watchdog: BUG: soft lockup - CPU#1 stuck for 225s! [syz.4.770:4886]
Modules linked in:
CPU: 1 PID: 4886 Comm: syz.4.770 Not tainted 5.15.161-syzkaller-00425-gb92c0d35d015 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:icmpv6_flow_init+0x75/0x130 net/ipv6/icmp.c:1033
Code: 00 4c 89 f6 e8 3c ff 54 fd 48 8d 7b 28 ba 10 00 00 00 4c 89 ee e8 2b ff 54 fd 48 8d 7b 0e 48 89 f8 48 c1 e8 03 42 0f b6 04 38 <84> c0 75 64 c6 43 0e 3a 48 8d 7b 4c 48 89 f8 48 c1 e8 03 42 0f b6
RSP: 0018:ffffc900001d09d8 EFLAGS: 00000a07
RAX: 0000000000000000 RBX: ffffc900001d0b10 RCX: 0000000000000000
RDX: 0000000000000010 RSI: ffffffff85d9dfb0 RDI: ffffc900001d0b1e
RBP: ffffc900001d0a10 R08: dffffc0000000000 R09: fffff5200003a169
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000085
R13: ffffffff85d9dfa0 R14: ffffc900001d0ce0 R15: dffffc0000000000
FS:  00007f19d15406c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d01dff8 CR3: 0000000127e1f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ndisc_send_skb+0x25b/0xc90 net/ipv6/ndisc.c:488
 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
 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:schedule+0x118/0x1e0 kernel/sched/core.c:6595
Code: 4c 89 f7 be 01 00 00 00 e8 15 99 6b fd 4c 89 eb 48 c1 eb 03 eb 0a 49 f7 45 00 08 00 00 00 74 39 bf 01 00 00 00 e8 58 1e 68 fc <31> ff e8 51 e9 ff ff bf 01 00 00 00 e8 e7 1f 68 fc 4c 89 ef be 08
RSP: 0018:ffffc900016ff588 EFLAGS: 00000246
RAX: 1ffff11023a3d8be RBX: 1ffff11023a3d768 RCX: ffffffff84e60e00
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff84e436f8
RBP: ffffc900016ff5b0 R08: dffffc0000000000 R09: ffffed1023a3d769
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88811d1ebb40 R14: 0000000000000000 R15: dffffc0000000000
 freezable_schedule include/linux/freezer.h:197 [inline]
 futex_wait_queue_me+0x306/0x760 kernel/futex/core.c:2872
 futex_wait+0x2e6/0x9a0 kernel/futex/core.c:2975
 do_futex+0x1367/0x37f0 kernel/futex/core.c:3995
 __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: 0033:0x7f19d28c6ef9
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:00007f19d15400e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f19d2a7ef88 RCX: 00007f19d28c6ef9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f19d2a7ef88
RBP: 00007f19d2a7ef80 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f19d2a7ef8c
R13: 0000000000000000 R14: 00007ffe6728cac0 R15: 00007ffe6728cba8
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 4854 Comm: syz.2.754 Not tainted 5.15.161-syzkaller-00425-gb92c0d35d015 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:check_preemption_disabled+0x6/0x110 lib/smp_processor_id.c:13
Code: c3 cc cc cc 55 48 89 e5 48 c7 c7 20 32 a3 85 48 c7 c6 60 32 a3 85 e8 09 00 00 00 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 41 57 <41> 56 41 54 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 45 d8
RSP: 0000:ffffc900000070a8 EFLAGS: 00000046
RAX: ffffffff817e3dce RBX: ffffffff8625d9c8 RCX: ffff8881049abb40
RDX: 0000000000010501 RSI: ffffffff85a33260 RDI: ffffffff85a33220
RBP: ffffc900000070b0 R08: ffffffff874cc000 R09: ffffffff874cc008
R10: ffffffff874cc018 R11: ffffffff874cc010 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
FS:  00007fee3e92a6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000201d4000 CR3: 0000000141bed000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 debug_smp_processor_id+0x17/0x20 lib/smp_processor_id.c:60
 irq_work_run+0x13/0xf0 kernel/irq_work.c:186
 __sysvec_irq_work+0x63/0x1b0 arch/x86/kernel/irq_work.c:22
 sysvec_irq_work+0x41/0xb0 arch/x86/kernel/irq_work.c:17
 asm_sysvec_irq_work+0x1b/0x20 arch/x86/include/asm/idtentry.h:664
RIP: 0010:skb_network_protocol+0x174/0x770
Code: 0f b6 04 10 84 c0 0f 85 7a 05 00 00 48 89 d8 48 c1 e8 03 0f b6 04 10 84 c0 0f 85 91 05 00 00 41 0f b7 1e eb 0f e8 4c cd 89 fd <48> ba 00 00 00 00 00 fc ff df 4d 8d 75 78 4c 89 f0 48 c1 e8 03 0f
RSP: 0000:ffffc900000071e0 EFLAGS: 00000246
RAX: ffffffff83e692b4 RBX: 000000000000dd86 RCX: ffff8881049abb40
RDX: 0000000000000501 RSI: 000000000000dd86 RDI: 0000000000005865
RBP: ffffc900000072b0 R08: ffffffff83e691e0 R09: ffffffff83e6a8be
R10: 0000000000000002 R11: ffff8881049abb40 R12: 000061164fdd19e9
R13: ffff88813be0e780 R14: dffffc0000000000 R15: ffff88813be0e780
 harmonize_features net/core/dev.c:3513 [inline]
 netif_skb_features+0x774/0xb70 net/core/dev.c:3608
 validate_xmit_skb+0x7f/0xce0 net/core/dev.c:3693
 __dev_queue_xmit+0x12d2/0x2e70 net/core/dev.c:4246
 dev_queue_xmit+0x17/0x20 net/core/dev.c:4288
 neigh_resolve_output+0x6b8/0x760 net/core/neighbour.c:1504
 neigh_output include/net/neighbour.h:517 [inline]
 ip6_finish_output2+0xf95/0x16e0 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+0x1f7/0x4d0 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
 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 c0 6a 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 f4 18 68 fc fb bf 01 00 00 00 <e8> e9 e3 ff ff fa bf 01 00 00 00 e8 7e 1a 68 fc 65 48 8b 1d 06 31
RSP: 0000:ffffc90000147d40 EFLAGS: 00000246
RAX: 1ffff110209358be RBX: 1ffff92000028fac RCX: ffffffff84e60e00
RDX: 1ffff1102093576d RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90000147dd8 R08: ffffffff874cc000 R09: ffffffff874cc008
R10: ffffffff874cc018 R11: ffffffff874cc010 R12: ffffc90000147d60
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000028fa8
 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:exit_to_user_mode_loop+0x46/0xe0 kernel/entry/common.c:168
Code: 40 ee 56 00 e8 9b 7c f7 00 fa e8 95 ad 80 03 65 48 8b 05 0d 3c a3 7e 48 8b 18 f7 c3 0e 30 02 00 0f 84 87 00 00 00 fb f6 c3 08 <74> 05 e8 53 04 85 03 f7 c3 00 10 00 00 74 08 4c 89 f7 e8 53 dc 37
RSP: 0000:ffffc90000147ed0 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 0000000000000008 RCX: 0000000000010000
RDX: 1ffffffff0e99800 RSI: 0000000000000008 RDI: ffffc90000147f58
RBP: ffffc90000147ee0 R08: ffffffff874cc000 R09: ffffffff874cc008
R10: ffffffff874cc018 R11: ffffffff874cc010 R12: 0000000000000000
R13: 0000000000000000 R14: ffffc90000147f58 R15: ffff8881049abb40
 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: 0033:0x7fee3fcb0ef9
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:00007fee3e92a0e8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007fee3fe68f88 RCX: 00007fee3fcb0ef9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fee3fe68f88
RBP: 00007fee3fe68f80 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fee3fe68f8c
R13: 0000000000000000 R14: 00007ffd8b6501f0 R15: 00007ffd8b6502d8
 </TASK>