Warning: Permanently added '[localhost]:45714' (ECDSA) to the list of known hosts. 2022/09/23 13:27:51 fuzzer started 2022/09/23 13:27:51 dialing manager at localhost:38881 syzkaller login: [ 40.413872] cgroup: Unknown subsys name 'net' [ 40.516799] cgroup: Unknown subsys name 'rlimit' 2022/09/23 13:28:06 syscalls: 2215 2022/09/23 13:28:06 code coverage: enabled 2022/09/23 13:28:06 comparison tracing: enabled 2022/09/23 13:28:06 extra coverage: enabled 2022/09/23 13:28:06 setuid sandbox: enabled 2022/09/23 13:28:06 namespace sandbox: enabled 2022/09/23 13:28:06 Android sandbox: enabled 2022/09/23 13:28:06 fault injection: enabled 2022/09/23 13:28:06 leak checking: enabled 2022/09/23 13:28:06 net packet injection: enabled 2022/09/23 13:28:06 net device setup: enabled 2022/09/23 13:28:06 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/09/23 13:28:06 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/09/23 13:28:06 USB emulation: enabled 2022/09/23 13:28:06 hci packet injection: enabled 2022/09/23 13:28:06 wifi device emulation: failed to parse kernel version (6.0.0-rc6-next-20220923) 2022/09/23 13:28:06 802.15.4 emulation: enabled 2022/09/23 13:28:06 fetching corpus: 0, signal 0/2000 (executing program) 2022/09/23 13:28:06 fetching corpus: 40, signal 22683/26269 (executing program) 2022/09/23 13:28:06 fetching corpus: 90, signal 36527/41507 (executing program) 2022/09/23 13:28:06 fetching corpus: 140, signal 43416/49803 (executing program) 2022/09/23 13:28:06 fetching corpus: 190, signal 52423/59954 (executing program) 2022/09/23 13:28:06 fetching corpus: 240, signal 59323/67986 (executing program) 2022/09/23 13:28:06 fetching corpus: 290, signal 62733/72657 (executing program) 2022/09/23 13:28:07 fetching corpus: 340, signal 68779/79650 (executing program) 2022/09/23 13:28:07 fetching corpus: 390, signal 73595/85426 (executing program) 2022/09/23 13:28:07 fetching corpus: 440, signal 76516/89367 (executing program) 2022/09/23 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(executing program) 2022/09/23 13:28:15 fetching corpus: 3484, signal 180433/203073 (executing program) 2022/09/23 13:28:15 fetching corpus: 3534, signal 181247/203671 (executing program) 2022/09/23 13:28:15 fetching corpus: 3584, signal 181849/204141 (executing program) 2022/09/23 13:28:15 fetching corpus: 3634, signal 183114/204810 (executing program) 2022/09/23 13:28:15 fetching corpus: 3684, signal 184237/205410 (executing program) 2022/09/23 13:28:16 fetching corpus: 3734, signal 185444/206004 (executing program) 2022/09/23 13:28:16 fetching corpus: 3784, signal 186068/206416 (executing program) 2022/09/23 13:28:16 fetching corpus: 3834, signal 186459/206761 (executing program) 2022/09/23 13:28:16 fetching corpus: 3884, signal 187679/207334 (executing program) 2022/09/23 13:28:16 fetching corpus: 3934, signal 188567/207787 (executing program) 2022/09/23 13:28:16 fetching corpus: 3984, signal 189604/208304 (executing program) 2022/09/23 13:28:16 fetching corpus: 4034, signal 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signal 200359/212657 (executing program) 2022/09/23 13:28:18 fetching corpus: 4681, signal 201050/212883 (executing program) 2022/09/23 13:28:18 fetching corpus: 4731, signal 201576/213058 (executing program) 2022/09/23 13:28:18 fetching corpus: 4781, signal 201935/213216 (executing program) 2022/09/23 13:28:18 fetching corpus: 4831, signal 202245/213392 (executing program) 2022/09/23 13:28:18 fetching corpus: 4881, signal 203215/213580 (executing program) 2022/09/23 13:28:19 fetching corpus: 4931, signal 203909/213719 (executing program) 2022/09/23 13:28:19 fetching corpus: 4981, signal 204666/213844 (executing program) 2022/09/23 13:28:19 fetching corpus: 5030, signal 205059/213946 (executing program) 2022/09/23 13:28:19 fetching corpus: 5080, signal 205731/214048 (executing program) 2022/09/23 13:28:19 fetching corpus: 5130, signal 206467/214145 (executing program) 2022/09/23 13:28:19 fetching corpus: 5179, signal 207128/214227 (executing program) 2022/09/23 13:28:19 fetching corpus: 5229, signal 207515/214235 (executing program) 2022/09/23 13:28:20 fetching corpus: 5279, signal 208295/214260 (executing program) 2022/09/23 13:28:20 fetching corpus: 5294, signal 208444/214260 (executing program) 2022/09/23 13:28:20 fetching corpus: 5294, signal 208444/214260 (executing program) 2022/09/23 13:28:22 starting 8 fuzzer processes 13:28:22 executing program 0: openat$rfkill(0xffffffffffffff9c, &(0x7f0000001780), 0x0, 0x0) 13:28:22 executing program 1: munmap(&(0x7f0000000000/0x2000)=nil, 0x2000) r0 = socket$nl_audit(0x10, 0x3, 0x9) setsockopt$sock_int(r0, 0x1, 0x0, &(0x7f0000000100), 0x4) 13:28:22 executing program 2: r0 = io_uring_setup(0x454c, &(0x7f0000000240)) io_uring_register$IORING_REGISTER_FILES_UPDATE(r0, 0xf, 0x0, 0x0) 13:28:22 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$sock_SIOCDELRT(r0, 0x890c, &(0x7f00000001c0)={0x0, @can, @rc={0x1f, @any, 0x89}, @in={0x2, 0x4e21, @private=0xa010101}, 0x2, 0x0, 0x0, 0x0, 0x7fff, 0x0, 0x1, 0x81, 0x625a}) ioctl$sock_FIOGETOWN(0xffffffffffffffff, 0x8903, &(0x7f0000000100)) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x2, &(0x7f0000000140)=0x100, 0x4) r1 = socket$inet_icmp_raw(0x2, 0x3, 0x1) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000000080)={0x2, &(0x7f0000000000)=[{0x48, 0x0, 0x0, 0x3}, {0x6}]}, 0x10) socket$nl_generic(0x10, 0x3, 0x10) 13:28:22 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f0000000100)={0x1c, 0x69, 0x1, 0x0, 0x0, "", [@typed={0x8, 0x0, 0x0, 0x0, @fd}, @generic='O']}, 0x1c}], 0x1}, 0x0) 13:28:22 executing program 5: seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000000)={0x1, &(0x7f0000000100)=[{0x6, 0x0, 0x0, 0x7fff0000}]}) accept4$inet(0xffffffffffffffff, 0x0, 0x0, 0x0) 13:28:22 executing program 6: r0 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$TIOCGSERIAL(r0, 0x540d, 0x0) 13:28:22 executing program 7: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x101042, 0x0) perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0481273, 0x0) ioctl$EXT4_IOC_GROUP_EXTEND(r0, 0x40086607, &(0x7f0000000380)=0x100000001) [ 71.323164] audit: type=1400 audit(1663939702.426:6): avc: denied { execmem } for pid=287 comm="syz-executor.1" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 72.639890] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 72.644333] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 72.645819] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 72.659102] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 72.660710] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 72.661947] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 72.663157] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 72.664704] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 72.666023] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 72.667873] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 72.670591] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 72.672390] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 72.673767] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 72.675283] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 72.676968] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 72.678154] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 72.679295] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 72.680610] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 72.681570] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 72.681883] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 72.687103] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 72.687410] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 72.691913] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 72.692104] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 72.693211] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 72.695599] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 72.696315] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 72.701692] Bluetooth: hci7: HCI_REQ-0x0c1a [ 72.703806] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 72.703888] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 72.707508] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 72.713185] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 72.713209] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 72.715592] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 72.715656] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 72.718379] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 72.723295] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 72.724453] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 72.724501] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 72.727968] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 72.730648] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 72.736622] Bluetooth: hci2: HCI_REQ-0x0c1a [ 72.737099] Bluetooth: hci5: HCI_REQ-0x0c1a [ 72.741026] Bluetooth: hci1: HCI_REQ-0x0c1a [ 72.742075] Bluetooth: hci3: HCI_REQ-0x0c1a [ 72.751335] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 72.755405] Bluetooth: hci4: HCI_REQ-0x0c1a [ 72.756275] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 72.769726] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 72.772270] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 72.775330] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 72.781592] Bluetooth: hci6: HCI_REQ-0x0c1a [ 72.790320] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 72.792508] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 72.793886] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 72.798243] Bluetooth: hci0: HCI_REQ-0x0c1a [ 74.753662] Bluetooth: hci1: command 0x0409 tx timeout [ 74.753763] Bluetooth: hci2: command 0x0409 tx timeout [ 74.754530] Bluetooth: hci3: command 0x0409 tx timeout [ 74.755556] Bluetooth: hci7: command 0x0409 tx timeout [ 74.817093] Bluetooth: hci4: command 0x0409 tx timeout [ 74.818413] Bluetooth: hci5: command 0x0409 tx timeout [ 74.819511] Bluetooth: hci0: command 0x0409 tx timeout [ 74.820424] Bluetooth: hci6: command 0x0409 tx timeout [ 76.801096] Bluetooth: hci3: command 0x041b tx timeout [ 76.801661] Bluetooth: hci2: command 0x041b tx timeout [ 76.802200] Bluetooth: hci7: command 0x041b tx timeout [ 76.802672] Bluetooth: hci1: command 0x041b tx timeout [ 76.865145] Bluetooth: hci6: command 0x041b tx timeout [ 76.865640] Bluetooth: hci0: command 0x041b tx timeout [ 76.866154] Bluetooth: hci5: command 0x041b tx timeout [ 76.866625] Bluetooth: hci4: command 0x041b tx timeout [ 78.849100] Bluetooth: hci1: command 0x040f tx timeout [ 78.849714] Bluetooth: hci7: command 0x040f tx timeout [ 78.850295] Bluetooth: hci2: command 0x040f tx timeout [ 78.850829] Bluetooth: hci3: command 0x040f tx timeout [ 78.913123] Bluetooth: hci4: command 0x040f tx timeout [ 78.913701] Bluetooth: hci5: command 0x040f tx timeout [ 78.914221] Bluetooth: hci0: command 0x040f tx timeout [ 78.914752] Bluetooth: hci6: command 0x040f tx timeout [ 80.897290] Bluetooth: hci3: command 0x0419 tx timeout [ 80.898163] Bluetooth: hci2: command 0x0419 tx timeout [ 80.898899] Bluetooth: hci7: command 0x0419 tx timeout [ 80.899681] Bluetooth: hci1: command 0x0419 tx timeout [ 80.961130] Bluetooth: hci6: command 0x0419 tx timeout [ 80.961929] Bluetooth: hci0: command 0x0419 tx timeout [ 80.963264] Bluetooth: hci5: command 0x0419 tx timeout [ 80.964009] Bluetooth: hci4: command 0x0419 tx timeout 13:29:19 executing program 1: ioctl$TIOCL_SCROLLCONSOLE(0xffffffffffffffff, 0x541c, &(0x7f0000000000)) r0 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$VT_GETMODE(r0, 0x5601, &(0x7f0000000100)) 13:29:19 executing program 1: getgroups(0x2, &(0x7f0000000180)=[0xee01, 0xffffffffffffffff]) setgroups(0x2, &(0x7f00000005c0)=[0x0, r0]) 13:29:19 executing program 1: semctl$IPC_STAT(0x0, 0x0, 0x2, &(0x7f0000000000)=""/62) getresgid(&(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0)) [ 128.779051] audit: type=1400 audit(1663939759.882:7): avc: denied { open } for pid=3789 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 128.780619] audit: type=1400 audit(1663939759.883:8): avc: denied { kernel } for pid=3789 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 128.796862] ------------[ cut here ]------------ [ 128.796893] [ 128.796898] ====================================================== [ 128.796903] WARNING: possible circular locking dependency detected [ 128.796909] 6.0.0-rc6-next-20220923 #1 Not tainted [ 128.796920] ------------------------------------------------------ [ 128.796925] syz-executor.3/3792 is trying to acquire lock: [ 128.796935] ffffffff853faaf8 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70 [ 128.796997] [ 128.796997] but task is already holding lock: [ 128.797001] ffff88800df7bc20 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 128.797045] [ 128.797045] which lock already depends on the new lock. [ 128.797045] [ 128.797049] [ 128.797049] the existing dependency chain (in reverse order) is: [ 128.797054] [ 128.797054] -> #3 (&ctx->lock){....}-{2:2}: [ 128.797076] _raw_spin_lock+0x2a/0x40 [ 128.797105] __perf_event_task_sched_out+0x53b/0x18d0 [ 128.797125] __schedule+0xedd/0x2470 [ 128.797146] schedule+0xda/0x1b0 [ 128.797167] exit_to_user_mode_prepare+0x114/0x1a0 [ 128.797185] syscall_exit_to_user_mode+0x19/0x40 [ 128.797204] do_syscall_64+0x48/0x90 [ 128.797230] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 128.797249] [ 128.797249] -> #2 (&rq->__lock){-.-.}-{2:2}: [ 128.797271] _raw_spin_lock_nested+0x30/0x40 [ 128.797299] raw_spin_rq_lock_nested+0x1e/0x30 [ 128.797319] task_fork_fair+0x63/0x4d0 [ 128.797345] sched_cgroup_fork+0x3d0/0x540 [ 128.797366] copy_process+0x4183/0x6e20 [ 128.797382] kernel_clone+0xe7/0x890 [ 128.797397] user_mode_thread+0xad/0xf0 [ 128.797413] rest_init+0x24/0x250 [ 128.797430] arch_call_rest_init+0xf/0x14 [ 128.797457] start_kernel+0x4c1/0x4e6 [ 128.797481] secondary_startup_64_no_verify+0xe0/0xeb [ 128.797503] [ 128.797503] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 128.797524] _raw_spin_lock_irqsave+0x39/0x60 [ 128.797553] try_to_wake_up+0xab/0x1930 [ 128.797574] up+0x75/0xb0 [ 128.797595] __up_console_sem+0x6e/0x80 [ 128.797620] console_unlock+0x46a/0x590 [ 128.797644] con_install+0x14e/0x5d0 [ 128.797662] tty_init_dev.part.0+0xa0/0x610 [ 128.797682] tty_open+0xbc0/0x1370 [ 128.797700] chrdev_open+0x268/0x6e0 [ 128.797721] do_dentry_open+0x6ca/0x12b0 [ 128.797742] path_openat+0x19e1/0x2800 [ 128.797760] do_filp_open+0x1b6/0x410 [ 128.797778] do_sys_openat2+0x171/0x4c0 [ 128.797801] __x64_sys_openat+0x13f/0x1f0 [ 128.797825] do_syscall_64+0x3b/0x90 [ 128.797851] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 128.797870] [ 128.797870] -> #0 ((console_sem).lock){....}-{2:2}: [ 128.797892] __lock_acquire+0x2a02/0x5e70 [ 128.797918] lock_acquire+0x1a2/0x530 [ 128.797942] _raw_spin_lock_irqsave+0x39/0x60 [ 128.797971] down_trylock+0xe/0x70 [ 128.797994] __down_trylock_console_sem+0x3b/0xd0 [ 128.798019] vprintk_emit+0x16b/0x560 [ 128.798045] vprintk+0x84/0xa0 [ 128.798069] _printk+0xba/0xf1 [ 128.798086] report_bug.cold+0x72/0xab [ 128.798111] handle_bug+0x3c/0x70 [ 128.798137] exc_invalid_op+0x14/0x50 [ 128.798163] asm_exc_invalid_op+0x16/0x20 [ 128.798181] group_sched_out.part.0+0x2c7/0x460 [ 128.798198] ctx_sched_out+0x8f1/0xc10 [ 128.798213] __perf_event_task_sched_out+0x6d0/0x18d0 [ 128.798233] __schedule+0xedd/0x2470 [ 128.798254] schedule+0xda/0x1b0 [ 128.798298] exit_to_user_mode_prepare+0x114/0x1a0 [ 128.798316] syscall_exit_to_user_mode+0x19/0x40 [ 128.798335] do_syscall_64+0x48/0x90 [ 128.798360] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 128.798380] [ 128.798380] other info that might help us debug this: [ 128.798380] [ 128.798384] Chain exists of: [ 128.798384] (console_sem).lock --> &rq->__lock --> &ctx->lock [ 128.798384] [ 128.798407] Possible unsafe locking scenario: [ 128.798407] [ 128.798411] CPU0 CPU1 [ 128.798414] ---- ---- [ 128.798418] lock(&ctx->lock); [ 128.798427] lock(&rq->__lock); [ 128.798437] lock(&ctx->lock); [ 128.798446] lock((console_sem).lock); [ 128.798456] [ 128.798456] *** DEADLOCK *** [ 128.798456] [ 128.798458] 2 locks held by syz-executor.3/3792: [ 128.798469] #0: ffff88806ce37d18 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470 [ 128.798515] #1: ffff88800df7bc20 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 128.798559] [ 128.798559] stack backtrace: [ 128.798563] CPU: 0 PID: 3792 Comm: syz-executor.3 Not tainted 6.0.0-rc6-next-20220923 #1 [ 128.798583] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 128.798596] Call Trace: [ 128.798600] [ 128.798607] dump_stack_lvl+0x8b/0xb3 [ 128.798635] check_noncircular+0x263/0x2e0 [ 128.798661] ? format_decode+0x26c/0xb50 [ 128.798686] ? print_circular_bug+0x450/0x450 [ 128.798713] ? enable_ptr_key_workfn+0x20/0x20 [ 128.798738] ? perf_swevent_event+0x6c/0x550 [ 128.798767] ? format_decode+0x26c/0xb50 [ 128.798794] ? alloc_chain_hlocks+0x1ec/0x5a0 [ 128.798822] __lock_acquire+0x2a02/0x5e70 [ 128.798856] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 128.798892] lock_acquire+0x1a2/0x530 [ 128.798918] ? down_trylock+0xe/0x70 [ 128.798944] ? lock_release+0x750/0x750 [ 128.798977] ? vprintk+0x84/0xa0 [ 128.799005] _raw_spin_lock_irqsave+0x39/0x60 [ 128.799035] ? down_trylock+0xe/0x70 [ 128.799060] down_trylock+0xe/0x70 [ 128.799084] ? vprintk+0x84/0xa0 [ 128.799110] __down_trylock_console_sem+0x3b/0xd0 [ 128.799138] vprintk_emit+0x16b/0x560 [ 128.799167] vprintk+0x84/0xa0 [ 128.799195] _printk+0xba/0xf1 [ 128.799212] ? record_print_text.cold+0x16/0x16 [ 128.799237] ? report_bug.cold+0x66/0xab [ 128.799265] ? group_sched_out.part.0+0x2c7/0x460 [ 128.799284] report_bug.cold+0x72/0xab [ 128.799313] handle_bug+0x3c/0x70 [ 128.799340] exc_invalid_op+0x14/0x50 [ 128.799368] asm_exc_invalid_op+0x16/0x20 [ 128.799387] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 128.799409] Code: 5e 41 5f e9 5b bb ef ff e8 56 bb ef ff 65 8b 1d 1b 26 ac 7e 31 ff 89 de e8 f6 b7 ef ff 85 db 0f 84 8a 00 00 00 e8 39 bb ef ff <0f> 0b e9 a5 fe ff ff e8 2d bb ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 128.799427] RSP: 0018:ffff888040657c48 EFLAGS: 00010006 [ 128.799441] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 128.799453] RDX: ffff88801ed1b580 RSI: ffffffff81564fb7 RDI: 0000000000000005 [ 128.799465] RBP: ffff888008668000 R08: 0000000000000005 R09: 0000000000000001 [ 128.799477] R10: 0000000000000000 R11: ffffffff865b001b R12: ffff88800df7bc00 [ 128.799489] R13: ffff88806ce3d140 R14: ffffffff8547d040 R15: 0000000000000002 [ 128.799506] ? group_sched_out.part.0+0x2c7/0x460 [ 128.799527] ? group_sched_out.part.0+0x2c7/0x460 [ 128.799548] ctx_sched_out+0x8f1/0xc10 [ 128.799569] __perf_event_task_sched_out+0x6d0/0x18d0 [ 128.799593] ? lock_is_held_type+0xd7/0x130 [ 128.799615] ? __perf_cgroup_move+0x160/0x160 [ 128.799634] ? set_next_entity+0x304/0x550 [ 128.799661] ? update_curr+0x267/0x740 [ 128.799690] ? lock_is_held_type+0xd7/0x130 [ 128.799712] __schedule+0xedd/0x2470 [ 128.799738] ? io_schedule_timeout+0x150/0x150 [ 128.799763] ? trace_rcu_dyntick+0x1a7/0x250 [ 128.799796] schedule+0xda/0x1b0 [ 128.799819] exit_to_user_mode_prepare+0x114/0x1a0 [ 128.799838] syscall_exit_to_user_mode+0x19/0x40 [ 128.799859] do_syscall_64+0x48/0x90 [ 128.799886] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 128.799907] RIP: 0033:0x7fd578d45b19 [ 128.799919] 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 [ 128.799937] RSP: 002b:00007fd5762bb218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 128.799954] RAX: 0000000000000001 RBX: 00007fd578e58f68 RCX: 00007fd578d45b19 [ 128.799966] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fd578e58f6c [ 128.799977] RBP: 00007fd578e58f60 R08: 000000000000000e R09: 0000000000000000 [ 128.799989] R10: 0000000000000004 R11: 0000000000000246 R12: 00007fd578e58f6c [ 128.800000] R13: 00007ffdfb0ee5ff R14: 00007fd5762bb300 R15: 0000000000022000 [ 128.800021] [ 128.886445] WARNING: CPU: 0 PID: 3792 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460 [ 128.887480] Modules linked in: [ 128.887846] CPU: 0 PID: 3792 Comm: syz-executor.3 Not tainted 6.0.0-rc6-next-20220923 #1 [ 128.888738] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 128.889986] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 128.890613] Code: 5e 41 5f e9 5b bb ef ff e8 56 bb ef ff 65 8b 1d 1b 26 ac 7e 31 ff 89 de e8 f6 b7 ef ff 85 db 0f 84 8a 00 00 00 e8 39 bb ef ff <0f> 0b e9 a5 fe ff ff e8 2d bb ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 128.892622] RSP: 0018:ffff888040657c48 EFLAGS: 00010006 [ 128.893212] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 128.893994] RDX: ffff88801ed1b580 RSI: ffffffff81564fb7 RDI: 0000000000000005 [ 128.894790] RBP: ffff888008668000 R08: 0000000000000005 R09: 0000000000000001 [ 128.895574] R10: 0000000000000000 R11: ffffffff865b001b R12: ffff88800df7bc00 [ 128.896363] R13: ffff88806ce3d140 R14: ffffffff8547d040 R15: 0000000000000002 [ 128.897172] FS: 00007fd5762bb700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 128.898081] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 128.898745] CR2: 00007fe4867818e0 CR3: 000000000d3d8000 CR4: 0000000000350ef0 [ 128.899531] Call Trace: [ 128.899824] [ 128.900084] ctx_sched_out+0x8f1/0xc10 [ 128.900526] __perf_event_task_sched_out+0x6d0/0x18d0 [ 128.901099] ? lock_is_held_type+0xd7/0x130 [ 128.901580] ? __perf_cgroup_move+0x160/0x160 [ 128.902087] ? set_next_entity+0x304/0x550 [ 128.902576] ? update_curr+0x267/0x740 [ 128.903026] ? lock_is_held_type+0xd7/0x130 [ 128.903510] __schedule+0xedd/0x2470 [ 128.903932] ? io_schedule_timeout+0x150/0x150 [ 128.904447] ? trace_rcu_dyntick+0x1a7/0x250 [ 128.904959] schedule+0xda/0x1b0 [ 128.905353] exit_to_user_mode_prepare+0x114/0x1a0 [ 128.905907] syscall_exit_to_user_mode+0x19/0x40 [ 128.906462] do_syscall_64+0x48/0x90 [ 128.906905] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 128.907478] RIP: 0033:0x7fd578d45b19 [ 128.907899] 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 [ 128.909879] RSP: 002b:00007fd5762bb218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 128.910724] RAX: 0000000000000001 RBX: 00007fd578e58f68 RCX: 00007fd578d45b19 [ 128.911499] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fd578e58f6c [ 128.912276] RBP: 00007fd578e58f60 R08: 000000000000000e R09: 0000000000000000 [ 128.913062] R10: 0000000000000004 R11: 0000000000000246 R12: 00007fd578e58f6c [ 128.913853] R13: 00007ffdfb0ee5ff R14: 00007fd5762bb300 R15: 0000000000022000 [ 128.914649] [ 128.914910] irq event stamp: 770 [ 128.915287] hardirqs last enabled at (769): [] exit_to_user_mode_prepare+0x109/0x1a0 [ 128.916294] hardirqs last disabled at (770): [] __schedule+0x1225/0x2470 [ 128.917206] softirqs last enabled at (498): [] __irq_exit_rcu+0x11b/0x180 [ 128.918132] softirqs last disabled at (479): [] __irq_exit_rcu+0x11b/0x180 [ 128.919073] ---[ end trace 0000000000000000 ]--- 13:29:20 executing program 1: ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000100)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xee00}}, './file0\x00'}) seccomp$SECCOMP_GET_NOTIF_SIZES(0x3, 0x0, &(0x7f0000000580)) 13:29:20 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000340)="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", 0x10a, 0x400}], 0x0, &(0x7f0000014a00)) 13:29:20 executing program 2: syz_emit_ethernet(0x32, &(0x7f0000000140)={@local, @multicast, @void, {@ipv4={0x800, @dccp={{0x5, 0x4, 0x0, 0x0, 0x24, 0x0, 0x0, 0x0, 0x21, 0x0, @multicast1, @multicast1}, {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, "6c5ea7"}}}}}}, 0x0) [ 129.091534] loop1: detected capacity change from 0 to 4 [ 129.100447] EXT4-fs: Warning: mounting with data=journal disables delayed allocation, dioread_nolock, O_DIRECT and fast_commit support! [ 129.101654] EXT4-fs (loop1): couldn't mount RDWR because of unsupported optional features (130a0000) 13:29:20 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000340)="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", 0x10a, 0x400}], 0x0, &(0x7f0000014a00)) 13:29:20 executing program 2: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_mreqn(r0, 0x0, 0x15, &(0x7f0000000100)={@multicast2, @local}, 0xc) [ 129.190905] loop1: detected capacity change from 0 to 4 [ 129.198326] EXT4-fs (loop1): couldn't mount RDWR because of unsupported optional features (130a0000) [ 130.792556] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 133.897758] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 133.900278] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 133.901767] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 133.903929] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 133.905581] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 133.906786] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 133.910158] Bluetooth: hci3: HCI_REQ-0x0c1a [ 135.937145] Bluetooth: hci3: command 0x0409 tx timeout [ 137.985028] Bluetooth: hci3: command 0x041b tx timeout VM DIAGNOSIS: 13:29:20 Registers: info registers vcpu 0 RAX=0000000000000079 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff822b17e1 RDI=ffffffff87645be0 RBP=ffffffff87645ba0 RSP=ffff888040657698 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000079 R11=0000000000000001 R12=0000000000000079 R13=ffffffff87645ba0 R14=0000000000000010 R15=ffffffff822b17d0 RIP=ffffffff822b1839 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 00007fd5762bb700 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=00007fe4867818e0 CR3=000000000d3d8000 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 00007fd578e2c7c0 00007fd578e2c7c8 YMM02=0000000000000000 0000000000000000 00007fd578e2c7e0 00007fd578e2c7c0 YMM03=0000000000000000 0000000000000000 00007fd578e2c7c8 00007fd578e2c7c0 YMM04=0000000000000000 0000000000000000 ffffffffffffffff ffffffff00000000 YMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM06=0000000000000000 0000000000000000 0000000000000000 000000524f525245 YMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM08=0000000000000000 0000000000000000 0000000000000000 00524f5252450040 YMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=0000000080000000 RCX=ffffffff816b2b29 RDX=ffff88801893b580 RSI=0000000000000000 RDI=0000000000000005 RBP=ffff88806cf342c0 RSP=ffff8880404d78d8 R8 =0000000000000005 R9 =0000000000000000 R10=0000000080000000 R11=0000000000000001 R12=ffff88806cf342e8 R13=0000000000000000 R14=ffff88801893b580 R15=ffff88801bd25f20 RIP=ffffffff8146068c RFL=00000246 [---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 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=00007ff160b69368 CR3=000000000fa28000 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 756e696c2d34365f 3638782f62696c2f YMM01=0000000000000000 0000000000000000 322e6f732e6c6462 696c2f756e672d78 YMM02=0000000000000000 0000000000000000 00322e6f732e6c64 62696c2f756e672d YMM03=0000000000000000 0000000000000000 78756e696c2d3436 5f3638782f62696c 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