Debian GNU/Linux 11 syzkaller ttyS0

Warning: Permanently added '[localhost]:50526' (ECDSA) to the list of known hosts.
2023/02/24 11:59:07 fuzzer started
2023/02/24 11:59:08 dialing manager at localhost:41417
syzkaller login: [   36.463535] cgroup: Unknown subsys name 'net'
[   36.557950] cgroup: Unknown subsys name 'rlimit'
2023/02/24 11:59:21 syscalls: 2217
2023/02/24 11:59:21 code coverage: enabled
2023/02/24 11:59:21 comparison tracing: enabled
2023/02/24 11:59:21 extra coverage: enabled
2023/02/24 11:59:21 setuid sandbox: enabled
2023/02/24 11:59:21 namespace sandbox: enabled
2023/02/24 11:59:21 Android sandbox: enabled
2023/02/24 11:59:21 fault injection: enabled
2023/02/24 11:59:21 leak checking: enabled
2023/02/24 11:59:21 net packet injection: enabled
2023/02/24 11:59:21 net device setup: enabled
2023/02/24 11:59:21 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist
2023/02/24 11:59:21 devlink PCI setup: PCI device 0000:00:10.0 is not available
2023/02/24 11:59:21 USB emulation: enabled
2023/02/24 11:59:21 hci packet injection: enabled
2023/02/24 11:59:21 wifi device emulation: enabled
2023/02/24 11:59:21 802.15.4 emulation: enabled
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2023/02/24 11:59:54 fetching corpus: 11970, signal 294262/300026 (executing program)
2023/02/24 11:59:54 fetching corpus: 12020, signal 294594/300026 (executing program)
2023/02/24 11:59:54 fetching corpus: 12070, signal 294798/300026 (executing program)
2023/02/24 11:59:54 fetching corpus: 12120, signal 295235/300026 (executing program)
2023/02/24 11:59:55 fetching corpus: 12170, signal 295479/300026 (executing program)
2023/02/24 11:59:55 fetching corpus: 12220, signal 295736/300026 (executing program)
2023/02/24 11:59:55 fetching corpus: 12269, signal 296029/300026 (executing program)
2023/02/24 11:59:55 fetching corpus: 12317, signal 296320/300026 (executing program)
2023/02/24 11:59:55 fetching corpus: 12318, signal 296334/300040 (executing program)
2023/02/24 11:59:55 fetching corpus: 12318, signal 296334/300040 (executing program)
2023/02/24 11:59:58 starting 8 fuzzer processes
11:59:58 executing program 0:
syz_mount_image$ext4(0x0, &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
pipe2$9p(&(0x7f0000000140)={<r0=>0xffffffffffffffff, <r1=>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, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000240)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1])
statx(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0)
keyctl$chown(0x4, 0x0, 0x0, 0x0)

11:59:58 executing program 1:
syz_mount_image$ext4(&(0x7f0000000000)='ext2\x00', &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000380)=[{&(0x7f0000000080)="451f4e3de2ebb671f89638d800b243b50d953cf596b4059eebbcd942b3acf37667d1d9bae59e091eb506a5357fd2119d1e5bb69d576affa900c4bb8166782ef9d3018d742802edbd5e145f3b4a2e7addb5ec5b019133e86ffc292bff1763dbe8c5c03789cc925af24f01db156251d33f169d12b36a35e8e0ccd8c6d8a220dc025589cdd7e069cdaa7b42224a97a913e85e10d67ec1aead959a6767d99d521f3704091edaf0355741513db486390395b74bb07b61fbf14dedddcc7a7c", 0xbc, 0x77}, {&(0x7f0000000180)="2aa365785000de", 0x7, 0xfff}], 0x80, &(0x7f0000000400)={[{@nodelalloc}, {@nouser_xattr}, {@user_xattr}], [{@fsmagic={'fsmagic', 0x3d, 0x5}}]})
openat(0xffffffffffffffff, &(0x7f0000000440)='./file0\x00', 0x400, 0x8)
stat(&(0x7f0000000880)='./file0\x00', &(0x7f00000008c0)={0x0, 0x0, 0x0, 0x0, <r0=>0x0})
syz_mount_image$ext4(&(0x7f0000000480)='ext4\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x3, &(0x7f0000000800)=[{&(0x7f0000000500)="1079bbe89817c6b4ffc3bf3db4548864f0713650ab63349e5e394a3add44622b46eda533a1813924be2509eff9f4de50fd78c2f97a91b5f1dd1388ff492c826e801f7a50a0ad198b46a9974752385287c500d988db930af3050edceae9f3b9b773efe252e92e9c91eeb25f42e4990d4a7662e3f607ab518e02fcb8353de9cdb03cc95bfbc3acf23e6111aa6ec300164b30cacc7cc3834adb0b0ba92a402f93314c3d7a4af590d3ea98579d12a5d57988f6188c7d712548f4fef3e6f6e52833e55970e8629b03bf325e8c58d823695c3f92323663ac8784", 0xd7}, {&(0x7f0000000600)="88e2913d141cbc9f58fa9805be382a8be93a89eb284d64bdeb8709a34c50631bc16ff02a22fe5e26d29bb23ffef0a79c625e43f51b5356fd16c04159b14ad4aa9d2868188443f0c2bee02e4636c217e379dbdd0cd1d224f30c28c1a26cf3b03ad74b93cceac54a8b34d08f1c76a6a3a06ae98c495cdc7afc41dca08299314e51af95c442aaaf4851ef5680e1d8c011ca0a2d7ef1a4088a7bb9da2ae18228211d33a923ab1c3e222df60a", 0xaa, 0x4}, {&(0x7f00000006c0)="19ec75cbf660e3bdb2f5db8b1ce9a9a53a22631b91afd6", 0x17, 0x1ff}], 0x21009, &(0x7f0000000940)={[{@orlov}], [{@dont_hash}, {@mask={'mask', 0x3d, 'MAY_READ'}}, {@appraise_type}, {@smackfsfloor}, {@euid_gt={'euid>', r0}}]})

11:59:58 executing program 2:
pipe2(&(0x7f0000000700)={<r0=>0xffffffffffffffff}, 0x0)
ioctl$EVIOCGSW(r0, 0xc0189436, 0x0)

11:59:58 executing program 3:
perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0x77, 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)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x4042, 0x0)
fallocate(r0, 0x0, 0x0, 0x87ffffc)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file2\x00', 0x141042, 0x0)
pwritev(r1, &(0x7f0000000640)=[{&(0x7f00000002c0)="02", 0x1}], 0x1, 0x0, 0x0)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x4042, 0x0)
ioctl$EXT4_IOC_MOVE_EXT(r2, 0xc028660f, &(0x7f0000000000)={0x0, r1})
ftruncate(r2, 0x401)

11:59:58 executing program 4:
ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000400)=ANY=[@ANYBLOB, @ANYRES32, @ANYBLOB])
ioctl$F2FS_IOC_MOVE_RANGE(0xffffffffffffffff, 0xc020f509, &(0x7f0000000180)={0xffffffffffffffff, 0x2, 0x6, 0x4})
ioctl$LOOP_SET_BLOCK_SIZE(0xffffffffffffffff, 0x4c09, 0x6)
ioctl$LOOP_SET_BLOCK_SIZE(0xffffffffffffffff, 0x4c09, 0x80000001)
perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc2, 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)
ioctl$F2FS_IOC_MOVE_RANGE(0xffffffffffffffff, 0xc020f509, &(0x7f0000000380)={<r0=>0xffffffffffffffff, 0x8, 0x1, 0x400})
perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000100)={<r1=>0x0}, &(0x7f0000000140)=0xc)
r2 = perf_event_open(&(0x7f0000000200)={0x5, 0x80, 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, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_bp={0x0, 0x8}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
pipe(&(0x7f0000000000)={0xffffffffffffffff, <r3=>0xffffffffffffffff})
dup2(r3, r2)
ioctl$PERF_EVENT_IOC_ID(r0, 0x80082407, &(0x7f00000003c0))
perf_event_open(&(0x7f0000000280)={0x0, 0x80, 0x0, 0x0, 0x0, 0xfd, 0x0, 0x0, 0x33271, 0xc, 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, 0x5}, 0x80, 0xfffffffffffffffd, 0x8, 0x5}, 0x0, 0xf, 0xffffffffffffffff, 0x0)
dup2(0xffffffffffffffff, 0xffffffffffffffff)
perf_event_open(&(0x7f0000001840)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 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, @perf_bp={&(0x7f0000001800), 0xd}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x3)
perf_event_open(&(0x7f0000000380)={0x0, 0x80, 0x6, 0x5, 0xa2, 0xed, 0x0, 0x1, 0x140c0, 0x2, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x7fffffff, 0x2, @perf_config_ext={0x1, 0x4}, 0x800, 0xffff, 0x2, 0x0, 0x0, 0x4, 0x0, 0x0, 0x7ff, 0x0, 0x6}, r1, 0xe, 0xffffffffffffffff, 0x2)
openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup/cgroup.procs\x00', 0x2, 0x0)
write(0xffffffffffffffff, &(0x7f0000000080)="01", 0x292e9)

11:59:58 executing program 5:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
setsockopt$bt_BT_FLUSHABLE(r0, 0x112, 0x8, &(0x7f0000000380), 0x4)

11:59:58 executing program 6:
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, 0x0, 0xffffffffffffffff, 0x0)
clone3(&(0x7f0000004c00)={0xc0002100, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x58)

[   86.738013] audit: type=1400 audit(1677239998.510:6): 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
11:59:58 executing program 7:
r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
shutdown(r0, 0x0)
poll(&(0x7f0000000040)=[{r0}], 0x1, 0x0)

[   88.027421] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1
[   88.029571] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9
[   88.032533] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9
[   88.037685] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4
[   88.039872] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1
[   88.041563] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3
[   88.042890] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9
[   88.044395] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9
[   88.045575] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2
[   88.050056] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4
[   88.056129] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[   88.061032] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3
[   88.063048] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1
[   88.065162] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2
[   88.066917] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[   88.074462] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9
[   88.075432] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[   88.077345] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9
[   88.081767] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[   88.082995] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4
[   88.084435] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[   88.091628] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[   88.092814] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3
[   88.094217] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2
[   88.097776] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1
[   88.103931] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1
[   88.107007] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9
[   88.109129] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9
[   88.111724] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1
[   88.114753] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9
[   88.114983] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9
[   88.119863] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9
[   88.136826] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4
[   88.138488] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4
[   88.139574] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9
[   88.142436] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3
[   88.144247] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2
[   88.146701] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3
[   88.148078] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2
[   88.152681] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4
[   88.170531] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3
[   88.178554] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2
[   90.091439] Bluetooth: hci4: Opcode 0x c03 failed: -110
[   90.093895] Bluetooth: hci3: command 0x0409 tx timeout
[   90.095200] 
[   90.095477] ======================================================
[   90.096329] WARNING: possible circular locking dependency detected
[   90.097176] 6.2.0-next-20230224 #1 Not tainted
[   90.101046] ------------------------------------------------------
[   90.101861] syz-executor.7/275 is trying to acquire lock:
[   90.102583] ffff888015a88880 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: __flush_work+0xdd/0xd80
[   90.104000] 
[   90.104000] but task is already holding lock:
[   90.104778] ffff888015a88920 (&hdev->cmd_sync_work_lock){+.+.}-{3:3}, at: hci_cmd_sync_clear+0x45/0x250
[   90.106081] 
[   90.106081] which lock already depends on the new lock.
[   90.106081] 
[   90.107142] 
[   90.107142] the existing dependency chain (in reverse order) is:
[   90.108124] 
[   90.108124] -> #1 (&hdev->cmd_sync_work_lock){+.+.}-{3:3}:
[   90.109087]        __mutex_lock+0x133/0x14a0
[   90.109727]        hci_cmd_sync_work+0x1e6/0x320
[   90.110403]        process_one_work+0xa0f/0x1790
[   90.111074]        worker_thread+0x63b/0x1260
[   90.111741]        kthread+0x2e9/0x3a0
[   90.112287]        ret_from_fork+0x2c/0x50
[   90.112885] 
[   90.112885] -> #0 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}:
[   90.114000]        __lock_acquire+0x2d56/0x6380
[   90.114676]        lock_acquire.part.0+0xea/0x320
[   90.115377]        __flush_work+0x109/0xd80
[   90.115999]        __cancel_work_timer+0x39c/0x4e0
[   90.116680]        hci_cmd_sync_clear+0x52/0x250
[   90.117349]        hci_unregister_dev+0xf9/0x410
[   90.118027]        vhci_release+0x80/0x100
[   90.118636]        __fput+0x263/0xa40
[   90.119182]        task_work_run+0x174/0x280
[   90.119822]        do_exit+0xad8/0x2800
[   90.120387]        do_group_exit+0xd4/0x2a0
[   90.120999]        __x64_sys_exit_group+0x3e/0x50
[   90.121670]        do_syscall_64+0x3f/0x90
[   90.122254]        entry_SYSCALL_64_after_hwframe+0x72/0xdc
[   90.123028] 
[   90.123028] other info that might help us debug this:
[   90.123028] 
[   90.124080]  Possible unsafe locking scenario:
[   90.124080] 
[   90.124867]        CPU0                    CPU1
[   90.125482]        ----                    ----
[   90.126100]   lock(&hdev->cmd_sync_work_lock);
[   90.126727]                                lock((work_completion)(&hdev->cmd_sync_work));
[   90.127829]                                lock(&hdev->cmd_sync_work_lock);
[   90.128765]   lock((work_completion)(&hdev->cmd_sync_work));
[   90.129549] 
[   90.129549]  *** DEADLOCK ***
[   90.129549] 
[   90.130337] 1 lock held by syz-executor.7/275:
[   90.130958]  #0: ffff888015a88920 (&hdev->cmd_sync_work_lock){+.+.}-{3:3}, at: hci_cmd_sync_clear+0x45/0x250
[   90.132331] 
[   90.132331] stack backtrace:
[   90.132920] CPU: 1 PID: 275 Comm: syz-executor.7 Not tainted 6.2.0-next-20230224 #1
[   90.133931] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[   90.135018] Call Trace:
[   90.135386]  <TASK>
[   90.135704]  dump_stack_lvl+0x91/0xf0
[   90.136242]  check_noncircular+0x263/0x2e0
[   90.136856]  ? __pfx_check_noncircular+0x10/0x10
[   90.137538]  __lock_acquire+0x2d56/0x6380
[   90.138131]  ? lock_is_held_type+0x9f/0x120
[   90.138747]  ? __pfx___lock_acquire+0x10/0x10
[   90.139406]  ? __pfx_register_lock_class+0x10/0x10
[   90.140103]  ? __wait_for_common+0x394/0x550
[   90.140738]  ? __pfx_lock_release+0x10/0x10
[   90.141350]  lock_acquire.part.0+0xea/0x320
[   90.141961]  ? __flush_work+0xdd/0xd80
[   90.142512]  ? __pfx_lock_acquire.part.0+0x10/0x10
[   90.143182]  ? __flush_work+0xdd/0xd80
[   90.143732]  ? rcu_read_lock_sched_held+0x42/0x80
[   90.144383]  ? trace_lock_acquire+0x170/0x1e0
[   90.145005]  ? __flush_work+0xdd/0xd80
[   90.145549]  ? lock_acquire+0x32/0xc0
[   90.146085]  ? __flush_work+0xdd/0xd80
[   90.146635]  __flush_work+0x109/0xd80
[   90.147172]  ? __flush_work+0xdd/0xd80
[   90.147733]  ? __pfx_mark_lock.part.0+0x10/0x10
[   90.148382]  ? __pfx___flush_work+0x10/0x10
[   90.148982]  ? lock_acquire.part.0+0xea/0x320
[   90.149617]  ? hci_cmd_sync_clear+0x45/0x250
[   90.150230]  ? __pfx_lock_acquire.part.0+0x10/0x10
[   90.150911]  ? hci_cmd_sync_clear+0x45/0x250
[   90.151532]  ? rcu_read_lock_sched_held+0x42/0x80
[   90.152197]  ? trace_lock_acquire+0x170/0x1e0
[   90.152829]  ? lock_is_held_type+0x9f/0x120
[   90.153452]  ? mark_held_locks+0x9e/0xe0
[   90.154027]  __cancel_work_timer+0x39c/0x4e0
[   90.154637]  ? __pfx___cancel_work_timer+0x10/0x10
[   90.155311]  ? __cancel_work_timer+0x2aa/0x4e0
[   90.155930]  ? __pfx___cancel_work_timer+0x10/0x10
[   90.156516]  ? lock_release+0x1e3/0x710
[   90.157023]  ? __pfx_lock_release+0x10/0x10
[   90.157567]  ? do_raw_write_lock+0x11e/0x3b0
[   90.158108]  ? __pfx_vhci_release+0x10/0x10
[   90.158638]  hci_cmd_sync_clear+0x52/0x250
[   90.159155]  ? __pfx_vhci_release+0x10/0x10
[   90.159704]  hci_unregister_dev+0xf9/0x410
[   90.160220]  vhci_release+0x80/0x100
[   90.160689]  __fput+0x263/0xa40
[   90.161110]  task_work_run+0x174/0x280
[   90.161604]  ? __pfx_task_work_run+0x10/0x10
[   90.162149]  ? do_raw_spin_unlock+0x53/0x220
[   90.162693]  do_exit+0xad8/0x2800
[   90.163126]  ? lock_release+0x1e3/0x710
[   90.163631]  ? __pfx_lock_release+0x10/0x10
[   90.164166]  ? do_raw_spin_lock+0x125/0x270
[   90.164695]  ? __pfx_do_exit+0x10/0x10
[   90.165176]  do_group_exit+0xd4/0x2a0
[   90.165650]  __x64_sys_exit_group+0x3e/0x50
[   90.166174]  do_syscall_64+0x3f/0x90
[   90.166638]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
[   90.167253] RIP: 0033:0x7fb21e6d2b19
[   90.167712] Code: Unable to access opcode bytes at 0x7fb21e6d2aef.
[   90.168431] RSP: 002b:00007fff63f4e808 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   90.169318] RAX: ffffffffffffffda RBX: 00007fff63f4efe8 RCX: 00007fb21e6d2b19
[   90.170147] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043
[   90.170972] RBP: 0000000000000000 R08: 0000000000000026 R09: 00007fff63f4efe8
[   90.171826] R10: 0000000000000020 R11: 0000000000000246 R12: 00007fb21e72c233
[   90.172664] R13: 0000000000000002 R14: 0000000000000000 R15: 00000000000000f8
[   90.173503]  </TASK>
[   90.174030] Bluetooth: hci1: command 0x0409 tx timeout
[   90.174686] Bluetooth: hci0: command 0x0409 tx timeout
[   90.175342] Bluetooth: hci2: command 0x0409 tx timeout
[   90.219348] Bluetooth: hci6: command 0x0409 tx timeout
[   90.220015] Bluetooth: hci5: command 0x0409 tx timeout
[   90.220672] Bluetooth: hci7: command 0x0409 tx timeout
[   92.140318] Bluetooth: hci3: command 0x041b tx timeout
[   92.204347] Bluetooth: hci2: command 0x041b tx timeout
[   92.204739] Bluetooth: hci0: command 0x041b tx timeout
[   92.205116] Bluetooth: hci1: command 0x041b tx timeout
[   92.268328] Bluetooth: hci7: command 0x041b tx timeout
[   92.268761] Bluetooth: hci5: command 0x041b tx timeout
[   92.269121] Bluetooth: hci6: command 0x041b tx timeout
[   93.301828] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1
[   93.308211] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9
[   93.315583] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9
[   93.323535] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4
[   93.327483] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3
[   93.330052] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2
[   94.187337] Bluetooth: hci3: command 0x040f tx timeout
[   94.251373] Bluetooth: hci1: command 0x040f tx timeout
[   94.251763] Bluetooth: hci0: command 0x040f tx timeout
[   94.252111] Bluetooth: hci2: command 0x040f tx timeout
[   94.315325] Bluetooth: hci6: command 0x040f tx timeout
[   94.315780] Bluetooth: hci5: command 0x040f tx timeout
[   94.316146] Bluetooth: hci7: command 0x040f tx timeout
[   95.339336] Bluetooth: hci4: command 0x0409 tx timeout
[   96.235330] Bluetooth: hci3: command 0x0419 tx timeout
[   96.299440] Bluetooth: hci2: command 0x0419 tx timeout
[   96.300144] Bluetooth: hci0: command 0x0419 tx timeout
[   96.300826] Bluetooth: hci1: command 0x0419 tx timeout
[   96.364411] Bluetooth: hci7: command 0x0419 tx timeout
[   96.365130] Bluetooth: hci5: command 0x0419 tx timeout
[   96.365812] Bluetooth: hci6: command 0x0419 tx timeout
[   97.387407] Bluetooth: hci4: command 0x041b tx timeout
[   99.436339] Bluetooth: hci4: command 0x040f tx timeout

VM DIAGNOSIS:
12:00:02  Registers:
info registers vcpu 0
RAX=0000000000000001 RBX=ffff88800e85c848 RCX=0000000000000000 RDX=1ffff11001d0b905
RSI=ffffffff816d8936 RDI=ffff88800e85c820 RBP=dffffc0000000000 RSP=ffff88801b9d7628
R8 =0000000000000007 R9 =0000000000000000 R10=ffff88800e85c848 R11=0000000000000001
R12=00007f1556f01000 R13=0000000000000000 R14=ffff88800d9c3918 R15=0000000000000000
RIP=ffffffff816d896c RFL=00000246 [---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 fffffe675fbe2000 00004087 00008b00 DPL=0 TSS64-busy
GDT=     fffffe675fbe0000 0000007f
IDT=     fffffe0000000000 00000fff
CR0=80050033 CR2=0000560dcab5e080 CR3=000000000e4dc000 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=6461657268747062696c2f756e672d78
XMM02=00302e6f732e6461657268747062696c XMM03=2f756e672d78756e696c2d34365f3638
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=0000000000000069 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8
RSI=ffffffff82502865 RDI=ffffffff87f10da0 RBP=ffffffff87f10d60 RSP=ffff888015f9f190
R8 =0000000000000001 R9 =000000000000000a R10=0000000000000069 R11=0000000000000001
R12=0000000000000069 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 fffffe1b24779000 00004087 00008b00 DPL=0 TSS64-busy
GDT=     fffffe1b24777000 0000007f
IDT=     fffffe0000000000 00000fff
CR0=80050033 CR2=00007fb55a9b01f0 CR3=000000001b8ae000 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=6461657268747062696c2f756e672d78
XMM02=00302e6f732e6461657268747062696c XMM03=2f756e672d78756e696c2d34365f3638
XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000
XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000
XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000