====================================== | [ 1044.116571][T10482] ================================================================== | [ 1044.116916][T10482] 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) | [ 1044.117239][T10482] Write of size 8 at addr 0000000000000000 by task ip/10482 | [ 1044.117533][T10482] [ 1044.117651][T10482] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1044.117654][T10482] Call Trace: [ 1044.117657][T10482] [ 1044.117659][T10482] dump_stack_lvl (lib/dump_stack.c:123) [ 1044.117670][T10482] ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072) [ 1044.117673][T10482] kasan_report (mm/kasan/report.c:597) [ 1044.117682][T10482] ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072) [ 1044.117688][T10482] kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200) [ 1044.117691][T10482] try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072) [ 1044.117696][T10482] __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364) [ 1044.117699][T10482] ? enable_delayed_work (kernel/workqueue.c:4359) [ 1044.117703][T10482] ? queue_delayed_work_on (kernel/workqueue.c:2590) [ 1044.117706][T10482] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472) [ 1044.117715][T10482] __cancel_work_sync (kernel/workqueue.c:4383) [ 1044.117719][T10482] __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2)) [ 1044.117728][T10482] ? netdev_notify_peers (net/core/dev.c:1891) [ 1044.117732][T10482] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 1044.117739][T10482] netif_close_many (net/core/dev.c:1959) [ 1044.117743][T10482] ? _raw_spin_unlock (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186) [ 1044.117754][T10482] ? __dev_close_many (net/core/dev.c:1949) [ 1044.117757][T10482] ? dev_getbyhwaddr_rcu (net/core/dev.c:10950) [ 1044.117760][T10482] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 1044.117766][T10482] __dev_change_net_namespace (./include/linux/list.h:119 ./include/linux/list.h:223 ./include/linux/list.h:237 net/core/dev.c:1975 net/core/dev.c:1968 net/core/dev.c:12746) [ 1044.117774][T10482] ? default_device_exit_batch (net/core/dev.c:12662) [ 1044.117776][T10482] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 1044.117780][T10482] ? __lock_release (kernel/locking/lockdep.c:5536) [ 1044.117785][T10482] ? rtnl_af_lookup (net/core/rtnetlink.c:2675) [ 1044.117790][T10482] ? is_bpf_text_address (kernel/bpf/core.c:749) [ 1044.117797][T10482] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 1044.117802][T10482] do_setlink.constprop.0 (net/core/rtnetlink.c:3060) [ 1044.117807][T10482] ? rtnl_newlink_create (net/core/rtnetlink.c:3036) [ 1044.117812][T10482] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 1044.117819][T10482] ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876) [ 1044.117824][T10482] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 1044.117829][T10482] ? __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) [ 1044.117833][T10482] ? __mutex_handoff (kernel/locking/mutex.c:88) [ 1044.117836][T10482] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 1044.117843][T10482] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 1044.117846][T10482] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 1044.117850][T10482] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760) [ 1044.117853][T10482] ? __lock_release (kernel/locking/lockdep.c:5536) [ 1044.117857][T10482] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071) [ 1044.117860][T10482] ? ww_mutex_lock (kernel/locking/mutex.c:759) [ 1044.117863][T10482] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 1044.117869][T10482] ? __rtnl_newlink (net/core/rtnetlink.c:3922) [ 1044.117874][T10482] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073) [ 1044.117879][T10482] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 1044.117882][T10482] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 1044.117888][T10482] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 1044.117891][T10482] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956) [ 1044.117894][T10482] ? __lock_release (kernel/locking/lockdep.c:5536) [ 1044.117898][T10482] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 1044.117901][T10482] rtnetlink_rcv_msg (net/core/rtnetlink.c:6958) [ 1044.117905][T10482] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 1044.117907][T10482] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 1044.117915][T10482] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 1044.117920][T10482] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 1044.117923][T10482] ? netlink_ack (net/netlink/af_netlink.c:2527) [ 1044.117930][T10482] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340) [ 1044.117933][T10482] ? 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) [ 1044.117937][T10482] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344) [ 1044.117941][T10482] ? netlink_attachskb (net/netlink/af_netlink.c:1329) [ 1044.117945][T10482] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 1044.117950][T10482] netlink_sendmsg (net/netlink/af_netlink.c:1894) [ 1044.117955][T10482] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 1044.117958][T10482] ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361) [ 1044.117965][T10482] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 1044.117968][T10482] ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630) [ 1044.117974][T10482] ? get_timestamp.constprop.0 (net/socket.c:2576) [ 1044.117977][T10482] ? __copy_msghdr (net/socket.c:2556) [ 1044.117985][T10482] ___sys_sendmsg (net/socket.c:2686) [ 1044.117988][T10482] ? kasan_record_aux_stack (mm/kasan/generic.c:559) [ 1044.117991][T10482] ? __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) [ 1044.117996][T10482] ? copy_msghdr_from_user (net/socket.c:2673) [ 1044.118001][T10482] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 1044.118005][T10482] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 1044.118011][T10482] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 1044.118014][T10482] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65) [ 1044.118024][T10482] ? __lock_release (kernel/locking/lockdep.c:5536) [ 1044.118031][T10482] __sys_sendmsg (net/socket.c:2716) [ 1044.118034][T10482] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148) [ 1044.118038][T10482] ? __sys_sendmsg_sock (net/socket.c:2701) [ 1044.118045][T10482] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 1044.118049][T10482] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 1044.118055][T10482] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 1044.118058][T10482] RIP: 0033:0x7fd4412ff1d7 [ 1044.118063][T10482] 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) [ 1044.118066][T10482] RSP: 002b:00007fff462803e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1044.118072][T10482] RAX: ffffffffffffffda RBX: 00007fff46280b10 RCX: 00007fd4412ff1d7 [ 1044.118074][T10482] RDX: 0000000000000000 RSI: 00007fff46280450 RDI: 0000000000000005 [ 1044.118075][T10482] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 1044.118077][T10482] R10: 00007fd4411fbf60 R11: 0000000000000246 R12: 0000000000000004 [ 1044.118079][T10482] R13: 00000000691cd508 R14: 0000000000499600 R15: 0000000000000000 | [ 1044.139515][T10482] #PF: error_code(0x0002) - not-present page | [ 1044.139844][T10482] PGD 1212a067 P4D 1212a067 PUD b8ad067 PMD 0 | [ 1044.140067][T10482] Oops: Oops: 0002 [#1] SMP KASAN | [ 1044.140734][T10482] Tainted: [B]=BAD_PAGE [ 1044.140870][T10482] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1044.141092][T10482] 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) [ 1044.141429][T10482] 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 [ 1044.142074][T10482] RSP: 0018:ffffc9000ba46dd0 EFLAGS: 00010046 [ 1044.142404][T10482] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8ac4090a [ 1044.142676][T10482] RDX: fffffbfff1dcf2cd RSI: 0000000000000008 RDI: ffffffff8ee79660 [ 1044.143049][T10482] RBP: ffffc9000ba46e38 R08: 0000000000000001 R09: fffffbfff1dcf2cc [ 1044.143315][T10482] R10: ffffffff8ee79667 R11: ffffc9000ba468c0 R12: 0000000000000000 [ 1044.143583][T10482] R13: 0000000000000282 R14: ffff88800fd39000 R15: dffffc0000000000 [ 1044.143957][T10482] FS: 00007fd441131800(0000) GS:ffff8880a73f2000(0000) knlGS:0000000000000000 [ 1044.144265][T10482] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1044.144484][T10482] CR2: 0000000000000000 CR3: 0000000012470004 CR4: 0000000000772ef0 [ 1044.144876][T10482] PKRU: 55555554 [ 1044.145008][T10482] Call Trace: [ 1044.145139][T10482] [ 1044.145233][T10482] __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364) [ 1044.145511][T10482] ? enable_delayed_work (kernel/workqueue.c:4359) [ 1044.145702][T10482] ? queue_delayed_work_on (kernel/workqueue.c:2590) [ 1044.145878][T10482] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472) [ 1044.146062][T10482] __cancel_work_sync (kernel/workqueue.c:4383) [ 1044.146351][T10482] __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2)) [ 1044.146528][T10482] ? netdev_notify_peers (net/core/dev.c:1891) [ 1044.146711][T10482] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 1044.146890][T10482] netif_close_many (net/core/dev.c:1959) [ 1044.147167][T10482] ? _raw_spin_unlock (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186) [ 1044.147345][T10482] ? __dev_close_many (net/core/dev.c:1949) [ 1044.147514][T10482] ? dev_getbyhwaddr_rcu (net/core/dev.c:10950) [ 1044.147702][T10482] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 1044.147988][T10482] __dev_change_net_namespace (./include/linux/list.h:119 ./include/linux/list.h:223 ./include/linux/list.h:237 net/core/dev.c:1975 net/core/dev.c:1968 net/core/dev.c:12746) [ 1044.148212][T10482] ? default_device_exit_batch (net/core/dev.c:12662) [ 1044.148427][T10482] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 1044.148632][T10482] ? __lock_release (kernel/locking/lockdep.c:5536) [ 1044.148920][T10482] ? rtnl_af_lookup (net/core/rtnetlink.c:2675) [ 1044.149092][T10482] ? is_bpf_text_address (kernel/bpf/core.c:749) [ 1044.149274][T10482] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 1044.149447][T10482] do_setlink.constprop.0 (net/core/rtnetlink.c:3060) [ 1044.149728][T10482] ? rtnl_newlink_create (net/core/rtnetlink.c:3036) [ 1044.149911][T10482] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 1044.150085][T10482] ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876) [ 1044.150261][T10482] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 1044.150538][T10482] ? __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) [ 1044.150724][T10482] ? __mutex_handoff (kernel/locking/mutex.c:88) [ 1044.150904][T10482] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 1044.151078][T10482] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 1044.151255][T10482] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 1044.151449][T10482] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760) [ 1044.151628][T10482] ? __lock_release (kernel/locking/lockdep.c:5536) [ 1044.151809][T10482] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071) [ 1044.152087][T10482] ? ww_mutex_lock (kernel/locking/mutex.c:759) [ 1044.152266][T10482] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 1044.152439][T10482] ? __rtnl_newlink (net/core/rtnetlink.c:3922) [ 1044.152616][T10482] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073) [ 1044.152899][T10482] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 1044.153071][T10482] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 1044.153249][T10482] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 1044.153419][T10482] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956) [ 1044.153701][T10482] ? __lock_release (kernel/locking/lockdep.c:5536) [ 1044.153879][T10482] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 1044.154054][T10482] rtnetlink_rcv_msg (net/core/rtnetlink.c:6958) [ 1044.154227][T10482] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 1044.154502][T10482] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 1044.154695][T10482] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 1044.154876][T10482] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 1044.155053][T10482] ? netlink_ack (net/netlink/af_netlink.c:2527) [ 1044.155360][T10482] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340) [ 1044.155537][T10482] ? 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) [ 1044.155726][T10482] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344) [ 1044.155904][T10482] ? netlink_attachskb (net/netlink/af_netlink.c:1329) [ 1044.156192][T10482] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 1044.156371][T10482] netlink_sendmsg (net/netlink/af_netlink.c:1894) [ 1044.156544][T10482] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 1044.156730][T10482] ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361) [ 1044.157030][T10482] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 1044.157202][T10482] ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630) [ 1044.157379][T10482] ? get_timestamp.constprop.0 (net/socket.c:2576) [ 1044.157599][T10482] ? __copy_msghdr (net/socket.c:2556) [ 1044.157886][T10482] ___sys_sendmsg (net/socket.c:2686) [ 1044.158060][T10482] ? kasan_record_aux_stack (mm/kasan/generic.c:559) [ 1044.158239][T10482] ? __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) [ 1044.158568][T10482] ? copy_msghdr_from_user (net/socket.c:2673) [ 1044.158756][T10482] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 1044.158932][T10482] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 1044.159108][T10482] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 1044.159383][T10482] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65) [ 1044.159559][T10482] ? __lock_release (kernel/locking/lockdep.c:5536) [ 1044.159756][T10482] __sys_sendmsg (net/socket.c:2716) [ 1044.159932][T10482] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148) [ 1044.160259][T10482] ? __sys_sendmsg_sock (net/socket.c:2701) [ 1044.160435][T10482] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 1044.160613][T10482] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 1044.160796][T10482] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 1044.161114][T10482] RIP: 0033:0x7fd4412ff1d7 [ 1044.161302][T10482] 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) [ 1044.162037][T10482] RSP: 002b:00007fff462803e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1044.162301][T10482] RAX: ffffffffffffffda RBX: 00007fff46280b10 RCX: 00007fd4412ff1d7 [ 1044.162667][T10482] RDX: 0000000000000000 RSI: 00007fff46280450 RDI: 0000000000000005 [ 1044.162934][T10482] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 1044.163193][T10482] R10: 00007fd4411fbf60 R11: 0000000000000246 R12: 0000000000000004 Finger prints: try_to_grab_pending:__cancel_work:__cancel_work_sync:__dev_close_many:netif_close_many kasan_report:kasan_check_range:try_to_grab_pending:__cancel_work:__cancel_work_sync