watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [swapper/0:0]
Modules linked in:
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.4.289-syzkaller-00028-g3f2c17e79750 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:__read_once_size include/linux/compiler.h:268 [inline]
RIP: 0010:queued_write_lock_slowpath+0x185/0x390 kernel/locking/qrwlock.c:79
Code: b6 04 33 84 c0 4c 8b 64 24 08 74 37 44 89 f9 80 e1 07 80 c1 03 38 c1 7c 2a 4c 89 ff e8 64 d5 47 00 eb 20 f3 90 42 0f b6 04 33 <84> c0 74 15 44 89 f9 80 e1 07 80 c1 03 38 c1 7c 08 4c 89 ff e8 42
RSP: 0018:ffff8881f6e09620 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 1ffffffff0c80145 RCX: ffffffff814c5efb
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffffff86400a28
RBP: ffff8881f6e096d0 R08: dffffc0000000000 R09: fffffbfff0c80146
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1103edc12ce
R13: 00000000000000ff R14: dffffc0000000000 R15: ffffffff86400a28
FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcc691478db CR3: 00000001b4efa000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 queued_write_lock include/asm-generic/qrwlock.h:95 [inline]
 __raw_write_lock_bh include/linux/rwlock_api_smp.h:204 [inline]
 _raw_write_lock_bh+0x10a/0x170 kernel/locking/spinlock.c:319
 neigh_forced_gc net/core/neighbour.c:237 [inline]
 neigh_alloc net/core/neighbour.c:430 [inline]
 ___neigh_create+0x202/0x1ae0 net/core/neighbour.c:592
 ip6_finish_output2+0x8b1/0x1640 net/ipv6/ip6_output.c:126
 NF_HOOK_COND include/linux/netfilter.h:292 [inline]
 ip6_output+0x1b3/0x430 net/ipv6/ip6_output.c:233
 dst_output include/net/dst.h:438 [inline]
 NF_HOOK include/linux/netfilter.h:303 [inline]
 mld_sendpack+0x606/0xb50 net/ipv6/mcast.c:1679
 mld_send_cr net/ipv6/mcast.c:1975 [inline]
 mld_ifc_timer_expire+0x814/0xc10 net/ipv6/mcast.c:2474
 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:539 [inline]
 smp_apic_timer_interrupt+0x11a/0x490 arch/x86/kernel/apic/apic.c:1161
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:834
 </IRQ>
RIP: 0010:default_idle+0x1f/0x30 arch/x86/kernel/process.c:573
Code: 90 90 90 90 90 90 90 90 90 90 90 e8 0b b2 da fd bf 01 00 00 00 89 c6 e8 4f 9a d1 fc 0f 1f 44 00 00 0f 00 2d 83 a9 4d 00 fb f4 <e8> ec b1 da fd bf ff ff ff ff 89 c6 e9 30 9a d1 fc 41 57 41 56 53
RSP: 0018:ffffffff85e07d18 EFLAGS: 000002d2 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffffffff85e1adc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffffff85e07e20 R08: ffffffff8231c921 R09: fffffbfff0bc35b9
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff864c4ba8
R13: ffffffff85e1adc0 R14: 1ffffffff0bc35b8 R15: 0000000000000000
 default_idle_call kernel/sched/idle.c:94 [inline]
 cpuidle_idle_call kernel/sched/idle.c:154 [inline]
 do_idle+0x248/0x660 kernel/sched/idle.c:264
 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:356
 start_kernel+0x6d9/0x81d init/main.c:1036
 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:241
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 2166 Comm: syz.0.452 Not tainted 5.4.289-syzkaller-00028-g3f2c17e79750 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:check_preemption_disabled+0x9a/0x320 lib/smp_processor_id.c:16
Code: 05 33 68 d0 7d 89 44 24 04 65 44 8b 35 7b c4 d0 7d 44 89 f6 81 e6 ff ff ff 7f 31 ff e8 3f 84 32 ff 41 81 e6 ff ff ff 7f 74 49 <e8> 41 81 32 ff 49 bf 00 00 00 00 00 fc ff df 8b 5c 24 04 48 c7 44
RSP: 0018:ffff8881f6f09500 EFLAGS: 00000006
RAX: ffff8881e2718000 RBX: ffffffff85643f18 RCX: 0000000000000503
RDX: 0000000000000503 RSI: 0000000000000503 RDI: 0000000000000000
RBP: ffff8881f6f095b0 R08: ffffffff8231c921 R09: ffffffff86ead058
R10: ffffffff86ead043 R11: 1ffffffff0dd5a08 R12: ffffffff84fa57a0
R13: 1ffff1103ede12a4 R14: 0000000000000503 R15: ffffffff84fa57e0
FS:  00007fb2d40876c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb2d5a5ed7f CR3: 0000000005e0e000 CR4: 00000000003406a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 rcu_dynticks_curr_cpu_in_eqs kernel/rcu/tree.c:299 [inline]
 rcu_nmi_exit_common kernel/rcu/tree.c:652 [inline]
 rcu_irq_exit+0x72/0x250 kernel/rcu/tree.c:712
 irq_work_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:865
RIP: 0010:call_netevent_notifiers+0x0/0x30 net/core/netevent.c:60
Code: f5 be fd 0f 1f 80 00 00 00 00 53 48 89 fb e8 47 fc df fd 48 c7 c7 80 75 76 87 48 89 de 5b e9 d7 f8 be fd 0f 1f 80 00 00 00 00 <41> 56 53 49 89 f6 48 89 fb e8 22 fc df fd 48 c7 c7 80 75 76 87 48
RSP: 0018:ffff8881f6f096b0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff09
RAX: 0000000000000000 RBX: ffffffff86400820 RCX: ffff8881e2718000
RDX: 0000000000000503 RSI: ffff8881d9ad7c00 RDI: 0000000000000001
RBP: 1ffff1103b35afa9 R08: ffffffff8399b01b R09: ffff8881f6f094c0
R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff8881d9ad7c00
R13: ffffffff86400a18 R14: ffff8881d9ad7c28 R15: ffff8881d9ad7c00
 neigh_cleanup_and_release+0x38/0x210 net/core/neighbour.c:103
 neigh_del net/core/neighbour.c:198 [inline]
 neigh_remove_one+0x350/0x3b0 net/core/neighbour.c:219
 neigh_forced_gc net/core/neighbour.c:252 [inline]
 neigh_alloc net/core/neighbour.c:430 [inline]
 ___neigh_create+0x3b3/0x1ae0 net/core/neighbour.c:592
 ip6_finish_output2+0x8b1/0x1640 net/ipv6/ip6_output.c:126
 NF_HOOK_COND include/linux/netfilter.h:292 [inline]
 ip6_output+0x1b3/0x430 net/ipv6/ip6_output.c:233
 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:511
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3955
 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:539 [inline]
 smp_apic_timer_interrupt+0x11a/0x490 arch/x86/kernel/apic/apic.c:1161
 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 3c eb 85 e8 d5 07 3d fd 48 83 3d bd 0f 94 01 00 74 29 48 89 df e8 93 da f4 fc 66 90 fb bf 01 00 00 00 <e8> d6 c4 ed fc 65 8b 05 9b 60 ab 7b 85 c0 74 02 5b c3 e8 24 27 a9
RSP: 0018:ffff8881e1f0f1d0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000001 RBX: ffff8881f6f57b40 RCX: dffffc0000000000
RDX: 0000000040000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffff8881e1f0f230 R08: ffffffff8179a549 R09: fffffbfff0c98a53
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f6f57b40
R13: ffff8881e2718000 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:constant_test_bit arch/x86/include/asm/bitops.h:207 [inline]
RIP: 0010:test_bit include/asm-generic/bitops-instrumented.h:238 [inline]
RIP: 0010:test_ti_thread_flag include/linux/thread_info.h:97 [inline]
RIP: 0010:need_resched include/linux/sched.h:1847 [inline]
RIP: 0010:preempt_schedule_common+0x11/0xd0 kernel/sched/core.c:4464
Code: 48 8d 65 e0 5b 41 5c 41 5e 41 5f 5d c3 e8 07 00 00 00 eb cc e8 00 93 e4 fc 41 57 41 56 53 49 bf 00 00 00 00 00 fc ff df eb 0d <48> f7 03 08 00 00 00 0f 84 a7 00 00 00 65 ff 05 67 32 ac 7b 65 8b
RSP: 0018:ffff8881e1f0f480 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 1ffff1103c4e3000 RBX: ffff8881e2718000 RCX: ffffffff84565ba6
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff8881e2718000
RBP: ffff8881e1f0f528 R08: dffffc0000000000 R09: ffffed103c4e3001
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1103c3e1e98
R13: 00007fb2d5bbd000 R14: ffffffff84565af9 R15: dffffc0000000000
 preempt_schedule+0xd9/0xe0 kernel/sched/core.c:4481
 ___preempt_schedule+0x16/0x20 arch/x86/entry/thunk_64.S:50
 __raw_spin_unlock include/linux/spinlock_api_smp.h:152 [inline]
 _raw_spin_unlock+0x5b/0x60 kernel/locking/spinlock.c:183
 spin_unlock include/linux/spinlock.h:378 [inline]
 zap_pte_range mm/memory.c:1163 [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+0xa07/0x2620 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:538 [inline]
 do_exit+0xc08/0x2bc0 kernel/exit.c:848
 do_group_exit+0x138/0x300 kernel/exit.c:984
 get_signal+0xdb1/0x1440 kernel/signal.c:2738
 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: 0033:0x7fb2d5a5eda9
Code: Bad RIP value.
RSP: 002b:00007fb2d4087038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 00007fb2d5c78160 RCX: 00007fb2d5a5eda9
RDX: 0000000020000780 RSI: 0000000000005452 RDI: 0000000000000006
RBP: 00007fb2d5ae02a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fb2d5c78160 R15: 00007ffc54d12d08