watchdog: BUG: soft lockup - CPU#0 stuck for 111s! [syz-executor.4:23526] Modules linked in: CPU: 0 PID: 23526 Comm: syz-executor.4 Tainted: G W 5.10.210-syzkaller-00394-g70b6ab09a34b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:memcmp lib/string.c:963 [inline] RIP: 0010:bcmp+0xa/0xb0 lib/string.c:964 Code: 00 00 00 00 00 fc ff df eb bd 31 db 89 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 <41> 54 53 48 85 d2 0f 84 84 00 00 00 49 89 d6 49 89 f7 49 89 fc 48 RSP: 0018:ffffc90000d867d8 EFLAGS: 00000286 RAX: 0000000000000000 RBX: 0000000000000004 RCX: ffff888119274f00 RDX: 0000000000000004 RSI: ffffc90000d86880 RDI: ffff888126f6a15c RBP: ffffc90000d867f0 R08: ffffffff84980c75 R09: 0000000000000003 R10: fffff520001b0d10 R11: dffffc0000000001 R12: fffffffffffffc18 R13: ffff888126f6a1e8 R14: dffffc0000000000 R15: 000000000000035c FS: 00007faf737f66c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000012fd83000 CR4: 00000000003526b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rhashtable_compare include/linux/rhashtable.h:577 [inline] __rhashtable_lookup include/linux/rhashtable.h:602 [inline] rhashtable_lookup include/linux/rhashtable.h:638 [inline] tipc_sk_lookup+0x313/0x650 net/tipc/socket.c:2997 tipc_sk_rcv+0x499/0x1e30 net/tipc/socket.c:2488 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_rcv+0x177d/0x1e30 net/tipc/socket.c:2497 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:2571 release_sock net/core/sock.c:3122 [inline] sock_setsockopt+0x1e3b/0x2e00 net/core/sock.c:1257 __sys_setsockopt+0x441/0x870 net/socket.c:2142 __do_sys_setsockopt net/socket.c:2157 [inline] __se_sys_setsockopt net/socket.c:2154 [inline] __x64_sys_setsockopt+0xbf/0xd0 net/socket.c:2154 do_syscall_64+0x34/0x70 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7faf74aa3ea9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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:00007faf737f60c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007faf74bd2050 RCX: 00007faf74aa3ea9 RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000005 RBP: 00007faf74af04a4 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000020000540 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007faf74bd2050 R15: 00007fffb409d308 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:60 [inline] NMI backtrace for cpu 1 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:103 [inline] NMI backtrace for cpu 1 skipped: idling at acpi_safe_halt drivers/acpi/processor_idle.c:113 [inline] NMI backtrace for cpu 1 skipped: idling at acpi_idle_do_entry drivers/acpi/processor_idle.c:575 [inline] NMI backtrace for cpu 1 skipped: idling at acpi_idle_enter+0x416/0x760 drivers/acpi/processor_idle.c:710