watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz.4.1793:6105]
Modules linked in:
CPU: 1 PID: 6105 Comm: syz.4.1793 Tainted: G        W         5.4.274-syzkaller-00002-g6f97bd951d82 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:ip6t_do_table+0x0/0x1800 net/ipv6/netfilter/ip6_tables.c:253
Code: e8 15 d1 b0 fd e9 ee fb ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 00 fc ff ff 48 89 df e8 f8 d0 b0 fd e9 f3 fb ff ff 0f 1f 00 <55> 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec c0 01
RSP: 0018:ffff8881f6f09940 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 1ffff1103ba059d6 RBX: ffff8881dd02ceb0 RCX: 0000000000000102
RDX: ffff8881f34d8500 RSI: ffff8881f6f09b00 RDI: ffff8881e43fa280
RBP: 1ffff1103ede1364 R08: ffffffff83e41e46 R09: ffffffff83997250
R10: ffff8881eeb68fc0 R11: 0000000000000003 R12: ffff8881e43fa280
R13: ffff8881f6f09b20 R14: dffffc0000000000 R15: ffff8881f6f09b00
FS:  00007f62bffff6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f62bffded58 CR3: 00000001ea44f000 CR4: 00000000003406a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 ip6t_mangle_out net/ipv6/netfilter/ip6table_mangle.c:52 [inline]
 ip6table_mangle_hook+0x24b/0x750 net/ipv6/netfilter/ip6table_mangle.c:74
 nf_hook_entry_hookfn include/linux/netfilter.h:136 [inline]
 nf_hook_slow+0xae/0x1e0 net/netfilter/core.c:507
 nf_hook include/linux/netfilter.h:258 [inline]
 NF_HOOK include/linux/netfilter.h:301 [inline]
 ndisc_send_skb+0xbd7/0xc30 net/ipv6/ndisc.c:509
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3953
 call_timer_fn+0x36/0x390 kernel/time/timer.c:1448
 expire_timers kernel/time/timer.c:1493 [inline]
 __run_timers+0x879/0xbe0 kernel/time/timer.c:1817
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1830
 __do_softirq+0x23b/0x6b7 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x195/0x1c0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:538 [inline]
 smp_apic_timer_interrupt+0x11a/0x460 arch/x86/kernel/apic/apic.c:1149
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:834
 </IRQ>
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x45/0x60 kernel/locking/spinlock.c:199
Code: 08 00 74 0c 48 c7 c7 90 3b eb 85 e8 75 12 43 fd 48 83 3d cd 2c 9a 01 00 74 29 48 89 df e8 e3 e7 fa fc 66 90 fb bf 01 00 00 00 <e8> 66 d4 f3 fc 65 8b 05 ab 7e b1 7b 85 c0 74 02 5b c3 e8 34 45 af
RSP: 0018:ffff8881ef23fc30 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000001 RBX: ffff8881f6f57b40 RCX: dffffc0000000000
RDX: 0000000040000002 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffff8881ef23fc90 R08: ffffffff81799989 R09: fffffbfff0c96e5b
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f6f57b40
R13: ffff8881eeb68fc0 R14: dffffc0000000000 R15: 0000000000000000
 finish_lock_switch kernel/sched/core.c:3347 [inline]
 finish_task_switch+0x130/0x590 kernel/sched/core.c:3447
 context_switch kernel/sched/core.c:3611 [inline]
 __schedule+0xb0d/0x1320 kernel/sched/core.c:4307
 preempt_schedule_irq+0xc7/0x140 kernel/sched/core.c:4558
 retint_kernel+0x1b/0x1b
RIP: 0010:exit_to_usermode_loop+0x20/0x1a0 arch/x86/entry/common.c:148
Code: 2e 0f 1f 84 00 00 00 00 00 90 41 57 41 56 41 54 53 41 89 f7 49 89 fe 49 bc 00 00 00 00 00 fc ff df e8 a4 d2 63 00 fb 44 89 fe <83> e6 08 31 ff e8 86 d5 63 00 44 89 f8 83 e0 08 75 07 e8 89 d2 63
RSP: 0000:ffff8881ef23fef0 EFLAGS: 00000283 ORIG_RAX: ffffffffffffff09
RAX: ffffffff8100697c RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc90003759000 RSI: 0000000000000008 RDI: 00000000000085d5
RBP: 0000000000000008 R08: ffffffff810067f2 R09: ffffed103dd6d1f9
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff1103dd6d1f8 R14: ffff8881ef23ff58 R15: 0000000000000008
 prepare_exit_to_usermode+0x199/0x200 arch/x86/entry/common.c:194
 ret_from_intr+0x1c/0x1c
RIP: 0033:0x7f62c0d9eb29
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:00007f62bffff048 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 00007f62c0f2d070 RCX: 00007f62c0d9eb29
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000005
RBP: 00007f62c0e1f756 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f62c0f2d070 R15: 00007ffd638324d8
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5817 Comm: syz.0.1722 Tainted: G        W         5.4.274-syzkaller-00002-g6f97bd951d82 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x0/0x70 kernel/kcov.c:282
Code: 28 4c 39 d0 77 cf 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 c3 90 <4c> 8b 04 24 65 48 8b 15 f4 4d 9e 7e 65 8b 05 f9 4d 9e 7e a9 00 01
RSP: 0018:ffff8881f6e09350 EFLAGS: 00000046
RAX: 0000000000010101 RBX: 00000057b4adf262 RCX: ffff8881e5b5ee40
RDX: ffff8881e5b5ee40 RSI: 00000057b4ae1972 RDI: 0000000000000000
RBP: 00000057b4ae1972 R08: ffffffff8154e18d R09: ffffed103edca9b7
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000002710
R13: ffff8881e22cb970 R14: ffff8881e22cb978 R15: 1ffff1103c45972f
FS:  00007f0aa2bca6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0aa3948aff CR3: 00000001ece6b000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 ktime_add_safe kernel/time/hrtimer.c:331 [inline]
 hrtimer_add_expires include/linux/hrtimer.h:269 [inline]
 hrtimer_forward+0x192/0x2c0 kernel/time/hrtimer.c:965
 hrtimer_forward_now include/linux/hrtimer.h:503 [inline]
 perf_swevent_hrtimer+0x4b8/0x560 kernel/events/core.c:9693
 __run_hrtimer kernel/time/hrtimer.c:1581 [inline]
 __hrtimer_run_queues+0x3e9/0xb90 kernel/time/hrtimer.c:1643
 hrtimer_interrupt+0x38a/0x890 kernel/time/hrtimer.c:1705
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1122 [inline]
 smp_apic_timer_interrupt+0x110/0x460 arch/x86/kernel/apic/apic.c:1147
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:834
RIP: 0010:icmp6_dst_alloc+0x1b8/0x550 net/ipv6/route.c:3190
Code: 48 89 5c 24 38 48 8b 1b 48 8d 7b 14 be 04 00 00 00 e8 2c 3a bc fd f0 ff 43 14 49 8d 7e 38 48 89 f8 48 c1 e8 03 42 0f b6 04 20 <84> c0 0f 85 2a 03 00 00 41 80 4f 38 01 49 8d 7e 28 48 89 f8 48 c1
RSP: 0018:ffff8881f6e099c0 EFLAGS: 00000a02 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: ffff8881e5eb94c0 RCX: ffffffff83d7ba74
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff8881e84da8f8
RBP: ffff8881ed798000 R08: dffffc0000000000 R09: ffffed103cbd729b
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8881dc89f000 R14: ffff8881e84da8c0 R15: ffff8881e84da8c0
 ndisc_send_skb+0x262/0xc30 net/ipv6/ndisc.c:489
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3953
 call_timer_fn+0x36/0x390 kernel/time/timer.c:1448
 expire_timers kernel/time/timer.c:1493 [inline]
 __run_timers+0x879/0xbe0 kernel/time/timer.c:1817
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1830
 __do_softirq+0x23b/0x6b7 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x195/0x1c0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:538 [inline]
 smp_apic_timer_interrupt+0x11a/0x460 arch/x86/kernel/apic/apic.c:1149
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:834
 </IRQ>
RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline]
RIP: 0010:preempt_latency_start kernel/sched/core.c:3996 [inline]
RIP: 0010:preempt_count_add+0x9d/0x180 kernel/sched/core.c:4019
Code: 8b 05 53 ab bd 7e 25 ff ff ff 7f 39 d8 75 43 4c 8b 74 24 18 4c 89 f7 e8 91 0c 07 00 85 c0 74 0a 45 31 f6 31 ff e8 83 0c 07 00 <65> 48 8b 1d 1b ab bd 7e 48 81 c3 78 09 00 00 48 89 d8 48 c1 e8 03
RSP: 0018:ffff8881d65ff0c0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff84511c00
RDX: 0000000000000000 RSI: 0000000000000040 RDI: ffffffff812fbfcc
RBP: ffff8881d65ff3d0 R08: ffffffff8153b472 R09: ffff8881d65ff430
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1103acbfe7c
R13: ffffffff810068f9 R14: ffffffff812fbfcc R15: dffffc0000000000
 unwind_next_frame+0x17c/0x1ea0 arch/x86/kernel/unwind_orc.c:423
 arch_stack_walk+0x111/0x140 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x118/0x1c0 kernel/stacktrace.c:123
 save_stack mm/kasan/common.c:70 [inline]
 set_track mm/kasan/common.c:78 [inline]
 kasan_set_free_info mm/kasan/common.c:345 [inline]
 __kasan_slab_free+0x1b5/0x270 mm/kasan/common.c:487
 slab_free_hook mm/slub.c:1455 [inline]
 slab_free_freelist_hook mm/slub.c:1494 [inline]
 slab_free mm/slub.c:3080 [inline]
 kmem_cache_free+0x10b/0x2c0 mm/slub.c:3096
 anon_vma_chain_free mm/rmap.c:136 [inline]
 unlink_anon_vmas+0x563/0x590 mm/rmap.c:424
 free_pgtables+0x12d/0x280 mm/memory.c:427
 exit_mmap+0x2cb/0x520 mm/mmap.c:3192
 __mmput+0x8e/0x2c0 kernel/fork.c:1101
 exit_mm kernel/exit.c:536 [inline]
 do_exit+0xc08/0x2bc0 kernel/exit.c:846
 do_group_exit+0x138/0x300 kernel/exit.c:982
 get_signal+0xdb1/0x1440 kernel/signal.c:2735
 do_signal+0xb0/0x11f0 arch/x86/kernel/signal.c:809
 exit_to_usermode_loop+0xc0/0x1a0 arch/x86/entry/common.c:159
 prepare_exit_to_usermode+0x199/0x200 arch/x86/entry/common.c:194
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1
RIP: 0033:0x7f0aa3948b29
Code: Bad RIP value.
RSP: 002b:00007f0aa2bca048 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 00007f0aa3ad6fa0 RCX: 00007f0aa3948b29
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000004
RBP: 00007f0aa39c9756 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f0aa3ad6fa0 R15: 00007ffd0d4a0b18