watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz-executor.4:8524]
Modules linked in:
CPU: 1 PID: 8524 Comm: syz-executor.4 Tainted: G        W         5.4.274-syzkaller-00002-g6f97bd951d82 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:stack_trace_consume_entry+0x130/0x240 kernel/stacktrace.c:93
Code: 8d 6d 01 43 0f b6 04 37 84 c0 0f 85 dc 00 00 00 48 8b 44 24 10 89 28 48 89 c5 4a 8d 1c eb 48 89 d8 48 c1 e8 03 42 80 3c 30 00 <74> 08 48 89 df e8 66 6d 40 00 48 8b 44 24 18 48 89 03 8b 5d 00 43
RSP: 0018:ffff8881f6f094e8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 1ffff1103ede12f6 RBX: ffff8881f6f097b0 RCX: ffff8881e5babf00
RDX: 0000000000000101 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff8881f6f09630 R08: ffffffff8153b3af R09: ffff8881f6f09590
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1103ede12c5
R13: 0000000000000018 R14: dffffc0000000000 R15: 1ffff1103ede12c6
FS:  00007fb5add006c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fffc4546bf8 CR3: 0000000005e0e000 CR4: 00000000003406a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 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_kmalloc+0x171/0x210 mm/kasan/common.c:529
 slab_post_alloc_hook mm/slab.h:584 [inline]
 slab_alloc_node mm/slub.c:2829 [inline]
 slab_alloc mm/slub.c:2837 [inline]
 kmem_cache_alloc+0xd9/0x250 mm/slub.c:2842
 dst_alloc+0x154/0x4c0 net/core/dst.c:93
 ip6_dst_alloc net/ipv6/route.c:357 [inline]
 icmp6_dst_alloc+0xf1/0x550 net/ipv6/route.c:3183
 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: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:ffff8881e5a572c0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 1ffff1103cb7590f RBX: 1ffff1103cb4ae5c RCX: ffffffff84511c00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffff8881e5a57358 R08: ffffffff82316d59 R09: ffffed103edeb135
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881e5a572e0
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff1103cb4ae58
 retint_kernel+0x1b/0x1b
RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:91 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:108 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:134 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:165 [inline]
RIP: 0010:check_memory_region_inline mm/kasan/generic.c:181 [inline]
RIP: 0010:check_memory_region+0x6f/0x280 mm/kasan/generic.c:191
Code: 00 00 00 00 fc ff df 4f 8d 34 1a 4c 89 f5 4c 29 cd 48 83 fd 10 7f 26 48 85 ed 0f 84 3a 01 00 00 49 f7 d2 49 01 da 41 80 39 00 <0f> 85 c4 01 00 00 49 ff c1 49 ff c2 75 ee e9 1d 01 00 00 45 89 cf
RSP: 0018:ffff8881e5a57418 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: ffffffff81824901 RBX: 1ffffd4000f55b76 RCX: ffffffff81824931
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffea0007aadbb4
RBP: 0000000000000001 R08: dffffc0000000000 R09: fffff94000f55b76
R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff8881dd62a010
R13: 0000000000000000 R14: fffff94000f55b77 R15: ffffea0007aadb80
 atomic_dec_and_test include/asm-generic/atomic-instrumented.h:747 [inline]
 page_ref_dec_and_test include/linux/page_ref.h:139 [inline]
 put_page_testzero include/linux/mm.h:699 [inline]
 release_pages+0x221/0xb20 mm/swap.c:802
 tlb_batch_pages_flush mm/mmu_gather.c:49 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:189 [inline]
 tlb_flush_mmu+0xc8/0x170 mm/mmu_gather.c:196
 zap_pte_range mm/memory.c:1173 [inline]
 zap_pmd_range mm/memory.c:1222 [inline]
 zap_pud_range mm/memory.c:1251 [inline]
 zap_p4d_range mm/memory.c:1272 [inline]
 unmap_page_range+0x1d29/0x2620 mm/memory.c:1293
 unmap_single_vma mm/memory.c:1338 [inline]
 unmap_vmas+0x355/0x4b0 mm/memory.c:1370
 exit_mmap+0x2bc/0x520 mm/mmap.c:3191
 __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
 ret_from_intr+0x1c/0x1c
RIP: 0033:0x7fb5ae9a6f29
Code: Bad RIP value.
RSP: 002b:00007fb5add000c8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 00007fb5aeade050 RCX: 00007fb5ae9a6f29
RDX: 00000000200015c0 RSI: 0000000000005452 RDI: 0000000000000009
RBP: 00007fb5aea16074 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fb5aeade050 R15: 00007fff194eef98
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 9432 Comm: syz-executor.2 Tainted: G        W         5.4.274-syzkaller-00002-g6f97bd951d82 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:rcu_dynticks_curr_cpu_in_eqs kernel/rcu/tree.c:301 [inline]
RIP: 0010:rcu_nmi_exit_common kernel/rcu/tree.c:652 [inline]
RIP: 0010:rcu_irq_exit+0xa2/0x250 kernel/rcu/tree.c:712
Code: 83 a1 01 00 00 4c 8d 3c dd 10 1f 63 85 4c 89 f8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ff e8 f5 c1 42 00 48 c7 c3 a0 89 05 00 <49> 03 1f 48 89 df be 04 00 00 00 e8 3e 95 42 00 48 89 d8 48 c1 e8
RSP: 0018:ffff8881f6e09420 EFLAGS: 00000046
RAX: 1ffffffff0ac63e2 RBX: 00000000000589a0 RCX: ffff8881ea7fee40
RDX: 0000000000000101 RSI: 0000000000000101 RDI: 0000000000000000
RBP: ffff8881f6e00000 R08: ffffffff82316ca1 R09: ffffffff86e92018
R10: ffffffff86e92003 R11: 1ffffffff0dd2400 R12: dffffc0000000000
R13: 1ffff1103edcb133 R14: ffff8881f6e58998 R15: ffffffff85631f10
FS:  00007f194b2296c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f805b048d00 CR3: 00000001d21ce000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000020000300 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 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
RIP: 0010:unwind_next_frame+0x1869/0x1ea0 arch/x86/kernel/unwind_orc.c:613
Code: 01 84 c0 48 8b 9c 24 88 00 00 00 4c 8b 34 24 0f 85 a0 01 00 00 41 c7 06 00 00 00 00 31 c0 48 c7 84 24 a0 00 00 00 0e 36 e0 45 <48> c7 03 00 00 00 00 48 c7 43 09 00 00 00 00 48 c7 43 11 00 00 00
RSP: 0018:ffff8881f6e09540 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000101 RBX: ffffed103edc12bc RCX: 0000000000000101
RDX: ffff8881f6e09880 RSI: ffff8881f6e094c0 RDI: 0000000000000001
RBP: ffff8881f6e09830 R08: dffffc0000000000 R09: ffff8881f6e09890
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffffff0d6690e
R13: ffffffff86b34873 R14: ffff8881f6e09f98 R15: ffff8881f6e02000
 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_kmalloc+0x171/0x210 mm/kasan/common.c:529
 slab_post_alloc_hook mm/slab.h:584 [inline]
 slab_alloc_node mm/slub.c:2829 [inline]
 slab_alloc mm/slub.c:2837 [inline]
 __kmalloc_track_caller+0x100/0x2b0 mm/slub.c:4449
 __kmalloc_reserve net/core/skbuff.c:142 [inline]
 __alloc_skb+0xb4/0x4d0 net/core/skbuff.c:210
 alloc_skb include/linux/skbuff.h:1080 [inline]
 wg_packet_send_keepalive+0x5d/0x1c0 drivers/net/wireguard/send.c:226
 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_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x4d/0x80 kernel/locking/spinlock.c:191
Code: 74 0c 48 c7 c7 90 3b eb 85 e8 ef 12 43 fd 48 83 3d 47 2d 9a 01 00 74 36 48 89 df e8 5d e8 fa fc 66 90 4c 89 34 24 ff 34 24 9d <bf> 01 00 00 00 e8 d9 d4 f3 fc 65 8b 05 1e 7f b1 7b 85 c0 74 08 48
RSP: 0018:ffff8881e86b79a8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000001 RBX: ffff8881f22e4ec0 RCX: dffffc0000000000
RDX: ffff8881ea7fee40 RSI: 0000000000000246 RDI: ffff8881f22e4ec0
RBP: ffff8881ea7ff7f8 R08: ffffffff8164e3f4 R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000000000000246
R13: dffffc0000000000 R14: 0000000000000246 R15: ffff8881ea7ff590
 spin_unlock_irqrestore include/linux/spinlock.h:393 [inline]
 fill_tgid_exit kernel/taskstats.c:274 [inline]
 taskstats_exit+0x31a/0xbb0 kernel/taskstats.c:609
 do_exit+0x65e/0x2bc0 kernel/exit.c:844
 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
 ret_from_intr+0x1c/0x1c
RIP: 0033:0x7f194beaef29
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:00007f194b2290c8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 00007f194bfe5f80 RCX: 00007f194beaef29
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000004
RBP: 00007f194bf1e074 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f194bfe5f80 R15: 00007ffed3d36e38