watchdog: BUG: soft lockup - CPU#0 stuck for 143s! [syz-executor.0:4269] Modules linked in: CPU: 0 PID: 4269 Comm: syz-executor.0 Not tainted 6.1.99-syzkaller-1151491-gd4dab27b9d1c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline] RIP: 0010:arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline] RIP: 0010:kvm_wait+0x147/0x180 arch/x86/kernel/kvm.c:1064 Code: 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b 74 24 1c 75 34 41 0f b6 45 00 44 38 f0 75 10 66 90 0f 00 2d 9b 04 51 04 fb f4 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c RSP: 0018:ffffc900007cf760 EFLAGS: 00000246 RAX: 0000000000000003 RBX: 1ffff920000f9ef0 RCX: ffffffff8520199c RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff888110b78598 RBP: ffffc900007cf810 R08: dffffc0000000000 R09: ffffed102216f0b4 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff888110b78598 R14: 0000000000000003 R15: 1ffff920000f9ef4 FS: 00007fad4101b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fad402c9394 CR3: 000000010d29a000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pv_wait arch/x86/include/asm/paravirt.h:603 [inline] pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline] __pv_queued_spin_lock_slowpath+0x6de/0xda0 kernel/locking/qspinlock.c:511 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:591 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline] queued_spin_lock include/asm-generic/qspinlock.h:114 [inline] do_raw_spin_lock include/linux/spinlock.h:187 [inline] __raw_spin_lock_bh include/linux/spinlock_api_smp.h:127 [inline] _raw_spin_lock_bh+0x139/0x1b0 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [inline] lock_sock_nested+0x92/0x300 net/core/sock.c:3504 lock_sock include/net/sock.h:1761 [inline] tipc_sendstream+0x47/0x70 net/tipc/socket.c:1549 sock_sendmsg_nosec net/socket.c:716 [inline] __sock_sendmsg net/socket.c:728 [inline] ____sys_sendmsg+0x5d3/0x9a0 net/socket.c:2504 ___sys_sendmsg net/socket.c:2558 [inline] __sys_sendmsg+0x2a9/0x390 net/socket.c:2587 __do_sys_sendmsg net/socket.c:2596 [inline] __se_sys_sendmsg net/socket.c:2594 [inline] __x64_sys_sendmsg+0x7f/0x90 net/socket.c:2594 x64_sys_call+0x16a/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:47 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fad4027dca9 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:00007fad4101b0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fad403ac050 RCX: 00007fad4027dca9 RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000004 RBP: 00007fad402c947e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fad403ac050 R15: 00007ffc55b09648 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 4268 Comm: syz-executor.0 Not tainted 6.1.99-syzkaller-1151491-gd4dab27b9d1c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:rht_is_a_nulls include/linux/rhashtable.h:110 [inline] RIP: 0010:__rhashtable_lookup include/linux/rhashtable.h:599 [inline] RIP: 0010:rhashtable_lookup include/linux/rhashtable.h:638 [inline] RIP: 0010:tipc_sk_lookup+0x284/0x660 net/tipc/socket.c:3001 Code: e8 03 80 3c 18 00 74 08 4c 89 f7 e8 86 9a c1 fc 4d 8b 36 49 83 e6 fe 31 ff 4c 89 f6 e8 15 78 7a fc 4d 85 f6 4c 0f 44 74 24 10 <4c> 89 f6 48 83 e6 01 31 ff e8 fe 77 7a fc 4c 89 f0 48 83 e0 01 0f RSP: 0018:ffffc900009666e0 EFLAGS: 00000286 RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffff8881176f6540 RDX: 0000000000000000 RSI: ffff888110b788f0 RDI: 0000000000000000 RBP: ffffc900009667b0 R08: ffffffff84fb2d2b R09: 0000000000000003 R10: ffffffffffffffff R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff88810ca790da R14: ffff888110b788f0 R15: 00000000000000f2 FS: 00007fad4103c6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fad4101bd58 CR3: 000000010d29a000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: tipc_sk_rcv+0x45c/0x1c40 net/tipc/socket.c:2492 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+0x1306/0x1c40 net/tipc/socket.c:2501 tipc_node_xmit+0x34e/0xe40 net/tipc/node.c:1703 tipc_sk_push_backlog+0x4da/0x7b0 net/tipc/socket.c:1316 tipc_sk_conn_proto_rcv net/tipc/socket.c:1370 [inline] tipc_sk_proto_rcv+0xad5/0x1750 net/tipc/socket.c:2158 tipc_sk_filter_rcv+0x3155/0x3390 net/tipc/socket.c:2352 tipc_sk_enqueue net/tipc/socket.c:2445 [inline] tipc_sk_rcv+0x815/0x1c40 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:1129 [inline] __release_sock+0x145/0x410 net/core/sock.c:2942 release_sock net/core/sock.c:3516 [inline] sockopt_release_sock+0x9a/0x1f0 net/core/sock.c:1067 sk_setsockopt+0x165d/0x3160 sock_setsockopt+0x59/0x70 net/core/sock.c:1549 __sys_setsockopt+0x423/0x8b0 net/socket.c:2269 __do_sys_setsockopt net/socket.c:2284 [inline] __se_sys_setsockopt net/socket.c:2281 [inline] __x64_sys_setsockopt+0xbf/0xd0 net/socket.c:2281 x64_sys_call+0x1a2/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:55 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fad4027dca9 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:00007fad4103c0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007fad403abf80 RCX: 00007fad4027dca9 RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003 RBP: 00007fad402c947e R08: 0000000000000004 R09: 0000000000000000 R10: 0000000020000040 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fad403abf80 R15: 00007ffc55b09648