watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz.1.267:1536]
Modules linked in:
CPU: 0 PID: 1536 Comm: syz.1.267 Not tainted 5.10.234-syzkaller-00148-g6686f2996d23 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:native_restore_fl arch/x86/include/asm/irqflags.h:41 [inline]
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/irqflags.h:84 [inline]
RIP: 0010:kvm_wait+0xfc/0x150 arch/x86/kernel/kvm.c:926
Code: 38 f0 75 26 41 f7 c7 00 02 00 00 75 0f 0f 1f 44 00 00 0f 00 2d a5 53 d5 03 f4 eb 0e 0f 1f 44 00 00 0f 00 2d 96 53 d5 03 fb f4 <4c> 89 7c 24 18 ff 74 24 18 9d 48 c7 44 24 20 0e 36 e0 45 49 c7 04
RSP: 0018:ffffc900014479e0 EFLAGS: 00000246
RAX: 0000000000000003 RBX: 1ffff92000288f40 RCX: ffffffff8150ca64
RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc90001447a20
RBP: ffffc90001447a90 R08: dffffc0000000000 R09: ffffed10216dcdb2
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88810b6e6d88 R14: 0000000000000003 R15: 0000000000000246
FS: 00005555792bf500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff239b78bb5 CR3: 000000012124d000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
pv_wait arch/x86/include/asm/paravirt.h:564 [inline]
pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
__pv_queued_spin_lock_slowpath+0x72f/0xc70 kernel/locking/qspinlock.c:508
pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:554 [inline]
queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
do_raw_spin_lock include/linux/spinlock.h:183 [inline]
__raw_spin_lock_bh include/linux/spinlock_api_smp.h:136 [inline]
_raw_spin_lock_bh+0x139/0x1b0 kernel/locking/spinlock.c:175
spin_lock_bh include/linux/spinlock.h:359 [inline]
lock_sock_nested+0x92/0x300 net/core/sock.c:3117
lock_sock include/net/sock.h:1648 [inline]
tipc_release+0x57/0x1440 net/tipc/socket.c:626
__sock_release net/socket.c:597 [inline]
sock_close+0xdf/0x270 net/socket.c:1286
__fput+0x33d/0x7b0 fs/file_table.c:281
____fput+0x15/0x20 fs/file_table.c:314
task_work_run+0x129/0x190 kernel/task_work.c:189
tracehook_notify_resume include/linux/tracehook.h:188 [inline]
exit_to_user_mode_loop+0xbf/0xd0 kernel/entry/common.c:172
exit_to_user_mode_prepare kernel/entry/common.c:199 [inline]
syscall_exit_to_user_mode+0xa2/0x1a0 kernel/entry/common.c:274
do_syscall_64+0x40/0x70 arch/x86/entry/common.c:56
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fca79bb7de9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc13f727a8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007fca79dd2ba0 RCX: 00007fca79bb7de9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007fca79dd2ba0 R08: 000000000000012c R09: 0000001013f72a9f
R10: 00007fca79dd2ac0 R11: 0000000000000246 R12: 0000000000011f13
R13: 00007fca79dd1080 R14: ffffffffffffffff R15: 00007ffc13f728c0
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 1537 Comm: syz.1.267 Not tainted 5.10.234-syzkaller-00148-g6686f2996d23 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:msg_word net/tipc/msg.h:207 [inline]
RIP: 0010:msg_destport net/tipc/msg.h:614 [inline]
RIP: 0010:tipc_skb_peek_port net/tipc/msg.h:1250 [inline]
RIP: 0010:tipc_sk_rcv+0x335/0x1e30 net/tipc/socket.c:2487
Code: 00 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 4e 44 0e fd 48 8b 1b 48 83 c3 14 48 89 d8 48 c1 e8 03 42 0f b6 04 20 <84> c0 0f 85 25 19 00 00 44 8b 33 41 0f ce 83 7c 24 28 00 0f 84 0a
RSP: 0018:ffffc90001486a40 EFLAGS: 00000a07
RAX: 0000000000000000 RBX: ffff8881163cf8c4 RCX: 0000000000000001
RDX: ffff8881131c62c0 RSI: 00000000b54a817c RDI: 0000000000000000
RBP: ffffc90001486cd0 R08: ffffffff849a1a35 R09: 0000000000000003
R10: fffff52000290d38 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff888116900f00 R14: 00000000b54a817c R15: ffffc90001486e80
FS: 00007fca782226c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fca78201d58 CR3: 000000012124d000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
tipc_node_xmit+0x34b/0xe30 net/tipc/node.c:1674
tipc_node_xmit_skb+0x153/0x1b0 net/tipc/node.c:1739
tipc_sk_rcv+0x1c0b/0x1e30 net/tipc/socket.c:2518
tipc_node_xmit+0x34b/0xe30 net/tipc/node.c:1674
tipc_sk_push_backlog net/tipc/socket.c:1306 [inline]
tipc_sk_filter_connect net/tipc/socket.c:2253 [inline]
tipc_sk_filter_rcv+0x1da8/0x3e00 net/tipc/socket.c:2362
tipc_sk_enqueue net/tipc/socket.c:2442 [inline]
tipc_sk_rcv+0x8a1/0x1e30 net/tipc/socket.c:2493
tipc_node_xmit+0x34b/0xe30 net/tipc/node.c:1674
tipc_node_xmit_skb net/tipc/node.c:1739 [inline]
tipc_node_distr_xmit+0x36a/0x4d0 net/tipc/node.c:1754
tipc_sk_backlog_rcv+0x18b/0x210 net/tipc/socket.c:2410
sk_backlog_rcv include/net/sock.h:1052 [inline]
__release_sock+0x148/0x410 net/core/sock.c:2583
release_sock+0x65/0x1b0 net/core/sock.c:3134
tipc_release+0xb6b/0x1440 net/tipc/socket.c:639
__sock_release net/socket.c:597 [inline]
sock_close+0xdf/0x270 net/socket.c:1286
__fput+0x33d/0x7b0 fs/file_table.c:281
____fput+0x15/0x20 fs/file_table.c:314
task_work_run+0x129/0x190 kernel/task_work.c:189
tracehook_notify_resume include/linux/tracehook.h:188 [inline]
exit_to_user_mode_loop+0xbf/0xd0 kernel/entry/common.c:172
exit_to_user_mode_prepare kernel/entry/common.c:199 [inline]
syscall_exit_to_user_mode+0xa2/0x1a0 kernel/entry/common.c:274
do_syscall_64+0x40/0x70 arch/x86/entry/common.c:56
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fca79bb7de9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fca78222038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: 00000000000203a0 RBX: 00007fca79dd0fa0 RCX: 00007fca79bb7de9
RDX: 0000000000000000 RSI: 00004000000003c0 RDI: 0000000000000004
RBP: 00007fca79c392a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fca79dd0fa0 R15: 00007ffc13f72648