watchdog: BUG: soft lockup - CPU#1 stuck for 137s! [syz.4.337:2392]
Modules linked in:
CPU: 1 PID: 2392 Comm: syz.4.337 Not tainted 5.15.159-syzkaller-01152-g99ada58989e6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:selinux_ip_postroute+0xeb6/0x1380 security/selinux/hooks.c:5903
Code: fe ff ff e8 ac d3 34 ff e9 a3 fe ff ff e8 a2 d3 34 ff eb 05 e8 9b d3 34 ff 48 c7 c7 00 d2 a0 85 e8 ff b8 a3 02 e9 8c fe ff ff <44> 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 17 f2 ff ff 4c 89 ff e8 d1
RSP: 0018:ffffc900001d05e0 EFLAGS: 00000202
RAX: 0000000000000004 RBX: ffff8881105d6000 RCX: ffff888120383b40
RDX: 0000000000000101 RSI: ffff8881105d6000 RDI: ffff88812a2d48c0
RBP: ffffc900001d0878 R08: ffffffff8413ce34 R09: ffffffff8413ceb1
R10: 0000000000000003 R11: ffff888120383b40 R12: ffff888100185f90
R13: dffffc0000000000 R14: ffff88812a2d48c0 R15: ffffc900001d0710
FS:  00007f8828a4c6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000560c2b666e38 CR3: 0000000126969000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 selinux_ipv6_postroute+0x45/0x50 security/selinux/hooks.c:6050
 nf_hook_entry_hookfn include/linux/netfilter.h:143 [inline]
 nf_hook_slow+0xbe/0x200 net/netfilter/core.c:590
 nf_hook include/linux/netfilter.h:260 [inline]
 NF_HOOK_COND include/linux/netfilter.h:293 [inline]
 ip6_output+0x466/0x4d0 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:finish_task_switch+0x16f/0x7b0 kernel/sched/core.c:5024
Code: 74 08 4c 89 ff e8 41 7e 65 00 49 8b 1f 48 85 db 4c 8b 6d c0 0f 85 ce 00 00 00 4c 89 e7 e8 99 ca 98 03 fb 49 8d 9d 38 0b 00 00 <48> 89 d8 48 c1 e8 03 49 be 00 00 00 00 00 fc ff df 42 0f b6 04 30
RSP: 0018:ffffc90000a57780 EFLAGS: 00000282
RAX: 0000000080000001 RBX: ffff888120384678 RCX: 0000000000000002
RDX: 0000000040000002 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90000a577d0 R08: ffffffff819209f9 R09: fffffbfff0e52e73
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f71378c0
R13: ffff888120383b40 R14: 1ffff1103ee27081 R15: ffff8881f7138408
 context_switch kernel/sched/core.c:5155 [inline]
 __schedule+0xcd4/0x1590 kernel/sched/core.c:6512
 preempt_schedule_irq+0xc7/0x140 kernel/sched/core.c:6916
 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_vfs_ioctl+0x223a/0x2a80 fs/ioctl.c:858
Code: fc ff df 80 3c 08 00 74 08 4c 89 ff e8 9f b3 f2 ff 48 8b 4c 24 70 48 8b 7c 24 18 be 11 00 00 00 4c 89 f2 e8 d8 83 f9 ff 89 c3 <48> c7 44 24 40 0e 36 e0 45 41 c7 45 00 00 00 00 00 41 c7 45 0a 00
RSP: 0018:ffffc90000a57a60 EFLAGS: 00000283
RAX: ffffffff81bff0ae RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc9000536a000 RSI: 000000000000002e RDI: 000000000000002f
RBP: ffffc90000a57e98 R08: ffffffff81bff0a0 R09: ffffed102124cb17
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000003
R13: fffff5200014af54 R14: 0000000000000000 R15: ffff8881236564a8
 __do_sys_ioctl fs/ioctl.c:872 [inline]
 __se_sys_ioctl+0x99/0x190 fs/ioctl.c:860
 __x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:860
 x64_sys_call+0x98/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:17
 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: 0033:0x7f8829dd2ef9
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:00007f8828a4c038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f8829f8af80 RCX: 00007f8829dd2ef9
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000003
RBP: 00007f8829e459f6 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f8829f8af80 R15: 00007ffdcb03aab8
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 2295 Comm: syz.4.319 Not tainted 5.15.159-syzkaller-01152-g99ada58989e6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x1/0x80 kernel/kcov.c:290
Code: 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 08 65 48 8b 0d 30 fc 91 7e 65 8b 05 31 fc 91 7e
RSP: 0018:ffffc90000006ff0 EFLAGS: 00000046
RAX: 1ffff1102263ff8a RBX: 0000000000000080 RCX: ffff88812c6bbb40
RDX: 0000000000010101 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000007250 R08: ffffffff81960b42 R09: ffffc90000007080
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90000007508
R13: 1ffff92000000e08 R14: 0000000000000000 R15: ffff8881131ffcb0
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8829e2f950 CR3: 000000010bd65000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __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:update_stack_state+0x32c/0x460 arch/x86/kernel/unwind_frame.c:233
Code: 4c 89 ef e8 86 ac 7d 00 41 f6 45 00 03 4c 8b 75 b8 74 66 45 31 f6 e9 af 00 00 00 48 8b 45 d0 4c 8d 70 38 4c 89 f0 48 c1 e8 03 <49> bf 00 00 00 00 00 fc ff df 42 80 3c 38 00 74 08 4c 89 f7 e8 eb
RSP: 0018:ffffc900000075b0 EFLAGS: 00000a06
RAX: 1ffff92000000ee7 RBX: ffffc90000007728 RCX: ffffc90000007890
RDX: 1ffff92000000ee2 RSI: ffffc90000007880 RDI: ffffc90000007758
RBP: ffffc90000007668 R08: ffffc900000077e8 R09: 0000000000000000
R10: ffffc900000077f0 R11: dffffc0000000001 R12: 1ffff92000000ee8
R13: 0000000000000000 R14: ffffc90000007738 R15: 0000000000000002
 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 mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:433 [inline]
 __kasan_slab_alloc+0xb1/0xe0 mm/kasan/common.c:466
 kasan_slab_alloc include/linux/kasan.h:217 [inline]
 slab_post_alloc_hook+0x53/0x2c0 mm/slab.h:550
 slab_alloc_node mm/slub.c:3240 [inline]
 slab_alloc mm/slub.c:3248 [inline]
 kmem_cache_alloc+0xf5/0x200 mm/slub.c:3253
 kmem_cache_alloc_node include/linux/slab.h:474 [inline]
 __alloc_skb+0xbe/0x550 net/core/skbuff.c:416
 alloc_skb include/linux/skbuff.h:1183 [inline]
 ndisc_alloc_skb+0xf3/0x2d0 net/ipv6/ndisc.c:421
 ndisc_send_rs+0x26c/0x6a0 net/ipv6/ndisc.c:687
 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:finish_task_switch+0x16f/0x7b0 kernel/sched/core.c:5024
Code: 74 08 4c 89 ff e8 41 7e 65 00 49 8b 1f 48 85 db 4c 8b 6d c0 0f 85 ce 00 00 00 4c 89 e7 e8 99 ca 98 03 fb 49 8d 9d 38 0b 00 00 <48> 89 d8 48 c1 e8 03 49 be 00 00 00 00 00 fc ff df 42 0f b6 04 30
RSP: 0018:ffffc90000a97160 EFLAGS: 00000282
RAX: 0000000080000001 RBX: ffff88812c6bc678 RCX: 0000000000000002
RDX: 0000000040000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90000a971b0 R08: ffffffff819209f9 R09: fffffbfff0e52e73
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f70378c0
R13: ffff88812c6bbb40 R14: 1ffff1103ee07081 R15: ffff8881f7038408
 context_switch kernel/sched/core.c:5155 [inline]
 __schedule+0xcd4/0x1590 kernel/sched/core.c:6512
 preempt_schedule_irq+0xc7/0x140 kernel/sched/core.c:6916
 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:free_pages_and_swap_cache+0x5e/0xa0 mm/swap_state.c:319
Code: ff ff ff 31 db 49 bd 00 00 00 00 00 fc ff df 49 8d 3c 1c 48 89 f8 48 c1 e8 03 42 80 3c 28 00 74 05 e8 46 d3 02 00 49 8b 3c 1c <e8> 7d fc ff ff 49 39 df 74 0b e8 53 8c c0 ff 48 83 c3 08 eb d0 e8
RSP: 0018:ffffc90000a97440 EFLAGS: 00000246
RAX: 1ffff110229e4c02 RBX: 0000000000000000 RCX: ffff88812c6bbb40
RDX: ffff88812c6bbb40 RSI: 00000000000001fe RDI: ffffea0004b0f1c0
RBP: ffffc90000a97468 R08: ffffffff81afe067 R09: fffffbfff0e4ad20
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888114f26010
R13: dffffc0000000000 R14: 00000000000001fe R15: 0000000000000fe8
 tlb_batch_pages_flush mm/mmu_gather.c:49 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:240 [inline]
 tlb_flush_mmu+0xd0/0x180 mm/mmu_gather.c:247
 zap_pte_range mm/memory.c:1510 [inline]
 zap_pmd_range mm/memory.c:1559 [inline]
 zap_pud_range mm/memory.c:1588 [inline]
 zap_p4d_range mm/memory.c:1609 [inline]
 unmap_page_range+0x1c70/0x1ed0 mm/memory.c:1630
 unmap_single_vma mm/memory.c:1675 [inline]
 unmap_vmas+0x389/0x560 mm/memory.c:1707
 exit_mmap+0x3e4/0x940 mm/mmap.c:3215
 __mmput+0x95/0x310 kernel/fork.c:1179
 mmput+0x5b/0x170 kernel/fork.c:1202
 exit_mm kernel/exit.c:552 [inline]
 do_exit+0xb9c/0x2ca0 kernel/exit.c:865
 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: 0033:0x7f9a3524aef9
Code: Unable to access opcode bytes at RIP 0x7f9a3524aecf.
RSP: 002b:00007f9a33ec4038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 00007f9a35402f80 RCX: 00007f9a3524aef9
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000003
RBP: 00007f9a352bd9f6 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f9a35402f80 R15: 00007fffaeb253b8
 </TASK>