watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz-executor.2:4554]
Modules linked in:
CPU: 0 PID: 4554 Comm: syz-executor.2 Not tainted 5.4.274-syzkaller-00002-g6f97bd951d82 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:__orc_find arch/x86/kernel/unwind_orc.c:47 [inline]
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:175 [inline]
RIP: 0010:unwind_next_frame+0x5d9/0x1ea0 arch/x86/kernel/unwind_orc.c:438
Code: 89 e7 e8 2a 5d 64 00 48 8b 84 24 80 01 00 00 e9 8e 08 00 00 a9 00 04 00 00 0f 84 1e 12 00 00 e9 41 12 00 00 49 89 d6 49 89 d5 <4c> 89 f8 4c 29 e8 48 89 c1 48 c1 f9 02 48 c1 e8 3f 48 01 c8 48 83
RSP: 0018:ffff8881f6e08de0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffffffff8675fc28 RBX: ffffffff8675fc2c RCX: ffffffff8675fc30
RDX: ffffffff8675fc20 RSI: ffffffff86b34708 RDI: 0000000000000001
RBP: ffff8881f6e090d0 R08: 0000000000000007 R09: ffff8881f6e09130
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff84602529
R13: ffffffff8675fc20 R14: ffffffff8675fc20 R15: ffffffff8675fc28
FS:  00007fec560956c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555663c818 CR3: 00000001e51de000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 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]
 kfree+0x123/0x370 mm/slub.c:4071
 skb_release_all net/core/skbuff.c:675 [inline]
 __kfree_skb net/core/skbuff.c:689 [inline]
 consume_skb+0xa5/0x2a0 net/core/skbuff.c:849
 dummy_xmit+0x157/0x1d0 drivers/net/dummy.c:91
 __netdev_start_xmit include/linux/netdevice.h:4538 [inline]
 netdev_start_xmit include/linux/netdevice.h:4552 [inline]
 xmit_one net/core/dev.c:3221 [inline]
 dev_hard_start_xmit+0x1b7/0x6b0 net/core/dev.c:3237
 __dev_queue_xmit+0x14da/0x27e0 net/core/dev.c:3802
 neigh_hh_output include/net/neighbour.h:502 [inline]
 neigh_output include/net/neighbour.h:516 [inline]
 ip6_finish_output2+0xf67/0x18e0 net/ipv6/ip6_output.c:144
 NF_HOOK_COND include/linux/netfilter.h:292 [inline]
 ip6_output+0x1b3/0x430 net/ipv6/ip6_output.c:248
 dst_output include/net/dst.h:438 [inline]
 NF_HOOK include/linux/netfilter.h:303 [inline]
 ndisc_send_skb+0x702/0xc30 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:ffff8881ed65f6b0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000001 RBX: ffff8881f6e57b40 RCX: dffffc0000000000
RDX: 0000000040000002 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffff8881ed65f710 R08: ffffffff81799989 R09: fffffbfff0c96e5b
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f6e57b40
R13: ffff8881e2129f80 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:unix_dgram_recvmsg+0x296/0x1120 net/unix/af_unix.c:2139
Code: 24 24 31 d2 48 8d 8c 24 40 01 00 00 4c 8d 84 24 50 01 00 00 4c 8d 8c 24 00 01 00 00 e8 43 41 aa ff 48 85 c0 0f 85 3a 01 00 00 <48> 8b 7c 24 70 e8 70 65 7f 00 49 bf 00 00 00 00 00 fc ff df 48 8b
RSP: 0018:ffff8881ed65f960 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00000000ed65fa03
RDX: ffffc90004560000 RSI: 000000000003ffff RDI: ffff8881ed65f8e0
RBP: ffff8881ed65fb10 R08: ffffffff837b41a1 R09: ffff8881ed65f8e0
R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff8881ed65fa80
R13: 1ffff1103dacbf50 R14: 1ffff1103dacbf4c R15: dffffc0000000000
 ____sys_recvmsg net/socket.c:2538 [inline]
 ___sys_recvmsg+0x6a7/0xa60 net/socket.c:2579
 __sys_recvmsg net/socket.c:2626 [inline]
 __do_sys_recvmsg net/socket.c:2636 [inline]
 __se_sys_recvmsg net/socket.c:2633 [inline]
 __x64_sys_recvmsg+0x1f4/0x2c0 net/socket.c:2633
 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1
RIP: 0033:0x7fec56d1b0a9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fec560950c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002f
RAX: ffffffffffffffda RBX: 00007fec56e51f80 RCX: 00007fec56d1b0a9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000007
RBP: 00007fec56d8a074 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fec56e51f80 R15: 00007ffd2e0a3878
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 2002 Comm: syz-executor.0 Not tainted 5.4.274-syzkaller-00002-g6f97bd951d82 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:arch_static_branch arch/x86/include/asm/msr.h:105 [inline]
RIP: 0010:static_key_false include/linux/jump_label.h:200 [inline]
RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:164 [inline]
RIP: 0010:wrmsr arch/x86/include/asm/msr.h:275 [inline]
RIP: 0010:native_apic_msr_write+0x35/0x50 arch/x86/include/asm/apic.h:207
Code: 74 2d 83 ff 30 74 28 eb 10 81 ff d0 00 00 00 74 1e 81 ff e0 00 00 00 74 16 c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <0f> 1f 44 00 00 c3 89 f6 31 d2 e9 ac 30 1a 01 66 66 2e 0f 1f 84 00
RSP: 0018:ffff8881f6f095c8 EFLAGS: 00000046
RAX: 000000000000009d RBX: ffffffff856321e0 RCX: 0000000000000838
RDX: 0000000000000000 RSI: 000000000000009d RDI: 0000000000000838
RBP: 000000000000009d R08: ffffffff8157c22b R09: ffffffff8157c1b7
R10: ffff8881e61ede80 R11: 0000000000000002 R12: dffffc0000000000
R13: 0000000000000002 R14: 000000000000009d R15: dffffc0000000000
FS:  00007f97090166c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9709c9c07f CR3: 00000001dafc0000 CR4: 00000000003406a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 apic_write arch/x86/include/asm/apic.h:395 [inline]
 lapic_next_event+0x5b/0x70 arch/x86/kernel/apic/apic.c:466
 clockevents_program_event+0x199/0x2c0 kernel/time/clockevents.c:334
 hrtimer_interrupt+0x4b3/0x890 kernel/time/hrtimer.c:1718
 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:preempt_count arch/x86/include/asm/preempt.h:26 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:153 [inline]
RIP: 0010:write_comp_data kernel/kcov.c:208 [inline]
RIP: 0010:__sanitizer_cov_trace_const_cmp4+0xc/0x70 kernel/kcov.c:274
Code: 44 0a 08 03 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 05 64 4e 9e 7e <65> 8b 0d 69 4e 9e 7e f7 c1 00 01 1f 00 74 01 c3 8b 88 00 0a 00 00
RSP: 0018:ffff8881f6f09800 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: ffff8881e61ede80 RBX: ffff8881f6f09940 RCX: 0000000000000101
RDX: ffff8881f6f0994c RSI: 0000000000000000 RDI: 0000000000000000
RBP: 1ffff1103ede1329 R08: ffffffff8153b3af R09: ffff8881f6f098b0
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1103ede1329
R13: 0000000000000000 R14: 0000000000000000 R15: 1ffff1103ede132a
 stack_trace_consume_entry+0x9f/0x240 kernel/stacktrace.c:89
 arch_stack_walk+0x105/0x140 arch/x86/kernel/stacktrace.c:27
 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]
 kfree+0x123/0x370 mm/slub.c:4071
 skb_release_all net/core/skbuff.c:675 [inline]
 __kfree_skb net/core/skbuff.c:689 [inline]
 kfree_skb+0xb8/0x3c0 net/core/skbuff.c:708
 inet_frag_rbtree_purge net/ipv4/inet_fragment.c:246 [inline]
 inet_frag_destroy+0x134/0x230 net/ipv4/inet_fragment.c:266
 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:preempt_schedule_irq+0xc2/0x140 kernel/sched/core.c:4558
Code: 4c 89 e7 e8 90 e1 43 fd f6 44 24 21 02 74 0b 0f 0b 48 f7 03 08 00 00 00 74 4d bf 01 00 00 00 e8 04 a2 f4 fc fb bf 01 00 00 00 <e8> b9 e6 ff ff fa bf 01 00 00 00 e8 6e a3 f4 fc 65 48 8b 1d a6 4d
RSP: 0018:ffff8881e11c72a0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 1ffff1103cc3dcff RBX: 1ffff1103c238e58 RCX: ffffffff84511c00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffff8881e11c7328 R08: ffffffff82316d59 R09: ffffed103edeb135
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881e11c72c0
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff1103c238e54
 retint_kernel+0x1b/0x1b
RIP: 0010:arch_stack_walk+0xed/0x140 arch/x86/kernel/stacktrace.c:26
Code: 0b 00 00 eb 03 48 89 e9 48 8d bd 70 ff ff ff 4c 89 e6 4c 89 fa e8 b3 0a 06 00 83 bd 70 ff ff ff 00 74 34 48 8d 9d 70 ff ff ff <48> 89 df e8 cb e6 05 00 48 85 c0 74 20 4c 89 f7 48 89 c6 31 d2 41
RSP: 0018:ffff8881e11c73e0 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000001 RBX: ffff8881e11c73e0 RCX: 29ea6a48fdbee100
RDX: ffff8881e11c7420 RSI: ffff8881e11c7060 RDI: 0000000000000001
RBP: ffff8881e11c7470 R08: dffffc0000000000 R09: ffff8881e11c7430
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881e61ede80
R13: ffffffff8153b310 R14: ffff8881e11c74c0 R15: 0000000000000000
 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+0x1c8/0x280 mm/memory.c:413
 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: 0033:0x7f9709c9c0a9
Code: Bad RIP value.
RSP: 002b:00007f97090160c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: 000000000000000a RBX: 00007f9709dd2f80 RCX: 00007f9709c9c0a9
RDX: 000000000000275a RSI: 00000000200001c0 RDI: ffffffffffffff9c
RBP: 00007f9709d0b074 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f9709dd2f80 R15: 00007fffc17dacd8