netlink: 16 bytes leftover after parsing attributes in process `syz-executor.0'.
================================
WARNING: inconsistent lock state
4.14.307-syzkaller #0 Not tainted
--------------------------------
inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage.
syz-executor.4/12427 [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: 31004
hardirqs last enabled at (31004): [<ffffffff8724fcb9>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
hardirqs last enabled at (31004): [<ffffffff8724fcb9>] _raw_spin_unlock_irqrestore+0x79/0xe0 kernel/locking/spinlock.c:192
hardirqs last disabled at (31003): [<ffffffff8724f946>] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline]
hardirqs last disabled at (31003): [<ffffffff8724f946>] _raw_spin_lock_irqsave+0x66/0xc0 kernel/locking/spinlock.c:160
softirqs last enabled at (28196): [<ffffffff8760068b>] __do_softirq+0x68b/0x9ff kernel/softirq.c:314
softirqs last disabled at (30951): [<ffffffff81322e63>] invoke_softirq kernel/softirq.c:368 [inline]
softirqs last disabled at (30951): [<ffffffff81322e63>] 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 ***
2 locks held by syz-executor.4/12427:
#0: (sb_writers#3){.+.+}, at: [<ffffffff8187069f>] file_start_write include/linux/fs.h:2714 [inline]
#0: (sb_writers#3){.+.+}, at: [<ffffffff8187069f>] do_sendfile+0x84f/0xb30 fs/read_write.c:1440
#1: (rcu_callback){....}, at: [<ffffffff8146ee4e>] __rcu_reclaim kernel/rcu/rcu.h:185 [inline]
#1: (rcu_callback){....}, at: [<ffffffff8146ee4e>] rcu_do_batch kernel/rcu/tree.c:2699 [inline]
#1: (rcu_callback){....}, at: [<ffffffff8146ee4e>] invoke_rcu_callbacks kernel/rcu/tree.c:2962 [inline]
#1: (rcu_callback){....}, at: [<ffffffff8146ee4e>] __rcu_process_callbacks kernel/rcu/tree.c:2929 [inline]
#1: (rcu_callback){....}, at: [<ffffffff8146ee4e>] rcu_process_callbacks+0x84e/0x1180 kernel/rcu/tree.c:2946
stack backtrace:
CPU: 0 PID: 12427 Comm: syz-executor.4 Not tainted 4.14.307-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
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
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:generic_file_buffered_read mm/filemap.c:2098 [inline]
RIP: 0010:generic_file_read_iter+0x97f/0x21c0 mm/filemap.c:2273
RSP: 0018:ffff888056a9f9b0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10
RAX: 1ffffd40004383d4 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 000000000000062a RSI: 0000000000000009 RDI: ffff8880b33345f4
RBP: ffffea00021c1e80 R08: 0000000000000000 R09: 0000000000000001
R10: ffff888099b4ce10 R11: ffff8880584bc040 R12: ffff88808e1dab40
R13: 0000000000001000 R14: ffffea00021c1ea0 R15: 0000000000001000
ext4_file_read_iter+0x14b/0x330 fs/ext4/file.c:76
call_read_iter include/linux/fs.h:1774 [inline]
generic_file_splice_read+0x3a7/0x5c0 fs/splice.c:307
do_splice_to+0xfb/0x140 fs/splice.c:880
splice_direct_to_actor+0x207/0x730 fs/splice.c:952
do_splice_direct+0x164/0x210 fs/splice.c:1061
do_sendfile+0x47f/0xb30 fs/read_write.c:1441
SYSC_sendfile64 fs/read_write.c:1502 [inline]
SyS_sendfile64+0xff/0x110 fs/read_write.c:1488
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f9fe0b0b0f9
RSP: 002b:00007f9fdf01a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f9fe0c2b1f0 RCX: 00007f9fe0b0b0f9
RDX: 0000000000000000 RSI: 000000000000000a RDI: 0000000000000009
RBP: 00007f9fe0b66ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0001000000201005 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff446103af R14: 00007f9fdf01a300 R15: 0000000000022000
RDS: rds_bind could not find a transport for 172.30.0.6, load rds_tcp or rds_rdma?
netlink: 32 bytes leftover after parsing attributes in process `syz-executor.0'.
RDS: rds_bind could not find a transport for 172.30.0.6, load rds_tcp or rds_rdma?
RDS: rds_bind could not find a transport for 172.30.0.6, load rds_tcp or rds_rdma?
RDS: rds_bind could not find a transport for 172.30.0.6, load rds_tcp or rds_rdma?
usb usb1: usbfs: process 12605 (syz-executor.5) did not claim interface 0 before use
usb usb1: usbfs: process 12615 (syz-executor.5) did not claim interface 0 before use
usb usb1: usbfs: process 12637 (syz-executor.5) did not claim interface 0 before use
usb usb1: usbfs: process 12654 (syz-executor.5) did not claim interface 0 before use
EXT4-fs (loop5): 1 truncate cleaned up
EXT4-fs (loop5): mounted filesystem without journal. Opts: delalloc,noblock_validity,grpjquota=,barrier=0x00000000000000,norecovery,jqfmt=vfsv1,noinit_itable,bsddf,nobarrier,,errors=continue
F2FS-fs (loop3): Found nat_bits in checkpoint
F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5
attempt to access beyond end of device
loop3: rw=1, want=45104, limit=40427
F2FS-fs (loop3): Found nat_bits in checkpoint
F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5
attempt to access beyond end of device
loop3: rw=1, want=45104, limit=40427
F2FS-fs (loop3): Found nat_bits in checkpoint
F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5
attempt to access beyond end of device
loop3: rw=1, want=45104, limit=40427
xt_cgroup: invalid path, errno=-2
xt_cgroup: invalid path, errno=-2
xt_cgroup: invalid path, errno=-2
xt_cgroup: invalid path, errno=-2
F2FS-fs (loop3): Found nat_bits in checkpoint
F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5
attempt to access beyond end of device
loop3: rw=1, want=45104, limit=40427
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
caif:caif_disconnect_client(): nothing to disconnect
caif:caif_disconnect_client(): nothing to disconnect
EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue
caif:caif_disconnect_client(): nothing to disconnect
caif:caif_disconnect_client(): nothing to disconnect
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop1): using ordered data mode
EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue
reiserfs: using flush barriers
hub 9-0:1.0: USB hub found
hub 9-0:1.0: 8 ports detected
REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue