watchdog: BUG: soft lockup - CPU#0 stuck for 246s! [syz-executor.3:500]
Modules linked in:
CPU: 0 PID: 500 Comm: syz-executor.3 Not tainted 6.1.78-syzkaller-00016-gbda57805ab9f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:unwind_get_return_address+0x1/0x90 arch/x86/kernel/unwind_frame.c:15
Code: c3 48 c7 c1 00 14 ee 86 80 e1 07 80 c1 03 38 c1 7c af 48 c7 c7 00 14 ee 86 e8 2b c8 84 00 eb a1 cc cc cc cc cc cc cc cc cc 55 <48> 89 e5 41 57 41 56 53 48 89 fb 49 be 00 00 00 00 00 fc ff df 48
RSP: 0018:ffffc90000007690 EFLAGS: 00000202
RAX: 0000000000007601 RBX: ffffc900000076a0 RCX: 0000000000007601
RDX: 1ffff92000000ed6 RSI: ffffc9000a1ffb50 RDI: ffffc900000076a0
RBP: ffffc90000007730 R08: ffffc90000007788 R09: 000000000000001d
R10: ffffc90000007790 R11: dffffc0000000001 R12: ffff888114a85100
R13: ffffffff816594e0 R14: ffffc90000007780 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30230000 CR3: 0000000006e0f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
 kasan_save_alloc_info+0x1f/0x30 mm/kasan/generic.c:505
 __kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:333
 kasan_slab_alloc include/linux/kasan.h:202 [inline]
 slab_post_alloc_hook+0x53/0x2c0 mm/slab.h:768
 slab_alloc_node mm/slub.c:3421 [inline]
 kmem_cache_alloc_node+0x18a/0x2d0 mm/slub.c:3466
 __alloc_skb+0xcc/0x2d0 net/core/skbuff.c:505
 alloc_skb include/linux/skbuff.h:1283 [inline]
 ndisc_alloc_skb+0xf3/0x2d0 net/ipv6/ndisc.c:422
 ndisc_send_rs+0x264/0x5f0 net/ipv6/ndisc.c:703
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3968
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1480
 expire_timers kernel/time/timer.c:1525 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1796
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1809
 __do_softirq+0x1d8/0x661 kernel/softirq.c:617
 invoke_softirq kernel/softirq.c:472 [inline]
 __irq_exit_rcu+0x50/0xf0 kernel/softirq.c:700
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:712
 sysvec_apic_timer_interrupt+0x9a/0xc0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:preempt_schedule_irq+0xc2/0x140 kernel/sched/core.c:7056
Code: 4c 89 e7 e8 d0 e0 bd 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 c4 50 fc fb bf 01 00 00 00 <e8> a9 e4 ff ff fa bf 01 00 00 00 e8 be c5 50 fc 65 48 8b 1d f6 dc
RSP: 0018:ffffc9000a1ff160 EFLAGS: 00000246
RAX: 1ffff11022950b79 RBX: 1ffff9200143fe30 RCX: ffffffff85007800
RDX: 1ffff11022950a25 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc9000a1ff1f8 R08: ffffffff8792e000 R09: ffffffff8792e008
R10: ffffffff8792e018 R11: ffffffff8792e010 R12: ffffc9000a1ff180
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff9200143fe2c
 raw_irqentry_exit_cond_resched+0x2a/0x30 kernel/entry/common.c:390
 irqentry_exit+0x30/0x40 kernel/entry/common.c:433
 common_interrupt+0x65/0xd0 arch/x86/kernel/irq.c:240
 asm_common_interrupt+0x27/0x40 arch/x86/include/asm/idtentry.h:644
RIP: 0010:__raw_spin_unlock include/linux/spinlock_api_smp.h:143 [inline]
RIP: 0010:_raw_spin_unlock+0x5f/0x70 kernel/locking/spinlock.c:186
Code: 01 00 74 28 48 89 df e8 e3 0f 00 00 90 bf 01 00 00 00 e8 64 13 4f fc 65 8b 05 a5 2a 02 7b 85 c0 74 03 5b 5d c3 e8 c5 3c 00 fc <eb> f6 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 55 48 89 e5 41
RSP: 0018:ffffc9000a1ff308 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffea0004bfd0e8 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc9000a1ff310 R08: ffffffff81b041fe R09: ffffed1025ece41f
R10: 0000000000000000 R11: dffffc0000000001 R12: 00007f15d7d1d000
R13: ffffc9000a1ff630 R14: dffffc0000000000 R15: 00007f15d7dfb000
 spin_unlock include/linux/spinlock.h:390 [inline]
 zap_pte_range mm/memory.c:1527 [inline]
 zap_pmd_range mm/memory.c:1586 [inline]
 zap_pud_range mm/memory.c:1615 [inline]
 zap_p4d_range mm/memory.c:1636 [inline]
 unmap_page_range+0xaae/0x2480 mm/memory.c:1657
 unmap_single_vma mm/memory.c:1703 [inline]
 unmap_vmas+0x4e4/0x660 mm/memory.c:1743
 exit_mmap+0x2d1/0x940 mm/mmap.c:3336
 __mmput+0x95/0x310 kernel/fork.c:1298
 mmput+0x56/0x170 kernel/fork.c:1321
 exit_mm kernel/exit.c:566 [inline]
 do_exit+0xb29/0x2b80 kernel/exit.c:862
 do_group_exit+0x21a/0x2d0 kernel/exit.c:1025
 get_signal+0x169d/0x1820 kernel/signal.c:2880
 arch_do_signal_or_restart+0xb0/0x16f0 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x74/0xa0 kernel/entry/common.c:168
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:204
 irqentry_exit_to_user_mode+0x9/0x20 kernel/entry/common.c:310
 irqentry_exit+0x12/0x40 kernel/entry/common.c:413
 sysvec_apic_timer_interrupt+0x55/0xc0 arch/x86/kernel/apic/apic.c:1106
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0033:0x7f15d867cf29
Code: Unable to access opcode bytes at 0x7f15d867ceff.
RSP: 002b:00007f15d79f70c8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007f15d87b3f80 RCX: 00007f15d867cf29
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000004
RBP: 00007f15d86ec074 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f15d87b3f80 R15: 00007fff16944de8
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 37 Comm: kworker/u4:2 Not tainted 6.1.78-syzkaller-00016-gbda57805ab9f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:csd_lock_wait kernel/smp.c:453 [inline]
RIP: 0010:smp_call_function_many_cond+0x851/0x930 kernel/smp.c:998
Code: 3e 44 89 fe 83 e6 01 31 ff e8 4b 9f 09 00 41 83 e7 01 49 bf 00 00 00 00 00 fc ff df 75 0a e8 86 9b 09 00 e9 2f ff ff ff f3 90 <42> 0f b6 04 3b 84 c0 75 14 41 f7 06 01 00 00 00 0f 84 12 ff ff ff
RSP: 0018:ffffc9000026f840 EFLAGS: 00000293
RAX: ffffffff816bd89c RBX: 1ffff1103ee07919 RCX: ffff888100835100
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000026f958 R08: ffffffff816bd865 R09: ffffed103ee2707b
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000800000000 R14: ffff8881f703c8c8 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc70d20e18 CR3: 0000000006e0f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 on_each_cpu_cond_mask+0x40/0x80 kernel/smp.c:1166
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:1329 [inline]
 text_poke_bp_batch+0x1e9/0x730 arch/x86/kernel/alternative.c:1529
 text_poke_flush arch/x86/kernel/alternative.c:1720 [inline]
 text_poke_finish+0x1a/0x30 arch/x86/kernel/alternative.c:1727
 arch_jump_label_transform_apply+0x15/0x30 arch/x86/kernel/jump_label.c:146
 __jump_label_update+0x36a/0x380 kernel/jump_label.c:455
 jump_label_update+0x3af/0x450 kernel/jump_label.c:801
 static_key_enable_cpuslocked+0x12f/0x250 kernel/jump_label.c:177
 static_key_enable+0x1a/0x30 kernel/jump_label.c:190
 toggle_allocation_gate+0xbf/0x450 mm/kfence/core.c:804
 process_one_work+0x73d/0xcb0 kernel/workqueue.c:2299
 worker_thread+0xa60/0x1260 kernel/workqueue.c:2446
 kthread+0x26d/0x300 kernel/kthread.c:386
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>
NMI backtrace for cpu 1
CPU: 1 PID: 500 Comm: syz-executor.3 Tainted: G             L     6.1.78-syzkaller-00016-gbda57805ab9f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:native_apic_msr_eoi_write+0xf/0x20 arch/x86/include/asm/apic.h:211
Code: bf f0 03 00 00 44 89 f6 ff 13 5b 41 5e 41 5f 5d c3 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 b9 0b 08 00 00 31 c0 31 d2 0f 30 <5d> c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 81
RSP: 0018:ffffc900001b0808 EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffffffff8650da20 RCX: 000000000000080b
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000b0
RBP: ffffc900001b0808 R08: ffffffff8792e040 R09: ffffffff8792e048
R10: ffffffff8792e058 R11: ffffffff8792e050 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c0020eb030 CR3: 000000011f512000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 apic_eoi arch/x86/include/asm/apic.h:398 [inline]
 ack_APIC_irq arch/x86/include/asm/apic.h:444 [inline]
 __sysvec_irq_work+0x55/0x1b0 arch/x86/kernel/irq_work.c:19
 sysvec_irq_work+0x41/0xb0 arch/x86/kernel/irq_work.c:17
 asm_sysvec_irq_work+0x1b/0x20 arch/x86/include/asm/idtentry.h:679
RIP: 0010:kasan_set_track+0x63/0x70 mm/kasan/common.c:53
Code: 2f 00 00 4c 89 ff be 40 00 00 00 31 d2 e8 25 4f a9 ff 4c 89 ff 89 c6 31 d2 44 89 f1 41 b8 01 00 00 00 e8 e0 ec e3 00 89 43 04 <48> 8d 65 e8 5b 41 5e 41 5f 5d c3 66 90 55 48 89 e5 65 48 8b 05 94
RSP: 0018:ffffc900001b0900 EFLAGS: 00000282
RAX: 0000000006fa00dd RBX: ffff88812ff696c8 RCX: 6f17258870a8c800
RDX: ffffc900001b0948 RSI: 0000000077fbba1e RDI: 0000000000000001
RBP: ffffc900001b0b30 R08: 0000000000000800 R09: 0000000000000000
R10: 000000000000000a R11: dffffc0000000001 R12: 0000000000000000
R13: ffffffff814c5066 R14: 0000000000000800 R15: ffffc900001b0900
 kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:516
 ____kasan_slab_free+0x131/0x180 mm/kasan/common.c:241
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:249
 kasan_slab_free include/linux/kasan.h:178 [inline]
 slab_free_hook mm/slub.c:1745 [inline]
 slab_free_freelist_hook mm/slub.c:1771 [inline]
 slab_free mm/slub.c:3684 [inline]
 kmem_cache_free+0x291/0x510 mm/slub.c:3706
 put_pid kernel/pid.c:114 [inline]
 delayed_put_pid+0xb6/0x120 kernel/pid.c:123
 rcu_do_batch+0x518/0xb70 kernel/rcu/tree.c:2296
 rcu_core+0x4ee/0xf10 kernel/rcu/tree.c:2556
 rcu_core_si+0x9/0x10 kernel/rcu/tree.c:2573
 __do_softirq+0x1d8/0x661 kernel/softirq.c:617
 invoke_softirq kernel/softirq.c:472 [inline]
 __irq_exit_rcu+0x50/0xf0 kernel/softirq.c:700
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:712
 sysvec_apic_timer_interrupt+0x9a/0xc0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:finish_task_switch+0x16f/0x7b0 kernel/sched/core.c:5295
Code: 74 08 4c 89 ff e8 81 37 6c 00 49 8b 1f 48 85 db 4c 8b 6d c0 0f 85 ce 00 00 00 4c 89 e7 e8 d9 08 b0 03 fb 49 8d 9d 48 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:ffffc9000a1fefe0 EFLAGS: 00000282
RAX: 0000000080000001 RBX: ffff888114a85c48 RCX: 0000000000000002
RDX: 0000000040000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc9000a1ff030 R08: ffffffff819b1f60 R09: fffffbfff0ede2ff
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f7137080
R13: ffff888114a85100 R14: 1ffff1103ee26f7c R15: ffff8881f7137be0
 context_switch kernel/sched/core.c:5421 [inline]
 __schedule+0xcaf/0x1550 kernel/sched/core.c:6744
 preempt_schedule_irq+0xc7/0x140 kernel/sched/core.c:7056
 raw_irqentry_exit_cond_resched+0x2a/0x30 kernel/entry/common.c:390
 irqentry_exit+0x30/0x40 kernel/entry/common.c:433
 common_interrupt+0x65/0xd0 arch/x86/kernel/irq.c:240
 asm_common_interrupt+0x27/0x40 arch/x86/include/asm/idtentry.h:644
RIP: 0010:__raw_spin_unlock include/linux/spinlock_api_smp.h:143 [inline]
RIP: 0010:_raw_spin_unlock+0x5f/0x70 kernel/locking/spinlock.c:186
Code: 01 00 74 28 48 89 df e8 e3 0f 00 00 90 bf 01 00 00 00 e8 64 13 4f fc 65 8b 05 a5 2a 02 7b 85 c0 74 03 5b 5d c3 e8 c5 3c 00 fc <eb> f6 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 55 48 89 e5 41
RSP: 0018:ffffc9000a1ff308 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffea0004bfd0e8 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc9000a1ff310 R08: ffffffff81b041fe R09: ffffed1025ece41f
R10: 0000000000000000 R11: dffffc0000000001 R12: 00007f15d7d1d000
R13: ffffc9000a1ff630 R14: dffffc0000000000 R15: 00007f15d7dfb000
 spin_unlock include/linux/spinlock.h:390 [inline]
 zap_pte_range mm/memory.c:1527 [inline]
 zap_pmd_range mm/memory.c:1586 [inline]
 zap_pud_range mm/memory.c:1615 [inline]
 zap_p4d_range mm/memory.c:1636 [inline]
 unmap_page_range+0xaae/0x2480 mm/memory.c:1657
 unmap_single_vma mm/memory.c:1703 [inline]
 unmap_vmas+0x4e4/0x660 mm/memory.c:1743
 exit_mmap+0x2d1/0x940 mm/mmap.c:3336
 __mmput+0x95/0x310 kernel/fork.c:1298
 mmput+0x56/0x170 kernel/fork.c:1321
 exit_mm kernel/exit.c:566 [inline]
 do_exit+0xb29/0x2b80 kernel/exit.c:862
 do_group_exit+0x21a/0x2d0 kernel/exit.c:1025
 get_signal+0x169d/0x1820 kernel/signal.c:2880
 arch_do_signal_or_restart+0xb0/0x16f0 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x74/0xa0 kernel/entry/common.c:168
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:204
 irqentry_exit_to_user_mode+0x9/0x20 kernel/entry/common.c:310
 irqentry_exit+0x12/0x40 kernel/entry/common.c:413
 sysvec_apic_timer_interrupt+0x55/0xc0 arch/x86/kernel/apic/apic.c:1106
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0033:0x7f15d867cf29
Code: Unable to access opcode bytes at 0x7f15d867ceff.
RSP: 002b:00007f15d79f70c8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007f15d87b3f80 RCX: 00007f15d867cf29
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000004
RBP: 00007f15d86ec074 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f15d87b3f80 R15: 00007fff16944de8
 </TASK>