====================================== | [ 24.189530][ T366] ================================================================== | [ 24.189855][ T366] BUG: KASAN: null-ptr-deref in try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072) | [ 24.190149][ T366] Write of size 8 at addr 0000000000000000 by task ip/366 | [ 24.190429][ T366] [ 24.190535][ T366] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.190537][ T366] Call Trace: [ 24.190539][ T366] [ 24.190540][ T366] dump_stack_lvl (lib/dump_stack.c:123) [ 24.190549][ T366] ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072) [ 24.190553][ T366] kasan_report (mm/kasan/report.c:597) [ 24.190559][ T366] ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072) [ 24.190565][ T366] kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200) [ 24.190570][ T366] try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072) [ 24.190576][ T366] __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364) [ 24.190580][ T366] ? enable_delayed_work (kernel/workqueue.c:4359) [ 24.190585][ T366] ? qdisc_destroy (net/sched/sch_generic.c:1355) [ 24.190592][ T366] __cancel_work_sync (kernel/workqueue.c:4383) [ 24.190598][ T366] __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2)) [ 24.190609][ T366] ? netdev_notify_peers (net/core/dev.c:1891) [ 24.190614][ T366] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455) [ 24.190621][ T366] __dev_change_flags (./include/linux/list.h:119 ./include/linux/list.h:223 ./include/linux/list.h:237 net/core/dev.c:1945 net/core/dev.c:9924) [ 24.190627][ T366] ? netif_set_allmulti (net/core/dev.c:9890) [ 24.190631][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 24.190641][ T366] netif_change_flags (net/core/dev.c:9989) [ 24.190649][ T366] dev_change_flags (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:69) [ 24.190657][ T366] cycle_netdev (drivers/net/vrf.c:1052) vrf [ 24.190666][ T366] vrf_add_slave (drivers/net/vrf.c:1083 drivers/net/vrf.c:1102) vrf [ 24.190671][ T366] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2964) [ 24.190677][ T366] do_setlink.constprop.0 (net/core/rtnetlink.c:3165) [ 24.190682][ T366] ? rtnl_newlink_create (net/core/rtnetlink.c:3036) [ 24.190688][ T366] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 24.190696][ T366] ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876) [ 24.190701][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 24.190706][ T366] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) [ 24.190710][ T366] ? __mutex_handoff (kernel/locking/mutex.c:88) [ 24.190713][ T366] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 24.190718][ T366] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 24.190721][ T366] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 24.190725][ T366] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760) [ 24.190732][ T366] ? __lock_release (kernel/locking/lockdep.c:5536) [ 24.190735][ T366] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071) [ 24.190738][ T366] ? ww_mutex_lock (kernel/locking/mutex.c:759) [ 24.190742][ T366] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 24.190747][ T366] ? __rtnl_newlink (net/core/rtnetlink.c:3922) [ 24.190753][ T366] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073) [ 24.190758][ T366] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 24.190760][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 24.190766][ T366] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 24.190770][ T366] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956) [ 24.190772][ T366] ? __lock_release (kernel/locking/lockdep.c:5536) [ 24.190777][ T366] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 24.190779][ T366] rtnetlink_rcv_msg (net/core/rtnetlink.c:6958) [ 24.190783][ T366] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 24.190786][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 24.190793][ T366] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 24.190797][ T366] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 24.190800][ T366] ? netlink_ack (net/netlink/af_netlink.c:2527) [ 24.190807][ T366] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340) [ 24.190810][ T366] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 24.190813][ T366] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344) [ 24.190818][ T366] ? netlink_attachskb (net/netlink/af_netlink.c:1329) [ 24.190822][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 24.190827][ T366] netlink_sendmsg (net/netlink/af_netlink.c:1894) [ 24.190832][ T366] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 24.190835][ T366] ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361) [ 24.190843][ T366] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 24.190846][ T366] ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630) [ 24.190853][ T366] ? get_timestamp.constprop.0 (net/socket.c:2576) [ 24.190856][ T366] ? __copy_msghdr (net/socket.c:2556) [ 24.190864][ T366] ___sys_sendmsg (net/socket.c:2686) [ 24.190867][ T366] ? kasan_record_aux_stack (mm/kasan/generic.c:559) [ 24.190870][ T366] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3125) [ 24.190876][ T366] ? copy_msghdr_from_user (net/socket.c:2673) [ 24.190881][ T366] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 24.190886][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 24.190892][ T366] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 24.190895][ T366] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65) [ 24.190901][ T366] ? __lock_release (kernel/locking/lockdep.c:5536) [ 24.190908][ T366] __sys_sendmsg (net/socket.c:2716) [ 24.190911][ T366] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148) [ 24.190914][ T366] ? __sys_sendmsg_sock (net/socket.c:2701) [ 24.190922][ T366] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 24.190926][ T366] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 24.190932][ T366] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 24.190936][ T366] RIP: 0033:0x7f35184ac1d7 [ 24.190939][ T366] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 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 2e 00 00 00 mov $0x2e,%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: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) 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: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 24.190942][ T366] RSP: 002b:00007ffdca318a88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 24.190946][ T366] RAX: ffffffffffffffda RBX: 00007ffdca3191b0 RCX: 00007f35184ac1d7 [ 24.190948][ T366] RDX: 0000000000000000 RSI: 00007ffdca318af0 RDI: 0000000000000005 [ 24.190950][ T366] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 24.190951][ T366] R10: 0000000034431910 R11: 0000000000000246 R12: 0000000000000004 [ 24.190953][ T366] R13: 00000000691cc5ab R14: 0000000000499600 R15: 0000000000000000 | [ 24.210621][ T366] #PF: error_code(0x0002) - not-present page | [ 24.210849][ T366] PGD e7c0067 P4D e7c0067 PUD e74b067 PMD 0 | [ 24.211082][ T366] Oops: Oops: 0002 [#1] SMP KASAN | [ 24.211672][ T366] Tainted: [B]=BAD_PAGE [ 24.211812][ T366] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.212044][ T366] RIP: 0010:try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072) [ 24.212291][ T366] Code: 00 41 89 c0 b8 01 00 00 00 45 85 c0 74 0f 48 83 c4 10 5b 5d 41 5c 41 5d 41 5e 41 5f c3 be 08 00 00 00 48 89 df e8 7f 7f 81 00 48 0f ba 2b 00 72 11 48 83 c4 10 31 c0 5b 5d 41 5c 41 5d 41 5e All code ======== 0: 00 41 89 add %al,-0x77(%rcx) 3: c0 b8 01 00 00 00 45 sarb $0x45,0x1(%rax) a: 85 c0 test %eax,%eax c: 74 0f je 0x1d e: 48 83 c4 10 add $0x10,%rsp 12: 5b pop %rbx 13: 5d pop %rbp 14: 41 5c pop %r12 16: 41 5d pop %r13 18: 41 5e pop %r14 1a: 41 5f pop %r15 1c: c3 ret 1d: be 08 00 00 00 mov $0x8,%esi 22: 48 89 df mov %rbx,%rdi 25: e8 7f 7f 81 00 call 0x817fa9 2a:* f0 48 0f ba 2b 00 lock btsq $0x0,(%rbx) <-- trapping instruction 30: 72 11 jb 0x43 32: 48 83 c4 10 add $0x10,%rsp 36: 31 c0 xor %eax,%eax 38: 5b pop %rbx 39: 5d pop %rbp 3a: 41 5c pop %r12 3c: 41 5d pop %r13 3e: 41 5e pop %r14 Code starting with the faulting instruction =========================================== 0: f0 48 0f ba 2b 00 lock btsq $0x0,(%rbx) 6: 72 11 jb 0x19 8: 48 83 c4 10 add $0x10,%rsp c: 31 c0 xor %eax,%eax e: 5b pop %rbx f: 5d pop %rbp 10: 41 5c pop %r12 12: 41 5d pop %r13 14: 41 5e pop %r14 [ 24.212954][ T366] RSP: 0018:ffffc900005e6e70 EFLAGS: 00010046 [ 24.213188][ T366] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9c84090a [ 24.213476][ T366] RDX: fffffbfff414f2cd RSI: 0000000000000008 RDI: ffffffffa0a79660 [ 24.213758][ T366] RBP: ffffc900005e6ed8 R08: 0000000000000001 R09: fffffbfff414f2cc [ 24.214051][ T366] R10: ffffffffa0a79667 R11: ffffc900005e6940 R12: 0000000000000000 [ 24.214337][ T366] R13: 0000000000000282 R14: ffff888007a84000 R15: dffffc0000000000 [ 24.214624][ T366] FS: 00007f35182de800(0000) GS:ffff88808ff72000(0000) knlGS:0000000000000000 [ 24.214948][ T366] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.215188][ T366] CR2: 0000000000000000 CR3: 000000000c7a8005 CR4: 0000000000772ef0 [ 24.215474][ T366] PKRU: 55555554 [ 24.215616][ T366] Call Trace: [ 24.215759][ T366] [ 24.215864][ T366] __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364) [ 24.216047][ T366] ? enable_delayed_work (kernel/workqueue.c:4359) [ 24.216234][ T366] ? qdisc_destroy (net/sched/sch_generic.c:1355) [ 24.216435][ T366] __cancel_work_sync (kernel/workqueue.c:4383) [ 24.216622][ T366] __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2)) [ 24.216805][ T366] ? netdev_notify_peers (net/core/dev.c:1891) [ 24.217000][ T366] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455) [ 24.217188][ T366] __dev_change_flags (./include/linux/list.h:119 ./include/linux/list.h:223 ./include/linux/list.h:237 net/core/dev.c:1945 net/core/dev.c:9924) [ 24.217387][ T366] ? netif_set_allmulti (net/core/dev.c:9890) [ 24.217575][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 24.217764][ T366] netif_change_flags (net/core/dev.c:9989) [ 24.217947][ T366] dev_change_flags (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:69) [ 24.218159][ T366] cycle_netdev (drivers/net/vrf.c:1052) vrf [ 24.218355][ T366] vrf_add_slave (drivers/net/vrf.c:1083 drivers/net/vrf.c:1102) vrf [ 24.218553][ T366] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2964) [ 24.218741][ T366] do_setlink.constprop.0 (net/core/rtnetlink.c:3165) [ 24.218927][ T366] ? rtnl_newlink_create (net/core/rtnetlink.c:3036) [ 24.219110][ T366] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 24.219299][ T366] ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876) [ 24.219489][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 24.219681][ T366] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) [ 24.219863][ T366] ? __mutex_handoff (kernel/locking/mutex.c:88) [ 24.220046][ T366] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 24.220231][ T366] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 24.220442][ T366] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 24.220630][ T366] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760) [ 24.220817][ T366] ? __lock_release (kernel/locking/lockdep.c:5536) [ 24.220999][ T366] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071) [ 24.221183][ T366] ? ww_mutex_lock (kernel/locking/mutex.c:759) [ 24.221372][ T366] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 24.221562][ T366] ? __rtnl_newlink (net/core/rtnetlink.c:3922) [ 24.221746][ T366] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073) [ 24.221931][ T366] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 24.222111][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 24.222296][ T366] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 24.222484][ T366] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956) [ 24.222677][ T366] ? __lock_release (kernel/locking/lockdep.c:5536) [ 24.222860][ T366] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 24.223041][ T366] rtnetlink_rcv_msg (net/core/rtnetlink.c:6958) [ 24.223223][ T366] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 24.223411][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 24.223719][ T366] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 24.223901][ T366] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 24.224084][ T366] ? netlink_ack (net/netlink/af_netlink.c:2527) [ 24.224272][ T366] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340) [ 24.224463][ T366] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 24.224650][ T366] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344) [ 24.224950][ T366] ? netlink_attachskb (net/netlink/af_netlink.c:1329) [ 24.225134][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 24.225320][ T366] netlink_sendmsg (net/netlink/af_netlink.c:1894) [ 24.225506][ T366] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 24.225698][ T366] ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361) [ 24.225999][ T366] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 24.226300][ T366] ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630) [ 24.226747][ T366] ? get_timestamp.constprop.0 (net/socket.c:2576) [ 24.226977][ T366] ? __copy_msghdr (net/socket.c:2556) [ 24.227164][ T366] ___sys_sendmsg (net/socket.c:2686) [ 24.227366][ T366] ? kasan_record_aux_stack (mm/kasan/generic.c:559) [ 24.227556][ T366] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3125) [ 24.227793][ T366] ? copy_msghdr_from_user (net/socket.c:2673) [ 24.227993][ T366] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 24.228174][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 24.228371][ T366] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 24.228559][ T366] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65) [ 24.228744][ T366] ? __lock_release (kernel/locking/lockdep.c:5536) [ 24.228930][ T366] __sys_sendmsg (net/socket.c:2716) [ 24.229114][ T366] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148) [ 24.229356][ T366] ? __sys_sendmsg_sock (net/socket.c:2701) [ 24.229544][ T366] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 24.229726][ T366] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 24.229921][ T366] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 24.230146][ T366] RIP: 0033:0x7f35184ac1d7 [ 24.230356][ T366] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 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 2e 00 00 00 mov $0x2e,%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: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) 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: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 24.231054][ T366] RSP: 002b:00007ffdca318a88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 24.231342][ T366] RAX: ffffffffffffffda RBX: 00007ffdca3191b0 RCX: 00007f35184ac1d7 [ 24.231640][ T366] RDX: 0000000000000000 RSI: 00007ffdca318af0 RDI: 0000000000000005 [ 24.232043][ T366] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 24.232462][ T366] R10: 0000000034431910 R11: 0000000000000246 R12: 0000000000000004 Finger prints: try_to_grab_pending:__cancel_work:__cancel_work_sync:__dev_close_many:__dev_change_flags kasan_report:kasan_check_range:try_to_grab_pending:__cancel_work:__cancel_work_sync