Warning: Permanently added '[localhost]:53324' (ECDSA) to the list of known hosts. 2022/09/12 17:26:52 fuzzer started 2022/09/12 17:26:53 dialing manager at localhost:38027 syzkaller login: [ 44.111566] cgroup: Unknown subsys name 'net' [ 44.218224] cgroup: Unknown subsys name 'rlimit' 2022/09/12 17:27:07 syscalls: 2215 2022/09/12 17:27:07 code coverage: enabled 2022/09/12 17:27:07 comparison tracing: enabled 2022/09/12 17:27:07 extra coverage: enabled 2022/09/12 17:27:07 setuid sandbox: enabled 2022/09/12 17:27:07 namespace sandbox: enabled 2022/09/12 17:27:07 Android sandbox: enabled 2022/09/12 17:27:07 fault injection: enabled 2022/09/12 17:27:07 leak checking: enabled 2022/09/12 17:27:07 net packet injection: enabled 2022/09/12 17:27:07 net device setup: enabled 2022/09/12 17:27:07 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/09/12 17:27:07 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/09/12 17:27:07 USB emulation: enabled 2022/09/12 17:27:07 hci packet injection: enabled 2022/09/12 17:27:07 wifi device emulation: failed to parse kernel version (6.0.0-rc5-next-20220912) 2022/09/12 17:27:07 802.15.4 emulation: enabled 2022/09/12 17:27:07 fetching corpus: 0, signal 0/2000 (executing program) 2022/09/12 17:27:07 fetching corpus: 50, signal 31256/34764 (executing program) 2022/09/12 17:27:07 fetching corpus: 100, signal 42391/47404 (executing program) 2022/09/12 17:27:07 fetching corpus: 150, signal 54459/60783 (executing program) 2022/09/12 17:27:08 fetching corpus: 200, signal 61872/69502 (executing program) 2022/09/12 17:27:08 fetching corpus: 250, signal 70391/79117 (executing program) 2022/09/12 17:27:08 fetching corpus: 300, signal 75800/85736 (executing program) 2022/09/12 17:27:08 fetching corpus: 350, signal 79388/90555 (executing program) 2022/09/12 17:27:08 fetching corpus: 400, signal 85451/97573 (executing program) 2022/09/12 17:27:08 fetching corpus: 450, signal 91114/104113 (executing program) 2022/09/12 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249422/260314 (executing program) 2022/09/12 17:27:31 starting 8 fuzzer processes 17:27:31 executing program 1: r0 = openat$pidfd(0xffffffffffffff9c, &(0x7f0000002980), 0x0, 0x0) pidfd_send_signal(r0, 0x0, &(0x7f00000029c0)={0x15, 0x0, 0x9}, 0x0) 17:27:31 executing program 3: r0 = add_key$keyring(&(0x7f0000000480), &(0x7f00000004c0)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffffe) r1 = add_key$keyring(&(0x7f0000000280), &(0x7f0000000540)={'syz', 0x3}, 0x0, 0x0, r0) r2 = add_key$keyring(&(0x7f0000000240), &(0x7f0000000500)={'syz', 0x3}, 0x0, 0x0, r1) r3 = add_key$keyring(&(0x7f0000000600), &(0x7f0000000640)={'syz', 0x3}, 0x0, 0x0, r0) keyctl$search(0xa, r3, &(0x7f0000000680)='encrypted\x00', &(0x7f00000006c0)={'syz', 0x1}, r2) 17:27:31 executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x101042, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0, 0x0) fsetxattr$system_posix_acl(r0, &(0x7f0000000000)='system.posix_acl_default\x00', &(0x7f0000000300), 0x24, 0x0) 17:27:31 executing program 2: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r1 = socket$nl_audit(0x10, 0x3, 0x9) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000340)={'sit0\x00', 0x0}) sendmsg$inet(r0, &(0x7f0000000780)={&(0x7f0000000000)={0x2, 0x0, @multicast1}, 0x10, &(0x7f0000000500)=[{&(0x7f0000000240)="0faa", 0xffeb}], 0x1, &(0x7f0000000700)=[@ip_pktinfo={{0x1c, 0x0, 0x8, {r2, @remote, @broadcast}}}], 0x20}, 0x0) 17:27:31 executing program 4: perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0x9d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = fork() tkill(r0, 0x16) [ 82.737455] audit: type=1400 audit(1663003651.947:6): avc: denied { execmem } for pid=285 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 17:27:31 executing program 5: r0 = add_key$keyring(&(0x7f0000000240), &(0x7f0000000280)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffffd) r1 = add_key$keyring(&(0x7f0000000180), &(0x7f0000000300)={'syz', 0x1}, 0x0, 0x0, r0) r2 = add_key(&(0x7f0000000000)='dns_resolver\x00', &(0x7f0000000380)={'syz', 0x1}, &(0x7f00000003c0)="18419cc68448de3ae8f97ea6a46d823d4f19cecbf569a58b79851d91f3da031fecf4dfebf4ac3b13988a048b4e35761cb05a5d5b28e1ca6ceebae02cbbf7e894098749d5f99cb226f14f00b6034bfb02a7a5af409f531820bd319b9d7c3405022b550d32ad368fdbbddb8ed631d1dde9a4ed", 0xff10, r1) keyctl$chown(0x4, r2, 0xee00, 0x0) 17:27:31 executing program 6: sendmsg$NL802154_CMD_SET_BACKOFF_EXPONENT(0xffffffffffffffff, 0x0, 0x0) r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000280), 0x0, 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) 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={&(0x7f0000000100), 0x4}, 0x40210}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_io_uring_setup(0x0, &(0x7f0000000000)={0x0, 0x0, 0x2, 0x0, 0x39a}, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffe000/0x1000)=nil, 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000000)={'rose0\x00'}) r1 = syz_io_uring_setup(0x1, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, &(0x7f00000a0000)=nil, &(0x7f00000b0000)=nil, &(0x7f0000000100), &(0x7f0000000140)) io_uring_enter(r1, 0x2bd, 0x0, 0x0, 0x0, 0x0) r2 = socket$inet6_udplite(0xa, 0x2, 0x88) syz_io_uring_submit(0x0, 0x0, &(0x7f0000000000)=@IORING_OP_CONNECT={0x10, 0x0, 0x0, r2, 0x0, 0x0}, 0x0) ioctl$FIONCLEX(r1, 0x5450) 17:27:31 executing program 7: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1036e1, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x40086602, &(0x7f0000000100)={0x69}) mmap(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x0, 0x11, r0, 0x0) [ 83.975457] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 83.977095] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 83.978314] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 83.981086] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 83.982762] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 83.984160] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 83.987846] Bluetooth: hci0: HCI_REQ-0x0c1a [ 84.017346] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 84.019008] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 84.020274] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 84.022958] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 84.023947] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 84.026028] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 84.027772] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 84.029271] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 84.029900] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 84.030668] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 84.031475] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 84.033118] Bluetooth: hci1: HCI_REQ-0x0c1a [ 84.033613] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 84.066395] Bluetooth: hci2: HCI_REQ-0x0c1a [ 84.114539] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 84.117441] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 84.120374] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 84.135239] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 84.162389] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 84.163630] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 84.169402] Bluetooth: hci3: HCI_REQ-0x0c1a [ 84.177722] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 84.185219] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 84.194070] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 84.199099] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 84.200725] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 84.210196] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 84.211931] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 84.217101] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 84.218091] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 84.222548] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 84.223669] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 84.225552] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 84.226577] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 84.230112] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 84.231220] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 84.243926] Bluetooth: hci5: HCI_REQ-0x0c1a [ 84.244675] Bluetooth: hci6: HCI_REQ-0x0c1a [ 84.267424] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 84.269641] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 84.270990] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 84.275250] Bluetooth: hci4: HCI_REQ-0x0c1a [ 84.282434] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 84.289426] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 84.291167] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 84.294428] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 84.296425] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 84.297718] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 84.305924] Bluetooth: hci7: HCI_REQ-0x0c1a [ 86.049209] Bluetooth: hci1: command 0x0409 tx timeout [ 86.049784] Bluetooth: hci0: command 0x0409 tx timeout [ 86.112904] Bluetooth: hci2: command 0x0409 tx timeout [ 86.240872] Bluetooth: hci3: command 0x0409 tx timeout [ 86.304869] Bluetooth: hci5: command 0x0409 tx timeout [ 86.304909] Bluetooth: hci4: command 0x0409 tx timeout [ 86.306079] Bluetooth: hci6: command 0x0409 tx timeout [ 86.368858] Bluetooth: hci7: command 0x0409 tx timeout [ 88.097903] Bluetooth: hci0: command 0x041b tx timeout [ 88.098446] Bluetooth: hci1: command 0x041b tx timeout [ 88.160931] Bluetooth: hci2: command 0x041b tx timeout [ 88.289917] Bluetooth: hci3: command 0x041b tx timeout [ 88.353905] Bluetooth: hci6: command 0x041b tx timeout [ 88.354436] Bluetooth: hci4: command 0x041b tx timeout [ 88.354921] Bluetooth: hci5: command 0x041b tx timeout [ 88.416843] Bluetooth: hci7: command 0x041b tx timeout [ 90.144910] Bluetooth: hci1: command 0x040f tx timeout [ 90.145693] Bluetooth: hci0: command 0x040f tx timeout [ 90.209363] Bluetooth: hci2: command 0x040f tx timeout [ 90.337849] Bluetooth: hci3: command 0x040f tx timeout [ 90.401861] Bluetooth: hci5: command 0x040f tx timeout [ 90.402375] Bluetooth: hci4: command 0x040f tx timeout [ 90.402828] Bluetooth: hci6: command 0x040f tx timeout [ 90.464879] Bluetooth: hci7: command 0x040f tx timeout [ 92.192937] Bluetooth: hci0: command 0x0419 tx timeout [ 92.193468] Bluetooth: hci1: command 0x0419 tx timeout [ 92.256850] Bluetooth: hci2: command 0x0419 tx timeout [ 92.384855] Bluetooth: hci3: command 0x0419 tx timeout [ 92.448914] Bluetooth: hci6: command 0x0419 tx timeout [ 92.449370] Bluetooth: hci4: command 0x0419 tx timeout [ 92.450338] Bluetooth: hci5: command 0x0419 tx timeout [ 92.512860] Bluetooth: hci7: command 0x0419 tx timeout 17:28:30 executing program 7: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1036e1, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x40086602, &(0x7f0000000100)={0x69}) mmap(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x0, 0x11, r0, 0x0) 17:28:30 executing program 7: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1036e1, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x40086602, &(0x7f0000000100)={0x69}) mmap(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x0, 0x11, r0, 0x0) 17:28:30 executing program 7: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1036e1, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x40086602, &(0x7f0000000100)={0x69}) mmap(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x0, 0x11, r0, 0x0) 17:28:30 executing program 7: r0 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r0, &(0x7f0000000040)={0x2, 0x4e20, @empty}, 0x10) syz_emit_ethernet(0x2a, &(0x7f0000000080)={@local, @empty, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @empty}, {0x0, 0x4e20, 0x8}}}}}, 0x0) clock_gettime(0x0, &(0x7f0000007e00)) recvmmsg(r0, &(0x7f0000007c00)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, 0x0}}], 0x2, 0x2, 0x0) 17:28:30 executing program 7: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/shm\x00', 0x0, 0x0) close_range(r0, 0xffffffffffffffff, 0x0) [ 141.386585] audit: type=1400 audit(1663003710.596:7): avc: denied { open } for pid=3834 comm="syz-executor.6" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 141.388087] audit: type=1400 audit(1663003710.596:8): avc: denied { kernel } for pid=3834 comm="syz-executor.6" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 141.407095] ------------[ cut here ]------------ [ 141.407129] [ 141.407134] ====================================================== [ 141.407141] WARNING: possible circular locking dependency detected [ 141.407148] 6.0.0-rc5-next-20220912 #1 Not tainted [ 141.407159] ------------------------------------------------------ [ 141.407165] syz-executor.6/3835 is trying to acquire lock: [ 141.407177] ffffffff853fa878 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70 [ 141.407239] [ 141.407239] but task is already holding lock: [ 141.407244] ffff888036986020 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 141.407294] [ 141.407294] which lock already depends on the new lock. [ 141.407294] [ 141.407300] [ 141.407300] the existing dependency chain (in reverse order) is: [ 141.407306] [ 141.407306] -> #3 (&ctx->lock){....}-{2:2}: [ 141.407331] _raw_spin_lock+0x2a/0x40 [ 141.407360] __perf_event_task_sched_out+0x53b/0x18d0 [ 141.407383] __schedule+0xedd/0x2470 [ 141.407401] schedule+0xda/0x1b0 [ 141.407418] exit_to_user_mode_prepare+0x114/0x1a0 [ 141.407456] syscall_exit_to_user_mode+0x19/0x40 [ 141.407488] do_syscall_64+0x48/0x90 [ 141.407513] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 141.407544] [ 141.407544] -> #2 (&rq->__lock){-.-.}-{2:2}: [ 141.407570] _raw_spin_lock_nested+0x30/0x40 [ 141.407597] raw_spin_rq_lock_nested+0x1e/0x30 [ 141.407620] task_fork_fair+0x63/0x4d0 [ 141.407652] sched_cgroup_fork+0x3d0/0x540 [ 141.407679] copy_process+0x3f9e/0x6df0 [ 141.407697] kernel_clone+0xe7/0x890 [ 141.407715] user_mode_thread+0xad/0xf0 [ 141.407734] rest_init+0x24/0x250 [ 141.407764] arch_call_rest_init+0xf/0x14 [ 141.407798] start_kernel+0x4c1/0x4e6 [ 141.407829] secondary_startup_64_no_verify+0xe0/0xeb [ 141.407855] [ 141.407855] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 141.407880] _raw_spin_lock_irqsave+0x39/0x60 [ 141.407907] try_to_wake_up+0xab/0x1920 [ 141.407932] up+0x75/0xb0 [ 141.407953] __up_console_sem+0x6e/0x80 [ 141.407983] console_unlock+0x46a/0x590 [ 141.408013] vt_ioctl+0x2822/0x2ca0 [ 141.408035] tty_ioctl+0x7c4/0x1700 [ 141.408055] __x64_sys_ioctl+0x19a/0x210 [ 141.408082] do_syscall_64+0x3b/0x90 [ 141.408106] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 141.408137] [ 141.408137] -> #0 ((console_sem).lock){....}-{2:2}: [ 141.408162] __lock_acquire+0x2a02/0x5e70 [ 141.408193] lock_acquire+0x1a2/0x530 [ 141.408223] _raw_spin_lock_irqsave+0x39/0x60 [ 141.408251] down_trylock+0xe/0x70 [ 141.408274] __down_trylock_console_sem+0x3b/0xd0 [ 141.408304] vprintk_emit+0x16b/0x560 [ 141.408335] vprintk+0x84/0xa0 [ 141.408366] _printk+0xba/0xf1 [ 141.408397] report_bug.cold+0x72/0xab [ 141.408420] handle_bug+0x3c/0x70 [ 141.408443] exc_invalid_op+0x14/0x50 [ 141.408467] asm_exc_invalid_op+0x16/0x20 [ 141.408497] group_sched_out.part.0+0x2c7/0x460 [ 141.408527] ctx_sched_out+0x8f1/0xc10 [ 141.408544] __perf_event_task_sched_out+0x6d0/0x18d0 [ 141.408567] __schedule+0xedd/0x2470 [ 141.408584] schedule+0xda/0x1b0 [ 141.408601] exit_to_user_mode_prepare+0x114/0x1a0 [ 141.408637] syscall_exit_to_user_mode+0x19/0x40 [ 141.408669] do_syscall_64+0x48/0x90 [ 141.408692] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 141.408723] [ 141.408723] other info that might help us debug this: [ 141.408723] [ 141.408729] Chain exists of: [ 141.408729] (console_sem).lock --> &rq->__lock --> &ctx->lock [ 141.408729] [ 141.408756] Possible unsafe locking scenario: [ 141.408756] [ 141.408761] CPU0 CPU1 [ 141.408765] ---- ---- [ 141.408769] lock(&ctx->lock); [ 141.408779] lock(&rq->__lock); [ 141.408791] lock(&ctx->lock); [ 141.408803] lock((console_sem).lock); [ 141.408813] [ 141.408813] *** DEADLOCK *** [ 141.408813] [ 141.408817] 2 locks held by syz-executor.6/3835: [ 141.408829] #0: ffff88806ce37cd8 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470 [ 141.408876] #1: ffff888036986020 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 141.408927] [ 141.408927] stack backtrace: [ 141.408932] CPU: 0 PID: 3835 Comm: syz-executor.6 Not tainted 6.0.0-rc5-next-20220912 #1 [ 141.408955] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 141.408970] Call Trace: [ 141.408976] [ 141.408983] dump_stack_lvl+0x8b/0xb3 [ 141.409009] check_noncircular+0x263/0x2e0 [ 141.409041] ? format_decode+0x26c/0xb50 [ 141.409067] ? print_circular_bug+0x450/0x450 [ 141.409100] ? enable_ptr_key_workfn+0x20/0x20 [ 141.409127] ? format_decode+0x26c/0xb50 [ 141.409155] ? alloc_chain_hlocks+0x1ec/0x5a0 [ 141.409189] __lock_acquire+0x2a02/0x5e70 [ 141.409230] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 141.409272] lock_acquire+0x1a2/0x530 [ 141.409304] ? down_trylock+0xe/0x70 [ 141.409331] ? rcu_read_unlock+0x40/0x40 [ 141.409371] ? vprintk+0x84/0xa0 [ 141.409405] _raw_spin_lock_irqsave+0x39/0x60 [ 141.409433] ? down_trylock+0xe/0x70 [ 141.409459] down_trylock+0xe/0x70 [ 141.409484] ? vprintk+0x84/0xa0 [ 141.409516] __down_trylock_console_sem+0x3b/0xd0 [ 141.409549] vprintk_emit+0x16b/0x560 [ 141.409585] vprintk+0x84/0xa0 [ 141.409619] _printk+0xba/0xf1 [ 141.409652] ? record_print_text.cold+0x16/0x16 [ 141.409693] ? report_bug.cold+0x66/0xab [ 141.409719] ? group_sched_out.part.0+0x2c7/0x460 [ 141.409740] report_bug.cold+0x72/0xab [ 141.409767] handle_bug+0x3c/0x70 [ 141.409792] exc_invalid_op+0x14/0x50 [ 141.409819] asm_exc_invalid_op+0x16/0x20 [ 141.409850] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 141.409875] 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 [ 141.409896] RSP: 0018:ffff888042457c48 EFLAGS: 00010006 [ 141.409913] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 141.409927] RDX: ffff888022039ac0 RSI: ffffffff81566027 RDI: 0000000000000005 [ 141.409941] RBP: ffff8880086605c8 R08: 0000000000000005 R09: 0000000000000001 [ 141.409955] R10: 0000000000000000 R11: ffffffff865aa01b R12: ffff888036986000 [ 141.409969] R13: ffff88806ce3d100 R14: ffffffff8547c7c0 R15: 0000000000000002 [ 141.409990] ? group_sched_out.part.0+0x2c7/0x460 [ 141.410014] ? group_sched_out.part.0+0x2c7/0x460 [ 141.410038] ctx_sched_out+0x8f1/0xc10 [ 141.410061] __perf_event_task_sched_out+0x6d0/0x18d0 [ 141.410090] ? lock_is_held_type+0xd7/0x130 [ 141.410124] ? __perf_cgroup_move+0x160/0x160 [ 141.410147] ? set_next_entity+0x304/0x550 [ 141.410180] ? update_curr+0x267/0x740 [ 141.410215] ? lock_is_held_type+0xd7/0x130 [ 141.410249] __schedule+0xedd/0x2470 [ 141.410273] ? io_schedule_timeout+0x150/0x150 [ 141.410296] ? rcu_read_lock_sched_held+0x3e/0x80 [ 141.410334] schedule+0xda/0x1b0 [ 141.410354] exit_to_user_mode_prepare+0x114/0x1a0 [ 141.410393] syscall_exit_to_user_mode+0x19/0x40 [ 141.410426] do_syscall_64+0x48/0x90 [ 141.410452] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 141.410484] RIP: 0033:0x7f9e644cbb19 [ 141.410500] 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 [ 141.410520] RSP: 002b:00007f9e61a41218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 141.410540] RAX: 0000000000000001 RBX: 00007f9e645def68 RCX: 00007f9e644cbb19 [ 141.410554] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f9e645def6c [ 141.410568] RBP: 00007f9e645def60 R08: 000000000000000e R09: 0000000000000000 [ 141.410582] R10: 0000000000000004 R11: 0000000000000246 R12: 00007f9e645def6c [ 141.410595] R13: 00007fffe70fd39f R14: 00007f9e61a41300 R15: 0000000000022000 [ 141.410619] [ 141.515771] WARNING: CPU: 0 PID: 3835 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460 [ 141.517030] Modules linked in: [ 141.517501] CPU: 0 PID: 3835 Comm: syz-executor.6 Not tainted 6.0.0-rc5-next-20220912 #1 [ 141.518654] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 141.520430] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 141.521321] 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 [ 141.524205] RSP: 0018:ffff888042457c48 EFLAGS: 00010006 [ 141.525142] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 141.526309] RDX: ffff888022039ac0 RSI: ffffffff81566027 RDI: 0000000000000005 [ 141.527366] RBP: ffff8880086605c8 R08: 0000000000000005 R09: 0000000000000001 [ 141.528575] R10: 0000000000000000 R11: ffffffff865aa01b R12: ffff888036986000 [ 141.529686] R13: ffff88806ce3d100 R14: ffffffff8547c7c0 R15: 0000000000000002 [ 141.530811] FS: 00007f9e61a41700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 141.532090] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 141.533023] CR2: 000000c00fad8000 CR3: 0000000015da2000 CR4: 0000000000350ef0 [ 141.534216] Call Trace: [ 141.534630] [ 141.534972] ctx_sched_out+0x8f1/0xc10 [ 141.535544] __perf_event_task_sched_out+0x6d0/0x18d0 [ 141.536302] ? lock_is_held_type+0xd7/0x130 [ 141.536954] ? __perf_cgroup_move+0x160/0x160 [ 141.537614] ? set_next_entity+0x304/0x550 [ 141.538194] ? update_curr+0x267/0x740 [ 141.538774] ? lock_is_held_type+0xd7/0x130 [ 141.539419] __schedule+0xedd/0x2470 [ 141.539966] ? io_schedule_timeout+0x150/0x150 [ 141.540637] ? rcu_read_lock_sched_held+0x3e/0x80 [ 141.541343] schedule+0xda/0x1b0 [ 141.541848] exit_to_user_mode_prepare+0x114/0x1a0 [ 141.542558] syscall_exit_to_user_mode+0x19/0x40 [ 141.543237] do_syscall_64+0x48/0x90 [ 141.543788] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 141.544569] RIP: 0033:0x7f9e644cbb19 [ 141.545111] 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 [ 141.547715] RSP: 002b:00007f9e61a41218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 141.548807] RAX: 0000000000000001 RBX: 00007f9e645def68 RCX: 00007f9e644cbb19 [ 141.549700] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f9e645def6c [ 141.550581] RBP: 00007f9e645def60 R08: 000000000000000e R09: 0000000000000000 [ 141.551486] R10: 0000000000000004 R11: 0000000000000246 R12: 00007f9e645def6c [ 141.552361] R13: 00007fffe70fd39f R14: 00007f9e61a41300 R15: 0000000000022000 [ 141.553434] [ 141.553779] irq event stamp: 812 [ 141.554268] hardirqs last enabled at (811): [] exit_to_user_mode_prepare+0x109/0x1a0 [ 141.555602] hardirqs last disabled at (812): [] __schedule+0x1225/0x2470 [ 141.556811] softirqs last enabled at (524): [] __irq_exit_rcu+0x11b/0x180 [ 141.558036] softirqs last disabled at (413): [] __irq_exit_rcu+0x11b/0x180 [ 141.559259] ---[ end trace 0000000000000000 ]--- 17:28:30 executing program 7: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/shm\x00', 0x0, 0x0) close_range(r0, 0xffffffffffffffff, 0x0) 17:28:30 executing program 7: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/shm\x00', 0x0, 0x0) close_range(r0, 0xffffffffffffffff, 0x0) 17:28:30 executing program 7: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/shm\x00', 0x0, 0x0) close_range(r0, 0xffffffffffffffff, 0x0) [ 147.104891] Bluetooth: hci0: Opcode 0x c03 failed: -110 [ 147.168833] Bluetooth: hci5: Opcode 0x c03 failed: -110 [ 151.328972] Bluetooth: hci0: Opcode 0x c03 failed: -110 [ 151.392832] Bluetooth: hci5: Opcode 0x c03 failed: -110 VM DIAGNOSIS: 17:28:30 Registers: info registers vcpu 0 RAX=0000000000000073 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff822b1e41 RDI=ffffffff8763fae0 RBP=ffffffff8763faa0 RSP=ffff888042457698 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000073 R11=0000000000000001 R12=0000000000000073 R13=ffffffff8763faa0 R14=0000000000000010 R15=ffffffff822b1e30 RIP=ffffffff822b1e99 RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f9e61a41700 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=000000c00fad8000 CR3=0000000015da2000 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 00007f9e645b27c0 00007f9e645b27c8 YMM02=0000000000000000 0000000000000000 00007f9e645b27e0 00007f9e645b27c0 YMM03=0000000000000000 0000000000000000 00007f9e645b27c8 00007f9e645b27c0 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=0000000000000002 RCX=0000000000000000 RDX=ffff8880413c3580 RSI=ffffffff815ac600 RDI=ffffffff848cc1e0 RBP=ffffffff848cc1e0 RSP=ffff88801a707c28 R8 =0000000000000000 R9 =ffff88806cf33b63 R10=ffffed100d9e676c R11=0000000000000001 R12=4000000000000000 R13=4000000000000002 R14=0000000000048f74 R15=ffffffff848cc1e0 RIP=ffffffff81461777 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 =0000 0000000000000000 00000000 00000000 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=00007f9fb4004540 CR3=000000001e51a000 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 000000ff00000000 00000000000000ff YMM01=0000000000000000 0000000000000000 ffffff0000ff00ff ffffffffffffff00 YMM02=0000000000000000 0000000000000000 494c4700362e322e 325f4342494c4700 YMM03=0000000000000000 0000000000000000 0000000000000000 0000000000004700 YMM04=0000000000000000 0000000000000000 4342494c4700362e 322e325f4342494c 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