watchdog: BUG: soft lockup - CPU#0 stuck for 143s! [syz.4.38:791]
Modules linked in:
CPU: 0 PID: 791 Comm: syz.4.38 Not tainted 5.15.165-syzkaller-01568-g80dd36dca275 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x81/0x90 kernel/kcov.c:295
Code: 42 28 4c 39 d0 77 22 89 f8 89 f6 48 c7 44 0a 08 05 00 00 00 48 89 44 0a 10 48 89 74 0a 18 4c 89 44 0a 20 49 ff c1 4c 89 09 5d <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 55 48 89 e5 4c 8b 45
RSP: 0018:ffffc900000076a8 EFLAGS: 00000246
RAX: 0000000000000100 RBX: 0000000000000000 RCX: ffff888114ac8000
RDX: ffff888114ac8000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900000076d0 R08: ffffffff83df2a49 R09: ffffffff83df2941
R10: 0000000000000002 R11: ffff888114ac8000 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff8881219a9a98 R15: ffff8881219a9968
FS:  00007f2ebe95e6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2ebe91bf98 CR3: 000000011b9e1000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ip6_finish_output2+0x2cf/0x16e0 net/ipv6/ip6_output.c:82
 __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+0x1f7/0x4c0 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:511
 ndisc_send_rs+0x532/0x6a0 net/ipv6/ndisc.c:705
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3979
 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
 handle_softirqs+0x25e/0x5c0 kernel/softirq.c:565
 __do_softirq kernel/softirq.c:603 [inline]
 invoke_softirq kernel/softirq.c:425 [inline]
 __irq_exit_rcu+0x52/0xf0 kernel/softirq.c:652
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:664
 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 60 a9 cd 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 34 4c 67 fc fb bf 01 00 00 00 <e8> e9 e3 ff ff fa bf 01 00 00 00 e8 be 4d 67 fc 65 48 8b 1d e6 60
RSP: 0018:ffffc90000d77740 EFLAGS: 00000246
RAX: 1ffff11022959156 RBX: 1ffff920001aeeec RCX: ffffffff84e6de00
RDX: 1ffffffff0e99c00 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90000d777c8 R08: ffffffff874ce000 R09: ffffffff874ce008
R10: ffffffff874ce018 R11: ffffffff874ce010 R12: ffffc90000d77760
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920001aeee8
 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:do_futex+0x13a9/0x37f0 kernel/futex/core.c:4024
Code: 45 48 c7 01 00 00 00 00 c7 41 10 00 00 00 00 48 c7 41 1f 00 00 00 00 48 c7 41 27 00 00 00 00 c6 41 2f 00 c7 41 3e 00 00 00 00 <48> c7 41 46 00 00 00 00 48 c7 41 4e 00 00 00 00 48 c7 41 59 00 00
RSP: 0018:ffffc90000d778c0 EFLAGS: 00000286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: fffff520001aef3c
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000d77dc8 R08: ffffffff8165638b R09: 0000000000000003
R10: fffffbfff0e9f544 R11: dffffc0000000001 R12: dffffc0000000000
R13: 0000000000000000 R14: 00007f2ebf094f88 R15: 1ffff920001aefaa
 __do_sys_futex kernel/futex/core.c:4072 [inline]
 __se_sys_futex+0x37b/0x3e0 kernel/futex/core.c:4053
 __x64_sys_futex+0xe5/0x100 kernel/futex/core.c:4053
 x64_sys_call+0x561/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:203
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f2ebeedcff9
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:00007f2ebe95e0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f2ebf094f88 RCX: 00007f2ebeedcff9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f2ebf094f88
RBP: 00007f2ebf094f80 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2ebf094f8c
R13: 0000000000000000 R14: 00007fffa32a5330 R15: 00007fffa32a5418
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 786 Comm: syz.1.36 Not tainted 5.15.165-syzkaller-01568-g80dd36dca275 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:irqtime_account_irq+0x6/0x3c0 kernel/sched/cputime.c:54
Code: fd ff ff cc 55 48 89 e5 c6 05 95 af fe 05 01 5d c3 0f 1f 00 55 48 89 e5 c6 05 85 af fe 05 00 5d c3 0f 1f 00 55 48 89 e5 41 57 <41> 56 41 55 41 54 53 48 83 ec 18 41 89 f5 49 89 fe e8 a4 16 92 03
RSP: 0000:ffffc900001d0fb8 EFLAGS: 00000046
RAX: 0000000000000001 RBX: ffff888114ace2c0 RCX: dffffc0000000000
RDX: 0000000000010100 RSI: 0000000000000000 RDI: ffff888114ace2c0
RBP: ffffc900001d0fc0 R08: ffffffff8160e770 R09: ffffffff8163cc8d
R10: 0000000000000002 R11: ffff888114ace2c0 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f05fa06c6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001108db000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 account_hardirq_exit include/linux/vtime.h:159 [inline]
 __irq_exit_rcu+0x18/0xf0 kernel/softirq.c:649
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:664
 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:call_rcu+0xdf7/0x1310 kernel/rcu/tree.c:3126
Code: 41 80 3c 06 00 74 08 4c 89 ef e8 94 35 56 00 48 8b 05 4d 32 5e 05 49 03 45 00 48 39 c3 7f 62 fb 49 bd 00 00 00 00 00 fc ff df <48> c7 84 24 80 00 00 00 0e 36 e0 45 48 8b 44 24 78 49 c7 44 05 00
RSP: 0000:ffffc90000d17260 EFLAGS: 00000283
RAX: 0000000000002710 RBX: 0000000000000180 RCX: ffffffff815c7fe0
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff8881f7138c08
RBP: ffffc90000d173c8 R08: dffffc0000000000 R09: ffffed103ee27182
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1103ee27181
R13: dffffc0000000000 R14: 1ffff1103ee27187 R15: ffff8881f7138c08
 call_rcu_hurry include/linux/rcupdate.h:89 [inline]
 dst_release+0x9b/0xe0 net/core/dst.c:177
 refdst_drop include/net/dst.h:255 [inline]
 skb_dst_drop include/net/dst.h:267 [inline]
 __dev_queue_xmit+0x8eb/0x2e70 net/core/dev.c:4211
 dev_queue_xmit+0x17/0x20 net/core/dev.c:4288
 neigh_hh_output include/net/neighbour.h:501 [inline]
 neigh_output include/net/neighbour.h:515 [inline]
 ip6_finish_output2+0xf5e/0x16e0 net/ipv6/ip6_output.c:126
 __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+0x1f7/0x4c0 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:511
 ndisc_send_rs+0x532/0x6a0 net/ipv6/ndisc.c:705
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3979
 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
 handle_softirqs+0x25e/0x5c0 kernel/softirq.c:565
 __do_softirq kernel/softirq.c:603 [inline]
 invoke_softirq kernel/softirq.c:425 [inline]
 __irq_exit_rcu+0x52/0xf0 kernel/softirq.c:652
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:664
 sysvec_apic_timer_interrupt+0x49/0xc0 arch/x86/kernel/apic/apic.c:1096
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0033:0x7f05fa4ba8fd
Code: 4c 8d 25 a6 3b 1a 00 48 8d 2d b5 29 1a 00 48 c1 ea 12 48 01 ca 48 89 d9 48 2b 15 ee 7d e1 00 31 db e8 b7 15 ff ff 41 8b 76 2c <85> f6 7e 33 0f 1f 80 00 00 00 00 48 85 db 74 0a 4c 89 e7 31 c0 e8
RSP: 002b:00007f05fa06c060 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f05fa668927
RDX: 000000000000128c RSI: 0000000000000003 RDI: 00007f05fa65e46c
RBP: 00007f05fa65d296 R08: 00007ffc49dfb080 R09: 00007ffc49dfb0b0
R10: 0000000000002b68 R11: 000000000000015f R12: 00007f05fa65e480
R13: 0000000000000000 R14: 00007f05fa7a2f80 R15: 00007ffc49df58b8
 </TASK>