====================================== | [ 24.994146][ T371] ================================================================== | [ 24.994525][ T371] 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) | [ 24.994870][ T371] Write of size 8 at addr 0000000000000000 by task ip/371 | [ 24.995134][ T371] [ 24.995260][ T371] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.995262][ T371] Call Trace: [ 24.995264][ T371] [ 24.995266][ T371] dump_stack_lvl (lib/dump_stack.c:123) [ 24.995275][ T371] ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072) [ 24.995279][ T371] kasan_report (mm/kasan/report.c:597) [ 24.995286][ T371] ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072) [ 24.995291][ T371] kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200) [ 24.995295][ T371] try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072) [ 24.995300][ T371] __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364) [ 24.995304][ T371] ? enable_delayed_work (kernel/workqueue.c:4359) [ 24.995308][ T371] ? qdisc_destroy (net/sched/sch_generic.c:1355) [ 24.995314][ T371] __cancel_work_sync (kernel/workqueue.c:4383) [ 24.995318][ T371] __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2)) [ 24.995329][ T371] ? netdev_notify_peers (net/core/dev.c:1891) [ 24.995335][ T371] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455) [ 24.995344][ T371] __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) [ 24.995348][ T371] ? netif_set_allmulti (net/core/dev.c:9890) [ 24.995352][ T371] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 24.995359][ T371] netif_change_flags (net/core/dev.c:9989) [ 24.995364][ T371] dev_change_flags (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:69) [ 24.995369][ T371] cycle_netdev (drivers/net/vrf.c:1052) vrf [ 24.995376][ T371] vrf_add_slave (drivers/net/vrf.c:1083 drivers/net/vrf.c:1102) vrf [ 24.995382][ T371] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2964) [ 24.995389][ T371] do_setlink.constprop.0 (net/core/rtnetlink.c:3165) [ 24.995397][ T371] ? rtnl_newlink_create (net/core/rtnetlink.c:3036) [ 24.995406][ T371] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 24.995413][ T371] ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876) [ 24.995419][ T371] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 24.995424][ T371] ? __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) [ 24.995428][ T371] ? __mutex_handoff (kernel/locking/mutex.c:88) [ 24.995432][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 24.995440][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 24.995443][ T371] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 24.995447][ T371] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760) [ 24.995453][ T371] ? __lock_release (kernel/locking/lockdep.c:5536) [ 24.995457][ T371] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071) [ 24.995460][ T371] ? ww_mutex_lock (kernel/locking/mutex.c:759) [ 24.995463][ T371] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 24.995469][ T371] ? __rtnl_newlink (net/core/rtnetlink.c:3922) [ 24.995474][ T371] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073) [ 24.995480][ T371] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 24.995483][ T371] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 24.995489][ T371] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 24.995493][ T371] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956) [ 24.995495][ T371] ? __lock_release (kernel/locking/lockdep.c:5536) [ 24.995500][ T371] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 24.995503][ T371] rtnetlink_rcv_msg (net/core/rtnetlink.c:6958) [ 24.995507][ T371] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 24.995509][ T371] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 24.995516][ T371] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 24.995521][ T371] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 24.995524][ T371] ? netlink_ack (net/netlink/af_netlink.c:2527) [ 24.995531][ T371] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340) [ 24.995534][ T371] ? 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) [ 24.995538][ T371] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344) [ 24.995543][ T371] ? netlink_attachskb (net/netlink/af_netlink.c:1329) [ 24.995546][ T371] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 24.995552][ T371] netlink_sendmsg (net/netlink/af_netlink.c:1894) [ 24.995556][ T371] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 24.995560][ T371] ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361) [ 24.995568][ T371] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 24.995572][ T371] ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630) [ 24.995578][ T371] ? get_timestamp.constprop.0 (net/socket.c:2576) [ 24.995581][ T371] ? __copy_msghdr (net/socket.c:2556) [ 24.995589][ T371] ___sys_sendmsg (net/socket.c:2686) [ 24.995592][ T371] ? kasan_record_aux_stack (mm/kasan/generic.c:559) [ 24.995594][ T371] ? __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) [ 24.995601][ T371] ? copy_msghdr_from_user (net/socket.c:2673) [ 24.995606][ T371] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 24.995610][ T371] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 24.995616][ T371] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 24.995619][ T371] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65) [ 24.995625][ T371] ? __lock_release (kernel/locking/lockdep.c:5536) [ 24.995631][ T371] __sys_sendmsg (net/socket.c:2716) [ 24.995635][ T371] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148) [ 24.995638][ T371] ? __sys_sendmsg_sock (net/socket.c:2701) [ 24.995646][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 24.995650][ T371] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 24.995657][ T371] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 24.995664][ T371] RIP: 0033:0x7f41474f31d7 [ 24.995669][ T371] 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) [ 24.995674][ T371] RSP: 002b:00007fff76114148 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 24.995679][ T371] RAX: ffffffffffffffda RBX: 00007fff76114870 RCX: 00007f41474f31d7 [ 24.995681][ T371] RDX: 0000000000000000 RSI: 00007fff761141b0 RDI: 0000000000000005 [ 24.995683][ T371] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 24.995685][ T371] R10: 0000000030bf0910 R11: 0000000000000246 R12: 0000000000000004 [ 24.995687][ T371] R13: 00000000691cda48 R14: 0000000000499600 R15: 0000000000000000 | [ 25.018420][ T371] #PF: error_code(0x0002) - not-present page | [ 25.018656][ T371] PGD 8487067 P4D 8487067 PUD bc66067 PMD 0 | [ 25.019030][ T371] Oops: Oops: 0002 [#1] SMP KASAN | [ 25.019630][ T371] Tainted: [B]=BAD_PAGE [ 25.019782][ T371] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.020157][ T371] 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) [ 25.020431][ T371] 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 [ 25.021244][ T371] RSP: 0018:ffffc90000546e70 EFLAGS: 00010046 [ 25.021496][ T371] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffb684090a [ 25.021914][ T371] RDX: fffffbfff754f2cd RSI: 0000000000000008 RDI: ffffffffbaa79660 [ 25.022209][ T371] RBP: ffffc90000546ed8 R08: 0000000000000001 R09: fffffbfff754f2cc [ 25.022504][ T371] R10: ffffffffbaa79667 R11: ffffc90000546940 R12: 0000000000000000 [ 25.022796][ T371] R13: 0000000000000282 R14: ffff88800eb84000 R15: dffffc0000000000 [ 25.023102][ T371] FS: 00007f4147325800(0000) GS:ffff88807b8f2000(0000) knlGS:0000000000000000 [ 25.023573][ T371] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.023824][ T371] CR2: 0000000000000000 CR3: 0000000005018001 CR4: 0000000000772ef0 [ 25.024124][ T371] PKRU: 55555554 [ 25.024274][ T371] Call Trace: [ 25.024553][ T371] [ 25.024653][ T371] __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364) [ 25.024857][ T371] ? enable_delayed_work (kernel/workqueue.c:4359) [ 25.025059][ T371] ? qdisc_destroy (net/sched/sch_generic.c:1355) [ 25.025383][ T371] __cancel_work_sync (kernel/workqueue.c:4383) [ 25.025579][ T371] __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2)) [ 25.025772][ T371] ? netdev_notify_peers (net/core/dev.c:1891) [ 25.025964][ T371] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455) [ 25.026286][ T371] __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) [ 25.026498][ T371] ? netif_set_allmulti (net/core/dev.c:9890) [ 25.026693][ T371] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 25.026910][ T371] netif_change_flags (net/core/dev.c:9989) [ 25.027244][ T371] dev_change_flags (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:69) [ 25.027453][ T371] cycle_netdev (drivers/net/vrf.c:1052) vrf [ 25.027644][ T371] vrf_add_slave (drivers/net/vrf.c:1083 drivers/net/vrf.c:1102) vrf [ 25.027839][ T371] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2964) [ 25.028171][ T371] do_setlink.constprop.0 (net/core/rtnetlink.c:3165) [ 25.028374][ T371] ? rtnl_newlink_create (net/core/rtnetlink.c:3036) [ 25.028573][ T371] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.028769][ T371] ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876) [ 25.029090][ T371] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 25.029290][ T371] ? __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) [ 25.029497][ T371] ? __mutex_handoff (kernel/locking/mutex.c:88) [ 25.029689][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 25.030009][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 25.030212][ T371] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 25.030410][ T371] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760) [ 25.030598][ T371] ? __lock_release (kernel/locking/lockdep.c:5536) [ 25.030917][ T371] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071) [ 25.031109][ T371] ? ww_mutex_lock (kernel/locking/mutex.c:759) [ 25.031303][ T371] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 25.031504][ T371] ? __rtnl_newlink (net/core/rtnetlink.c:3922) [ 25.031823][ T371] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073) [ 25.032019][ T371] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 25.032232][ T371] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 25.032479][ T371] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 25.032789][ T371] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956) [ 25.032986][ T371] ? __lock_release (kernel/locking/lockdep.c:5536) [ 25.033197][ T371] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 25.033394][ T371] rtnetlink_rcv_msg (net/core/rtnetlink.c:6958) [ 25.033587][ T371] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 25.033777][ T371] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 25.033977][ T371] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 25.034197][ T371] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 25.034522][ T371] ? netlink_ack (net/netlink/af_netlink.c:2527) [ 25.034737][ T371] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340) [ 25.034945][ T371] ? 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) [ 25.035161][ T371] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344) [ 25.035527][ T371] ? netlink_attachskb (net/netlink/af_netlink.c:1329) [ 25.035732][ T371] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 25.035925][ T371] netlink_sendmsg (net/netlink/af_netlink.c:1894) [ 25.036126][ T371] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 25.036456][ T371] ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361) [ 25.036662][ T371] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 25.036868][ T371] ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630) [ 25.037077][ T371] ? get_timestamp.constprop.0 (net/socket.c:2576) [ 25.037477][ T371] ? __copy_msghdr (net/socket.c:2556) [ 25.037683][ T371] ___sys_sendmsg (net/socket.c:2686) [ 25.037868][ T371] ? kasan_record_aux_stack (mm/kasan/generic.c:559) [ 25.038077][ T371] ? __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) [ 25.038462][ T371] ? copy_msghdr_from_user (net/socket.c:2673) [ 25.038650][ T371] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 25.038846][ T371] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 25.039053][ T371] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 25.039413][ T371] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65) [ 25.039621][ T371] ? __lock_release (kernel/locking/lockdep.c:5536) [ 25.039830][ T371] __sys_sendmsg (net/socket.c:2716) [ 25.040048][ T371] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148) [ 25.040468][ T371] ? __sys_sendmsg_sock (net/socket.c:2701) [ 25.040666][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 25.040859][ T371] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 25.041060][ T371] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 25.041464][ T371] RIP: 0033:0x7f41474f31d7 [ 25.041682][ T371] 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) [ 25.042566][ T371] RSP: 002b:00007fff76114148 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 25.042878][ T371] RAX: ffffffffffffffda RBX: 00007fff76114870 RCX: 00007f41474f31d7 [ 25.043333][ T371] RDX: 0000000000000000 RSI: 00007fff761141b0 RDI: 0000000000000005 [ 25.043637][ T371] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 25.043931][ T371] R10: 0000000030bf0910 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