Warning: Permanently added '[localhost]:26275' (ECDSA) to the list of known hosts. 2022/09/12 17:46:03 fuzzer started 2022/09/12 17:46:03 dialing manager at localhost:38027 syzkaller login: [ 36.330732] cgroup: Unknown subsys name 'net' [ 36.412961] cgroup: Unknown subsys name 'rlimit' 2022/09/12 17:46:17 syscalls: 2215 2022/09/12 17:46:17 code coverage: enabled 2022/09/12 17:46:17 comparison tracing: enabled 2022/09/12 17:46:17 extra coverage: enabled 2022/09/12 17:46:17 setuid sandbox: enabled 2022/09/12 17:46:17 namespace sandbox: enabled 2022/09/12 17:46:17 Android sandbox: enabled 2022/09/12 17:46:17 fault injection: enabled 2022/09/12 17:46:17 leak checking: enabled 2022/09/12 17:46:17 net packet injection: enabled 2022/09/12 17:46:17 net device setup: enabled 2022/09/12 17:46:17 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/09/12 17:46:17 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/09/12 17:46:17 USB emulation: enabled 2022/09/12 17:46:17 hci packet injection: enabled 2022/09/12 17:46:17 wifi device emulation: failed to parse kernel version (6.0.0-rc5-next-20220912) 2022/09/12 17:46:17 802.15.4 emulation: enabled 2022/09/12 17:46:17 fetching corpus: 0, signal 0/2000 (executing program) 2022/09/12 17:46:18 fetching corpus: 43, signal 25074/28678 (executing program) 2022/09/12 17:46:18 fetching corpus: 93, signal 40591/45611 (executing program) 2022/09/12 17:46:18 fetching corpus: 143, signal 52008/58335 (executing program) 2022/09/12 17:46:18 fetching corpus: 193, signal 60732/68321 (executing program) 2022/09/12 17:46:18 fetching corpus: 243, signal 71377/80004 (executing program) 2022/09/12 17:46:18 fetching corpus: 292, signal 75905/85767 (executing program) 2022/09/12 17:46:19 fetching corpus: 342, signal 80982/91991 (executing program) 2022/09/12 17:46:19 fetching corpus: 392, signal 85064/97142 (executing program) 2022/09/12 17:46:19 fetching corpus: 442, signal 89323/102486 (executing program) 2022/09/12 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252914/265471 (executing program) 2022/09/12 17:46:40 fetching corpus: 8226, signal 253376/265479 (executing program) 2022/09/12 17:46:40 fetching corpus: 8275, signal 253752/265483 (executing program) 2022/09/12 17:46:40 fetching corpus: 8325, signal 254008/265510 (executing program) 2022/09/12 17:46:41 fetching corpus: 8374, signal 254315/265533 (executing program) 2022/09/12 17:46:41 fetching corpus: 8381, signal 254380/265533 (executing program) 2022/09/12 17:46:41 fetching corpus: 8381, signal 254380/265533 (executing program) 2022/09/12 17:46:43 starting 8 fuzzer processes 17:46:43 executing program 0: r0 = openat$sndseq(0xffffffffffffff9c, &(0x7f0000000040), 0x0) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT(r0, 0x40605346, &(0x7f00000002c0)={0x0, 0x1f00}) 17:46:43 executing program 1: perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff, 0x4, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8001}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) io_setup(0x3d2, &(0x7f0000000140)) r0 = socket$inet6_udp(0xa, 0x2, 0x0) r1 = dup(r0) connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x0, 0x0, @mcast2, 0x2}, 0x1c) connect$inet6(r1, &(0x7f0000000200)={0xa, 0x4e22, 0x0, @ipv4={'\x00', '\xff\xff', @dev}}, 0x1c) sendmmsg$inet6(r1, &(0x7f0000002880), 0x4000101, 0x0) openat(0xffffffffffffffff, &(0x7f0000000180)='./file0\x00', 0x4143, 0x0) pwritev2(0xffffffffffffffff, &(0x7f0000000080)=[{&(0x7f00000001c0)='(', 0x1}], 0x1, 0x0, 0x0, 0x2) r2 = fcntl$dupfd(0xffffffffffffffff, 0x406, 0xffffffffffffffff) dup(0xffffffffffffffff) openat(r2, &(0x7f0000000540)='./file0\x00', 0x0, 0x2) getsockopt$IP6T_SO_GET_REVISION_TARGET(r0, 0x29, 0x45, &(0x7f0000000040)={'IDLETIMER\x00'}, &(0x7f0000000100)=0x1e) 17:46:43 executing program 2: syz_emit_ethernet(0x6e, &(0x7f0000000000)={@local, @multicast, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "2ddc20", 0x38, 0x3a, 0x0, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, @local, {[], @pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "f2f126", 0x0, 0x2b, 0x0, @private2, @ipv4={'\x00', '\xff\xff', @loopback}, [@srh={0x0, 0x0, 0x4, 0x0, 0x9}]}}}}}}}, 0x0) 17:46:44 executing program 3: io_uring_register$IORING_REGISTER_PERSONALITY(0xffffffffffffffff, 0x9, 0x0, 0x0) r0 = perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0x9c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000b00), 0x4}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = getpid() r2 = perf_event_open(&(0x7f0000000a80)={0x2, 0x80, 0x0, 0x0, 0x6, 0x4, 0x0, 0x7fffffff, 0x80400, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x3, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x401, 0x2, @perf_config_ext={0x5, 0x7}, 0x4003, 0xb7, 0x6, 0x3, 0xb06, 0xfffffffe, 0xfffe, 0x0, 0x46, 0x0, 0x2}, r1, 0xd, r0, 0x9) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000300)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=r2, @ANYRES32=0xee01, @ANYRES32=0xee01, @ANYBLOB="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"]) r4 = io_uring_register$IORING_REGISTER_PERSONALITY(0xffffffffffffffff, 0x9, 0x0, 0x0) r5 = dup3(r0, r2, 0x80000) mmap$IORING_OFF_SQES(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x0, 0x80010, r5, 0x10000000) io_uring_register$IORING_UNREGISTER_PERSONALITY(r3, 0xa, 0x0, r4) perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffbfffffffffff, 0xffffffffffffffff, 0x0) r6 = syz_io_uring_setup(0x35c3, &(0x7f0000000180)={0x0, 0x39dd, 0x8, 0x3, 0x1f4}, &(0x7f0000ffe000/0x1000)=nil, &(0x7f0000ffe000/0x1000)=nil, &(0x7f0000000040), &(0x7f0000000200)) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000280)={0xffffffffffffffff, 0xffffffffffffffff}) mknodat$loop(r3, &(0x7f0000000100)='./file0\x00', 0x1, 0x0) io_uring_register$IORING_REGISTER_FILES(r6, 0x2, &(0x7f0000000240)=[r8, r7, 0xffffffffffffffff, 0xffffffffffffffff], 0x4) [ 76.532334] audit: type=1400 audit(1663004804.028:6): 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 17:46:44 executing program 4: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000080)={0x2, &(0x7f0000000000)=[{0x28, 0x0, 0x0, 0xfffff020}, {0x6}]}, 0x10) 17:46:44 executing program 5: syz_mount_image$ext4(0x0, &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) mount$tmpfs(0x0, &(0x7f00000001c0)='./file0\x00', 0x0, 0x28, &(0x7f0000000200)={[{@gid}]}) 17:46:44 executing program 6: set_mempolicy(0x6001, 0x0, 0x0) 17:46:44 executing program 7: r0 = shmget$private(0x0, 0x1000, 0x0, &(0x7f0000fff000/0x1000)=nil) perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x300, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0xfffffffffffffffe, 0xa83}, 0x2308, 0x7fff, 0xfffffffe}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) shmctl$IPC_RMID(r0, 0x0) [ 77.907884] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 77.912220] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 77.913628] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 77.916732] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 77.918646] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 77.920115] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 77.922258] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 77.925047] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 77.932515] Bluetooth: hci1: HCI_REQ-0x0c1a [ 77.973094] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 77.973999] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 77.974531] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 77.975484] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 77.978937] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 77.980404] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 77.981558] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 77.982574] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 77.983154] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 77.984606] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 77.985640] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 77.986481] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 77.986627] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 77.987282] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 77.988540] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 77.989404] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 77.991211] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 77.991851] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 77.994536] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 77.994545] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 77.995472] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 77.996736] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 77.998526] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 77.999675] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 78.000439] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 78.001239] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 78.002494] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 78.003108] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 78.003635] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 78.004163] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 78.010450] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 78.013460] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 78.018684] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 78.019643] Bluetooth: hci5: HCI_REQ-0x0c1a [ 78.019954] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 78.020540] Bluetooth: hci6: HCI_REQ-0x0c1a [ 78.024094] Bluetooth: hci4: HCI_REQ-0x0c1a [ 78.032044] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 78.036093] Bluetooth: hci3: HCI_REQ-0x0c1a [ 78.044219] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 78.048895] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 78.049894] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 78.051330] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 78.052385] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 78.055311] Bluetooth: hci0: HCI_REQ-0x0c1a [ 78.060266] Bluetooth: hci7: HCI_REQ-0x0c1a [ 78.074729] Bluetooth: hci2: HCI_REQ-0x0c1a [ 79.989481] Bluetooth: hci1: command 0x0409 tx timeout [ 80.052000] Bluetooth: hci5: command 0x0409 tx timeout [ 80.052993] Bluetooth: hci4: command 0x0409 tx timeout [ 80.055301] Bluetooth: hci3: command 0x0409 tx timeout [ 80.056259] Bluetooth: hci6: command 0x0409 tx timeout [ 80.116108] Bluetooth: hci7: command 0x0409 tx timeout [ 80.116931] Bluetooth: hci0: command 0x0409 tx timeout [ 80.116988] Bluetooth: hci2: command 0x0409 tx timeout [ 82.037041] Bluetooth: hci1: command 0x041b tx timeout [ 82.100990] Bluetooth: hci6: command 0x041b tx timeout [ 82.101509] Bluetooth: hci3: command 0x041b tx timeout [ 82.101975] Bluetooth: hci4: command 0x041b tx timeout [ 82.102418] Bluetooth: hci5: command 0x041b tx timeout [ 82.164895] Bluetooth: hci2: command 0x041b tx timeout [ 82.165414] Bluetooth: hci0: command 0x041b tx timeout [ 82.166071] Bluetooth: hci7: command 0x041b tx timeout [ 84.084861] Bluetooth: hci1: command 0x040f tx timeout [ 84.148943] Bluetooth: hci5: command 0x040f tx timeout [ 84.149496] Bluetooth: hci4: command 0x040f tx timeout [ 84.151064] Bluetooth: hci3: command 0x040f tx timeout [ 84.151519] Bluetooth: hci6: command 0x040f tx timeout [ 84.212885] Bluetooth: hci7: command 0x040f tx timeout [ 84.213399] Bluetooth: hci0: command 0x040f tx timeout [ 84.214521] Bluetooth: hci2: command 0x040f tx timeout [ 86.133196] Bluetooth: hci1: command 0x0419 tx timeout [ 86.195946] Bluetooth: hci6: command 0x0419 tx timeout [ 86.196446] Bluetooth: hci3: command 0x0419 tx timeout [ 86.196895] Bluetooth: hci4: command 0x0419 tx timeout [ 86.197302] Bluetooth: hci5: command 0x0419 tx timeout [ 86.260927] Bluetooth: hci2: command 0x0419 tx timeout [ 86.261380] Bluetooth: hci0: command 0x0419 tx timeout [ 86.261772] Bluetooth: hci7: command 0x0419 tx timeout 17:47:41 executing program 4: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000080)={0x2, &(0x7f0000000000)=[{0x28, 0x0, 0x0, 0xfffff020}, {0x6}]}, 0x10) 17:47:41 executing program 4: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000080)={0x2, &(0x7f0000000000)=[{0x28, 0x0, 0x0, 0xfffff020}, {0x6}]}, 0x10) 17:47:41 executing program 4: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000080)={0x2, &(0x7f0000000000)=[{0x28, 0x0, 0x0, 0xfffff020}, {0x6}]}, 0x10) 17:47:42 executing program 4: kexec_load(0x0, 0x2, &(0x7f0000002240)=[{0x0, 0x0, 0x80000000}, {0x0}], 0x0) 17:47:42 executing program 4: kexec_load(0x0, 0x2, &(0x7f0000002240)=[{0x0, 0x0, 0x80000000}, {0x0}], 0x0) 17:47:42 executing program 4: kexec_load(0x0, 0x2, &(0x7f0000002240)=[{0x0, 0x0, 0x80000000}, {0x0}], 0x0) 17:47:42 executing program 4: kexec_load(0x0, 0x2, &(0x7f0000002240)=[{0x0, 0x0, 0x80000000}, {0x0}], 0x0) [ 135.147633] audit: type=1400 audit(1663004862.643:7): avc: denied { open } for pid=3887 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 [ 135.149480] audit: type=1400 audit(1663004862.643:8): avc: denied { kernel } for pid=3887 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 [ 135.156901] ------------[ cut here ]------------ [ 135.156925] [ 135.156930] ====================================================== [ 135.156933] WARNING: possible circular locking dependency detected [ 135.156938] 6.0.0-rc5-next-20220912 #1 Not tainted [ 135.156945] ------------------------------------------------------ [ 135.156948] syz-executor.1/3891 is trying to acquire lock: [ 135.156955] ffffffff853fa878 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70 [ 135.156995] [ 135.156995] but task is already holding lock: [ 135.156998] ffff88800d316820 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 135.157028] [ 135.157028] which lock already depends on the new lock. [ 135.157028] [ 135.157031] [ 135.157031] the existing dependency chain (in reverse order) is: [ 135.157034] [ 135.157034] -> #3 (&ctx->lock){....}-{2:2}: [ 135.157048] _raw_spin_lock+0x2a/0x40 [ 135.157066] __perf_event_task_sched_out+0x53b/0x18d0 [ 135.157080] __schedule+0xedd/0x2470 [ 135.157091] schedule+0xda/0x1b0 [ 135.157101] exit_to_user_mode_prepare+0x114/0x1a0 [ 135.157124] syscall_exit_to_user_mode+0x19/0x40 [ 135.157143] do_syscall_64+0x48/0x90 [ 135.157157] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 135.157177] [ 135.157177] -> #2 (&rq->__lock){-.-.}-{2:2}: [ 135.157191] _raw_spin_lock_nested+0x30/0x40 [ 135.157206] raw_spin_rq_lock_nested+0x1e/0x30 [ 135.157222] task_fork_fair+0x63/0x4d0 [ 135.157240] sched_cgroup_fork+0x3d0/0x540 [ 135.157256] copy_process+0x3f9e/0x6df0 [ 135.157267] kernel_clone+0xe7/0x890 [ 135.157278] user_mode_thread+0xad/0xf0 [ 135.157290] rest_init+0x24/0x250 [ 135.157306] arch_call_rest_init+0xf/0x14 [ 135.157327] start_kernel+0x4c1/0x4e6 [ 135.157345] secondary_startup_64_no_verify+0xe0/0xeb [ 135.157361] [ 135.157361] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 135.157375] _raw_spin_lock_irqsave+0x39/0x60 [ 135.157391] try_to_wake_up+0xab/0x1920 [ 135.157405] up+0x75/0xb0 [ 135.157417] __up_console_sem+0x6e/0x80 [ 135.157435] console_unlock+0x46a/0x590 [ 135.157452] do_con_write+0xc05/0x1d50 [ 135.157465] con_write+0x21/0x40 [ 135.157475] n_tty_write+0x4d4/0xfe0 [ 135.157489] file_tty_write.constprop.0+0x49c/0x8f0 [ 135.157502] vfs_write+0x9c3/0xd90 [ 135.157522] ksys_write+0x127/0x250 [ 135.157540] do_syscall_64+0x3b/0x90 [ 135.157554] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 135.157572] [ 135.157572] -> #0 ((console_sem).lock){....}-{2:2}: [ 135.157585] __lock_acquire+0x2a02/0x5e70 [ 135.157603] lock_acquire+0x1a2/0x530 [ 135.157621] _raw_spin_lock_irqsave+0x39/0x60 [ 135.157636] down_trylock+0xe/0x70 [ 135.157650] __down_trylock_console_sem+0x3b/0xd0 [ 135.157668] vprintk_emit+0x16b/0x560 [ 135.157685] vprintk+0x84/0xa0 [ 135.157702] _printk+0xba/0xf1 [ 135.157721] report_bug.cold+0x72/0xab [ 135.157734] handle_bug+0x3c/0x70 [ 135.157747] exc_invalid_op+0x14/0x50 [ 135.157761] asm_exc_invalid_op+0x16/0x20 [ 135.157779] group_sched_out.part.0+0x2c7/0x460 [ 135.157791] ctx_sched_out+0x8f1/0xc10 [ 135.157801] __perf_event_task_sched_out+0x6d0/0x18d0 [ 135.157815] __schedule+0xedd/0x2470 [ 135.157825] schedule+0xda/0x1b0 [ 135.157835] exit_to_user_mode_prepare+0x114/0x1a0 [ 135.157856] syscall_exit_to_user_mode+0x19/0x40 [ 135.157874] do_syscall_64+0x48/0x90 [ 135.157888] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 135.157906] [ 135.157906] other info that might help us debug this: [ 135.157906] [ 135.157909] Chain exists of: [ 135.157909] (console_sem).lock --> &rq->__lock --> &ctx->lock [ 135.157909] [ 135.157924] Possible unsafe locking scenario: [ 135.157924] [ 135.157926] CPU0 CPU1 [ 135.157928] ---- ---- [ 135.157931] lock(&ctx->lock); [ 135.157936] lock(&rq->__lock); [ 135.157943] lock(&ctx->lock); [ 135.157949] lock((console_sem).lock); [ 135.157955] [ 135.157955] *** DEADLOCK *** [ 135.157955] [ 135.157956] 2 locks held by syz-executor.1/3891: [ 135.157963] #0: ffff88806ce37cd8 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470 [ 135.157989] #1: ffff88800d316820 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 135.158019] [ 135.158019] stack backtrace: [ 135.158022] CPU: 0 PID: 3891 Comm: syz-executor.1 Not tainted 6.0.0-rc5-next-20220912 #1 [ 135.158035] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 135.158043] Call Trace: [ 135.158046] [ 135.158051] dump_stack_lvl+0x8b/0xb3 [ 135.158066] check_noncircular+0x263/0x2e0 [ 135.158084] ? format_decode+0x26c/0xb50 [ 135.158100] ? print_circular_bug+0x450/0x450 [ 135.158119] ? enable_ptr_key_workfn+0x20/0x20 [ 135.158134] ? __lockdep_reset_lock+0x180/0x180 [ 135.158152] ? format_decode+0x26c/0xb50 [ 135.158168] ? alloc_chain_hlocks+0x1ec/0x5a0 [ 135.158187] __lock_acquire+0x2a02/0x5e70 [ 135.158210] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 135.158235] lock_acquire+0x1a2/0x530 [ 135.158253] ? down_trylock+0xe/0x70 [ 135.158268] ? rcu_read_unlock+0x40/0x40 [ 135.158287] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 135.158310] ? vprintk+0x84/0xa0 [ 135.158329] _raw_spin_lock_irqsave+0x39/0x60 [ 135.158346] ? down_trylock+0xe/0x70 [ 135.158360] down_trylock+0xe/0x70 [ 135.158374] ? vprintk+0x84/0xa0 [ 135.158393] __down_trylock_console_sem+0x3b/0xd0 [ 135.158412] vprintk_emit+0x16b/0x560 [ 135.158430] ? lock_downgrade+0x6d0/0x6d0 [ 135.158450] vprintk+0x84/0xa0 [ 135.158468] _printk+0xba/0xf1 [ 135.158487] ? record_print_text.cold+0x16/0x16 [ 135.158508] ? hrtimer_try_to_cancel+0x163/0x2c0 [ 135.158523] ? lock_downgrade+0x6d0/0x6d0 [ 135.158542] ? report_bug.cold+0x66/0xab [ 135.158557] ? group_sched_out.part.0+0x2c7/0x460 [ 135.158570] report_bug.cold+0x72/0xab [ 135.158586] handle_bug+0x3c/0x70 [ 135.158600] exc_invalid_op+0x14/0x50 [ 135.158615] asm_exc_invalid_op+0x16/0x20 [ 135.158633] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 135.158648] 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 [ 135.158660] RSP: 0018:ffff88804307fc48 EFLAGS: 00010006 [ 135.158669] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 135.158676] RDX: ffff8880413e5040 RSI: ffffffff81566027 RDI: 0000000000000005 [ 135.158685] RBP: ffff8880086605c8 R08: 0000000000000005 R09: 0000000000000001 [ 135.158692] R10: 0000000000000000 R11: 0000000000000001 R12: ffff88800d316800 [ 135.158699] R13: ffff88806ce3d100 R14: ffffffff8547bfc0 R15: 0000000000000002 [ 135.158711] ? group_sched_out.part.0+0x2c7/0x460 [ 135.158725] ? group_sched_out.part.0+0x2c7/0x460 [ 135.158739] ctx_sched_out+0x8f1/0xc10 [ 135.158753] __perf_event_task_sched_out+0x6d0/0x18d0 [ 135.158769] ? lock_is_held_type+0xd7/0x130 [ 135.158789] ? __perf_cgroup_move+0x160/0x160 [ 135.158802] ? set_next_entity+0x304/0x550 [ 135.158821] ? update_curr+0x267/0x740 [ 135.158841] ? lock_is_held_type+0xd7/0x130 [ 135.158861] __schedule+0xedd/0x2470 [ 135.158874] ? io_schedule_timeout+0x150/0x150 [ 135.158898] ? __x64_sys_futex_time32+0x480/0x480 [ 135.158913] schedule+0xda/0x1b0 [ 135.158924] exit_to_user_mode_prepare+0x114/0x1a0 [ 135.158947] syscall_exit_to_user_mode+0x19/0x40 [ 135.158966] do_syscall_64+0x48/0x90 [ 135.158981] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 135.159000] RIP: 0033:0x7fc37fb14b19 [ 135.159009] 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 [ 135.159020] RSP: 002b:00007fc37d08a218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 135.159031] RAX: 0000000000000001 RBX: 00007fc37fc27f68 RCX: 00007fc37fb14b19 [ 135.159038] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc37fc27f6c [ 135.159046] RBP: 00007fc37fc27f60 R08: 000000000000000e R09: 0000000000000000 [ 135.159053] R10: 0000000000000003 R11: 0000000000000246 R12: 00007fc37fc27f6c [ 135.159061] R13: 00007ffcd82a099f R14: 00007fc37d08a300 R15: 0000000000022000 [ 135.159074] [ 135.271417] WARNING: CPU: 0 PID: 3891 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460 [ 135.272786] Modules linked in: [ 135.273272] CPU: 0 PID: 3891 Comm: syz-executor.1 Not tainted 6.0.0-rc5-next-20220912 #1 [ 135.274464] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 135.276129] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 135.276942] 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 [ 135.279618] RSP: 0018:ffff88804307fc48 EFLAGS: 00010006 [ 135.280407] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 135.281458] RDX: ffff8880413e5040 RSI: ffffffff81566027 RDI: 0000000000000005 [ 135.282620] RBP: ffff8880086605c8 R08: 0000000000000005 R09: 0000000000000001 [ 135.283657] R10: 0000000000000000 R11: 0000000000000001 R12: ffff88800d316800 [ 135.284743] R13: ffff88806ce3d100 R14: ffffffff8547bfc0 R15: 0000000000000002 [ 135.285882] FS: 00007fc37d08a700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 135.287171] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 135.288024] CR2: 0000564436579080 CR3: 0000000042a4a000 CR4: 0000000000350ef0 [ 135.289152] Call Trace: [ 135.289614] [ 135.290009] ctx_sched_out+0x8f1/0xc10 [ 135.290668] __perf_event_task_sched_out+0x6d0/0x18d0 [ 135.291550] ? lock_is_held_type+0xd7/0x130 [ 135.292235] ? __perf_cgroup_move+0x160/0x160 [ 135.293000] ? set_next_entity+0x304/0x550 [ 135.293677] ? update_curr+0x267/0x740 [ 135.294354] ? lock_is_held_type+0xd7/0x130 [ 135.295139] __schedule+0xedd/0x2470 [ 135.295696] ? io_schedule_timeout+0x150/0x150 [ 135.296446] ? __x64_sys_futex_time32+0x480/0x480 [ 135.297239] schedule+0xda/0x1b0 [ 135.297814] exit_to_user_mode_prepare+0x114/0x1a0 [ 135.298665] syscall_exit_to_user_mode+0x19/0x40 [ 135.299496] do_syscall_64+0x48/0x90 [ 135.300104] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 135.301034] RIP: 0033:0x7fc37fb14b19 [ 135.301670] 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 [ 135.304504] RSP: 002b:00007fc37d08a218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 135.305685] RAX: 0000000000000001 RBX: 00007fc37fc27f68 RCX: 00007fc37fb14b19 [ 135.306711] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc37fc27f6c [ 135.307830] RBP: 00007fc37fc27f60 R08: 000000000000000e R09: 0000000000000000 [ 135.308866] R10: 0000000000000003 R11: 0000000000000246 R12: 00007fc37fc27f6c [ 135.309912] R13: 00007ffcd82a099f R14: 00007fc37d08a300 R15: 0000000000022000 [ 135.310962] [ 135.311309] irq event stamp: 518 [ 135.311798] hardirqs last enabled at (517): [] exit_to_user_mode_prepare+0x109/0x1a0 [ 135.313169] hardirqs last disabled at (518): [] __schedule+0x1225/0x2470 [ 135.314354] softirqs last enabled at (102): [] __irq_exit_rcu+0x11b/0x180 [ 135.315623] softirqs last disabled at (35): [] __irq_exit_rcu+0x11b/0x180 [ 135.316908] ---[ end trace 0000000000000000 ]--- 17:47:43 executing program 4: prctl$PR_SET_IO_FLUSHER(0x35, 0x1) [ 135.646838] hrtimer: interrupt took 18695 ns [ 139.339974] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 139.346286] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 139.347436] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 139.349522] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 139.351287] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 139.352376] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 139.355630] Bluetooth: hci2: HCI_REQ-0x0c1a [ 141.363873] Bluetooth: hci7: Opcode 0x c03 failed: -110 [ 141.364903] Bluetooth: hci2: command 0x0409 tx timeout [ 143.411887] Bluetooth: hci2: command 0x041b tx timeout VM DIAGNOSIS: 17:47:42 Registers: info registers vcpu 0 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff822b1dbc RDI=ffffffff8763fae0 RBP=ffffffff8763faa0 RSP=ffff88804307f640 R8 =0000000000000004 R9 =0000000000000010 R10=0000000000000010 R11=0000000000000001 R12=0000000000002710 R13=0000000000000020 R14=fffffbfff0ec7fab R15=dffffc0000000000 RIP=ffffffff822b1e11 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 00007fc37d08a700 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=0000564436579080 CR3=0000000042a4a000 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 00007fc37fbfb7c0 00007fc37fbfb7c8 YMM02=0000000000000000 0000000000000000 00007fc37fbfb7e0 00007fc37fbfb7c0 YMM03=0000000000000000 0000000000000000 00007fc37fbfb7c8 00007fc37fbfb7c0 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=ffff888009d8b938 RCX=0000000000000000 RDX=ffff88800e3f5040 RSI=ffffffff81e6da16 RDI=0000000000000001 RBP=ffff888009d8b970 RSP=ffff888018847ca8 R8 =0000000000000001 R9 =0000000000000001 R10=0000000000000001 R11=0000000000000001 R12=ffff888008716e70 R13=0000000000000001 R14=ffff888008d402a0 R15=0000000000000001 RIP=ffffffff81461747 RFL=00000282 [--S----] 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 00007ff590cae900 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=00007ff5900b0140 CR3=000000000f3fc000 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 2870c20d7243d7b2 9d413fe48e903111 YMM02=0000000000000000 0000000000000000 6b1e99b806172e3b 00000000000aea28 YMM03=0000000000000000 0000000000000000 ac8bc31478ec8511 00000000000aefa0 YMM04=0000000000000000 0000000000000000 9247cbd8ebce748d 00000000001355b8 YMM05=0000000000000000 0000000000000000 d3fdd5f48436fbd7 00000000000aead0 YMM06=0000000000000000 0000000000000000 db378e8979b58730 00000000000ae988 YMM07=0000000000000000 0000000000000000 a1fcdcf819d7e1e5 00000000000ae728 YMM08=0000000000000000 0000000000000000 44495f474f4c5359 530069253d595449 YMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM10=0000000000000000 0000000000000000 2000000000000000 2000000000000000 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