RBP: 00007ff7e6b3647a R08: 0000000000000004 R09: 0000000000000000
R10: 0000000020000040 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007ff7e6c18050 R15: 00007ffc9bc18228
watchdog: BUG: soft lockup - CPU#0 stuck for 226s! [syz-executor.1:1380]
Modules linked in:
CPU: 0 PID: 1380 Comm: syz-executor.1 Tainted: G W 5.15.148-syzkaller-00718-g993bed180178 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:__refcount_add include/linux/refcount.h:198 [inline]
RIP: 0010:__refcount_inc include/linux/refcount.h:250 [inline]
RIP: 0010:refcount_inc include/linux/refcount.h:267 [inline]
RIP: 0010:sock_hold include/net/sock.h:747 [inline]
RIP: 0010:tipc_sk_lookup+0x4ed/0x650 net/tipc/socket.c:3001
Code: 0f b7 00 49 29 c5 74 63 4d 8d b5 80 00 00 00 4c 89 f7 be 04 00 00 00 e8 c1 43 03 fd bb 01 00 00 00 f0 41 0f c1 9d 80 00 00 00 <31> ff 89 de e8 ba 34 c1 fc 85 db 0f 84 83 00 00 00 44 8d 7b 01 44
RSP: 0018:ffffc9000156e8e0 EFLAGS: 00000206
RAX: 0000000000000301 RBX: 0000000000000004 RCX: ffffffff84aef05f
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff88817f399e80
RBP: ffffc9000156e9d0 R08: dffffc0000000000 R09: ffffed102fe733d1
R10: 0000000000000000 R11: dffffc0000000001 R12: fffffffffffffc08
R13: ffff88817f399e00 R14: ffff88817f399e80 R15: 0000000000000370
FS: 00007ff7e583c6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7bcd17ad58 CR3: 00000001f5956000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
tipc_sk_rcv+0x459/0x1b50 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+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: 0033:0x7ff7e6ae9e69
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:00007ff7e583c0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007ff7e6c18050 RCX: 00007ff7e6ae9e69
RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000004
RBP: 00007ff7e6b3647a R08: 0000000000000004 R09: 0000000000000000
R10: 0000000020000040 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007ff7e6c18050 R15: 00007ffc9bc18228
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 1377 Comm: syz-executor.1 Tainted: G W 5.15.148-syzkaller-00718-g993bed180178 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
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:918
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 5b 03 f3 03 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:ffffc90000c678e0 EFLAGS: 00000246
RAX: 0000000000000003 RBX: 1ffff9200018cf20 RCX: ffffffff8154f88f
RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff88817f399e88
RBP: ffffc90000c67990 R08: dffffc0000000000 R09: ffffed102fe733d2
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88817f399e88 R14: 0000000000000003 R15: 1ffff9200018cf24
FS: 0000555557199480(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7bcd138d58 CR3: 00000001f5956000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
pv_wait arch/x86/include/asm/paravirt.h:597 [inline]
pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
__pv_queued_spin_lock_slowpath+0x6bc/0xc40 kernel/locking/qspinlock.c:508
pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [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:187 [inline]
__raw_spin_lock_bh include/linux/spinlock_api_smp.h:136 [inline]
_raw_spin_lock_bh+0x139/0x1b0 kernel/locking/spinlock.c:178
spin_lock_bh include/linux/spinlock.h:368 [inline]
lock_sock_nested+0x97/0x300 net/core/sock.c:3258
lock_sock include/net/sock.h:1676 [inline]
tipc_release+0xc0/0x1300 net/tipc/socket.c:639
__sock_release net/socket.c:649 [inline]
sock_close+0xdf/0x270 net/socket.c:1336
__fput+0x3fe/0x910 fs/file_table.c:280
____fput+0x15/0x20 fs/file_table.c:308
task_work_run+0x129/0x190 kernel/task_work.c:164
tracehook_notify_resume include/linux/tracehook.h:189 [inline]
exit_to_user_mode_loop+0xc4/0xe0 kernel/entry/common.c:175
exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:208
__syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:301
do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7ff7e6ae8d5a
Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 03 7f 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 63 7f 02 00 8b 44 24
RSP: 002b:00007ffc9bc182f0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00007ff7e6ae8d5a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 00007ff7e6c19980 R08: 0000001b2c560000 R09: 00007ffc9bcd10b0
R10: 000000000001d656 R11: 0000000000000293 R12: 00000000000a24dd
R13: ffffffffffffffff R14: 00007ff7e666c000 R15: 00000000000a219c