Warning: Permanently added '[localhost]:23624' (ECDSA) to the list of known hosts. 2022/09/13 15:01:27 fuzzer started 2022/09/13 15:01:28 dialing manager at localhost:36597 syzkaller login: [ 44.386464] cgroup: Unknown subsys name 'net' [ 44.543130] cgroup: Unknown subsys name 'rlimit' 2022/09/13 15:01:42 syscalls: 2215 2022/09/13 15:01:42 code coverage: enabled 2022/09/13 15:01:42 comparison tracing: enabled 2022/09/13 15:01:42 extra coverage: enabled 2022/09/13 15:01:42 setuid sandbox: enabled 2022/09/13 15:01:42 namespace sandbox: enabled 2022/09/13 15:01:42 Android sandbox: enabled 2022/09/13 15:01:42 fault injection: enabled 2022/09/13 15:01:42 leak checking: enabled 2022/09/13 15:01:42 net packet injection: enabled 2022/09/13 15:01:42 net device setup: enabled 2022/09/13 15:01:42 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/09/13 15:01:42 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/09/13 15:01:42 USB emulation: enabled 2022/09/13 15:01:42 hci packet injection: enabled 2022/09/13 15:01:42 wifi device emulation: failed to parse kernel version (6.0.0-rc5-next-20220913) 2022/09/13 15:01:42 802.15.4 emulation: enabled 2022/09/13 15:01:42 fetching corpus: 0, signal 0/2000 (executing program) 2022/09/13 15:01:42 fetching corpus: 50, signal 24809/28382 (executing program) 2022/09/13 15:01:43 fetching corpus: 100, signal 39713/44651 (executing program) 2022/09/13 15:01:43 fetching corpus: 150, signal 49874/56037 (executing program) 2022/09/13 15:01:43 fetching corpus: 200, signal 61264/68460 (executing program) 2022/09/13 15:01:43 fetching corpus: 250, signal 66753/75146 (executing program) 2022/09/13 15:01:43 fetching corpus: 300, signal 71944/81449 (executing program) 2022/09/13 15:01:43 fetching corpus: 350, signal 78897/89275 (executing program) 2022/09/13 15:01:43 fetching corpus: 400, signal 82828/94243 (executing program) 2022/09/13 15:01:44 fetching corpus: 450, signal 87220/99519 (executing program) 2022/09/13 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fetching corpus: 5185, signal 219414/227441 (executing program) 2022/09/13 15:01:57 fetching corpus: 5185, signal 219414/227508 (executing program) 2022/09/13 15:01:57 fetching corpus: 5185, signal 219414/227567 (executing program) 2022/09/13 15:01:57 fetching corpus: 5185, signal 219414/227633 (executing program) 2022/09/13 15:01:57 fetching corpus: 5185, signal 219414/227719 (executing program) 2022/09/13 15:01:57 fetching corpus: 5185, signal 219414/227762 (executing program) 2022/09/13 15:01:57 fetching corpus: 5185, signal 219414/227762 (executing program) 2022/09/13 15:02:00 starting 8 fuzzer processes 15:02:00 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x26e1, 0x0) lseek(r0, 0xfffffffffffffffe, 0x3) 15:02:00 executing program 1: vmsplice(0xffffffffffffffff, &(0x7f0000000100), 0x0, 0x0) ioctl$sock_inet6_tcp_SIOCINQ(0xffffffffffffffff, 0x541b, 0x0) ioctl$FS_IOC_GETVERSION(0xffffffffffffffff, 0x80087601, &(0x7f0000000000)) r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x26e1, 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, 0xfdffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$FITRIM(r0, 0xc0185879, &(0x7f00000002c0)={0x0, 0x700000000}) 15:02:00 executing program 2: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x10, &(0x7f0000002fc0)={{{@in=@local, @in6=@ipv4={'\x00', '\xff\xff', @multicast2}}}, {{@in6=@dev}, 0x0, @in=@multicast1}}, 0xe8) 15:02:00 executing program 3: r0 = socket$inet6(0xa, 0x1, 0x0) getsockopt$inet6_tcp_int(r0, 0x6, 0x11, 0x0, &(0x7f0000000100)) 15:02:00 executing program 4: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) poll(&(0x7f0000000240)=[{r0, 0x404}], 0x1, 0xfffffffd) 15:02:00 executing program 5: perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0x76, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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) r0 = fsopen(&(0x7f0000000000)='hugetlbfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) 15:02:00 executing program 6: mlock2(&(0x7f0000ff7000/0x4000)=nil, 0x4000, 0x0) shmat(0xffffffffffffffff, &(0x7f0000fed000/0x13000)=nil, 0x0) perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0x80000001}, 0x0, 0x7ff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x3) perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, @perf_bp={&(0x7f0000000340), 0x9}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) finit_module(0xffffffffffffffff, 0x0, 0x3) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x41, 0x0) r0 = openat2(0xffffffffffffffff, 0x0, &(0x7f0000000300)={0x0, 0x21}, 0x18) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, 0xffffffffffffffff, &(0x7f0000000000)={0x50000000}) openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x26e1, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/snmp\x00') ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000000300)) mremap(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x2000, 0x3, &(0x7f0000ffa000/0x2000)=nil) 15:02:00 executing program 7: mkdir(&(0x7f0000003b80)='./file0\x00', 0x0) stat(&(0x7f0000000240)='./file0\x00', &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) setresuid(0x0, r0, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$sock_timeval(r1, 0x1, 0x4b, &(0x7f0000000000)={0x77359400}, 0x10) [ 76.583695] audit: type=1400 audit(1663081320.688:6): avc: denied { execmem } for pid=287 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 77.885520] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 77.889098] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 77.890605] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 77.894035] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 77.896406] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 77.898589] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 77.900347] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 77.902059] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 77.906957] Bluetooth: hci0: HCI_REQ-0x0c1a [ 77.911903] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 77.920805] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 77.922945] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 77.924265] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 77.938315] Bluetooth: hci1: HCI_REQ-0x0c1a [ 77.964904] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 77.966611] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 77.968472] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 77.969255] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 77.971479] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 77.975866] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 77.977045] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 77.977544] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 77.980264] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 77.980365] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 77.985994] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 77.986763] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 77.988249] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 77.993114] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 77.993846] Bluetooth: hci5: HCI_REQ-0x0c1a [ 77.994399] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 78.005502] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 78.005516] Bluetooth: hci4: HCI_REQ-0x0c1a [ 78.006881] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 78.019374] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 78.021148] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 78.022548] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 78.024173] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 78.032032] Bluetooth: hci2: HCI_REQ-0x0c1a [ 78.033382] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 78.036963] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 78.040906] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 78.054763] Bluetooth: hci7: HCI_REQ-0x0c1a [ 78.065392] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 78.078864] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 78.083969] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 78.090201] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 78.092411] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 78.093604] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 78.108728] Bluetooth: hci6: HCI_REQ-0x0c1a [ 79.954495] Bluetooth: hci1: command 0x0409 tx timeout [ 79.954495] Bluetooth: hci0: command 0x0409 tx timeout [ 79.955059] Bluetooth: hci3: Opcode 0x c03 failed: -110 [ 80.017717] Bluetooth: hci4: command 0x0409 tx timeout [ 80.018326] Bluetooth: hci5: command 0x0409 tx timeout [ 80.082357] Bluetooth: hci7: command 0x0409 tx timeout [ 80.083286] Bluetooth: hci2: command 0x0409 tx timeout [ 80.145719] Bluetooth: hci6: command 0x0409 tx timeout [ 82.001755] Bluetooth: hci0: command 0x041b tx timeout [ 82.003170] Bluetooth: hci1: command 0x041b tx timeout [ 82.065681] Bluetooth: hci5: command 0x041b tx timeout [ 82.066253] Bluetooth: hci4: command 0x041b tx timeout [ 82.129699] Bluetooth: hci2: command 0x041b tx timeout [ 82.130309] Bluetooth: hci7: command 0x041b tx timeout [ 82.194138] Bluetooth: hci6: command 0x041b tx timeout [ 82.925212] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 82.927885] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 82.932076] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 82.941861] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 82.944768] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 82.945478] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 82.948642] Bluetooth: hci3: HCI_REQ-0x0c1a [ 84.049774] Bluetooth: hci1: command 0x040f tx timeout [ 84.050255] Bluetooth: hci0: command 0x040f tx timeout [ 84.113719] Bluetooth: hci4: command 0x040f tx timeout [ 84.114215] Bluetooth: hci5: command 0x040f tx timeout [ 84.177711] Bluetooth: hci7: command 0x040f tx timeout [ 84.178171] Bluetooth: hci2: command 0x040f tx timeout [ 84.241826] Bluetooth: hci6: command 0x040f tx timeout [ 85.009712] Bluetooth: hci3: command 0x0409 tx timeout [ 86.097726] Bluetooth: hci0: command 0x0419 tx timeout [ 86.098219] Bluetooth: hci1: command 0x0419 tx timeout [ 86.161722] Bluetooth: hci5: command 0x0419 tx timeout [ 86.162140] Bluetooth: hci4: command 0x0419 tx timeout [ 86.225668] Bluetooth: hci2: command 0x0419 tx timeout [ 86.226077] Bluetooth: hci7: command 0x0419 tx timeout [ 86.290085] Bluetooth: hci6: command 0x0419 tx timeout [ 87.057662] Bluetooth: hci3: command 0x041b tx timeout [ 89.105788] Bluetooth: hci3: command 0x040f tx timeout [ 91.153748] Bluetooth: hci3: command 0x0419 tx timeout 15:02:57 executing program 3: r0 = socket$inet6(0xa, 0x1, 0x0) getsockopt$inet6_tcp_int(r0, 0x6, 0x11, 0x0, &(0x7f0000000100)) 15:02:57 executing program 3: r0 = socket$inet6(0xa, 0x1, 0x0) getsockopt$inet6_tcp_int(r0, 0x6, 0x11, 0x0, &(0x7f0000000100)) 15:02:57 executing program 3: r0 = socket$inet6(0xa, 0x1, 0x0) getsockopt$inet6_tcp_int(r0, 0x6, 0x11, 0x0, &(0x7f0000000100)) 15:02:57 executing program 3: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) bind$bt_hci(r1, &(0x7f0000000080)={0x1f, 0xffffffffffffffff, 0x3}, 0x6) write$bt_hci(r1, &(0x7f0000000100)=ANY=[@ANYBLOB='U'], 0x6) 15:02:57 executing program 2: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x10, &(0x7f0000002fc0)={{{@in=@local, @in6=@ipv4={'\x00', '\xff\xff', @multicast2}}}, {{@in6=@dev}, 0x0, @in=@multicast1}}, 0xe8) 15:02:57 executing program 3: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) bind$bt_hci(r1, &(0x7f0000000080)={0x1f, 0xffffffffffffffff, 0x3}, 0x6) write$bt_hci(r1, &(0x7f0000000100)=ANY=[@ANYBLOB='U'], 0x6) 15:02:58 executing program 2: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x10, &(0x7f0000002fc0)={{{@in=@local, @in6=@ipv4={'\x00', '\xff\xff', @multicast2}}}, {{@in6=@dev}, 0x0, @in=@multicast1}}, 0xe8) 15:02:58 executing program 3: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) bind$bt_hci(r1, &(0x7f0000000080)={0x1f, 0xffffffffffffffff, 0x3}, 0x6) write$bt_hci(r1, &(0x7f0000000100)=ANY=[@ANYBLOB='U'], 0x6) [ 136.289333] audit: type=1400 audit(1663081380.394:7): avc: denied { open } for pid=3951 comm="syz-executor.1" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 136.291709] audit: type=1400 audit(1663081380.394:8): avc: denied { kernel } for pid=3951 comm="syz-executor.1" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 136.300714] ------------[ cut here ]------------ [ 136.300741] [ 136.300745] ====================================================== [ 136.300749] WARNING: possible circular locking dependency detected [ 136.300753] 6.0.0-rc5-next-20220913 #1 Not tainted [ 136.300760] ------------------------------------------------------ [ 136.300763] syz-executor.1/3953 is trying to acquire lock: [ 136.300770] ffffffff853fa878 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70 [ 136.300809] [ 136.300809] but task is already holding lock: [ 136.300812] ffff88800f296420 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 136.300840] [ 136.300840] which lock already depends on the new lock. [ 136.300840] [ 136.300843] [ 136.300843] the existing dependency chain (in reverse order) is: [ 136.300846] [ 136.300846] -> #3 (&ctx->lock){....}-{2:2}: [ 136.300861] _raw_spin_lock+0x2a/0x40 [ 136.300878] __perf_event_task_sched_out+0x53b/0x18d0 [ 136.300891] __schedule+0xedd/0x2470 [ 136.300901] schedule+0xda/0x1b0 [ 136.300910] exit_to_user_mode_prepare+0x114/0x1a0 [ 136.300931] syscall_exit_to_user_mode+0x19/0x40 [ 136.300950] do_syscall_64+0x48/0x90 [ 136.300964] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 136.300982] [ 136.300982] -> #2 (&rq->__lock){-.-.}-{2:2}: [ 136.300995] _raw_spin_lock_nested+0x30/0x40 [ 136.301010] raw_spin_rq_lock_nested+0x1e/0x30 [ 136.301024] task_fork_fair+0x63/0x4d0 [ 136.301041] sched_cgroup_fork+0x3d0/0x540 [ 136.301056] copy_process+0x3f9e/0x6df0 [ 136.301067] kernel_clone+0xe7/0x890 [ 136.301076] user_mode_thread+0xad/0xf0 [ 136.301086] rest_init+0x24/0x250 [ 136.301103] arch_call_rest_init+0xf/0x14 [ 136.301123] start_kernel+0x4c1/0x4e6 [ 136.301140] secondary_startup_64_no_verify+0xe0/0xeb [ 136.301155] [ 136.301155] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 136.301168] _raw_spin_lock_irqsave+0x39/0x60 [ 136.301183] try_to_wake_up+0xab/0x1920 [ 136.301196] up+0x75/0xb0 [ 136.301208] __up_console_sem+0x6e/0x80 [ 136.301224] console_unlock+0x46a/0x590 [ 136.301240] vprintk_emit+0x1bd/0x560 [ 136.301257] vprintk+0x84/0xa0 [ 136.301274] _printk+0xba/0xf1 [ 136.301292] kauditd_hold_skb.cold+0x3f/0x4e [ 136.301306] kauditd_send_queue+0x233/0x290 [ 136.301321] kauditd_thread+0x5da/0x9a0 [ 136.301335] kthread+0x2ed/0x3a0 [ 136.301350] ret_from_fork+0x22/0x30 [ 136.301364] [ 136.301364] -> #0 ((console_sem).lock){....}-{2:2}: [ 136.301378] __lock_acquire+0x2a02/0x5e70 [ 136.301394] lock_acquire+0x1a2/0x530 [ 136.301410] _raw_spin_lock_irqsave+0x39/0x60 [ 136.301425] down_trylock+0xe/0x70 [ 136.301437] __down_trylock_console_sem+0x3b/0xd0 [ 136.301454] vprintk_emit+0x16b/0x560 [ 136.301470] vprintk+0x84/0xa0 [ 136.301487] _printk+0xba/0xf1 [ 136.301503] report_bug.cold+0x72/0xab [ 136.301515] handle_bug+0x3c/0x70 [ 136.301528] exc_invalid_op+0x14/0x50 [ 136.301541] asm_exc_invalid_op+0x16/0x20 [ 136.301558] group_sched_out.part.0+0x2c7/0x460 [ 136.301569] ctx_sched_out+0x8f1/0xc10 [ 136.301578] __perf_event_task_sched_out+0x6d0/0x18d0 [ 136.301590] __schedule+0xedd/0x2470 [ 136.301600] schedule+0xda/0x1b0 [ 136.301609] exit_to_user_mode_prepare+0x114/0x1a0 [ 136.301628] syscall_exit_to_user_mode+0x19/0x40 [ 136.301645] do_syscall_64+0x48/0x90 [ 136.301658] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 136.301675] [ 136.301675] other info that might help us debug this: [ 136.301675] [ 136.301678] Chain exists of: [ 136.301678] (console_sem).lock --> &rq->__lock --> &ctx->lock [ 136.301678] [ 136.301693] Possible unsafe locking scenario: [ 136.301693] [ 136.301695] CPU0 CPU1 [ 136.301698] ---- ---- [ 136.301700] lock(&ctx->lock); [ 136.301706] lock(&rq->__lock); [ 136.301712] lock(&ctx->lock); [ 136.301718] lock((console_sem).lock); [ 136.301724] [ 136.301724] *** DEADLOCK *** [ 136.301724] [ 136.301726] 2 locks held by syz-executor.1/3953: [ 136.301733] #0: ffff88806ce37cd8 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470 [ 136.301758] #1: ffff88800f296420 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 136.301785] [ 136.301785] stack backtrace: [ 136.301789] CPU: 0 PID: 3953 Comm: syz-executor.1 Not tainted 6.0.0-rc5-next-20220913 #1 [ 136.301802] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 136.301810] Call Trace: [ 136.301814] [ 136.301818] dump_stack_lvl+0x8b/0xb3 [ 136.301833] check_noncircular+0x263/0x2e0 [ 136.301867] ? format_decode+0x26c/0xb50 [ 136.301884] ? print_circular_bug+0x450/0x450 [ 136.301902] ? enable_ptr_key_workfn+0x20/0x20 [ 136.301915] ? __lockdep_reset_lock+0x180/0x180 [ 136.301932] ? format_decode+0x26c/0xb50 [ 136.301948] ? alloc_chain_hlocks+0x1ec/0x5a0 [ 136.301965] __lock_acquire+0x2a02/0x5e70 [ 136.301987] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 136.302010] lock_acquire+0x1a2/0x530 [ 136.302027] ? down_trylock+0xe/0x70 [ 136.302042] ? rcu_read_unlock+0x40/0x40 [ 136.302059] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 136.302081] ? vprintk+0x84/0xa0 [ 136.302099] _raw_spin_lock_irqsave+0x39/0x60 [ 136.302115] ? down_trylock+0xe/0x70 [ 136.302128] down_trylock+0xe/0x70 [ 136.302142] ? vprintk+0x84/0xa0 [ 136.302159] __down_trylock_console_sem+0x3b/0xd0 [ 136.302177] vprintk_emit+0x16b/0x560 [ 136.302194] ? lock_downgrade+0x6d0/0x6d0 [ 136.302213] vprintk+0x84/0xa0 [ 136.302231] _printk+0xba/0xf1 [ 136.302249] ? record_print_text.cold+0x16/0x16 [ 136.302269] ? hrtimer_try_to_cancel+0x163/0x2c0 [ 136.302283] ? lock_downgrade+0x6d0/0x6d0 [ 136.302301] ? report_bug.cold+0x66/0xab [ 136.302316] ? group_sched_out.part.0+0x2c7/0x460 [ 136.302327] report_bug.cold+0x72/0xab [ 136.302342] handle_bug+0x3c/0x70 [ 136.302355] exc_invalid_op+0x14/0x50 [ 136.302370] asm_exc_invalid_op+0x16/0x20 [ 136.302388] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 136.302401] 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 [ 136.302413] RSP: 0018:ffff88804176fc48 EFLAGS: 00010006 [ 136.302422] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 136.302430] RDX: ffff88801d013580 RSI: ffffffff81566027 RDI: 0000000000000005 [ 136.302438] RBP: ffff888008660000 R08: 0000000000000005 R09: 0000000000000001 [ 136.302445] R10: 0000000000000000 R11: 0000000000000001 R12: ffff88800f296400 [ 136.302453] R13: ffff88806ce3d100 R14: ffffffff8547bfc0 R15: 0000000000000002 [ 136.302464] ? group_sched_out.part.0+0x2c7/0x460 [ 136.302477] ? group_sched_out.part.0+0x2c7/0x460 [ 136.302490] ctx_sched_out+0x8f1/0xc10 [ 136.302502] __perf_event_task_sched_out+0x6d0/0x18d0 [ 136.302517] ? lock_is_held_type+0xd7/0x130 [ 136.302536] ? __perf_cgroup_move+0x160/0x160 [ 136.302548] ? set_next_entity+0x304/0x550 [ 136.302567] ? update_curr+0x267/0x740 [ 136.302586] ? lock_is_held_type+0xd7/0x130 [ 136.302604] __schedule+0xedd/0x2470 [ 136.302617] ? io_schedule_timeout+0x150/0x150 [ 136.302630] ? __x64_sys_futex_time32+0x480/0x480 [ 136.302644] schedule+0xda/0x1b0 [ 136.302655] exit_to_user_mode_prepare+0x114/0x1a0 [ 136.302676] syscall_exit_to_user_mode+0x19/0x40 [ 136.302694] do_syscall_64+0x48/0x90 [ 136.302708] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 136.302726] RIP: 0033:0x7fafcdb0eb19 [ 136.302735] 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 [ 136.302746] RSP: 002b:00007fafcb084218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 136.302757] RAX: 0000000000000001 RBX: 00007fafcdc21f68 RCX: 00007fafcdb0eb19 [ 136.302764] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fafcdc21f6c [ 136.302772] RBP: 00007fafcdc21f60 R08: 000000000000000e R09: 0000000000000000 [ 136.302779] R10: 0000000000000004 R11: 0000000000000246 R12: 00007fafcdc21f6c [ 136.302786] R13: 00007ffcf32bfbbf R14: 00007fafcb084300 R15: 0000000000022000 [ 136.302799] [ 136.360085] WARNING: CPU: 0 PID: 3953 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460 [ 136.360778] Modules linked in: [ 136.361023] CPU: 0 PID: 3953 Comm: syz-executor.1 Not tainted 6.0.0-rc5-next-20220913 #1 [ 136.361624] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 136.362465] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 136.362880] 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 [ 136.364239] RSP: 0018:ffff88804176fc48 EFLAGS: 00010006 [ 136.364639] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 136.365174] RDX: ffff88801d013580 RSI: ffffffff81566027 RDI: 0000000000000005 [ 136.365708] RBP: ffff888008660000 R08: 0000000000000005 R09: 0000000000000001 [ 136.366248] R10: 0000000000000000 R11: 0000000000000001 R12: ffff88800f296400 [ 136.366781] R13: ffff88806ce3d100 R14: ffffffff8547bfc0 R15: 0000000000000002 [ 136.367313] FS: 00007fafcb084700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 136.367916] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 136.368359] CR2: 00007f848bbfa260 CR3: 000000000dc5e000 CR4: 0000000000350ef0 [ 136.368887] Call Trace: [ 136.369083] [ 136.369259] ctx_sched_out+0x8f1/0xc10 [ 136.369557] __perf_event_task_sched_out+0x6d0/0x18d0 [ 136.369954] ? lock_is_held_type+0xd7/0x130 [ 136.370294] ? __perf_cgroup_move+0x160/0x160 [ 136.370642] ? set_next_entity+0x304/0x550 [ 136.370970] ? update_curr+0x267/0x740 [ 136.371274] ? lock_is_held_type+0xd7/0x130 [ 136.371606] __schedule+0xedd/0x2470 [ 136.371891] ? io_schedule_timeout+0x150/0x150 [ 136.372238] ? __x64_sys_futex_time32+0x480/0x480 [ 136.372603] schedule+0xda/0x1b0 [ 136.372864] exit_to_user_mode_prepare+0x114/0x1a0 [ 136.373244] syscall_exit_to_user_mode+0x19/0x40 [ 136.373602] do_syscall_64+0x48/0x90 [ 136.373891] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 136.374275] RIP: 0033:0x7fafcdb0eb19 [ 136.374551] 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 [ 136.375862] RSP: 002b:00007fafcb084218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 136.376407] RAX: 0000000000000001 RBX: 00007fafcdc21f68 RCX: 00007fafcdb0eb19 [ 136.376920] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fafcdc21f6c [ 136.377433] RBP: 00007fafcdc21f60 R08: 000000000000000e R09: 0000000000000000 [ 136.377956] R10: 0000000000000004 R11: 0000000000000246 R12: 00007fafcdc21f6c [ 136.378483] R13: 00007ffcf32bfbbf R14: 00007fafcb084300 R15: 0000000000022000 [ 136.378998] [ 136.379177] irq event stamp: 1092 [ 136.379430] hardirqs last enabled at (1091): [] exit_to_user_mode_prepare+0x109/0x1a0 [ 136.380120] hardirqs last disabled at (1092): [] __schedule+0x1225/0x2470 [ 136.380719] softirqs last enabled at (956): [] __irq_exit_rcu+0x11b/0x180 [ 136.381338] softirqs last disabled at (951): [] __irq_exit_rcu+0x11b/0x180 [ 136.381962] ---[ end trace 0000000000000000 ]--- [ 138.859391] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 138.861818] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 138.863034] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 138.866661] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 138.868455] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 138.870642] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 138.876622] Bluetooth: hci5: HCI_REQ-0x0c1a [ 140.881663] Bluetooth: hci5: command 0x0409 tx timeout [ 142.929725] Bluetooth: hci5: command 0x041b tx timeout [ 144.977799] Bluetooth: hci5: command 0x040f tx timeout VM DIAGNOSIS: 15:03:00 Registers: info registers vcpu 0 RAX=0000000000000065 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff822b25c1 RDI=ffffffff8763fae0 RBP=ffffffff8763faa0 RSP=ffff88804176f698 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000065 R11=0000000000000001 R12=0000000000000065 R13=ffffffff8763faa0 R14=0000000000000010 R15=ffffffff822b25b0 RIP=ffffffff822b2619 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 00007fafcb084700 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=00007f848bbfa260 CR3=000000000dc5e000 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 00007fafcdbf57c0 00007fafcdbf57c8 YMM02=0000000000000000 0000000000000000 00007fafcdbf57e0 00007fafcdbf57c0 YMM03=0000000000000000 0000000000000000 00007fafcdbf57c8 00007fafcdbf57c0 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=0000000000000001 RCX=ffffffff84262937 RDX=ffffed100d9c6f99 RSI=0000000000000004 RDI=ffff88806ce37cc0 RBP=ffff88806ce37cc0 RSP=ffff88806cf09b20 R8 =0000000000000000 R9 =ffff88806ce37cc3 R10=ffffed100d9c6f98 R11=0000000000000001 R12=0000000000000003 R13=ffffed100d9c6f98 R14=0000000000000001 R15=1ffff1100d9e1365 RIP=ffffffff842629b4 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 00007f3b84109900 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=00007f3b834f94c0 CR3=000000000e79a000 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 d94ca2d980464886 da43f2ec023a956c YMM02=0000000000000000 0000000000000000 6b1e99b806172e3b 00000000000aea28 YMM03=0000000000000000 0000000000000000 ac8bc31478ec8511 00000000000aefa0 YMM04=0000000000000000 0000000000000000 d7aff400b9590f03 0000000000138cf8 YMM05=0000000000000000 0000000000000000 d3fdd5f48436fbd7 00000000000aead0 YMM06=0000000000000000 0000000000000000 ec9384e0e462435b 00000000000ae988 YMM07=0000000000000000 0000000000000000 a1fcdcf819d7e1e5 00000000000ae728 YMM08=0000000000000000 0000000000000000 44495f474f4c5359 530069253d595449 YMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM10=0000000000000000 0000000000000000 0000000000000000 0020000000000000 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