Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:5949' (ECDSA) to the list of known hosts. 2022/09/13 14:33:34 fuzzer started 2022/09/13 14:33:35 dialing manager at localhost:36597 syzkaller login: [ 40.740797] cgroup: Unknown subsys name 'net' [ 40.836156] cgroup: Unknown subsys name 'rlimit' [ 48.494110] systemd-udevd (129) used greatest stack depth: 24768 bytes left 2022/09/13 14:33:51 syscalls: 2215 2022/09/13 14:33:51 code coverage: enabled 2022/09/13 14:33:51 comparison tracing: enabled 2022/09/13 14:33:51 extra coverage: enabled 2022/09/13 14:33:51 setuid sandbox: enabled 2022/09/13 14:33:51 namespace sandbox: enabled 2022/09/13 14:33:51 Android sandbox: enabled 2022/09/13 14:33:51 fault injection: enabled 2022/09/13 14:33:51 leak checking: enabled 2022/09/13 14:33:51 net packet injection: enabled 2022/09/13 14:33:51 net device setup: enabled 2022/09/13 14:33:51 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/09/13 14:33:51 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/09/13 14:33:51 USB emulation: enabled 2022/09/13 14:33:51 hci packet injection: enabled 2022/09/13 14:33:51 wifi device emulation: failed to parse kernel version (6.0.0-rc5-next-20220913) 2022/09/13 14:33:51 802.15.4 emulation: enabled 2022/09/13 14:33:51 fetching corpus: 0, signal 0/2000 (executing program) 2022/09/13 14:33:51 fetching corpus: 37, signal 31136/34590 (executing program) 2022/09/13 14:33:51 fetching corpus: 87, signal 46690/51423 (executing program) 2022/09/13 14:33:52 fetching corpus: 137, signal 57786/63659 (executing program) 2022/09/13 14:33:52 fetching corpus: 187, signal 66697/73556 (executing program) 2022/09/13 14:33:52 fetching corpus: 237, signal 76486/84060 (executing program) 2022/09/13 14:33:52 fetching corpus: 287, signal 81025/89552 (executing program) 2022/09/13 14:33:52 fetching corpus: 337, signal 87125/96387 (executing program) 2022/09/13 14:33:52 fetching corpus: 387, signal 91544/101588 (executing program) 2022/09/13 14:33:53 fetching corpus: 437, signal 96660/107328 (executing program) 2022/09/13 14:33:53 fetching corpus: 487, signal 99492/110900 (executing program) 2022/09/13 14:33:53 fetching corpus: 537, signal 101930/114095 (executing program) 2022/09/13 14:33:53 fetching corpus: 587, signal 104273/117191 (executing program) 2022/09/13 14:33:53 fetching corpus: 637, signal 108240/121637 (executing program) 2022/09/13 14:33:53 fetching corpus: 687, signal 110855/124817 (executing program) 2022/09/13 14:33:54 fetching corpus: 737, signal 113715/128169 (executing program) 2022/09/13 14:33:54 fetching corpus: 787, signal 117097/131928 (executing program) 2022/09/13 14:33:54 fetching corpus: 837, signal 119005/134363 (executing program) 2022/09/13 14:33:54 fetching corpus: 887, signal 121556/137344 (executing program) 2022/09/13 14:33:54 fetching corpus: 937, signal 123714/139915 (executing program) 2022/09/13 14:33:54 fetching corpus: 987, signal 124848/141642 (executing program) 2022/09/13 14:33:55 fetching corpus: 1037, signal 127465/144577 (executing program) 2022/09/13 14:33:55 fetching corpus: 1087, signal 128982/146549 (executing program) 2022/09/13 14:33:55 fetching corpus: 1137, signal 131680/149420 (executing program) 2022/09/13 14:33:55 fetching corpus: 1187, signal 133441/151492 (executing program) 2022/09/13 14:33:55 fetching corpus: 1237, signal 136788/154691 (executing program) 2022/09/13 14:33:55 fetching corpus: 1287, signal 139106/157130 (executing program) 2022/09/13 14:33:55 fetching corpus: 1337, signal 140781/159090 (executing program) 2022/09/13 14:33:56 fetching corpus: 1387, signal 142160/160755 (executing program) 2022/09/13 14:33:56 fetching corpus: 1437, signal 143701/162528 (executing program) 2022/09/13 14:33:56 fetching corpus: 1487, signal 145277/164258 (executing program) 2022/09/13 14:33:56 fetching corpus: 1537, signal 146736/165858 (executing program) 2022/09/13 14:33:56 fetching corpus: 1587, signal 148077/167356 (executing program) 2022/09/13 14:33:56 fetching corpus: 1637, signal 149204/168723 (executing program) 2022/09/13 14:33:56 fetching corpus: 1687, signal 150872/170410 (executing program) 2022/09/13 14:33:56 fetching corpus: 1737, signal 152380/171960 (executing program) 2022/09/13 14:33:56 fetching corpus: 1787, signal 153777/173416 (executing program) 2022/09/13 14:33:57 fetching corpus: 1837, signal 155569/175101 (executing program) 2022/09/13 14:33:57 fetching corpus: 1887, signal 156931/176425 (executing program) 2022/09/13 14:33:57 fetching corpus: 1937, signal 158627/177992 (executing program) 2022/09/13 14:33:57 fetching corpus: 1987, signal 160762/179815 (executing program) 2022/09/13 14:33:57 fetching corpus: 2037, signal 161349/180680 (executing program) 2022/09/13 14:33:57 fetching corpus: 2087, signal 163013/182143 (executing program) 2022/09/13 14:33:57 fetching corpus: 2137, signal 163994/183246 (executing program) 2022/09/13 14:33:58 fetching corpus: 2187, signal 164935/184247 (executing program) 2022/09/13 14:33:58 fetching corpus: 2237, signal 165768/185133 (executing program) 2022/09/13 14:33:58 fetching corpus: 2287, signal 167111/186274 (executing program) 2022/09/13 14:33:58 fetching corpus: 2337, signal 168680/187558 (executing program) 2022/09/13 14:33:58 fetching corpus: 2387, signal 170101/188703 (executing program) 2022/09/13 14:33:58 fetching corpus: 2437, signal 171261/189743 (executing program) 2022/09/13 14:33:58 fetching corpus: 2487, signal 172156/190608 (executing program) 2022/09/13 14:33:59 fetching corpus: 2537, signal 173728/191760 (executing program) 2022/09/13 14:33:59 fetching corpus: 2587, signal 174757/192683 (executing program) 2022/09/13 14:33:59 fetching corpus: 2637, signal 176403/193875 (executing program) 2022/09/13 14:33:59 fetching corpus: 2687, signal 177351/194641 (executing program) 2022/09/13 14:33:59 fetching corpus: 2737, signal 178740/195616 (executing program) 2022/09/13 14:33:59 fetching corpus: 2787, signal 180271/196632 (executing program) 2022/09/13 14:34:00 fetching corpus: 2837, signal 181374/197404 (executing program) 2022/09/13 14:34:00 fetching corpus: 2887, signal 182207/198076 (executing program) 2022/09/13 14:34:00 fetching corpus: 2937, signal 183385/198809 (executing program) 2022/09/13 14:34:00 fetching corpus: 2987, signal 184302/199448 (executing program) 2022/09/13 14:34:00 fetching corpus: 3037, signal 185872/200306 (executing program) 2022/09/13 14:34:00 fetching corpus: 3087, signal 186870/200898 (executing program) 2022/09/13 14:34:00 fetching corpus: 3137, signal 187438/201345 (executing program) 2022/09/13 14:34:01 fetching corpus: 3187, signal 188141/201873 (executing program) 2022/09/13 14:34:01 fetching corpus: 3237, signal 188911/202375 (executing program) 2022/09/13 14:34:01 fetching corpus: 3287, signal 189678/202890 (executing program) 2022/09/13 14:34:01 fetching corpus: 3337, signal 190330/203311 (executing program) 2022/09/13 14:34:01 fetching corpus: 3387, signal 191375/203829 (executing program) 2022/09/13 14:34:01 fetching corpus: 3437, signal 192184/204312 (executing program) 2022/09/13 14:34:01 fetching corpus: 3487, signal 192991/204735 (executing program) 2022/09/13 14:34:02 fetching corpus: 3537, signal 193612/205121 (executing program) 2022/09/13 14:34:02 fetching corpus: 3587, signal 194747/205623 (executing program) 2022/09/13 14:34:02 fetching corpus: 3637, signal 195751/206049 (executing program) 2022/09/13 14:34:02 fetching corpus: 3687, signal 196786/206531 (executing program) 2022/09/13 14:34:02 fetching corpus: 3737, signal 197596/206950 (executing program) 2022/09/13 14:34:02 fetching corpus: 3787, signal 198238/207245 (executing program) 2022/09/13 14:34:03 fetching corpus: 3837, signal 198965/207595 (executing program) 2022/09/13 14:34:03 fetching corpus: 3887, signal 199580/207838 (executing program) 2022/09/13 14:34:03 fetching corpus: 3937, signal 200262/208092 (executing program) 2022/09/13 14:34:03 fetching corpus: 3987, signal 201005/208346 (executing program) 2022/09/13 14:34:03 fetching corpus: 4037, signal 201860/208622 (executing program) 2022/09/13 14:34:03 fetching corpus: 4056, signal 202391/208793 (executing program) 2022/09/13 14:34:03 fetching corpus: 4056, signal 202391/208874 (executing program) 2022/09/13 14:34:03 fetching corpus: 4056, signal 202391/208956 (executing program) 2022/09/13 14:34:03 fetching corpus: 4056, signal 202391/209047 (executing program) 2022/09/13 14:34:03 fetching corpus: 4056, signal 202391/209113 (executing program) 2022/09/13 14:34:03 fetching corpus: 4056, signal 202391/209195 (executing program) 2022/09/13 14:34:03 fetching corpus: 4056, signal 202391/209268 (executing program) 2022/09/13 14:34:03 fetching corpus: 4056, signal 202391/209360 (executing program) 2022/09/13 14:34:03 fetching corpus: 4056, signal 202391/209443 (executing program) 2022/09/13 14:34:03 fetching corpus: 4056, signal 202391/209523 (executing program) 2022/09/13 14:34:03 fetching corpus: 4056, signal 202391/209593 (executing program) 2022/09/13 14:34:03 fetching corpus: 4056, signal 202391/209662 (executing program) 2022/09/13 14:34:03 fetching corpus: 4056, signal 202391/209731 (executing program) 2022/09/13 14:34:03 fetching corpus: 4056, signal 202391/209813 (executing program) 2022/09/13 14:34:03 fetching corpus: 4056, signal 202391/209899 (executing program) 2022/09/13 14:34:03 fetching corpus: 4056, signal 202391/209974 (executing program) 2022/09/13 14:34:03 fetching corpus: 4056, signal 202391/210049 (executing program) 2022/09/13 14:34:03 fetching corpus: 4056, signal 202391/210122 (executing program) 2022/09/13 14:34:03 fetching corpus: 4056, signal 202391/210194 (executing program) 2022/09/13 14:34:03 fetching corpus: 4056, signal 202391/210270 (executing program) 2022/09/13 14:34:03 fetching corpus: 4056, signal 202391/210285 (executing program) 2022/09/13 14:34:03 fetching corpus: 4056, signal 202391/210285 (executing program) 2022/09/13 14:34:06 starting 8 fuzzer processes 14:34:06 executing program 0: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)) r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000140)='fdinfo/3\x00') read$hiddev(r0, &(0x7f0000000200)=""/114, 0x72) 14:34:06 executing program 1: r0 = syz_init_net_socket$802154_raw(0x24, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8943, &(0x7f0000001300)={'wlan0\x00'}) 14:34:06 executing program 2: r0 = openat$sndseq(0xffffffffffffff9c, &(0x7f0000000440), 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000480)={0x0, @time}) [ 70.245798] audit: type=1400 audit(1663079646.328:6): avc: denied { execmem } for pid=284 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 14:34:06 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x1000000000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="eb3c906d6b66732e66617400020801000270008000f801", 0x17}], 0x0, &(0x7f00000006c0)=ANY=[]) chdir(&(0x7f0000000040)='./file0\x00') perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x4042, 0x0) write$binfmt_aout(r0, &(0x7f0000000c40)=ANY=[], 0x820) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0, 0x0) sendfile(r0, r1, 0x0, 0x7fffffff) 14:34:06 executing program 4: syz_genetlink_get_family_id$tipc2(&(0x7f0000000600), 0xffffffffffffffff) socketpair(0x0, 0x0, 0x0, &(0x7f0000000a80)) 14:34:06 executing program 5: r0 = semget$private(0x0, 0x4, 0x0) semctl$GETVAL(r0, 0x0, 0xc, 0x0) 14:34:06 executing program 7: socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ieee802154(&(0x7f0000000340), 0xffffffffffffffff) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$IEEE802154_LLSEC_GETPARAMS(r0, &(0x7f0000000840)={0x0, 0x0, &(0x7f0000000800)={&(0x7f0000000780)={0x14}, 0x14}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$IEEE802154_START_REQ(r1, &(0x7f0000000a40)={&(0x7f0000000980)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000a00)={&(0x7f00000009c0)={0x14}, 0x14}}, 0x0) 14:34:06 executing program 6: r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$sock_int(r0, 0x1, 0x3e, 0x0, &(0x7f00000000c0)) [ 71.475811] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 71.482043] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 71.484108] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 71.487398] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 71.489161] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 71.490704] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 71.502680] Bluetooth: hci0: HCI_REQ-0x0c1a [ 71.512099] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 71.522401] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 71.526161] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 71.545863] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 71.552470] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 71.554449] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 71.567574] Bluetooth: hci1: HCI_REQ-0x0c1a [ 71.597897] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 71.599835] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 71.606106] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 71.607414] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 71.609031] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 71.611368] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 71.612737] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 71.613926] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 71.615035] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 71.616251] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 71.617415] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 71.618834] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 71.624322] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 71.625470] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 71.626495] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 71.635159] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 71.636787] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 71.641885] Bluetooth: hci7: HCI_REQ-0x0c1a [ 71.643343] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 71.650917] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 71.652460] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 71.653858] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 71.668479] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 71.670211] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 71.671358] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 71.682476] Bluetooth: hci2: HCI_REQ-0x0c1a [ 71.683903] Bluetooth: hci3: HCI_REQ-0x0c1a [ 71.684659] Bluetooth: hci6: HCI_REQ-0x0c1a [ 71.700464] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 71.712830] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 71.725870] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 71.727271] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 71.728551] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 71.731681] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 71.739749] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 71.741302] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 71.743894] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 71.745111] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 71.747100] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 71.767149] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 71.770038] Bluetooth: hci5: HCI_REQ-0x0c1a [ 71.783464] Bluetooth: hci4: HCI_REQ-0x0c1a [ 73.554055] Bluetooth: hci0: command 0x0409 tx timeout [ 73.618693] Bluetooth: hci1: command 0x0409 tx timeout [ 73.681640] Bluetooth: hci7: command 0x0409 tx timeout [ 73.747196] Bluetooth: hci2: command 0x0409 tx timeout [ 73.747819] Bluetooth: hci6: command 0x0409 tx timeout [ 73.748363] Bluetooth: hci3: command 0x0409 tx timeout [ 73.809640] Bluetooth: hci4: command 0x0409 tx timeout [ 73.810636] Bluetooth: hci5: command 0x0409 tx timeout [ 75.601679] Bluetooth: hci0: command 0x041b tx timeout [ 75.665918] Bluetooth: hci1: command 0x041b tx timeout [ 75.729622] Bluetooth: hci7: command 0x041b tx timeout [ 75.793704] Bluetooth: hci3: command 0x041b tx timeout [ 75.794200] Bluetooth: hci6: command 0x041b tx timeout [ 75.794959] Bluetooth: hci2: command 0x041b tx timeout [ 75.857642] Bluetooth: hci5: command 0x041b tx timeout [ 75.858105] Bluetooth: hci4: command 0x041b tx timeout [ 77.649687] Bluetooth: hci0: command 0x040f tx timeout [ 77.714166] Bluetooth: hci1: command 0x040f tx timeout [ 77.777679] Bluetooth: hci7: command 0x040f tx timeout [ 77.841718] Bluetooth: hci2: command 0x040f tx timeout [ 77.842565] Bluetooth: hci6: command 0x040f tx timeout [ 77.844075] Bluetooth: hci3: command 0x040f tx timeout [ 77.905713] Bluetooth: hci4: command 0x040f tx timeout [ 77.906257] Bluetooth: hci5: command 0x040f tx timeout [ 79.697657] Bluetooth: hci0: command 0x0419 tx timeout [ 79.761649] Bluetooth: hci1: command 0x0419 tx timeout [ 79.825639] Bluetooth: hci7: command 0x0419 tx timeout [ 79.889665] Bluetooth: hci3: command 0x0419 tx timeout [ 79.890147] Bluetooth: hci6: command 0x0419 tx timeout [ 79.890568] Bluetooth: hci2: command 0x0419 tx timeout [ 79.953713] Bluetooth: hci5: command 0x0419 tx timeout [ 79.954204] Bluetooth: hci4: command 0x0419 tx timeout [ 129.672779] loop3: detected capacity change from 0 to 264192 [ 129.701532] audit: type=1400 audit(1663079705.784:7): avc: denied { open } for pid=3842 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 129.703534] audit: type=1400 audit(1663079705.784:8): avc: denied { kernel } for pid=3842 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 129.713597] ------------[ cut here ]------------ [ 129.713617] [ 129.713620] ====================================================== [ 129.713624] WARNING: possible circular locking dependency detected [ 129.713628] 6.0.0-rc5-next-20220913 #1 Not tainted [ 129.713634] ------------------------------------------------------ [ 129.713638] syz-executor.3/3844 is trying to acquire lock: [ 129.713644] ffffffff853fa878 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70 [ 129.713680] [ 129.713680] but task is already holding lock: [ 129.713683] ffff888008e1ac20 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 129.713711] [ 129.713711] which lock already depends on the new lock. [ 129.713711] [ 129.713714] [ 129.713714] the existing dependency chain (in reverse order) is: [ 129.713717] [ 129.713717] -> #3 (&ctx->lock){....}-{2:2}: [ 129.713731] _raw_spin_lock+0x2a/0x40 [ 129.713748] __perf_event_task_sched_out+0x53b/0x18d0 [ 129.713761] __schedule+0xedd/0x2470 [ 129.713771] schedule+0xda/0x1b0 [ 129.713780] exit_to_user_mode_prepare+0x114/0x1a0 [ 129.713801] syscall_exit_to_user_mode+0x19/0x40 [ 129.713819] do_syscall_64+0x48/0x90 [ 129.713833] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 129.713850] [ 129.713850] -> #2 (&rq->__lock){-.-.}-{2:2}: [ 129.713864] _raw_spin_lock_nested+0x30/0x40 [ 129.713878] raw_spin_rq_lock_nested+0x1e/0x30 [ 129.713892] task_fork_fair+0x63/0x4d0 [ 129.713909] sched_cgroup_fork+0x3d0/0x540 [ 129.713923] copy_process+0x3f9e/0x6df0 [ 129.713933] kernel_clone+0xe7/0x890 [ 129.713943] user_mode_thread+0xad/0xf0 [ 129.713953] rest_init+0x24/0x250 [ 129.713969] arch_call_rest_init+0xf/0x14 [ 129.713989] start_kernel+0x4c1/0x4e6 [ 129.714006] secondary_startup_64_no_verify+0xe0/0xeb [ 129.714020] [ 129.714020] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 129.714034] _raw_spin_lock_irqsave+0x39/0x60 [ 129.714049] try_to_wake_up+0xab/0x1920 [ 129.714062] up+0x75/0xb0 [ 129.714074] __up_console_sem+0x6e/0x80 [ 129.714090] console_unlock+0x46a/0x590 [ 129.714106] do_con_write+0xc05/0x1d50 [ 129.714117] con_write+0x21/0x40 [ 129.714126] n_tty_write+0x4d4/0xfe0 [ 129.714139] file_tty_write.constprop.0+0x49c/0x8f0 [ 129.714151] vfs_write+0x9c3/0xd90 [ 129.714170] ksys_write+0x127/0x250 [ 129.714187] do_syscall_64+0x3b/0x90 [ 129.714200] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 129.714217] [ 129.714217] -> #0 ((console_sem).lock){....}-{2:2}: [ 129.714230] __lock_acquire+0x2a02/0x5e70 [ 129.714247] lock_acquire+0x1a2/0x530 [ 129.714263] _raw_spin_lock_irqsave+0x39/0x60 [ 129.714278] down_trylock+0xe/0x70 [ 129.714290] __down_trylock_console_sem+0x3b/0xd0 [ 129.714306] vprintk_emit+0x16b/0x560 [ 129.714323] vprintk+0x84/0xa0 [ 129.714340] _printk+0xba/0xf1 [ 129.714358] report_bug.cold+0x72/0xab [ 129.714370] handle_bug+0x3c/0x70 [ 129.714383] exc_invalid_op+0x14/0x50 [ 129.714396] asm_exc_invalid_op+0x16/0x20 [ 129.714412] group_sched_out.part.0+0x2c7/0x460 [ 129.714423] ctx_sched_out+0x8f1/0xc10 [ 129.714432] __perf_event_task_sched_out+0x6d0/0x18d0 [ 129.714444] __schedule+0xedd/0x2470 [ 129.714454] schedule+0xda/0x1b0 [ 129.714463] exit_to_user_mode_prepare+0x114/0x1a0 [ 129.714482] syscall_exit_to_user_mode+0x19/0x40 [ 129.714499] do_syscall_64+0x48/0x90 [ 129.714512] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 129.714529] [ 129.714529] other info that might help us debug this: [ 129.714529] [ 129.714532] Chain exists of: [ 129.714532] (console_sem).lock --> &rq->__lock --> &ctx->lock [ 129.714532] [ 129.714547] Possible unsafe locking scenario: [ 129.714547] [ 129.714549] CPU0 CPU1 [ 129.714551] ---- ---- [ 129.714554] lock(&ctx->lock); [ 129.714559] lock(&rq->__lock); [ 129.714566] lock(&ctx->lock); [ 129.714572] lock((console_sem).lock); [ 129.714578] [ 129.714578] *** DEADLOCK *** [ 129.714578] [ 129.714580] 2 locks held by syz-executor.3/3844: [ 129.714587] #0: ffff88806ce37cd8 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470 [ 129.714612] #1: ffff888008e1ac20 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 129.714639] [ 129.714639] stack backtrace: [ 129.714642] CPU: 0 PID: 3844 Comm: syz-executor.3 Not tainted 6.0.0-rc5-next-20220913 #1 [ 129.714655] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 129.714663] Call Trace: [ 129.714666] [ 129.714670] dump_stack_lvl+0x8b/0xb3 [ 129.714685] check_noncircular+0x263/0x2e0 [ 129.714701] ? format_decode+0x26c/0xb50 [ 129.714717] ? print_circular_bug+0x450/0x450 [ 129.714734] ? enable_ptr_key_workfn+0x20/0x20 [ 129.714748] ? __lockdep_reset_lock+0x180/0x180 [ 129.714765] ? format_decode+0x26c/0xb50 [ 129.714780] ? alloc_chain_hlocks+0x1ec/0x5a0 [ 129.714798] __lock_acquire+0x2a02/0x5e70 [ 129.714820] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 129.714842] lock_acquire+0x1a2/0x530 [ 129.714859] ? down_trylock+0xe/0x70 [ 129.714874] ? rcu_read_unlock+0x40/0x40 [ 129.714891] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 129.714913] ? vprintk+0x84/0xa0 [ 129.714931] _raw_spin_lock_irqsave+0x39/0x60 [ 129.714946] ? down_trylock+0xe/0x70 [ 129.714960] down_trylock+0xe/0x70 [ 129.714973] ? vprintk+0x84/0xa0 [ 129.714991] __down_trylock_console_sem+0x3b/0xd0 [ 129.715008] vprintk_emit+0x16b/0x560 [ 129.715026] ? lock_downgrade+0x6d0/0x6d0 [ 129.715044] vprintk+0x84/0xa0 [ 129.715062] _printk+0xba/0xf1 [ 129.715080] ? record_print_text.cold+0x16/0x16 [ 129.715100] ? hrtimer_try_to_cancel+0x163/0x2c0 [ 129.715114] ? lock_downgrade+0x6d0/0x6d0 [ 129.715132] ? report_bug.cold+0x66/0xab [ 129.715146] ? group_sched_out.part.0+0x2c7/0x460 [ 129.715157] report_bug.cold+0x72/0xab [ 129.715172] handle_bug+0x3c/0x70 [ 129.715186] exc_invalid_op+0x14/0x50 [ 129.715200] asm_exc_invalid_op+0x16/0x20 [ 129.715217] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 129.715230] Code: 5e 41 5f e9 3b b7 ef ff e8 36 b7 ef ff 65 8b 1d ab 15 ac 7e 31 ff 89 de e8 d6 b3 ef ff 85 db 0f 84 8a 00 00 00 e8 19 b7 ef ff <0f> 0b e9 a5 fe ff ff e8 0d b7 ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 129.715242] RSP: 0018:ffff88803ec9fc48 EFLAGS: 00010006 [ 129.715251] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 129.715258] RDX: ffff88801863d040 RSI: ffffffff81566027 RDI: 0000000000000005 [ 129.715266] RBP: ffff888008660000 R08: 0000000000000005 R09: 0000000000000001 [ 129.715274] R10: 0000000000000000 R11: 0000000000000001 R12: ffff888008e1ac00 [ 129.715281] R13: ffff88806ce3d100 R14: ffffffff8547bfc0 R15: 0000000000000002 [ 129.715292] ? group_sched_out.part.0+0x2c7/0x460 [ 129.715305] ? group_sched_out.part.0+0x2c7/0x460 [ 129.715318] ctx_sched_out+0x8f1/0xc10 [ 129.715330] __perf_event_task_sched_out+0x6d0/0x18d0 [ 129.715345] ? lock_is_held_type+0xd7/0x130 [ 129.715364] ? __perf_cgroup_move+0x160/0x160 [ 129.715376] ? set_next_entity+0x304/0x550 [ 129.715394] ? update_curr+0x267/0x740 [ 129.715412] ? lock_is_held_type+0xd7/0x130 [ 129.715431] __schedule+0xedd/0x2470 [ 129.715444] ? io_schedule_timeout+0x150/0x150 [ 129.715456] ? __x64_sys_futex_time32+0x480/0x480 [ 129.715470] schedule+0xda/0x1b0 [ 129.715481] exit_to_user_mode_prepare+0x114/0x1a0 [ 129.715502] syscall_exit_to_user_mode+0x19/0x40 [ 129.715520] do_syscall_64+0x48/0x90 [ 129.715535] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 129.715552] RIP: 0033:0x7f74ec9a4b19 [ 129.715561] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 129.715572] RSP: 002b:00007f74e9f1a218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 129.715583] RAX: 0000000000000001 RBX: 00007f74ecab7f68 RCX: 00007f74ec9a4b19 [ 129.715590] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f74ecab7f6c [ 129.715598] RBP: 00007f74ecab7f60 R08: 000000000000000e R09: 0000000000000000 [ 129.715605] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f74ecab7f6c [ 129.715612] R13: 00007ffc33fed3ff R14: 00007f74e9f1a300 R15: 0000000000022000 [ 129.715625] [ 129.769953] WARNING: CPU: 0 PID: 3844 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460 [ 129.770561] Modules linked in: [ 129.770781] CPU: 0 PID: 3844 Comm: syz-executor.3 Not tainted 6.0.0-rc5-next-20220913 #1 [ 129.771311] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 129.772059] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 129.772424] Code: 5e 41 5f e9 3b b7 ef ff e8 36 b7 ef ff 65 8b 1d ab 15 ac 7e 31 ff 89 de e8 d6 b3 ef ff 85 db 0f 84 8a 00 00 00 e8 19 b7 ef ff <0f> 0b e9 a5 fe ff ff e8 0d b7 ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 129.773606] RSP: 0018:ffff88803ec9fc48 EFLAGS: 00010006 [ 129.773961] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 129.774428] RDX: ffff88801863d040 RSI: ffffffff81566027 RDI: 0000000000000005 [ 129.774899] RBP: ffff888008660000 R08: 0000000000000005 R09: 0000000000000001 [ 129.775365] R10: 0000000000000000 R11: 0000000000000001 R12: ffff888008e1ac00 [ 129.775834] R13: ffff88806ce3d100 R14: ffffffff8547bfc0 R15: 0000000000000002 [ 129.776310] FS: 00007f74e9f1a700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 129.776839] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 129.777228] CR2: 000055e9aec28000 CR3: 00000000099f6000 CR4: 0000000000350ef0 [ 129.777702] Call Trace: [ 129.777882] [ 129.778042] ctx_sched_out+0x8f1/0xc10 [ 129.778310] __perf_event_task_sched_out+0x6d0/0x18d0 [ 129.778669] ? lock_is_held_type+0xd7/0x130 [ 129.778966] ? __perf_cgroup_move+0x160/0x160 [ 129.779270] ? set_next_entity+0x304/0x550 [ 129.779560] ? update_curr+0x267/0x740 [ 129.779836] ? lock_is_held_type+0xd7/0x130 [ 129.780144] __schedule+0xedd/0x2470 [ 129.780402] ? io_schedule_timeout+0x150/0x150 [ 129.780717] ? __x64_sys_futex_time32+0x480/0x480 [ 129.781053] schedule+0xda/0x1b0 [ 129.781290] exit_to_user_mode_prepare+0x114/0x1a0 [ 129.781629] syscall_exit_to_user_mode+0x19/0x40 [ 129.781958] do_syscall_64+0x48/0x90 [ 129.782217] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 129.782569] RIP: 0033:0x7f74ec9a4b19 [ 129.782821] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 129.784018] RSP: 002b:00007f74e9f1a218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 129.784520] RAX: 0000000000000001 RBX: 00007f74ecab7f68 RCX: 00007f74ec9a4b19 [ 129.784987] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f74ecab7f6c [ 129.785454] RBP: 00007f74ecab7f60 R08: 000000000000000e R09: 0000000000000000 [ 129.785921] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f74ecab7f6c [ 129.786386] R13: 00007ffc33fed3ff R14: 00007f74e9f1a300 R15: 0000000000022000 [ 129.786861] [ 129.787024] irq event stamp: 2552 [ 129.787255] hardirqs last enabled at (2551): [] exit_to_user_mode_prepare+0x109/0x1a0 [ 129.787885] hardirqs last disabled at (2552): [] __schedule+0x1225/0x2470 [ 129.788442] softirqs last enabled at (2156): [] __irq_exit_rcu+0x11b/0x180 [ 129.789014] softirqs last disabled at (2089): [] __irq_exit_rcu+0x11b/0x180 [ 129.789585] ---[ end trace 0000000000000000 ]--- [ 132.890524] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 132.891908] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 132.893927] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 132.895639] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 132.897325] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 132.898897] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 132.900014] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 132.901861] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 132.903078] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 132.904262] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 132.906019] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 132.908556] Bluetooth: hci5: HCI_REQ-0x0c1a [ 132.908751] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 132.913159] Bluetooth: hci2: HCI_REQ-0x0c1a [ 134.929677] Bluetooth: hci5: command 0x0409 tx timeout [ 134.930619] Bluetooth: hci2: command 0x0409 tx timeout [ 134.931121] Bluetooth: hci1: Opcode 0x c03 failed: -110 [ 136.977624] Bluetooth: hci2: command 0x041b tx timeout [ 136.978124] Bluetooth: hci5: command 0x041b tx timeout [ 139.025694] Bluetooth: hci5: command 0x040f tx timeout [ 139.026266] Bluetooth: hci2: command 0x040f tx timeout [ 139.154166] Bluetooth: hci1: Opcode 0x c03 failed: -110 VM DIAGNOSIS: 14:35:06 Registers: info registers vcpu 0 RAX=0000000000000066 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff822b25c1 RDI=ffffffff8763fae0 RBP=ffffffff8763faa0 RSP=ffff88803ec9f698 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000066 R11=0000000000000001 R12=0000000000000066 R13=ffffffff8763faa0 R14=0000000000000010 R15=ffffffff822b25b0 RIP=ffffffff822b2619 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 00007f74e9f1a700 00000000 00000000 GS =0000 ffff88806ce00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000055e9aec28000 CR3=00000000099f6000 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 YMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM01=0000000000000000 0000000000000000 ffffffffffffffff ffffffffffffffff YMM02=0000000000000000 0000000000000000 ffffffffffffffff ffffffffffffffff YMM03=0000000000000000 0000000000000000 ffffffffffffffff ffffffffffffffff YMM04=0000000000000000 0000000000000000 ffffffffffffffff ffffffffffffffff YMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM06=0000000000000000 0000000000000000 0000000000000000 000000524f525245 YMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM08=0000000000000000 0000000000000000 0000000000000000 00524f5252450040 YMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=ffff88803d46e000 RCX=ffffea00003cb600 RDX=ffffea0000250880 RSI=0000000000000008 RDI=ffffffff8177f7c1 RBP=0000000000000000 RSP=ffff88803ec3f8d0 R8 =ffff888009422360 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=dffffc0000000000 R13=ffff88803ec3f910 R14=ffff888007c4f780 R15=ffff888009422bd0 RIP=ffffffff817889e6 RFL=00000202 [-------] 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 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f50d6e508e0 CR3=000000003d856000 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 YMM00=0000000000000000 0000000000000000 756e696c2d34365f 3638782f62696c2f YMM01=0000000000000000 0000000000000000 00362e6f732e6362 696c2f756e672d78 YMM02=0000000000000000 0000000000000000 ffff0000000000ff ffffffffffffffff YMM03=0000000000000000 0000000000000000 ffffffffffffffff ffffffffffffffff YMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000