====================================== | [ 25.702140][ T373] ================================================================== | [ 25.702504][ T373] 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) | [ 25.702844][ T373] Write of size 8 at addr 0000000000000000 by task ip/373 | [ 25.703109][ T373] [ 25.703224][ T373] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.703227][ T373] Call Trace: [ 25.703229][ T373] [ 25.703231][ T373] dump_stack_lvl (lib/dump_stack.c:123) [ 25.703240][ T373] ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072) [ 25.703244][ T373] kasan_report (mm/kasan/report.c:597) [ 25.703250][ T373] ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072) [ 25.703255][ T373] kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200) [ 25.703259][ T373] try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072) [ 25.703264][ T373] __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364) [ 25.703268][ T373] ? enable_delayed_work (kernel/workqueue.c:4359) [ 25.703272][ T373] ? qdisc_destroy (net/sched/sch_generic.c:1355) [ 25.703278][ T373] __cancel_work_sync (kernel/workqueue.c:4383) [ 25.703282][ T373] __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2)) [ 25.703290][ T373] ? netdev_notify_peers (net/core/dev.c:1891) [ 25.703295][ T373] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455) [ 25.703300][ T373] __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) [ 25.703305][ T373] ? netif_set_allmulti (net/core/dev.c:9890) [ 25.703309][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 25.703316][ T373] netif_change_flags (net/core/dev.c:9989) [ 25.703321][ T373] dev_change_flags (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:69) [ 25.703325][ T373] cycle_netdev (drivers/net/vrf.c:1052) vrf [ 25.703332][ T373] vrf_add_slave (drivers/net/vrf.c:1083 drivers/net/vrf.c:1102) vrf [ 25.703338][ T373] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2964) [ 25.703343][ T373] do_setlink.constprop.0 (net/core/rtnetlink.c:3165) [ 25.703348][ T373] ? rtnl_newlink_create (net/core/rtnetlink.c:3036) [ 25.703354][ T373] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.703361][ T373] ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876) [ 25.703366][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 25.703372][ T373] ? __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) [ 25.703375][ T373] ? __mutex_handoff (kernel/locking/mutex.c:88) [ 25.703378][ T373] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 25.703384][ T373] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 25.703387][ T373] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 25.703390][ T373] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760) [ 25.703396][ T373] ? __lock_release (kernel/locking/lockdep.c:5536) [ 25.703399][ T373] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071) [ 25.703402][ T373] ? ww_mutex_lock (kernel/locking/mutex.c:759) [ 25.703406][ T373] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 25.703411][ T373] ? __rtnl_newlink (net/core/rtnetlink.c:3922) [ 25.703416][ T373] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073) [ 25.703421][ T373] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 25.703424][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 25.703430][ T373] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 25.703434][ T373] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956) [ 25.703436][ T373] ? __lock_release (kernel/locking/lockdep.c:5536) [ 25.703441][ T373] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 25.703444][ T373] rtnetlink_rcv_msg (net/core/rtnetlink.c:6958) [ 25.703448][ T373] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 25.703451][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 25.703458][ T373] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 25.703463][ T373] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 25.703467][ T373] ? netlink_ack (net/netlink/af_netlink.c:2527) [ 25.703474][ T373] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340) [ 25.703477][ T373] ? 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) [ 25.703481][ T373] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344) [ 25.703485][ T373] ? netlink_attachskb (net/netlink/af_netlink.c:1329) [ 25.703489][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 25.703494][ T373] netlink_sendmsg (net/netlink/af_netlink.c:1894) [ 25.703499][ T373] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 25.703502][ T373] ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361) [ 25.703510][ T373] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 25.703514][ T373] ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630) [ 25.703520][ T373] ? get_timestamp.constprop.0 (net/socket.c:2576) [ 25.703523][ T373] ? __copy_msghdr (net/socket.c:2556) [ 25.703531][ T373] ___sys_sendmsg (net/socket.c:2686) [ 25.703534][ T373] ? kasan_record_aux_stack (mm/kasan/generic.c:559) [ 25.703537][ T373] ? __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) [ 25.703543][ T373] ? copy_msghdr_from_user (net/socket.c:2673) [ 25.703548][ T373] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 25.703552][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 25.703558][ T373] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 25.703562][ T373] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65) [ 25.703567][ T373] ? __lock_release (kernel/locking/lockdep.c:5536) [ 25.703574][ T373] __sys_sendmsg (net/socket.c:2716) [ 25.703577][ T373] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148) [ 25.703580][ T373] ? __sys_sendmsg_sock (net/socket.c:2701) [ 25.703588][ T373] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 25.703592][ T373] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 25.703599][ T373] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 25.703603][ T373] RIP: 0033:0x7fe2fce051d7 [ 25.703607][ T373] 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) [ 25.703610][ T373] RSP: 002b:00007fffd762b778 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 25.703614][ T373] RAX: ffffffffffffffda RBX: 00007fffd762bea0 RCX: 00007fe2fce051d7 [ 25.703617][ T373] RDX: 0000000000000000 RSI: 00007fffd762b7e0 RDI: 0000000000000005 [ 25.703620][ T373] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 25.703623][ T373] R10: 000000003239d910 R11: 0000000000000246 R12: 0000000000000004 [ 25.703625][ T373] R13: 00000000691cc55f R14: 0000000000499600 R15: 0000000000000000 | [ 25.725449][ T373] #PF: error_code(0x0002) - not-present page | [ 25.725728][ T373] PGD 8ba4067 P4D 8ba4067 PUD c6ea067 PMD 0 | [ 25.725997][ T373] Oops: Oops: 0002 [#1] SMP KASAN | [ 25.726706][ T373] Tainted: [B]=BAD_PAGE [ 25.726868][ T373] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.727141][ T373] 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) [ 25.727445][ T373] 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 [ 25.728201][ T373] RSP: 0018:ffffc900005a6e70 EFLAGS: 00010046 [ 25.728479][ T373] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffa104090a [ 25.728801][ T373] RDX: fffffbfff4a4f2cd RSI: 0000000000000008 RDI: ffffffffa5279660 [ 25.729130][ T373] RBP: ffffc900005a6ed8 R08: 0000000000000001 R09: fffffbfff4a4f2cc [ 25.729465][ T373] R10: ffffffffa5279667 R11: ffffc900005a6940 R12: 0000000000000000 [ 25.729781][ T373] R13: 0000000000000282 R14: ffff88800c529000 R15: dffffc0000000000 [ 25.730102][ T373] FS: 00007fe2fcc37800(0000) GS:ffff8880910f2000(0000) knlGS:0000000000000000 [ 25.730499][ T373] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.730780][ T373] CR2: 0000000000000000 CR3: 0000000008d42005 CR4: 0000000000772ef0 [ 25.731100][ T373] PKRU: 55555554 [ 25.731260][ T373] Call Trace: [ 25.731443][ T373] [ 25.731563][ T373] __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364) [ 25.731789][ T373] ? enable_delayed_work (kernel/workqueue.c:4359) [ 25.732003][ T373] ? qdisc_destroy (net/sched/sch_generic.c:1355) [ 25.732216][ T373] __cancel_work_sync (kernel/workqueue.c:4383) [ 25.732435][ T373] __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2)) [ 25.732667][ T373] ? netdev_notify_peers (net/core/dev.c:1891) [ 25.732883][ T373] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455) [ 25.733102][ T373] __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) [ 25.733313][ T373] ? netif_set_allmulti (net/core/dev.c:9890) [ 25.733533][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 25.733751][ T373] netif_change_flags (net/core/dev.c:9989) [ 25.733964][ T373] dev_change_flags (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:69) [ 25.734177][ T373] cycle_netdev (drivers/net/vrf.c:1052) vrf [ 25.734393][ T373] vrf_add_slave (drivers/net/vrf.c:1083 drivers/net/vrf.c:1102) vrf [ 25.734627][ T373] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2964) [ 25.734847][ T373] do_setlink.constprop.0 (net/core/rtnetlink.c:3165) [ 25.735060][ T373] ? rtnl_newlink_create (net/core/rtnetlink.c:3036) [ 25.735274][ T373] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.735546][ T373] ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876) [ 25.735741][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 25.735930][ T373] ? __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) [ 25.736114][ T373] ? __mutex_handoff (kernel/locking/mutex.c:88) [ 25.736312][ T373] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 25.736514][ T373] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 25.736746][ T373] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 25.736931][ T373] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760) [ 25.737118][ T373] ? __lock_release (kernel/locking/lockdep.c:5536) [ 25.737354][ T373] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071) [ 25.737557][ T373] ? ww_mutex_lock (kernel/locking/mutex.c:759) [ 25.737750][ T373] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 25.737943][ T373] ? __rtnl_newlink (net/core/rtnetlink.c:3922) [ 25.738130][ T373] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073) [ 25.738341][ T373] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 25.738541][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 25.738748][ T373] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 25.738941][ T373] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956) [ 25.739140][ T373] ? __lock_release (kernel/locking/lockdep.c:5536) [ 25.739332][ T373] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 25.739533][ T373] rtnetlink_rcv_msg (net/core/rtnetlink.c:6958) [ 25.739727][ T373] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 25.739910][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 25.740095][ T373] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 25.740283][ T373] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 25.740487][ T373] ? netlink_ack (net/netlink/af_netlink.c:2527) [ 25.740686][ T373] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340) [ 25.740874][ T373] ? 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) [ 25.741058][ T373] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344) [ 25.741241][ T373] ? netlink_attachskb (net/netlink/af_netlink.c:1329) [ 25.741440][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 25.741643][ T373] netlink_sendmsg (net/netlink/af_netlink.c:1894) [ 25.741828][ T373] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 25.742011][ T373] ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361) [ 25.742202][ T373] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 25.742399][ T373] ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630) [ 25.742598][ T373] ? get_timestamp.constprop.0 (net/socket.c:2576) [ 25.742835][ T373] ? __copy_msghdr (net/socket.c:2556) [ 25.743024][ T373] ___sys_sendmsg (net/socket.c:2686) [ 25.743209][ T373] ? kasan_record_aux_stack (mm/kasan/generic.c:559) [ 25.743401][ T373] ? __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) [ 25.743650][ T373] ? copy_msghdr_from_user (net/socket.c:2673) [ 25.743841][ T373] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 25.744024][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 25.744209][ T373] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 25.744396][ T373] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65) [ 25.744596][ T373] ? __lock_release (kernel/locking/lockdep.c:5536) [ 25.744792][ T373] __sys_sendmsg (net/socket.c:2716) [ 25.744975][ T373] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148) [ 25.745203][ T373] ? __sys_sendmsg_sock (net/socket.c:2701) [ 25.745398][ T373] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 25.745595][ T373] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 25.745790][ T373] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 25.746020][ T373] RIP: 0033:0x7fe2fce051d7 [ 25.746241][ T373] 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) [ 25.747146][ T373] RSP: 002b:00007fffd762b778 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 25.747439][ T373] RAX: ffffffffffffffda RBX: 00007fffd762bea0 RCX: 00007fe2fce051d7 [ 25.747742][ T373] RDX: 0000000000000000 RSI: 00007fffd762b7e0 RDI: 0000000000000005 [ 25.748136][ T373] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 25.748423][ T373] R10: 000000003239d910 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