R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fdf86105f80 R15: 00007fff265a9b38
 </TASK>
watchdog: BUG: soft lockup - CPU#1 stuck for 116s! [syz.0.645:2569]
Modules linked in:
CPU: 1 PID: 2569 Comm: syz.0.645 Not tainted 6.1.90-syzkaller-00004-g79436849ef1d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:on_stack arch/x86/include/asm/stacktrace.h:56 [inline]
RIP: 0010:update_stack_state+0x18b/0x460 arch/x86/kernel/unwind_frame.c:228
Code: 22 01 00 00 48 8b 85 48 ff ff ff 42 80 3c 30 00 74 08 4c 89 e7 e8 75 e7 84 00 4d 8b 24 24 48 8b 85 50 ff ff ff 42 80 3c 30 00 <74> 0c 48 8b bd 70 ff ff ff e8 57 e7 84 00 4d 8b 6f 10 48 8b 45 b0
RSP: 0018:ffffc900001b0070 EFLAGS: 00000246
RAX: 1ffff9200003603a RBX: ffffc900001b01e8 RCX: ffffc900009e7740
RDX: 1ffff9200003603a RSI: ffffc900009e7730 RDI: ffffc900001b0218
RBP: ffffc900001b0128 R08: ffffc900001b02a8 R09: 000000000000001a
R10: ffffc900001b02b0 R11: dffffc0000000001 R12: ffffc900009e0000
R13: ffffc900001b0210 R14: dffffc0000000000 R15: ffffc900001b01c0
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f16c423fb26 CR3: 0000000131fe6000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 unwind_next_frame+0x3cb/0x700 arch/x86/kernel/unwind_frame.c:315
 arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
 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_kmalloc mm/kasan/common.c:379 [inline]
 __kasan_kmalloc+0x9c/0xb0 mm/kasan/common.c:388
 kasan_kmalloc include/linux/kasan.h:212 [inline]
 __do_kmalloc_node mm/slab_common.c:957 [inline]
 __kmalloc+0xb4/0x1e0 mm/slab_common.c:970
 kmalloc include/linux/slab.h:561 [inline]
 kzalloc include/linux/slab.h:692 [inline]
 neigh_alloc net/core/neighbour.c:494 [inline]
 ___neigh_create+0x6af/0x1db0 net/core/neighbour.c:648
 __neigh_create+0x32/0x40 net/core/neighbour.c:737
 ip6_finish_output2+0x9d0/0x1840 net/ipv6/ip6_output.c:125
 __ip6_finish_output net/ipv6/ip6_output.c:201 [inline]
 ip6_finish_output+0x50f/0xa60 net/ipv6/ip6_output.c:212
 NF_HOOK_COND include/linux/netfilter.h:294 [inline]
 ip6_output+0x1f7/0x4d0 net/ipv6/ip6_output.c:233
 dst_output include/net/dst.h:444 [inline]
 NF_HOOK include/linux/netfilter.h:305 [inline]
 ndisc_send_skb+0x7cf/0xdc0 net/ipv6/ndisc.c:509
 ndisc_send_rs+0x47d/0x5f0 net/ipv6/ndisc.c:719
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3984
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1510
 expire_timers kernel/time/timer.c:1555 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1826
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1839
 __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 60 26 9f 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 e5 31 fc fb bf 01 00 00 00 <e8> a9 e4 ff ff fa bf 01 00 00 00 e8 be e6 31 fc 65 48 8b 1d 56 d3
RSP: 0018:ffffc900009e7540 EFLAGS: 00000246
RAX: 1ffff11022519669 RBX: 1ffff9200013ceac RCX: ffffffff851f9900
RDX: 1ffff11022519515 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc900009e75d8 R08: ffffffff87969040 R09: ffffffff87969048
R10: ffffffff87969058 R11: ffffffff87969050 R12: ffffc900009e7560
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff9200013cea8
 raw_irqentry_exit_cond_resched+0x2a/0x30 kernel/entry/common.c:396
 irqentry_exit+0x30/0x40 kernel/entry/common.c:439
 common_interrupt+0x65/0xd0 arch/x86/kernel/irq.c:240
 asm_common_interrupt+0x27/0x40 arch/x86/include/asm/idtentry.h:644
RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:85 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:102 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:128 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:159 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0x82/0x2a0 mm/kasan/generic.c:189
Code: 00 00 00 00 fc ff df 4f 8d 34 1a 4d 89 f5 4d 29 cd 49 83 fd 10 7f 26 4d 85 ed 0f 84 44 01 00 00 49 f7 d2 4d 01 e2 41 80 39 00 <0f> 85 d2 01 00 00 49 ff c1 49 ff c2 75 ee e9 27 01 00 00 45 89 cf
RSP: 0018:ffffc900009e76e0 EFLAGS: 00000246
RAX: 1ffff9200013cf01 RBX: 000000000001ffff RCX: ffffffff81b3dab0
RDX: 0000000000000001 RSI: 0000000000000010 RDI: ffffc900009e7848
RBP: ffffc900009e7708 R08: dffffc0000000000 R09: fffff5200013cf09
R10: fffffffffffffffe R11: dffffc0000000001 R12: 1ffff9200013cf09
R13: 0000000000000002 R14: fffff5200013cf0b R15: 0000000000000010
 memset+0x23/0x40 mm/kasan/shadow.c:44
 exit_mmap+0xf0/0x940 mm/mmap.c:3314
 __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:174
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x26/0x130 kernel/entry/common.c:303
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fdf85f779f9
Code: Unable to access opcode bytes at 0x7fdf85f779cf.
RSP: 002b:00007fdf86d13038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 00007fdf86105f80 RCX: 00007fdf85f779f9
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000006
RBP: 00007fdf85fe58ee R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fdf86105f80 R15: 00007fff265a9b38
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 8 Comm: kworker/u4:0 Not tainted 6.1.90-syzkaller-00004-g79436849ef1d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:__sanitizer_cov_trace_pc+0x5d/0x60 kernel/kcov.c:225
Code: 0b 00 00 83 fa 02 75 21 48 8b 91 50 0b 00 00 48 8b 32 48 8d 7e 01 8b 89 4c 0b 00 00 48 39 cf 73 08 48 89 3a 48 89 44 f2 08 5d <c3> 66 90 55 48 89 e5 4c 8b 45 08 65 48 8b 15 a0 ca 8c 7e 65 8b 05
RSP: 0018:ffffc90000087838 EFLAGS: 00000293
RAX: ffffffff816c074c RBX: 1ffff1103ee27885 RCX: ffff888100399440
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90000087958 R08: ffffffff816c0715 R09: ffffed103ee071fb
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: 0000000800000000 R14: ffff8881f713c428 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555561e74a8 CR3: 0000000006e0f000 CR4: 00000000003506b0
DR0: 0010000010000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
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:1334 [inline]
 text_poke_bp_batch+0x1e9/0x730 arch/x86/kernel/alternative.c:1534
 text_poke_flush arch/x86/kernel/alternative.c:1725 [inline]
 text_poke_finish+0x1a/0x30 arch/x86/kernel/alternative.c:1732
 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:308
 </TASK>