Warning: Permanently added '[localhost]:21869' (ECDSA) to the list of known hosts. 2022/09/29 03:58:26 fuzzer started 2022/09/29 03:58:27 dialing manager at localhost:45751 syzkaller login: [ 44.444671] cgroup: Unknown subsys name 'net' [ 44.598846] cgroup: Unknown subsys name 'rlimit' 2022/09/29 03:58:41 syscalls: 2215 2022/09/29 03:58:41 code coverage: enabled 2022/09/29 03:58:41 comparison tracing: enabled 2022/09/29 03:58:41 extra coverage: enabled 2022/09/29 03:58:41 setuid sandbox: enabled 2022/09/29 03:58:41 namespace sandbox: enabled 2022/09/29 03:58:41 Android sandbox: enabled 2022/09/29 03:58:41 fault injection: enabled 2022/09/29 03:58:41 leak checking: enabled 2022/09/29 03:58:41 net packet injection: enabled 2022/09/29 03:58:41 net device setup: enabled 2022/09/29 03:58:41 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/09/29 03:58:41 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/09/29 03:58:41 USB emulation: enabled 2022/09/29 03:58:41 hci packet injection: enabled 2022/09/29 03:58:41 wifi device emulation: failed to parse kernel version (6.0.0-rc7-next-20220928) 2022/09/29 03:58:41 802.15.4 emulation: enabled 2022/09/29 03:58:41 fetching corpus: 0, signal 0/2000 (executing program) 2022/09/29 03:58:41 fetching corpus: 50, signal 22559/26135 (executing program) 2022/09/29 03:58:42 fetching corpus: 100, signal 35427/40394 (executing program) 2022/09/29 03:58:42 fetching corpus: 150, signal 48145/54287 (executing program) 2022/09/29 03:58:42 fetching corpus: 200, signal 53767/61158 (executing program) 2022/09/29 03:58:42 fetching corpus: 250, signal 60168/68612 (executing program) 2022/09/29 03:58:42 fetching corpus: 300, signal 64782/74259 (executing program) 2022/09/29 03:58:42 fetching corpus: 350, signal 67765/78323 (executing program) 2022/09/29 03:58:42 fetching corpus: 400, signal 72090/83589 (executing program) 2022/09/29 03:58:42 fetching corpus: 450, signal 75592/87959 (executing program) 2022/09/29 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signal 192032/201850 (executing program) 2022/09/29 03:58:53 fetching corpus: 4700, signal 192795/202014 (executing program) 2022/09/29 03:58:53 fetching corpus: 4750, signal 193397/202171 (executing program) 2022/09/29 03:58:53 fetching corpus: 4800, signal 194021/202280 (executing program) 2022/09/29 03:58:53 fetching corpus: 4850, signal 194669/202398 (executing program) 2022/09/29 03:58:53 fetching corpus: 4900, signal 195204/202503 (executing program) 2022/09/29 03:58:53 fetching corpus: 4950, signal 195981/202622 (executing program) 2022/09/29 03:58:53 fetching corpus: 5000, signal 196473/202632 (executing program) 2022/09/29 03:58:53 fetching corpus: 5032, signal 196904/202632 (executing program) 2022/09/29 03:58:53 fetching corpus: 5032, signal 196904/202632 (executing program) 2022/09/29 03:58:56 starting 8 fuzzer processes 03:58:56 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, 0x0, 0x0, 0xffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0x5}, 0x1200, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NFT_BATCH(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="140000001a00010212c91e1b762ac65f7d91053f295d4ffc20d75892ef07d227fdbe18dbfb1af3e0dd6a380e71c4fcaceb3843a0a27d26a418e26c51db155af69e0000000000000000000000000000df63a36fd407eb99643bb3409a86448396cd1499fc9043822e14cfd3c73e60c6c12f77588b76a9611ccb029fc621b6cee1bcbc694d91f9967d149f4886d35a626a8dbf6b35022ae0469c89edd059d3b71950ce873078f7854516df53f35200ea7d65b2569bab6721d1f31e789b535d1917a35d28628a5faba1bb56e48d042cb3fe8afb8243e4805861841665a22b72a48d45814d483cf99600"/255], 0x28}}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x101042, 0x0) recvmmsg(r0, &(0x7f0000003980)=[{{0x0, 0x0, 0x0}}], 0x1, 0x0, 0x0) socket$inet6_udplite(0xa, 0x2, 0x88) 03:58:56 executing program 2: r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) bind$bt_sco(r0, &(0x7f0000000080)={0x1f, @none}, 0x8) 03:58:56 executing program 1: r0 = openat$sr(0xffffffffffffff9c, &(0x7f0000000000), 0x40880, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r0, 0x309, &(0x7f0000000700)) 03:58:56 executing program 3: r0 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$TIOCGSOFTCAR(r0, 0x5419, &(0x7f00000000c0)) 03:58:56 executing program 4: r0 = syz_mount_image$vfat(&(0x7f0000000080), &(0x7f0000000000)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366d8a02b00080101000440002000f801", 0x17}, {0x0, 0x0, 0x2800}], 0x0, &(0x7f0000000140)=ANY=[]) chdir(&(0x7f00000001c0)='./file0\x00') r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x101042, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x101042, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000140)='net/tcp\x00') preadv(r3, &(0x7f0000000180)=[{&(0x7f0000000000)=""/121, 0x79}, {&(0x7f0000000080)=""/121, 0x79}], 0x2, 0x0, 0x0) fdatasync(r3) openat(0xffffffffffffffff, &(0x7f0000000040)='./file1\x00', 0x200200, 0x4) write$binfmt_aout(r2, &(0x7f0000001180)=ANY=[], 0x220) r4 = socket$inet6(0xa, 0x1, 0x0) fchown(r4, 0x0, 0x0) setsockopt$inet6_IPV6_ADDRFORM(r4, 0x29, 0x1, &(0x7f0000000240), 0x4) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r0, 0x81f8943c, &(0x7f0000000480)) 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={0xb}, 0x15182, 0x7, 0x0, 0x0, 0x5}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0xb}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendfile(r2, r1, 0x0, 0xfffffdef) 03:58:56 executing program 5: r0 = syz_io_uring_setup(0x1, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, &(0x7f00000a0000)=nil, &(0x7f00000b0000)=nil, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) r3 = socket$nl_sock_diag(0x10, 0x3, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000040)=@IORING_OP_CONNECT={0x10, 0x0, 0x0, r3, 0x80, &(0x7f0000000180)=@pppol2tpin6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @remote}}}}, 0x0) io_uring_enter(r0, 0x1, 0x0, 0x0, 0x0, 0x0) [ 73.468038] audit: type=1400 audit(1664423936.503:6): avc: denied { execmem } for pid=286 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 03:58:56 executing program 6: r0 = epoll_create(0x4) r1 = signalfd4(0xffffffffffffffff, &(0x7f0000000200), 0x8, 0x0) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r1, &(0x7f00000000c0)={0xd0002011}) 03:58:56 executing program 7: seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000100)=[{0x6, 0x0, 0x0, 0x7fff0000}]}) r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0) preadv2(r0, 0x0, 0x0, 0x0, 0x0, 0x0) [ 74.842197] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 74.844202] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 74.846851] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 74.848571] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 74.850043] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 74.852258] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 74.885727] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 74.887329] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 74.889670] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 74.891699] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 74.893367] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 74.894967] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 74.896272] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 74.897639] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 74.898673] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 74.903044] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 74.904056] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 74.906016] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 74.907144] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 74.908172] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 74.909609] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 74.913981] Bluetooth: hci7: HCI_REQ-0x0c1a [ 74.918076] Bluetooth: hci6: HCI_REQ-0x0c1a [ 74.930831] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 74.932931] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 74.935116] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 74.936889] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 74.938182] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 74.939149] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 74.940409] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 74.941590] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 74.941744] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 74.944458] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 74.945886] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 74.946736] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 74.949063] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 74.951811] Bluetooth: hci1: HCI_REQ-0x0c1a [ 74.952878] Bluetooth: hci0: HCI_REQ-0x0c1a [ 74.957043] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 74.958939] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 74.960682] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 74.961748] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 74.962974] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 74.964135] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 74.965325] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 74.973117] Bluetooth: hci2: HCI_REQ-0x0c1a [ 74.973587] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 74.974179] Bluetooth: hci3: HCI_REQ-0x0c1a [ 74.999626] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 74.999723] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 75.003728] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 75.005396] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 75.007285] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 75.011456] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 75.016415] Bluetooth: hci4: HCI_REQ-0x0c1a [ 75.022524] Bluetooth: hci5: HCI_REQ-0x0c1a [ 76.965192] Bluetooth: hci0: command 0x0409 tx timeout [ 76.965967] Bluetooth: hci1: command 0x0409 tx timeout [ 76.966572] Bluetooth: hci7: command 0x0409 tx timeout [ 76.973954] Bluetooth: hci6: command 0x0409 tx timeout [ 77.029197] Bluetooth: hci3: command 0x0409 tx timeout [ 77.029747] Bluetooth: hci2: command 0x0409 tx timeout [ 77.030298] Bluetooth: hci4: command 0x0409 tx timeout [ 77.094029] Bluetooth: hci5: command 0x0409 tx timeout [ 79.013389] Bluetooth: hci6: command 0x041b tx timeout [ 79.014280] Bluetooth: hci7: command 0x041b tx timeout [ 79.015198] Bluetooth: hci1: command 0x041b tx timeout [ 79.016017] Bluetooth: hci0: command 0x041b tx timeout [ 79.077280] Bluetooth: hci4: command 0x041b tx timeout [ 79.078511] Bluetooth: hci2: command 0x041b tx timeout [ 79.079351] Bluetooth: hci3: command 0x041b tx timeout [ 79.141203] Bluetooth: hci5: command 0x041b tx timeout [ 81.060865] Bluetooth: hci0: command 0x040f tx timeout [ 81.061346] Bluetooth: hci1: command 0x040f tx timeout [ 81.061741] Bluetooth: hci7: command 0x040f tx timeout [ 81.062166] Bluetooth: hci6: command 0x040f tx timeout [ 81.124856] Bluetooth: hci3: command 0x040f tx timeout [ 81.125326] Bluetooth: hci2: command 0x040f tx timeout [ 81.125719] Bluetooth: hci4: command 0x040f tx timeout [ 81.189081] Bluetooth: hci5: command 0x040f tx timeout [ 83.108954] Bluetooth: hci6: command 0x0419 tx timeout [ 83.109425] Bluetooth: hci7: command 0x0419 tx timeout [ 83.109868] Bluetooth: hci1: command 0x0419 tx timeout [ 83.110257] Bluetooth: hci0: command 0x0419 tx timeout [ 83.172890] Bluetooth: hci4: command 0x0419 tx timeout [ 83.173379] Bluetooth: hci2: command 0x0419 tx timeout [ 83.173834] Bluetooth: hci3: command 0x0419 tx timeout [ 83.237085] Bluetooth: hci5: command 0x0419 tx timeout 03:59:53 executing program 1: r0 = openat$sr(0xffffffffffffff9c, &(0x7f0000000000), 0x40880, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r0, 0x309, &(0x7f0000000700)) 03:59:53 executing program 7: perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8) clone3(&(0x7f00000001c0)={0x0, &(0x7f0000000180)=0xffffffffffffffff, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x58) waitid$P_PIDFD(0x2, r0, 0x0, 0x80000009, 0x0) [ 130.975091] audit: type=1400 audit(1664423994.010:7): avc: denied { open } for pid=3841 comm="syz-executor.7" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 130.976672] audit: type=1400 audit(1664423994.011:8): avc: denied { kernel } for pid=3841 comm="syz-executor.7" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 130.996480] ------------[ cut here ]------------ [ 130.996500] [ 130.996503] ====================================================== [ 130.996506] WARNING: possible circular locking dependency detected [ 130.996511] 6.0.0-rc7-next-20220928 #1 Not tainted [ 130.996517] ------------------------------------------------------ [ 130.996521] syz-executor.7/3843 is trying to acquire lock: [ 130.996528] ffffffff853faab8 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70 [ 130.996572] [ 130.996572] but task is already holding lock: [ 130.996575] ffff88800e0c4820 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 130.996605] [ 130.996605] which lock already depends on the new lock. [ 130.996605] [ 130.996608] [ 130.996608] the existing dependency chain (in reverse order) is: [ 130.996612] [ 130.996612] -> #3 (&ctx->lock){....}-{2:2}: [ 130.996626] _raw_spin_lock+0x2a/0x40 [ 130.996640] __perf_event_task_sched_out+0x53b/0x18d0 [ 130.996653] __schedule+0xedd/0x2470 [ 130.996671] schedule+0xda/0x1b0 [ 130.996688] exit_to_user_mode_prepare+0x114/0x1a0 [ 130.996701] syscall_exit_to_user_mode+0x19/0x40 [ 130.996717] do_syscall_64+0x48/0x90 [ 130.996728] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 130.996743] [ 130.996743] -> #2 (&rq->__lock){-.-.}-{2:2}: [ 130.996758] _raw_spin_lock_nested+0x30/0x40 [ 130.996774] raw_spin_rq_lock_nested+0x1e/0x30 [ 130.996788] task_fork_fair+0x63/0x4d0 [ 130.996807] sched_cgroup_fork+0x3d0/0x540 [ 130.996822] copy_process+0x4183/0x6e20 [ 130.996833] kernel_clone+0xe7/0x890 [ 130.996844] user_mode_thread+0xad/0xf0 [ 130.996854] rest_init+0x24/0x250 [ 130.996869] arch_call_rest_init+0xf/0x14 [ 130.996889] start_kernel+0x4c6/0x4eb [ 130.996908] secondary_startup_64_no_verify+0xe0/0xeb [ 130.996923] [ 130.996923] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 130.996937] _raw_spin_lock_irqsave+0x39/0x60 [ 130.996950] try_to_wake_up+0xab/0x1930 [ 130.996965] up+0x75/0xb0 [ 130.996982] __up_console_sem+0x6e/0x80 [ 130.997000] console_unlock+0x46a/0x590 [ 130.997018] vt_ioctl+0x2822/0x2ca0 [ 130.997033] tty_ioctl+0x785/0x16b0 [ 130.997047] __x64_sys_ioctl+0x19a/0x210 [ 130.997064] do_syscall_64+0x3b/0x90 [ 130.997075] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 130.997090] [ 130.997090] -> #0 ((console_sem).lock){....}-{2:2}: [ 130.997104] __lock_acquire+0x2a02/0x5e70 [ 130.997123] lock_acquire+0x1a2/0x530 [ 130.997141] _raw_spin_lock_irqsave+0x39/0x60 [ 130.997154] down_trylock+0xe/0x70 [ 130.997172] __down_trylock_console_sem+0x3b/0xd0 [ 130.997190] vprintk_emit+0x16b/0x560 [ 130.997208] vprintk+0x84/0xa0 [ 130.997226] _printk+0xba/0xf1 [ 130.997241] report_bug.cold+0x72/0xab [ 130.997251] handle_bug+0x3c/0x70 [ 130.997261] exc_invalid_op+0x14/0x50 [ 130.997272] asm_exc_invalid_op+0x16/0x20 [ 130.997287] group_sched_out.part.0+0x2c7/0x460 [ 130.997298] ctx_sched_out+0x8f1/0xc10 [ 130.997309] __perf_event_task_sched_out+0x6d0/0x18d0 [ 130.997323] __schedule+0xedd/0x2470 [ 130.997340] schedule+0xda/0x1b0 [ 130.997356] exit_to_user_mode_prepare+0x114/0x1a0 [ 130.997368] syscall_exit_to_user_mode+0x19/0x40 [ 130.997383] do_syscall_64+0x48/0x90 [ 130.997394] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 130.997409] [ 130.997409] other info that might help us debug this: [ 130.997409] [ 130.997412] Chain exists of: [ 130.997412] (console_sem).lock --> &rq->__lock --> &ctx->lock [ 130.997412] [ 130.997428] Possible unsafe locking scenario: [ 130.997428] [ 130.997430] CPU0 CPU1 [ 130.997433] ---- ---- [ 130.997436] lock(&ctx->lock); [ 130.997442] lock(&rq->__lock); [ 130.997449] lock(&ctx->lock); [ 130.997455] lock((console_sem).lock); [ 130.997461] [ 130.997461] *** DEADLOCK *** [ 130.997461] [ 130.997463] 2 locks held by syz-executor.7/3843: [ 130.997471] #0: ffff88806cf37d18 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470 [ 130.997504] #1: ffff88800e0c4820 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 130.997534] [ 130.997534] stack backtrace: [ 130.997536] CPU: 1 PID: 3843 Comm: syz-executor.7 Not tainted 6.0.0-rc7-next-20220928 #1 [ 130.997550] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 130.997558] Call Trace: [ 130.997562] [ 130.997566] dump_stack_lvl+0x8b/0xb3 [ 130.997578] check_noncircular+0x263/0x2e0 [ 130.997597] ? format_decode+0x26c/0xb50 [ 130.997616] ? print_circular_bug+0x450/0x450 [ 130.997636] ? enable_ptr_key_workfn+0x20/0x20 [ 130.997656] ? format_decode+0x26c/0xb50 [ 130.997677] ? alloc_chain_hlocks+0x1ec/0x5a0 [ 130.997696] __lock_acquire+0x2a02/0x5e70 [ 130.997720] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 130.997745] lock_acquire+0x1a2/0x530 [ 130.997764] ? down_trylock+0xe/0x70 [ 130.997785] ? lock_release+0x750/0x750 [ 130.997807] ? vprintk+0x84/0xa0 [ 130.997827] _raw_spin_lock_irqsave+0x39/0x60 [ 130.997841] ? down_trylock+0xe/0x70 [ 130.997861] down_trylock+0xe/0x70 [ 130.997881] ? vprintk+0x84/0xa0 [ 130.997900] __down_trylock_console_sem+0x3b/0xd0 [ 130.997919] vprintk_emit+0x16b/0x560 [ 130.997940] vprintk+0x84/0xa0 [ 130.997959] _printk+0xba/0xf1 [ 130.997974] ? record_print_text.cold+0x16/0x16 [ 130.997992] ? report_bug.cold+0x66/0xab [ 130.998004] ? group_sched_out.part.0+0x2c7/0x460 [ 130.998017] report_bug.cold+0x72/0xab [ 130.998030] handle_bug+0x3c/0x70 [ 130.998041] exc_invalid_op+0x14/0x50 [ 130.998054] asm_exc_invalid_op+0x16/0x20 [ 130.998069] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 130.998084] Code: 5e 41 5f e9 cb a9 ef ff e8 c6 a9 ef ff 65 8b 1d db 12 ac 7e 31 ff 89 de e8 66 a6 ef ff 85 db 0f 84 8a 00 00 00 e8 a9 a9 ef ff <0f> 0b e9 a5 fe ff ff e8 9d a9 ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 130.998096] RSP: 0018:ffff88801ba0fc48 EFLAGS: 00010006 [ 130.998105] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 130.998113] RDX: ffff888015f58000 RSI: ffffffff815662f7 RDI: 0000000000000005 [ 130.998121] RBP: ffff88803eee0000 R08: 0000000000000005 R09: 0000000000000001 [ 130.998129] R10: 0000000000000000 R11: ffffffff865b405b R12: ffff88800e0c4800 [ 130.998137] R13: ffff88806cf3d140 R14: ffffffff8547cf00 R15: 0000000000000002 [ 130.998149] ? group_sched_out.part.0+0x2c7/0x460 [ 130.998163] ? group_sched_out.part.0+0x2c7/0x460 [ 130.998177] ctx_sched_out+0x8f1/0xc10 [ 130.998191] __perf_event_task_sched_out+0x6d0/0x18d0 [ 130.998208] ? lock_is_held_type+0xd7/0x130 [ 130.998225] ? __perf_cgroup_move+0x160/0x160 [ 130.998238] ? set_next_entity+0x304/0x550 [ 130.998258] ? update_curr+0x267/0x740 [ 130.998278] ? lock_is_held_type+0xd7/0x130 [ 130.998295] __schedule+0xedd/0x2470 [ 130.998316] ? io_schedule_timeout+0x150/0x150 [ 130.998336] ? rcu_read_lock_sched_held+0x3e/0x80 [ 130.998359] schedule+0xda/0x1b0 [ 130.998377] exit_to_user_mode_prepare+0x114/0x1a0 [ 130.998390] syscall_exit_to_user_mode+0x19/0x40 [ 130.998407] do_syscall_64+0x48/0x90 [ 130.998419] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 130.998435] RIP: 0033:0x7fcb547dab19 [ 130.998443] 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 [ 130.998455] RSP: 002b:00007fcb51d50218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 130.998466] RAX: 0000000000000001 RBX: 00007fcb548edf68 RCX: 00007fcb547dab19 [ 130.998474] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fcb548edf6c [ 130.998481] RBP: 00007fcb548edf60 R08: 000000000000000e R09: 0000000000000000 [ 130.998489] R10: 0000000000000003 R11: 0000000000000246 R12: 00007fcb548edf6c [ 130.998497] R13: 00007ffeab1ade3f R14: 00007fcb51d50300 R15: 0000000000022000 [ 130.998510] [ 131.102096] WARNING: CPU: 1 PID: 3843 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460 [ 131.103444] Modules linked in: [ 131.103921] CPU: 1 PID: 3843 Comm: syz-executor.7 Not tainted 6.0.0-rc7-next-20220928 #1 [ 131.105103] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 131.106718] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 131.107494] Code: 5e 41 5f e9 cb a9 ef ff e8 c6 a9 ef ff 65 8b 1d db 12 ac 7e 31 ff 89 de e8 66 a6 ef ff 85 db 0f 84 8a 00 00 00 e8 a9 a9 ef ff <0f> 0b e9 a5 fe ff ff e8 9d a9 ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 131.110117] RSP: 0018:ffff88801ba0fc48 EFLAGS: 00010006 [ 131.110866] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 131.111901] RDX: ffff888015f58000 RSI: ffffffff815662f7 RDI: 0000000000000005 [ 131.112942] RBP: ffff88803eee0000 R08: 0000000000000005 R09: 0000000000000001 [ 131.113957] R10: 0000000000000000 R11: ffffffff865b405b R12: ffff88800e0c4800 [ 131.114994] R13: ffff88806cf3d140 R14: ffffffff8547cf00 R15: 0000000000000002 [ 131.116006] FS: 00007fcb51d50700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 131.117172] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 131.117997] CR2: 00007f858c4486f4 CR3: 0000000039c48000 CR4: 0000000000350ee0 [ 131.118991] Call Trace: [ 131.119360] [ 131.119694] ctx_sched_out+0x8f1/0xc10 [ 131.120267] __perf_event_task_sched_out+0x6d0/0x18d0 [ 131.121003] ? lock_is_held_type+0xd7/0x130 [ 131.121625] ? __perf_cgroup_move+0x160/0x160 [ 131.122267] ? set_next_entity+0x304/0x550 [ 131.122876] ? update_curr+0x267/0x740 [ 131.123443] ? lock_is_held_type+0xd7/0x130 [ 131.124063] __schedule+0xedd/0x2470 [ 131.124631] ? io_schedule_timeout+0x150/0x150 [ 131.125306] ? rcu_read_lock_sched_held+0x3e/0x80 [ 131.126036] schedule+0xda/0x1b0 [ 131.126545] exit_to_user_mode_prepare+0x114/0x1a0 [ 131.127250] syscall_exit_to_user_mode+0x19/0x40 [ 131.127966] do_syscall_64+0x48/0x90 [ 131.128514] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 131.129247] RIP: 0033:0x7fcb547dab19 [ 131.129780] 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 [ 131.132357] RSP: 002b:00007fcb51d50218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 131.133437] RAX: 0000000000000001 RBX: 00007fcb548edf68 RCX: 00007fcb547dab19 [ 131.134426] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fcb548edf6c [ 131.135408] RBP: 00007fcb548edf60 R08: 000000000000000e R09: 0000000000000000 [ 131.136404] R10: 0000000000000003 R11: 0000000000000246 R12: 00007fcb548edf6c [ 131.137390] R13: 00007ffeab1ade3f R14: 00007fcb51d50300 R15: 0000000000022000 [ 131.138395] [ 131.138735] irq event stamp: 690 [ 131.139214] hardirqs last enabled at (689): [] exit_to_user_mode_prepare+0x109/0x1a0 [ 131.140516] hardirqs last disabled at (690): [] __schedule+0x1225/0x2470 [ 131.141671] softirqs last enabled at (534): [] __irq_exit_rcu+0x11b/0x180 [ 131.142849] softirqs last disabled at (525): [] __irq_exit_rcu+0x11b/0x180 [ 131.144032] ---[ end trace 0000000000000000 ]--- 03:59:54 executing program 1: r0 = openat$sr(0xffffffffffffff9c, &(0x7f0000000000), 0x40880, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r0, 0x309, &(0x7f0000000700)) 03:59:54 executing program 1: r0 = openat$sr(0xffffffffffffff9c, &(0x7f0000000000), 0x40880, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r0, 0x309, &(0x7f0000000700)) 03:59:54 executing program 3: r0 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$TIOCGSOFTCAR(r0, 0x5419, &(0x7f00000000c0)) 03:59:54 executing program 3: r0 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$TIOCGSOFTCAR(r0, 0x5419, &(0x7f00000000c0)) 03:59:54 executing program 1: r0 = 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={0x1a}, 0x803}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x41, 0x0) ppoll(&(0x7f0000002700)=[{}, {0xffffffffffffffff, 0x81}, {0xffffffffffffffff, 0x1050}, {0xffffffffffffffff, 0x1100}, {0xffffffffffffffff, 0x8000}, {r0, 0x4428}, {r1, 0x400}, {r1, 0x24}], 0x8, &(0x7f0000002740), &(0x7f0000002780)={[0x2]}, 0x8) process_vm_readv(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0}, {&(0x7f0000000100)=""/57, 0x39}], 0x2, &(0x7f0000000300)=[{&(0x7f0000012940)=""/102400, 0x19000}], 0x1, 0x0) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000002580)='./file1\x00', 0x141042, 0x20) r4 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000080)='/sys/block/loop6', 0x0, 0x10) pwritev(r3, &(0x7f0000000240)=[{&(0x7f0000000140)="cf", 0x1}], 0x1, 0x0, 0x0) mmap$perf(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0xe, 0x4010, 0xffffffffffffffff, 0x1) r5 = gettid() lsetxattr$security_selinux(&(0x7f0000002440)='.\x00', &(0x7f0000002480), &(0x7f00000024c0)='system_u:object_r:system_map_t:s0\x00', 0x22, 0x3) read(0xffffffffffffffff, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(0xffffffffffffffff, 0x8933, &(0x7f00000025c0)) r6 = fcntl$getown(r3, 0x9) clone3(&(0x7f00000023c0)={0x4000000, &(0x7f0000000180), &(0x7f00000001c0), &(0x7f0000000200), {0x80000000}, &(0x7f0000001340)=""/4096, 0x1000, &(0x7f0000002340)=""/10, &(0x7f0000002380)=[0xffffffffffffffff, r5, r5, 0x0, r6, r5, r5], 0x7, {r4}}, 0x58) ioctl$BTRFS_IOC_INO_LOOKUP(r3, 0xd0009412, &(0x7f0000000340)) 03:59:54 executing program 3: r0 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$TIOCGSOFTCAR(r0, 0x5419, &(0x7f00000000c0)) [ 131.607784] hrtimer: interrupt took 9668 ns [ 131.973065] loop4: detected capacity change from 0 to 40 [ 138.020859] Bluetooth: hci3: Opcode 0x c03 failed: -110 [ 138.022153] Bluetooth: hci1: Opcode 0x c03 failed: -110 VM DIAGNOSIS: 03:59:54 Registers: info registers vcpu 0 RAX=ffff88801b440001 RBX=0000000000000001 RCX=0000000000000001 RDX=ffff88801b43fc01 RSI=ffff88801b43fca0 RDI=ffff88801b43f5d0 RBP=ffff88801b43fca0 RSP=ffff88801b43f528 R8 =ffffffff85e5b76e R9 =ffffffff85e5b772 R10=ffffed1003687ec5 R11=ffff88801b43f600 R12=ffff88801b43f601 R13=ffff88801b438000 R14=ffff88801b43f5c0 R15=0000000000000003 RIP=ffffffff8111a0d1 RFL=00000092 [--S-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 0000555555eed400 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=00007f6c8c529260 CR3=00000000181ec000 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 2e6f747079726362 696c2f756e672d78 YMM02=0000000000000000 0000000000000000 00312e312e6f732e 6f74707972636269 YMM03=0000000000000000 0000000000000000 6c2f756e672d7875 6e696c2d34365f36 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=0000000000000069 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff823ba131 RDI=ffffffff8765a980 RBP=ffffffff8765a940 RSP=ffff88801ba0f690 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000069 R11=0000000000000001 R12=0000000000000069 R13=ffffffff8765a940 R14=0000000000000010 R15=ffffffff823ba120 RIP=ffffffff823ba189 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 00007fcb51d50700 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=00007f858c4486f4 CR3=0000000039c48000 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 00007fcb548c17c0 00007fcb548c17c8 YMM02=0000000000000000 0000000000000000 00007fcb548c17e0 00007fcb548c17c0 YMM03=0000000000000000 0000000000000000 00007fcb548c17c8 00007fcb548c17c0 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