RBP: 00007f0b4ebb032e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f0b4ecf4f80 R15: 00007ffe3fef31c8
watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz.7.515:2915]
Modules linked in:
CPU: 1 PID: 2915 Comm: syz.7.515 Tainted: G        W         5.10.226-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__local_bh_enable_ip+0x0/0x80 kernel/softirq.c:172
Code: 05 11 b5 c2 7e a9 00 00 0f 00 75 14 65 8b 05 03 b5 c2 7e 65 81 05 f8 b4 c2 7e 00 fe ff ff 5d c3 0f 0b eb e8 66 0f 1f 44 00 00 <55> 48 89 e5 89 f7 65 8b 05 df b4 c2 7e a9 00 00 0f 00 75 53 65 8b
RSP: 0018:ffffc90000170978 EFLAGS: 00000246
RAX: 0000000000000001 RBX: ffff8881f71579c0 RCX: dffffc0000000000
RDX: 0000000000000302 RSI: 0000000000000201 RDI: ffffffff8429e4fa
RBP: ffffc90000170988 R08: dffffc0000000000 R09: 0000000000000003
R10: fffff5200002e124 R11: dffffc0000000001 R12: ffff88812376d488
R13: ffff8881f71579c0 R14: ffff88812376d5c8 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000010658b000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 spin_unlock_bh include/linux/spinlock.h:399 [inline]
 rt6_uncached_list_add net/ipv6/route.c:144 [inline]
 icmp6_dst_alloc+0x4aa/0x560 net/ipv6/route.c:3182
 ndisc_send_skb+0x25a/0xc00 net/ipv6/ndisc.c:491
 ndisc_send_rs+0x532/0x6a0 net/ipv6/ndisc.c:705
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3964
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1450
 expire_timers kernel/time/timer.c:1495 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1789
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1802
 __do_softirq+0x268/0x5bb kernel/softirq.c:309
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
 do_softirq_own_stack+0x60/0x80 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:405 [inline]
 __irq_exit_rcu+0x128/0x150 kernel/softirq.c:435
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:447
 sysvec_apic_timer_interrupt+0xbf/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:preempt_schedule_irq+0xc2/0x140 kernel/sched/core.c:5065
Code: 4c 89 e7 e8 b0 d6 f6 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 14 a2 97 fc fb bf 01 00 00 00 <e8> 89 e6 ff ff fa bf 01 00 00 00 e8 9e a3 97 fc 65 48 8b 1d 26 fd
RSP: 0018:ffffc90000fbf340 EFLAGS: 00000246
RAX: 1ffff1102221b146 RBX: 1ffff920001f7e6c RCX: ffffffff84b29800
RDX: 1ffff1102221b004 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90000fbf3c0 R08: ffffffff87084048 R09: ffffffff87084058
R10: ffffffff87084050 R11: ffffffff87084043 R12: ffffc90000fbf360
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920001f7e68
 irqentry_exit_cond_resched kernel/entry/common.c:365 [inline]
 irqentry_exit+0x4f/0x60 kernel/entry/common.c:395
 sysvec_apic_timer_interrupt+0xcb/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 kernel/kcov.c:190
Code: 00 00 00 0f 0b 0f 1f 44 00 00 55 48 89 e5 53 48 89 fb e8 13 00 00 00 48 8b 3d e4 ff 78 05 48 89 de e8 54 f0 3c 00 5b 5d c3 cc <55> 48 89 e5 48 8b 45 08 65 48 8b 0d 80 c0 97 7e 65 8b 15 85 c0 97
RSP: 0018:ffffc90000fbf4b8 EFLAGS: 00000293
RAX: ffffffff819d8481 RBX: 00007f0b4dd8e000 RCX: ffff8881110d8000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90000fbf6f0 R08: ffffffff819d808f R09: ffffed1020efb37e
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 0400000000000000 R14: 8000000113fd2007 R15: 00007f0b4dd8e000
 unmap_single_vma mm/memory.c:1551 [inline]
 unmap_vmas+0x37f/0x4f0 mm/memory.c:1583
 exit_mmap+0x2f2/0x5c0 mm/mmap.c:3355
 __mmput+0x95/0x2d0 kernel/fork.c:1153
 mmput+0x59/0x170 kernel/fork.c:1176
 exit_mm kernel/exit.c:539 [inline]
 do_exit+0xbda/0x2a50 kernel/exit.c:850
 do_group_exit+0x141/0x310 kernel/exit.c:985
 get_signal+0x10a0/0x1410 kernel/signal.c:2790
 arch_do_signal_or_restart+0xbd/0x17c0 arch/x86/kernel/signal.c:805
 handle_signal_work kernel/entry/common.c:145 [inline]
 exit_to_user_mode_loop+0x9b/0xd0 kernel/entry/common.c:169
 exit_to_user_mode_prepare kernel/entry/common.c:199 [inline]
 irqentry_exit_to_user_mode+0x4e/0x80 kernel/entry/common.c:287
 irqentry_exit+0x12/0x60 kernel/entry/common.c:375
 sysvec_apic_timer_interrupt+0xcb/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0033:0x7f0b4eb3d719
Code: Unable to access opcode bytes at RIP 0x7f0b4eb3d6ef.
RSP: 002b:00007f0b4d7b6038 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007f0b4ecf4f80 RCX: 00007f0b4eb3d719
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000008
RBP: 00007f0b4ebb032e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f0b4ecf4f80 R15: 00007ffe3fef31c8
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 9 Comm: kworker/u4:1 Tainted: G        W         5.10.226-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:csd_lock_wait kernel/smp.c:229 [inline]
RIP: 0010:smp_call_function_single+0x278/0x510 kernel/smp.c:517
Code: 0f 85 18 02 00 00 44 8b 6c 24 48 44 89 ee 83 e6 01 31 ff e8 fa ed 0a 00 41 83 e5 01 75 0a e8 3f ea 0a 00 e9 eb 00 00 00 f3 90 <42> 0f b6 04 23 84 c0 75 15 f7 44 24 48 01 00 00 00 0f 84 cd 00 00
RSP: 0018:ffffc90000097720 EFLAGS: 00000293
RAX: ffffffff815fc2d4 RBX: 1ffff92000012eed RCX: ffff8881002513c0
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90000097810 R08: ffffffff815fc2a6 R09: ffffed103ee2aec9
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 0000000000000001 R14: ffffc90000097768 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000000660f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 smp_call_function_many_cond+0x94e/0xa30 kernel/smp.c:653
 smp_call_function_many kernel/smp.c:716 [inline]
 smp_call_function kernel/smp.c:738 [inline]
 on_each_cpu+0xa8/0x1a0 kernel/smp.c:837
 text_poke_sync arch/x86/kernel/alternative.c:1318 [inline]
 text_poke_bp_batch+0x1d4/0x600 arch/x86/kernel/alternative.c:1509
 text_poke_flush arch/x86/kernel/alternative.c:1677 [inline]
 text_poke_finish+0x1a/0x30 arch/x86/kernel/alternative.c:1684
 arch_jump_label_transform_apply+0x15/0x30 arch/x86/kernel/jump_label.c:126
 __jump_label_update+0x36a/0x380 kernel/jump_label.c:459
 jump_label_update+0x379/0x400 kernel/jump_label.c:825
 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:624
 process_one_work+0x6dc/0xbd0 kernel/workqueue.c:2301
 worker_thread+0xaea/0x1510 kernel/workqueue.c:2447
 kthread+0x34b/0x3d0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298