syzbot

watchdog: BUG: soft lockup - CPU#0 stuck for 246s! [syz-executor276:506]
Modules linked in:
CPU: 0 PID: 506 Comm: syz-executor276 Not tainted 5.15.176-syzkaller-00066-gd1a25a6a4b3b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:__kasan_check_write+0x0/0x20 mm/kasan/shadow.c:36
Code: 86 6f 2e 03 31 db eb d3 cc cc 55 48 89 e5 89 f6 48 8b 4d 08 31 d2 e8 ff ed ff ff 5d c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 <55> 48 89 e5 89 f6 48 8b 4d 08 ba 01 00 00 00 e8 dc ed ff ff 5d c3
RSP: 0018:ffffc90000a268f8 EFLAGS: 00000297
RAX: 0000000000000004 RBX: 1ffff92000144d20 RCX: 0000000000a26903
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffc90000a26db4
RBP: ffffc90000a26990 R08: ffffffff84cdd1e1 R09: ffffed1021b36bd1
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffffc90000a26db4 R14: 1ffff92000144d24 R15: ffffc90000a26920
FS:  00007f67879ec6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6787a67610 CR3: 0000000121411000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 spin_lock_bh include/linux/spinlock.h:368 [inline]
 tipc_skb_peek_port net/tipc/msg.h:1248 [inline]
 tipc_sk_rcv+0x299/0x1b50 net/tipc/socket.c:2491
 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:2733
 release_sock+0x65/0x1b0 net/core/sock.c:3284
 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
 ptrace_notify+0x29e/0x350 kernel/signal.c:2391
 ptrace_report_syscall include/linux/tracehook.h:66 [inline]
 tracehook_report_syscall_exit include/linux/tracehook.h:130 [inline]
 arch_syscall_exit_tracehook include/linux/entry-common.h:297 [inline]
 syscall_exit_work kernel/entry/common.c:262 [inline]
 syscall_exit_to_user_mode_prepare kernel/entry/common.c:289 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:294 [inline]
 syscall_exit_to_user_mode+0xa3/0x160 kernel/entry/common.c:307
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f6787a2b969
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:00007f67879ec218 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: 00000000000203a0 RBX: 00007f6787ab8328 RCX: 00007f6787a2b969
RDX: 0000000000000000 RSI: 00000000200003c0 RDI: 0000000000000003
RBP: 00007f6787ab8320 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6787a85084
R13: 00007f6787a83078 R14: 00007f6787a84080 R15: 618a5986bea2420f
 </TASK>