====================================== | 0 | xx__-> [ 10.037827][ T227] ------------[ cut here ]------------ | [ 10.038225][ T227] WARNING: CPU: 3 PID: 227 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) | [ 10.038699][ T227] Modules linked in: netdevsim [ 10.039403][ T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.039678][ T227] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 10.039963][ T227] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03 All code ======== 0: 00 e8 add %ch,%al 2: a3 4a fe ff 48 8b 5c movabs %eax,0x58245c8b48fffe4a 9: 24 58 b: e9 87 fb ff ff jmp 0xfffffffffffffb97 10: 49 8d bf 98 0c 00 00 lea 0xc98(%r15),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 d8 33 78 00 call 0x7833f9 21: 85 c0 test %eax,%eax 23: 0f 85 99 00 00 00 jne 0xc2 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 34: fc ff df 37: 48 8b 54 24 20 mov 0x20(%rsp),%rdx 3c: 48 c1 ea 03 shr $0x3,%rdx Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax a: fc ff df d: 48 8b 54 24 20 mov 0x20(%rsp),%rdx 12: 48 c1 ea 03 shr $0x3,%rdx [ 10.040752][ T227] RSP: 0018:ffffc90000b47520 EFLAGS: 00010246 [ 10.041037][ T227] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 10.041380][ T227] RDX: 0000000000000000 RSI: ffff88800a7a2c98 RDI: ffff888009ea50f8 [ 10.041714][ T227] RBP: ffffffff95923440 R08: 0000000000000000 R09: fffffbfff26fd83c [ 10.042046][ T227] R10: ffffffff937ec1e7 R11: ffff888009ea45c0 R12: 0000000000000000 [ 10.042386][ T227] R13: ffff88800a7a2128 R14: ffff88800a7a2008 R15: ffff88800a7a2000 [ 10.042721][ T227] FS: 00007f8de23e2740(0000) GS:ffff888036180000(0000) knlGS:0000000000000000 [ 10.043109][ T227] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.043409][ T227] CR2: 000056128caeeb58 CR3: 00000000029b0006 CR4: 0000000000772ef0 [ 10.043743][ T227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 10.044102][ T227] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 10.044449][ T227] PKRU: 55555554 [ 10.044619][ T227] Call Trace: [ 10.044789][ T227] [ 10.044906][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 10.045145][ T227] ? __warn (kernel/panic.c:748) [ 10.045322][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 10.045547][ T227] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 10.045776][ T227] ? handle_bug (arch/x86/kernel/traps.c:285) [ 10.045947][ T227] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 10.046177][ T227] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 10.046414][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 10.046644][ T227] ? __pfx___netdev_update_features (net/core/dev.c:10559) [ 10.046922][ T227] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) [ 10.047158][ T227] ? netdev_register_kobject (net/core/net-sysfs.c:2344) [ 10.047412][ T227] register_netdevice (net/core/dev.c:11003) [ 10.047649][ T227] ? __pfx_register_netdevice (net/core/dev.c:10881) [ 10.047890][ T227] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim [ 10.048143][ T227] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim [ 10.048425][ T227] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) [ 10.048602][ T227] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim [ 10.048893][ T227] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) [ 10.049188][ T227] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim [ 10.049474][ T227] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim [ 10.049707][ T227] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim [ 10.049990][ T227] ? kernfs_create_link (fs/kernfs/symlink.c:48) [ 10.050224][ T227] ? kernfs_put (./arch/x86/include/asm/atomic.h:67 (discriminator 1) ./include/linux/atomic/atomic-arch-fallback.h:2278 (discriminator 1) ./include/linux/atomic/atomic-instrumented.h:1384 (discriminator 1) fs/kernfs/dir.c:557 (discriminator 1)) [ 10.050392][ T227] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) [ 10.050626][ T227] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) [ 10.050853][ T227] __driver_probe_device (drivers/base/dd.c:800) [ 10.051084][ T227] driver_probe_device (drivers/base/dd.c:830) [ 10.051316][ T227] __device_attach_driver (drivers/base/dd.c:959) [ 10.051545][ T227] ? __pfx___device_attach_driver (drivers/base/dd.c:922) [ 10.051829][ T227] bus_for_each_drv (drivers/base/bus.c:462) [ 10.052054][ T227] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) [ 10.052279][ T227] ? bus_to_subsys (drivers/base/bus.c:85) [ 10.052504][ T227] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 10.052732][ T227] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [ 10.052962][ T227] __device_attach (drivers/base/dd.c:1030) [ 10.053195][ T227] ? __pfx___device_attach (drivers/base/dd.c:1001) [ 10.053420][ T227] ? bus_to_subsys (drivers/base/bus.c:85) [ 10.053642][ T227] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 10.053870][ T227] bus_probe_device (drivers/base/bus.c:537) [ 10.054092][ T227] device_add (drivers/base/core.c:3672) [ 10.054336][ T227] ? __pfx_device_add (drivers/base/core.c:3548) [ 10.054555][ T227] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) [ 10.054787][ T227] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim [ 10.055072][ T227] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim [ 10.055372][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) [ 10.055593][ T227] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) [ 10.055819][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) [ 10.056042][ T227] kernfs_fop_write_iter (fs/kernfs/file.c:334) [ 10.056280][ T227] vfs_write (fs/read_write.c:586 fs/read_write.c:679) [ 10.056457][ T227] ? __pfx_vfs_write (fs/read_write.c:660) [ 10.056682][ T227] ? __lock_release (kernel/locking/lockdep.c:5527) [ 10.056899][ T227] ? do_user_addr_fault (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) [ 10.057140][ T227] ? __pfx___up_read (kernel/locking/rwsem.c:1337) [ 10.057370][ T227] ksys_write (fs/read_write.c:731) [ 10.057543][ T227] ? __pfx_ksys_write (fs/read_write.c:721) [ 10.057763][ T227] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) [ 10.057993][ T227] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 10.058229][ T227] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 10.058511][ T227] RIP: 0033:0x7f8de2523b77 [ 10.058746][ T227] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 All code ======== 0: 0b 00 or (%rax),%eax 2: f7 d8 neg %eax 4: 64 89 02 mov %eax,%fs:(%rdx) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b7 jmp 0xffffffffffffffc7 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 01 00 00 00 mov $0x1,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 48 89 54 24 18 mov %rdx,0x18(%rsp) 3c: 48 rex.W 3d: 89 .byte 0x89 3e: 74 24 je 0x64 Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 48 89 54 24 18 mov %rdx,0x18(%rsp) 12: 48 rex.W 13: 89 .byte 0x89 14: 74 24 je 0x3a [ 10.059524][ T227] RSP: 002b:00007ffefe4aba88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 10.059856][ T227] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8de2523b77 [ 10.060198][ T227] RDX: 0000000000000007 RSI: 000056128caedb50 RDI: 0000000000000001 [ 10.060532][ T227] RBP: 000056128caedb50 R08: 0000000000000003 R09: 0000000000000000 [ 10.060870][ T227] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000007 [ 10.061210][ T227] R13: 00007f8de25df760 R14: 0000000000000007 R15: 00007f8de25da9c0 | [ 10.122066][ T227] ------------[ cut here ]------------ | [ 10.122472][ T227] WARNING: CPU: 3 PID: 227 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) | [ 10.122923][ T227] Modules linked in: netdevsim | [ 10.123689][ T227] Tainted: [W]=WARN [ 10.123873][ T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.124171][ T227] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 10.124453][ T227] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03 All code ======== 0: 00 e8 add %ch,%al 2: a3 4a fe ff 48 8b 5c movabs %eax,0x58245c8b48fffe4a 9: 24 58 b: e9 87 fb ff ff jmp 0xfffffffffffffb97 10: 49 8d bf 98 0c 00 00 lea 0xc98(%r15),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 d8 33 78 00 call 0x7833f9 21: 85 c0 test %eax,%eax 23: 0f 85 99 00 00 00 jne 0xc2 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 34: fc ff df 37: 48 8b 54 24 20 mov 0x20(%rsp),%rdx 3c: 48 c1 ea 03 shr $0x3,%rdx Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax a: fc ff df d: 48 8b 54 24 20 mov 0x20(%rsp),%rdx 12: 48 c1 ea 03 shr $0x3,%rdx [ 10.125215][ T227] RSP: 0018:ffffc90000b47520 EFLAGS: 00010246 [ 10.125490][ T227] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 10.125816][ T227] RDX: 0000000000000000 RSI: ffff88800891ac98 RDI: ffff888009ea50f8 [ 10.126148][ T227] RBP: ffffffff95923440 R08: 0000000000000000 R09: fffffbfff26fd83c [ 10.126466][ T227] R10: ffffffff937ec1e7 R11: ffff888009ea45c0 R12: 0000000000000000 [ 10.126784][ T227] R13: ffff88800891a128 R14: ffff88800891a008 R15: ffff88800891a000 [ 10.127111][ T227] FS: 00007f8de23e2740(0000) GS:ffff888036180000(0000) knlGS:0000000000000000 [ 10.127502][ T227] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.127775][ T227] CR2: 000056128c976288 CR3: 00000000029b0006 CR4: 0000000000772ef0 [ 10.128104][ T227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 10.128445][ T227] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 10.128778][ T227] PKRU: 55555554 [ 10.128943][ T227] Call Trace: [ 10.129109][ T227] [ 10.129232][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 10.129455][ T227] ? __warn (kernel/panic.c:748) [ 10.129626][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 10.129866][ T227] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 10.130101][ T227] ? handle_bug (arch/x86/kernel/traps.c:285) [ 10.130280][ T227] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 10.130499][ T227] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 10.130733][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 10.130963][ T227] ? __pfx___netdev_update_features (net/core/dev.c:10559) [ 10.131256][ T227] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) [ 10.131482][ T227] ? netdev_register_kobject (net/core/net-sysfs.c:2344) [ 10.131713][ T227] register_netdevice (net/core/dev.c:11003) [ 10.131942][ T227] ? __pfx_register_netdevice (net/core/dev.c:10881) [ 10.132464][ T227] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim [ 10.132713][ T227] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim [ 10.132995][ T227] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) [ 10.133179][ T227] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim [ 10.133477][ T227] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) [ 10.133755][ T227] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim [ 10.134034][ T227] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim [ 10.134268][ T227] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim [ 10.134544][ T227] ? kernfs_create_link (fs/kernfs/symlink.c:48) [ 10.134766][ T227] ? kernfs_put (./arch/x86/include/asm/atomic.h:67 (discriminator 1) ./include/linux/atomic/atomic-arch-fallback.h:2278 (discriminator 1) ./include/linux/atomic/atomic-instrumented.h:1384 (discriminator 1) fs/kernfs/dir.c:557 (discriminator 1)) [ 10.134934][ T227] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) [ 10.135168][ T227] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) [ 10.135397][ T227] __driver_probe_device (drivers/base/dd.c:800) [ 10.135613][ T227] driver_probe_device (drivers/base/dd.c:830) [ 10.135833][ T227] __device_attach_driver (drivers/base/dd.c:959) [ 10.136057][ T227] ? __pfx___device_attach_driver (drivers/base/dd.c:922) [ 10.136341][ T227] bus_for_each_drv (drivers/base/bus.c:462) [ 10.136563][ T227] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) [ 10.136779][ T227] ? bus_to_subsys (drivers/base/bus.c:85) [ 10.136998][ T227] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 10.137223][ T227] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [ 10.137452][ T227] __device_attach (drivers/base/dd.c:1030) [ 10.137671][ T227] ? __pfx___device_attach (drivers/base/dd.c:1001) [ 10.137890][ T227] ? bus_to_subsys (drivers/base/bus.c:85) [ 10.138112][ T227] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 10.138353][ T227] bus_probe_device (drivers/base/bus.c:537) [ 10.138584][ T227] device_add (drivers/base/core.c:3672) [ 10.138808][ T227] ? __pfx_device_add (drivers/base/core.c:3548) [ 10.139024][ T227] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) [ 10.139271][ T227] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim [ 10.139554][ T227] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim [ 10.139852][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) [ 10.140074][ T227] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) [ 10.140310][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) [ 10.140525][ T227] kernfs_fop_write_iter (fs/kernfs/file.c:334) [ 10.140750][ T227] vfs_write (fs/read_write.c:586 fs/read_write.c:679) [ 10.140926][ T227] ? __pfx_vfs_write (fs/read_write.c:660) [ 10.141156][ T227] ? __lock_release (kernel/locking/lockdep.c:5527) [ 10.141376][ T227] ? do_user_addr_fault (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) [ 10.141604][ T227] ? __pfx___up_read (kernel/locking/rwsem.c:1337) [ 10.141834][ T227] ksys_write (fs/read_write.c:731) [ 10.142003][ T227] ? __pfx_ksys_write (fs/read_write.c:721) [ 10.142232][ T227] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) [ 10.142465][ T227] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 10.142690][ T227] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 10.142965][ T227] RIP: 0033:0x7f8de2523b77 [ 10.143210][ T227] Code: Unable to access opcode bytes at 0x7f8de2523b4d. Code starting with the faulting instruction =========================================== [ 10.143497][ T227] RSP: 002b:00007ffefe4abbb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 10.143825][ T227] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8de2523b77 [ 10.144163][ T227] RDX: 0000000000000007 RSI: 000056128caedb50 RDI: 0000000000000001 [ 10.144486][ T227] RBP: 000056128caedb50 R08: 0000000000000000 R09: 00007f8de25964e0 [ 10.144804][ T227] R10: 00007f8de25963e0 R11: 0000000000000246 R12: 0000000000000007 [ 10.145121][ T227] R13: 00007f8de25df760 R14: 0000000000000007 R15: 00007f8de25da9c0 | [ 10.215011][ T227] ------------[ cut here ]------------ | [ 10.215465][ T227] WARNING: CPU: 3 PID: 227 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) | [ 10.215949][ T227] Modules linked in: netdevsim | [ 10.216884][ T227] Tainted: [W]=WARN [ 10.217067][ T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.217377][ T227] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 10.217696][ T227] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03 All code ======== 0: 00 e8 add %ch,%al 2: a3 4a fe ff 48 8b 5c movabs %eax,0x58245c8b48fffe4a 9: 24 58 b: e9 87 fb ff ff jmp 0xfffffffffffffb97 10: 49 8d bf 98 0c 00 00 lea 0xc98(%r15),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 d8 33 78 00 call 0x7833f9 21: 85 c0 test %eax,%eax 23: 0f 85 99 00 00 00 jne 0xc2 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 34: fc ff df 37: 48 8b 54 24 20 mov 0x20(%rsp),%rdx 3c: 48 c1 ea 03 shr $0x3,%rdx Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax a: fc ff df d: 48 8b 54 24 20 mov 0x20(%rsp),%rdx 12: 48 c1 ea 03 shr $0x3,%rdx [ 10.218644][ T227] RSP: 0018:ffffc90000b47520 EFLAGS: 00010246 [ 10.218955][ T227] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 10.219324][ T227] RDX: 0000000000000000 RSI: ffff888009b4ac98 RDI: ffff888009ea50f8 [ 10.219678][ T227] RBP: ffffffff95923440 R08: 0000000000000000 R09: fffffbfff26fd83c [ 10.220039][ T227] R10: ffffffff937ec1e7 R11: ffff888009ea45c0 R12: 0000000000000000 [ 10.220427][ T227] R13: ffff888009b4a128 R14: ffff888009b4a008 R15: ffff888009b4a000 [ 10.220783][ T227] FS: 00007f8de23e2740(0000) GS:ffff888036180000(0000) knlGS:0000000000000000 [ 10.221204][ T227] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.221503][ T227] CR2: 00007f8de2467440 CR3: 00000000029b0006 CR4: 0000000000772ef0 [ 10.221864][ T227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 10.222234][ T227] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 10.222587][ T227] PKRU: 55555554 [ 10.222768][ T227] Call Trace: [ 10.222947][ T227] [ 10.223069][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 10.223320][ T227] ? __warn (kernel/panic.c:748) [ 10.223504][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 10.223749][ T227] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 10.223987][ T227] ? handle_bug (arch/x86/kernel/traps.c:285) [ 10.224182][ T227] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 10.224423][ T227] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 10.224674][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 10.224921][ T227] ? __pfx___netdev_update_features (net/core/dev.c:10559) [ 10.225229][ T227] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) [ 10.225480][ T227] ? netdev_register_kobject (net/core/net-sysfs.c:2344) [ 10.225719][ T227] register_netdevice (net/core/dev.c:11003) [ 10.225960][ T227] ? __pfx_register_netdevice (net/core/dev.c:10881) [ 10.226213][ T227] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim [ 10.226468][ T227] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim [ 10.226764][ T227] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) [ 10.226948][ T227] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim [ 10.227272][ T227] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) [ 10.227569][ T227] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim [ 10.227870][ T227] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim [ 10.228116][ T227] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim [ 10.228418][ T227] ? kernfs_create_link (fs/kernfs/symlink.c:48) [ 10.228673][ T227] ? kernfs_put (./arch/x86/include/asm/atomic.h:67 (discriminator 1) ./include/linux/atomic/atomic-arch-fallback.h:2278 (discriminator 1) ./include/linux/atomic/atomic-instrumented.h:1384 (discriminator 1) fs/kernfs/dir.c:557 (discriminator 1)) [ 10.228874][ T227] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) [ 10.229121][ T227] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) [ 10.229374][ T227] __driver_probe_device (drivers/base/dd.c:800) [ 10.229610][ T227] driver_probe_device (drivers/base/dd.c:830) [ 10.229844][ T227] __device_attach_driver (drivers/base/dd.c:959) [ 10.230082][ T227] ? __pfx___device_attach_driver (drivers/base/dd.c:922) [ 10.230382][ T227] bus_for_each_drv (drivers/base/bus.c:462) [ 10.230622][ T227] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) [ 10.230864][ T227] ? bus_to_subsys (drivers/base/bus.c:85) [ 10.231105][ T227] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 10.231351][ T227] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [ 10.231597][ T227] __device_attach (drivers/base/dd.c:1030) [ 10.231833][ T227] ? __pfx___device_attach (drivers/base/dd.c:1001) [ 10.232063][ T227] ? bus_to_subsys (drivers/base/bus.c:85) [ 10.232308][ T227] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 10.232559][ T227] bus_probe_device (drivers/base/bus.c:537) [ 10.232798][ T227] device_add (drivers/base/core.c:3672) [ 10.233040][ T227] ? __pfx_device_add (drivers/base/core.c:3548) [ 10.233283][ T227] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) [ 10.233538][ T227] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim [ 10.233839][ T227] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim [ 10.234152][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) [ 10.234396][ T227] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) [ 10.234639][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) [ 10.234875][ T227] kernfs_fop_write_iter (fs/kernfs/file.c:334) [ 10.235134][ T227] vfs_write (fs/read_write.c:586 fs/read_write.c:679) [ 10.235322][ T227] ? __pfx_vfs_write (fs/read_write.c:660) [ 10.235563][ T227] ? __lock_release (kernel/locking/lockdep.c:5527) [ 10.235800][ T227] ? do_user_addr_fault (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) [ 10.236053][ T227] ? __pfx___up_read (kernel/locking/rwsem.c:1337) [ 10.236314][ T227] ksys_write (fs/read_write.c:731) [ 10.236500][ T227] ? __pfx_ksys_write (fs/read_write.c:721) [ 10.236733][ T227] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) [ 10.236985][ T227] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 10.237233][ T227] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 10.237526][ T227] RIP: 0033:0x7f8de2523b77 [ 10.237777][ T227] Code: Unable to access opcode bytes at 0x7f8de2523b4d. Code starting with the faulting instruction =========================================== [ 10.238072][ T227] RSP: 002b:00007ffefe4abce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 10.238430][ T227] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8de2523b77 [ 10.238787][ T227] RDX: 0000000000000007 RSI: 000056128caedb50 RDI: 0000000000000001 [ 10.239136][ T227] RBP: 000056128caedb50 R08: 0000000000000000 R09: 00007f8de25964e0 [ 10.239492][ T227] R10: 00007f8de25963e0 R11: 0000000000000246 R12: 0000000000000007 [ 10.239855][ T227] R13: 00007f8de25df760 R14: 0000000000000007 R15: 00007f8de25da9c0 | [ 10.660582][ T271] ------------[ cut here ]------------ | [ 10.661030][ T271] WARNING: CPU: 1 PID: 271 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) | [ 10.661512][ T271] Modules linked in: netdevsim | [ 10.662197][ T271] Tainted: [W]=WARN [ 10.662378][ T271] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.662652][ T271] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 10.662952][ T271] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03 All code ======== 0: 00 e8 add %ch,%al 2: a3 4a fe ff 48 8b 5c movabs %eax,0x58245c8b48fffe4a 9: 24 58 b: e9 87 fb ff ff jmp 0xfffffffffffffb97 10: 49 8d bf 98 0c 00 00 lea 0xc98(%r15),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 d8 33 78 00 call 0x7833f9 21: 85 c0 test %eax,%eax 23: 0f 85 99 00 00 00 jne 0xc2 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 34: fc ff df 37: 48 8b 54 24 20 mov 0x20(%rsp),%rdx 3c: 48 c1 ea 03 shr $0x3,%rdx Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax a: fc ff df d: 48 8b 54 24 20 mov 0x20(%rsp),%rdx 12: 48 c1 ea 03 shr $0x3,%rdx [ 10.663793][ T271] RSP: 0018:ffffc900005771e8 EFLAGS: 00010246 [ 10.664120][ T271] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 10.664508][ T271] RDX: 0000000000000000 RSI: ffff88800b692c98 RDI: ffff88801448d080 [ 10.664886][ T271] RBP: ffff888014440040 R08: 0000000000000000 R09: fffffbfff26fd83c [ 10.665276][ T271] R10: ffffffff937ec1e7 R11: ffff88801448c5c0 R12: 0000000000000000 [ 10.665635][ T271] R13: ffff88800b692128 R14: ffff88800b692008 R15: ffff88800b692000 [ 10.665997][ T271] FS: 00007f26b39f9800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000 [ 10.666434][ T271] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.666742][ T271] CR2: 00007f26b3b38440 CR3: 0000000009f3c001 CR4: 0000000000772ef0 [ 10.667080][ T271] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 10.667590][ T271] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 10.667948][ T271] PKRU: 55555554 [ 10.668132][ T271] Call Trace: [ 10.668303][ T271] [ 10.668418][ T271] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 10.668663][ T271] ? __warn (kernel/panic.c:748) [ 10.668836][ T271] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 10.669062][ T271] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 10.669304][ T271] ? handle_bug (arch/x86/kernel/traps.c:285) [ 10.669461][ T271] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 10.669684][ T271] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 10.669901][ T271] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 10.670148][ T271] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) [ 10.670403][ T271] ? __pfx___netdev_update_features (net/core/dev.c:10559) [ 10.670647][ T271] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) [ 10.670863][ T271] ? netdev_register_kobject (net/core/net-sysfs.c:2344) [ 10.671089][ T271] register_netdevice (net/core/dev.c:11003) [ 10.671319][ T271] ? __pfx_register_netdevice (net/core/dev.c:10881) [ 10.671554][ T271] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim [ 10.671796][ T271] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim [ 10.672112][ T271] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim [ 10.672455][ T271] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim [ 10.672777][ T271] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim [ 10.673094][ T271] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim [ 10.673423][ T271] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) [ 10.673723][ T271] devlink_reload (net/devlink/dev.c:474) [ 10.673956][ T271] ? __pfx_devlink_reload (net/devlink/dev.c:446) [ 10.674209][ T271] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 10.674541][ T271] ? cap_capable (security/commoncap.c:131) [ 10.674773][ T271] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) [ 10.674969][ T271] devlink_nl_reload_doit (net/devlink/dev.c:584) [ 10.675193][ T271] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) [ 10.675467][ T271] ? __nla_parse (lib/nlattr.c:732) [ 10.675714][ T271] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) [ 10.675941][ T271] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) [ 10.676248][ T271] ? cap_capable (security/commoncap.c:131) [ 10.676461][ T271] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) [ 10.676676][ T271] genl_family_rcv_msg (net/netlink/genetlink.c:1195) [ 10.676900][ T271] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) [ 10.677112][ T271] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) [ 10.677385][ T271] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) [ 10.677648][ T271] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) [ 10.677935][ T271] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) [ 10.678170][ T271] netlink_rcv_skb (net/netlink/af_netlink.c:2534) [ 10.678412][ T271] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) [ 10.678626][ T271] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) [ 10.678858][ T271] ? genl_rcv (net/netlink/genetlink.c:1219) [ 10.679031][ T271] ? __pfx_down_read (kernel/locking/rwsem.c:1522) [ 10.679252][ T271] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 10.679476][ T271] genl_rcv (net/netlink/genetlink.c:1220) [ 10.679643][ T271] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) [ 10.679878][ T271] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) [ 10.680136][ T271] ? find_held_lock (kernel/locking/lockdep.c:5341) [ 10.680391][ T271] netlink_sendmsg (net/netlink/af_netlink.c:1883) [ 10.680644][ T271] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) [ 10.680888][ T271] ? lock_acquire (kernel/locking/lockdep.c:5824) [ 10.681146][ T271] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) [ 10.681412][ T271] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) [ 10.681645][ T271] ? __pfx___sys_sendto (net/socket.c:2145) [ 10.681867][ T271] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 10.682083][ T271] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) [ 10.682339][ T271] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) [ 10.682581][ T271] ? __rseq_handle_notify_resume (kernel/rseq.c:420) [ 10.682888][ T271] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) [ 10.683177][ T271] ? __pfx___x64_sys_openat (fs/open.c:1454) [ 10.683405][ T271] __x64_sys_sendto (net/socket.c:2181) [ 10.683630][ T271] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) [ 10.683911][ T271] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 10.684151][ T271] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 10.684435][ T271] RIP: 0033:0x7f26b3c05a4a [ 10.684639][ T271] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89 All code ======== 0: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 4: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax b: eb b8 jmp 0xffffffffffffffc5 d: 0f 1f 00 nopl (%rax) 10: f3 0f 1e fa endbr64 14: 41 89 ca mov %ecx,%r10d 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 15 jne 0x38 23: b8 2c 00 00 00 mov $0x2c,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 7e ja 0xb0 32: c3 ret 33: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 38: 41 54 push %r12 3a: 48 83 ec 30 sub $0x30,%rsp 3e: 44 rex.R 3f: 89 .byte 0x89 Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 7e ja 0x86 8: c3 ret 9: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) e: 41 54 push %r12 10: 48 83 ec 30 sub $0x30,%rsp 14: 44 rex.R 15: 89 .byte 0x89 [ 10.685400][ T271] RSP: 002b:00007ffe1e7710e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 10.685729][ T271] RAX: ffffffffffffffda RBX: 000000001683eb00 RCX: 00007f26b3c05a4a [ 10.686026][ T271] RDX: 0000000000000040 RSI: 000000001683eb00 RDI: 0000000000000005 [ 10.686405][ T271] RBP: 000000001683e910 R08: 00007f26b3da9200 R09: 000000000000000c [ 10.686704][ T271] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200 [ 10.687016][ T271] R13: 000000001683e910 R14: 0000000000000000 R15: 0000000000000001 | [ 10.857616][ T276] ------------[ cut here ]------------ | [ 10.858008][ T276] WARNING: CPU: 1 PID: 276 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) | [ 10.858522][ T276] Modules linked in: netdevsim | [ 10.859062][ T276] Tainted: [W]=WARN [ 10.859222][ T276] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.859459][ T276] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 10.859711][ T276] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03 All code ======== 0: 00 e8 add %ch,%al 2: a3 4a fe ff 48 8b 5c movabs %eax,0x58245c8b48fffe4a 9: 24 58 b: e9 87 fb ff ff jmp 0xfffffffffffffb97 10: 49 8d bf 98 0c 00 00 lea 0xc98(%r15),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 d8 33 78 00 call 0x7833f9 21: 85 c0 test %eax,%eax 23: 0f 85 99 00 00 00 jne 0xc2 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 34: fc ff df 37: 48 8b 54 24 20 mov 0x20(%rsp),%rdx 3c: 48 c1 ea 03 shr $0x3,%rdx Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax a: fc ff df d: 48 8b 54 24 20 mov 0x20(%rsp),%rdx 12: 48 c1 ea 03 shr $0x3,%rdx [ 10.860415][ T276] RSP: 0018:ffffc900005871e8 EFLAGS: 00010246 [ 10.860652][ T276] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 10.860933][ T276] RDX: 0000000000000000 RSI: ffff88800b4aac98 RDI: ffff8880027b5080 [ 10.861230][ T276] RBP: ffff888014440040 R08: 0000000000000000 R09: fffffbfff26fd83c [ 10.861524][ T276] R10: ffffffff937ec1e7 R11: ffff8880027b45c0 R12: 0000000000000000 [ 10.861802][ T276] R13: ffff88800b4aa128 R14: ffff88800b4aa008 R15: ffff88800b4aa000 [ 10.862090][ T276] FS: 00007fb7d3dcb800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000 [ 10.862437][ T276] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.862682][ T276] CR2: 000056125ac14990 CR3: 0000000002060005 CR4: 0000000000772ef0 [ 10.862973][ T276] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 10.863272][ T276] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 10.863553][ T276] PKRU: 55555554 [ 10.863695][ T276] Call Trace: [ 10.863838][ T276] [ 10.863935][ T276] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 10.864136][ T276] ? __warn (kernel/panic.c:748) [ 10.864284][ T276] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 10.864478][ T276] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 10.864687][ T276] ? handle_bug (arch/x86/kernel/traps.c:285) [ 10.864833][ T276] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 10.865025][ T276] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 10.865238][ T276] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 10.865427][ T276] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) [ 10.865619][ T276] ? __pfx___netdev_update_features (net/core/dev.c:10559) [ 10.865868][ T276] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) [ 10.866070][ T276] ? netdev_register_kobject (net/core/net-sysfs.c:2344) [ 10.866277][ T276] register_netdevice (net/core/dev.c:11003) [ 10.866485][ T276] ? __pfx_register_netdevice (net/core/dev.c:10881) [ 10.866698][ T276] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim [ 10.866948][ T276] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim [ 10.867208][ T276] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim [ 10.867465][ T276] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim [ 10.867724][ T276] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim [ 10.867967][ T276] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim [ 10.868223][ T276] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) [ 10.868498][ T276] devlink_reload (net/devlink/dev.c:474) [ 10.868698][ T276] ? __pfx_devlink_reload (net/devlink/dev.c:446) [ 10.868883][ T276] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 10.869096][ T276] ? cap_capable (security/commoncap.c:131) [ 10.869303][ T276] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) [ 10.869463][ T276] devlink_nl_reload_doit (net/devlink/dev.c:584) [ 10.869662][ T276] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) [ 10.869911][ T276] ? __nla_parse (lib/nlattr.c:732) [ 10.870109][ T276] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) [ 10.870315][ T276] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) [ 10.870564][ T276] ? cap_capable (security/commoncap.c:131) [ 10.870750][ T276] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) [ 10.870944][ T276] genl_family_rcv_msg (net/netlink/genetlink.c:1195) [ 10.871163][ T276] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) [ 10.871378][ T276] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) [ 10.871619][ T276] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) [ 10.871852][ T276] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) [ 10.872097][ T276] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) [ 10.872309][ T276] netlink_rcv_skb (net/netlink/af_netlink.c:2534) [ 10.872511][ T276] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) [ 10.872703][ T276] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) [ 10.872914][ T276] ? genl_rcv (net/netlink/genetlink.c:1219) [ 10.873056][ T276] ? __pfx_down_read (kernel/locking/rwsem.c:1522) [ 10.873271][ T276] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 10.873467][ T276] genl_rcv (net/netlink/genetlink.c:1220) [ 10.873608][ T276] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) [ 10.873813][ T276] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) [ 10.874010][ T276] ? find_held_lock (kernel/locking/lockdep.c:5341) [ 10.874219][ T276] netlink_sendmsg (net/netlink/af_netlink.c:1883) [ 10.874422][ T276] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) [ 10.874611][ T276] ? lock_acquire (kernel/locking/lockdep.c:5824) [ 10.874810][ T276] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) [ 10.875007][ T276] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) [ 10.875221][ T276] ? __pfx___sys_sendto (net/socket.c:2145) [ 10.875409][ T276] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [ 10.875609][ T276] ? clockevents_program_event (kernel/time/clockevents.c:326) [ 10.875808][ T276] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) [ 10.876055][ T276] ? hrtimer_interrupt (kernel/time/hrtimer.c:1940) [ 10.876266][ T276] __x64_sys_sendto (net/socket.c:2181) [ 10.876465][ T276] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) [ 10.876705][ T276] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 10.876906][ T276] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 10.877154][ T276] RIP: 0033:0x7fb7d3fd7a4a [ 10.877349][ T276] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89 All code ======== 0: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 4: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax b: eb b8 jmp 0xffffffffffffffc5 d: 0f 1f 00 nopl (%rax) 10: f3 0f 1e fa endbr64 14: 41 89 ca mov %ecx,%r10d 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 15 jne 0x38 23: b8 2c 00 00 00 mov $0x2c,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 7e ja 0xb0 32: c3 ret 33: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 38: 41 54 push %r12 3a: 48 83 ec 30 sub $0x30,%rsp 3e: 44 rex.R 3f: 89 .byte 0x89 Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 7e ja 0x86 8: c3 ret 9: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) e: 41 54 push %r12 10: 48 83 ec 30 sub $0x30,%rsp 14: 44 rex.R 15: 89 .byte 0x89 [ 10.878006][ T276] RSP: 002b:00007ffca490cb38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 10.878317][ T276] RAX: ffffffffffffffda RBX: 000000000a928b00 RCX: 00007fb7d3fd7a4a [ 10.878616][ T276] RDX: 0000000000000040 RSI: 000000000a928b00 RDI: 0000000000000005 [ 10.878909][ T276] RBP: 000000000a928910 R08: 00007fb7d417b200 R09: 000000000000000c [ 10.879195][ T276] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200 [ 10.879476][ T276] R13: 000000000a928910 R14: 0000000000000000 R15: 0000000000000001 | [ 11.062505][ T281] ------------[ cut here ]------------ | [ 11.062921][ T281] WARNING: CPU: 2 PID: 281 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) | [ 11.063358][ T281] Modules linked in: netdevsim | [ 11.063940][ T281] Tainted: [W]=WARN [ 11.064094][ T281] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.064384][ T281] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 11.064654][ T281] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03 All code ======== 0: 00 e8 add %ch,%al 2: a3 4a fe ff 48 8b 5c movabs %eax,0x58245c8b48fffe4a 9: 24 58 b: e9 87 fb ff ff jmp 0xfffffffffffffb97 10: 49 8d bf 98 0c 00 00 lea 0xc98(%r15),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 d8 33 78 00 call 0x7833f9 21: 85 c0 test %eax,%eax 23: 0f 85 99 00 00 00 jne 0xc2 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 34: fc ff df 37: 48 8b 54 24 20 mov 0x20(%rsp),%rdx 3c: 48 c1 ea 03 shr $0x3,%rdx Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax a: fc ff df d: 48 8b 54 24 20 mov 0x20(%rsp),%rdx 12: 48 c1 ea 03 shr $0x3,%rdx [ 11.065341][ T281] RSP: 0018:ffffc900005b71e8 EFLAGS: 00010246 [ 11.065682][ T281] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 11.065985][ T281] RDX: 0000000000000000 RSI: ffff8880128aac98 RDI: ffff8880026e2dc0 [ 11.066308][ T281] RBP: ffff888014440040 R08: 0000000000000000 R09: fffffbfff26fd83c [ 11.066613][ T281] R10: ffffffff937ec1e7 R11: ffff8880026e2300 R12: 0000000000000000 [ 11.066909][ T281] R13: ffff8880128aa128 R14: ffff8880128aa008 R15: ffff8880128aa000 [ 11.067219][ T281] FS: 00007f2a56064800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 11.067563][ T281] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 11.067821][ T281] CR2: 00007f49b572b7d0 CR3: 000000000b128005 CR4: 0000000000772ef0 [ 11.068121][ T281] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 11.068445][ T281] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 11.068761][ T281] PKRU: 55555554 [ 11.068914][ T281] Call Trace: [ 11.069075][ T281] [ 11.069202][ T281] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 11.069411][ T281] ? __warn (kernel/panic.c:748) [ 11.069578][ T281] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 11.069792][ T281] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 11.070010][ T281] ? handle_bug (arch/x86/kernel/traps.c:285) [ 11.070188][ T281] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 11.070401][ T281] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 11.070628][ T281] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 11.070835][ T281] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) [ 11.071040][ T281] ? __pfx___netdev_update_features (net/core/dev.c:10559) [ 11.071329][ T281] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) [ 11.071546][ T281] ? netdev_register_kobject (net/core/net-sysfs.c:2344) [ 11.071756][ T281] register_netdevice (net/core/dev.c:11003) [ 11.071964][ T281] ? __pfx_register_netdevice (net/core/dev.c:10881) [ 11.072199][ T281] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim [ 11.072431][ T281] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim [ 11.072702][ T281] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim [ 11.072970][ T281] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim [ 11.073253][ T281] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim [ 11.073514][ T281] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim [ 11.073767][ T281] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) [ 11.074034][ T281] devlink_reload (net/devlink/dev.c:474) [ 11.074266][ T281] ? __pfx_devlink_reload (net/devlink/dev.c:446) [ 11.074473][ T281] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 11.074688][ T281] ? cap_capable (security/commoncap.c:131) [ 11.074901][ T281] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) [ 11.075069][ T281] devlink_nl_reload_doit (net/devlink/dev.c:584) [ 11.075288][ T281] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) [ 11.075537][ T281] ? __nla_parse (lib/nlattr.c:732) [ 11.075745][ T281] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) [ 11.075950][ T281] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) [ 11.076228][ T281] ? cap_capable (security/commoncap.c:131) [ 11.076437][ T281] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) [ 11.076657][ T281] genl_family_rcv_msg (net/netlink/genetlink.c:1195) [ 11.076866][ T281] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) [ 11.077076][ T281] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) [ 11.077334][ T281] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) [ 11.077577][ T281] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) [ 11.077845][ T281] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) [ 11.078061][ T281] netlink_rcv_skb (net/netlink/af_netlink.c:2534) [ 11.078284][ T281] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) [ 11.078508][ T281] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) [ 11.078741][ T281] ? genl_rcv (net/netlink/genetlink.c:1219) [ 11.078904][ T281] ? __pfx_down_read (kernel/locking/rwsem.c:1522) [ 11.079109][ T281] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 11.079339][ T281] genl_rcv (net/netlink/genetlink.c:1220) [ 11.079510][ T281] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) [ 11.079717][ T281] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) [ 11.079918][ T281] ? find_held_lock (kernel/locking/lockdep.c:5341) [ 11.080137][ T281] netlink_sendmsg (net/netlink/af_netlink.c:1883) [ 11.080370][ T281] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) [ 11.080573][ T281] ? lock_acquire (kernel/locking/lockdep.c:5824) [ 11.080779][ T281] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) [ 11.080986][ T281] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) [ 11.081239][ T281] ? __pfx___sys_sendto (net/socket.c:2145) [ 11.081438][ T281] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 11.081644][ T281] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) [ 11.081864][ T281] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) [ 11.082086][ T281] ? __rseq_handle_notify_resume (kernel/rseq.c:420) [ 11.082355][ T281] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) [ 11.082561][ T281] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) [ 11.082826][ T281] ? __pfx___x64_sys_openat (fs/open.c:1454) [ 11.083035][ T281] __x64_sys_sendto (net/socket.c:2181) [ 11.083250][ T281] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) [ 11.083500][ T281] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 11.083722][ T281] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 11.083975][ T281] RIP: 0033:0x7f2a56270a4a [ 11.084196][ T281] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89 All code ======== 0: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 4: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax b: eb b8 jmp 0xffffffffffffffc5 d: 0f 1f 00 nopl (%rax) 10: f3 0f 1e fa endbr64 14: 41 89 ca mov %ecx,%r10d 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 15 jne 0x38 23: b8 2c 00 00 00 mov $0x2c,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 7e ja 0xb0 32: c3 ret 33: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 38: 41 54 push %r12 3a: 48 83 ec 30 sub $0x30,%rsp 3e: 44 rex.R 3f: 89 .byte 0x89 Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 7e ja 0x86 8: c3 ret 9: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) e: 41 54 push %r12 10: 48 83 ec 30 sub $0x30,%rsp 14: 44 rex.R 15: 89 .byte 0x89 [ 11.084918][ T281] RSP: 002b:00007fff590ddc18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 11.085232][ T281] RAX: ffffffffffffffda RBX: 000000002437bb00 RCX: 00007f2a56270a4a [ 11.085530][ T281] RDX: 0000000000000040 RSI: 000000002437bb00 RDI: 0000000000000005 [ 11.085819][ T281] RBP: 000000002437b910 R08: 00007f2a56414200 R09: 000000000000000c [ 11.086121][ T281] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200 [ 11.086435][ T281] R13: 000000002437b910 R14: 0000000000000000 R15: 0000000000000001 | [ 32.009107][ T11] ------------[ cut here ]------------ | [ 32.009436][ T11] WARNING: CPU: 0 PID: 11 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) | [ 32.009813][ T11] Modules linked in: netdevsim | [ 32.010391][ T11] Tainted: [W]=WARN [ 32.010538][ T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.010767][ T11] Workqueue: netns cleanup_net [ 32.010981][ T11] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 32.011230][ T11] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03 All code ======== 0: 00 e8 add %ch,%al 2: a3 4a fe ff 48 8b 5c movabs %eax,0x58245c8b48fffe4a 9: 24 58 b: e9 87 fb ff ff jmp 0xfffffffffffffb97 10: 49 8d bf 98 0c 00 00 lea 0xc98(%r15),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 d8 33 78 00 call 0x7833f9 21: 85 c0 test %eax,%eax 23: 0f 85 99 00 00 00 jne 0xc2 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 34: fc ff df 37: 48 8b 54 24 20 mov 0x20(%rsp),%rdx 3c: 48 c1 ea 03 shr $0x3,%rdx Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax a: fc ff df d: 48 8b 54 24 20 mov 0x20(%rsp),%rdx 12: 48 c1 ea 03 shr $0x3,%rdx [ 32.011876][ T11] RSP: 0000:ffffc900000b7620 EFLAGS: 00010246 [ 32.012113][ T11] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 32.012400][ T11] RDX: 0000000000000000 RSI: ffff88800b332c98 RDI: ffff888001a82e10 [ 32.012674][ T11] RBP: ffffffff95923440 R08: 0000000000000000 R09: fffffbfff26fd83c [ 32.012948][ T11] R10: ffffffff937ec1e7 R11: ffff888001a82300 R12: 0000000000000000 [ 32.013240][ T11] R13: ffff88800b332128 R14: ffff88800b332008 R15: ffff88800b332000 [ 32.013521][ T11] FS: 0000000000000000(0000) GS:ffff888036000000(0000) knlGS:0000000000000000 [ 32.013846][ T11] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.014083][ T11] CR2: 00007fa791d961b4 CR3: 000000000f528006 CR4: 0000000000772ef0 [ 32.014461][ T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 32.014739][ T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 32.015015][ T11] PKRU: 55555554 [ 32.015165][ T11] Call Trace: [ 32.015306][ T11] [ 32.015401][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 32.015597][ T11] ? __warn (kernel/panic.c:748) [ 32.015742][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 32.015930][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 32.016137][ T11] ? handle_bug (arch/x86/kernel/traps.c:285) [ 32.016284][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 32.016470][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 32.016677][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 32.016876][ T11] ? __pfx___netdev_update_features (net/core/dev.c:10559) [ 32.017114][ T11] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) [ 32.017316][ T11] ? netdev_register_kobject (net/core/net-sysfs.c:2344) [ 32.017512][ T11] register_netdevice (net/core/dev.c:11003) [ 32.017713][ T11] ? __pfx_register_netdevice (net/core/dev.c:10881) [ 32.017911][ T11] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim [ 32.018120][ T11] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim [ 32.018388][ T11] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim [ 32.018643][ T11] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim [ 32.018891][ T11] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim [ 32.019145][ T11] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim [ 32.019387][ T11] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) [ 32.019638][ T11] devlink_reload (net/devlink/dev.c:474) [ 32.019840][ T11] ? __pfx_devlink_reload (net/devlink/dev.c:446) [ 32.020030][ T11] ? devlinks_xa_find_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/devlink/core.c:343) [ 32.020239][ T11] devlink_pernet_pre_exit (net/devlink/core.c:288 net/devlink/devl_internal.h:114 net/devlink/core.c:513) [ 32.020434][ T11] ? __pfx_devlink_pernet_pre_exit (net/devlink/core.c:496) [ 32.020681][ T11] cleanup_net (net/core/net_namespace.c:162 net/core/net_namespace.c:632) [ 32.020871][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [ 32.021067][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:594) [ 32.021264][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) [ 32.021458][ T11] ? lock_acquire (kernel/locking/lockdep.c:5824) [ 32.021643][ T11] ? process_one_work (kernel/workqueue.c:3214) [ 32.021841][ T11] process_one_work (kernel/workqueue.c:3238) [ 32.022038][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 32.022238][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3140) [ 32.022437][ T11] ? assign_work (kernel/workqueue.c:1200) [ 32.022631][ T11] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) [ 32.022830][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3346) [ 32.023023][ T11] kthread (kernel/kthread.c:464) [ 32.023181][ T11] ? __pfx_kthread (kernel/kthread.c:413) [ 32.023381][ T11] ? __pfx_kthread (kernel/kthread.c:413) [ 32.023573][ T11] ret_from_fork (arch/x86/kernel/process.c:148) [ 32.023765][ T11] ? __pfx_kthread (kernel/kthread.c:413) Finger prints: __netdev_update_features:register_netdevice:nsim_create:__nsim_dev_port_add:nsim_dev_reload_create __netdev_update_features:register_netdevice:nsim_create:__nsim_dev_port_add:nsim_dev_port_add_all