Warning: Permanently added '[localhost]:11544' (ECDSA) to the list of known hosts. 2022/09/29 03:51:01 fuzzer started 2022/09/29 03:51:01 dialing manager at localhost:45751 syzkaller login: [ 37.707589] cgroup: Unknown subsys name 'net' [ 37.818506] cgroup: Unknown subsys name 'rlimit' 2022/09/29 03:51:17 syscalls: 2215 2022/09/29 03:51:17 code coverage: enabled 2022/09/29 03:51:17 comparison tracing: enabled 2022/09/29 03:51:17 extra coverage: enabled 2022/09/29 03:51:17 setuid sandbox: enabled 2022/09/29 03:51:17 namespace sandbox: enabled 2022/09/29 03:51:17 Android sandbox: enabled 2022/09/29 03:51:17 fault injection: enabled 2022/09/29 03:51:17 leak checking: enabled 2022/09/29 03:51:17 net packet injection: enabled 2022/09/29 03:51:17 net device setup: enabled 2022/09/29 03:51:17 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/09/29 03:51:17 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/09/29 03:51:17 USB emulation: enabled 2022/09/29 03:51:17 hci packet injection: enabled 2022/09/29 03:51:17 wifi device emulation: failed to parse kernel version (6.0.0-rc7-next-20220928) 2022/09/29 03:51:17 802.15.4 emulation: enabled 2022/09/29 03:51:17 fetching corpus: 0, signal 0/2000 (executing program) 2022/09/29 03:51:17 fetching corpus: 50, signal 24666/28157 (executing program) 2022/09/29 03:51:17 fetching corpus: 100, signal 36520/41438 (executing program) 2022/09/29 03:51:18 fetching corpus: 150, signal 50461/56438 (executing program) 2022/09/29 03:51:18 fetching corpus: 200, signal 55355/62612 (executing program) 2022/09/29 03:51:18 fetching corpus: 250, signal 58774/67301 (executing program) 2022/09/29 03:51:18 fetching corpus: 300, signal 63883/73459 (executing program) 2022/09/29 03:51:18 fetching corpus: 350, signal 70202/80658 (executing program) 2022/09/29 03:51:18 fetching corpus: 400, signal 74066/85486 (executing program) 2022/09/29 03:51:18 fetching corpus: 450, signal 77962/90202 (executing program) 2022/09/29 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signal 191614/199394 (executing program) 2022/09/29 03:51:29 fetching corpus: 4700, signal 192310/199535 (executing program) 2022/09/29 03:51:29 fetching corpus: 4750, signal 193069/199668 (executing program) 2022/09/29 03:51:29 fetching corpus: 4800, signal 193640/199758 (executing program) 2022/09/29 03:51:29 fetching corpus: 4850, signal 194222/199824 (executing program) 2022/09/29 03:51:29 fetching corpus: 4869, signal 194309/199875 (executing program) 2022/09/29 03:51:29 fetching corpus: 4869, signal 194309/199875 (executing program) 2022/09/29 03:51:32 starting 8 fuzzer processes 03:51:32 executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) getsockopt$sock_int(r0, 0x1, 0x2c, &(0x7f0000000b80), &(0x7f0000000bc0)=0x4) 03:51:32 executing program 1: clock_nanosleep(0x0, 0x1, &(0x7f000000dac0), 0x0) 03:51:32 executing program 3: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x0) bind$bt_l2cap(r0, &(0x7f0000000380)={0x1f, 0x0, @any, 0x5}, 0xe) 03:51:32 executing program 2: r0 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_int(r0, 0x107, 0x12, &(0x7f0000000080)=0xfffff0a8, 0x4) 03:51:32 executing program 4: r0 = socket$inet6(0xa, 0x3, 0x42) connect$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @empty}, 0x1c) sendmmsg$inet(r0, &(0x7f00000069c0)=[{{0x0, 0x0, 0x0}}, {{&(0x7f0000000140)={0x2, 0x0, @broadcast}, 0x10, 0x0}}], 0x2, 0x0) 03:51:32 executing program 5: r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000300)='net/if_inet6\x00') utimensat(r0, 0x0, 0x0, 0x0) 03:51:32 executing program 6: r0 = openat$ttyS3(0xffffffffffffff9c, &(0x7f00000003c0), 0x0, 0x0) ioctl$TIOCGETD(r0, 0x5450, 0x0) [ 68.022666] audit: type=1400 audit(1664423492.439:6): avc: denied { execmem } for pid=281 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 03:51:32 executing program 7: getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, 0x0) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(0xffffffffffffffff, 0x89f2, &(0x7f0000000400)={'syztnl2\x00', 0x0}) sendto(0xffffffffffffffff, &(0x7f0000000440)="0c32539900ead2e6af19ce00ca8d8d16497c049f50b9bbd9fda8f13ccfdfd368aa191c509d", 0x25, 0x8054, 0x0, 0x0) syz_io_uring_setup(0x521f, &(0x7f0000000480)={0x0, 0x0, 0x8, 0x0, 0x3d6}, &(0x7f0000ff9000/0x4000)=nil, &(0x7f0000ffb000/0x1000)=nil, 0x0, &(0x7f0000000540)=0x0) syz_io_uring_submit(0x0, r1, 0x0, 0x0) openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000680)='pids.current\x00', 0x0, 0x0) syz_io_uring_setup(0x2f8a, &(0x7f0000000840)={0x0, 0x46ac}, &(0x7f0000ffa000/0x2000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f00000008c0), &(0x7f0000000900)) [ 69.293491] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 69.298435] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 69.302236] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 69.310282] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 69.315267] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 69.319015] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 69.336122] Bluetooth: hci0: HCI_REQ-0x0c1a [ 69.363514] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 69.375811] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 69.377866] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 69.381765] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 69.384885] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 69.386829] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 69.399755] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 69.406242] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 69.408627] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 69.429105] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 69.434034] Bluetooth: hci1: HCI_REQ-0x0c1a [ 69.439452] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 69.441067] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 69.442299] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 69.444336] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 69.445786] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 69.448327] Bluetooth: hci2: HCI_REQ-0x0c1a [ 69.461491] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 69.463730] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 69.465781] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 69.468153] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 69.470193] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 69.472211] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 69.474730] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 69.479079] Bluetooth: hci7: HCI_REQ-0x0c1a [ 69.486298] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 69.493059] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 69.494566] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 69.496374] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 69.499199] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 69.499745] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 69.502286] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 69.506321] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 69.508060] Bluetooth: hci3: HCI_REQ-0x0c1a [ 69.509240] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 69.510670] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 69.516397] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 69.519625] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 69.523263] Bluetooth: hci5: HCI_REQ-0x0c1a [ 69.552308] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 69.553623] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 69.575566] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 69.576699] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 69.579471] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 69.580553] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 69.581852] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 69.583134] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 69.589120] Bluetooth: hci4: HCI_REQ-0x0c1a [ 69.609982] Bluetooth: hci6: HCI_REQ-0x0c1a [ 71.379512] Bluetooth: hci0: command 0x0409 tx timeout [ 71.506025] Bluetooth: hci7: command 0x0409 tx timeout [ 71.506065] Bluetooth: hci1: command 0x0409 tx timeout [ 71.506773] Bluetooth: hci2: command 0x0409 tx timeout [ 71.570057] Bluetooth: hci3: command 0x0409 tx timeout [ 71.570121] Bluetooth: hci5: command 0x0409 tx timeout [ 71.633982] Bluetooth: hci4: command 0x0409 tx timeout [ 71.634986] Bluetooth: hci6: command 0x0409 tx timeout [ 73.427465] Bluetooth: hci0: command 0x041b tx timeout [ 73.553968] Bluetooth: hci1: command 0x041b tx timeout [ 73.554428] Bluetooth: hci7: command 0x041b tx timeout [ 73.555301] Bluetooth: hci2: command 0x041b tx timeout [ 73.618002] Bluetooth: hci3: command 0x041b tx timeout [ 73.619015] Bluetooth: hci5: command 0x041b tx timeout [ 73.683867] Bluetooth: hci6: command 0x041b tx timeout [ 73.684321] Bluetooth: hci4: command 0x041b tx timeout [ 75.475112] Bluetooth: hci0: command 0x040f tx timeout [ 75.602148] Bluetooth: hci2: command 0x040f tx timeout [ 75.602949] Bluetooth: hci7: command 0x040f tx timeout [ 75.603665] Bluetooth: hci1: command 0x040f tx timeout [ 75.666006] Bluetooth: hci5: command 0x040f tx timeout [ 75.666785] Bluetooth: hci3: command 0x040f tx timeout [ 75.730060] Bluetooth: hci4: command 0x040f tx timeout [ 75.730813] Bluetooth: hci6: command 0x040f tx timeout [ 77.524059] Bluetooth: hci0: command 0x0419 tx timeout [ 77.650017] Bluetooth: hci1: command 0x0419 tx timeout [ 77.650806] Bluetooth: hci7: command 0x0419 tx timeout [ 77.651601] Bluetooth: hci2: command 0x0419 tx timeout [ 77.715205] Bluetooth: hci3: command 0x0419 tx timeout [ 77.716087] Bluetooth: hci5: command 0x0419 tx timeout [ 77.778984] Bluetooth: hci6: command 0x0419 tx timeout [ 77.779768] Bluetooth: hci4: command 0x0419 tx timeout 03:52:29 executing program 6: r0 = openat$ttyS3(0xffffffffffffff9c, &(0x7f00000003c0), 0x0, 0x0) ioctl$TIOCGETD(r0, 0x5450, 0x0) 03:52:29 executing program 6: r0 = openat$ttyS3(0xffffffffffffff9c, &(0x7f00000003c0), 0x0, 0x0) ioctl$TIOCGETD(r0, 0x5450, 0x0) 03:52:29 executing program 6: r0 = openat$ttyS3(0xffffffffffffff9c, &(0x7f00000003c0), 0x0, 0x0) ioctl$TIOCGETD(r0, 0x5450, 0x0) 03:52:29 executing program 6: socketpair(0x0, 0x0, 0x0, &(0x7f00000000c0)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) 03:52:30 executing program 6: perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x1c300, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000480)}, 0x81}, 0x0, 0xffffffefffffffff, 0xffffffffffffffff, 0x0) r0 = signalfd4(0xffffffffffffffff, &(0x7f0000000200), 0x8, 0x0) epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, r0, &(0x7f0000000240)={0xa0002000}) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$TIOCSPTLCK(r1, 0x40045431, &(0x7f0000000040)) r2 = ioctl$TIOCGPTPEER(r1, 0x5441, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x26e1, 0x0) dup2(r2, 0xffffffffffffffff) [ 126.003110] audit: type=1400 audit(1664423550.419:7): avc: denied { open } for pid=3794 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 [ 126.008018] audit: type=1400 audit(1664423550.420:8): avc: denied { kernel } for pid=3794 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 [ 126.020380] ------------[ cut here ]------------ [ 126.020401] [ 126.020405] ====================================================== [ 126.020409] WARNING: possible circular locking dependency detected [ 126.020413] 6.0.0-rc7-next-20220928 #1 Not tainted [ 126.020420] ------------------------------------------------------ [ 126.020423] syz-executor.6/3796 is trying to acquire lock: [ 126.020430] ffffffff853faab8 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70 [ 126.020473] [ 126.020473] but task is already holding lock: [ 126.020476] ffff88801aa20020 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 126.020506] [ 126.020506] which lock already depends on the new lock. [ 126.020506] [ 126.020509] [ 126.020509] the existing dependency chain (in reverse order) is: [ 126.020512] [ 126.020512] -> #3 (&ctx->lock){....}-{2:2}: [ 126.020527] _raw_spin_lock+0x2a/0x40 [ 126.020540] __perf_event_task_sched_out+0x53b/0x18d0 [ 126.020554] __schedule+0xedd/0x2470 [ 126.020572] schedule+0xda/0x1b0 [ 126.020588] exit_to_user_mode_prepare+0x114/0x1a0 [ 126.020601] syscall_exit_to_user_mode+0x19/0x40 [ 126.020617] do_syscall_64+0x48/0x90 [ 126.020628] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 126.020644] [ 126.020644] -> #2 (&rq->__lock){-.-.}-{2:2}: [ 126.020658] _raw_spin_lock_nested+0x30/0x40 [ 126.020671] raw_spin_rq_lock_nested+0x1e/0x30 [ 126.020684] task_fork_fair+0x63/0x4d0 [ 126.020703] sched_cgroup_fork+0x3d0/0x540 [ 126.020718] copy_process+0x4183/0x6e20 [ 126.020729] kernel_clone+0xe7/0x890 [ 126.020739] user_mode_thread+0xad/0xf0 [ 126.020750] rest_init+0x24/0x250 [ 126.020764] arch_call_rest_init+0xf/0x14 [ 126.020785] start_kernel+0x4c6/0x4eb [ 126.020803] secondary_startup_64_no_verify+0xe0/0xeb [ 126.020818] [ 126.020818] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 126.020832] _raw_spin_lock_irqsave+0x39/0x60 [ 126.020845] try_to_wake_up+0xab/0x1930 [ 126.020859] up+0x75/0xb0 [ 126.020877] __up_console_sem+0x6e/0x80 [ 126.020897] console_unlock+0x46a/0x590 [ 126.020914] vt_ioctl+0x2822/0x2ca0 [ 126.020932] tty_ioctl+0x785/0x16b0 [ 126.020945] __x64_sys_ioctl+0x19a/0x210 [ 126.020962] do_syscall_64+0x3b/0x90 [ 126.020972] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 126.020987] [ 126.020987] -> #0 ((console_sem).lock){....}-{2:2}: [ 126.021002] __lock_acquire+0x2a02/0x5e70 [ 126.021020] lock_acquire+0x1a2/0x530 [ 126.021038] _raw_spin_lock_irqsave+0x39/0x60 [ 126.021051] down_trylock+0xe/0x70 [ 126.021069] __down_trylock_console_sem+0x3b/0xd0 [ 126.021087] vprintk_emit+0x16b/0x560 [ 126.021105] vprintk+0x84/0xa0 [ 126.021123] _printk+0xba/0xf1 [ 126.021137] report_bug.cold+0x72/0xab [ 126.021146] handle_bug+0x3c/0x70 [ 126.021157] exc_invalid_op+0x14/0x50 [ 126.021168] asm_exc_invalid_op+0x16/0x20 [ 126.021182] group_sched_out.part.0+0x2c7/0x460 [ 126.021194] ctx_sched_out+0x8f1/0xc10 [ 126.021205] __perf_event_task_sched_out+0x6d0/0x18d0 [ 126.021218] __schedule+0xedd/0x2470 [ 126.021235] schedule+0xda/0x1b0 [ 126.021252] exit_to_user_mode_prepare+0x114/0x1a0 [ 126.021263] syscall_exit_to_user_mode+0x19/0x40 [ 126.021278] do_syscall_64+0x48/0x90 [ 126.021289] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 126.021304] [ 126.021304] other info that might help us debug this: [ 126.021304] [ 126.021307] Chain exists of: [ 126.021307] (console_sem).lock --> &rq->__lock --> &ctx->lock [ 126.021307] [ 126.021322] Possible unsafe locking scenario: [ 126.021322] [ 126.021325] CPU0 CPU1 [ 126.021327] ---- ---- [ 126.021330] lock(&ctx->lock); [ 126.021335] lock(&rq->__lock); [ 126.021342] lock(&ctx->lock); [ 126.021349] lock((console_sem).lock); [ 126.021355] [ 126.021355] *** DEADLOCK *** [ 126.021355] [ 126.021357] 2 locks held by syz-executor.6/3796: [ 126.021364] #0: ffff88806ce37d18 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470 [ 126.021398] #1: ffff88801aa20020 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 126.021427] [ 126.021427] stack backtrace: [ 126.021430] CPU: 0 PID: 3796 Comm: syz-executor.6 Not tainted 6.0.0-rc7-next-20220928 #1 [ 126.021443] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 126.021451] Call Trace: [ 126.021455] [ 126.021459] dump_stack_lvl+0x8b/0xb3 [ 126.021471] check_noncircular+0x263/0x2e0 [ 126.021490] ? format_decode+0x26c/0xb50 [ 126.021509] ? print_circular_bug+0x450/0x450 [ 126.021528] ? enable_ptr_key_workfn+0x20/0x20 [ 126.021548] ? format_decode+0x26c/0xb50 [ 126.021569] ? alloc_chain_hlocks+0x1ec/0x5a0 [ 126.021589] __lock_acquire+0x2a02/0x5e70 [ 126.021612] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 126.021637] lock_acquire+0x1a2/0x530 [ 126.021656] ? down_trylock+0xe/0x70 [ 126.021677] ? lock_release+0x750/0x750 [ 126.021700] ? vprintk+0x84/0xa0 [ 126.021720] _raw_spin_lock_irqsave+0x39/0x60 [ 126.021734] ? down_trylock+0xe/0x70 [ 126.021753] down_trylock+0xe/0x70 [ 126.021773] ? vprintk+0x84/0xa0 [ 126.021792] __down_trylock_console_sem+0x3b/0xd0 [ 126.021811] vprintk_emit+0x16b/0x560 [ 126.021832] vprintk+0x84/0xa0 [ 126.021852] _printk+0xba/0xf1 [ 126.021866] ? record_print_text.cold+0x16/0x16 [ 126.021885] ? report_bug.cold+0x66/0xab [ 126.021897] ? group_sched_out.part.0+0x2c7/0x460 [ 126.021910] report_bug.cold+0x72/0xab [ 126.021923] handle_bug+0x3c/0x70 [ 126.021934] exc_invalid_op+0x14/0x50 [ 126.021946] asm_exc_invalid_op+0x16/0x20 [ 126.021962] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 126.021977] 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 [ 126.021988] RSP: 0018:ffff88804014fc48 EFLAGS: 00010006 [ 126.021998] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 126.022006] RDX: ffff888015f01ac0 RSI: ffffffff815662f7 RDI: 0000000000000005 [ 126.022014] RBP: ffff8880086605c8 R08: 0000000000000005 R09: 0000000000000001 [ 126.022021] R10: 0000000000000000 R11: ffffffff865b401b R12: ffff88801aa20000 [ 126.022029] R13: ffff88806ce3d140 R14: ffffffff8547cf00 R15: 0000000000000002 [ 126.022041] ? group_sched_out.part.0+0x2c7/0x460 [ 126.022055] ? group_sched_out.part.0+0x2c7/0x460 [ 126.022070] ctx_sched_out+0x8f1/0xc10 [ 126.022084] __perf_event_task_sched_out+0x6d0/0x18d0 [ 126.022101] ? lock_is_held_type+0xd7/0x130 [ 126.022117] ? __perf_cgroup_move+0x160/0x160 [ 126.022131] ? set_next_entity+0x304/0x550 [ 126.022150] ? update_curr+0x267/0x740 [ 126.022171] ? lock_is_held_type+0xd7/0x130 [ 126.022188] __schedule+0xedd/0x2470 [ 126.022209] ? io_schedule_timeout+0x150/0x150 [ 126.022229] ? rcu_read_lock_sched_held+0x3e/0x80 [ 126.022251] schedule+0xda/0x1b0 [ 126.022270] exit_to_user_mode_prepare+0x114/0x1a0 [ 126.022283] syscall_exit_to_user_mode+0x19/0x40 [ 126.022299] do_syscall_64+0x48/0x90 [ 126.022311] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 126.022327] RIP: 0033:0x7f5bd993ab19 [ 126.022336] 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 [ 126.022347] RSP: 002b:00007f5bd6eb0218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 126.022358] RAX: 0000000000000001 RBX: 00007f5bd9a4df68 RCX: 00007f5bd993ab19 [ 126.022366] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f5bd9a4df6c [ 126.022374] RBP: 00007f5bd9a4df60 R08: 000000000000000e R09: 0000000000000000 [ 126.022381] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f5bd9a4df6c [ 126.022389] R13: 00007ffd120e85af R14: 00007f5bd6eb0300 R15: 0000000000022000 [ 126.022403] [ 126.078907] WARNING: CPU: 0 PID: 3796 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460 [ 126.079610] Modules linked in: [ 126.079876] CPU: 0 PID: 3796 Comm: syz-executor.6 Not tainted 6.0.0-rc7-next-20220928 #1 [ 126.080485] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 126.081306] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 126.081757] 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 [ 126.083092] RSP: 0018:ffff88804014fc48 EFLAGS: 00010006 [ 126.083484] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 126.084007] RDX: ffff888015f01ac0 RSI: ffffffff815662f7 RDI: 0000000000000005 [ 126.084533] RBP: ffff8880086605c8 R08: 0000000000000005 R09: 0000000000000001 [ 126.085050] R10: 0000000000000000 R11: ffffffff865b401b R12: ffff88801aa20000 [ 126.085569] R13: ffff88806ce3d140 R14: ffffffff8547cf00 R15: 0000000000000002 [ 126.086093] FS: 00007f5bd6eb0700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 126.086679] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 126.087113] CR2: 00007faae9110260 CR3: 000000003f27a000 CR4: 0000000000350ef0 [ 126.087647] Call Trace: [ 126.087844] [ 126.088019] ctx_sched_out+0x8f1/0xc10 [ 126.088326] __perf_event_task_sched_out+0x6d0/0x18d0 [ 126.088709] ? lock_is_held_type+0xd7/0x130 [ 126.089037] ? __perf_cgroup_move+0x160/0x160 [ 126.089382] ? set_next_entity+0x304/0x550 [ 126.089710] ? update_curr+0x267/0x740 [ 126.090012] ? lock_is_held_type+0xd7/0x130 [ 126.090333] __schedule+0xedd/0x2470 [ 126.090624] ? io_schedule_timeout+0x150/0x150 [ 126.090976] ? rcu_read_lock_sched_held+0x3e/0x80 [ 126.091346] schedule+0xda/0x1b0 [ 126.091613] exit_to_user_mode_prepare+0x114/0x1a0 [ 126.091984] syscall_exit_to_user_mode+0x19/0x40 [ 126.092351] do_syscall_64+0x48/0x90 [ 126.092639] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 126.093022] RIP: 0033:0x7f5bd993ab19 [ 126.093307] 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 [ 126.094626] RSP: 002b:00007f5bd6eb0218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 126.095184] RAX: 0000000000000001 RBX: 00007f5bd9a4df68 RCX: 00007f5bd993ab19 [ 126.095707] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f5bd9a4df6c [ 126.096250] RBP: 00007f5bd9a4df60 R08: 000000000000000e R09: 0000000000000000 [ 126.096770] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f5bd9a4df6c [ 126.097289] R13: 00007ffd120e85af R14: 00007f5bd6eb0300 R15: 0000000000022000 [ 126.097828] [ 126.098007] irq event stamp: 580 [ 126.098259] hardirqs last enabled at (579): [] exit_to_user_mode_prepare+0x109/0x1a0 [ 126.098933] hardirqs last disabled at (580): [] __schedule+0x1225/0x2470 [ 126.099549] softirqs last enabled at (0): [] copy_process+0x1e15/0x6e20 [ 126.100164] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 126.100629] ---[ end trace 0000000000000000 ]--- [ 126.417913] hrtimer: interrupt took 21430 ns 03:52:30 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, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x1c300, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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={&(0x7f0000000480)}, 0x81}, 0x0, 0xffffffefffffffff, 0xffffffffffffffff, 0x0) r0 = signalfd4(0xffffffffffffffff, &(0x7f0000000200), 0x8, 0x0) epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, r0, &(0x7f0000000240)={0xa0002000}) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$TIOCSPTLCK(r1, 0x40045431, &(0x7f0000000040)) r2 = ioctl$TIOCGPTPEER(r1, 0x5441, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x26e1, 0x0) dup2(r2, 0xffffffffffffffff) 03:52:31 executing program 6: perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x1c300, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000480)}, 0x81}, 0x0, 0xffffffefffffffff, 0xffffffffffffffff, 0x0) r0 = signalfd4(0xffffffffffffffff, &(0x7f0000000200), 0x8, 0x0) epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, r0, &(0x7f0000000240)={0xa0002000}) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$TIOCSPTLCK(r1, 0x40045431, &(0x7f0000000040)) r2 = ioctl$TIOCGPTPEER(r1, 0x5441, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x26e1, 0x0) dup2(r2, 0xffffffffffffffff) 03:52:31 executing program 6: perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x1c300, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000480)}, 0x81}, 0x0, 0xffffffefffffffff, 0xffffffffffffffff, 0x0) r0 = signalfd4(0xffffffffffffffff, &(0x7f0000000200), 0x8, 0x0) epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, r0, &(0x7f0000000240)={0xa0002000}) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$TIOCSPTLCK(r1, 0x40045431, &(0x7f0000000040)) r2 = ioctl$TIOCGPTPEER(r1, 0x5441, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x26e1, 0x0) dup2(r2, 0xffffffffffffffff) [ 130.793243] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 130.795954] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 130.796860] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 130.799332] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 130.800487] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 130.801540] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 130.804345] Bluetooth: hci0: HCI_REQ-0x0c1a [ 130.928258] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 130.929872] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 130.931681] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 130.936115] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 130.938226] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 130.939577] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 130.944946] Bluetooth: hci4: HCI_REQ-0x0c1a [ 132.819020] Bluetooth: hci0: command 0x0409 tx timeout [ 132.882961] Bluetooth: hci3: Opcode 0x c03 failed: -110 [ 132.883491] Bluetooth: hci1: Opcode 0x c03 failed: -110 [ 132.945932] Bluetooth: hci6: Opcode 0x c03 failed: -110 [ 133.009941] Bluetooth: hci4: command 0x0409 tx timeout [ 134.865994] Bluetooth: hci0: command 0x041b tx timeout [ 135.068213] Bluetooth: hci4: command 0x041b tx timeout VM DIAGNOSIS: 03:52:30 Registers: info registers vcpu 0 RAX=000000000000006f RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff823ba131 RDI=ffffffff8765a980 RBP=ffffffff8765a940 RSP=ffff88804014f690 R8 =0000000000000001 R9 =000000000000000a R10=000000000000006f R11=0000000000000001 R12=000000000000006f R13=ffffffff8765a940 R14=0000000000000010 R15=ffffffff823ba120 RIP=ffffffff823ba189 RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f5bd6eb0700 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=00007faae9110260 CR3=000000003f27a000 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 00007f5bd9a217c0 00007f5bd9a217c8 YMM02=0000000000000000 0000000000000000 00007f5bd9a217e0 00007f5bd9a217c0 YMM03=0000000000000000 0000000000000000 00007f5bd9a217c8 00007f5bd9a217c0 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=1ffff1100202958d RBX=ffff88801014ac38 RCX=ffffffff812a8ec1 RDX=0000000000000000 RSI=0000000000000000 RDI=ffff88801014ac68 RBP=ffff88800cdc6ae0 RSP=ffff888019e5fa58 R8 =0000000000000001 R9 =ffff888019e5f9fb R10=ffffed10033cbf3f R11=0000000000000001 R12=dffffc0000000000 R13=ffff88800da11400 R14=0000000000000000 R15=ffff88800da11400 RIP=ffffffff817bc0e4 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 =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff88806cf00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fd586b5f610 CR3=00000000101fc000 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 00362e6f732e6362 696c2f756e672d78 YMM02=0000000000000000 0000000000000000 ffff0000000000ff ffffffffffffffff YMM03=0000000000000000 0000000000000000 ffffffffffffffff ffffffffffffffff YMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000