RBP: 00007f733c84a296 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000020000540 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f733c990058 R15: 00007ffddaa2a7e8 watchdog: BUG: soft lockup - CPU#1 stuck for 266s! [syz.2.2974:9119] Modules linked in: CPU: 1 PID: 9119 Comm: syz.2.2974 Tainted: G W 5.15.165-syzkaller-01568-g80dd36dca275 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:__refcount_sub_and_test include/linux/refcount.h:277 [inline] RIP: 0010:__refcount_dec_and_test include/linux/refcount.h:315 [inline] RIP: 0010:refcount_dec_and_test include/linux/refcount.h:333 [inline] RIP: 0010:sock_put include/net/sock.h:1920 [inline] RIP: 0010:tipc_sk_rcv+0x1238/0x1b50 net/tipc/socket.c:2502 Code: ce f4 fe ff 48 8b 7c 24 30 48 83 ef 80 48 89 7c 24 30 be 04 00 00 00 e8 46 02 e6 fc bb ff ff ff ff f0 41 0f c1 9d 80 00 00 00 01 00 00 00 89 de e8 dc b1 a3 fc 83 fb 01 75 0f e8 22 ae a3 fc RSP: 0018:ffffc90000a769e0 EFLAGS: 00000213 RAX: 0000000000000001 RBX: 0000000000000005 RCX: ffffffff84ccb57a RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888125029e80 RBP: ffffc90000a76c30 R08: dffffc0000000000 R09: ffffed1024a053d1 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff888125029e00 R14: 00000000bebe29c1 R15: ffffc90000a76e20 FS: 00007f733b4306c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6c555f8d58 CR3: 00000001116cb000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000020000300 DR2: 0000000020000300 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: 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:2730 release_sock net/core/sock.c:3281 [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 x64_sys_call+0x1a2/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:55 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: 0033:0x7f733c7d7ff9 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:00007f733b430038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f733c990058 RCX: 00007f733c7d7ff9 RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000005 RBP: 00007f733c84a296 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000020000540 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f733c990058 R15: 00007ffddaa2a7e8 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline] NMI backtrace for cpu 0 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline] NMI backtrace for cpu 0 skipped: idling at acpi_safe_halt drivers/acpi/processor_idle.c:108 [inline] NMI backtrace for cpu 0 skipped: idling at acpi_idle_do_entry drivers/acpi/processor_idle.c:562 [inline] NMI backtrace for cpu 0 skipped: idling at acpi_idle_enter+0x416/0x760 drivers/acpi/processor_idle.c:697