audit: type=1804 audit(1611116667.867:259): pid=30006 uid=0 auid=0 ses=4 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.0" name="/root/syzkaller-testdir291045790/syzkaller.VMPyRj/652/file0/file0" dev="loop0" ino=17 res=1
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU: 0 PID: 29976 Comm: syz-executor.2 Not tainted 4.19.169-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 assign_lock_key kernel/locking/lockdep.c:727 [inline]
 register_lock_class+0xe76/0x11c0 kernel/locking/lockdep.c:753
 __lock_acquire+0x17d/0x3ff0 kernel/locking/lockdep.c:3303
 lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3907
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x8c/0xc0 kernel/locking/spinlock.c:152
 skb_dequeue+0x1c/0x180 net/core/skbuff.c:2825
 skb_queue_purge+0x21/0x30 net/core/skbuff.c:2863
 l2cap_chan_del+0x690/0xa50 net/bluetooth/l2cap_core.c:637
 l2cap_chan_close+0x1b5/0x950 net/bluetooth/l2cap_core.c:757
 l2cap_sock_shutdown+0x339/0xe10 net/bluetooth/l2cap_sock.c:1159
 l2cap_sock_release+0x77/0x290 net/bluetooth/l2cap_sock.c:1202
 __sock_release+0xcd/0x2a0 net/socket.c:579
 sock_close+0x15/0x20 net/socket.c:1140
 __fput+0x2ce/0x890 fs/file_table.c:278
 task_work_run+0x148/0x1c0 kernel/task_work.c:113
 get_signal+0x1b64/0x1f70 kernel/signal.c:2400
 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:821
 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163
 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
 do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45e219
Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f6d70466c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 000000000045e219
RDX: 000000000000000e RSI: 0000000020000000 RDI: 0000000000000004
RBP: 000000000119bfc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c
R13: 00007ffd12d3550f R14: 00007f6d704679c0 R15: 000000000119bf8c
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
Bluetooth: hci2: command 0x0405 tx timeout
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
kauditd_printk_skb: 4 callbacks suppressed
audit: type=1804 audit(1611116669.667:264): pid=30121 uid=0 auid=0 ses=4 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir291045790/syzkaller.VMPyRj/655/file0/file0" dev="loop0" ino=17 res=1
audit: type=1804 audit(1611116669.667:265): pid=30121 uid=0 auid=0 ses=4 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.0" name="/root/syzkaller-testdir291045790/syzkaller.VMPyRj/655/file0/file0" dev="loop0" ino=17 res=1
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
audit: type=1804 audit(1611116669.847:266): pid=30158 uid=0 auid=0 ses=4 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir291045790/syzkaller.VMPyRj/656/file0/file0" dev="loop0" ino=17 res=1
audit: type=1804 audit(1611116669.847:267): pid=30158 uid=0 auid=0 ses=4 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.0" name="/root/syzkaller-testdir291045790/syzkaller.VMPyRj/656/file0/file0" dev="loop0" ino=17 res=1
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
Bluetooth: hci2: command 0x0405 tx timeout
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
audit: type=1804 audit(1611116671.687:268): pid=30304 uid=0 auid=0 ses=4 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir291045790/syzkaller.VMPyRj/660/file0/file0" dev="loop0" ino=17 res=1
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
audit: type=1804 audit(1611116672.327:269): pid=30337 uid=0 auid=0 ses=4 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir291045790/syzkaller.VMPyRj/661/file0/file0" dev="loop0" ino=17 res=1
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
audit: type=1804 audit(1611116672.487:270): pid=30363 uid=0 auid=0 ses=4 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir291045790/syzkaller.VMPyRj/662/file0/file0" dev="loop0" ino=17 res=1
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
Bluetooth: hci2: command 0x0405 tx timeout
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
audit: type=1804 audit(1611116673.218:271): pid=30415 uid=0 auid=0 ses=4 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir291045790/syzkaller.VMPyRj/663/file0/file0" dev="loop0" ino=17 res=1
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
audit: type=1804 audit(1611116673.248:272): pid=30415 uid=0 auid=0 ses=4 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir291045790/syzkaller.VMPyRj/663/file0/file0" dev="loop0" ino=17 res=1
audit: type=1804 audit(1611116673.278:273): pid=30417 uid=0 auid=0 ses=4 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir982379693/syzkaller.GfTv2I/768/file0/file0" dev="loop3" ino=17 res=1
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
kauditd_printk_skb: 21 callbacks suppressed
audit: type=1804 audit(1611116675.018:295): pid=30587 uid=0 auid=0 ses=4 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir291045790/syzkaller.VMPyRj/669/file0/file0" dev="loop0" ino=17 res=1
audit: type=1804 audit(1611116675.058:296): pid=30587 uid=0 auid=0 ses=4 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.0" name="/root/syzkaller-testdir291045790/syzkaller.VMPyRj/669/file0/file0" dev="loop0" ino=17 res=1
audit: type=1804 audit(1611116675.058:297): pid=30588 uid=0 auid=0 ses=4 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir982379693/syzkaller.GfTv2I/774/file0/file0" dev="loop3" ino=17 res=1
audit: type=1804 audit(1611116675.058:298): pid=30588 uid=0 auid=0 ses=4 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir982379693/syzkaller.GfTv2I/774/file0/file0" dev="loop3" ino=17 res=1
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
audit: type=1804 audit(1611116675.228:299): pid=30615 uid=0 auid=0 ses=4 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir291045790/syzkaller.VMPyRj/670/file0/file0" dev="loop0" ino=17 res=1
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
audit: type=1804 audit(1611116675.298:300): pid=30615 uid=0 auid=0 ses=4 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.0" name="/root/syzkaller-testdir291045790/syzkaller.VMPyRj/670/file0/file0" dev="loop0" ino=17 res=1
audit: type=1804 audit(1611116675.418:301): pid=30623 uid=0 auid=0 ses=4 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir982379693/syzkaller.GfTv2I/775/file0/file0" dev="sda1" ino=17674 res=1
audit: type=1804 audit(1611116675.418:302): pid=30623 uid=0 auid=0 ses=4 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.3" name="/root/syzkaller-testdir982379693/syzkaller.GfTv2I/775/file0/file0" dev="sda1" ino=17674 res=1
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
audit: type=1804 audit(1611116675.528:303): pid=30654 uid=0 auid=0 ses=4 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir291045790/syzkaller.VMPyRj/671/file0/file0" dev="loop0" ino=17 res=1
audit: type=1804 audit(1611116675.528:304): pid=30654 uid=0 auid=0 ses=4 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.0" name="/root/syzkaller-testdir291045790/syzkaller.VMPyRj/671/file0/file0" dev="loop0" ino=17 res=1
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue