watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz-executor588:844]
Modules linked in:
CPU: 1 PID: 844 Comm: syz-executor588 Not tainted 5.10.226-syzkaller-00031-gb14940b90491 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__refcount_add include/linux/refcount.h:198 [inline]
RIP: 0010:__refcount_inc include/linux/refcount.h:250 [inline]
RIP: 0010:refcount_inc include/linux/refcount.h:267 [inline]
RIP: 0010:sock_hold include/net/sock.h:732 [inline]
RIP: 0010:tipc_sk_lookup+0x4ed/0x650 net/tipc/socket.c:2999
Code: 0f b7 00 49 29 c5 74 63 4d 8d b5 80 00 00 00 4c 89 f7 be 04 00 00 00 e8 91 a8 0e fd bb 01 00 00 00 f0 41 0f c1 9d 80 00 00 00 <31> ff 89 de e8 2a 0f d1 fc 85 db 0f 84 83 00 00 00 44 8d 7b 01 44
RSP: 0018:ffffc90001246860 EFLAGS: 00000206
RAX: 0000000000000301 RBX: 0000000000000004 RCX: ffffffff8499a15f
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff88810e9cc580
RBP: ffffc90001246950 R08: dffffc0000000000 R09: ffffed1021d398b1
R10: 0000000000000000 R11: dffffc0000000001 R12: fffffffffffffc18
R13: ffff88810e9cc500 R14: ffff88810e9cc580 R15: 000000000000035c
FS:  00007fc49055c6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc49053bd58 CR3: 000000011222d000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 tipc_sk_rcv+0x499/0x1e30 net/tipc/socket.c:2488
 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:1050 [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
 ptrace_notify+0x29e/0x350 kernel/signal.c:2277
 ptrace_report_syscall include/linux/tracehook.h:66 [inline]
 tracehook_report_syscall_exit include/linux/tracehook.h:129 [inline]
 arch_syscall_exit_tracehook include/linux/entry-common.h:285 [inline]
 syscall_exit_work kernel/entry/common.c:239 [inline]
 syscall_exit_to_user_mode_prepare kernel/entry/common.c:266 [inline]
 syscall_exit_to_user_mode+0xf5/0x1a0 kernel/entry/common.c:272
 do_syscall_64+0x40/0x70 arch/x86/entry/common.c:56
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fc49059eea9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc49055c168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: 00000000000203a0 RBX: 00007fc49062a328 RCX: 00007fc49059eea9
RDX: 0000000000000000 RSI: 00000000200003c0 RDI: 0000000000000003
RBP: 00007fc49062a320 R08: 00007fc49055c6c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc49062a32c
R13: 0000000000000000 R14: 00007fffb033acd0 R15: 00007fffb033adb8