watchdog: BUG: soft lockup - CPU#0 stuck for 141s! [syz.3.89:722]
Modules linked in:
CPU: 0 PID: 722 Comm: syz.3.89 Not tainted 5.15.156-syzkaller-00821-g29d153aabd54 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:decode_frame_pointer arch/x86/kernel/unwind_frame.c:169 [inline]
RIP: 0010:update_stack_state+0xa4/0x460 arch/x86/kernel/unwind_frame.c:201
Code: 48 89 d8 48 c1 e8 03 42 80 3c 30 00 74 08 48 89 df e8 40 ab 7d 00 48 8b 03 48 83 c0 10 48 89 45 98 48 8b 45 c0 89 c2 83 e2 01 <48> f7 da 48 89 c1 48 83 e1 fe 48 89 4d 88 48 21 ca 48 89 95 78 ff
RSP: 0018:ffffc90000007050 EFLAGS: 00000246
RAX: ffffc900000078b0 RBX: ffffc900000071d8 RCX: 0000000000007101
RDX: 0000000000000000 RSI: ffffc900000078b0 RDI: ffffc900000071f8
RBP: ffffc90000007108 R08: ffffc90000007288 R09: 0000000000000006
R10: ffffc90000007290 R11: dffffc0000000001 R12: 0000000000000000
R13: ffffc900000071f0 R14: dffffc0000000000 R15: ffffc900000071a0
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc74ba961b8 CR3: 000000014ab55000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 unwind_next_frame+0x3cb/0x700 arch/x86/kernel/unwind_frame.c:305
 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: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/0x16e0 net/ipv6/ip6_output.c:123
 __ip6_finish_output+0x60f/0x7c0 net/ipv6/ip6_output.c:197
 ip6_finish_output+0x31/0x210 net/ipv6/ip6_output.c:207
 NF_HOOK_COND include/linux/netfilter.h:294 [inline]
 ip6_output+0x1f7/0x4d0 net/ipv6/ip6_output.c:230
 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:509
 ndisc_send_rs+0x532/0x6a0 net/ipv6/ndisc.c:703
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3978
 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
 __do_softirq+0x26d/0x5bf kernel/softirq.c:565
 invoke_softirq kernel/softirq.c:425 [inline]
 __irq_exit_rcu+0x50/0xf0 kernel/softirq.c:648
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:660
 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:atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:513 [inline]
RIP: 0010:queued_write_lock include/asm-generic/qrwlock.h:94 [inline]
RIP: 0010:__raw_write_lock include/linux/rwlock_api_smp.h:211 [inline]
RIP: 0010:_raw_write_lock+0xbc/0x170 kernel/locking/spinlock.c:300
Code: e8 89 d7 cc fc 4c 89 ff be 04 00 00 00 e8 7c d7 cc fc 43 0f b6 04 26 84 c0 75 7d 8b 44 24 20 b9 ff 00 00 00 f0 41 0f b1 4d 00 <75> 33 48 c7 04 24 0e 36 e0 45 49 c7 04 1c 00 00 00 00 65 48 8b 04
RSP: 0018:ffffc90000d47700 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 1ffff920001a8ee0 RCX: 00000000000000ff
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc90000d47720
RBP: ffffc90000d47790 R08: dffffc0000000000 R09: 0000000000000003
R10: fffff520001a8ee4 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffffffff87585de0 R14: 1ffff920001a8ee4 R15: ffffc90000d47720
 netdev_run_todo+0x2c5/0x9f0 net/core/dev.c:10642
 rtnl_unlock+0xe/0x10 net/core/rtnetlink.c:112
 tun_detach drivers/net/tun.c:705 [inline]
 tun_chr_close+0xc4/0x140 drivers/net/tun.c:3435
 __fput+0x3fe/0x910 fs/file_table.c:280
 ____fput+0x15/0x20 fs/file_table.c:308
 task_work_run+0x129/0x190 kernel/task_work.c:164
 exit_task_work include/linux/task_work.h:32 [inline]
 do_exit+0xc48/0x2ca0 kernel/exit.c:878
 do_group_exit+0x141/0x310 kernel/exit.c:1000
 get_signal+0x7a3/0x1630 kernel/signal.c:2896
 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
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:307
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f6437190eb9
Code: Unable to access opcode bytes at RIP 0x7f6437190e8f.
RSP: 002b:00007f6435e0e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 00007f643732cf80 RCX: 00007f6437190eb9
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000003
RBP: 00007f64371fe93e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f643732cf80 R15: 00007fffcd6664b8
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 1622 Comm: syz-executor Not tainted 5.15.156-syzkaller-00821-g29d153aabd54 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:queued_write_lock_slowpath+0x159/0x440 kernel/locking/qrwlock.c:78
Code: 41 81 0f 00 01 00 00 48 8b 5c 24 08 43 0f b6 04 2e 84 c0 0f 85 94 00 00 00 41 8b 07 3d 00 01 00 00 74 27 f3 90 43 0f b6 04 2e <84> c0 74 eb 44 89 f9 80 e1 07 80 c1 03 38 c1 7c de 4c 89 ff e8 ae
RSP: 0018:ffffc90001226a40 EFLAGS: 00000206
RAX: 0000000000000000 RBX: 1ffff92000244d52 RCX: ffffffff8155393e
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffffff87585de0
RBP: ffffc90001226af0 R08: dffffc0000000000 R09: fffffbfff0eb0bbd
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90001226a90
R13: dffffc0000000000 R14: 1ffffffff0eb0bbc R15: ffffffff87585de0
FS:  00005555570af500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe73a86f58 CR3: 000000014c743000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 queued_write_lock include/asm-generic/qrwlock.h:97 [inline]
 __raw_write_lock include/linux/rwlock_api_smp.h:211 [inline]
 _raw_write_lock+0x10a/0x170 kernel/locking/spinlock.c:300
 register_netdevice+0xdf7/0x1390 net/core/dev.c:10365
 veth_newlink+0x72e/0xe20 drivers/net/veth.c:1683
 __rtnl_newlink net/core/rtnetlink.c:3501 [inline]
 rtnl_newlink+0x1495/0x2050 net/core/rtnetlink.c:3549
 rtnetlink_rcv_msg+0x951/0xc40 net/core/rtnetlink.c:5629
 netlink_rcv_skb+0x1cf/0x410 net/netlink/af_netlink.c:2505
 rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:5647
 netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline]
 netlink_unicast+0x8df/0xac0 net/netlink/af_netlink.c:1356
 netlink_sendmsg+0xa0a/0xd20 net/netlink/af_netlink.c:1924
 sock_sendmsg_nosec net/socket.c:704 [inline]
 __sock_sendmsg net/socket.c:716 [inline]
 __sys_sendto+0x564/0x720 net/socket.c:2058
 __do_sys_sendto net/socket.c:2070 [inline]
 __se_sys_sendto net/socket.c:2066 [inline]
 __x64_sys_sendto+0xe5/0x100 net/socket.c:2066
 x64_sys_call+0x15c/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:45
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f3a2926dcf3
Code: 64 89 02 48 c7 c0 ff ff ff ff eb b7 66 2e 0f 1f 84 00 00 00 00 00 90 80 3d 51 08 17 00 00 41 89 ca 74 14 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 75 c3 0f 1f 40 00 55 48 83 ec 30 44 89 4c 24
RSP: 002b:00007ffd4418c408 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f3a29f36620 RCX: 00007f3a2926dcf3
RDX: 000000000000006c RSI: 00007f3a29f36670 RDI: 0000000000000003
RBP: 0000000000000001 R08: 00007ffd4418c424 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f3a29f36670 R15: 0000000000000000
 </TASK>