Warning: Permanently added '[localhost]:16840' (ECDSA) to the list of known hosts. 2022/09/13 14:11:14 fuzzer started 2022/09/13 14:11:14 dialing manager at localhost:36597 syzkaller login: [ 35.721375] cgroup: Unknown subsys name 'net' [ 35.831367] cgroup: Unknown subsys name 'rlimit' 2022/09/13 14:11:29 syscalls: 2215 2022/09/13 14:11:29 code coverage: enabled 2022/09/13 14:11:29 comparison tracing: enabled 2022/09/13 14:11:29 extra coverage: enabled 2022/09/13 14:11:29 setuid sandbox: enabled 2022/09/13 14:11:29 namespace sandbox: enabled 2022/09/13 14:11:29 Android sandbox: enabled 2022/09/13 14:11:29 fault injection: enabled 2022/09/13 14:11:29 leak checking: enabled 2022/09/13 14:11:29 net packet injection: enabled 2022/09/13 14:11:29 net device setup: enabled 2022/09/13 14:11:29 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/09/13 14:11:29 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/09/13 14:11:29 USB emulation: enabled 2022/09/13 14:11:29 hci packet injection: enabled 2022/09/13 14:11:29 wifi device emulation: failed to parse kernel version (6.0.0-rc5-next-20220913) 2022/09/13 14:11:29 802.15.4 emulation: enabled 2022/09/13 14:11:29 fetching corpus: 0, signal 0/2000 (executing program) 2022/09/13 14:11:29 fetching corpus: 49, signal 35607/38839 (executing program) 2022/09/13 14:11:29 fetching corpus: 99, signal 47060/51618 (executing program) 2022/09/13 14:11:29 fetching corpus: 148, signal 57902/63538 (executing program) 2022/09/13 14:11:30 fetching corpus: 198, signal 65837/72463 (executing program) 2022/09/13 14:11:30 fetching corpus: 248, signal 70876/78501 (executing program) 2022/09/13 14:11:30 fetching corpus: 296, signal 77478/85895 (executing program) 2022/09/13 14:11:30 fetching corpus: 346, signal 81440/90752 (executing program) 2022/09/13 14:11:30 fetching corpus: 394, signal 85451/95574 (executing program) 2022/09/13 14:11:30 fetching corpus: 443, signal 89555/100402 (executing program) 2022/09/13 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(executing program) 2022/09/13 14:11:38 fetching corpus: 2874, signal 181066/189127 (executing program) 2022/09/13 14:11:38 fetching corpus: 2924, signal 182107/189659 (executing program) 2022/09/13 14:11:39 fetching corpus: 2974, signal 182937/190054 (executing program) 2022/09/13 14:11:39 fetching corpus: 3024, signal 184131/190580 (executing program) 2022/09/13 14:11:39 fetching corpus: 3074, signal 185110/191135 (executing program) 2022/09/13 14:11:39 fetching corpus: 3124, signal 185974/191516 (executing program) 2022/09/13 14:11:39 fetching corpus: 3130, signal 186124/191670 (executing program) 2022/09/13 14:11:39 fetching corpus: 3130, signal 186124/191743 (executing program) 2022/09/13 14:11:39 fetching corpus: 3130, signal 186124/191833 (executing program) 2022/09/13 14:11:39 fetching corpus: 3130, signal 186124/191916 (executing program) 2022/09/13 14:11:39 fetching corpus: 3130, signal 186124/192010 (executing program) 2022/09/13 14:11:39 fetching corpus: 3130, signal 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signal 186124/193107 (executing program) 2022/09/13 14:11:39 fetching corpus: 3130, signal 186124/193196 (executing program) 2022/09/13 14:11:39 fetching corpus: 3130, signal 186124/193270 (executing program) 2022/09/13 14:11:39 fetching corpus: 3130, signal 186124/193365 (executing program) 2022/09/13 14:11:39 fetching corpus: 3130, signal 186124/193434 (executing program) 2022/09/13 14:11:39 fetching corpus: 3130, signal 186124/193527 (executing program) 2022/09/13 14:11:39 fetching corpus: 3130, signal 186124/193624 (executing program) 2022/09/13 14:11:39 fetching corpus: 3130, signal 186124/193701 (executing program) 2022/09/13 14:11:39 fetching corpus: 3130, signal 186124/193792 (executing program) 2022/09/13 14:11:39 fetching corpus: 3130, signal 186124/193890 (executing program) 2022/09/13 14:11:39 fetching corpus: 3130, signal 186124/193977 (executing program) 2022/09/13 14:11:39 fetching corpus: 3130, signal 186124/194068 (executing program) 2022/09/13 14:11:39 fetching corpus: 3130, signal 186124/194155 (executing program) 2022/09/13 14:11:39 fetching corpus: 3130, signal 186124/194193 (executing program) 2022/09/13 14:11:40 fetching corpus: 3130, signal 186124/194193 (executing program) 2022/09/13 14:11:42 starting 8 fuzzer processes 14:11:42 executing program 0: r0 = syz_open_procfs$namespace(0x0, &(0x7f0000000040)='ns/time\x00') ioctl$NS_GET_USERNS(r0, 0xb701, 0x0) 14:11:42 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x101042, 0x0) pwritev(r0, &(0x7f0000000340)=[{&(0x7f00000000c0)='\"', 0x1}], 0x1, 0x0, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = dup2(0xffffffffffffffff, r1) getsockopt$inet_int(r2, 0x0, 0x17, 0x0, &(0x7f00000001c0)) ioctl$FITRIM(r2, 0xc0185879, &(0x7f00000001c0)={0x9, 0x6, 0x1}) close_range(r0, r0, 0x2) openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x101042, 0x0) close(0xffffffffffffffff) ioctl$TCSETSW2(0xffffffffffffffff, 0x402c542c, &(0x7f0000000140)={0x600, 0x4, 0x1, 0x0, 0x2, "ef8a0061728960537fbebf0ef1379fdc8a2484", 0x80000000, 0x8}) perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x1200, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffc}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./file1\x00', 0x4042, 0x0) pwrite64(r3, &(0x7f0000000000)='y', 0xfffffe5f, 0x8040000) 14:11:42 executing program 2: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000200)={{{@in6=@remote, @in, 0x0, 0x0, 0x0, 0x0, 0xa, 0x0, 0x0, 0x0, 0x0, 0xee01}}, {{@in=@local, 0x0, 0x3c}, 0x0, @in6=@rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}}, 0xe8) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, 0x0, 0x0) 14:11:42 executing program 3: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_int(r0, 0x107, 0xf, &(0x7f0000000100)=0xeb, 0x4) sendmmsg(r0, &(0x7f0000000480)=[{{&(0x7f0000000000)=@ieee802154={0x24, @long}, 0x80, &(0x7f0000000140)=[{&(0x7f0000000400)="00000000000000004ea1ba28e9a2543c9e7d4b626f04420b5f6fa07c1241b215e37d5047761b81aa5297d7fa139538428231c8300e90cb081eb58f67193d8215", 0x40}], 0x1}}], 0x1, 0x0) 14:11:42 executing program 4: futex(0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0) 14:11:42 executing program 5: close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) creat(&(0x7f0000000040)='./file0\x00', 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x101042, 0x0) r1 = open$dir(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) copy_file_range(r1, 0x0, r0, 0x0, 0x0, 0x0) 14:11:42 executing program 6: 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) 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={&(0x7f0000000480)}}, 0x0, 0xffffffefffffffff, 0xffffffffffffffff, 0x0) r0 = epoll_create(0x4) openat$hpet(0xffffffffffffff9c, &(0x7f0000000080), 0x109201, 0x0) signalfd4(0xffffffffffffffff, &(0x7f0000000200), 0x8, 0x0) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x101042, 0x0) r3 = openat(r2, &(0x7f0000000100)='./file1\x00', 0x101042, 0x0) sendfile(r3, r2, 0x0, 0xfffffdef) syz_io_uring_setup(0x5275, &(0x7f0000000100)={0x0, 0x329, 0x21, 0x0, 0x16e, 0x0, r3}, &(0x7f0000ff1000/0xc000)=nil, &(0x7f0000ff9000/0x4000)=nil, &(0x7f0000000180), &(0x7f00000001c0)) ioctl$TIOCSPTLCK(r1, 0x40045431, &(0x7f0000000040)) r4 = ioctl$TIOCGPTPEER(r1, 0x5441, 0x0) io_submit(0x0, 0x1, &(0x7f0000001340)=[&(0x7f0000001300)={0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x200000}]) dup2(r4, r0) [ 63.642343] audit: type=1400 audit(1663078302.860:6): avc: denied { execmem } for pid=282 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 14:11:42 executing program 7: 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) r0 = syz_io_uring_setup(0x56ad, &(0x7f0000000140)={0x0, 0x6c4c, 0x10, 0x2, 0x212}, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000000000), &(0x7f0000000300)) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(0xffffffffffffffff, 0xc08c5332, &(0x7f0000000080)={0x0, 0x3b4b, 0x0, 'queue0\x00'}) write$sndseq(0xffffffffffffffff, &(0x7f0000000140)=[{0x23, 0x0, 0x0, 0x0, @time, {}, {}, @time}], 0x1c) fsetxattr$trusted_overlay_opaque(r0, &(0x7f0000000200), &(0x7f0000000380), 0x2, 0x2) perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_bp={&(0x7f0000000040), 0xb}, 0x0, 0x20, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2) r1 = syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f00000000c0)='./file0/file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000140)=ANY=[]) lseek(r1, 0x0, 0x3) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000780)) mmap$IORING_OFF_SQ_RING(&(0x7f0000ffc000/0x2000)=nil, 0x2000, 0x1000004, 0x2811, 0xffffffffffffffff, 0x0) syz_io_uring_setup(0x35a6, &(0x7f00000003c0)={0x0, 0x132c, 0x10, 0x2, 0x375}, &(0x7f0000fff000/0x1000)=nil, &(0x7f0000ffb000/0x4000)=nil, &(0x7f0000000440), &(0x7f0000000480)) [ 65.020952] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 65.023637] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 65.025457] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 65.027046] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 65.028916] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 65.030370] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 65.040742] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 65.048238] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 65.049971] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 65.051446] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 65.052595] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 65.053689] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 65.054709] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 65.056605] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 65.057673] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 65.061965] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 65.063545] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 65.065871] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 65.067440] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 65.075028] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 65.076179] Bluetooth: hci2: HCI_REQ-0x0c1a [ 65.076971] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 65.078662] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 65.082402] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 65.093108] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 65.094526] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 65.096911] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 65.098710] Bluetooth: hci3: HCI_REQ-0x0c1a [ 65.099736] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 65.101500] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 65.106767] Bluetooth: hci4: HCI_REQ-0x0c1a [ 65.111474] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 65.112979] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 65.114293] Bluetooth: hci1: HCI_REQ-0x0c1a [ 65.122241] Bluetooth: hci0: HCI_REQ-0x0c1a [ 65.153615] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 65.158442] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 65.162007] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 65.166040] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 65.167113] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 65.168337] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 65.170829] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 65.171823] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 65.176763] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 65.180468] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 65.184603] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 65.185899] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 65.192231] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 65.193387] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 65.195940] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 65.196945] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 65.197851] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 65.200000] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 65.204390] Bluetooth: hci7: HCI_REQ-0x0c1a [ 65.216290] Bluetooth: hci6: HCI_REQ-0x0c1a [ 65.218814] Bluetooth: hci5: HCI_REQ-0x0c1a [ 67.143890] Bluetooth: hci4: command 0x0409 tx timeout [ 67.144151] Bluetooth: hci0: command 0x0409 tx timeout [ 67.144953] Bluetooth: hci2: command 0x0409 tx timeout [ 67.145337] Bluetooth: hci1: command 0x0409 tx timeout [ 67.146516] Bluetooth: hci3: command 0x0409 tx timeout [ 67.271182] Bluetooth: hci6: command 0x0409 tx timeout [ 67.271700] Bluetooth: hci5: command 0x0409 tx timeout [ 67.272812] Bluetooth: hci7: command 0x0409 tx timeout [ 69.191341] Bluetooth: hci3: command 0x041b tx timeout [ 69.192390] Bluetooth: hci1: command 0x041b tx timeout [ 69.193298] Bluetooth: hci2: command 0x041b tx timeout [ 69.195583] Bluetooth: hci0: command 0x041b tx timeout [ 69.197045] Bluetooth: hci4: command 0x041b tx timeout [ 69.319336] Bluetooth: hci7: command 0x041b tx timeout [ 69.320323] Bluetooth: hci5: command 0x041b tx timeout [ 69.321228] Bluetooth: hci6: command 0x041b tx timeout [ 71.239386] Bluetooth: hci4: command 0x040f tx timeout [ 71.240431] Bluetooth: hci0: command 0x040f tx timeout [ 71.241350] Bluetooth: hci2: command 0x040f tx timeout [ 71.242849] Bluetooth: hci1: command 0x040f tx timeout [ 71.244566] Bluetooth: hci3: command 0x040f tx timeout [ 71.367314] Bluetooth: hci6: command 0x040f tx timeout [ 71.368356] Bluetooth: hci5: command 0x040f tx timeout [ 71.369811] Bluetooth: hci7: command 0x040f tx timeout [ 73.287259] Bluetooth: hci3: command 0x0419 tx timeout [ 73.288081] Bluetooth: hci1: command 0x0419 tx timeout [ 73.288872] Bluetooth: hci2: command 0x0419 tx timeout [ 73.290578] Bluetooth: hci0: command 0x0419 tx timeout [ 73.291473] Bluetooth: hci4: command 0x0419 tx timeout [ 73.415239] Bluetooth: hci7: command 0x0419 tx timeout [ 73.415995] Bluetooth: hci5: command 0x0419 tx timeout [ 73.416786] Bluetooth: hci6: command 0x0419 tx timeout [ 121.681035] audit: type=1400 audit(1663078360.899:7): avc: denied { open } for pid=3779 comm="syz-executor.1" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 121.682582] audit: type=1400 audit(1663078360.899:8): avc: denied { kernel } for pid=3779 comm="syz-executor.1" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 121.689256] ------------[ cut here ]------------ [ 121.689277] [ 121.689280] ====================================================== [ 121.689284] WARNING: possible circular locking dependency detected [ 121.689288] 6.0.0-rc5-next-20220913 #1 Not tainted [ 121.689294] ------------------------------------------------------ [ 121.689298] syz-executor.1/3781 is trying to acquire lock: [ 121.689304] ffffffff853fa878 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70 [ 121.689341] [ 121.689341] but task is already holding lock: [ 121.689343] ffff888015fca820 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 121.689371] [ 121.689371] which lock already depends on the new lock. [ 121.689371] [ 121.689374] [ 121.689374] the existing dependency chain (in reverse order) is: [ 121.689378] [ 121.689378] -> #3 (&ctx->lock){....}-{2:2}: [ 121.689392] _raw_spin_lock+0x2a/0x40 [ 121.689409] __perf_event_task_sched_out+0x53b/0x18d0 [ 121.689421] __schedule+0xedd/0x2470 [ 121.689431] schedule+0xda/0x1b0 [ 121.689441] exit_to_user_mode_prepare+0x114/0x1a0 [ 121.689461] syscall_exit_to_user_mode+0x19/0x40 [ 121.689479] do_syscall_64+0x48/0x90 [ 121.689493] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 121.689511] [ 121.689511] -> #2 (&rq->__lock){-.-.}-{2:2}: [ 121.689525] _raw_spin_lock_nested+0x30/0x40 [ 121.689540] raw_spin_rq_lock_nested+0x1e/0x30 [ 121.689553] task_fork_fair+0x63/0x4d0 [ 121.689570] sched_cgroup_fork+0x3d0/0x540 [ 121.689584] copy_process+0x3f9e/0x6df0 [ 121.689595] kernel_clone+0xe7/0x890 [ 121.689604] user_mode_thread+0xad/0xf0 [ 121.689614] rest_init+0x24/0x250 [ 121.689631] arch_call_rest_init+0xf/0x14 [ 121.689650] start_kernel+0x4c1/0x4e6 [ 121.689668] secondary_startup_64_no_verify+0xe0/0xeb [ 121.689682] [ 121.689682] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 121.689695] _raw_spin_lock_irqsave+0x39/0x60 [ 121.689710] try_to_wake_up+0xab/0x1920 [ 121.689723] up+0x75/0xb0 [ 121.689735] __up_console_sem+0x6e/0x80 [ 121.689751] console_unlock+0x46a/0x590 [ 121.689767] vt_ioctl+0x2822/0x2ca0 [ 121.689780] tty_ioctl+0x7c4/0x1700 [ 121.689791] __x64_sys_ioctl+0x19a/0x210 [ 121.689807] do_syscall_64+0x3b/0x90 [ 121.689819] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 121.689836] [ 121.689836] -> #0 ((console_sem).lock){....}-{2:2}: [ 121.689850] __lock_acquire+0x2a02/0x5e70 [ 121.689867] lock_acquire+0x1a2/0x530 [ 121.689883] _raw_spin_lock_irqsave+0x39/0x60 [ 121.689898] down_trylock+0xe/0x70 [ 121.689910] __down_trylock_console_sem+0x3b/0xd0 [ 121.689926] vprintk_emit+0x16b/0x560 [ 121.689943] vprintk+0x84/0xa0 [ 121.689959] _printk+0xba/0xf1 [ 121.689977] report_bug.cold+0x72/0xab [ 121.689989] handle_bug+0x3c/0x70 [ 121.690002] exc_invalid_op+0x14/0x50 [ 121.690015] asm_exc_invalid_op+0x16/0x20 [ 121.690032] group_sched_out.part.0+0x2c7/0x460 [ 121.690042] ctx_sched_out+0x8f1/0xc10 [ 121.690052] __perf_event_task_sched_out+0x6d0/0x18d0 [ 121.690064] __schedule+0xedd/0x2470 [ 121.690073] schedule+0xda/0x1b0 [ 121.690082] exit_to_user_mode_prepare+0x114/0x1a0 [ 121.690102] syscall_exit_to_user_mode+0x19/0x40 [ 121.690119] do_syscall_64+0x48/0x90 [ 121.690132] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 121.690149] [ 121.690149] other info that might help us debug this: [ 121.690149] [ 121.690152] Chain exists of: [ 121.690152] (console_sem).lock --> &rq->__lock --> &ctx->lock [ 121.690152] [ 121.690167] Possible unsafe locking scenario: [ 121.690167] [ 121.690169] CPU0 CPU1 [ 121.690171] ---- ---- [ 121.690174] lock(&ctx->lock); [ 121.690180] lock(&rq->__lock); [ 121.690186] lock(&ctx->lock); [ 121.690192] lock((console_sem).lock); [ 121.690198] [ 121.690198] *** DEADLOCK *** [ 121.690198] [ 121.690200] 2 locks held by syz-executor.1/3781: [ 121.690207] #0: ffff88806ce37cd8 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470 [ 121.690233] #1: ffff888015fca820 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 121.690260] [ 121.690260] stack backtrace: [ 121.690263] CPU: 0 PID: 3781 Comm: syz-executor.1 Not tainted 6.0.0-rc5-next-20220913 #1 [ 121.690276] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 121.690284] Call Trace: [ 121.690287] [ 121.690291] dump_stack_lvl+0x8b/0xb3 [ 121.690306] check_noncircular+0x263/0x2e0 [ 121.690322] ? format_decode+0x26c/0xb50 [ 121.690338] ? print_circular_bug+0x450/0x450 [ 121.690355] ? enable_ptr_key_workfn+0x20/0x20 [ 121.690369] ? __lockdep_reset_lock+0x180/0x180 [ 121.690386] ? format_decode+0x26c/0xb50 [ 121.690401] ? alloc_chain_hlocks+0x1ec/0x5a0 [ 121.690419] __lock_acquire+0x2a02/0x5e70 [ 121.690441] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 121.690463] lock_acquire+0x1a2/0x530 [ 121.690481] ? down_trylock+0xe/0x70 [ 121.690495] ? rcu_read_unlock+0x40/0x40 [ 121.690514] ? find_held_lock+0x2c/0x110 [ 121.690531] ? vprintk+0x84/0xa0 [ 121.690549] _raw_spin_lock_irqsave+0x39/0x60 [ 121.690565] ? down_trylock+0xe/0x70 [ 121.690578] down_trylock+0xe/0x70 [ 121.690592] ? vprintk+0x84/0xa0 [ 121.690609] __down_trylock_console_sem+0x3b/0xd0 [ 121.690627] vprintk_emit+0x16b/0x560 [ 121.690646] vprintk+0x84/0xa0 [ 121.690664] _printk+0xba/0xf1 [ 121.690682] ? record_print_text.cold+0x16/0x16 [ 121.690702] ? hrtimer_try_to_cancel+0x163/0x2c0 [ 121.690716] ? lock_downgrade+0x6d0/0x6d0 [ 121.690734] ? report_bug.cold+0x66/0xab [ 121.690748] ? group_sched_out.part.0+0x2c7/0x460 [ 121.690759] report_bug.cold+0x72/0xab [ 121.690775] handle_bug+0x3c/0x70 [ 121.690791] exc_invalid_op+0x14/0x50 [ 121.690808] asm_exc_invalid_op+0x16/0x20 [ 121.690825] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 121.690838] 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 [ 121.690850] RSP: 0018:ffff88801d4bfc48 EFLAGS: 00010006 [ 121.690859] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 121.690866] RDX: ffff88801f708000 RSI: ffffffff81566027 RDI: 0000000000000005 [ 121.690874] RBP: ffff8880086605c8 R08: 0000000000000005 R09: 0000000000000001 [ 121.690882] R10: 0000000000000000 R11: 0000000000000001 R12: ffff888015fca800 [ 121.690889] R13: ffff88806ce3d100 R14: ffffffff8547bfc0 R15: 0000000000000002 [ 121.690900] ? group_sched_out.part.0+0x2c7/0x460 [ 121.690913] ? group_sched_out.part.0+0x2c7/0x460 [ 121.690926] ctx_sched_out+0x8f1/0xc10 [ 121.690939] __perf_event_task_sched_out+0x6d0/0x18d0 [ 121.690954] ? lock_is_held_type+0xd7/0x130 [ 121.690973] ? __perf_cgroup_move+0x160/0x160 [ 121.690984] ? set_next_entity+0x304/0x550 [ 121.691002] ? update_curr+0x267/0x740 [ 121.691021] ? lock_is_held_type+0xd7/0x130 [ 121.691040] __schedule+0xedd/0x2470 [ 121.691053] ? io_schedule_timeout+0x150/0x150 [ 121.691066] ? __x64_sys_futex_time32+0x480/0x480 [ 121.691079] schedule+0xda/0x1b0 [ 121.691090] exit_to_user_mode_prepare+0x114/0x1a0 [ 121.691111] syscall_exit_to_user_mode+0x19/0x40 [ 121.691130] do_syscall_64+0x48/0x90 [ 121.691144] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 121.691161] RIP: 0033:0x7fe57444ab19 [ 121.691170] 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 [ 121.691181] RSP: 002b:00007fe5719c0218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 121.691192] RAX: 0000000000000001 RBX: 00007fe57455df68 RCX: 00007fe57444ab19 [ 121.691199] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fe57455df6c [ 121.691207] RBP: 00007fe57455df60 R08: 000000000000000e R09: 0000000000000000 [ 121.691214] R10: 0000000000000005 R11: 0000000000000246 R12: 00007fe57455df6c [ 121.691221] R13: 00007ffddf786a8f R14: 00007fe5719c0300 R15: 0000000000022000 [ 121.691234] [ 121.748631] WARNING: CPU: 0 PID: 3781 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460 [ 121.749331] Modules linked in: [ 121.749570] CPU: 0 PID: 3781 Comm: syz-executor.1 Not tainted 6.0.0-rc5-next-20220913 #1 [ 121.750167] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 121.751004] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 121.751406] 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 [ 121.752747] RSP: 0018:ffff88801d4bfc48 EFLAGS: 00010006 [ 121.753141] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 121.753666] RDX: ffff88801f708000 RSI: ffffffff81566027 RDI: 0000000000000005 [ 121.754192] RBP: ffff8880086605c8 R08: 0000000000000005 R09: 0000000000000001 [ 121.754717] R10: 0000000000000000 R11: 0000000000000001 R12: ffff888015fca800 [ 121.755258] R13: ffff88806ce3d100 R14: ffffffff8547bfc0 R15: 0000000000000002 [ 121.755799] FS: 00007fe5719c0700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 121.756414] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 121.756854] CR2: 00007f38ac862260 CR3: 000000003e29a000 CR4: 0000000000350ef0 [ 121.757402] Call Trace: [ 121.757599] [ 121.757776] ctx_sched_out+0x8f1/0xc10 [ 121.758080] __perf_event_task_sched_out+0x6d0/0x18d0 [ 121.758472] ? lock_is_held_type+0xd7/0x130 [ 121.758800] ? __perf_cgroup_move+0x160/0x160 [ 121.759141] ? set_next_entity+0x304/0x550 [ 121.759465] ? update_curr+0x267/0x740 [ 121.759768] ? lock_is_held_type+0xd7/0x130 [ 121.760100] __schedule+0xedd/0x2470 [ 121.760388] ? io_schedule_timeout+0x150/0x150 [ 121.760748] ? __x64_sys_futex_time32+0x480/0x480 [ 121.761128] schedule+0xda/0x1b0 [ 121.761389] exit_to_user_mode_prepare+0x114/0x1a0 [ 121.761775] syscall_exit_to_user_mode+0x19/0x40 [ 121.762144] do_syscall_64+0x48/0x90 [ 121.762436] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 121.762834] RIP: 0033:0x7fe57444ab19 [ 121.763131] 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 [ 121.764521] RSP: 002b:00007fe5719c0218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 121.765086] RAX: 0000000000000001 RBX: 00007fe57455df68 RCX: 00007fe57444ab19 [ 121.765630] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fe57455df6c [ 121.766163] RBP: 00007fe57455df60 R08: 000000000000000e R09: 0000000000000000 [ 121.766692] R10: 0000000000000005 R11: 0000000000000246 R12: 00007fe57455df6c [ 121.767235] R13: 00007ffddf786a8f R14: 00007fe5719c0300 R15: 0000000000022000 [ 121.767774] [ 121.767952] irq event stamp: 1500 [ 121.768200] hardirqs last enabled at (1499): [] exit_to_user_mode_prepare+0x109/0x1a0 [ 121.768915] hardirqs last disabled at (1500): [] __schedule+0x1225/0x2470 [ 121.769518] softirqs last enabled at (1334): [] __irq_exit_rcu+0x11b/0x180 [ 121.770154] softirqs last disabled at (1273): [] __irq_exit_rcu+0x11b/0x180 [ 121.770772] ---[ end trace 0000000000000000 ]--- [ 122.301135] hrtimer: interrupt took 17122 ns [ 126.175486] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 126.176649] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 126.182249] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 126.183976] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 126.185162] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 126.187348] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 126.190974] Bluetooth: hci5: HCI_REQ-0x0c1a [ 126.219832] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 126.220641] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 126.221513] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 126.222993] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 126.224605] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 126.225597] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 126.228967] Bluetooth: hci6: HCI_REQ-0x0c1a [ 128.199174] Bluetooth: hci5: command 0x0409 tx timeout [ 128.199220] Bluetooth: hci3: Opcode 0x c03 failed: -110 [ 128.264193] Bluetooth: hci6: command 0x0409 tx timeout [ 130.248187] Bluetooth: hci5: command 0x041b tx timeout [ 130.311197] Bluetooth: hci6: command 0x041b tx timeout VM DIAGNOSIS: 14:12:41 Registers: info registers vcpu 0 RAX=000000000000000a RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff822b25c1 RDI=ffffffff8763fae0 RBP=ffffffff8763faa0 RSP=ffff88801d4bf698 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=000000000000000a 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 00007fe5719c0700 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=00007f38ac862260 CR3=000000003e29a000 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 00007fe5745317c0 00007fe5745317c8 YMM02=0000000000000000 0000000000000000 00007fe5745317e0 00007fe5745317c0 YMM03=0000000000000000 0000000000000000 00007fe5745317c8 00007fe5745317c0 YMM04=0000000000000000 0000000000000000 ffffffffffffffff ffffffff00000000 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=0000000080000000 RBX=0000000000000005 RCX=0000000080000000 RDX=ffff88800ff19ac0 RSI=ffffffff812c076f RDI=0000000000000001 RBP=000000000000002d RSP=ffff88801880fbe8 R8 =0000000000000001 R9 =000000000000005e R10=000000000000000d R11=0000000000000001 R12=ffff88800ff7810f R13=0000000000000026 R14=ffff88800ff7a150 R15=000000000000000d RIP=ffffffff8146174d RFL=00000297 [--S-APC] 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 00007f69a3344900 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=00007f69a2799c20 CR3=000000000e276000 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 0000000000000000 0000000000000000 YMM01=0000000000000000 0000000000000000 00007c543315d9b5 7a4bebf195e67e60 YMM02=0000000000000000 0000000000000000 6b1e99b806172e3b 00000000000aea28 YMM03=0000000000000000 0000000000000000 ac8bc31478ec8511 00000000000aefa0 YMM04=0000000000000000 0000000000000000 03c4e8114429e233 0000000000135518 YMM05=0000000000000000 0000000000000000 d3fdd5f48436fbd7 00000000000aead0 YMM06=0000000000000000 0000000000000000 d7899fce04b3bae3 00000000000ae988 YMM07=0000000000000000 0000000000000000 a1fcdcf819d7e1e5 00000000000ae728 YMM08=0000000000000000 0000000000000000 44495f474f4c5359 530069253d595449 YMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM10=0000000000000000 0000000000000000 0000000000000000 0000200000000000 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