====================================== | [ 19.820718][ T287] ================================================================== | [ 19.821193][ T287] 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) | [ 19.821692][ T287] Write of size 8 at addr 0000000000000000 by task ip/287 | [ 19.822032][ T287] [ 19.822180][ T287] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.822186][ T287] Call Trace: [ 19.822198][ T287] [ 19.822213][ T287] dump_stack_lvl (lib/dump_stack.c:123) [ 19.822223][ T287] ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072) [ 19.822226][ T287] kasan_report (mm/kasan/report.c:597) [ 19.822231][ T287] ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072) [ 19.822236][ T287] kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200) [ 19.822239][ T287] try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072) [ 19.822242][ T287] ? bond_close (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 drivers/net/bonding/bond_main.c:4341) [ 19.822247][ T287] ? __lock_release (kernel/locking/lockdep.c:5536) [ 19.822267][ T287] __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364) [ 19.822277][ T287] ? enable_delayed_work (kernel/workqueue.c:4359) [ 19.822285][ T287] ? bond_ipsec_offload_ok (drivers/net/bonding/bond_main.c:4322) [ 19.822294][ T287] __cancel_work_sync (kernel/workqueue.c:4383) [ 19.822308][ T287] __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2)) [ 19.822324][ T287] ? netdev_notify_peers (net/core/dev.c:1891) [ 19.822329][ T287] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455) [ 19.822337][ T287] __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) [ 19.822351][ T287] ? netif_set_allmulti (net/core/dev.c:9890) [ 19.822353][ T287] ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 kernel/bpf/core.c:746) [ 19.822361][ T287] netif_change_flags (net/core/dev.c:9989) [ 19.822364][ T287] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 19.822368][ T287] do_setlink.constprop.0 (net/core/rtnetlink.c:3158) [ 19.822378][ T287] ? rtnl_newlink_create (net/core/rtnetlink.c:3036) [ 19.822397][ T287] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 19.822401][ T287] ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876) [ 19.822406][ T287] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 19.822410][ T287] ? __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) [ 19.822414][ T287] ? __mutex_handoff (kernel/locking/mutex.c:88) [ 19.822417][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 19.822420][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 19.822427][ T287] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 19.822437][ T287] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760) [ 19.822457][ T287] ? __create_object (mm/kmemleak.c:786) [ 19.822465][ T287] ? __lock_release (kernel/locking/lockdep.c:5536) [ 19.822468][ T287] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071) [ 19.822476][ T287] ? ww_mutex_lock (kernel/locking/mutex.c:759) [ 19.822484][ T287] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 19.822498][ T287] ? __rtnl_newlink (net/core/rtnetlink.c:3922) [ 19.822508][ T287] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073) [ 19.822517][ T287] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 19.822525][ T287] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 19.822530][ T287] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 19.822534][ T287] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956) [ 19.822536][ T287] ? __lock_release (kernel/locking/lockdep.c:5536) [ 19.822551][ T287] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 19.822561][ T287] rtnetlink_rcv_msg (net/core/rtnetlink.c:6958) [ 19.822575][ T287] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 19.822582][ T287] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 19.822605][ T287] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 19.822609][ T287] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 19.822613][ T287] ? netlink_ack (net/netlink/af_netlink.c:2527) [ 19.822626][ T287] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340) [ 19.822640][ T287] ? 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) [ 19.822645][ T287] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344) [ 19.822656][ T287] ? netlink_attachskb (net/netlink/af_netlink.c:1329) [ 19.822666][ T287] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 19.822675][ T287] netlink_sendmsg (net/netlink/af_netlink.c:1894) [ 19.822679][ T287] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 19.822682][ T287] ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361) [ 19.822688][ T287] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 19.822691][ T287] ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630) [ 19.822704][ T287] ? get_timestamp.constprop.0 (net/socket.c:2576) [ 19.822707][ T287] ? __copy_msghdr (net/socket.c:2556) [ 19.822713][ T287] ___sys_sendmsg (net/socket.c:2686) [ 19.822715][ T287] ? kasan_record_aux_stack (mm/kasan/generic.c:559) [ 19.822718][ T287] ? __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) [ 19.822723][ T287] ? copy_msghdr_from_user (net/socket.c:2673) [ 19.822727][ T287] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 19.822731][ T287] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 19.822737][ T287] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 19.822747][ T287] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65) [ 19.822753][ T287] ? __lock_release (kernel/locking/lockdep.c:5536) [ 19.822773][ T287] __sys_sendmsg (net/socket.c:2716) [ 19.822779][ T287] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148) [ 19.822789][ T287] ? __sys_sendmsg_sock (net/socket.c:2701) [ 19.822800][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 19.822804][ T287] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 19.822808][ T287] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 19.822812][ T287] RIP: 0033:0x7fe04ad171d7 [ 19.822824][ T287] 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) [ 19.822847][ T287] RSP: 002b:00007ffe8077fb88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 19.822861][ T287] RAX: ffffffffffffffda RBX: 00007ffe807802c0 RCX: 00007fe04ad171d7 [ 19.822871][ T287] RDX: 0000000000000000 RSI: 00007ffe8077fbf0 RDI: 0000000000000005 [ 19.822872][ T287] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 19.822874][ T287] R10: 00007fe04ac13510 R11: 0000000000000246 R12: 0000000000000002 [ 19.822879][ T287] R13: 00000000691cb8f6 R14: 0000000000499600 R15: 0000000000000000 | [ 19.853335][ T287] #PF: error_code(0x0002) - not-present page | [ 19.853651][ T287] PGD b382067 P4D b382067 PUD bc6b067 PMD 0 | [ 19.854172][ T287] Oops: Oops: 0002 [#1] SMP KASAN | [ 19.854984][ T287] Tainted: [B]=BAD_PAGE [ 19.855371][ T287] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.855664][ T287] 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) [ 19.855967][ T287] 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 af 80 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 af 80 81 00 call 0x8180d9 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 [ 19.857065][ T287] RSP: 0018:ffffc90000b66f30 EFLAGS: 00010046 [ 19.857400][ T287] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff97a4390a [ 19.858072][ T287] RDX: fffffbfff37dd4cd RSI: 0000000000000008 RDI: ffffffff9beea660 [ 19.858571][ T287] RBP: ffffc90000b66f98 R08: 0000000000000001 R09: fffffbfff37dd4cc [ 19.859017][ T287] R10: ffffffff9beea667 R11: ffffc90000b66a00 R12: 0000000000000000 [ 19.859563][ T287] R13: 0000000000000286 R14: ffff888009b62000 R15: dffffc0000000000 [ 19.859932][ T287] FS: 00007fe04ab49800(0000) GS:ffff88809a501000(0000) knlGS:0000000000000000 [ 19.860540][ T287] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 19.860949][ T287] CR2: 0000000000000000 CR3: 0000000005561003 CR4: 0000000000772ef0 [ 19.861455][ T287] PKRU: 55555554 [ 19.861867][ T287] Call Trace: [ 19.862116][ T287] [ 19.862273][ T287] ? bond_close (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 drivers/net/bonding/bond_main.c:4341) [ 19.862661][ T287] ? __lock_release (kernel/locking/lockdep.c:5536) [ 19.862946][ T287] __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364) [ 19.863415][ T287] ? enable_delayed_work (kernel/workqueue.c:4359) [ 19.863668][ T287] ? bond_ipsec_offload_ok (drivers/net/bonding/bond_main.c:4322) [ 19.863947][ T287] __cancel_work_sync (kernel/workqueue.c:4383) [ 19.864227][ T287] __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2)) [ 19.864695][ T287] ? netdev_notify_peers (net/core/dev.c:1891) [ 19.865016][ T287] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455) [ 19.865306][ T287] __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) [ 19.865670][ T287] ? netif_set_allmulti (net/core/dev.c:9890) [ 19.866115][ T287] ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 kernel/bpf/core.c:746) [ 19.866350][ T287] netif_change_flags (net/core/dev.c:9989) [ 19.866716][ T287] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 19.867050][ T287] do_setlink.constprop.0 (net/core/rtnetlink.c:3158) [ 19.867577][ T287] ? rtnl_newlink_create (net/core/rtnetlink.c:3036) [ 19.867794][ T287] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 19.868154][ T287] ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876) [ 19.868399][ T287] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 19.868753][ T287] ? __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) [ 19.869009][ T287] ? __mutex_handoff (kernel/locking/mutex.c:88) [ 19.869268][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 19.869507][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 19.869862][ T287] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 19.870129][ T287] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760) [ 19.870403][ T287] ? __create_object (mm/kmemleak.c:786) [ 19.870674][ T287] ? __lock_release (kernel/locking/lockdep.c:5536) [ 19.871105][ T287] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071) [ 19.871443][ T287] ? ww_mutex_lock (kernel/locking/mutex.c:759) [ 19.871682][ T287] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 19.871951][ T287] ? __rtnl_newlink (net/core/rtnetlink.c:3922) [ 19.872483][ T287] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073) [ 19.872840][ T287] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 19.873092][ T287] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 19.873362][ T287] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 19.873835][ T287] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956) [ 19.874169][ T287] ? __lock_release (kernel/locking/lockdep.c:5536) [ 19.874470][ T287] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 19.874785][ T287] rtnetlink_rcv_msg (net/core/rtnetlink.c:6958) [ 19.875252][ T287] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 19.875564][ T287] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 19.875794][ T287] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 19.876042][ T287] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 19.876470][ T287] ? netlink_ack (net/netlink/af_netlink.c:2527) [ 19.876717][ T287] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340) [ 19.876971][ T287] ? 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) [ 19.877209][ T287] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344) [ 19.877559][ T287] ? netlink_attachskb (net/netlink/af_netlink.c:1329) [ 19.877815][ T287] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 19.878188][ T287] netlink_sendmsg (net/netlink/af_netlink.c:1894) [ 19.878474][ T287] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 19.878871][ T287] ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361) [ 19.879194][ T287] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 19.879505][ T287] ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630) [ 19.879757][ T287] ? get_timestamp.constprop.0 (net/socket.c:2576) [ 19.880235][ T287] ? __copy_msghdr (net/socket.c:2556) [ 19.880435][ T287] ___sys_sendmsg (net/socket.c:2686) [ 19.880659][ T287] ? kasan_record_aux_stack (mm/kasan/generic.c:559) [ 19.880860][ T287] ? __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) [ 19.881282][ T287] ? copy_msghdr_from_user (net/socket.c:2673) [ 19.881637][ T287] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 19.881849][ T287] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 19.882098][ T287] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 19.882591][ T287] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65) [ 19.882861][ T287] ? __lock_release (kernel/locking/lockdep.c:5536) [ 19.883098][ T287] __sys_sendmsg (net/socket.c:2716) [ 19.883319][ T287] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148) [ 19.883873][ T287] ? __sys_sendmsg_sock (net/socket.c:2701) [ 19.884191][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 19.884525][ T287] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 19.884990][ T287] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 19.885332][ T287] RIP: 0033:0x7fe04ad171d7 [ 19.885578][ T287] 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) [ 19.886768][ T287] RSP: 002b:00007ffe8077fb88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 19.887373][ T287] RAX: ffffffffffffffda RBX: 00007ffe807802c0 RCX: 00007fe04ad171d7 [ 19.887818][ T287] RDX: 0000000000000000 RSI: 00007ffe8077fbf0 RDI: 0000000000000005 [ 19.888338][ T287] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 19.888739][ T287] R10: 00007fe04ac13510 R11: 0000000000000246 R12: 0000000000000002 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