watchdog: BUG: soft lockup - CPU#0 stuck for 241s! [syz.7.1180:4745]
Modules linked in:
CPU: 0 PID: 4745 Comm: syz.7.1180 Not tainted 5.15.173-syzkaller-00206-gf7ce2ffd2f33 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:rhashtable_lookup include/linux/rhashtable.h:638 [inline]
RIP: 0010:tipc_sk_lookup+0x2d0/0x650 net/tipc/socket.c:2999
Code: c1 e8 03 48 89 44 24 48 42 0f b6 04 30 84 c0 0f 85 cc 00 00 00 45 0f b7 27 48 8b 5c 24 50 48 89 d8 48 c1 e8 03 42 0f b6 04 30 <84> c0 0f 85 cc 00 00 00 44 0f b7 3b 48 8b 5c 24 58 48 89 d8 48 c1
RSP: 0018:ffffc90001a8e960 EFLAGS: 00000a07
RAX: 0000000000000000 RBX: ffff8881097d50dc RCX: ffff88811583cf00
RDX: ffffc90001281000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90001a8ea50 R08: ffffffff84cd8655 R09: 0000000000000003
R10: fffff52000351d3c R11: dffffc0000000001 R12: 00000000000003f8
R13: ffff88810bead2f8 R14: dffffc0000000000 R15: ffff8881097d50de
FS:  00007f4d3d90f6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200191e0 CR3: 0000000111e42000 CR4: 00000000003506b0
DR0: 000000000000000a DR1: 0000000000007314 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 tipc_sk_rcv+0x459/0x1b50 net/tipc/socket.c:2492
 tipc_node_xmit+0x34e/0xe40 net/tipc/node.c:1703
 tipc_node_xmit_skb+0x153/0x1b0 net/tipc/node.c:1768
 tipc_sk_rcv+0x1690/0x1b50 net/tipc/socket.c:2522
 tipc_node_xmit+0x34e/0xe40 net/tipc/node.c:1703
 tipc_sk_push_backlog net/tipc/socket.c:1316 [inline]
 tipc_sk_filter_connect net/tipc/socket.c:2255 [inline]
 tipc_sk_filter_rcv+0x194e/0x3380 net/tipc/socket.c:2364
 tipc_sk_enqueue net/tipc/socket.c:2445 [inline]
 tipc_sk_rcv+0x80c/0x1b50 net/tipc/socket.c:2497
 tipc_node_xmit+0x34e/0xe40 net/tipc/node.c:1703
 tipc_node_xmit_skb net/tipc/node.c:1768 [inline]
 tipc_node_distr_xmit+0x36a/0x4d0 net/tipc/node.c:1783
 tipc_sk_backlog_rcv+0x18b/0x210 net/tipc/socket.c:2412
 sk_backlog_rcv include/net/sock.h:1071 [inline]
 __release_sock+0x145/0x410 net/core/sock.c:2730
 release_sock+0x65/0x1b0 net/core/sock.c:3281
 tipc_release+0xee9/0x1300 net/tipc/socket.c:652
 __sock_release net/socket.c:649 [inline]
 sock_close+0xdf/0x270 net/socket.c:1336
 __fput+0x228/0x8c0 fs/file_table.c:280
 ____fput+0x15/0x20 fs/file_table.c:308
 task_work_run+0x129/0x190 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0xc4/0xe0 kernel/entry/common.c:181
 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: 0033:0x7f4d3f29dd29
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:00007f4d3d90f038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: 00000000000203a0 RBX: 00007f4d3f48dfa0 RCX: 00007f4d3f29dd29
RDX: 0000000000000000 RSI: 00000000200003c0 RDI: 0000000000000005
RBP: 00007f4d3f319b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4d3f48dfa0 R15: 00007ffe2e817c58
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 4746 Comm: syz.7.1180 Not tainted 5.15.173-syzkaller-00206-gf7ce2ffd2f33 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline]
RIP: 0010:arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline]
RIP: 0010:kvm_wait+0x147/0x180 arch/x86/kernel/kvm.c:918
Code: 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b 74 24 1c 75 34 41 0f b6 45 00 44 38 f0 75 10 66 90 0f 00 2d 1b d9 12 04 fb f4 <e9> 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c
RSP: 0018:ffffc90000d1f660 EFLAGS: 00000246
RAX: 0000000000000003 RBX: 1ffff920001a3ed0 RCX: ffffffff81553bdf
RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff88810beacf88
RBP: ffffc90000d1f710 R08: dffffc0000000000 R09: ffffed10217d59f2
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88810beacf88 R14: 0000000000000003 R15: 1ffff920001a3ed4
FS:  00007f4d3d8ee6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4d3f32e04e CR3: 0000000111e42000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 pv_wait arch/x86/include/asm/paravirt.h:597 [inline]
 pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
 __pv_queued_spin_lock_slowpath+0x6bc/0xc40 kernel/locking/qspinlock.c:508
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [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:187 [inline]
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:136 [inline]
 _raw_spin_lock_bh+0x139/0x1b0 kernel/locking/spinlock.c:178
 spin_lock_bh include/linux/spinlock.h:368 [inline]
 lock_sock_nested+0x97/0x300 net/core/sock.c:3269
 lock_sock include/net/sock.h:1678 [inline]
 tipc_sendstream+0x47/0x70 net/tipc/socket.c:1549
 sock_sendmsg_nosec net/socket.c:704 [inline]
 __sock_sendmsg net/socket.c:716 [inline]
 ____sys_sendmsg+0x59e/0x8f0 net/socket.c:2436
 ___sys_sendmsg+0x252/0x2e0 net/socket.c:2490
 __sys_sendmsg net/socket.c:2519 [inline]
 __do_sys_sendmsg net/socket.c:2528 [inline]
 __se_sys_sendmsg+0x19a/0x260 net/socket.c:2526
 __x64_sys_sendmsg+0x7b/0x90 net/socket.c:2526
 x64_sys_call+0x16a/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:47
 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: 0033:0x7f4d3f29dd29
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:00007f4d3d8ee038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f4d3f48e080 RCX: 00007f4d3f29dd29
RDX: 0000000000000110 RSI: 00000000200002c0 RDI: 0000000000000005
RBP: 00007f4d3f319b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4d3f48e080 R15: 00007ffe2e817c58
 </TASK>