RBP: 00007f7d918943f8 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000020000540 R11: 0000000000000246 R12: 00007f7d918943f0 R13: 00007f7d918943fc R14: 00007ffc3b529d70 R15: 00007ffc3b529e58 watchdog: BUG: soft lockup - CPU#0 stuck for 246s! [syz-executor218:6110] Modules linked in: CPU: 0 PID: 6110 Comm: syz-executor218 Not tainted 5.15.148-syzkaller-00718-g993bed180178 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:arch_atomic_try_cmpxchg arch/x86/include/asm/atomic.h:202 [inline] RIP: 0010:atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:513 [inline] RIP: 0010:queued_spin_lock include/asm-generic/qspinlock.h:82 [inline] RIP: 0010:do_raw_spin_lock include/linux/spinlock.h:187 [inline] RIP: 0010:__raw_spin_lock_bh include/linux/spinlock_api_smp.h:136 [inline] RIP: 0010:_raw_spin_lock_bh+0xa9/0x1b0 kernel/locking/spinlock.c:178 Code: 00 00 00 c7 44 24 20 00 00 00 00 4c 89 ef be 04 00 00 00 e8 19 7a e9 fc 4c 89 ff be 04 00 00 00 e8 0c 7a e9 fc 43 0f b6 04 26 <84> c0 0f 85 aa 00 00 00 8b 44 24 20 b9 01 00 00 00 f0 41 0f b1 4d RSP: 0018:ffffc90005396940 EFLAGS: 00000297 RAX: 0000000000000004 RBX: 1ffff92000a72d28 RCX: ffffffff84c8ba14 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc90005396960 RBP: ffffc900053969d0 R08: dffffc0000000000 R09: 0000000000000003 R10: fffff52000a72d2c R11: dffffc0000000001 R12: dffffc0000000000 R13: ffffc90005396e34 R14: 1ffff92000a72d2c R15: ffffc90005396960 FS: 00007f7d917a96c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7d917a9d58 CR3: 00000001125b1000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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 net/tipc/node.c:1768 [inline] tipc_node_distr_xmit+0x36a/0x4d0 net/tipc/node.c:1783 tipc_sk_rcv+0x1212/0x1b50 net/tipc/socket.c:2501 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:1069 [inline] __release_sock+0x145/0x410 net/core/sock.c:2719 release_sock net/core/sock.c:3270 [inline] sock_setsockopt+0x181a/0x2eb0 net/core/sock.c:1380 __sys_setsockopt+0x423/0x840 net/socket.c:2194 __do_sys_setsockopt net/socket.c:2209 [inline] __se_sys_setsockopt net/socket.c:2206 [inline] __x64_sys_setsockopt+0xbf/0xd0 net/socket.c:2206 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f7d91809b59 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 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:00007f7d917a9228 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f7d917a96c0 RCX: 00007f7d91809b59 RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003 RBP: 00007f7d918943f8 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000020000540 R11: 0000000000000246 R12: 00007f7d918943f0 R13: 00007f7d918943fc R14: 00007ffc3b529d70 R15: 00007ffc3b529e58