watchdog: BUG: soft lockup - CPU#0 stuck for 114s! [syz.0.927:3341]
Modules linked in:
CPU: 0 PID: 3341 Comm: syz.0.927 Not tainted 5.4.274-syzkaller-00002-g6f97bd951d82 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:unwind_next_frame+0x1521/0x1ea0 arch/x86/kernel/unwind_orc.c:562
Code: 8b 84 24 80 00 00 00 42 0f b6 04 38 84 c0 48 8b 5c 24 50 4c 8b 6c 24 10 48 8b 54 24 18 0f 85 50 08 00 00 c6 03 01 48 8b 1c 24 <48> 8b 44 24 28 42 0f b6 04 38 84 c0 0f 85 08 06 00 00 43 0f b6 04
RSP: 0018:ffff8881f6e08ee0 EFLAGS: 00000256 ORIG_RAX: ffffffffffffff13
RAX: ffff8881f6e09330 RBX: ffff8881f6e092e0 RCX: 0000000000000000
RDX: ffffffff867b9b26 RSI: 0000000000000000 RDI: ffff8881f6e09340
RBP: ffff8881f6e091d0 R08: dffffc0000000000 R09: ffff8881f6e09330
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffffff0cf7364
R13: ffffffff867b9b22 R14: ffff8881f6e092e0 R15: dffffc0000000000
FS:  00007f7b784166c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3331eff8 CR3: 0000000005e0e000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __unwind_start+0x708/0x890 arch/x86/kernel/unwind_orc.c:691
 unwind_start arch/x86/include/asm/unwind.h:60 [inline]
 arch_stack_walk+0xdd/0x140 arch/x86/kernel/stacktrace.c:24
 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_set_free_info mm/kasan/common.c:345 [inline]
 __kasan_slab_free+0x1b5/0x270 mm/kasan/common.c:487
 slab_free_hook mm/slub.c:1455 [inline]
 slab_free_freelist_hook mm/slub.c:1494 [inline]
 slab_free mm/slub.c:3080 [inline]
 kfree+0x123/0x370 mm/slub.c:4071
 skb_release_all net/core/skbuff.c:675 [inline]
 __kfree_skb net/core/skbuff.c:689 [inline]
 kfree_skb+0xb8/0x3c0 net/core/skbuff.c:708
 neigh_connected_output+0x407/0x430 net/core/neighbour.c:1539
 neigh_output include/net/neighbour.h:518 [inline]
 ip6_finish_output2+0xf9e/0x18e0 net/ipv6/ip6_output.c:144
 NF_HOOK_COND include/linux/netfilter.h:292 [inline]
 ip6_output+0x1b3/0x430 net/ipv6/ip6_output.c:248
 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:509
 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: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+0xad/0xd0 kernel/sched/core.c:4464
Code: 65 8b 05 12 50 b2 7b 65 ff 0d 0b 50 b2 7b 65 48 8b 1d f7 4f b2 7b 48 89 df be 08 00 00 00 e8 fa b6 43 fd 48 89 d8 48 c1 e8 03 <42> 80 3c 38 00 0f 84 59 ff ff ff 48 89 df e8 80 e3 43 fd e9 4c ff
RSP: 0018:ffff8881de21f480 EFLAGS: 00000a02 ORIG_RAX: ffffffffffffff13
RAX: 1ffff1103cda5dc8 RBX: ffff8881e6d2ee40 RCX: ffffffff84503d96
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff8881e6d2ee40
RBP: ffff8881de21f528 R08: dffffc0000000000 R09: ffffed103cda5dc9
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1103bc43e98
R13: 00007f7b79056000 R14: ffffffff84503ce9 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: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: 0033:0x7f7b79194d39
Code: Bad RIP value.
RSP: 002b:00007f7b78416048 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 00007f7b79322fa0 RCX: 00007f7b79194d39
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000003
RBP: 00007f7b79215766 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f7b79322fa0 R15: 00007ffda5708fe8
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 5741 Comm: syz.2.1573 Not tainted 5.4.274-syzkaller-00002-g6f97bd951d82 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:preempt_count_sub+0x62/0x160 kernel/sched/core.c:4052
Code: c1 81 e1 ff ff ff 7f 39 d9 7c 23 81 fb fe 00 00 00 77 07 0f b6 c0 85 c0 74 55 65 8b 05 f3 a9 bd 7e f7 db 65 01 1d ea a9 bd 7e <5b> 41 5e c3 e8 a5 1d e5 00 85 c0 74 f3 48 c7 c0 84 98 4b 86 48 c1
RSP: 0018:ffff8881f6f09260 EFLAGS: 00000017
RAX: 0000000000010101 RBX: 00000000ffffffff RCX: 0000000000010101
RDX: 0000000000000000 RSI: 00000000000000f6 RDI: 0000000000000001
RBP: 0000000000000000 R08: ffffffff822c4161 R09: ffffed103edea9b7
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 1ffff1103c1ed560 R14: dffffc0000000000 R15: dffffc0000000001
FS:  00007fc1f4c556c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc1f4c34d58 CR3: 00000001ebd43000 CR4: 00000000003406a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 irq_work_queue+0x108/0x140 kernel/irq_work.c:84
 __perf_event_overflow+0x282/0x360 kernel/events/core.c:8305
 perf_swevent_hrtimer+0x3fd/0x560 kernel/events/core.c:9688
 __run_hrtimer kernel/time/hrtimer.c:1581 [inline]
 __hrtimer_run_queues+0x3e9/0xb90 kernel/time/hrtimer.c:1643
 hrtimer_interrupt+0x38a/0x890 kernel/time/hrtimer.c:1705
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1122 [inline]
 smp_apic_timer_interrupt+0x110/0x460 arch/x86/kernel/apic/apic.c:1147
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:834
RIP: 0010:__should_failslab+0x2a/0x150 mm/failslab.c:20
Code: 55 41 57 41 56 53 89 f5 49 89 ff e8 40 cc cf ff 48 c7 c0 40 6e ec 86 48 c1 e8 03 49 be 00 00 00 00 00 fc ff df 42 80 3c 30 00 <74> 0c 48 c7 c7 40 6e ec 86 e8 28 b1 ff ff 48 8b 1d 31 fe 57 05 89
RSP: 0018:ffff8881f6f09918 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff0dd8dc8 RBX: 0000000000000a20 RCX: ffff8881dc1c0fc0
RDX: 0000000000000100 RSI: 0000000000000a20 RDI: ffff8881f5c02f00
RBP: 0000000000000a20 R08: ffffffff83d7bb8b R09: ffffed103d23d352
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881e91e9a00
R13: ffff8881f5c02f00 R14: dffffc0000000000 R15: ffff8881f5c02f00
 should_failslab+0x5/0x20 mm/slab_common.c:1829
 slab_pre_alloc_hook mm/slab.h:567 [inline]
 slab_alloc_node mm/slub.c:2742 [inline]
 slab_alloc mm/slub.c:2837 [inline]
 kmem_cache_alloc_trace+0x28/0x260 mm/slub.c:2854
 kmalloc include/linux/slab.h:556 [inline]
 dst_cow_metrics_generic+0x52/0x1b0 net/core/dst.c:201
 dst_metrics_write_ptr include/net/dst.h:118 [inline]
 dst_metric_set include/net/dst.h:179 [inline]
 icmp6_dst_alloc+0x349/0x550 net/ipv6/route.c:3197
 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: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:schedule+0x143/0x1d0 kernel/sched/core.c:4377
Code: 74 39 bf 01 00 00 00 e8 fb a6 f4 fc 31 ff e8 b4 eb ff ff bf 01 00 00 00 e8 6a a8 f4 fc 4c 89 ef be 08 00 00 00 e8 ad b9 43 fd <42> 80 3c 23 00 74 c7 4c 89 ef e8 3e e6 43 fd eb bd 4d 89 ee 49 83
RSP: 0018:ffff8881d72f7ec0 EFLAGS: 00000256 ORIG_RAX: ffffffffffffff13
RAX: 0000000080000001 RBX: 1ffff1103b8381f8 RCX: ffffffff84503ae3
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff8881dc1c0fc0
RBP: 0000000000000008 R08: dffffc0000000000 R09: ffffed103b8381f9
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8881dc1c0fc0 R14: ffff8881dc1c0fd0 R15: 0000000000000008
 exit_to_usermode_loop+0x43/0x1a0 arch/x86/entry/common.c:149
 prepare_exit_to_usermode+0x199/0x200 arch/x86/entry/common.c:194
 ret_from_intr+0x1c/0x1c
RIP: 0033:0x7fc1f58a4239
Code: ff ff 01 64 48 8b 04 25 00 00 00 00 48 8d b8 c8 fe ff ff e8 b9 b0 0c 00 85 c0 0f 84 91 01 00 00 64 f0 83 2c 25 90 ff ff ff 01 <e8> 02 8b 0b 00 48 8b 0c 24 8b 00 48 83 b9 88 00 00 00 ff 89 81 90
RSP: 002b:00007fc1f4c55070 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 00007fc1f5b61fa0 RCX: 00007fc1f5a54766
RDX: 0000000000000000 RSI: 0000000000005452 RDI: 0000000000000005
RBP: 00007fc1f5a54766 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fc1f5b61fa0 R15: 00007fff232dcb28