Warning: Permanently added '[localhost]:38880' (ECDSA) to the list of known hosts. 2022/09/15 12:37:58 fuzzer started 2022/09/15 12:37:58 dialing manager at localhost:36559 syzkaller login: [ 40.250932] cgroup: Unknown subsys name 'net' [ 40.328598] cgroup: Unknown subsys name 'rlimit' 2022/09/15 12:38:11 syscalls: 2215 2022/09/15 12:38:11 code coverage: enabled 2022/09/15 12:38:11 comparison tracing: enabled 2022/09/15 12:38:11 extra coverage: enabled 2022/09/15 12:38:11 setuid sandbox: enabled 2022/09/15 12:38:11 namespace sandbox: enabled 2022/09/15 12:38:11 Android sandbox: enabled 2022/09/15 12:38:11 fault injection: enabled 2022/09/15 12:38:11 leak checking: enabled 2022/09/15 12:38:11 net packet injection: enabled 2022/09/15 12:38:11 net device setup: enabled 2022/09/15 12:38:11 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/09/15 12:38:11 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/09/15 12:38:11 USB emulation: enabled 2022/09/15 12:38:11 hci packet injection: enabled 2022/09/15 12:38:11 wifi device emulation: failed to parse kernel version (6.0.0-rc5-next-20220915) 2022/09/15 12:38:11 802.15.4 emulation: enabled 2022/09/15 12:38:11 fetching corpus: 0, signal 0/2000 (executing program) 2022/09/15 12:38:11 fetching corpus: 50, signal 30432/33879 (executing program) 2022/09/15 12:38:12 fetching corpus: 100, signal 48096/52733 (executing program) 2022/09/15 12:38:12 fetching corpus: 150, signal 54786/60700 (executing program) 2022/09/15 12:38:12 fetching corpus: 200, signal 60152/67280 (executing program) 2022/09/15 12:38:12 fetching corpus: 250, signal 66572/74751 (executing program) 2022/09/15 12:38:12 fetching corpus: 300, signal 72717/81899 (executing program) 2022/09/15 12:38:12 fetching corpus: 350, signal 78822/88820 (executing program) 2022/09/15 12:38:12 fetching corpus: 400, signal 82035/93025 (executing program) 2022/09/15 12:38:12 fetching corpus: 450, signal 86525/98247 (executing program) 2022/09/15 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(executing program) 2022/09/15 12:38:19 fetching corpus: 2900, signal 173212/194192 (executing program) 2022/09/15 12:38:19 fetching corpus: 2950, signal 174373/195041 (executing program) 2022/09/15 12:38:20 fetching corpus: 3000, signal 175826/196018 (executing program) 2022/09/15 12:38:20 fetching corpus: 3050, signal 176700/196653 (executing program) 2022/09/15 12:38:20 fetching corpus: 3100, signal 177477/197279 (executing program) 2022/09/15 12:38:20 fetching corpus: 3150, signal 178143/197825 (executing program) 2022/09/15 12:38:20 fetching corpus: 3200, signal 179181/198503 (executing program) 2022/09/15 12:38:20 fetching corpus: 3250, signal 179798/199001 (executing program) 2022/09/15 12:38:20 fetching corpus: 3300, signal 180343/199498 (executing program) 2022/09/15 12:38:21 fetching corpus: 3350, signal 181539/200364 (executing program) 2022/09/15 12:38:21 fetching corpus: 3400, signal 182365/200964 (executing program) 2022/09/15 12:38:21 fetching corpus: 3450, signal 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corpus: 4650, signal 200420/210143 (executing program) 2022/09/15 12:38:24 fetching corpus: 4700, signal 201144/210432 (executing program) 2022/09/15 12:38:24 fetching corpus: 4750, signal 201823/210557 (executing program) 2022/09/15 12:38:24 fetching corpus: 4800, signal 203021/210710 (executing program) 2022/09/15 12:38:24 fetching corpus: 4850, signal 203548/210802 (executing program) 2022/09/15 12:38:25 fetching corpus: 4900, signal 204613/211172 (executing program) 2022/09/15 12:38:25 fetching corpus: 4919, signal 204876/211238 (executing program) 2022/09/15 12:38:25 fetching corpus: 4919, signal 204876/211294 (executing program) 2022/09/15 12:38:25 fetching corpus: 4919, signal 204876/211304 (executing program) 2022/09/15 12:38:25 fetching corpus: 4919, signal 204876/211304 (executing program) 2022/09/15 12:38:28 starting 8 fuzzer processes 12:38:28 executing program 0: r0 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r0, 0xc0189378, 0x0) 12:38:28 executing program 1: sendmsg$BATADV_CMD_GET_ORIGINATORS(0xffffffffffffffff, 0x0, 0x0) sendmsg$SEG6_CMD_SETHMAC(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$team(&(0x7f0000000280), 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, 0x0) 12:38:28 executing program 2: r0 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000140)='/sys/class/ieee802154', 0x0, 0x0) mkdirat(r0, &(0x7f0000000100)='./file0\x00', 0x0) 12:38:28 executing program 3: r0 = fsopen(&(0x7f0000000000)='cpuset\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x6, 0x0, 0x0, 0x0) [ 69.508614] audit: type=1400 audit(1663245508.122:6): avc: denied { execmem } for pid=284 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 12:38:28 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) bind$inet6(r1, &(0x7f0000001600)={0xa, 0x0, 0x0, @remote, 0x2}, 0x1c) setsockopt$inet6_IPV6_PKTINFO(r1, 0x29, 0x32, &(0x7f0000000240)={@ipv4}, 0x14) 12:38:28 executing program 4: close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) r0 = getpid() r1 = pidfd_open(r0, 0x0) process_madvise(r1, 0x0, 0x0, 0x0, 0x0) 12:38:28 executing program 6: perf_event_open(&(0x7f0000000100)={0x2, 0x80, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x1, @perf_config_ext={0x3, 0x2}, 0x4800, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffe, 0x0, 0x0, 0x0, 0xfffffffffffffffe}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9) perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000040), 0xb}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @ipv4={'\x00', '\xff\xff', @loopback}}, 0x1c) connect$inet6(r0, &(0x7f0000000080)={0xa, 0x4e23, 0xaeca, @mcast2, 0x6}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR(r0, 0x6, 0x13, &(0x7f00000001c0)=0x1, 0x4) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) mmap$IORING_OFF_SQ_RING(&(0x7f0000ffc000/0x2000)=nil, 0x2000, 0x1000004, 0x2811, 0xffffffffffffffff, 0x0) 12:38:28 executing program 7: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000240)='./file0\x00', 0x0, 0x2, &(0x7f0000000380)=[{&(0x7f0000010000)="601c6d6b646f736689254300080120000400004000f8000020004000030000000000000001", 0x73}, {0x0, 0x0, 0x10000}], 0x0, &(0x7f0000011200)=ANY=[]) chdir(&(0x7f00000000c0)='./file0\x00') io_setup(0x6, &(0x7f0000000040)=0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x105241, 0x0) chdir(&(0x7f0000000140)='./file0\x00') openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0, 0x0) io_uring_register$IORING_REGISTER_PERSONALITY(0xffffffffffffffff, 0x9, 0x0, 0x0) perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000040)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xb) io_submit(r0, 0x4000, &(0x7f00000004c0)=[&(0x7f0000000200)={0xeffdffff, 0x8008, 0x10, 0x1, 0x0, r1, &(0x7f00000001c0)="10", 0x1}]) [ 70.812797] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 70.815784] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 70.817463] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 70.819569] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 70.821778] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 70.824694] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 70.828431] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 70.859100] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 70.865904] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 70.867399] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 70.870208] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 70.871422] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 70.872983] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 70.874313] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 70.884154] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 70.886390] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 70.887827] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 70.891852] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 70.893297] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 70.893984] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 70.896267] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 70.901814] Bluetooth: hci7: HCI_REQ-0x0c1a [ 70.904105] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 70.905526] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 70.913487] Bluetooth: hci2: HCI_REQ-0x0c1a [ 70.926545] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 70.934557] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 70.935761] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 70.938560] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 70.940484] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 70.941633] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 70.944164] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 70.945788] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 70.947470] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 70.951255] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 70.952464] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 70.953557] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 70.954746] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 70.956445] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 70.957604] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 70.959124] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 70.960850] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 70.962130] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 70.963285] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 70.965808] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 70.967180] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 70.968870] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 70.972882] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 70.974134] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 70.975326] Bluetooth: hci5: HCI_REQ-0x0c1a [ 70.976560] Bluetooth: hci4: HCI_REQ-0x0c1a [ 70.979617] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 70.984221] Bluetooth: hci3: HCI_REQ-0x0c1a [ 70.991196] Bluetooth: hci6: HCI_REQ-0x0c1a [ 70.995323] Bluetooth: hci1: HCI_REQ-0x0c1a [ 70.996492] Bluetooth: hci0: HCI_REQ-0x0c1a [ 72.948390] Bluetooth: hci7: command 0x0409 tx timeout [ 72.949790] Bluetooth: hci2: command 0x0409 tx timeout [ 73.011777] Bluetooth: hci5: command 0x0409 tx timeout [ 73.012809] Bluetooth: hci3: command 0x0409 tx timeout [ 73.012836] Bluetooth: hci6: command 0x0409 tx timeout [ 73.014216] Bluetooth: hci0: command 0x0409 tx timeout [ 73.014784] Bluetooth: hci4: command 0x0409 tx timeout [ 73.075698] Bluetooth: hci1: command 0x0409 tx timeout [ 74.995757] Bluetooth: hci2: command 0x041b tx timeout [ 74.996866] Bluetooth: hci7: command 0x041b tx timeout [ 75.059823] Bluetooth: hci4: command 0x041b tx timeout [ 75.060452] Bluetooth: hci0: command 0x041b tx timeout [ 75.061040] Bluetooth: hci6: command 0x041b tx timeout [ 75.061560] Bluetooth: hci3: command 0x041b tx timeout [ 75.062189] Bluetooth: hci5: command 0x041b tx timeout [ 75.123694] Bluetooth: hci1: command 0x041b tx timeout [ 77.044778] Bluetooth: hci7: command 0x040f tx timeout [ 77.045298] Bluetooth: hci2: command 0x040f tx timeout [ 77.107777] Bluetooth: hci5: command 0x040f tx timeout [ 77.109170] Bluetooth: hci3: command 0x040f tx timeout [ 77.109619] Bluetooth: hci6: command 0x040f tx timeout [ 77.110449] Bluetooth: hci0: command 0x040f tx timeout [ 77.111120] Bluetooth: hci4: command 0x040f tx timeout [ 77.172698] Bluetooth: hci1: command 0x040f tx timeout [ 79.092735] Bluetooth: hci2: command 0x0419 tx timeout [ 79.093205] Bluetooth: hci7: command 0x0419 tx timeout [ 79.156764] Bluetooth: hci4: command 0x0419 tx timeout [ 79.157208] Bluetooth: hci0: command 0x0419 tx timeout [ 79.157608] Bluetooth: hci6: command 0x0419 tx timeout [ 79.158344] Bluetooth: hci3: command 0x0419 tx timeout [ 79.158976] Bluetooth: hci5: command 0x0419 tx timeout [ 79.220702] Bluetooth: hci1: command 0x0419 tx timeout [ 128.822597] loop7: detected capacity change from 0 to 256 [ 128.884857] FAT-fs (loop7): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 128.915633] audit: type=1400 audit(1663245567.529:7): avc: denied { open } for pid=3882 comm="syz-executor.7" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 128.917173] audit: type=1400 audit(1663245567.529:8): avc: denied { kernel } for pid=3882 comm="syz-executor.7" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 128.945276] ------------[ cut here ]------------ [ 128.945298] [ 128.945301] ====================================================== [ 128.945305] WARNING: possible circular locking dependency detected [ 128.945310] 6.0.0-rc5-next-20220915 #1 Not tainted [ 128.945316] ------------------------------------------------------ [ 128.945320] syz-executor.7/3889 is trying to acquire lock: [ 128.945326] ffffffff853fa878 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70 [ 128.945385] [ 128.945385] but task is already holding lock: [ 128.945388] ffff88800d558820 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 128.945417] [ 128.945417] which lock already depends on the new lock. [ 128.945417] [ 128.945420] [ 128.945420] the existing dependency chain (in reverse order) is: [ 128.945423] [ 128.945423] -> #3 (&ctx->lock){....}-{2:2}: [ 128.945437] _raw_spin_lock+0x2a/0x40 [ 128.945456] __perf_event_task_sched_out+0x53b/0x18d0 [ 128.945468] __schedule+0xedd/0x2470 [ 128.945479] schedule+0xda/0x1b0 [ 128.945489] exit_to_user_mode_prepare+0x114/0x1a0 [ 128.945510] syscall_exit_to_user_mode+0x19/0x40 [ 128.945529] do_syscall_64+0x48/0x90 [ 128.945543] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 128.945562] [ 128.945562] -> #2 (&rq->__lock){-.-.}-{2:2}: [ 128.945576] _raw_spin_lock_nested+0x30/0x40 [ 128.945591] raw_spin_rq_lock_nested+0x1e/0x30 [ 128.945605] task_fork_fair+0x63/0x4d0 [ 128.945622] sched_cgroup_fork+0x3d0/0x540 [ 128.945639] copy_process+0x4183/0x6e20 [ 128.945650] kernel_clone+0xe7/0x890 [ 128.945659] user_mode_thread+0xad/0xf0 [ 128.945669] rest_init+0x24/0x250 [ 128.945686] arch_call_rest_init+0xf/0x14 [ 128.945699] start_kernel+0x4c1/0x4e6 [ 128.945709] secondary_startup_64_no_verify+0xe0/0xeb [ 128.945724] [ 128.945724] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 128.945737] _raw_spin_lock_irqsave+0x39/0x60 [ 128.945753] try_to_wake_up+0xab/0x1920 [ 128.945767] up+0x75/0xb0 [ 128.945778] __up_console_sem+0x6e/0x80 [ 128.945795] console_unlock+0x46a/0x590 [ 128.945811] vt_ioctl+0x2822/0x2ca0 [ 128.945824] tty_ioctl+0x7c4/0x1700 [ 128.945836] __x64_sys_ioctl+0x19a/0x210 [ 128.945852] do_syscall_64+0x3b/0x90 [ 128.945866] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 128.945883] [ 128.945883] -> #0 ((console_sem).lock){....}-{2:2}: [ 128.945897] __lock_acquire+0x2a02/0x5e70 [ 128.945914] lock_acquire+0x1a2/0x530 [ 128.945930] _raw_spin_lock_irqsave+0x39/0x60 [ 128.945946] down_trylock+0xe/0x70 [ 128.945958] __down_trylock_console_sem+0x3b/0xd0 [ 128.945975] vprintk_emit+0x16b/0x560 [ 128.945992] vprintk+0x84/0xa0 [ 128.946008] _printk+0xba/0xf1 [ 128.946027] report_bug.cold+0x72/0xab [ 128.946040] handle_bug+0x3c/0x70 [ 128.946053] exc_invalid_op+0x14/0x50 [ 128.946067] asm_exc_invalid_op+0x16/0x20 [ 128.946084] group_sched_out.part.0+0x2c7/0x460 [ 128.946095] ctx_sched_out+0x8f1/0xc10 [ 128.946104] __perf_event_task_sched_out+0x6d0/0x18d0 [ 128.946116] __schedule+0xedd/0x2470 [ 128.946127] schedule+0xda/0x1b0 [ 128.946136] exit_to_user_mode_prepare+0x114/0x1a0 [ 128.946156] syscall_exit_to_user_mode+0x19/0x40 [ 128.946174] do_syscall_64+0x48/0x90 [ 128.946187] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 128.946205] [ 128.946205] other info that might help us debug this: [ 128.946205] [ 128.946208] Chain exists of: [ 128.946208] (console_sem).lock --> &rq->__lock --> &ctx->lock [ 128.946208] [ 128.946223] Possible unsafe locking scenario: [ 128.946223] [ 128.946225] CPU0 CPU1 [ 128.946228] ---- ---- [ 128.946230] lock(&ctx->lock); [ 128.946236] lock(&rq->__lock); [ 128.946243] lock(&ctx->lock); [ 128.946249] lock((console_sem).lock); [ 128.946255] [ 128.946255] *** DEADLOCK *** [ 128.946255] [ 128.946257] 2 locks held by syz-executor.7/3889: [ 128.946264] #0: ffff88806cf37cd8 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470 [ 128.946290] #1: ffff88800d558820 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 128.946317] [ 128.946317] stack backtrace: [ 128.946320] CPU: 1 PID: 3889 Comm: syz-executor.7 Not tainted 6.0.0-rc5-next-20220915 #1 [ 128.946333] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 128.946341] Call Trace: [ 128.946345] [ 128.946350] dump_stack_lvl+0x8b/0xb3 [ 128.946365] check_noncircular+0x263/0x2e0 [ 128.946382] ? format_decode+0x26c/0xb50 [ 128.946398] ? print_circular_bug+0x450/0x450 [ 128.946415] ? enable_ptr_key_workfn+0x20/0x20 [ 128.946430] ? format_decode+0x26c/0xb50 [ 128.946446] ? alloc_chain_hlocks+0x1ec/0x5a0 [ 128.946464] __lock_acquire+0x2a02/0x5e70 [ 128.946486] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 128.946509] lock_acquire+0x1a2/0x530 [ 128.946526] ? down_trylock+0xe/0x70 [ 128.946541] ? rcu_read_unlock+0x40/0x40 [ 128.946562] ? vprintk+0x84/0xa0 [ 128.946580] _raw_spin_lock_irqsave+0x39/0x60 [ 128.946596] ? down_trylock+0xe/0x70 [ 128.946610] down_trylock+0xe/0x70 [ 128.946623] ? vprintk+0x84/0xa0 [ 128.946641] __down_trylock_console_sem+0x3b/0xd0 [ 128.946658] vprintk_emit+0x16b/0x560 [ 128.946678] vprintk+0x84/0xa0 [ 128.946696] _printk+0xba/0xf1 [ 128.946714] ? record_print_text.cold+0x16/0x16 [ 128.946737] ? report_bug.cold+0x66/0xab [ 128.946752] ? group_sched_out.part.0+0x2c7/0x460 [ 128.946763] report_bug.cold+0x72/0xab [ 128.946778] handle_bug+0x3c/0x70 [ 128.946793] exc_invalid_op+0x14/0x50 [ 128.946808] asm_exc_invalid_op+0x16/0x20 [ 128.946826] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 128.946839] 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 [ 128.946851] RSP: 0018:ffff88801ef1fc48 EFLAGS: 00010006 [ 128.946860] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 128.946867] RDX: ffff8880186c1ac0 RSI: ffffffff81566027 RDI: 0000000000000005 [ 128.946875] RBP: ffff88801d880000 R08: 0000000000000005 R09: 0000000000000001 [ 128.946883] R10: 0000000000000000 R11: ffffffff865ac05b R12: ffff88800d558800 [ 128.946891] R13: ffff88806cf3d100 R14: ffffffff8547c660 R15: 0000000000000002 [ 128.946902] ? group_sched_out.part.0+0x2c7/0x460 [ 128.946915] ? group_sched_out.part.0+0x2c7/0x460 [ 128.946927] ctx_sched_out+0x8f1/0xc10 [ 128.946940] __perf_event_task_sched_out+0x6d0/0x18d0 [ 128.946955] ? lock_is_held_type+0xd7/0x130 [ 128.946975] ? __perf_cgroup_move+0x160/0x160 [ 128.946987] ? set_next_entity+0x304/0x550 [ 128.947005] ? update_curr+0x267/0x740 [ 128.947023] ? lock_is_held_type+0xd7/0x130 [ 128.947043] __schedule+0xedd/0x2470 [ 128.947056] ? io_schedule_timeout+0x150/0x150 [ 128.947069] ? rcu_read_lock_sched_held+0x3e/0x80 [ 128.947090] schedule+0xda/0x1b0 [ 128.947102] exit_to_user_mode_prepare+0x114/0x1a0 [ 128.947123] syscall_exit_to_user_mode+0x19/0x40 [ 128.947142] do_syscall_64+0x48/0x90 [ 128.947156] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 128.947175] RIP: 0033:0x7f5280586b19 [ 128.947183] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 128.947194] RSP: 002b:00007f527dadb218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 128.947205] RAX: 0000000000000001 RBX: 00007f528069a028 RCX: 00007f5280586b19 [ 128.947212] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f528069a02c [ 128.947220] RBP: 00007f528069a020 R08: 000000000000000e R09: 0000000000000000 [ 128.947227] R10: 0000000000000007 R11: 0000000000000246 R12: 00007f528069a02c [ 128.947235] R13: 00007ffcd93eaadf R14: 00007f527dadb300 R15: 0000000000022000 [ 128.947247] [ 129.002348] WARNING: CPU: 1 PID: 3889 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460 [ 129.002988] Modules linked in: [ 129.003217] CPU: 1 PID: 3889 Comm: syz-executor.7 Not tainted 6.0.0-rc5-next-20220915 #1 [ 129.003775] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 129.004550] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 129.004937] 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 [ 129.006195] RSP: 0018:ffff88801ef1fc48 EFLAGS: 00010006 [ 129.006571] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 129.007063] RDX: ffff8880186c1ac0 RSI: ffffffff81566027 RDI: 0000000000000005 [ 129.007558] RBP: ffff88801d880000 R08: 0000000000000005 R09: 0000000000000001 [ 129.008057] R10: 0000000000000000 R11: ffffffff865ac05b R12: ffff88800d558800 [ 129.008560] R13: ffff88806cf3d100 R14: ffffffff8547c660 R15: 0000000000000002 [ 129.009058] FS: 00007f527dadb700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 129.009630] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 129.010033] CR2: 00007fc9b915d4a0 CR3: 000000003fe58000 CR4: 0000000000350ee0 [ 129.010534] Call Trace: [ 129.010717] [ 129.010882] ctx_sched_out+0x8f1/0xc10 [ 129.011161] __perf_event_task_sched_out+0x6d0/0x18d0 [ 129.011530] ? lock_is_held_type+0xd7/0x130 [ 129.011845] ? __perf_cgroup_move+0x160/0x160 [ 129.012164] ? set_next_entity+0x304/0x550 [ 129.012473] ? update_curr+0x267/0x740 [ 129.012758] ? lock_is_held_type+0xd7/0x130 [ 129.013074] __schedule+0xedd/0x2470 [ 129.013352] ? io_schedule_timeout+0x150/0x150 [ 129.013686] ? rcu_read_lock_sched_held+0x3e/0x80 [ 129.014036] schedule+0xda/0x1b0 [ 129.014281] exit_to_user_mode_prepare+0x114/0x1a0 [ 129.014638] syscall_exit_to_user_mode+0x19/0x40 [ 129.014978] do_syscall_64+0x48/0x90 [ 129.015251] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 129.015621] RIP: 0033:0x7f5280586b19 [ 129.015887] 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 [ 129.017133] RSP: 002b:00007f527dadb218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 129.017673] RAX: 0000000000000001 RBX: 00007f528069a028 RCX: 00007f5280586b19 [ 129.018168] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f528069a02c [ 129.018660] RBP: 00007f528069a020 R08: 000000000000000e R09: 0000000000000000 [ 129.019153] R10: 0000000000000007 R11: 0000000000000246 R12: 00007f528069a02c [ 129.019650] R13: 00007ffcd93eaadf R14: 00007f527dadb300 R15: 0000000000022000 [ 129.020153] [ 129.020321] irq event stamp: 1482 [ 129.020563] hardirqs last enabled at (1481): [] exit_to_user_mode_prepare+0x109/0x1a0 [ 129.021226] hardirqs last disabled at (1482): [] __schedule+0x1225/0x2470 [ 129.021819] softirqs last enabled at (1212): [] __irq_exit_rcu+0x11b/0x180 [ 129.022417] softirqs last disabled at (1203): [] __irq_exit_rcu+0x11b/0x180 [ 129.023019] ---[ end trace 0000000000000000 ]--- [ 134.067818] Bluetooth: hci6: Opcode 0x c03 failed: -110 [ 134.067827] Bluetooth: hci5: Opcode 0x c03 failed: -110 [ 134.069907] Bluetooth: hci0: Opcode 0x c03 failed: -110 [ 138.291724] Bluetooth: hci0: Opcode 0x c03 failed: -110 [ 138.355684] Bluetooth: hci5: Opcode 0x c03 failed: -110 [ 138.356668] Bluetooth: hci6: Opcode 0x c03 failed: -110 VM DIAGNOSIS: 12:39:27 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=00007fd005898d82 RCX=1ffffffff0b600e8 RDX=0000000000000000 RSI=ffffffff81006ffc RDI=0000000000000007 RBP=00007fd005898d82 RSP=ffff88800feff4d8 R8 =0000000000000007 R9 =ffffffffff600000 R10=00007fd005898000 R11=000000000003603d R12=ffff88800feff5f0 R13=0000000000000000 R14=ffff88800ff23580 R15=0000000000092cc0 RIP=ffffffff81314321 RFL=00000246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 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=00007fd00584ab70 CR3=000000001db12000 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 2e6f747079726362 696c2f756e672d78 YMM02=0000000000000000 0000000000000000 00312e312e6f732e 6f74707972636269 YMM03=0000000000000000 0000000000000000 6c2f756e672d7875 6e696c2d34365f36 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 info registers vcpu 1 RAX=000000000000007b RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff822b29f1 RDI=ffffffff87641ba0 RBP=ffffffff87641b60 RSP=ffff88801ef1f698 R8 =0000000000000001 R9 =000000000000000a R10=000000000000007b R11=0000000000000001 R12=000000000000007b R13=ffffffff87641b60 R14=0000000000000010 R15=ffffffff822b29e0 RIP=ffffffff822b2a49 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 00007f527dadb700 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=00007fc9b915d4a0 CR3=000000003fe58000 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 00007f528066d7c0 00007f528066d7c8 YMM02=0000000000000000 0000000000000000 00007f528066d7e0 00007f528066d7c0 YMM03=0000000000000000 0000000000000000 00007f528066d7c8 00007f528066d7c0 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