watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz-executor.0:26556] Modules linked in: CPU: 0 PID: 26556 Comm: syz-executor.0 Not tainted 5.10.234-syzkaller-1006808-ge0b88ee5f09c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:kasan_check_range+0x1bc/0x2a0 mm/kasan/generic.c:189 Code: f9 4d 89 d5 49 8d 5d 07 4d 85 ed 49 0f 49 dd 48 83 e3 f8 49 29 dd 74 12 41 80 39 00 0f 85 a6 00 00 00 49 ff c1 49 ff cd 75 ee <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 45 84 f6 75 61 41 f7 c6 00 ff 00 RSP: 0018:ffffc9000154e678 EFLAGS: 00000256 RAX: 0000000000000401 RBX: 000000000001ffff RCX: ffffffff84b3752b RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888118808588 RBP: ffffc9000154e6a0 R08: dffffc0000000000 R09: ffffed10231010b2 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff110231010b1 R13: 0000000000000001 R14: ffffed10231010b2 R15: dffffc0000000000 FS: 00007fb0326426c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200001c0 CR3: 0000000116582000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __kasan_check_read+0x11/0x20 mm/kasan/shadow.c:31 instrument_atomic_read include/linux/instrumented.h:71 [inline] atomic_read include/asm-generic/atomic-instrumented.h:27 [inline] queued_spin_trylock include/asm-generic/qspinlock.h:63 [inline] do_raw_spin_trylock include/linux/spinlock.h:201 [inline] __raw_spin_trylock_bh include/linux/spinlock_api_smp.h:182 [inline] _raw_spin_trylock_bh+0x7b/0x190 kernel/locking/spinlock.c:143 spin_trylock_bh include/linux/spinlock.h:414 [inline] tipc_sk_rcv+0x4c2/0x1e30 net/tipc/socket.c:2492 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+0x4da/0x7b0 net/tipc/socket.c:1306 tipc_sk_conn_proto_rcv net/tipc/socket.c:1358 [inline] tipc_sk_proto_rcv+0xaa9/0x1db0 net/tipc/socket.c:2156 tipc_sk_filter_rcv+0x3603/0x3e00 net/tipc/socket.c:2350 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:1052 [inline] __release_sock+0x148/0x410 net/core/sock.c:2583 release_sock net/core/sock.c:3134 [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 arch/x86/entry/common.c:-1 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fb032ac0da9 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:00007fb0326420c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007fb032beef80 RCX: 00007fb032ac0da9 RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003 RBP: 00007fb032b0d47a R08: 0000000000000004 R09: 0000000000000000 R10: 0000000020000540 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fb032beef80 R15: 00007ffcb151df78 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 26557 Comm: syz-executor.0 Not tainted 5.10.234-syzkaller-1006808-ge0b88ee5f09c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:native_restore_fl arch/x86/include/asm/irqflags.h:41 [inline] RIP: 0010:arch_local_irq_restore arch/x86/include/asm/irqflags.h:84 [inline] RIP: 0010:kvm_wait+0xfc/0x150 arch/x86/kernel/kvm.c:926 Code: 38 f0 75 26 41 f7 c7 00 02 00 00 75 0f 0f 1f 44 00 00 0f 00 2d a5 53 d5 03 f4 eb 0e 0f 1f 44 00 00 0f 00 2d 96 53 d5 03 fb f4 <4c> 89 7c 24 18 ff 74 24 18 9d 48 c7 44 24 20 0e 36 e0 45 49 c7 04 RSP: 0018:ffffc900015f7680 EFLAGS: 00000246 RAX: 0000000000000003 RBX: 1ffff920002beed4 RCX: ffffffff8150ca74 RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc900015f76c0 RBP: ffffc900015f7730 R08: dffffc0000000000 R09: ffffed10231010b2 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff888118808588 R14: 0000000000000003 R15: 0000000000000246 FS: 00007fb0326216c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb032621d58 CR3: 0000000116582000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pv_wait arch/x86/include/asm/paravirt.h:564 [inline] pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline] __pv_queued_spin_lock_slowpath+0x72f/0xc70 kernel/locking/qspinlock.c:508 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:554 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline] queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock include/linux/spinlock.h:183 [inline] __raw_spin_lock_bh include/linux/spinlock_api_smp.h:136 [inline] _raw_spin_lock_bh+0x139/0x1b0 kernel/locking/spinlock.c:175 spin_lock_bh include/linux/spinlock.h:359 [inline] lock_sock_nested+0x92/0x300 net/core/sock.c:3117 lock_sock include/net/sock.h:1648 [inline] tipc_sendstream+0x47/0x70 net/tipc/socket.c:1540 sock_sendmsg_nosec net/socket.c:652 [inline] __sock_sendmsg net/socket.c:664 [inline] ____sys_sendmsg+0x59e/0x8f0 net/socket.c:2376 ___sys_sendmsg+0x252/0x2e0 net/socket.c:2430 __sys_sendmsg net/socket.c:2459 [inline] __do_sys_sendmsg net/socket.c:2468 [inline] __se_sys_sendmsg+0x1b1/0x280 net/socket.c:2466 __x64_sys_sendmsg+0x7b/0x90 net/socket.c:2466 do_syscall_64+0x34/0x70 arch/x86/entry/common.c:-1 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fb032ac0da9 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:00007fb0326210c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fb032bef050 RCX: 00007fb032ac0da9 RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000004 RBP: 00007fb032b0d47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fb032bef050 R15: 00007ffcb151df78