Warning: Permanently added '[localhost]:31973' (ECDSA) to the list of known hosts. 2022/09/12 16:36:52 fuzzer started 2022/09/12 16:36:53 dialing manager at localhost:38027 syzkaller login: [ 45.877858] cgroup: Unknown subsys name 'net' [ 45.971756] cgroup: Unknown subsys name 'rlimit' 2022/09/12 16:37:08 syscalls: 2215 2022/09/12 16:37:08 code coverage: enabled 2022/09/12 16:37:08 comparison tracing: enabled 2022/09/12 16:37:08 extra coverage: enabled 2022/09/12 16:37:08 setuid sandbox: enabled 2022/09/12 16:37:08 namespace sandbox: enabled 2022/09/12 16:37:08 Android sandbox: enabled 2022/09/12 16:37:08 fault injection: enabled 2022/09/12 16:37:08 leak checking: enabled 2022/09/12 16:37:08 net packet injection: enabled 2022/09/12 16:37:08 net device setup: enabled 2022/09/12 16:37:08 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/09/12 16:37:08 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/09/12 16:37:08 USB emulation: enabled 2022/09/12 16:37:08 hci packet injection: enabled 2022/09/12 16:37:08 wifi device emulation: failed to parse kernel version (6.0.0-rc5-next-20220912) 2022/09/12 16:37:08 802.15.4 emulation: enabled 2022/09/12 16:37:08 fetching corpus: 0, signal 0/2000 (executing program) 2022/09/12 16:37:08 fetching corpus: 50, signal 36349/39711 (executing program) 2022/09/12 16:37:08 fetching corpus: 100, signal 46865/51691 (executing program) 2022/09/12 16:37:08 fetching corpus: 150, signal 54992/61179 (executing program) 2022/09/12 16:37:09 fetching corpus: 200, signal 64001/71370 (executing program) 2022/09/12 16:37:09 fetching corpus: 250, signal 72141/80585 (executing program) 2022/09/12 16:37:09 fetching corpus: 300, signal 77717/87260 (executing program) 2022/09/12 16:37:09 fetching corpus: 350, signal 82446/93043 (executing program) 2022/09/12 16:37:09 fetching corpus: 400, signal 86305/97922 (executing program) 2022/09/12 16:37:09 fetching corpus: 450, signal 90922/103451 (executing program) 2022/09/12 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program) 2022/09/12 16:37:32 fetching corpus: 6992, signal 236409/246344 (executing program) 2022/09/12 16:37:34 starting 8 fuzzer processes 16:37:34 executing program 0: 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, 0x0, 0x9}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000000)={'lo\x00'}) setsockopt$inet_udp_int(r0, 0x11, 0x65, &(0x7f00000003c0)=0xfffffffd, 0x4) perf_event_open(&(0x7f0000001840)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001800), 0xd}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x3) r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000040)='net/igmp\x00') pread64(r1, &(0x7f0000000180)=""/16, 0x2f00, 0x79) ioctl$sock_inet_SIOCDARP(r1, 0x8953, &(0x7f00000011c0)={{0x2, 0x4e24, @remote}, {0x1, @link_local}, 0x4, {0x2, 0x4e21, @private=0xa010101}, 'veth0_vlan\x00'}) ioctl$SG_EMULATED_HOST(0xffffffffffffffff, 0x80081280, &(0x7f0000002340)) syz_open_procfs(0xffffffffffffffff, &(0x7f0000001180)='numa_maps\x00') getpeername(0xffffffffffffffff, &(0x7f0000000180)=@xdp, &(0x7f0000000100)=0x80) 16:37:34 executing program 3: mq_open(&(0x7f0000000040)='-\x00', 0x0, 0x0, &(0x7f0000000080)) 16:37:34 executing program 4: perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) rt_sigtimedwait(&(0x7f00000003c0)={[0x1]}, 0x0, 0x0, 0x8) 16:37:34 executing program 1: write$P9_RREADDIR(0xffffffffffffffff, &(0x7f0000000080)=ANY=[@ANYBLOB="00000000000000000000000800000000000000000000000907002e2f66696c65300003000000070000000000000000000000000000000507002e2f66696c653000000000000000000000000000b4000000000000000007"], 0x68) r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) setsockopt$inet_mreqn(r0, 0x0, 0x40, &(0x7f0000000080)={@rand_addr, @remote}, 0xc) 16:37:34 executing program 2: syz_mount_image$iso9660(0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) mkdirat(0xffffffffffffffff, 0x0, 0x0) linkat(0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0) r0 = add_key$keyring(&(0x7f0000001280), &(0x7f00000012c0)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffe) request_key(&(0x7f0000001380)='dns_resolver\x00', &(0x7f00000013c0)={'syz', 0x0}, &(0x7f0000001400)='\x00', r0) keyctl$clear(0x7, r0) 16:37:34 executing program 5: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) recvfrom(r0, 0x0, 0x0, 0x40, 0x0, 0x0) [ 87.074074] audit: type=1400 audit(1663000654.617:6): avc: denied { execmem } for pid=287 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 16:37:34 executing program 6: r0 = syz_open_procfs(0x0, &(0x7f0000000000)='ns\x00') getdents64(r0, &(0x7f00000017c0)=""/200, 0xc8) 16:37:34 executing program 7: r0 = 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={&(0x7f0000000240), 0x9}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = openat$procfs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/locks\x00', 0x0, 0x0) fcntl$setlease(r1, 0x400, 0x0) fcntl$setlease(r1, 0x400, 0x2) r2 = syz_open_procfs(0xffffffffffffffff, &(0x7f00000005c0)='net/protocols\x00') ioctl$EXT4_IOC_CHECKPOINT(0xffffffffffffffff, 0x4004662b, &(0x7f0000000340)=0x2) prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000700)={&(0x7f0000ffd000/0x1000)=nil, &(0x7f0000ffd000/0x1000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffa000/0x4000)=nil, &(0x7f0000ffe000/0x1000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffd000/0x1000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f00000006c0)}, 0x68) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'wpan1\x00', 0x0}) sendmsg$IEEE802154_LLSEC_ADD_DEV(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000008c0)=ANY=[@ANYBLOB="5e86055208c76b659d48ec2b9476260f12789c1567866fb1bb5575adc7a85afd4f3795ca060d900f96d1d928d9a7779668b6dc6fed05c17ca9d5df00cf408eacff4be721287e051772e0df31fcb79599e7ffb3d0f1b611500325e43144cbbd8865fbb3bf7a70492561507b3a2239929636d58f540bd0771e3f2dba65ffbff87477a7149dc31664ea79b107bee6c3f9834628be04faee38818df0c425334b92198efa69990e87eaf5f45573c3c53ed721e98de5ae2422fc5b543b10c83fe27a34862fc841b53cf14fe96f4f734c453aa8f9e3ffe2330566bb0bbf2e9db91125c6eda10003e41f32", @ANYRES16, @ANYBLOB="010600000000000000002a00000008002f0000000000080002001d9a84996501e4316a9309942f8f2c244631aa4f47a03ab053020173b855c9707c43bb0feb19", @ANYRES32=r3, @ANYBLOB], 0x24}}, 0x0) recvmsg$unix(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000500)=[{&(0x7f0000000380)=""/90, 0x5a}, {&(0x7f0000000400)=""/208, 0xd0}], 0x2, &(0x7f0000000540)=[@cred={{0x1c}}, @cred={{0x1c}}], 0x40}, 0x3) read$hiddev(0xffffffffffffffff, &(0x7f0000002b80)=""/251, 0xfb) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(r2, 0xc018937d, &(0x7f0000000140)={{0x1, 0x1, 0x18, r0, {0x1}}, './file1\x00'}) syz_io_uring_setup(0x5081, &(0x7f0000000180)={0x0, 0x6594, 0x1, 0x2, 0x2ce, 0x0, r4}, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000200), &(0x7f00000006c0)) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) openat(0xffffffffffffff9c, 0x0, 0x101042, 0x0) sendmsg$IEEE802154_ADD_IFACE(0xffffffffffffffff, &(0x7f0000000680)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000640)={&(0x7f0000000600)={0x34, 0x0, 0x2, 0x70bd29, 0x25dfdbfc, {}, [@IEEE802154_ATTR_HW_ADDR={0xc}, @IEEE802154_ATTR_PHY_NAME={0x9, 0x1f, 'phy2\x00'}, @IEEE802154_ATTR_DEV_TYPE={0x5}]}, 0x34}, 0x1, 0x0, 0x0, 0x1}, 0x8800) [ 88.394945] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 88.396991] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 88.397970] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 88.399151] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 88.402260] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 88.423106] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 88.456446] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 88.457287] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 88.458983] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 88.459840] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 88.461290] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 88.462927] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 88.463222] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 88.463627] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 88.465119] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 88.465543] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 88.466286] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 88.466500] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 88.467952] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 88.468860] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 88.469320] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 88.472171] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 88.472753] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 88.473418] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 88.474573] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 88.474580] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 88.474774] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 88.475502] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 88.477463] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 88.479051] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 88.479241] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 88.480377] Bluetooth: hci1: HCI_REQ-0x0c1a [ 88.483695] Bluetooth: hci0: HCI_REQ-0x0c1a [ 88.484993] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 88.486133] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 88.486941] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 88.489010] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 88.490078] Bluetooth: hci6: HCI_REQ-0x0c1a [ 88.491499] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 88.497603] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 88.502204] Bluetooth: hci4: HCI_REQ-0x0c1a [ 88.505520] Bluetooth: hci2: HCI_REQ-0x0c1a [ 88.515416] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 88.515588] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 88.516521] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 88.521073] Bluetooth: hci3: HCI_REQ-0x0c1a [ 88.534017] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 88.536491] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 88.538120] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 88.540355] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 88.541366] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 88.542652] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 88.547264] Bluetooth: hci7: HCI_REQ-0x0c1a [ 88.548562] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 88.551091] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 88.557837] Bluetooth: hci5: HCI_REQ-0x0c1a [ 90.514524] Bluetooth: hci0: command 0x0409 tx timeout [ 90.514524] Bluetooth: hci4: command 0x0409 tx timeout [ 90.514839] Bluetooth: hci6: command 0x0409 tx timeout [ 90.515477] Bluetooth: hci1: command 0x0409 tx timeout [ 90.579040] Bluetooth: hci5: command 0x0409 tx timeout [ 90.580047] Bluetooth: hci7: command 0x0409 tx timeout [ 90.580614] Bluetooth: hci2: command 0x0409 tx timeout [ 90.581341] Bluetooth: hci3: command 0x0409 tx timeout [ 92.562946] Bluetooth: hci1: command 0x041b tx timeout [ 92.564514] Bluetooth: hci6: command 0x041b tx timeout [ 92.565820] Bluetooth: hci0: command 0x041b tx timeout [ 92.567884] Bluetooth: hci4: command 0x041b tx timeout [ 92.625919] Bluetooth: hci3: command 0x041b tx timeout [ 92.627562] Bluetooth: hci2: command 0x041b tx timeout [ 92.629704] Bluetooth: hci7: command 0x041b tx timeout [ 92.631432] Bluetooth: hci5: command 0x041b tx timeout [ 94.610897] Bluetooth: hci4: command 0x040f tx timeout [ 94.611758] Bluetooth: hci0: command 0x040f tx timeout [ 94.612324] Bluetooth: hci6: command 0x040f tx timeout [ 94.613382] Bluetooth: hci1: command 0x040f tx timeout [ 94.673947] Bluetooth: hci5: command 0x040f tx timeout [ 94.674618] Bluetooth: hci7: command 0x040f tx timeout [ 94.675426] Bluetooth: hci2: command 0x040f tx timeout [ 94.676012] Bluetooth: hci3: command 0x040f tx timeout [ 96.658817] Bluetooth: hci1: command 0x0419 tx timeout [ 96.659406] Bluetooth: hci6: command 0x0419 tx timeout [ 96.660690] Bluetooth: hci0: command 0x0419 tx timeout [ 96.661250] Bluetooth: hci4: command 0x0419 tx timeout [ 96.721903] Bluetooth: hci3: command 0x0419 tx timeout [ 96.722629] Bluetooth: hci2: command 0x0419 tx timeout [ 96.723159] Bluetooth: hci7: command 0x0419 tx timeout [ 96.723650] Bluetooth: hci5: command 0x0419 tx timeout 16:38:31 executing program 5: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) recvfrom(r0, 0x0, 0x0, 0x40, 0x0, 0x0) 16:38:31 executing program 5: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) recvfrom(r0, 0x0, 0x0, 0x40, 0x0, 0x0) 16:38:31 executing program 5: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) recvfrom(r0, 0x0, 0x0, 0x40, 0x0, 0x0) 16:38:31 executing program 5: r0 = syz_open_procfs$namespace(0x0, &(0x7f0000000080)='ns/cgroup\x00') setns(r0, 0x0) 16:38:31 executing program 5: r0 = syz_open_procfs$namespace(0x0, &(0x7f0000000080)='ns/cgroup\x00') setns(r0, 0x0) 16:38:31 executing program 5: r0 = syz_open_procfs$namespace(0x0, &(0x7f0000000080)='ns/cgroup\x00') setns(r0, 0x0) 16:38:31 executing program 5: r0 = syz_open_procfs$namespace(0x0, &(0x7f0000000080)='ns/cgroup\x00') setns(r0, 0x0) 16:38:31 executing program 5: perf_event_open(&(0x7f00000000c0)={0x6, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) [ 144.507840] audit: type=1400 audit(1663000712.052:7): avc: denied { open } for pid=3724 comm="syz-executor.5" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 144.509272] audit: type=1400 audit(1663000712.053:8): avc: denied { kernel } for pid=3724 comm="syz-executor.5" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 145.148254] ------------[ cut here ]------------ [ 145.148278] [ 145.148281] ====================================================== [ 145.148285] WARNING: possible circular locking dependency detected [ 145.148290] 6.0.0-rc5-next-20220912 #1 Not tainted [ 145.148297] ------------------------------------------------------ [ 145.148300] syz-executor.0/3766 is trying to acquire lock: [ 145.148308] ffffffff853fa878 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70 [ 145.148347] [ 145.148347] but task is already holding lock: [ 145.148349] ffff88800e277420 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 145.148378] [ 145.148378] which lock already depends on the new lock. [ 145.148378] [ 145.148381] [ 145.148381] the existing dependency chain (in reverse order) is: [ 145.148384] [ 145.148384] -> #3 (&ctx->lock){....}-{2:2}: [ 145.148398] _raw_spin_lock+0x2a/0x40 [ 145.148415] __perf_event_task_sched_out+0x53b/0x18d0 [ 145.148427] __schedule+0xedd/0x2470 [ 145.148437] schedule+0xda/0x1b0 [ 145.148446] exit_to_user_mode_prepare+0x114/0x1a0 [ 145.148468] syscall_exit_to_user_mode+0x19/0x40 [ 145.148486] do_syscall_64+0x48/0x90 [ 145.148499] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 145.148517] [ 145.148517] -> #2 (&rq->__lock){-.-.}-{2:2}: [ 145.148531] _raw_spin_lock_nested+0x30/0x40 [ 145.148545] raw_spin_rq_lock_nested+0x1e/0x30 [ 145.148559] task_fork_fair+0x63/0x4d0 [ 145.148577] sched_cgroup_fork+0x3d0/0x540 [ 145.148591] copy_process+0x3f9e/0x6df0 [ 145.148602] kernel_clone+0xe7/0x890 [ 145.148611] user_mode_thread+0xad/0xf0 [ 145.148622] rest_init+0x24/0x250 [ 145.148638] arch_call_rest_init+0xf/0x14 [ 145.148658] start_kernel+0x4c1/0x4e6 [ 145.148675] secondary_startup_64_no_verify+0xe0/0xeb [ 145.148689] [ 145.148689] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 145.148703] _raw_spin_lock_irqsave+0x39/0x60 [ 145.148721] try_to_wake_up+0xab/0x1920 [ 145.148734] up+0x75/0xb0 [ 145.148746] __up_console_sem+0x6e/0x80 [ 145.148762] console_unlock+0x46a/0x590 [ 145.148778] do_con_write+0xc05/0x1d50 [ 145.148790] con_write+0x21/0x40 [ 145.148799] n_tty_write+0x4d4/0xfe0 [ 145.148813] file_tty_write.constprop.0+0x49c/0x8f0 [ 145.148825] vfs_write+0x9c3/0xd90 [ 145.148844] ksys_write+0x127/0x250 [ 145.148861] do_syscall_64+0x3b/0x90 [ 145.148873] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 145.148890] [ 145.148890] -> #0 ((console_sem).lock){....}-{2:2}: [ 145.148904] __lock_acquire+0x2a02/0x5e70 [ 145.148921] lock_acquire+0x1a2/0x530 [ 145.148937] _raw_spin_lock_irqsave+0x39/0x60 [ 145.148952] down_trylock+0xe/0x70 [ 145.148964] __down_trylock_console_sem+0x3b/0xd0 [ 145.148981] vprintk_emit+0x16b/0x560 [ 145.148997] vprintk+0x84/0xa0 [ 145.149014] _printk+0xba/0xf1 [ 145.149032] report_bug.cold+0x72/0xab [ 145.149044] handle_bug+0x3c/0x70 [ 145.149056] exc_invalid_op+0x14/0x50 [ 145.149069] asm_exc_invalid_op+0x16/0x20 [ 145.149086] group_sched_out.part.0+0x2c7/0x460 [ 145.149096] ctx_sched_out+0x8f1/0xc10 [ 145.149106] __perf_event_task_sched_out+0x6d0/0x18d0 [ 145.149118] __schedule+0xedd/0x2470 [ 145.149127] schedule+0xda/0x1b0 [ 145.149136] exit_to_user_mode_prepare+0x114/0x1a0 [ 145.149156] syscall_exit_to_user_mode+0x19/0x40 [ 145.149172] do_syscall_64+0x48/0x90 [ 145.149185] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 145.149202] [ 145.149202] other info that might help us debug this: [ 145.149202] [ 145.149205] Chain exists of: [ 145.149205] (console_sem).lock --> &rq->__lock --> &ctx->lock [ 145.149205] [ 145.149220] Possible unsafe locking scenario: [ 145.149220] [ 145.149222] CPU0 CPU1 [ 145.149224] ---- ---- [ 145.149226] lock(&ctx->lock); [ 145.149232] lock(&rq->__lock); [ 145.149239] lock(&ctx->lock); [ 145.149245] lock((console_sem).lock); [ 145.149250] [ 145.149250] *** DEADLOCK *** [ 145.149250] [ 145.149252] 2 locks held by syz-executor.0/3766: [ 145.149259] #0: ffff88806cf37cd8 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470 [ 145.149285] #1: ffff88800e277420 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 145.149312] [ 145.149312] stack backtrace: [ 145.149315] CPU: 1 PID: 3766 Comm: syz-executor.0 Not tainted 6.0.0-rc5-next-20220912 #1 [ 145.149328] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 145.149336] Call Trace: [ 145.149340] [ 145.149344] dump_stack_lvl+0x8b/0xb3 [ 145.149358] check_noncircular+0x263/0x2e0 [ 145.149375] ? format_decode+0x26c/0xb50 [ 145.149390] ? print_circular_bug+0x450/0x450 [ 145.149408] ? enable_ptr_key_workfn+0x20/0x20 [ 145.149423] ? format_decode+0x26c/0xb50 [ 145.149438] ? alloc_chain_hlocks+0x1ec/0x5a0 [ 145.149456] __lock_acquire+0x2a02/0x5e70 [ 145.149478] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 145.149500] lock_acquire+0x1a2/0x530 [ 145.149517] ? down_trylock+0xe/0x70 [ 145.149532] ? rcu_read_unlock+0x40/0x40 [ 145.149553] ? vprintk+0x84/0xa0 [ 145.149572] _raw_spin_lock_irqsave+0x39/0x60 [ 145.149587] ? down_trylock+0xe/0x70 [ 145.149601] down_trylock+0xe/0x70 [ 145.149614] ? vprintk+0x84/0xa0 [ 145.149631] __down_trylock_console_sem+0x3b/0xd0 [ 145.149649] vprintk_emit+0x16b/0x560 [ 145.149669] vprintk+0x84/0xa0 [ 145.149686] _printk+0xba/0xf1 [ 145.149704] ? record_print_text.cold+0x16/0x16 [ 145.149726] ? report_bug.cold+0x66/0xab [ 145.149740] ? group_sched_out.part.0+0x2c7/0x460 [ 145.149752] report_bug.cold+0x72/0xab [ 145.149766] handle_bug+0x3c/0x70 [ 145.149780] exc_invalid_op+0x14/0x50 [ 145.149794] asm_exc_invalid_op+0x16/0x20 [ 145.149811] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 145.149825] 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 [ 145.149836] RSP: 0018:ffff88801d8afc48 EFLAGS: 00010006 [ 145.149845] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 145.149853] RDX: ffff888042091ac0 RSI: ffffffff81566027 RDI: 0000000000000005 [ 145.149861] RBP: ffff8880423d8000 R08: 0000000000000005 R09: 0000000000000001 [ 145.149868] R10: 0000000000000000 R11: ffffffff865aa05b R12: ffff88800e277400 [ 145.149876] R13: ffff88806cf3d100 R14: ffffffff8547c660 R15: 0000000000000002 [ 145.149887] ? group_sched_out.part.0+0x2c7/0x460 [ 145.149900] ? group_sched_out.part.0+0x2c7/0x460 [ 145.149913] ctx_sched_out+0x8f1/0xc10 [ 145.149926] __perf_event_task_sched_out+0x6d0/0x18d0 [ 145.149941] ? lock_is_held_type+0xd7/0x130 [ 145.149960] ? __perf_cgroup_move+0x160/0x160 [ 145.149972] ? set_next_entity+0x304/0x550 [ 145.149990] ? update_curr+0x267/0x740 [ 145.150008] ? lock_is_held_type+0xd7/0x130 [ 145.150027] __schedule+0xedd/0x2470 [ 145.150040] ? io_schedule_timeout+0x150/0x150 [ 145.150052] ? rcu_read_lock_sched_held+0x3e/0x80 [ 145.150073] schedule+0xda/0x1b0 [ 145.150084] exit_to_user_mode_prepare+0x114/0x1a0 [ 145.150105] syscall_exit_to_user_mode+0x19/0x40 [ 145.150123] do_syscall_64+0x48/0x90 [ 145.150137] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 145.150154] RIP: 0033:0x7f778e5a1b19 [ 145.150163] 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 [ 145.150174] RSP: 002b:00007f778bb17218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 145.150185] RAX: 0000000000000001 RBX: 00007f778e6b4f68 RCX: 00007f778e5a1b19 [ 145.150192] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f778e6b4f6c [ 145.150200] RBP: 00007f778e6b4f60 R08: 000000000000000e R09: 0000000000000000 [ 145.150207] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f778e6b4f6c [ 145.150214] R13: 00007ffe6452646f R14: 00007f778bb17300 R15: 0000000000022000 [ 145.150227] [ 145.206777] WARNING: CPU: 1 PID: 3766 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460 [ 145.207464] Modules linked in: [ 145.207702] CPU: 1 PID: 3766 Comm: syz-executor.0 Not tainted 6.0.0-rc5-next-20220912 #1 [ 145.208286] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 145.209194] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 145.209607] 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 [ 145.211091] RSP: 0018:ffff88801d8afc48 EFLAGS: 00010006 [ 145.211489] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 145.212088] RDX: ffff888042091ac0 RSI: ffffffff81566027 RDI: 0000000000000005 [ 145.212621] RBP: ffff8880423d8000 R08: 0000000000000005 R09: 0000000000000001 [ 145.213138] R10: 0000000000000000 R11: ffffffff865aa05b R12: ffff88800e277400 [ 145.213652] R13: ffff88806cf3d100 R14: ffffffff8547c660 R15: 0000000000000002 [ 145.214267] FS: 00007f778bb17700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 145.214855] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 145.215369] CR2: 00007f4c8ad09710 CR3: 000000001040c000 CR4: 0000000000350ee0 [ 145.215891] Call Trace: [ 145.216084] [ 145.216256] ctx_sched_out+0x8f1/0xc10 [ 145.216544] __perf_event_task_sched_out+0x6d0/0x18d0 [ 145.216931] ? lock_is_held_type+0xd7/0x130 [ 145.217258] ? __perf_cgroup_move+0x160/0x160 [ 145.217596] ? set_next_entity+0x304/0x550 [ 145.217933] ? update_curr+0x267/0x740 [ 145.218305] ? lock_is_held_type+0xd7/0x130 [ 145.218634] __schedule+0xedd/0x2470 [ 145.218918] ? io_schedule_timeout+0x150/0x150 [ 145.219272] ? rcu_read_lock_sched_held+0x3e/0x80 [ 145.219678] schedule+0xda/0x1b0 [ 145.219998] exit_to_user_mode_prepare+0x114/0x1a0 [ 145.220371] syscall_exit_to_user_mode+0x19/0x40 [ 145.220787] do_syscall_64+0x48/0x90 [ 145.221104] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 145.221534] RIP: 0033:0x7f778e5a1b19 [ 145.221842] 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 [ 145.223238] RSP: 002b:00007f778bb17218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 145.223877] RAX: 0000000000000001 RBX: 00007f778e6b4f68 RCX: 00007f778e5a1b19 [ 145.224396] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f778e6b4f6c [ 145.224914] RBP: 00007f778e6b4f60 R08: 000000000000000e R09: 0000000000000000 [ 145.225468] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f778e6b4f6c [ 145.226032] R13: 00007ffe6452646f R14: 00007f778bb17300 R15: 0000000000022000 [ 145.226560] [ 145.226771] irq event stamp: 648 [ 145.227089] hardirqs last enabled at (647): [] exit_to_user_mode_prepare+0x109/0x1a0 [ 145.227809] hardirqs last disabled at (648): [] __schedule+0x1225/0x2470 [ 145.228459] softirqs last enabled at (422): [] __irq_exit_rcu+0x11b/0x180 [ 145.229080] softirqs last disabled at (339): [] __irq_exit_rcu+0x11b/0x180 [ 145.229800] ---[ end trace 0000000000000000 ]--- [ 146.655730] hrtimer: interrupt took 19176 ns [ 151.761868] Bluetooth: hci3: Opcode 0x c03 failed: -110 [ 151.825749] Bluetooth: hci4: Opcode 0x c03 failed: -110 [ 151.826631] Bluetooth: hci5: Opcode 0x c03 failed: -110 VM DIAGNOSIS: 16:38:33 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=0000000000000001 RCX=ffffffff8425f1a7 RDX=ffff7fffffffffff RSI=0000000000000004 RDI=ffff88806cf37cc0 RBP=1ffff1100d9e6f98 RSP=ffff88800f8bf848 R8 =0000000000000000 R9 =ffff88806cf37cc3 R10=ffff88806cf37cc3 R11=0000000000000001 R12=0000000000000003 R13=ffffed100d9e6f98 R14=0000000000000001 R15=1ffff11001f17f0e RIP=ffffffff81787dfe RFL=00000012 [----A--] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff88806ce00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fb2b6e1d368 CR3=00000000177bc000 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 0000ff0000000000 0000000000ff0000 YMM02=0000000000000000 0000000000000000 000000000000ff00 0000000000000000 YMM03=0000000000000000 0000000000000000 0000000000000000 000000ff00000000 YMM04=0000000000000000 0000000000000000 ff00000000000000 ff00000000000000 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 info registers vcpu 1 RAX=0000000000000065 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff822b1e41 RDI=ffffffff8763fae0 RBP=ffffffff8763faa0 RSP=ffff88801d8af698 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000065 R11=0000000000000001 R12=0000000000000065 R13=ffffffff8763faa0 R14=0000000000000010 R15=ffffffff822b1e30 RIP=ffffffff822b1e99 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 00007f778bb17700 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=00007f4c8ad09710 CR3=000000001040c000 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 00007f778e6887c0 00007f778e6887c8 YMM02=0000000000000000 0000000000000000 00007f778e6887e0 00007f778e6887c0 YMM03=0000000000000000 0000000000000000 00007f778e6887c8 00007f778e6887c0 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