Warning: Permanently added '[localhost]:61446' (ECDSA) to the list of known hosts. 2022/09/13 15:10:57 fuzzer started 2022/09/13 15:10:58 dialing manager at localhost:36597 syzkaller login: [ 43.876677] cgroup: Unknown subsys name 'net' [ 43.955017] cgroup: Unknown subsys name 'rlimit' 2022/09/13 15:11:14 syscalls: 2215 2022/09/13 15:11:14 code coverage: enabled 2022/09/13 15:11:14 comparison tracing: enabled 2022/09/13 15:11:14 extra coverage: enabled 2022/09/13 15:11:14 setuid sandbox: enabled 2022/09/13 15:11:14 namespace sandbox: enabled 2022/09/13 15:11:14 Android sandbox: enabled 2022/09/13 15:11:14 fault injection: enabled 2022/09/13 15:11:14 leak checking: enabled 2022/09/13 15:11:14 net packet injection: enabled 2022/09/13 15:11:14 net device setup: enabled 2022/09/13 15:11:14 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/09/13 15:11:14 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/09/13 15:11:14 USB emulation: enabled 2022/09/13 15:11:14 hci packet injection: enabled 2022/09/13 15:11:14 wifi device emulation: failed to parse kernel version (6.0.0-rc5-next-20220913) 2022/09/13 15:11:14 802.15.4 emulation: enabled 2022/09/13 15:11:14 fetching corpus: 0, signal 0/2000 (executing program) 2022/09/13 15:11:14 fetching corpus: 50, signal 31258/34720 (executing program) 2022/09/13 15:11:14 fetching corpus: 100, signal 47516/52297 (executing program) 2022/09/13 15:11:14 fetching corpus: 150, signal 57881/63853 (executing program) 2022/09/13 15:11:14 fetching corpus: 200, signal 65428/72582 (executing program) 2022/09/13 15:11:14 fetching corpus: 250, signal 73063/81260 (executing program) 2022/09/13 15:11:15 fetching corpus: 300, signal 79549/88742 (executing program) 2022/09/13 15:11:15 fetching corpus: 350, signal 84299/94499 (executing program) 2022/09/13 15:11:15 fetching corpus: 400, signal 87107/98351 (executing program) 2022/09/13 15:11:15 fetching corpus: 450, signal 92271/104300 (executing program) 2022/09/13 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program) 2022/09/13 15:11:20 fetching corpus: 2300, signal 164892/192362 (executing program) 2022/09/13 15:11:20 fetching corpus: 2350, signal 166098/193643 (executing program) 2022/09/13 15:11:20 fetching corpus: 2400, signal 167165/194782 (executing program) 2022/09/13 15:11:20 fetching corpus: 2450, signal 168081/195854 (executing program) 2022/09/13 15:11:20 fetching corpus: 2500, signal 169118/196963 (executing program) 2022/09/13 15:11:21 fetching corpus: 2550, signal 170484/198246 (executing program) 2022/09/13 15:11:21 fetching corpus: 2600, signal 171816/199545 (executing program) 2022/09/13 15:11:21 fetching corpus: 2650, signal 173217/200804 (executing program) 2022/09/13 15:11:21 fetching corpus: 2700, signal 174248/201874 (executing program) 2022/09/13 15:11:21 fetching corpus: 2750, signal 175061/202787 (executing program) 2022/09/13 15:11:21 fetching corpus: 2800, signal 176178/203877 (executing program) 2022/09/13 15:11:21 fetching corpus: 2850, signal 177854/205188 (executing program) 2022/09/13 15:11:22 fetching corpus: 2900, signal 178761/206140 (executing program) 2022/09/13 15:11:22 fetching corpus: 2950, signal 180006/207205 (executing program) 2022/09/13 15:11:22 fetching corpus: 3000, signal 181124/208147 (executing program) 2022/09/13 15:11:22 fetching corpus: 3050, signal 181984/208989 (executing program) 2022/09/13 15:11:22 fetching corpus: 3100, signal 182825/209813 (executing program) 2022/09/13 15:11:22 fetching corpus: 3150, signal 184061/210842 (executing program) 2022/09/13 15:11:22 fetching corpus: 3200, signal 185257/211785 (executing program) 2022/09/13 15:11:22 fetching corpus: 3250, signal 186238/212589 (executing program) 2022/09/13 15:11:23 fetching corpus: 3300, signal 186928/213295 (executing program) 2022/09/13 15:11:23 fetching corpus: 3350, signal 187991/214112 (executing program) 2022/09/13 15:11:23 fetching corpus: 3400, signal 188731/214768 (executing program) 2022/09/13 15:11:23 fetching corpus: 3450, signal 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corpus: 4650, signal 212505/228925 (executing program) 2022/09/13 15:11:27 fetching corpus: 4700, signal 213157/229209 (executing program) 2022/09/13 15:11:27 fetching corpus: 4750, signal 213925/229517 (executing program) 2022/09/13 15:11:27 fetching corpus: 4800, signal 214697/229781 (executing program) 2022/09/13 15:11:27 fetching corpus: 4850, signal 215376/230044 (executing program) 2022/09/13 15:11:27 fetching corpus: 4900, signal 216060/230279 (executing program) 2022/09/13 15:11:27 fetching corpus: 4950, signal 216594/230539 (executing program) 2022/09/13 15:11:28 fetching corpus: 5000, signal 217134/230733 (executing program) 2022/09/13 15:11:28 fetching corpus: 5050, signal 217771/230941 (executing program) 2022/09/13 15:11:28 fetching corpus: 5100, signal 218363/231127 (executing program) 2022/09/13 15:11:28 fetching corpus: 5150, signal 219141/231326 (executing program) 2022/09/13 15:11:28 fetching corpus: 5200, signal 219743/231489 (executing program) 2022/09/13 15:11:28 fetching corpus: 5250, signal 220340/231782 (executing program) 2022/09/13 15:11:29 fetching corpus: 5300, signal 220812/231957 (executing program) 2022/09/13 15:11:29 fetching corpus: 5350, signal 221253/232109 (executing program) 2022/09/13 15:11:29 fetching corpus: 5400, signal 221871/232241 (executing program) 2022/09/13 15:11:29 fetching corpus: 5450, signal 222239/232352 (executing program) 2022/09/13 15:11:29 fetching corpus: 5500, signal 223080/232461 (executing program) 2022/09/13 15:11:29 fetching corpus: 5550, signal 223527/232619 (executing program) 2022/09/13 15:11:29 fetching corpus: 5600, signal 224222/232708 (executing program) 2022/09/13 15:11:29 fetching corpus: 5607, signal 224283/232713 (executing program) 2022/09/13 15:11:29 fetching corpus: 5607, signal 224283/232713 (executing program) 2022/09/13 15:11:32 starting 8 fuzzer processes 15:11:32 executing program 0: perf_event_open(&(0x7f0000000080)={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={0x4}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) 15:11:32 executing program 1: syz_mount_image$tmpfs(&(0x7f0000001c40), &(0x7f0000001c80)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='huge=']) 15:11:32 executing program 2: r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000002480)='fd/3\x00') r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x101042, 0x0) r2 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000002480)='fd/3\x00') r3 = socket$inet_udp(0x2, 0x2, 0x0) connect(r3, &(0x7f0000000000)=@nl=@unspec, 0x80) pwritev(r2, &(0x7f00000007c0)=[{&(0x7f0000000140)="23fcc8ea3e434e7e938b5362ac0ab8493cc4861db3cab77f43c19b96ef4e3748fda88a31501ba1aef5d007ecd44d98e2b854302c772d11a1", 0x38}, {0x0}, {&(0x7f0000000440)}], 0x3, 0xf01, 0x0) r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000002480)='fd/3\x00') r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000002480)='fd/3\x00') lseek(r5, 0x0, 0x1) preadv(r5, &(0x7f00000005c0)=[{&(0x7f0000000080)=""/114, 0x72}, {&(0x7f0000000180)=""/138, 0x8a}, {&(0x7f0000000240)=""/4, 0x4}, {0x0}, {&(0x7f0000000540)=""/125, 0x7d}], 0x5, 0x1, 0x3) sendfile(r1, r4, 0x0, 0x409afb) sendfile(r4, r0, 0x0, 0x409afb) [ 78.014965] audit: type=1400 audit(1663081892.418:6): 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 15:11:32 executing program 3: r0 = semget$private(0x0, 0x2, 0x0) semtimedop(r0, &(0x7f0000000280)=[{0x0, 0xfff9}], 0x1, 0x0) semop(r0, &(0x7f0000000040)=[{0x0, 0x20}, {}], 0x2) semctl$IPC_RMID(r0, 0x0, 0x0) 15:11:32 executing program 4: r0 = perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc2, 0x0, 0x0, 0x1, 0x0, 0x0, 0x120, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x200000, 0x1, @perf_config_ext, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff}, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0x2) r1 = 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, 0x0, 0x0, 0x0, 0x0, 0x101, 0x100}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = signalfd4(r0, &(0x7f0000000040)={[0x3]}, 0x8, 0x80000) clone3(&(0x7f0000000640)={0x123363500, &(0x7f00000000c0), 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x58) syz_open_dev$tty20(0xc, 0x4, 0x0) gettid() r3 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x2, 0x32261, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x101042, 0x48) fcntl$dupfd(r3, 0x0, r4) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x7, 0x50, r4, 0x8000000) write(r4, &(0x7f0000000080)="01", 0x41030) ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(r4, 0xc0189374, &(0x7f0000000140)={{0x1, 0x1, 0x18, r1, {0x4}}, './file1\x00'}) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x7, 0x50, 0xffffffffffffffff, 0x8000000) write(0xffffffffffffffff, &(0x7f0000000080)="01", 0x41030) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x1000004, 0x10, 0xffffffffffffffff, 0x8000000) gettid() ioctl$TCSETSF2(r2, 0x402c542d, &(0x7f0000000000)={0x101, 0x3c19, 0x7fff, 0x20a, 0xf4, "7d661cc89ab26baf775776d6ac75792bbccad9", 0x2, 0x4}) socket$packet(0x11, 0x2, 0x300) openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x101042, 0x0) 15:11:32 executing program 5: syz_emit_vhci(&(0x7f00000004c0)=@HCI_EVENT_PKT={0x4, @hci_ev_pkt_type_change={{0x1d, 0x5}, {0x0, 0xc9}}}, 0x8) 15:11:32 executing program 6: seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000100)=[{0x6, 0x0, 0x0, 0x7fff0000}]}) getresuid(&(0x7f0000002240), &(0x7f0000002280), &(0x7f00000022c0)) 15:11:32 executing program 7: io_cancel(0x0, &(0x7f0000000d40)={0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0}, 0x0) [ 79.200094] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 79.203216] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 79.205187] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 79.208693] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 79.212181] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 79.214608] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 79.221103] Bluetooth: hci0: HCI_REQ-0x0c1a [ 79.248901] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 79.250808] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 79.252444] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 79.254900] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 79.256655] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 79.258036] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 79.262585] Bluetooth: hci1: HCI_REQ-0x0c1a [ 79.335231] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 79.337583] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 79.339397] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 79.341891] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 79.343879] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 79.345288] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 79.349941] Bluetooth: hci4: HCI_REQ-0x0c1a [ 79.418486] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 79.420443] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 79.422238] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 79.432639] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 79.436848] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 79.439691] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 79.442039] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 79.443906] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 79.446791] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 79.447248] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 79.452153] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 79.452774] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 79.455500] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 79.455610] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 79.459602] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 79.462885] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 79.464440] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 79.473428] Bluetooth: hci5: HCI_REQ-0x0c1a [ 79.480969] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 79.493666] Bluetooth: hci3: HCI_REQ-0x0c1a [ 79.523417] Bluetooth: hci6: HCI_REQ-0x0c1a [ 81.289001] Bluetooth: hci1: command 0x0409 tx timeout [ 81.289940] Bluetooth: hci0: command 0x0409 tx timeout [ 81.352497] Bluetooth: hci4: command 0x0409 tx timeout [ 81.353261] Bluetooth: hci7: Opcode 0x c03 failed: -110 [ 81.354492] Bluetooth: hci2: Opcode 0x c03 failed: -110 [ 81.544399] Bluetooth: hci5: command 0x0409 tx timeout [ 81.544418] Bluetooth: hci6: command 0x0409 tx timeout [ 81.545526] Bluetooth: hci3: command 0x0409 tx timeout [ 83.337419] Bluetooth: hci0: command 0x041b tx timeout [ 83.337951] Bluetooth: hci1: command 0x041b tx timeout [ 83.401391] Bluetooth: hci4: command 0x041b tx timeout [ 83.593398] Bluetooth: hci3: command 0x041b tx timeout [ 83.593917] Bluetooth: hci6: command 0x041b tx timeout [ 83.594366] Bluetooth: hci5: command 0x041b tx timeout [ 84.238645] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 84.240624] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 84.241934] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 84.251472] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 84.253931] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 84.254693] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 84.259506] Bluetooth: hci2: HCI_REQ-0x0c1a [ 85.385406] Bluetooth: hci1: command 0x040f tx timeout [ 85.385989] Bluetooth: hci0: command 0x040f tx timeout [ 85.448414] Bluetooth: hci4: command 0x040f tx timeout [ 85.641376] Bluetooth: hci5: command 0x040f tx timeout [ 85.641922] Bluetooth: hci6: command 0x040f tx timeout [ 85.642896] Bluetooth: hci3: command 0x040f tx timeout [ 86.280528] Bluetooth: hci2: command 0x0409 tx timeout [ 86.728487] Bluetooth: hci7: Opcode 0x c03 failed: -110 [ 87.432426] Bluetooth: hci0: command 0x0419 tx timeout [ 87.433285] Bluetooth: hci1: command 0x0419 tx timeout [ 87.496397] Bluetooth: hci4: command 0x0419 tx timeout [ 87.688414] Bluetooth: hci3: command 0x0419 tx timeout [ 87.689250] Bluetooth: hci6: command 0x0419 tx timeout [ 87.690227] Bluetooth: hci5: command 0x0419 tx timeout [ 88.328485] Bluetooth: hci2: command 0x041b tx timeout [ 90.376379] Bluetooth: hci2: command 0x040f tx timeout [ 91.721376] Bluetooth: hci7: Opcode 0x c03 failed: -110 [ 92.425345] Bluetooth: hci2: command 0x0419 tx timeout [ 96.456407] Bluetooth: hci7: Opcode 0x c03 failed: -110 [ 101.256381] Bluetooth: hci7: Opcode 0x c03 failed: -110 [ 105.801367] Bluetooth: hci7: Opcode 0x c03 failed: -110 [ 110.665380] Bluetooth: hci7: Opcode 0x c03 failed: -110 [ 115.337388] Bluetooth: hci7: Opcode 0x c03 failed: -110 [ 118.208043] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 118.210121] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 118.214141] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 118.230253] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 118.233274] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 118.234953] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 118.286392] Bluetooth: hci7: HCI_REQ-0x0c1a [ 120.329410] Bluetooth: hci7: command 0x0409 tx timeout [ 122.376459] Bluetooth: hci7: command 0x041b tx timeout [ 124.425385] Bluetooth: hci7: command 0x040f tx timeout [ 126.472476] Bluetooth: hci7: command 0x0419 tx timeout [ 132.801677] audit: type=1400 audit(1663081947.204:7): avc: denied { open } for pid=3418 comm="syz-executor.4" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 132.803224] audit: type=1400 audit(1663081947.205:8): avc: denied { kernel } for pid=3418 comm="syz-executor.4" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 132.817373] ------------[ cut here ]------------ [ 132.817392] [ 132.817395] ====================================================== [ 132.817398] WARNING: possible circular locking dependency detected [ 132.817402] 6.0.0-rc5-next-20220913 #1 Not tainted [ 132.817408] ------------------------------------------------------ [ 132.817411] syz-executor.4/3421 is trying to acquire lock: [ 132.817417] ffffffff853fa878 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70 [ 132.817454] [ 132.817454] but task is already holding lock: [ 132.817456] ffff88800ec94420 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 132.817483] [ 132.817483] which lock already depends on the new lock. [ 132.817483] [ 132.817485] [ 132.817485] the existing dependency chain (in reverse order) is: [ 132.817488] [ 132.817488] -> #3 (&ctx->lock){....}-{2:2}: [ 132.817502] _raw_spin_lock+0x2a/0x40 [ 132.817519] __perf_event_task_sched_out+0x53b/0x18d0 [ 132.817531] __schedule+0xedd/0x2470 [ 132.817541] preempt_schedule_common+0x45/0xc0 [ 132.817552] __cond_resched+0x17/0x30 [ 132.817561] __mutex_lock+0xa3/0x14d0 [ 132.817572] __do_sys_perf_event_open+0x1eec/0x32c0 [ 132.817585] do_syscall_64+0x3b/0x90 [ 132.817598] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 132.817615] [ 132.817615] -> #2 (&rq->__lock){-.-.}-{2:2}: [ 132.817629] _raw_spin_lock_nested+0x30/0x40 [ 132.817644] raw_spin_rq_lock_nested+0x1e/0x30 [ 132.817656] task_fork_fair+0x63/0x4d0 [ 132.817673] sched_cgroup_fork+0x3d0/0x540 [ 132.817687] copy_process+0x3f9e/0x6df0 [ 132.817697] kernel_clone+0xe7/0x890 [ 132.817706] user_mode_thread+0xad/0xf0 [ 132.817716] rest_init+0x24/0x250 [ 132.817733] arch_call_rest_init+0xf/0x14 [ 132.817752] start_kernel+0x4c1/0x4e6 [ 132.817769] secondary_startup_64_no_verify+0xe0/0xeb [ 132.817783] [ 132.817783] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 132.817796] _raw_spin_lock_irqsave+0x39/0x60 [ 132.817812] try_to_wake_up+0xab/0x1920 [ 132.817825] up+0x75/0xb0 [ 132.817836] __up_console_sem+0x6e/0x80 [ 132.817852] console_unlock+0x46a/0x590 [ 132.817868] vprintk_emit+0x1bd/0x560 [ 132.817884] vprintk+0x84/0xa0 [ 132.817901] _printk+0xba/0xf1 [ 132.817918] kauditd_hold_skb.cold+0x3f/0x4e [ 132.817932] kauditd_send_queue+0x233/0x290 [ 132.817946] kauditd_thread+0x5da/0x9a0 [ 132.817960] kthread+0x2ed/0x3a0 [ 132.817975] ret_from_fork+0x22/0x30 [ 132.817987] [ 132.817987] -> #0 ((console_sem).lock){....}-{2:2}: [ 132.818001] __lock_acquire+0x2a02/0x5e70 [ 132.818017] lock_acquire+0x1a2/0x530 [ 132.818033] _raw_spin_lock_irqsave+0x39/0x60 [ 132.818048] down_trylock+0xe/0x70 [ 132.818061] __down_trylock_console_sem+0x3b/0xd0 [ 132.818077] vprintk_emit+0x16b/0x560 [ 132.818094] vprintk+0x84/0xa0 [ 132.818110] _printk+0xba/0xf1 [ 132.818126] report_bug.cold+0x72/0xab [ 132.818138] handle_bug+0x3c/0x70 [ 132.818151] exc_invalid_op+0x14/0x50 [ 132.818164] asm_exc_invalid_op+0x16/0x20 [ 132.818180] group_sched_out.part.0+0x2c7/0x460 [ 132.818191] ctx_sched_out+0x8f1/0xc10 [ 132.818200] __perf_event_task_sched_out+0x6d0/0x18d0 [ 132.818212] __schedule+0xedd/0x2470 [ 132.818222] preempt_schedule_common+0x45/0xc0 [ 132.818233] __cond_resched+0x17/0x30 [ 132.818242] __mutex_lock+0xa3/0x14d0 [ 132.818253] __do_sys_perf_event_open+0x1eec/0x32c0 [ 132.818266] do_syscall_64+0x3b/0x90 [ 132.818279] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 132.818296] [ 132.818296] other info that might help us debug this: [ 132.818296] [ 132.818298] Chain exists of: [ 132.818298] (console_sem).lock --> &rq->__lock --> &ctx->lock [ 132.818298] [ 132.818313] Possible unsafe locking scenario: [ 132.818313] [ 132.818315] CPU0 CPU1 [ 132.818318] ---- ---- [ 132.818320] lock(&ctx->lock); [ 132.818325] lock(&rq->__lock); [ 132.818331] lock(&ctx->lock); [ 132.818338] lock((console_sem).lock); [ 132.818344] [ 132.818344] *** DEADLOCK *** [ 132.818344] [ 132.818345] 2 locks held by syz-executor.4/3421: [ 132.818352] #0: ffff88806cf37cd8 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470 [ 132.818378] #1: ffff88800ec94420 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 132.818405] [ 132.818405] stack backtrace: [ 132.818408] CPU: 1 PID: 3421 Comm: syz-executor.4 Not tainted 6.0.0-rc5-next-20220913 #1 [ 132.818420] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 132.818428] Call Trace: [ 132.818431] [ 132.818436] dump_stack_lvl+0x8b/0xb3 [ 132.818450] check_noncircular+0x263/0x2e0 [ 132.818467] ? format_decode+0x26c/0xb50 [ 132.818481] ? print_circular_bug+0x450/0x450 [ 132.818499] ? enable_ptr_key_workfn+0x20/0x20 [ 132.818512] ? __lockdep_reset_lock+0x180/0x180 [ 132.818529] ? format_decode+0x26c/0xb50 [ 132.818544] ? alloc_chain_hlocks+0x1ec/0x5a0 [ 132.818562] __lock_acquire+0x2a02/0x5e70 [ 132.818584] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 132.818607] lock_acquire+0x1a2/0x530 [ 132.818624] ? down_trylock+0xe/0x70 [ 132.818638] ? rcu_read_unlock+0x40/0x40 [ 132.818657] ? find_held_lock+0x2c/0x110 [ 132.818674] ? vprintk+0x84/0xa0 [ 132.818692] _raw_spin_lock_irqsave+0x39/0x60 [ 132.818708] ? down_trylock+0xe/0x70 [ 132.818722] down_trylock+0xe/0x70 [ 132.818735] ? vprintk+0x84/0xa0 [ 132.818752] __down_trylock_console_sem+0x3b/0xd0 [ 132.818770] vprintk_emit+0x16b/0x560 [ 132.818789] vprintk+0x84/0xa0 [ 132.818807] _printk+0xba/0xf1 [ 132.818825] ? record_print_text.cold+0x16/0x16 [ 132.818845] ? hrtimer_try_to_cancel+0x163/0x2c0 [ 132.818859] ? lock_downgrade+0x6d0/0x6d0 [ 132.818876] ? report_bug.cold+0x66/0xab [ 132.818891] ? group_sched_out.part.0+0x2c7/0x460 [ 132.818902] report_bug.cold+0x72/0xab [ 132.818917] handle_bug+0x3c/0x70 [ 132.818930] exc_invalid_op+0x14/0x50 [ 132.818945] asm_exc_invalid_op+0x16/0x20 [ 132.818962] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 132.818975] 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 [ 132.818987] RSP: 0018:ffff888034007978 EFLAGS: 00010006 [ 132.818996] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 132.819004] RDX: ffff8880100ab580 RSI: ffffffff81566027 RDI: 0000000000000005 [ 132.819011] RBP: ffff8880181b8000 R08: 0000000000000005 R09: 0000000000000001 [ 132.819019] R10: 0000000000000000 R11: 0000000000000001 R12: ffff88800ec94400 [ 132.819026] R13: ffff88806cf3d100 R14: ffffffff8547bfc0 R15: 0000000000000002 [ 132.819037] ? group_sched_out.part.0+0x2c7/0x460 [ 132.819050] ? group_sched_out.part.0+0x2c7/0x460 [ 132.819062] ctx_sched_out+0x8f1/0xc10 [ 132.819075] __perf_event_task_sched_out+0x6d0/0x18d0 [ 132.819090] ? lock_is_held_type+0xd7/0x130 [ 132.819109] ? __perf_cgroup_move+0x160/0x160 [ 132.819120] ? set_next_entity+0x304/0x550 [ 132.819138] ? update_curr+0x267/0x740 [ 132.819157] ? lock_is_held_type+0xd7/0x130 [ 132.819176] __schedule+0xedd/0x2470 [ 132.819189] ? io_schedule_timeout+0x150/0x150 [ 132.819200] ? find_held_lock+0x2c/0x110 [ 132.819216] ? lock_is_held_type+0xd7/0x130 [ 132.819234] ? __cond_resched+0x17/0x30 [ 132.819245] preempt_schedule_common+0x45/0xc0 [ 132.819258] __cond_resched+0x17/0x30 [ 132.819268] __mutex_lock+0xa3/0x14d0 [ 132.819281] ? lock_is_held_type+0xd7/0x130 [ 132.819298] ? __do_sys_perf_event_open+0x1eec/0x32c0 [ 132.819313] ? mutex_lock_io_nested+0x1310/0x1310 [ 132.819326] ? lock_release+0x3b2/0x750 [ 132.819344] ? __up_read+0x192/0x730 [ 132.819358] ? up_write+0x480/0x480 [ 132.819375] __do_sys_perf_event_open+0x1eec/0x32c0 [ 132.819392] ? perf_compat_ioctl+0x130/0x130 [ 132.819405] ? xfd_validate_state+0x59/0x180 [ 132.819427] ? syscall_enter_from_user_mode+0x1d/0x50 [ 132.819446] ? syscall_enter_from_user_mode+0x1d/0x50 [ 132.819466] do_syscall_64+0x3b/0x90 [ 132.819480] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 132.819498] RIP: 0033:0x7fdded931b19 [ 132.819507] 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 [ 132.819517] RSP: 002b:00007fddeaea7188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a [ 132.819528] RAX: ffffffffffffffda RBX: 00007fddeda44f60 RCX: 00007fdded931b19 [ 132.819536] RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000280 [ 132.819544] RBP: 00007fdded98bf6d R08: 0000000000000000 R09: 0000000000000000 [ 132.819551] R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 [ 132.819558] R13: 00007ffc07a21bdf R14: 00007fddeaea7300 R15: 0000000000022000 [ 132.819571] [ 132.881580] WARNING: CPU: 1 PID: 3421 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460 [ 132.882271] Modules linked in: [ 132.882516] CPU: 1 PID: 3421 Comm: syz-executor.4 Not tainted 6.0.0-rc5-next-20220913 #1 [ 132.883113] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 132.883942] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 132.884346] 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 [ 132.885681] RSP: 0018:ffff888034007978 EFLAGS: 00010006 [ 132.886077] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 132.886604] RDX: ffff8880100ab580 RSI: ffffffff81566027 RDI: 0000000000000005 [ 132.887139] RBP: ffff8880181b8000 R08: 0000000000000005 R09: 0000000000000001 [ 132.887661] R10: 0000000000000000 R11: 0000000000000001 R12: ffff88800ec94400 [ 132.888182] R13: ffff88806cf3d100 R14: ffffffff8547bfc0 R15: 0000000000000002 [ 132.888721] FS: 00007fddeaea7700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 132.889311] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 132.889746] CR2: 00007fddeda41000 CR3: 000000003f2b0000 CR4: 0000000000350ee0 [ 132.890273] Call Trace: [ 132.890470] [ 132.890651] ctx_sched_out+0x8f1/0xc10 [ 132.890948] __perf_event_task_sched_out+0x6d0/0x18d0 [ 132.891335] ? lock_is_held_type+0xd7/0x130 [ 132.891667] ? __perf_cgroup_move+0x160/0x160 [ 132.892007] ? set_next_entity+0x304/0x550 [ 132.892334] ? update_curr+0x267/0x740 [ 132.892641] ? lock_is_held_type+0xd7/0x130 [ 132.892969] __schedule+0xedd/0x2470 [ 132.893257] ? io_schedule_timeout+0x150/0x150 [ 132.893602] ? find_held_lock+0x2c/0x110 [ 132.893914] ? lock_is_held_type+0xd7/0x130 [ 132.894252] ? __cond_resched+0x17/0x30 [ 132.894553] preempt_schedule_common+0x45/0xc0 [ 132.894905] __cond_resched+0x17/0x30 [ 132.895195] __mutex_lock+0xa3/0x14d0 [ 132.895496] ? lock_is_held_type+0xd7/0x130 [ 132.895827] ? __do_sys_perf_event_open+0x1eec/0x32c0 [ 132.896219] ? mutex_lock_io_nested+0x1310/0x1310 [ 132.896595] ? lock_release+0x3b2/0x750 [ 132.896905] ? __up_read+0x192/0x730 [ 132.897190] ? up_write+0x480/0x480 [ 132.897476] __do_sys_perf_event_open+0x1eec/0x32c0 [ 132.897855] ? perf_compat_ioctl+0x130/0x130 [ 132.898192] ? xfd_validate_state+0x59/0x180 [ 132.898535] ? syscall_enter_from_user_mode+0x1d/0x50 [ 132.898925] ? syscall_enter_from_user_mode+0x1d/0x50 [ 132.899320] do_syscall_64+0x3b/0x90 [ 132.899610] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 132.900003] RIP: 0033:0x7fdded931b19 [ 132.900284] 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 [ 132.901643] RSP: 002b:00007fddeaea7188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a [ 132.902207] RAX: ffffffffffffffda RBX: 00007fddeda44f60 RCX: 00007fdded931b19 [ 132.902736] RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000280 [ 132.903261] RBP: 00007fdded98bf6d R08: 0000000000000000 R09: 0000000000000000 [ 132.903792] R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 [ 132.904329] R13: 00007ffc07a21bdf R14: 00007fddeaea7300 R15: 0000000000022000 [ 132.904883] [ 132.905059] irq event stamp: 612 [ 132.905308] hardirqs last enabled at (611): [] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 132.906031] hardirqs last disabled at (612): [] __schedule+0x1225/0x2470 [ 132.906640] softirqs last enabled at (284): [] __irq_exit_rcu+0x11b/0x180 [ 132.907270] softirqs last disabled at (279): [] __irq_exit_rcu+0x11b/0x180 [ 132.907894] ---[ end trace 0000000000000000 ]--- [ 133.128325] hrtimer: interrupt took 19868 ns [ 134.796205] tmpfs: Bad value for 'huge' [ 134.797576] tmpfs: Bad value for 'huge' VM DIAGNOSIS: 15:12:27 Registers: info registers vcpu 0 RAX=0000000080000002 RBX=ffff88800bfb3580 RCX=0000000080000002 RDX=1ffff110012a9b40 RSI=ffffffff811da550 RDI=ffff88800954da00 RBP=dffffc0000000000 RSP=ffff88800ffcfd88 R8 =0000000000000000 R9 =ffff88800954da07 R10=ffffed10012a9b40 R11=0000000000000001 R12=ffff888079237ff9 R13=ffff88800bfb3580 R14=0000000000000000 R15=0000000000000092 RIP=ffffffff8146174d RFL=00000046 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff88806ce00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f40cba958e0 CR3=000000001630c000 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 756e696c2d34365f 3638782f62696c2f YMM01=0000000000000000 0000000000000000 00362e6f732e6362 696c2f756e672d78 YMM02=0000000000000000 0000000000000000 ffff0000000000ff ffffffffffffffff YMM03=0000000000000000 0000000000000000 ffffffffffffffff ffffffffffffffff YMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 info registers vcpu 1 RAX=dffffc0000000005 RBX=00000000000003f9 RCX=0000000000000000 RDX=00000000000003f9 RSI=ffffffff822b253c RDI=ffffffff8763fae0 RBP=ffffffff8763faa0 RSP=ffff8880340073d0 R8 =0000000000000001 R9 =ffff88803400735b R10=ffffed1006800e6b R11=0000000000000001 R12=0000000000000067 R13=ffffffff8763faa0 R14=ffffffff8763faf0 R15=ffffffff8763fd48 RIP=ffffffff822b2591 RFL=00000006 [-----P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fddeaea7700 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=00007fddeda41000 CR3=000000003f2b0000 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 ffffffffffffffff ffffffffffffffff YMM02=0000000000000000 0000000000000000 00524f5252450040 0000000000000000 YMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM04=0000000000000000 0000000000000000 0000000000000000 00000000000000ff 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