watchdog: BUG: soft lockup - CPU#0 stuck for 121s! [syz.4.357:1954]
Modules linked in:
CPU: 0 PID: 1954 Comm: syz.4.357 Not tainted 6.1.90-syzkaller-00005-g8288de83062c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:txq_trans_update include/linux/netdevice.h:4412 [inline]
RIP: 0010:netdev_start_xmit include/linux/netdevice.h:4924 [inline]
RIP: 0010:xmit_one net/core/dev.c:3634 [inline]
RIP: 0010:dev_hard_start_xmit+0x212/0x630 net/core/dev.c:3650
Code: 6c fd 45 85 ed 74 0a e8 2c 29 6c fd e9 9c 00 00 00 48 8b 5d 80 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 <84> c0 0f 85 27 01 00 00 8b 1b bf ff ff ff ff 89 de e8 a8 2c 6c fd
RSP: 0018:ffffc90000007380 EFLAGS: 00000a07
RAX: 0000000000000000 RBX: ffff88812d12f0c4 RCX: dffffc0000000000
RDX: ffff88810e65d100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000007410 R08: ffffffff8409797a R09: ffffed102392f408
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88812d94f780
R13: 0000000000000000 R14: 0000000000000000 R15: 1ffff11025b29ef0
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555564e84a8 CR3: 000000010edf4000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __dev_queue_xmit+0x18a4/0x36e0 net/core/dev.c:4300
 dev_queue_xmit include/linux/netdevice.h:3076 [inline]
 neigh_resolve_output+0x6e3/0x7f0 net/core/neighbour.c:1563
 neigh_output include/net/neighbour.h:552 [inline]
 ip6_finish_output2+0x122b/0x1840 net/ipv6/ip6_output.c:134
 __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:finish_task_switch+0x16f/0x7b0 kernel/sched/core.c:5295
Code: 74 08 4c 89 ff e8 11 5c 6c 00 49 8b 1f 48 85 db 4c 8b 6d c0 0f 85 ce 00 00 00 4c 89 e7 e8 39 ff ce 03 fb 49 8d 9d 48 0b 00 00 <48> 89 d8 48 c1 e8 03 49 be 00 00 00 00 00 fc ff df 42 0f b6 04 30
RSP: 0018:ffffc90000fb7080 EFLAGS: 00000282
RAX: 0000000080000001 RBX: ffff88810e65dc48 RCX: 0000000000000002
RDX: 0000000040000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90000fb70d0 R08: ffffffff819b54a0 R09: fffffbfff0ee5117
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f7037c80
R13: ffff88810e65d100 R14: 1ffff1103ee070fc R15: ffff8881f70387e0
 context_switch kernel/sched/core.c:5421 [inline]
 __schedule+0xcaf/0x1550 kernel/sched/core.c:6744
 preempt_schedule_common+0x9b/0xf0 kernel/sched/core.c:6913
 preempt_schedule+0xd9/0xe0 kernel/sched/core.c:6937
 preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:34
 __raw_spin_unlock include/linux/spinlock_api_smp.h:143 [inline]
 _raw_spin_unlock+0x5f/0x70 kernel/locking/spinlock.c:186
 spin_unlock include/linux/spinlock.h:391 [inline]
 zap_pte_range mm/memory.c:1530 [inline]
 zap_pmd_range mm/memory.c:1589 [inline]
 zap_pud_range mm/memory.c:1618 [inline]
 zap_p4d_range mm/memory.c:1639 [inline]
 unmap_page_range+0xaae/0x2480 mm/memory.c:1660
 unmap_single_vma mm/memory.c:1706 [inline]
 unmap_vmas+0x4e4/0x660 mm/memory.c:1746
 exit_mmap+0x2d1/0x940 mm/mmap.c:3336
 __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: 0033:0x7faa473799f9
Code: Unable to access opcode bytes at 0x7faa473799cf.
RSP: 002b:00007faa4818c038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 00007faa47515f80 RCX: 00007faa473799f9
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000003
RBP: 00007faa473e78ee R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007faa47515f80 R15: 00007ffd3f936538
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 1187 Comm: syz.3.211 Not tainted 6.1.90-syzkaller-00005-g8288de83062c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:check_preemption_disabled+0x0/0x110 lib/smp_processor_id.c:13
Code: f9 ff ff 5d c3 cc cc cc cc cc 55 48 89 e5 48 c7 c7 e0 fa c9 85 48 c7 c6 20 fb c9 85 e8 09 00 00 00 5d c3 0f 1f 80 00 00 00 00 <55> 48 89 e5 41 57 41 56 41 54 53 48 83 ec 10 65 48 8b 04 25 28 00
RSP: 0018:ffffc900001b04b8 EFLAGS: 00000092
RAX: 1ffff1103ee24e62 RBX: ffffc900001b0528 RCX: ffff88811b89a880
RDX: 1ffffffff0f2d208 RSI: ffffffff8567e0e0 RDI: ffffffff85c9fb40
RBP: ffffc900001b04c0 R08: ffffffff87969040 R09: ffffffff87969048
R10: ffffffff87969058 R11: ffffffff87969050 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f19d38456c0 CR3: 0000000006e0f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 set_irq_regs include/asm-generic/irq_regs.h:28 [inline]
 __sysvec_apic_timer_interrupt+0x1c/0x3c0 arch/x86/kernel/apic/apic.c:1108
 sysvec_apic_timer_interrupt+0x44/0xc0 arch/x86/kernel/apic/apic.c:1106
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:update_stack_state+0x14/0x460 arch/x86/kernel/unwind_frame.c:198
Code: 00 00 00 00 66 90 55 48 89 e5 48 8b 07 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 81 ec 90 00 00 00 <48> 89 75 c0 49 89 ff 49 be 00 00 00 00 00 fc ff df 48 89 f8 48 c1
RSP: 0018:ffffc900001b05d0 EFLAGS: 00000282
RAX: ffffc900001b0f00 RBX: ffffc900001b0d70 RCX: ffffffff877a1000
RDX: dffffc0000000000 RSI: ffffc900001b0f00 RDI: ffffc900001b0720
RBP: ffffc900001b0688 R08: ffffc900001b0808 R09: 0000000000000009
R10: ffffc900001b0810 R11: dffffc0000000001 R12: 0000000000000000
R13: ffffc900001b0770 R14: ffffc900001b0720 R15: 1ffff920000360e4
 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_node_track_caller+0xb3/0x1e0 mm/slab_common.c:977
 kmalloc_reserve net/core/skbuff.c:446 [inline]
 __alloc_skb+0x125/0x2d0 net/core/skbuff.c:515
 alloc_skb include/linux/skbuff.h:1290 [inline]
 ndisc_alloc_skb+0xf3/0x2d0 net/ipv6/ndisc.c:422
 ndisc_send_rs+0x264/0x5f0 net/ipv6/ndisc.c:703
 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:__schedule+0xcaf/0x1550
Code: 44 24 68 42 0f b6 04 28 84 c0 0f 85 83 02 00 00 41 80 24 24 fc 4c 89 f7 48 8b 74 24 20 e8 a9 c4 e2 fb 48 89 c7 e8 81 d7 32 fc <48> 8b 44 24 70 48 c7 84 24 80 00 00 00 0e 36 e0 45 49 c7 44 05 00
RSP: 0018:ffffc90000d77000 EFLAGS: 00000282
RAX: 0000000080000001 RBX: 1ffff1103ee270fc RCX: 0000000000000002
RDX: 0000000000000001 RSI: 0000000000000008 RDI: 0000000000000001
RBP: ffffc90000d77108 R08: dffffc0000000000 R09: ffffed1023713511
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88811b89a880
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8881f71387e0
 preempt_schedule_common+0x9b/0xf0 kernel/sched/core.c:6913
 preempt_schedule+0xd9/0xe0 kernel/sched/core.c:6937
 preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:34
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
 _raw_spin_unlock_irqrestore+0x70/0x80 kernel/locking/spinlock.c:194
 swake_up_one+0x152/0x170 kernel/sched/swait.c:53
 swake_up_one_online+0x6b/0x110 kernel/rcu/tree.c:1082
 __rcu_report_exp_rnp+0x1af/0x1c0 kernel/rcu/tree_exp.h:202
 rcu_report_exp_rnp kernel/rcu/tree_exp.h:224 [inline]
 rcu_preempt_deferred_qs_irqrestore+0x728/0x9e0 kernel/rcu/tree_plugin.h:567
 rcu_read_unlock_special+0xdb/0x4e0 kernel/rcu/tree_plugin.h:681
 __rcu_read_unlock+0x7e/0xd0 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:832 [inline]
 page_ext_put+0x1c/0x30 mm/page_ext.c:187
 __reset_page_owner+0x175/0x190 mm/page_owner.c:176
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1498 [inline]
 free_pcp_prepare mm/page_alloc.c:1572 [inline]
 free_unref_page_prepare+0x83d/0x850 mm/page_alloc.c:3498
 free_unref_page+0xb2/0x5c0 mm/page_alloc.c:3594
 free_the_page mm/page_alloc.c:798 [inline]
 __free_pages+0x61/0xf0 mm/page_alloc.c:5803
 __vunmap+0x9f3/0xb60 mm/vmalloc.c:2728
 __vfree mm/vmalloc.c:2776 [inline]
 vfree+0x5c/0x80 mm/vmalloc.c:2807
 kcov_put kernel/kcov.c:428 [inline]
 kcov_close+0x2b/0x50 kernel/kcov.c:524
 __fput+0x3ab/0x870 fs/file_table.c:320
 ____fput+0x15/0x20 fs/file_table.c:348
 task_work_run+0x24d/0x2e0 kernel/task_work.c:179
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xbd5/0x2b80 kernel/exit.c:875
 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: 0033:0x7fef8c7799f9
Code: Unable to access opcode bytes at 0x7fef8c7799cf.
RSP: 002b:00007fef8d5f7038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 00007fef8c915f80 RCX: 00007fef8c7799f9
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000007
RBP: 00007fef8c7e78ee R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fef8c915f80 R15: 00007ffe51c9f5a8
 </TASK>