Warning: Permanently added '[localhost]:45232' (ECDSA) to the list of known hosts. 2022/09/29 03:38:41 fuzzer started 2022/09/29 03:38:41 dialing manager at localhost:45751 syzkaller login: [ 47.137223] cgroup: Unknown subsys name 'net' [ 47.253147] cgroup: Unknown subsys name 'rlimit' 2022/09/29 03:38:56 syscalls: 2215 2022/09/29 03:38:56 code coverage: enabled 2022/09/29 03:38:56 comparison tracing: enabled 2022/09/29 03:38:56 extra coverage: enabled 2022/09/29 03:38:56 setuid sandbox: enabled 2022/09/29 03:38:56 namespace sandbox: enabled 2022/09/29 03:38:56 Android sandbox: enabled 2022/09/29 03:38:56 fault injection: enabled 2022/09/29 03:38:56 leak checking: enabled 2022/09/29 03:38:56 net packet injection: enabled 2022/09/29 03:38:56 net device setup: enabled 2022/09/29 03:38:56 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/09/29 03:38:56 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/09/29 03:38:56 USB emulation: enabled 2022/09/29 03:38:56 hci packet injection: enabled 2022/09/29 03:38:56 wifi device emulation: failed to parse kernel version (6.0.0-rc7-next-20220928) 2022/09/29 03:38:56 802.15.4 emulation: enabled 2022/09/29 03:38:56 fetching corpus: 0, signal 0/2000 (executing program) 2022/09/29 03:38:56 fetching corpus: 50, signal 22039/25557 (executing program) 2022/09/29 03:38:56 fetching corpus: 100, signal 34991/39875 (executing program) 2022/09/29 03:38:56 fetching corpus: 150, signal 46276/52302 (executing program) 2022/09/29 03:38:56 fetching corpus: 200, signal 55868/62841 (executing program) 2022/09/29 03:38:57 fetching corpus: 250, signal 60114/68270 (executing program) 2022/09/29 03:38:57 fetching corpus: 300, signal 64951/74132 (executing program) 2022/09/29 03:38:57 fetching corpus: 350, signal 68394/78625 (executing program) 2022/09/29 03:38:57 fetching corpus: 400, signal 73492/84586 (executing program) 2022/09/29 03:38:57 fetching corpus: 450, signal 76150/88215 (executing program) 2022/09/29 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signal 186381/191693 (executing program) 2022/09/29 03:39:07 fetching corpus: 4533, signal 186381/191722 (executing program) 2022/09/29 03:39:07 fetching corpus: 4533, signal 186381/191722 (executing program) 2022/09/29 03:39:09 starting 8 fuzzer processes 03:39:09 executing program 0: r0 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x684, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x1a}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x41, 0x0) ioctl$FAT_IOCTL_GET_ATTRIBUTES(0xffffffffffffffff, 0x80047210, &(0x7f0000000200)) r2 = ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82) ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, r2) mmap$perf(&(0x7f0000ffc000/0x1000)=nil, 0x1000, 0x4, 0x50, r0, 0x3) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, r2) r3 = socket$inet6(0xa, 0x1, 0x0) r4 = fcntl$dupfd(r3, 0x0, r3) sendmsg$unix(r4, &(0x7f00000008c0)={&(0x7f0000000740)=@abs, 0x6e, 0x0}, 0x20008084) ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) process_vm_readv(0x0, &(0x7f00000000c0)=[{0x0}, {&(0x7f0000000100)=""/57, 0x39}], 0x2, &(0x7f0000000300)=[{&(0x7f0000012940)=""/102400, 0x19000}, {0x0}], 0x2, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x141042, 0x0) ioctl$AUTOFS_DEV_IOCTL_PROTOSUBVER(r4, 0xc0189373, &(0x7f0000000000)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xec6e}}, './file1\x00'}) write$P9_RLCREATE(r6, &(0x7f0000000180)={0x18, 0xf, 0x1, {{0x10, 0x3, 0x7}, 0x9f}}, 0x18) r7 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000080)='/sys/block/loop6', 0x80400, 0x10) pwritev(r5, &(0x7f0000000240)=[{&(0x7f0000000140)="cf", 0x1}], 0x1, 0x0, 0x0) r8 = openat$sr(0xffffffffffffff9c, &(0x7f0000000380), 0x800, 0x0) ioctl$SG_IO(r8, 0x5392, &(0x7f0000000240)={0x53, 0x0, 0x0, 0x0, @buffer={0x0, 0x0, 0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_INFO(r7, 0xc08c5334, &(0x7f0000000340)={0x7ff, 0x1, 0x1, 'queue1\x00', 0x7}) 03:39:09 executing program 1: r0 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$sock_ipv4_tunnel_SIOCCHGTUNNEL(r0, 0x89f3, &(0x7f0000003ac0)={'gretap0\x00', 0x0}) 03:39:09 executing program 2: r0 = openat$full(0xffffffffffffff9c, &(0x7f0000001180), 0x0, 0x0) fcntl$lock(r0, 0x25, 0x0) [ 74.481163] audit: type=1400 audit(1664422749.213:6): avc: denied { execmem } for pid=288 comm="syz-executor.1" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 03:39:09 executing program 3: seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xc, &(0x7f0000000080)={0x1, &(0x7f0000000100)=[{0x6, 0x0, 0x0, 0x7fff0000}]}) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xc, &(0x7f0000000080)={0x1, &(0x7f0000000100)=[{0x6}]}) 03:39:09 executing program 4: r0 = 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) flistxattr(r0, 0x0, 0x0) 03:39:09 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) getsockopt$inet_tcp_buf(r0, 0x6, 0x1f, 0x0, &(0x7f0000000200)) 03:39:09 executing program 6: 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, 0x3, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000003c0)={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={0x4}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_udp(0xa, 0x2, 0x0) socket$inet_udp(0x2, 0x2, 0x0) socket$inet_icmp(0x2, 0x2, 0x1) r1 = dup(r0) connect$inet6(r1, &(0x7f0000000200)={0xa, 0x4e22, 0x0, @ipv4={'\x00', '\xff\xff', @dev}}, 0x1c) sendmmsg$inet6(r1, &(0x7f0000000500)=[{{&(0x7f0000000280)={0xa, 0x4e22, 0x3, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02', 0x40}, 0x0, &(0x7f00000004c0)=[{&(0x7f00000002c0)="840ed7cb019cc4c626bd522b9b297ab0228f"}, {&(0x7f0000000440)="f117c9546fdf673e848c4c40aae7d578e6a70ca6261a43b646cf390b39b5b5f8e490cbc2954c666512f0df544eee3737d7dfed7d929427a7110deb7349410be3c1ce5c55ab6187bb39dc6908fd34b3b34203a5184310cdcb173d03bad191e46181"}, {&(0x7f0000000300)="9fb8735a86"}]}}], 0x63, 0x24048894) syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) 03:39:09 executing program 7: r0 = socket$inet6_udp(0xa, 0x2, 0x0) r1 = dup(r0) connect$inet6(r1, &(0x7f0000000200)={0xa, 0x4e22, 0x0, @ipv4={'\x00', '\xff\xff', @dev}}, 0x1c) getpeername$inet6(r1, 0x0, &(0x7f00000000c0)) [ 75.668200] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 75.670886] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 75.672242] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 75.676273] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 75.678382] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 75.680169] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 75.686425] Bluetooth: hci0: HCI_REQ-0x0c1a [ 75.726127] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 75.727767] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 75.730694] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 75.732411] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 75.733759] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 75.735098] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 75.736281] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 75.738045] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 75.740046] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 75.742371] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 75.744046] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 75.748582] Bluetooth: hci3: HCI_REQ-0x0c1a [ 75.765788] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 75.767514] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 75.769353] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 75.777384] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 75.783345] Bluetooth: hci1: HCI_REQ-0x0c1a [ 75.783712] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 75.785661] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 75.787886] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 75.794345] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 75.800494] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 75.807647] Bluetooth: hci2: HCI_REQ-0x0c1a [ 75.845969] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 75.849695] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 75.853045] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 75.854386] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 75.873654] Bluetooth: hci4: HCI_REQ-0x0c1a [ 75.887321] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 75.889749] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 75.897987] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 75.903795] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 75.905621] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 75.912234] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 75.917018] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 75.924045] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 75.928754] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 75.939304] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 75.940327] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 75.956474] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 75.956614] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 75.960046] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 75.961334] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 75.962606] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 75.964056] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 75.968755] Bluetooth: hci6: HCI_REQ-0x0c1a [ 75.975737] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 75.981798] Bluetooth: hci7: HCI_REQ-0x0c1a [ 76.083657] Bluetooth: hci5: HCI_REQ-0x0c1a [ 77.753010] Bluetooth: hci0: command 0x0409 tx timeout [ 77.816031] Bluetooth: hci2: command 0x0409 tx timeout [ 77.816052] Bluetooth: hci1: command 0x0409 tx timeout [ 77.816718] Bluetooth: hci3: command 0x0409 tx timeout [ 77.943622] Bluetooth: hci4: command 0x0409 tx timeout [ 78.007586] Bluetooth: hci6: command 0x0409 tx timeout [ 78.071667] Bluetooth: hci7: command 0x0409 tx timeout [ 78.136636] Bluetooth: hci5: command 0x0409 tx timeout [ 79.800581] Bluetooth: hci0: command 0x041b tx timeout [ 79.863751] Bluetooth: hci1: command 0x041b tx timeout [ 79.864611] Bluetooth: hci3: command 0x041b tx timeout [ 79.865408] Bluetooth: hci2: command 0x041b tx timeout [ 79.992609] Bluetooth: hci4: command 0x041b tx timeout [ 80.055672] Bluetooth: hci6: command 0x041b tx timeout [ 80.119682] Bluetooth: hci7: command 0x041b tx timeout [ 80.184655] Bluetooth: hci5: command 0x041b tx timeout [ 81.848714] Bluetooth: hci0: command 0x040f tx timeout [ 81.911625] Bluetooth: hci2: command 0x040f tx timeout [ 81.912167] Bluetooth: hci3: command 0x040f tx timeout [ 81.913116] Bluetooth: hci1: command 0x040f tx timeout [ 82.060512] Bluetooth: hci4: command 0x040f tx timeout [ 82.104614] Bluetooth: hci6: command 0x040f tx timeout [ 82.167565] Bluetooth: hci7: command 0x040f tx timeout [ 82.232590] Bluetooth: hci5: command 0x040f tx timeout [ 83.896568] Bluetooth: hci0: command 0x0419 tx timeout [ 83.960576] Bluetooth: hci1: command 0x0419 tx timeout [ 83.960992] Bluetooth: hci3: command 0x0419 tx timeout [ 83.961390] Bluetooth: hci2: command 0x0419 tx timeout [ 84.087572] Bluetooth: hci4: command 0x0419 tx timeout [ 84.152598] Bluetooth: hci6: command 0x0419 tx timeout [ 84.215575] Bluetooth: hci7: command 0x0419 tx timeout [ 84.279570] Bluetooth: hci5: command 0x0419 tx timeout 03:40:07 executing program 2: 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, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = fsopen(&(0x7f0000000000)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) [ 132.810247] audit: type=1400 audit(1664422807.542:7): avc: denied { open } for pid=3771 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 132.811896] audit: type=1400 audit(1664422807.542:8): avc: denied { kernel } for pid=3771 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 132.828811] ------------[ cut here ]------------ [ 132.828834] [ 132.828838] ====================================================== [ 132.828842] WARNING: possible circular locking dependency detected [ 132.828847] 6.0.0-rc7-next-20220928 #1 Not tainted [ 132.828854] ------------------------------------------------------ [ 132.828857] syz-executor.2/3772 is trying to acquire lock: [ 132.828864] ffffffff853faab8 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70 [ 132.828911] [ 132.828911] but task is already holding lock: [ 132.828915] ffff88801b169020 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 132.828945] [ 132.828945] which lock already depends on the new lock. [ 132.828945] [ 132.828949] [ 132.828949] the existing dependency chain (in reverse order) is: [ 132.828953] [ 132.828953] -> #3 (&ctx->lock){....}-{2:2}: [ 132.828968] _raw_spin_lock+0x2a/0x40 [ 132.828982] __perf_event_task_sched_out+0x53b/0x18d0 [ 132.828996] __schedule+0xedd/0x2470 [ 132.829014] schedule+0xda/0x1b0 [ 132.829031] futex_wait_queue+0xf5/0x1e0 [ 132.829045] futex_wait+0x28e/0x690 [ 132.829056] do_futex+0x2ff/0x380 [ 132.829066] __x64_sys_futex+0x1c6/0x4d0 [ 132.829077] do_syscall_64+0x3b/0x90 [ 132.829095] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 132.829111] [ 132.829111] -> #2 (&rq->__lock){-.-.}-{2:2}: [ 132.829125] _raw_spin_lock_nested+0x30/0x40 [ 132.829138] raw_spin_rq_lock_nested+0x1e/0x30 [ 132.829152] task_fork_fair+0x63/0x4d0 [ 132.829172] sched_cgroup_fork+0x3d0/0x540 [ 132.829187] copy_process+0x4183/0x6e20 [ 132.829199] kernel_clone+0xe7/0x890 [ 132.829209] user_mode_thread+0xad/0xf0 [ 132.829220] rest_init+0x24/0x250 [ 132.829235] arch_call_rest_init+0xf/0x14 [ 132.829256] start_kernel+0x4c6/0x4eb [ 132.829274] secondary_startup_64_no_verify+0xe0/0xeb [ 132.829289] [ 132.829289] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 132.829303] _raw_spin_lock_irqsave+0x39/0x60 [ 132.829316] try_to_wake_up+0xab/0x1930 [ 132.829331] up+0x75/0xb0 [ 132.829348] __up_console_sem+0x6e/0x80 [ 132.829366] console_unlock+0x46a/0x590 [ 132.829384] vt_ioctl+0x2822/0x2ca0 [ 132.829399] tty_ioctl+0x785/0x16b0 [ 132.829413] __x64_sys_ioctl+0x19a/0x210 [ 132.829430] do_syscall_64+0x3b/0x90 [ 132.829441] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 132.829456] [ 132.829456] -> #0 ((console_sem).lock){....}-{2:2}: [ 132.829471] __lock_acquire+0x2a02/0x5e70 [ 132.829490] lock_acquire+0x1a2/0x530 [ 132.829507] _raw_spin_lock_irqsave+0x39/0x60 [ 132.829523] down_trylock+0xe/0x70 [ 132.829545] __down_trylock_console_sem+0x3b/0xd0 [ 132.829563] vprintk_emit+0x16b/0x560 [ 132.829581] vprintk+0x84/0xa0 [ 132.829599] _printk+0xba/0xf1 [ 132.829613] report_bug.cold+0x72/0xab [ 132.829623] handle_bug+0x3c/0x70 [ 132.829634] exc_invalid_op+0x14/0x50 [ 132.829645] asm_exc_invalid_op+0x16/0x20 [ 132.829660] group_sched_out.part.0+0x2c7/0x460 [ 132.829671] ctx_sched_out+0x8f1/0xc10 [ 132.829682] __perf_event_task_sched_out+0x6d0/0x18d0 [ 132.829696] __schedule+0xedd/0x2470 [ 132.829713] schedule+0xda/0x1b0 [ 132.829729] futex_wait_queue+0xf5/0x1e0 [ 132.829741] futex_wait+0x28e/0x690 [ 132.829752] do_futex+0x2ff/0x380 [ 132.829761] __x64_sys_futex+0x1c6/0x4d0 [ 132.829772] do_syscall_64+0x3b/0x90 [ 132.829783] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 132.829798] [ 132.829798] other info that might help us debug this: [ 132.829798] [ 132.829801] Chain exists of: [ 132.829801] (console_sem).lock --> &rq->__lock --> &ctx->lock [ 132.829801] [ 132.829817] Possible unsafe locking scenario: [ 132.829817] [ 132.829819] CPU0 CPU1 [ 132.829822] ---- ---- [ 132.829824] lock(&ctx->lock); [ 132.829831] lock(&rq->__lock); [ 132.829838] lock(&ctx->lock); [ 132.829844] lock((console_sem).lock); [ 132.829850] [ 132.829850] *** DEADLOCK *** [ 132.829850] [ 132.829852] 2 locks held by syz-executor.2/3772: [ 132.829860] #0: ffff88806ce37d18 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470 [ 132.829893] #1: ffff88801b169020 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 132.829923] [ 132.829923] stack backtrace: [ 132.829926] CPU: 0 PID: 3772 Comm: syz-executor.2 Not tainted 6.0.0-rc7-next-20220928 #1 [ 132.829940] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 132.829948] Call Trace: [ 132.829952] [ 132.829956] dump_stack_lvl+0x8b/0xb3 [ 132.829969] check_noncircular+0x263/0x2e0 [ 132.829988] ? format_decode+0x26c/0xb50 [ 132.830008] ? print_circular_bug+0x450/0x450 [ 132.830027] ? enable_ptr_key_workfn+0x20/0x20 [ 132.830047] ? perf_trace_lock+0x308/0x560 [ 132.830063] ? format_decode+0x26c/0xb50 [ 132.830084] ? alloc_chain_hlocks+0x1ec/0x5a0 [ 132.830104] __lock_acquire+0x2a02/0x5e70 [ 132.830130] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 132.830156] lock_acquire+0x1a2/0x530 [ 132.830175] ? down_trylock+0xe/0x70 [ 132.830196] ? lock_release+0x750/0x750 [ 132.830221] ? vprintk+0x84/0xa0 [ 132.830241] _raw_spin_lock_irqsave+0x39/0x60 [ 132.830255] ? down_trylock+0xe/0x70 [ 132.830275] down_trylock+0xe/0x70 [ 132.830295] ? vprintk+0x84/0xa0 [ 132.830314] __down_trylock_console_sem+0x3b/0xd0 [ 132.830333] vprintk_emit+0x16b/0x560 [ 132.830355] vprintk+0x84/0xa0 [ 132.830375] _printk+0xba/0xf1 [ 132.830389] ? record_print_text.cold+0x16/0x16 [ 132.830409] ? report_bug.cold+0x66/0xab [ 132.830421] ? group_sched_out.part.0+0x2c7/0x460 [ 132.830434] report_bug.cold+0x72/0xab [ 132.830448] handle_bug+0x3c/0x70 [ 132.830460] exc_invalid_op+0x14/0x50 [ 132.830472] asm_exc_invalid_op+0x16/0x20 [ 132.830488] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 132.830503] Code: 5e 41 5f e9 cb a9 ef ff e8 c6 a9 ef ff 65 8b 1d db 12 ac 7e 31 ff 89 de e8 66 a6 ef ff 85 db 0f 84 8a 00 00 00 e8 a9 a9 ef ff <0f> 0b e9 a5 fe ff ff e8 9d a9 ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 132.830515] RSP: 0018:ffff8880324df8f8 EFLAGS: 00010006 [ 132.830524] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 132.830533] RDX: ffff88801dbb3580 RSI: ffffffff815662f7 RDI: 0000000000000005 [ 132.830541] RBP: ffff8880086605c8 R08: 0000000000000005 R09: 0000000000000001 [ 132.830549] R10: 0000000000000000 R11: ffffffff865b401b R12: ffff88801b169000 [ 132.830557] R13: ffff88806ce3d140 R14: ffffffff8547cf00 R15: 0000000000000002 [ 132.830570] ? group_sched_out.part.0+0x2c7/0x460 [ 132.830585] ? group_sched_out.part.0+0x2c7/0x460 [ 132.830600] ctx_sched_out+0x8f1/0xc10 [ 132.830614] __perf_event_task_sched_out+0x6d0/0x18d0 [ 132.830632] ? lock_is_held_type+0xd7/0x130 [ 132.830650] ? __perf_cgroup_move+0x160/0x160 [ 132.830663] ? set_next_entity+0x304/0x550 [ 132.830686] ? lock_is_held_type+0xd7/0x130 [ 132.830703] __schedule+0xedd/0x2470 [ 132.830725] ? io_schedule_timeout+0x150/0x150 [ 132.830744] ? futex_wait_setup+0x166/0x230 [ 132.830760] schedule+0xda/0x1b0 [ 132.830779] futex_wait_queue+0xf5/0x1e0 [ 132.830793] futex_wait+0x28e/0x690 [ 132.830807] ? futex_wait_setup+0x230/0x230 [ 132.830822] ? wake_up_q+0x8b/0xf0 [ 132.830837] ? do_raw_spin_unlock+0x4f/0x220 [ 132.830859] ? futex_wake+0x158/0x490 [ 132.830878] ? fd_install+0x1f9/0x640 [ 132.830897] do_futex+0x2ff/0x380 [ 132.830910] ? __ia32_compat_sys_get_robust_list+0x3b0/0x3b0 [ 132.830928] __x64_sys_futex+0x1c6/0x4d0 [ 132.830942] ? __x64_sys_futex_time32+0x480/0x480 [ 132.830957] ? syscall_enter_from_user_mode+0x1d/0x50 [ 132.830974] ? syscall_enter_from_user_mode+0x1d/0x50 [ 132.830993] do_syscall_64+0x3b/0x90 [ 132.831005] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 132.831022] RIP: 0033:0x7f6ee0145b19 [ 132.831030] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 132.831041] RSP: 002b:00007f6edd6bb218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 132.831053] RAX: ffffffffffffffda RBX: 00007f6ee0258f68 RCX: 00007f6ee0145b19 [ 132.831061] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f6ee0258f68 [ 132.831069] RBP: 00007f6ee0258f60 R08: 0000000000000000 R09: 0000000000000000 [ 132.831076] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6ee0258f6c [ 132.831084] R13: 00007ffe015a014f R14: 00007f6edd6bb300 R15: 0000000000022000 [ 132.831099] [ 132.891546] WARNING: CPU: 0 PID: 3772 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460 [ 132.892232] Modules linked in: [ 132.892478] CPU: 0 PID: 3772 Comm: syz-executor.2 Not tainted 6.0.0-rc7-next-20220928 #1 [ 132.893078] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 132.893929] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 132.894337] Code: 5e 41 5f e9 cb a9 ef ff e8 c6 a9 ef ff 65 8b 1d db 12 ac 7e 31 ff 89 de e8 66 a6 ef ff 85 db 0f 84 8a 00 00 00 e8 a9 a9 ef ff <0f> 0b e9 a5 fe ff ff e8 9d a9 ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 132.895675] RSP: 0018:ffff8880324df8f8 EFLAGS: 00010006 [ 132.896073] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 132.896609] RDX: ffff88801dbb3580 RSI: ffffffff815662f7 RDI: 0000000000000005 [ 132.897148] RBP: ffff8880086605c8 R08: 0000000000000005 R09: 0000000000000001 [ 132.897675] R10: 0000000000000000 R11: ffffffff865b401b R12: ffff88801b169000 [ 132.898208] R13: ffff88806ce3d140 R14: ffffffff8547cf00 R15: 0000000000000002 [ 132.898745] FS: 00007f6edd6bb700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 132.899344] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 132.899783] CR2: 00007f61e1e57260 CR3: 0000000017e6a000 CR4: 0000000000350ef0 [ 132.900314] Call Trace: [ 132.900510] [ 132.900686] ctx_sched_out+0x8f1/0xc10 [ 132.900988] __perf_event_task_sched_out+0x6d0/0x18d0 [ 132.901398] ? lock_is_held_type+0xd7/0x130 [ 132.901733] ? __perf_cgroup_move+0x160/0x160 [ 132.902074] ? set_next_entity+0x304/0x550 [ 132.902406] ? lock_is_held_type+0xd7/0x130 [ 132.902741] __schedule+0xedd/0x2470 [ 132.903036] ? io_schedule_timeout+0x150/0x150 [ 132.903392] ? futex_wait_setup+0x166/0x230 [ 132.903730] schedule+0xda/0x1b0 [ 132.903999] futex_wait_queue+0xf5/0x1e0 [ 132.904312] futex_wait+0x28e/0x690 [ 132.904600] ? futex_wait_setup+0x230/0x230 [ 132.904931] ? wake_up_q+0x8b/0xf0 [ 132.905216] ? do_raw_spin_unlock+0x4f/0x220 [ 132.905567] ? futex_wake+0x158/0x490 [ 132.905864] ? fd_install+0x1f9/0x640 [ 132.906168] do_futex+0x2ff/0x380 [ 132.906438] ? __ia32_compat_sys_get_robust_list+0x3b0/0x3b0 [ 132.906879] __x64_sys_futex+0x1c6/0x4d0 [ 132.907191] ? __x64_sys_futex_time32+0x480/0x480 [ 132.907560] ? syscall_enter_from_user_mode+0x1d/0x50 [ 132.907950] ? syscall_enter_from_user_mode+0x1d/0x50 [ 132.908339] do_syscall_64+0x3b/0x90 [ 132.908627] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 132.909020] RIP: 0033:0x7f6ee0145b19 [ 132.909309] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 132.910663] RSP: 002b:00007f6edd6bb218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 132.911226] RAX: ffffffffffffffda RBX: 00007f6ee0258f68 RCX: 00007f6ee0145b19 [ 132.911753] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f6ee0258f68 [ 132.912276] RBP: 00007f6ee0258f60 R08: 0000000000000000 R09: 0000000000000000 [ 132.912806] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6ee0258f6c [ 132.913349] R13: 00007ffe015a014f R14: 00007f6edd6bb300 R15: 0000000000022000 [ 132.913888] [ 132.914068] irq event stamp: 858 [ 132.914322] hardirqs last enabled at (857): [] syscall_enter_from_user_mode+0x1d/0x50 [ 132.915020] hardirqs last disabled at (858): [] __schedule+0x1225/0x2470 [ 132.915637] softirqs last enabled at (844): [] __irq_exit_rcu+0x11b/0x180 [ 132.916272] softirqs last disabled at (839): [] __irq_exit_rcu+0x11b/0x180 [ 132.916909] ---[ end trace 0000000000000000 ]--- 03:40:08 executing program 2: fchownat(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x400) 03:40:08 executing program 2: syz_emit_ethernet(0xbe, &(0x7f0000000040)={@link_local, @remote, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x2, 0x0, 0xb0, 0x0, 0x0, 0x0, 0x29, 0x0, @private=0x9c, @local}, {0x0, 0x0, 0x9c, 0x0, @wg=@initiation={0x220, 0x9c00, "9cdf3f090000000051710000000000000000000000002200", "117ad553083cf29887cf5f29c7a6c95c7558a7482e05b26986482338c4a4807a788dafc8181760316d293733eea7f8d3", "a75e81563131a3cfe7a7f5a39f877d4c3d74923d6412b791b7128fae", {"452bd88da6fe3cce2e1d7da77bb012ba", "e313e602785b0268a2ed03bd928c6509"}}}}}}}, 0x0) [ 133.391645] sit: non-ECT from 0.0.0.156 with TOS=0x2 [ 133.398068] sit: non-ECT from 0.0.0.156 with TOS=0x2 03:40:08 executing program 2: syz_emit_ethernet(0x3e, &(0x7f0000000140)={@local, @dev, @void, {@ipv6={0x86dd, @generic={0x0, 0x6, "b0e0ee", 0x8, 0x0, 0x0, @private0, @mcast2, {[@routing={0x0, 0x0, 0x1}]}}}}}, 0x0) 03:40:08 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x101042, 0x0) fadvise64(r0, 0x0, 0x0, 0x5) 03:40:08 executing program 7: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000200)={{{@in6=@remote, @in, 0x0, 0x0, 0x0, 0x0, 0xa, 0x0, 0x0, 0x0, 0x0, 0xee01}, {}, {}, 0x0, 0x0, 0x1}, {{@in=@local, 0x0, 0x3c}, 0x0, @in6=@remote, 0x0, 0x1, 0x0, 0xfe}}, 0xe8) sendmmsg$inet6(r0, &(0x7f0000004580)=[{{&(0x7f0000000300)={0xa, 0x4e21, 0x0, @loopback}, 0x1c, 0x0}}], 0x1, 0x0) 03:40:08 executing program 2: getresuid(&(0x7f0000001f80), &(0x7f0000001fc0), &(0x7f0000002000)) 03:40:08 executing program 7: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000200)={{{@in6=@remote, @in, 0x0, 0x0, 0x0, 0x0, 0xa, 0x0, 0x0, 0x0, 0x0, 0xee01}, {}, {}, 0x0, 0x0, 0x1}, {{@in=@local, 0x0, 0x3c}, 0x0, @in6=@remote, 0x0, 0x1, 0x0, 0xfe}}, 0xe8) sendmmsg$inet6(r0, &(0x7f0000004580)=[{{&(0x7f0000000300)={0xa, 0x4e21, 0x0, @loopback}, 0x1c, 0x0}}], 0x1, 0x0) [ 139.191606] Bluetooth: hci4: Opcode 0x c03 failed: -110 [ 139.191745] Bluetooth: hci3: Opcode 0x c03 failed: -110 [ 139.192345] Bluetooth: hci1: Opcode 0x c03 failed: -110 [ 139.255577] Bluetooth: hci5: Opcode 0x c03 failed: -110 VM DIAGNOSIS: 03:40:07 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=00000000000003f9 RCX=0000000000000000 RDX=00000000000003f9 RSI=ffffffff823ba131 RDI=ffffffff8765a980 RBP=ffffffff8765a940 RSP=ffff8880324df320 R8 =0000000000000005 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=0000000000000000 R13=ffffffff8765a940 R14=ffffffff8765a990 R15=ffffffff8765abf0 RIP=ffffffff823ba189 RFL=00000006 [-----P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f6edd6bb700 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=00007f61e1e57260 CR3=0000000017e6a000 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 00007f6ee022c7c0 00007f6ee022c7c8 YMM02=0000000000000000 0000000000000000 00007f6ee022c7e0 00007f6ee022c7c0 YMM03=0000000000000000 0000000000000000 00007f6ee022c7c8 00007f6ee022c7c0 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=ffff88806ce3f2c0 RCX=0000000000000000 RDX=ffff88801dbb0000 RSI=ffffffff813bbb37 RDI=0000000000000005 RBP=0000000000000000 RSP=ffff88802e017958 R8 =0000000000000005 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000003 R13=ffffed100d9c7e59 R14=ffff88806ce3f2c8 R15=0000000000000001 RIP=ffffffff813bbb39 RFL=00000293 [--S-A-C] 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 0000555555964400 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=00007f6ee024e81c CR3=0000000017e6a000 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 00007f6ee022c7c0 00007f6ee022c7c8 YMM02=0000000000000000 0000000000000000 00007f6ee022c7e0 00007f6ee022c7c0 YMM03=0000000000000000 0000000000000000 00007f6ee022c7c8 00007f6ee022c7c0 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