Warning: Permanently added '[localhost]:8172' (ECDSA) to the list of known hosts.
2023/02/24 11:29:22 fuzzer started
2023/02/24 11:29:22 dialing manager at localhost:41417
syzkaller login: [   37.912556] cgroup: Unknown subsys name 'net'
[   38.023988] cgroup: Unknown subsys name 'rlimit'
2023/02/24 11:29:40 syscalls: 2217
2023/02/24 11:29:40 code coverage: enabled
2023/02/24 11:29:40 comparison tracing: enabled
2023/02/24 11:29:40 extra coverage: enabled
2023/02/24 11:29:40 setuid sandbox: enabled
2023/02/24 11:29:40 namespace sandbox: enabled
2023/02/24 11:29:40 Android sandbox: enabled
2023/02/24 11:29:40 fault injection: enabled
2023/02/24 11:29:40 leak checking: enabled
2023/02/24 11:29:40 net packet injection: enabled
2023/02/24 11:29:40 net device setup: enabled
2023/02/24 11:29:40 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist
2023/02/24 11:29:40 devlink PCI setup: PCI device 0000:00:10.0 is not available
2023/02/24 11:29:40 USB emulation: enabled
2023/02/24 11:29:40 hci packet injection: enabled
2023/02/24 11:29:40 wifi device emulation: enabled
2023/02/24 11:29:40 802.15.4 emulation: enabled
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2023/02/24 11:30:08 starting 8 fuzzer processes
11:30:08 executing program 0:
r0 = perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x4000}, 0x0, 0x1, 0x0, 0x0, 0x0, 0x9}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
perf_event_open(&(0x7f0000000480)={0x4, 0x80, 0xba, 0x6, 0x3f, 0x5, 0x0, 0x0, 0x0, 0x9, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfc, 0x0, @perf_bp={0x0}, 0xa0, 0x3, 0x40100000, 0x6, 0x2, 0x0, 0x7, 0x0, 0x623}, 0x0, 0x0, r0, 0x3)
perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = syz_io_uring_setup(0x35c3, &(0x7f0000000180)={0x0, 0x39dd}, &(0x7f0000ffe000/0x1000)=nil, &(0x7f0000ffe000/0x1000)=nil, &(0x7f0000000040), &(0x7f0000000200))
socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000280)={<r2=>0xffffffffffffffff, <r3=>0xffffffffffffffff})
ioctl(0xffffffffffffffff, 0xa94, &(0x7f0000000440)="93671705d9f115264e075b05bb65fc2504540c184395841eb8d7e9c58c2ded9b96842b0fb61aa34e41ba")
ioctl$EXT4_IOC_SWAP_BOOT(0xffffffffffffffff, 0x6611)
copy_file_range(0xffffffffffffffff, &(0x7f0000000300)=0xffffffffffffffc0, 0xffffffffffffffff, 0x0, 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x4042, 0x0)
gettid()
syz_io_uring_setup(0x3f1d, &(0x7f0000000340)={0x0, 0x7176, 0x4, 0x0, 0x23}, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000000000), &(0x7f00000003c0))
io_uring_register$IORING_REGISTER_FILES(r1, 0x2, &(0x7f0000000240)=[r3, r2, 0xffffffffffffffff, 0xffffffffffffffff], 0x4)

11:30:08 executing program 6:
r0 = syz_open_procfs(0x0, &(0x7f0000000000)='net/route\x00')
pread64(r0, &(0x7f0000000640)=""/217, 0xd9, 0x0)

11:30:08 executing program 1:
r0 = perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0x76, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r1 = epoll_create1(0x0)
r2 = epoll_create1(0x0)
epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f0000000000))
epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r0, &(0x7f0000000100))
close(r2)

11:30:08 executing program 2:
r0 = perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff, 0x4, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, r0, 0x0)
unshare(0x8000000)
semget$private(0x0, 0x4000, 0x0)
semtimedop(0x0, &(0x7f0000000040)=[{0x0, 0x401, 0x1400}, {0x0, 0xffff}], 0x2, 0x0)
getpid()

11:30:08 executing program 7:
r0 = socket$inet6_udp(0xa, 0x2, 0x0)
r1 = dup(r0)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x0, 0x0, @remote, 0x2}, 0x1c)
sendmmsg$inet(r1, &(0x7f00000069c0)=[{{0x0, 0x0, 0x0}}, {{&(0x7f0000000b00)={0x2, 0x4e23, @remote}, 0x10, 0x0, 0x0, &(0x7f0000000d40)=[@ip_ttl={{0x14, 0x0, 0x2, 0x2}}, @ip_pktinfo={{0x1c, 0x0, 0x8, {0x0, @broadcast, @local}}}], 0x38}}], 0x2, 0x0)

11:30:08 executing program 3:
r0 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x40210}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = epoll_create(0x7)
r2 = getpid()
r3 = getpid()
r4 = epoll_create(0x4)
kcmp$KCMP_EPOLL_TFD(r2, r3, 0x7, r1, &(0x7f0000000000)={r4})
perf_event_open(0x0, 0x0, 0x2, r0, 0x0)
r5 = socket$inet6(0xa, 0x1, 0x0)
bind$inet6(r5, &(0x7f00000002c0)={0xa, 0x4e20, 0x0, @empty}, 0x1c)
pwritev2(r5, &(0x7f0000000040)=[{&(0x7f0000000100)="fffe0b630e264f54ba3be0b4d665999c8e98b3c0ff193535ba72a849dff555a4ad62fb6da98303b4f49787aded65e32da3ec47dc05ffe4e18f9717fa4c6b08f0c5b820c260c31e057fa48cd28cb62cce053e5dff17d5decda9ed40ae1a5439de91388c8ca2b59ab957cc803c5c47a0839dea557c228830674a5ace271c5ae8bc2bdc", 0x82}, {&(0x7f0000000300)="e6fef1ae42ac5042855980566e73ef4c48306acd6322ed291d072c1f178ce8ae0e11ebc7ac76fe12f8946d5ed665e14bfb285403635a467235064a7166de4f04930ec003702f5b740f77ab46d71ba5976fc792b4b731ebd94f140dd6d2ba873e0490a753e4f9ca2057ad407cee5c49c304f7cf71153fb3f376ae4bc3ce1dd23c6df99f1685d53b4e8dbc0964db5eae1464e6130d6dd6f58a04d017ad91f33092a1d80852af5dc794f30a953062682ca137b128302c6ff5075a252339c0", 0xbd}, {&(0x7f0000000400)="79ee7a267096ad1454210608bc76bf7a89941d5589bcb4bb4d36237488e516a567dad45dc0ea68e9d7150738e907385dce90ccbdf8dada99c7f53895726b0d366522bf147d355a3aa666efaf151a32731d5e944aa276e1bb8b1cdf3a0cf33a6a904379e3513b7bb89eeb3628c8b2135408c353e2a408bd36da7de824a3e8311d0b6e7374c732b723208a8fc533c7acd758c9ddc02d5741121a8fd0be64d9705d549e448d47c3d03c2853859a4b4d20c590c4a044fcd847747730403c884b0a98ecf8d2749c6bc074c8afb9210ffc8f9a0953240baaa7639a7f920900426bfb", 0xdf}], 0x3, 0x0, 0x8001, 0x4)
connect$inet6(r5, &(0x7f0000000000)={0xa, 0x4e20, 0x0, @loopback}, 0x1c)
sendmmsg$inet6(r5, &(0x7f0000008480)=[{{&(0x7f0000000000)={0xa, 0x4e21, 0x401, @loopback}, 0x1c, &(0x7f0000000240)=[{&(0x7f0000000080)="208799f8a401ee539e3511cdbe95ec878318f9d5411957513038e8ea782c2dfb1754b043961ba82caa62f38f239cb5cfe23ccdb758eb1e33bc70b85c56542860e783f2dd39ec32de906e18343b6e390aed8350c2bc", 0x55}, {0x0}], 0x2}}], 0x1, 0x0)
sendmsg$inet(0xffffffffffffffff, 0x0, 0x0)

11:30:08 executing program 4:
syz_mount_image$vfat(&(0x7f0000000080), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366d8a02b00080101000440002000f801", 0x17}, {0x0, 0x0, 0x2800}], 0x0, &(0x7f0000000140)=ANY=[])
chdir(&(0x7f0000000140)='./file0\x00')
r0 = open$dir(&(0x7f0000000200)='.\x00', 0x0, 0x0)
lseek(r0, 0x6, 0x0)
getdents64(r0, 0x0, 0x0)

[   80.773803] audit: type=1400 audit(1677238208.723:6): avc:  denied  { execmem } for  pid=260 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
11:30:08 executing program 5:
ioctl$CDROMREADMODE1(0xffffffffffffffff, 0x530d, &(0x7f0000000800)={0x0, 0x0, 0x20, 0x81, 0x0, 0x89})
r0 = perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
ioctl$sock_bt_hci(0xffffffffffffffff, 0x400448cb, 0x0)
ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000000500))
ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, &(0x7f0000000300))
ioctl$FAT_IOCTL_GET_VOLUME_ID(0xffffffffffffffff, 0x80047213, &(0x7f00000004c0))
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
fcntl$lock(r1, 0x25, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x100})
ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000001280))
perf_event_open$cgroup(&(0x7f0000000100)={0x2, 0x80, 0x1, 0x2, 0x4, 0xb4, 0x0, 0x54176f4d, 0x10000, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x3, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0xb85, 0xeb76b2d4b41772c0, @perf_config_ext={0xffffffffffffff02, 0xffff}, 0x0, 0x26, 0x800, 0x5, 0x1f, 0x6, 0x8, 0x0, 0x1, 0x0, 0x8}, 0xffffffffffffffff, 0x7, r0, 0xb)
ioctl$NS_GET_OWNER_UID(0xffffffffffffffff, 0xb704, &(0x7f00000001c0))
openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/timer_list\x00', 0x0, 0x0)
perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0x1a23}, 0x0, 0x0, 0xfffffffc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
setsockopt$inet_group_source_req(0xffffffffffffffff, 0x6, 0xa, &(0x7f0000004b80)={0x0, {{0x2, 0x0, @multicast1}}, {{0x2, 0x0, @private}}}, 0x108)
clone3(&(0x7f0000004c00)={0xc0002100, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x58)

[   81.985587] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1
[   81.988280] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9
[   81.989557] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9
[   81.993128] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4
[   81.994808] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3
[   81.997413] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2
[   82.005501] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[   82.008421] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[   82.010880] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[   82.014313] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[   82.016210] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[   82.017423] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[   82.037092] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1
[   82.038422] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1
[   82.051587] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1
[   82.053231] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1
[   82.054061] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9
[   82.054620] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9
[   82.055563] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9
[   82.055763] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9
[   82.056431] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9
[   82.058445] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9
[   82.058456] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9
[   82.059073] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9
[   82.060275] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4
[   82.062250] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3
[   82.063350] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4
[   82.064464] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4
[   82.065661] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4
[   82.067465] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3
[   82.068060] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3
[   82.068676] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3
[   82.069669] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2
[   82.070585] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2
[   82.071920] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2
[   82.073412] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2
[   84.067090] Bluetooth: hci0: command 0x0409 tx timeout
[   84.068398] Bluetooth: hci1: command 0x0409 tx timeout
[   84.130783] Bluetooth: hci5: command 0x0409 tx timeout
[   84.130884] Bluetooth: hci6: Opcode 0x c03 failed: -110
[   84.131887] Bluetooth: hci3: command 0x0409 tx timeout
[   84.133313] 
[   84.133462] ======================================================
[   84.133897] WARNING: possible circular locking dependency detected
[   84.134327] Bluetooth: hci7: Opcode 0x c03 failed: -110
[   84.134331] 6.2.0-next-20230224 #1 Not tainted
[   84.135376] ------------------------------------------------------
[   84.136675] syz-executor.2/274 is trying to acquire lock:
[   84.137977] ffff888019aa4880 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: __flush_work+0xdd/0xd80
[   84.139729] 
[   84.139729] but task is already holding lock:
[   84.140168] ffff888019aa4920 (&hdev->cmd_sync_work_lock){+.+.}-{3:3}, at: hci_cmd_sync_clear+0x45/0x250
[   84.140852] 
[   84.140852] which lock already depends on the new lock.
[   84.140852] 
[   84.141396] 
[   84.141396] the existing dependency chain (in reverse order) is:
[   84.141919] 
[   84.141919] -> #1 (&hdev->cmd_sync_work_lock){+.+.}-{3:3}:
[   84.142411]        __mutex_lock+0x133/0x14a0
[   84.142736]        hci_cmd_sync_work+0x1e6/0x320
[   84.143075]        process_one_work+0xa0f/0x1790
[   84.143412]        worker_thread+0x63b/0x1260
[   84.143736]        kthread+0x2e9/0x3a0
[   84.144019]        ret_from_fork+0x2c/0x50
[   84.144321] 
[   84.144321] -> #0 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}:
[   84.144882]        __lock_acquire+0x2d56/0x6380
[   84.145217]        lock_acquire.part.0+0xea/0x320
[   84.145563]        __flush_work+0x109/0xd80
[   84.145873]        __cancel_work_timer+0x39c/0x4e0
[   84.146216]        hci_cmd_sync_clear+0x52/0x250
[   84.146546]        hci_unregister_dev+0xf9/0x410
[   84.146876]        vhci_release+0x80/0x100
[   84.147177]        __fput+0x263/0xa40
[   84.147447]        task_work_run+0x174/0x280
[   84.147758]        do_exit+0xad8/0x2800
[   84.148058]        do_group_exit+0xd4/0x2a0
[   84.148385]        __x64_sys_exit_group+0x3e/0x50
[   84.148753]        do_syscall_64+0x3f/0x90
[   84.149065]        entry_SYSCALL_64_after_hwframe+0x72/0xdc
[   84.149478] 
[   84.149478] other info that might help us debug this:
[   84.149478] 
[   84.150035]  Possible unsafe locking scenario:
[   84.150035] 
[   84.150463]        CPU0                    CPU1
[   84.150800]        ----                    ----
[   84.151131]   lock(&hdev->cmd_sync_work_lock);
[   84.151464]                                lock((work_completion)(&hdev->cmd_sync_work));
[   84.152039]                                lock(&hdev->cmd_sync_work_lock);
[   84.152528]   lock((work_completion)(&hdev->cmd_sync_work));
[   84.152929] 
[   84.152929]  *** DEADLOCK ***
[   84.152929] 
[   84.153350] 1 lock held by syz-executor.2/274:
[   84.153677]  #0: ffff888019aa4920 (&hdev->cmd_sync_work_lock){+.+.}-{3:3}, at: hci_cmd_sync_clear+0x45/0x250
[   84.154390] 
[   84.154390] stack backtrace:
[   84.154703] CPU: 1 PID: 274 Comm: syz-executor.2 Not tainted 6.2.0-next-20230224 #1
[   84.155249] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[   84.155824] Call Trace:
[   84.156012]  <TASK>
[   84.156179]  dump_stack_lvl+0x91/0xf0
[   84.156462]  check_noncircular+0x263/0x2e0
[   84.156777]  ? __pfx_check_noncircular+0x10/0x10
[   84.157132]  ? queued_spin_lock_slowpath+0xd1/0xc50
[   84.157513]  __lock_acquire+0x2d56/0x6380
[   84.157828]  ? lock_is_held_type+0x9f/0x120
[   84.158151]  ? __pfx___lock_acquire+0x10/0x10
[   84.158493]  ? __pfx_register_lock_class+0x10/0x10
[   84.158866]  ? __wait_for_common+0x394/0x550
[   84.159199]  ? __pfx_lock_release+0x10/0x10
[   84.159531]  lock_acquire.part.0+0xea/0x320
[   84.159870]  ? __flush_work+0xdd/0xd80
[   84.160168]  ? __pfx_lock_acquire.part.0+0x10/0x10
[   84.160532]  ? __flush_work+0xdd/0xd80
[   84.160819]  ? rcu_read_lock_sched_held+0x42/0x80
[   84.161170]  ? trace_lock_acquire+0x170/0x1e0
[   84.161506]  ? __flush_work+0xdd/0xd80
[   84.161801]  ? lock_acquire+0x32/0xc0
[   84.162087]  ? __flush_work+0xdd/0xd80
[   84.162381]  __flush_work+0x109/0xd80
[   84.162674]  ? __flush_work+0xdd/0xd80
[   84.162969]  ? __pfx_mark_lock.part.0+0x10/0x10
[   84.163325]  ? __pfx___flush_work+0x10/0x10
[   84.163644]  ? lock_acquire.part.0+0xea/0x320
[   84.163991]  ? hci_cmd_sync_clear+0x45/0x250
[   84.164321]  ? __pfx_lock_acquire.part.0+0x10/0x10
[   84.164691]  ? hci_cmd_sync_clear+0x45/0x250
[   84.165022]  ? rcu_read_lock_sched_held+0x42/0x80
[   84.165381]  ? trace_lock_acquire+0x170/0x1e0
[   84.165725]  ? lock_is_held_type+0x9f/0x120
[   84.166049]  ? mark_held_locks+0x9e/0xe0
[   84.166360]  __cancel_work_timer+0x39c/0x4e0
[   84.166687]  ? __pfx___cancel_work_timer+0x10/0x10
[   84.167052]  ? __cancel_work_timer+0x2aa/0x4e0
[   84.167388]  ? __pfx___cancel_work_timer+0x10/0x10
[   84.167744]  ? lock_release+0x1e3/0x710
[   84.168065]  ? __pfx_lock_release+0x10/0x10
[   84.168395]  ? do_raw_write_lock+0x11e/0x3b0
[   84.168726]  ? __pfx_vhci_release+0x10/0x10
[   84.169052]  hci_cmd_sync_clear+0x52/0x250
[   84.169374]  ? __pfx_vhci_release+0x10/0x10
[   84.169698]  hci_unregister_dev+0xf9/0x410
[   84.170017]  vhci_release+0x80/0x100
[   84.170315]  __fput+0x263/0xa40
[   84.170578]  task_work_run+0x174/0x280
[   84.170876]  ? __pfx_task_work_run+0x10/0x10
[   84.171214]  ? do_raw_spin_unlock+0x53/0x220
[   84.171544]  do_exit+0xad8/0x2800
[   84.171816]  ? lock_release+0x1e3/0x710
[   84.172128]  ? __pfx_lock_release+0x10/0x10
[   84.172454]  ? do_raw_spin_lock+0x125/0x270
[   84.172772]  ? __pfx_do_exit+0x10/0x10
[   84.173070]  do_group_exit+0xd4/0x2a0
[   84.173352]  __x64_sys_exit_group+0x3e/0x50
[   84.173674]  do_syscall_64+0x3f/0x90
[   84.173952]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
[   84.174328] RIP: 0033:0x7f125d792b19
[   84.174601] Code: Unable to access opcode bytes at 0x7f125d792aef.
[   84.175044] RSP: 002b:00007fff74699ee8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   84.175588] RAX: ffffffffffffffda RBX: 00007fff7469a6c8 RCX: 00007f125d792b19
[   84.176103] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043
[   84.176604] RBP: 0000000000000000 R08: 0000000000000026 R09: 00007fff7469a6c8
[   84.177120] R10: 0000000000000020 R11: 0000000000000246 R12: 00007f125d7ec233
[   84.177619] R13: 0000000000000002 R14: 0000000000000000 R15: 00000000000000f8
[   84.178127]  </TASK>
[   84.194757] Bluetooth: hci2: command 0x0409 tx timeout
[   84.195135] Bluetooth: hci4: command 0x0409 tx timeout
[   86.115794] Bluetooth: hci1: command 0x041b tx timeout
[   86.116384] Bluetooth: hci0: command 0x041b tx timeout
[   86.179862] Bluetooth: hci3: command 0x041b tx timeout
[   86.180382] Bluetooth: hci5: command 0x041b tx timeout
[   86.242753] Bluetooth: hci4: command 0x041b tx timeout
[   86.243243] Bluetooth: hci2: command 0x041b tx timeout
[   87.654023] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1
[   87.655398] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9
[   87.656963] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9
[   87.658543] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4
[   87.660524] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3
[   87.661596] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2
[   88.162776] Bluetooth: hci0: command 0x040f tx timeout
[   88.163447] Bluetooth: hci1: command 0x040f tx timeout
[   88.226770] Bluetooth: hci5: command 0x040f tx timeout
[   88.227454] Bluetooth: hci3: command 0x040f tx timeout
[   88.290816] Bluetooth: hci2: command 0x040f tx timeout
[   88.291491] Bluetooth: hci4: command 0x040f tx timeout
[   89.699728] Bluetooth: hci6: command 0x0409 tx timeout
[   90.082729] Bluetooth: hci7: Opcode 0x c03 failed: -110
[   90.210773] Bluetooth: hci1: command 0x0419 tx timeout
[   90.211512] Bluetooth: hci0: command 0x0419 tx timeout
[   90.274838] Bluetooth: hci3: command 0x0419 tx timeout
[   90.275512] Bluetooth: hci5: command 0x0419 tx timeout
[   90.338753] Bluetooth: hci4: command 0x0419 tx timeout
[   90.339475] Bluetooth: hci2: command 0x0419 tx timeout
[   91.746751] Bluetooth: hci6: command 0x041b tx timeout
[   93.794757] Bluetooth: hci6: command 0x040f tx timeout

VM DIAGNOSIS:
11:30:12  Registers:
info registers vcpu 0
RAX=0000000000000000 RBX=00000000000000f5 RCX=0000000000000000 RDX=0000000000000001
RSI=0000000000000001 RDI=1ffffffff0ba517a RBP=000000000003f681 RSP=ffff888020447760
R8 =0000000000000005 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001
R12=ffff88807ffdc500 R13=000000000003f680 R14=0000000000000001 R15=0000000000000001
RIP=ffffffff816a4b73 RFL=00000046 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0
ES =0000 0000000000000000 00000000 00000000
CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]
DS =0000 0000000000000000 00000000 00000000
FS =0000 0000000000000000 00000000 00000000
GS =0000 ffff88806ce00000 00000000 00000000
LDT=0000 fffffe0000000000 00000000 00000000
TR =0040 fffffe4691457000 00004087 00008b00 DPL=0 TSS64-busy
GDT=     fffffe4691455000 0000007f
IDT=     fffffe0000000000 00000fff
CR0=80050033 CR2=00007fcac210e260 CR3=000000004166e000 CR4=00350ef0
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 
DR6=00000000ffff0ff0 DR7=0000000000000400
EFER=0000000000000d01
FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80
FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
XMM00=756e696c2d34365f3638782f62696c2f XMM01=2e6f747079726362696c2f756e672d78
XMM02=00312e312e6f732e6f74707972636269 XMM03=6c2f756e672d78756e696c2d34365f36
XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000
XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000
XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000
info registers vcpu 1
RAX=000000000000006d RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8
RSI=ffffffff82502865 RDI=ffffffff87f10da0 RBP=ffffffff87f10d60 RSP=ffff88803d87f100
R8 =0000000000000001 R9 =000000000000000a R10=000000000000006d R11=0000000000000001
R12=000000000000006d R13=ffffffff87f10d60 R14=0000000000000010 R15=ffffffff82502850
RIP=ffffffff825028bd RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0
ES =0000 0000000000000000 00000000 00000000
CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]
DS =0000 0000000000000000 00000000 00000000
FS =0000 0000000000000000 00000000 00000000
GS =0000 ffff88806cf00000 00000000 00000000
LDT=0000 fffffe0000000000 00000000 00000000
TR =0040 fffffe40f8d7c000 00004087 00008b00 DPL=0 TSS64-busy
GDT=     fffffe40f8d7a000 0000007f
IDT=     fffffe0000000000 00000fff
CR0=80050033 CR2=00007f3c6215b260 CR3=000000000ca06000 CR4=00350ee0
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 
DR6=00000000ffff0ff0 DR7=0000000000000400
EFER=0000000000000d01
FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80
FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
XMM00=756e696c2d34365f3638782f62696c2f XMM01=2e6f747079726362696c2f756e672d78
XMM02=00312e312e6f732e6f74707972636269 XMM03=6c2f756e672d78756e696c2d34365f36
XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000
XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000
XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000