====================================== | [ 11.551728][ T230] netconsole: network logging started | [ 12.393896][ T218] ------------[ cut here ]------------ | [ 12.394376][ T218] WARNING: CPU: 1 PID: 218 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) | [ 12.394923][ T218] Modules linked in: netconsole netdevsim [ 12.395599][ T218] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.395886][ T218] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 12.396211][ T218] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 90 0c 00 00 be ff ff ff ff e8 08 e9 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 90 0c 00 00 lea 0xc90(%r15),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 08 e9 78 00 call 0x78e929 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 [ 12.397086][ T218] RSP: 0018:ffffc90000ae7548 EFLAGS: 00010246 [ 12.397413][ T218] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 12.397745][ T218] RDX: 0000000000000000 RSI: ffff88800e4bac90 RDI: ffff88800bd62e38 [ 12.398085][ T218] RBP: ffffffffb0f28600 R08: 0000000000000000 R09: fffffbfff5dbd944 [ 12.398418][ T218] R10: ffffffffaedeca27 R11: ffff88800bd62300 R12: 0000000000000000 [ 12.398756][ T218] R13: ffff88800e4ba128 R14: ffff88800e4ba008 R15: ffff88800e4ba000 [ 12.399086][ T218] FS: 00007f9d9c33d740(0000) GS:ffff88802f480000(0000) knlGS:0000000000000000 [ 12.399479][ T218] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 12.399752][ T218] CR2: 00007f06a1233960 CR3: 00000000092a0006 CR4: 0000000000772ef0 [ 12.400085][ T218] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 12.400424][ T218] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 12.400911][ T218] PKRU: 55555554 [ 12.401083][ T218] Call Trace: [ 12.401262][ T218] [ 12.401383][ T218] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 12.401619][ T218] ? __warn (kernel/panic.c:748) [ 12.401794][ T218] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 12.402013][ T218] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 12.402247][ T218] ? handle_bug (arch/x86/kernel/traps.c:285) [ 12.402415][ T218] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 12.402633][ T218] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 12.402867][ T218] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 12.403083][ T218] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) [ 12.403322][ T218] ? __pfx___netdev_update_features (net/core/dev.c:10559) [ 12.403606][ T218] ? _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) [ 12.403834][ T218] ? netdev_register_kobject (net/core/net-sysfs.c:2344) [ 12.404062][ T218] register_netdevice (net/core/dev.c:11003) [ 12.404313][ T218] ? __pfx_register_netdevice (net/core/dev.c:10881) [ 12.404558][ T218] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim [ 12.404809][ T218] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim [ 12.405092][ T218] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim [ 12.405391][ T218] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim [ 12.405676][ T218] nsim_drv_probe (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1607) netdevsim [ 12.405913][ T218] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim [ 12.406186][ T218] ? kernfs_create_link (fs/kernfs/symlink.c:48) [ 12.406420][ T218] ? 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)) [ 12.406586][ T218] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) [ 12.406810][ T218] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) [ 12.407033][ T218] __driver_probe_device (drivers/base/dd.c:800) [ 12.407263][ T218] driver_probe_device (drivers/base/dd.c:830) [ 12.407493][ T218] __device_attach_driver (drivers/base/dd.c:959) [ 12.407743][ T218] ? __pfx___device_attach_driver (drivers/base/dd.c:922) [ 12.408036][ T218] bus_for_each_drv (drivers/base/bus.c:462) [ 12.408312][ T218] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) [ 12.408584][ T218] ? bus_to_subsys (drivers/base/bus.c:85) [ 12.408801][ T218] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 12.409031][ T218] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [ 12.409289][ T218] __device_attach (drivers/base/dd.c:1030) [ 12.409512][ T218] ? __pfx___device_attach (drivers/base/dd.c:1001) [ 12.409730][ T218] ? bus_to_subsys (drivers/base/bus.c:85) [ 12.409951][ T218] ? 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) [ 12.410183][ T218] bus_probe_device (drivers/base/bus.c:537) [ 12.410459][ T218] device_add (drivers/base/core.c:3672) [ 12.410715][ T218] ? __pfx_device_add (drivers/base/core.c:3548) [ 12.410990][ T218] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) [ 12.411272][ T218] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim [ 12.411607][ T218] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim [ 12.411942][ T218] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) [ 12.412196][ T218] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) [ 12.412481][ T218] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) [ 12.412769][ T218] kernfs_fop_write_iter (fs/kernfs/file.c:334) [ 12.413078][ T218] vfs_write (fs/read_write.c:586 fs/read_write.c:679) [ 12.413323][ T218] ? __pfx_vfs_write (fs/read_write.c:660) [ 12.413619][ T218] ? __lock_release (kernel/locking/lockdep.c:5527) [ 12.413890][ T218] ? 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) [ 12.414182][ T218] ? __pfx___up_read (kernel/locking/rwsem.c:1337) [ 12.414480][ T218] ksys_write (fs/read_write.c:731) [ 12.414757][ T218] ? __pfx_ksys_write (fs/read_write.c:721) [ 12.415030][ T218] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) [ 12.415322][ T218] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 12.415592][ T218] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 12.415919][ T218] RIP: 0033:0x7f9d9c47eb77 [ 12.416176][ T218] 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 [ 12.417126][ T218] RSP: 002b:00007ffe8d9763b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 12.417538][ T218] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f9d9c47eb77 [ 12.417934][ T218] RDX: 0000000000000004 RSI: 000056301c920110 RDI: 0000000000000001 [ 12.418341][ T218] RBP: 000056301c920110 R08: 0000000000000000 R09: 00007f9d9c4f14e0 [ 12.418752][ T218] R10: 00007f9d9c4f13e0 R11: 0000000000000246 R12: 0000000000000004 [ 12.419119][ T218] R13: 00007f9d9c53a760 R14: 0000000000000004 R15: 00007f9d9c5359c0 | [ 12.449489][ T218] ------------[ cut here ]------------ | [ 12.449901][ T218] WARNING: CPU: 1 PID: 218 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) | [ 12.450535][ T218] Modules linked in: netconsole netdevsim | [ 12.451387][ T218] Tainted: [W]=WARN [ 12.451600][ T218] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.451895][ T218] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 12.452271][ T218] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 90 0c 00 00 be ff ff ff ff e8 08 e9 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 90 0c 00 00 lea 0xc90(%r15),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 08 e9 78 00 call 0x78e929 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 [ 12.453118][ T218] RSP: 0018:ffffc90000ae7548 EFLAGS: 00010246 [ 12.453430][ T218] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 12.453786][ T218] RDX: 0000000000000000 RSI: ffff88800510ac90 RDI: ffff88800bd62e38 [ 12.454118][ T218] RBP: ffffffffb0f28600 R08: 0000000000000000 R09: fffffbfff5dbd944 [ 12.454684][ T218] R10: ffffffffaedeca27 R11: ffff88800bd62300 R12: 0000000000000000 [ 12.455053][ T218] R13: ffff88800510a128 R14: ffff88800510a008 R15: ffff88800510a000 [ 12.455438][ T218] FS: 00007f9d9c33d740(0000) GS:ffff88802f480000(0000) knlGS:0000000000000000 [ 12.455853][ T218] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 12.456189][ T218] CR2: 00007f06a1233960 CR3: 00000000092a0006 CR4: 0000000000772ef0 [ 12.456565][ T218] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 12.456882][ T218] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 12.457230][ T218] PKRU: 55555554 [ 12.457401][ T218] Call Trace: [ 12.457600][ T218] [ 12.457736][ T218] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 12.457971][ T218] ? __warn (kernel/panic.c:748) [ 12.458146][ T218] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 12.458453][ T218] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 12.458730][ T218] ? handle_bug (arch/x86/kernel/traps.c:285) [ 12.458933][ T218] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 12.459193][ T218] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 12.459506][ T218] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 12.459734][ T218] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) [ 12.459952][ T218] ? __pfx___netdev_update_features (net/core/dev.c:10559) [ 12.460221][ T218] ? _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) [ 12.460434][ T218] ? netdev_register_kobject (net/core/net-sysfs.c:2344) [ 12.460684][ T218] register_netdevice (net/core/dev.c:11003) [ 12.460908][ T218] ? __pfx_register_netdevice (net/core/dev.c:10881) [ 12.461141][ T218] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim [ 12.461395][ T218] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim [ 12.461680][ T218] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim [ 12.461945][ T218] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim [ 12.462230][ T218] nsim_drv_probe (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1607) netdevsim [ 12.462451][ T218] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim [ 12.462708][ T218] ? kernfs_create_link (fs/kernfs/symlink.c:48) [ 12.462924][ T218] ? 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)) [ 12.463076][ T218] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) [ 12.463301][ T218] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) [ 12.463509][ T218] __driver_probe_device (drivers/base/dd.c:800) [ 12.463713][ T218] driver_probe_device (drivers/base/dd.c:830) [ 12.463915][ T218] __device_attach_driver (drivers/base/dd.c:959) [ 12.464119][ T218] ? __pfx___device_attach_driver (drivers/base/dd.c:922) [ 12.464385][ T218] bus_for_each_drv (drivers/base/bus.c:462) [ 12.464606][ T218] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) [ 12.464806][ T218] ? bus_to_subsys (drivers/base/bus.c:85) [ 12.465009][ T218] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 12.465228][ T218] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [ 12.465438][ T218] __device_attach (drivers/base/dd.c:1030) [ 12.465641][ T218] ? __pfx___device_attach (drivers/base/dd.c:1001) [ 12.465845][ T218] ? bus_to_subsys (drivers/base/bus.c:85) [ 12.466051][ T218] ? 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) [ 12.466322][ T218] bus_probe_device (drivers/base/bus.c:537) [ 12.466532][ T218] device_add (drivers/base/core.c:3672) [ 12.466737][ T218] ? __pfx_device_add (drivers/base/core.c:3548) [ 12.466935][ T218] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) [ 12.467145][ T218] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim [ 12.467424][ T218] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim [ 12.467704][ T218] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) [ 12.467920][ T218] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) [ 12.468126][ T218] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) [ 12.468339][ T218] kernfs_fop_write_iter (fs/kernfs/file.c:334) [ 12.468545][ T218] vfs_write (fs/read_write.c:586 fs/read_write.c:679) [ 12.468710][ T218] ? __pfx_vfs_write (fs/read_write.c:660) [ 12.468925][ T218] ? find_held_lock (kernel/locking/lockdep.c:5341) [ 12.469137][ T218] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 12.469360][ T218] ksys_write (fs/read_write.c:731) [ 12.469517][ T218] ? __pfx_ksys_write (fs/read_write.c:721) [ 12.469751][ T218] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 12.469954][ T218] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 12.470228][ T218] RIP: 0033:0x7f9d9c47eb77 [ 12.470446][ T218] 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 [ 12.471152][ T218] RSP: 002b:00007ffe8d9763e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 12.471472][ T218] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f9d9c47eb77 [ 12.471775][ T218] RDX: 0000000000000004 RSI: 000056301c920110 RDI: 0000000000000001 [ 12.472083][ T218] RBP: 000056301c920110 R08: 0000000000000000 R09: 00007f9d9c4f14e0 [ 12.472396][ T218] R10: 00007f9d9c4f13e0 R11: 0000000000000246 R12: 0000000000000004 Finger prints: __netdev_update_features:register_netdevice:nsim_create:__nsim_dev_port_add:nsim_drv_probe