RBP: 00007fab653e9058 R08: 00007ffd6b96a0b0 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 00007fab653e9064
R13: 0000000000000000 R14: 00007ffd6b8dff90 R15: 00007ffd6b8e0078
 </TASK>
watchdog: BUG: soft lockup - CPU#0 stuck for 246s! [syz.0.1262:6599]
Modules linked in:
CPU: 0 PID: 6599 Comm: syz.0.1262 Tainted: G        W         5.15.167-syzkaller-android13-5.15.167_r00 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:unwind_get_return_address+0x0/0x90 arch/x86/kernel/unwind_frame.c:15
Code: 5d c3 48 c7 c1 80 86 ad 86 80 e1 07 80 c1 03 38 c1 7c af 48 c7 c7 80 86 ad 86 e8 eb ab 7d 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
RSP: 0018:ffffc90000007198 EFLAGS: 00000202
RAX: 0000000000007101 RBX: ffffc900000071a0 RCX: 0000000000007101
RDX: ffffc900000071a0 RSI: ffffc90000a88000 RDI: ffffc900000071a0
RBP: ffffc90000007230 R08: ffffc90000007201 R09: 0000000000000012
R10: ffffc90000007290 R11: dffffc0000000001 R12: ffff88812ab64f00
R13: ffffffff815f77f0 R14: ffffc90000007280 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000011cae0000 CR4: 00000000003506b0
DR0: 0100000000000000 DR1: 0000000020000300 DR2: 0000000020000300
DR3: 0000000020000300 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:433 [inline]
 ____kasan_kmalloc+0xdb/0x110 mm/kasan/common.c:512
 __kasan_kmalloc+0x9/0x10 mm/kasan/common.c:521
 kasan_kmalloc include/linux/kasan.h:227 [inline]
 __kmalloc+0x13a/0x270 mm/slub.c:4427
 kmalloc include/linux/slab.h:608 [inline]
 kzalloc include/linux/slab.h:733 [inline]
 neigh_alloc net/core/neighbour.c:438 [inline]
 ___neigh_create+0x6d0/0x1bd0 net/core/neighbour.c:591
 __neigh_create+0x32/0x40 net/core/neighbour.c:679
 ip6_finish_output2+0x9ee/0x16f0 net/ipv6/ip6_output.c:127
 __ip6_finish_output+0x60f/0x7c0 net/ipv6/ip6_output.c:201
 ip6_finish_output+0x31/0x210 net/ipv6/ip6_output.c:211
 NF_HOOK_COND include/linux/netfilter.h:294 [inline]
 ip6_output+0x1f7/0x4c0 net/ipv6/ip6_output.c:234
 dst_output include/net/dst.h:444 [inline]
 NF_HOOK include/linux/netfilter.h:305 [inline]
 ndisc_send_skb+0x73e/0xc90 net/ipv6/ndisc.c:511
 ndisc_send_rs+0x532/0x6a0 net/ipv6/ndisc.c:705
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3979
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1457
 expire_timers kernel/time/timer.c:1502 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1773
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1786
 handle_softirqs+0x25e/0x5c0 kernel/softirq.c:565
 __do_softirq kernel/softirq.c:603 [inline]
 invoke_softirq kernel/softirq.c:425 [inline]
 __irq_exit_rcu+0x52/0xf0 kernel/softirq.c:652
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:664
 sysvec_apic_timer_interrupt+0x9a/0xc0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:preempt_schedule_irq+0xc2/0x140 kernel/sched/core.c:6916
Code: 4c 89 e7 e8 90 7c cd 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 2f 67 fc fb bf 01 00 00 00 <e8> e9 e3 ff ff fa bf 01 00 00 00 e8 be 30 67 fc 65 48 8b 1d 76 40
RSP: 0018:ffffc90000a872e0 EFLAGS: 00000246
RAX: 1ffff1102556cb36 RBX: 1ffff92000150e60 RCX: ffffffff84e6ff00
RDX: 1ffffffff0e99c00 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90000a87378 R08: ffffffff874ce000 R09: ffffffff874ce008
R10: ffffffff874ce018 R11: ffffffff874ce010 R12: ffffc90000a87300
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000150e5c
 irqentry_exit_cond_resched+0x2a/0x30 kernel/entry/common.c:398
 irqentry_exit+0x30/0x40 kernel/entry/common.c:432
 sysvec_irq_work+0x52/0xb0 arch/x86/kernel/irq_work.c:17
 asm_sysvec_irq_work+0x1b/0x20 arch/x86/include/asm/idtentry.h:664
RIP: 0010:kasan_check_range+0x8/0x2a0 mm/kasan/generic.c:188
Code: 89 c7 e8 fb a4 2e 03 31 c0 5d c3 0f 0b eb 02 0f 0b b8 ea ff ff ff 5d c3 cc cc cc cc cc cc cc cc cc cc 55 48 89 e5 41 57 41 56 <41> 55 41 54 53 b0 01 48 85 f6 0f 84 a4 01 00 00 48 89 fb 48 01 f3
RSP: 0018:ffffc90000a87478 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffc90000a87660 RCX: ffffffff81a71ebe
RDX: 0000000000000001 RSI: 0000000000000010 RDI: ffffc90000a87660
RBP: ffffc90000a87488 R08: ffffffff81a72d8b R09: ffffed102556c9e1
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 0400000000000080 R14: 0000000000000000 R15: 0000000000000010
 memset+0x23/0x40 mm/kasan/shadow.c:44
 init_rss_vec mm/memory.c:554 [inline]
 zap_pte_range mm/memory.c:1394 [inline]
 zap_pmd_range mm/memory.c:1562 [inline]
 zap_pud_range mm/memory.c:1591 [inline]
 zap_p4d_range mm/memory.c:1612 [inline]
 unmap_page_range+0x9ae/0x1ed0 mm/memory.c:1633
 unmap_single_vma mm/memory.c:1678 [inline]
 unmap_vmas+0x389/0x560 mm/memory.c:1710
 exit_mmap+0x3e4/0x940 mm/mmap.c:3215
 __mmput+0x95/0x310 kernel/fork.c:1179
 mmput+0x5b/0x170 kernel/fork.c:1202
 exit_mm kernel/exit.c:554 [inline]
 do_exit+0xb9c/0x2ca0 kernel/exit.c:867
 do_group_exit+0x141/0x310 kernel/exit.c:1002
 get_signal+0x7a3/0x1630 kernel/signal.c:2904
 arch_do_signal_or_restart+0xbd/0x1680 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:154 [inline]
 exit_to_user_mode_loop+0xa0/0xe0 kernel/entry/common.c:178
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:214
 irqentry_exit_to_user_mode+0x9/0x10 kernel/entry/common.c:320
 irqentry_exit+0x12/0x40 kernel/entry/common.c:411
 sysvec_apic_timer_interrupt+0x55/0xc0 arch/x86/kernel/apic/apic.c:1096
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0033:0x7fab65231719
Code: Unable to access opcode bytes at RIP 0x7fab652316ef.
RSP: 002b:00007fab63e890e8 EFLAGS: 00000246
RAX: 0000000000000001 RBX: 00007fab653e9060 RCX: 00007fab65231719
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fab653e9064
RBP: 00007fab653e9058 R08: 00007ffd6b96a0b0 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 00007fab653e9064
R13: 0000000000000000 R14: 00007ffd6b8dff90 R15: 00007ffd6b8e0078
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 7455 Comm: kworker/u4:3 Tainted: G        W         5.15.167-syzkaller-android13-5.15.167_r00 #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:440 [inline]
RIP: 0010:smp_call_function_many_cond+0x843/0x9b0 kernel/smp.c:969
Code: 45 8b 7d 00 44 89 fe 83 e6 01 31 ff e8 e6 a5 0a 00 41 83 e7 01 49 bf 00 00 00 00 00 fc ff df 75 07 e8 21 a2 0a 00 eb 38 f3 90 <42> 0f b6 04 3b 84 c0 75 11 41 f7 45 00 01 00 00 00 74 1e e8 05 a2
RSP: 0018:ffffc90001277840 EFLAGS: 00000293
RAX: ffffffff8165b57b RBX: 1ffff1103ee07af1 RCX: ffff88810ecaa780
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90001277958 R08: ffffffff8165b54a R09: ffffed103ee271d3
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff8881f703d788 R14: ffff8881f7138e80 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000208bb000 CR3: 0000000006a0f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff1 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 on_each_cpu_cond_mask+0x40/0x80 kernel/smp.c:1135
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:1207 [inline]
 text_poke_bp_batch+0x1db/0x720 arch/x86/kernel/alternative.c:1407
 text_poke_flush arch/x86/kernel/alternative.c:1598 [inline]
 text_poke_finish+0x1a/0x30 arch/x86/kernel/alternative.c:1605
 arch_jump_label_transform_apply+0x15/0x30 arch/x86/kernel/jump_label.c:146
 __jump_label_update+0x36a/0x380 kernel/jump_label.c:459
 jump_label_update+0x3af/0x450 kernel/jump_label.c:830
 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/0x460 mm/kfence/core.c:729
 process_one_work+0x6bb/0xc10 kernel/workqueue.c:2325
 worker_thread+0xad5/0x12a0 kernel/workqueue.c:2472
 kthread+0x421/0x510 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>