dccp_close: ABORT with 3 bytes unread
================================
WARNING: inconsistent lock state
4.14.306-syzkaller #0 Not tainted
--------------------------------
inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage.
syz-executor.5/7990 [HC0[0]:SC1[1]:HE1:SE0] takes:
(&(&local->client_conns_lock)->rlock){+.?.}, at: [<ffffffff867de3a1>] spin_lock include/linux/spinlock.h:317 [inline]
(&(&local->client_conns_lock)->rlock){+.?.}, at: [<ffffffff867de3a1>] rxrpc_put_one_client_conn net/rxrpc/conn_client.c:905 [inline]
(&(&local->client_conns_lock)->rlock){+.?.}, at: [<ffffffff867de3a1>] rxrpc_put_client_conn+0x661/0xac0 net/rxrpc/conn_client.c:957
{SOFTIRQ-ON-W} state was registered at:
lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998
__raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
_raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:152
spin_lock include/linux/spinlock.h:317 [inline]
rxrpc_get_client_conn net/rxrpc/conn_client.c:306 [inline]
rxrpc_connect_call+0x2bb/0x3e10 net/rxrpc/conn_client.c:692
rxrpc_new_client_call+0x8f4/0x1a10 net/rxrpc/call_object.c:276
rxrpc_new_client_call_for_sendmsg net/rxrpc/sendmsg.c:531 [inline]
rxrpc_do_sendmsg+0x8dc/0xfb0 net/rxrpc/sendmsg.c:583
rxrpc_sendmsg+0x3cf/0x5f0 net/rxrpc/af_rxrpc.c:543
sock_sendmsg_nosec net/socket.c:646 [inline]
sock_sendmsg+0xb5/0x100 net/socket.c:656
___sys_sendmsg+0x6c8/0x800 net/socket.c:2062
__sys_sendmsg+0xa3/0x120 net/socket.c:2096
SYSC_sendmsg net/socket.c:2107 [inline]
SyS_sendmsg+0x27/0x40 net/socket.c:2103
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x5e/0xd3
irq event stamp: 722082
hardirqs last enabled at (722082): [<ffffffff8724fcb9>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
hardirqs last enabled at (722082): [<ffffffff8724fcb9>] _raw_spin_unlock_irqrestore+0x79/0xe0 kernel/locking/spinlock.c:192
hardirqs last disabled at (722081): [<ffffffff8724f946>] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline]
hardirqs last disabled at (722081): [<ffffffff8724f946>] _raw_spin_lock_irqsave+0x66/0xc0 kernel/locking/spinlock.c:160
softirqs last enabled at (715902): [<ffffffff8760068b>] __do_softirq+0x68b/0x9ff kernel/softirq.c:314
softirqs last disabled at (721899): [<ffffffff81322e33>] invoke_softirq kernel/softirq.c:368 [inline]
softirqs last disabled at (721899): [<ffffffff81322e33>] irq_exit+0x193/0x240 kernel/softirq.c:409
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0
----
lock(&(&local->client_conns_lock)->rlock);
<Interrupt>
lock(&(&local->client_conns_lock)->rlock);
*** DEADLOCK ***
3 locks held by syz-executor.5/7990:
#0: (sb_writers#3){.+.+}, at: [<ffffffff818e1fea>] sb_start_write include/linux/fs.h:1551 [inline]
#0: (sb_writers#3){.+.+}, at: [<ffffffff818e1fea>] mnt_want_write+0x3a/0xb0 fs/namespace.c:386
#1: (&type->i_mutex_dir_key#3/1){+.+.}, at: [<ffffffff818a98ba>] inode_lock_nested include/linux/fs.h:754 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.}, at: [<ffffffff818a98ba>] filename_create+0x12a/0x3f0 fs/namei.c:3676
#2: (rcu_callback){....}, at: [<ffffffff8146ee1e>] __rcu_reclaim kernel/rcu/rcu.h:185 [inline]
#2: (rcu_callback){....}, at: [<ffffffff8146ee1e>] rcu_do_batch kernel/rcu/tree.c:2699 [inline]
#2: (rcu_callback){....}, at: [<ffffffff8146ee1e>] invoke_rcu_callbacks kernel/rcu/tree.c:2962 [inline]
#2: (rcu_callback){....}, at: [<ffffffff8146ee1e>] __rcu_process_callbacks kernel/rcu/tree.c:2929 [inline]
#2: (rcu_callback){....}, at: [<ffffffff8146ee1e>] rcu_process_callbacks+0x84e/0x1180 kernel/rcu/tree.c:2946
stack backtrace:
CPU: 0 PID: 7990 Comm: syz-executor.5 Not tainted 4.14.306-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x1b2/0x281 lib/dump_stack.c:58
print_usage_bug.cold+0x42e/0x570 kernel/locking/lockdep.c:2589
valid_state kernel/locking/lockdep.c:2602 [inline]
mark_lock_irq kernel/locking/lockdep.c:2796 [inline]
mark_lock+0xb4d/0x1050 kernel/locking/lockdep.c:3194
mark_irqflags kernel/locking/lockdep.c:3072 [inline]
__lock_acquire+0xc81/0x3f20 kernel/locking/lockdep.c:3448
dccp_close: ABORT with 3 bytes unread
lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998
__raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
_raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:152
spin_lock include/linux/spinlock.h:317 [inline]
rxrpc_put_one_client_conn net/rxrpc/conn_client.c:905 [inline]
rxrpc_put_client_conn+0x661/0xac0 net/rxrpc/conn_client.c:957
rxrpc_put_connection net/rxrpc/ar-internal.h:862 [inline]
rxrpc_rcu_destroy_call+0x83/0x190 net/rxrpc/call_object.c:653
__rcu_reclaim kernel/rcu/rcu.h:195 [inline]
rcu_do_batch kernel/rcu/tree.c:2699 [inline]
invoke_rcu_callbacks kernel/rcu/tree.c:2962 [inline]
__rcu_process_callbacks kernel/rcu/tree.c:2929 [inline]
rcu_process_callbacks+0x780/0x1180 kernel/rcu/tree.c:2946
__do_softirq+0x24d/0x9ff kernel/softirq.c:288
invoke_softirq kernel/softirq.c:368 [inline]
irq_exit+0x193/0x240 kernel/softirq.c:409
exiting_irq arch/x86/include/asm/apic.h:638 [inline]
smp_apic_timer_interrupt+0x141/0x5e0 arch/x86/kernel/apic/apic.c:1106
apic_timer_interrupt+0x93/0xa0 arch/x86/entry/entry_64.S:796
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:779 [inline]
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xa3/0xe0 kernel/locking/spinlock.c:192
RSP: 0018:ffff8880a5437a20 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10
RAX: 1ffffffff11e13d9 RBX: 0000000000000282 RCX: 1ffff11015efb57a
RDX: dffffc0000000000 RSI: ffff8880af7dabb0 RDI: 0000000000000282
RBP: ffffffff8c0408c8 R08: ffffffff8b9b9548 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000282
R13: ffff88807385bab8 R14: ffffffff8c0408c8 R15: 0000000000000000
__debug_object_init+0x3fc/0x7a0 lib/debugobjects.c:380
__init_work+0x3f/0x50 kernel/workqueue.c:507
ext4_alloc_inode+0x46c/0x640 fs/ext4/super.c:1041
alloc_inode+0x5d/0x170 fs/inode.c:209
new_inode_pseudo fs/inode.c:898 [inline]
new_inode+0x1d/0xf0 fs/inode.c:927
__ext4_new_inode+0x360/0x4eb0 fs/ext4/ialloc.c:839
ext4_mkdir+0x2e4/0xbd0 fs/ext4/namei.c:2717
vfs_mkdir+0x463/0x6e0 fs/namei.c:3851
SYSC_mkdirat fs/namei.c:3874 [inline]
SyS_mkdirat+0x1fd/0x270 fs/namei.c:3858
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f9b49d5e117
RSP: 002b:00007ffce3413528 EFLAGS: 00000206 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007ffce34135b0 RCX: 00007f9b49d5e117
RDX: 00000000000001ff RSI: 00007ffce34135b0 RDI: 00000000ffffff9c
RBP: 00007ffce341358c R08: 0000000000000000 R09: 0000000000000004
R10: 00007ffce34132c6 R11: 0000000000000206 R12: 0000000000000032
R13: 000000000001fc06 R14: 0000000000000011 R15: 00007ffce34135f0
dccp_close: ABORT with 3 bytes unread
dccp_close: ABORT with 3 bytes unread
IPVS: ftp: loaded support on port[0] = 21
audit: type=1804 audit(1677073045.979:35): pid=11666 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.2" name="/root/syzkaller-testdir2270706526/syzkaller.Uf9zv9/60/bus" dev="sda1" ino=14185 res=1
audit: type=1804 audit(1677073046.919:36): pid=11716 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.2" name="/root/syzkaller-testdir2270706526/syzkaller.Uf9zv9/61/bus" dev="sda1" ino=14000 res=1