watchdog: BUG: soft lockup - CPU#0 stuck for 143s! [syz.3.265:1829]
Modules linked in:
CPU: 0 PID: 1829 Comm: syz.3.265 Not tainted 5.15.157-syzkaller-00896-g38761ec9fc9e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:update_stack_state+0x86/0x460 arch/x86/kernel/unwind_frame.c:198
Code: 09 e8 ae b9 7d 00 48 8b 7d c8 48 8b 07 48 85 c0 74 08 48 05 a8 00 00 00 eb 21 49 8d 5f 38 48 89 d8 48 c1 e8 03 42 80 3c 30 00 <74> 08 48 89 df e8 80 b9 7d 00 48 8b 03 48 83 c0 10 48 89 45 98 48
RSP: 0000:ffffc90000006cf0 EFLAGS: 00000246
RAX: 1ffff92000000dcf RBX: ffffc90000006e78 RCX: 0000000000006e01
RDX: dffffc0000000000 RSI: ffffc90000007bf8 RDI: ffffc90000006e98
RBP: ffffc90000006da8 R08: ffffc90000006f28 R09: 0000000000000014
R10: ffffc90000006f30 R11: dffffc0000000001 R12: 0000000000000000
R13: ffffc90000006e90 R14: dffffc0000000000 R15: ffffc90000006e40
FS:  00007fb8d90546c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3351fffc CR3: 0000000127f83000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 unwind_next_frame+0x3cb/0x700 arch/x86/kernel/unwind_frame.c:305
 arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:45
 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370
 ____kasan_slab_free+0x126/0x160 mm/kasan/common.c:365
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373
 kasan_slab_free include/linux/kasan.h:193 [inline]
 slab_free_hook mm/slub.c:1723 [inline]
 slab_free_freelist_hook+0xbd/0x190 mm/slub.c:1749
 slab_free mm/slub.c:3519 [inline]
 kmem_cache_free+0x116/0x2e0 mm/slub.c:3535
 kfree_skbmem+0x104/0x170
 __kfree_skb net/core/skbuff.c:758 [inline]
 consume_skb+0xb4/0x250 net/core/skbuff.c:930
 netlink_broadcast_filtered+0x10f4/0x1220 net/netlink/af_netlink.c:1540
 netlink_broadcast net/netlink/af_netlink.c:1562 [inline]
 nlmsg_multicast include/net/netlink.h:1033 [inline]
 nlmsg_notify+0x101/0x1c0 net/netlink/af_netlink.c:2548
 rtnl_notify+0x9c/0xd0 net/core/rtnetlink.c:730
 __neigh_notify+0xcc/0x120 net/core/neighbour.c:3386
 neigh_cleanup_and_release+0x2c/0x1b0 net/core/neighbour.c:101
 neigh_del net/core/neighbour.c:197 [inline]
 neigh_remove_one+0x3a6/0x430 net/core/neighbour.c:218
 neigh_forced_gc net/core/neighbour.c:251 [inline]
 neigh_alloc net/core/neighbour.c:429 [inline]
 ___neigh_create+0x474/0x1bd0 net/core/neighbour.c:591
 __neigh_create+0x32/0x40 net/core/neighbour.c:679
 ip6_finish_output2+0x9ee/0x16e0 net/ipv6/ip6_output.c:123
 __ip6_finish_output+0x60f/0x7c0 net/ipv6/ip6_output.c:197
 ip6_finish_output+0x31/0x210 net/ipv6/ip6_output.c:207
 NF_HOOK_COND include/linux/netfilter.h:294 [inline]
 ip6_output+0x1f7/0x4d0 net/ipv6/ip6_output.c:230
 dst_output include/net/dst.h:444 [inline]
 NF_HOOK include/linux/netfilter.h:305 [inline]
 ndisc_send_skb+0x73e/0xc90 net/ipv6/ndisc.c:509
 ndisc_send_rs+0x532/0x6a0 net/ipv6/ndisc.c:703
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3978
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1457
 expire_timers kernel/time/timer.c:1502 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1773
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1786
 __do_softirq+0x26d/0x5bf kernel/softirq.c:565
 invoke_softirq kernel/softirq.c:425 [inline]
 __irq_exit_rcu+0x50/0xf0 kernel/softirq.c:648
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:660
 sysvec_apic_timer_interrupt+0x9a/0xc0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:__schedule+0x0/0x1590 kernel/sched/core.c:6390
Code: 4c 89 25 73 04 1f 02 eb 05 e8 8c 6c 8c fc 48 c7 c7 c0 94 57 87 e8 d0 df 01 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <55> 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec c0 00
RSP: 0000:ffffc90000d77d38 EFLAGS: 00000246
RAX: 1ffff110219aeb36 RBX: 1ffff920001aefac RCX: ffffffff84e5ee00
RDX: 1ffffffff0e99800 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90000d77dd8 R08: ffffffff874cc000 R09: ffffffff874cc008
R10: ffffffff874cc018 R11: ffffffff874cc010 R12: ffffc90000d77d60
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920001aefa8
 irqentry_exit_cond_resched+0x2a/0x30 kernel/entry/common.c:398
 irqentry_exit+0x30/0x40 kernel/entry/common.c:432
 sysvec_irq_work+0x52/0xb0 arch/x86/kernel/irq_work.c:17
 asm_sysvec_irq_work+0x1b/0x20 arch/x86/include/asm/idtentry.h:664
RIP: 0010:exit_to_user_mode_loop+0x46/0xe0 kernel/entry/common.c:168
Code: 80 f8 56 00 e8 db 7f f7 00 fa e8 c5 80 80 03 65 48 8b 05 fd 2e a3 7e 48 8b 18 f7 c3 0e 30 02 00 0f 84 87 00 00 00 fb f6 c3 08 <74> 05 e8 83 d7 84 03 f7 c3 00 10 00 00 74 08 4c 89 f7 e8 93 e6 37
RSP: 0000:ffffc90000d77ed0 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 0000000000000008 RCX: 0000000000010000
RDX: 1ffffffff0e99800 RSI: 0000000000000008 RDI: ffffc90000d77f58
RBP: ffffc90000d77ee0 R08: ffffffff874cc000 R09: ffffffff874cc008
R10: ffffffff874cc018 R11: ffffffff874cc010 R12: 0000000000000000
R13: 0000000000000000 R14: ffffc90000d77f58 R15: ffff88810cd74f00
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:214
 irqentry_exit_to_user_mode+0x9/0x10 kernel/entry/common.c:320
 irqentry_exit+0x12/0x40 kernel/entry/common.c:411
 sysvec_apic_timer_interrupt+0x55/0xc0 arch/x86/kernel/apic/apic.c:1096
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0033:0x7fb8da3d9eb9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb8d9054038 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007fb8da592f80 RCX: 00007fb8da3d9eb9
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000003
RBP: 00007fb8da44bfbe R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fb8da592f80 R15: 00007ffe4562ff48
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 1473 Comm: syz.0.207 Not tainted 5.15.157-syzkaller-00896-g38761ec9fc9e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:llist_add_batch+0x75/0xb0 lib/llist.c:33
Code: 00 00 00 00 00 fc ff df 41 80 3c 07 00 74 08 4c 89 f7 e8 5e 00 4e ff 49 89 1e 4c 89 e7 be 08 00 00 00 e8 ae 01 4e ff 48 89 d8 <48> 8b 4d d0 f0 49 0f b1 0c 24 48 39 d8 74 07 e8 47 ae 0b ff eb a0
RSP: 0018:ffffc900001cfdb8 EFLAGS: 00000056
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8264bea2
RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff8881f7132f30
RBP: ffffc900001cfde8 R08: dffffc0000000000 R09: ffffed103ee265e7
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f7132f30
R13: 1ffff1103ee265e6 R14: ffff888125ae90f0 R15: 1ffff11024b5d21e
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2e0db1 CR3: 000000012c599000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 llist_add include/linux/llist.h:219 [inline]
 __irq_work_queue_local+0xae/0x180 kernel/irq_work.c:61
 irq_work_queue+0xaa/0x160 kernel/irq_work.c:75
 __perf_event_overflow+0x2b4/0x390 kernel/events/core.c:9327
 perf_swevent_hrtimer+0x3fd/0x560 kernel/events/core.c:10719
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x41a/0xad0 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x40c/0xaa0 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
 __sysvec_apic_timer_interrupt+0xfd/0x3c0 arch/x86/kernel/apic/apic.c:1102
 sysvec_apic_timer_interrupt+0x44/0xc0 arch/x86/kernel/apic/apic.c:1096
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:queued_write_lock_slowpath+0x14b/0x440 kernel/locking/qrwlock.c:78
Code: 4c 89 ff be 04 00 00 00 e8 52 84 5d 00 f0 41 81 0f 00 01 00 00 48 8b 5c 24 08 43 0f b6 04 2e 84 c0 0f 85 94 00 00 00 41 8b 07 <3d> 00 01 00 00 74 27 f3 90 43 0f b6 04 2e 84 c0 74 eb 44 89 f9 80
RSP: 0018:ffffc900001d0460 EFLAGS: 00000246
RAX: 00000000000001ff RBX: 1ffff9200003a096 RCX: ffffffff81553bfe
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffffff87194a88
RBP: ffffc900001d0510 R08: dffffc0000000000 R09: fffffbfff0e32952
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc900001d04b0
R13: dffffc0000000000 R14: 1ffffffff0e32951 R15: ffffffff87194a88
 queued_write_lock include/asm-generic/qrwlock.h:97 [inline]
 __raw_write_lock_bh include/linux/rwlock_api_smp.h:204 [inline]
 _raw_write_lock_bh+0x10a/0x170 kernel/locking/spinlock.c:324
 neigh_forced_gc net/core/neighbour.c:236 [inline]
 neigh_alloc net/core/neighbour.c:429 [inline]
 ___neigh_create+0x1f3/0x1bd0 net/core/neighbour.c:591
 __neigh_create+0x32/0x40 net/core/neighbour.c:679
 ip6_finish_output2+0x9ee/0x16e0 net/ipv6/ip6_output.c:123
 __ip6_finish_output+0x60f/0x7c0 net/ipv6/ip6_output.c:197
 ip6_finish_output+0x31/0x210 net/ipv6/ip6_output.c:207
 NF_HOOK_COND include/linux/netfilter.h:294 [inline]
 ip6_output+0x1f7/0x4d0 net/ipv6/ip6_output.c:230
 dst_output include/net/dst.h:444 [inline]
 NF_HOOK include/linux/netfilter.h:305 [inline]
 ndisc_send_skb+0x73e/0xc90 net/ipv6/ndisc.c:509
 ndisc_send_rs+0x532/0x6a0 net/ipv6/ndisc.c:703
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3978
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1457
 expire_timers kernel/time/timer.c:1502 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1773
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1786
 __do_softirq+0x26d/0x5bf kernel/softirq.c:565
 invoke_softirq kernel/softirq.c:425 [inline]
 __irq_exit_rcu+0x50/0xf0 kernel/softirq.c:648
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:660
 sysvec_apic_timer_interrupt+0x9a/0xc0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:preempt_schedule_irq+0xc2/0x140 kernel/sched/core.c:6916
Code: 4c 89 e7 e8 d0 a1 ce fc f6 44 24 21 02 74 0b 0f 0b 48 f7 03 08 00 00 00 74 4d bf 01 00 00 00 e8 e4 37 68 fc fb bf 01 00 00 00 <e8> e9 e3 ff ff fa bf 01 00 00 00 e8 6e 39 68 fc 65 48 8b 1d c6 50
RSP: 0018:ffffc90000b7f080 EFLAGS: 00000246
RAX: 1ffff110227593ce RBX: 1ffff9200016fe14 RCX: ffffffff84e5ee00
RDX: 1ffff1102275927d RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90000b7f118 R08: ffffffff874cc040 R09: ffffffff874cc048
R10: ffffffff874cc058 R11: ffffffff874cc050 R12: ffffc90000b7f0a0
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff9200016fe10
 irqentry_exit_cond_resched+0x2a/0x30 kernel/entry/common.c:398
 irqentry_exit+0x30/0x40 kernel/entry/common.c:432
 sysvec_apic_timer_interrupt+0x55/0xc0 arch/x86/kernel/apic/apic.c:1096
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:update_stack_state+0x17f/0x460 arch/x86/kernel/unwind_frame.c:218
Code: ff ff ff e8 d3 c6 f7 ff 85 c0 0f 85 22 01 00 00 48 8b 85 48 ff ff ff 42 80 3c 30 00 74 08 4c 89 e7 e8 95 b8 7d 00 4d 8b 24 24 <48> 8b 85 50 ff ff ff 42 80 3c 30 00 74 0c 48 8b bd 70 ff ff ff e8
RSP: 0018:ffffc90000b7f210 EFLAGS: 00000246
RAX: 1ffff9200016fe6d RBX: ffffc90000b7f388 RCX: ffffc90000b7f8c0
RDX: 1ffff9200016fe6e RSI: ffffc90000b7f8b0 RDI: ffffc90000b7f3b8
RBP: ffffc90000b7f2c8 R08: ffffc90000b7f448 R09: 0000000000000003
R10: ffffc90000b7f450 R11: dffffc0000000001 R12: ffffc90000b78000
R13: ffffc90000b7f3b0 R14: dffffc0000000000 R15: ffffc90000b7f360
 unwind_next_frame+0x3cb/0x700 arch/x86/kernel/unwind_frame.c:305
 arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
 save_stack+0xf6/0x1e0 mm/page_owner.c:139
 __reset_page_owner+0x36/0x190 mm/page_owner.c:156
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1472 [inline]
 free_pcp_prepare mm/page_alloc.c:1544 [inline]
 free_unref_page_prepare+0x7c8/0x7d0 mm/page_alloc.c:3534
 free_unref_page+0xe8/0x750 mm/page_alloc.c:3616
 free_the_page mm/page_alloc.c:805 [inline]
 __free_pages+0x61/0xf0 mm/page_alloc.c:5855
 __vunmap+0x7bc/0x8f0 mm/vmalloc.c:2652
 __vfree mm/vmalloc.c:2700 [inline]
 vfree+0x7f/0xb0 mm/vmalloc.c:2731
 kcov_put kernel/kcov.c:408 [inline]
 kcov_close+0x2b/0x50 kernel/kcov.c:510
 __fput+0x3fe/0x910 fs/file_table.c:280
 ____fput+0x15/0x20 fs/file_table.c:308
 task_work_run+0x129/0x190 kernel/task_work.c:164
 exit_task_work include/linux/task_work.h:32 [inline]
 do_exit+0xc48/0x2ca0 kernel/exit.c:878
 do_group_exit+0x141/0x310 kernel/exit.c:1000
 get_signal+0x7a3/0x1630 kernel/signal.c:2896
 arch_do_signal_or_restart+0xbd/0x1680 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:154 [inline]
 exit_to_user_mode_loop+0xa0/0xe0 kernel/entry/common.c:178
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:307
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fa6ecfabeb9
Code: Unable to access opcode bytes at RIP 0x7fa6ecfabe8f.
RSP: 002b:00007fa6ebc26038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 00007fa6ed164f80 RCX: 00007fa6ecfabeb9
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000004
RBP: 00007fa6ed01dfbe R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fa6ed164f80 R15: 00007fff79560bf8
 </TASK>