Warning: Permanently added '[localhost]:6680' (ECDSA) to the list of known hosts. 2022/09/20 12:43:32 fuzzer started 2022/09/20 12:43:33 dialing manager at localhost:34957 syzkaller login: [ 37.832888] cgroup: Unknown subsys name 'net' [ 37.910229] cgroup: Unknown subsys name 'rlimit' 2022/09/20 12:43:48 syscalls: 2215 2022/09/20 12:43:48 code coverage: enabled 2022/09/20 12:43:48 comparison tracing: enabled 2022/09/20 12:43:48 extra coverage: enabled 2022/09/20 12:43:48 setuid sandbox: enabled 2022/09/20 12:43:48 namespace sandbox: enabled 2022/09/20 12:43:48 Android sandbox: enabled 2022/09/20 12:43:48 fault injection: enabled 2022/09/20 12:43:48 leak checking: enabled 2022/09/20 12:43:48 net packet injection: enabled 2022/09/20 12:43:48 net device setup: enabled 2022/09/20 12:43:48 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/09/20 12:43:48 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/09/20 12:43:48 USB emulation: enabled 2022/09/20 12:43:48 hci packet injection: enabled 2022/09/20 12:43:48 wifi device emulation: failed to parse kernel version (6.0.0-rc6-next-20220920) 2022/09/20 12:43:48 802.15.4 emulation: enabled 2022/09/20 12:43:48 fetching corpus: 0, signal 0/2000 (executing program) 2022/09/20 12:43:48 fetching corpus: 50, signal 23639/27192 (executing program) 2022/09/20 12:43:48 fetching corpus: 100, signal 40530/45363 (executing program) 2022/09/20 12:43:48 fetching corpus: 150, signal 53899/59868 (executing program) 2022/09/20 12:43:48 fetching corpus: 200, signal 62417/69454 (executing program) 2022/09/20 12:43:49 fetching corpus: 250, signal 66217/74448 (executing program) 2022/09/20 12:43:49 fetching corpus: 300, signal 70619/79931 (executing program) 2022/09/20 12:43:49 fetching corpus: 350, signal 75289/85531 (executing program) 2022/09/20 12:43:49 fetching corpus: 400, signal 78757/89977 (executing program) 2022/09/20 12:43:49 fetching corpus: 450, signal 82251/94342 (executing program) 2022/09/20 12:43:49 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(executing program) 2022/09/20 12:43:59 fetching corpus: 4059, signal 193165/207562 (executing program) 2022/09/20 12:43:59 fetching corpus: 4109, signal 193987/207907 (executing program) 2022/09/20 12:43:59 fetching corpus: 4159, signal 194732/208228 (executing program) 2022/09/20 12:43:59 fetching corpus: 4209, signal 195542/208501 (executing program) 2022/09/20 12:43:59 fetching corpus: 4259, signal 196125/208729 (executing program) 2022/09/20 12:43:59 fetching corpus: 4309, signal 197148/209048 (executing program) 2022/09/20 12:43:59 fetching corpus: 4359, signal 197862/209311 (executing program) 2022/09/20 12:43:59 fetching corpus: 4408, signal 198245/209484 (executing program) 2022/09/20 12:43:59 fetching corpus: 4458, signal 198769/209693 (executing program) 2022/09/20 12:44:00 fetching corpus: 4508, signal 199301/209882 (executing program) 2022/09/20 12:44:00 fetching corpus: 4558, signal 200487/210139 (executing program) 2022/09/20 12:44:00 fetching corpus: 4608, signal 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processes 12:44:04 executing program 0: pkey_alloc(0x0, 0x7) 12:44:04 executing program 1: syz_usb_connect$cdc_ncm(0x0, 0x6e, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x0, 0x525, 0xa4a1, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x5c, 0x2, 0x1, 0x0, 0x0, 0x0, {{0x9, 0x4, 0x0, 0x0, 0x1, 0x2, 0xd, 0x0, 0x0, {{0x5}, {0x5}, {0xd}, {0x6}}}}}}]}}, 0x0) 12:44:04 executing program 2: flock(0xffffffffffffffff, 0x0) [ 67.382488] audit: type=1400 audit(1663677844.451:6): avc: denied { execmem } for pid=281 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 12:44:04 executing program 4: openat(0xffffffffffffffff, 0x0, 0x200, 0xb1) chdir(0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x101042, 0x0) openat(0xffffffffffffffff, 0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x101042, 0x0) write$binfmt_aout(r1, &(0x7f0000001180)=ANY=[], 0x220) 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={0x0, 0xb}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendfile(r1, r0, 0x0, 0xfffffdef) 12:44:04 executing program 3: syz_mount_image$msdos(0x0, &(0x7f0000000040)='./file0\x00', 0x0, 0x3, &(0x7f0000000280)=[{&(0x7f0000000080)='#', 0x1}, {0x0, 0x0, 0x100000000}, {&(0x7f0000000100)="a9", 0x1}], 0x0, &(0x7f0000000300)) 12:44:04 executing program 5: r0 = open_tree(0xffffffffffffff9c, &(0x7f0000007ec0)='./cgroup/cgroup.procs\x00', 0x900) ioctl$sock_inet_SIOCSIFBRDADDR(r0, 0x891a, &(0x7f0000007f00)={'vcan0\x00', {0x2, 0x0, @multicast1}}) lsetxattr$security_selinux(&(0x7f00000000c0)='./cgroup/cgroup.procs\x00', &(0x7f0000000140), &(0x7f0000000000)='unconfined\x00', 0xb, 0x0) r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/config', 0x0, 0x0) close(r1) r2 = socket$packet(0x11, 0x3, 0x300) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000040)={'syz_tun\x00', 0x0}) setsockopt$packet_add_memb(r2, 0x107, 0x1, &(0x7f0000000080)={r3, 0x1, 0x6, @broadcast}, 0x10) setsockopt$packet_add_memb(r2, 0x107, 0x1, &(0x7f0000000180)={r3, 0x1, 0x6, @broadcast}, 0x10) setsockopt$packet_drop_memb(r1, 0x107, 0x2, &(0x7f0000000080)={r3, 0x1, 0x6, @broadcast}, 0x10) 12:44:04 executing program 6: chdir(0x0) write$binfmt_aout(0xffffffffffffffff, 0x0, 0x820) perf_event_open(&(0x7f0000000300)={0x1, 0x80, 0x0, 0x0, 0x40, 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={0x60a8, 0x800}, 0x10000, 0x0, 0x0, 0xe, 0x0, 0x1, 0x0, 0x0, 0xfffffffe}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000013c0)='net/anycast6\x00') pread64(r0, &(0x7f0000000040)=""/170, 0xaa, 0x200000007fffffff) pipe(&(0x7f0000000000)={0xffffffffffffffff}) pipe(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = openat(r2, &(0x7f00000001c0)='./file0\x00', 0x402100, 0x4) syz_open_dev$rtc(&(0x7f0000000200), 0x3b4d, 0x20c202) r4 = syz_open_dev$vcsn(&(0x7f0000000240), 0x4, 0x400040) r5 = socket$inet6_udplite(0xa, 0x2, 0x88) r6 = socket$nl_audit(0x10, 0x3, 0x9) ioctl$sock_SIOCGIFINDEX(r6, 0x8933, &(0x7f0000000340)={'sit0\x00', 0x0}) ioctl$sock_inet6_SIOCDELRT(r5, 0x890b, &(0x7f0000000380)={@private1, @private2, @private2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r7}) tee(r5, r3, 0x2400000000000, 0x8) dup3(r4, r0, 0x80000) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER(r1, 0x40605346, &(0x7f0000000100)={0x4, 0x1, {0x2, 0x2, 0x41, 0x1, 0x4}, 0x53c}) 12:44:04 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) setsockopt$bt_l2cap_L2CAP_OPTIONS(r1, 0x29, 0x33, &(0x7f0000000000), 0xc) [ 68.761114] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 68.763720] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 68.766240] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 68.768562] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 68.772087] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 68.774442] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 68.775517] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 68.778141] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 68.779369] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 68.782433] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 68.784350] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 68.785676] Bluetooth: hci1: HCI_REQ-0x0c1a [ 68.787986] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 68.792757] Bluetooth: hci0: HCI_REQ-0x0c1a [ 68.831774] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 68.833455] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 68.835397] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 68.837528] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 68.838596] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 68.839819] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 68.841475] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 68.842782] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 68.844168] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 68.848023] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 68.849359] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 68.853395] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 68.854813] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 68.856476] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 68.856580] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 68.859995] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 68.862965] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 68.864195] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 68.865376] Bluetooth: hci7: HCI_REQ-0x0c1a [ 68.867217] Bluetooth: hci6: HCI_REQ-0x0c1a [ 68.871911] Bluetooth: hci3: HCI_REQ-0x0c1a [ 68.882751] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 68.884854] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 68.886214] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 68.915920] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 68.937933] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 68.939562] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 68.943464] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 68.948386] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 68.949495] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 68.951065] Bluetooth: hci5: HCI_REQ-0x0c1a [ 68.951950] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 68.953280] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 68.961355] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 68.966142] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 68.967551] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 68.969506] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 68.971135] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 68.972276] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 68.972370] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 68.979158] Bluetooth: hci2: HCI_REQ-0x0c1a [ 68.979989] Bluetooth: hci4: HCI_REQ-0x0c1a [ 70.846018] Bluetooth: hci1: command 0x0409 tx timeout [ 70.846033] Bluetooth: hci0: command 0x0409 tx timeout [ 70.909993] Bluetooth: hci6: command 0x0409 tx timeout [ 70.910573] Bluetooth: hci7: command 0x0409 tx timeout [ 70.911104] Bluetooth: hci3: command 0x0409 tx timeout [ 70.973719] Bluetooth: hci5: command 0x0409 tx timeout [ 71.037759] Bluetooth: hci2: command 0x0409 tx timeout [ 71.038845] Bluetooth: hci4: command 0x0409 tx timeout [ 72.893780] Bluetooth: hci1: command 0x041b tx timeout [ 72.894602] Bluetooth: hci0: command 0x041b tx timeout [ 72.958158] Bluetooth: hci3: command 0x041b tx timeout [ 72.958933] Bluetooth: hci7: command 0x041b tx timeout [ 72.959718] Bluetooth: hci6: command 0x041b tx timeout [ 73.021991] Bluetooth: hci5: command 0x041b tx timeout [ 73.085764] Bluetooth: hci4: command 0x041b tx timeout [ 73.086680] Bluetooth: hci2: command 0x041b tx timeout [ 74.942728] Bluetooth: hci0: command 0x040f tx timeout [ 74.943199] Bluetooth: hci1: command 0x040f tx timeout [ 75.005937] Bluetooth: hci6: command 0x040f tx timeout [ 75.006372] Bluetooth: hci7: command 0x040f tx timeout [ 75.006818] Bluetooth: hci3: command 0x040f tx timeout [ 75.070674] Bluetooth: hci5: command 0x040f tx timeout [ 75.134698] Bluetooth: hci2: command 0x040f tx timeout [ 75.135139] Bluetooth: hci4: command 0x040f tx timeout [ 76.989725] Bluetooth: hci1: command 0x0419 tx timeout [ 76.990704] Bluetooth: hci0: command 0x0419 tx timeout [ 77.054025] Bluetooth: hci3: command 0x0419 tx timeout [ 77.054943] Bluetooth: hci7: command 0x0419 tx timeout [ 77.055911] Bluetooth: hci6: command 0x0419 tx timeout [ 77.117789] Bluetooth: hci5: command 0x0419 tx timeout [ 77.181811] Bluetooth: hci4: command 0x0419 tx timeout [ 77.182982] Bluetooth: hci2: command 0x0419 tx timeout [ 125.244437] loop3: detected capacity change from 0 to 264192 [ 125.279867] loop3: detected capacity change from 0 to 264192 12:45:02 executing program 3: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) bind$bt_hci(r0, 0x0, 0x0) 12:45:02 executing program 3: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) ioctl$HCIINQUIRY(r0, 0x800448f0, &(0x7f0000000040)={0x0, 0x0, "967392", 0x80}) 12:45:02 executing program 3: io_setup(0x4, &(0x7f0000000000)=0x0) r1 = epoll_create1(0x0) io_submit(r0, 0x1, &(0x7f0000000540)=[&(0x7f0000000100)={0x0, 0x0, 0x0, 0x5, 0x0, r1, 0x0}]) 12:45:02 executing program 3: io_setup(0x4, &(0x7f0000000000)=0x0) r1 = epoll_create1(0x0) io_submit(r0, 0x1, &(0x7f0000000540)=[&(0x7f0000000100)={0x0, 0x0, 0x0, 0x5, 0x0, r1, 0x0}]) 12:45:02 executing program 3: io_setup(0x4, &(0x7f0000000000)=0x0) r1 = epoll_create1(0x0) io_submit(r0, 0x1, &(0x7f0000000540)=[&(0x7f0000000100)={0x0, 0x0, 0x0, 0x5, 0x0, r1, 0x0}]) [ 126.792295] audit: type=1400 audit(1663677903.861:7): avc: denied { open } for pid=3920 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 [ 126.793832] audit: type=1400 audit(1663677903.861:8): avc: denied { kernel } for pid=3920 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 [ 127.071185] ------------[ cut here ]------------ [ 127.071209] [ 127.071213] ====================================================== [ 127.071217] WARNING: possible circular locking dependency detected [ 127.071221] 6.0.0-rc6-next-20220920 #1 Not tainted [ 127.071229] ------------------------------------------------------ [ 127.071232] syz-executor.4/3941 is trying to acquire lock: [ 127.071238] ffffffff853faab8 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70 [ 127.071278] [ 127.071278] but task is already holding lock: [ 127.071281] ffff8880161c5420 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 127.071308] [ 127.071308] which lock already depends on the new lock. [ 127.071308] [ 127.071311] [ 127.071311] the existing dependency chain (in reverse order) is: [ 127.071315] [ 127.071315] -> #3 (&ctx->lock){....}-{2:2}: [ 127.071328] _raw_spin_lock+0x2a/0x40 [ 127.071348] __perf_event_task_sched_out+0x53b/0x18d0 [ 127.071361] __schedule+0xedd/0x2470 [ 127.071374] schedule+0xda/0x1b0 [ 127.071386] exit_to_user_mode_prepare+0x114/0x1a0 [ 127.071398] syscall_exit_to_user_mode+0x19/0x40 [ 127.071410] do_syscall_64+0x48/0x90 [ 127.071426] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 127.071445] [ 127.071445] -> #2 (&rq->__lock){-.-.}-{2:2}: [ 127.071459] _raw_spin_lock_nested+0x30/0x40 [ 127.071475] raw_spin_rq_lock_nested+0x1e/0x30 [ 127.071489] task_fork_fair+0x63/0x4d0 [ 127.071505] sched_cgroup_fork+0x3d0/0x540 [ 127.071519] copy_process+0x4183/0x6e20 [ 127.071530] kernel_clone+0xe7/0x890 [ 127.071540] user_mode_thread+0xad/0xf0 [ 127.071550] rest_init+0x24/0x250 [ 127.071560] arch_call_rest_init+0xf/0x14 [ 127.071575] start_kernel+0x4c1/0x4e6 [ 127.071588] secondary_startup_64_no_verify+0xe0/0xeb [ 127.071603] [ 127.071603] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 127.071616] _raw_spin_lock_irqsave+0x39/0x60 [ 127.071633] try_to_wake_up+0xab/0x1930 [ 127.071646] up+0x75/0xb0 [ 127.071658] __up_console_sem+0x6e/0x80 [ 127.071673] console_unlock+0x46a/0x590 [ 127.071689] do_con_write+0xc05/0x1d50 [ 127.071702] con_write+0x21/0x40 [ 127.071712] n_tty_write+0x4d4/0xfe0 [ 127.071725] file_tty_write.constprop.0+0x49c/0x8f0 [ 127.071738] vfs_write+0x9c3/0xd90 [ 127.071756] ksys_write+0x127/0x250 [ 127.071773] do_syscall_64+0x3b/0x90 [ 127.071788] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 127.071807] [ 127.071807] -> #0 ((console_sem).lock){....}-{2:2}: [ 127.071821] __lock_acquire+0x2a02/0x5e70 [ 127.071837] lock_acquire+0x1a2/0x530 [ 127.071853] _raw_spin_lock_irqsave+0x39/0x60 [ 127.071870] down_trylock+0xe/0x70 [ 127.071882] __down_trylock_console_sem+0x3b/0xd0 [ 127.071898] vprintk_emit+0x16b/0x560 [ 127.071914] vprintk+0x84/0xa0 [ 127.071930] _printk+0xba/0xf1 [ 127.071941] report_bug.cold+0x72/0xab [ 127.071956] handle_bug+0x3c/0x70 [ 127.071971] exc_invalid_op+0x14/0x50 [ 127.071986] asm_exc_invalid_op+0x16/0x20 [ 127.071996] group_sched_out.part.0+0x2c7/0x460 [ 127.072008] ctx_sched_out+0x8f1/0xc10 [ 127.072018] __perf_event_task_sched_out+0x6d0/0x18d0 [ 127.072030] __schedule+0xedd/0x2470 [ 127.072042] schedule+0xda/0x1b0 [ 127.072054] exit_to_user_mode_prepare+0x114/0x1a0 [ 127.072065] syscall_exit_to_user_mode+0x19/0x40 [ 127.072076] do_syscall_64+0x48/0x90 [ 127.072091] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 127.072110] [ 127.072110] other info that might help us debug this: [ 127.072110] [ 127.072113] Chain exists of: [ 127.072113] (console_sem).lock --> &rq->__lock --> &ctx->lock [ 127.072113] [ 127.072127] Possible unsafe locking scenario: [ 127.072127] [ 127.072130] CPU0 CPU1 [ 127.072132] ---- ---- [ 127.072134] lock(&ctx->lock); [ 127.072140] lock(&rq->__lock); [ 127.072147] lock(&ctx->lock); [ 127.072153] lock((console_sem).lock); [ 127.072159] [ 127.072159] *** DEADLOCK *** [ 127.072159] [ 127.072161] 2 locks held by syz-executor.4/3941: [ 127.072168] #0: ffff88806cf37d18 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470 [ 127.072195] #1: ffff8880161c5420 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 127.072223] [ 127.072223] stack backtrace: [ 127.072226] CPU: 1 PID: 3941 Comm: syz-executor.4 Not tainted 6.0.0-rc6-next-20220920 #1 [ 127.072238] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 127.072247] Call Trace: [ 127.072251] [ 127.072256] dump_stack_lvl+0x8b/0xb3 [ 127.072273] check_noncircular+0x263/0x2e0 [ 127.072290] ? format_decode+0x26c/0xb50 [ 127.072305] ? print_circular_bug+0x450/0x450 [ 127.072322] ? enable_ptr_key_workfn+0x20/0x20 [ 127.072338] ? format_decode+0x26c/0xb50 [ 127.072354] ? alloc_chain_hlocks+0x1ec/0x5a0 [ 127.072371] __lock_acquire+0x2a02/0x5e70 [ 127.072393] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 127.072415] lock_acquire+0x1a2/0x530 [ 127.072431] ? down_trylock+0xe/0x70 [ 127.072446] ? lock_release+0x750/0x750 [ 127.072466] ? vprintk+0x84/0xa0 [ 127.072484] _raw_spin_lock_irqsave+0x39/0x60 [ 127.072502] ? down_trylock+0xe/0x70 [ 127.072515] down_trylock+0xe/0x70 [ 127.072528] ? vprintk+0x84/0xa0 [ 127.072545] __down_trylock_console_sem+0x3b/0xd0 [ 127.072562] vprintk_emit+0x16b/0x560 [ 127.072581] vprintk+0x84/0xa0 [ 127.072598] _printk+0xba/0xf1 [ 127.072608] ? record_print_text.cold+0x16/0x16 [ 127.072623] ? report_bug.cold+0x66/0xab [ 127.072640] ? group_sched_out.part.0+0x2c7/0x460 [ 127.072651] report_bug.cold+0x72/0xab [ 127.072668] handle_bug+0x3c/0x70 [ 127.072684] exc_invalid_op+0x14/0x50 [ 127.072701] asm_exc_invalid_op+0x16/0x20 [ 127.072712] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 127.072726] Code: 5e 41 5f e9 9b b9 ef ff e8 96 b9 ef ff 65 8b 1d 0b 13 ac 7e 31 ff 89 de e8 36 b6 ef ff 85 db 0f 84 8a 00 00 00 e8 79 b9 ef ff <0f> 0b e9 a5 fe ff ff e8 6d b9 ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 127.072737] RSP: 0018:ffff888040817c48 EFLAGS: 00010006 [ 127.072746] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 127.072754] RDX: ffff88803f650000 RSI: ffffffff815662c7 RDI: 0000000000000005 [ 127.072762] RBP: ffff88801a6105c8 R08: 0000000000000005 R09: 0000000000000001 [ 127.072769] R10: 0000000000000000 R11: ffffffff865ae05b R12: ffff8880161c5400 [ 127.072777] R13: ffff88806cf3d140 R14: ffffffff8547cec0 R15: 0000000000000002 [ 127.072788] ? group_sched_out.part.0+0x2c7/0x460 [ 127.072802] ? group_sched_out.part.0+0x2c7/0x460 [ 127.072815] ctx_sched_out+0x8f1/0xc10 [ 127.072828] __perf_event_task_sched_out+0x6d0/0x18d0 [ 127.072844] ? lock_is_held_type+0xd7/0x130 [ 127.072856] ? __perf_cgroup_move+0x160/0x160 [ 127.072868] ? set_next_entity+0x304/0x550 [ 127.072885] ? update_curr+0x267/0x740 [ 127.072903] ? lock_is_held_type+0xd7/0x130 [ 127.072916] __schedule+0xedd/0x2470 [ 127.072932] ? io_schedule_timeout+0x150/0x150 [ 127.072947] ? rcu_read_lock_sched_held+0x3e/0x80 [ 127.072967] schedule+0xda/0x1b0 [ 127.072980] exit_to_user_mode_prepare+0x114/0x1a0 [ 127.072993] syscall_exit_to_user_mode+0x19/0x40 [ 127.073005] do_syscall_64+0x48/0x90 [ 127.073021] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 127.073040] RIP: 0033:0x7fbe5b5bfb19 [ 127.073049] 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 [ 127.073060] RSP: 002b:00007fbe58b35218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 127.073070] RAX: 0000000000000001 RBX: 00007fbe5b6d2f68 RCX: 00007fbe5b5bfb19 [ 127.073078] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fbe5b6d2f6c [ 127.073085] RBP: 00007fbe5b6d2f60 R08: 000000000000000e R09: 0000000000000000 [ 127.073093] R10: 0000000000000004 R11: 0000000000000246 R12: 00007fbe5b6d2f6c [ 127.073100] R13: 00007ffd0a74e4af R14: 00007fbe58b35300 R15: 0000000000022000 [ 127.073113] [ 127.129193] WARNING: CPU: 1 PID: 3941 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460 [ 127.129889] Modules linked in: [ 127.130131] CPU: 1 PID: 3941 Comm: syz-executor.4 Not tainted 6.0.0-rc6-next-20220920 #1 [ 127.130727] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 127.131561] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 127.131963] Code: 5e 41 5f e9 9b b9 ef ff e8 96 b9 ef ff 65 8b 1d 0b 13 ac 7e 31 ff 89 de e8 36 b6 ef ff 85 db 0f 84 8a 00 00 00 e8 79 b9 ef ff <0f> 0b e9 a5 fe ff ff e8 6d b9 ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 127.133303] RSP: 0018:ffff888040817c48 EFLAGS: 00010006 [ 127.133700] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 127.134224] RDX: ffff88803f650000 RSI: ffffffff815662c7 RDI: 0000000000000005 [ 127.134743] RBP: ffff88801a6105c8 R08: 0000000000000005 R09: 0000000000000001 [ 127.135264] R10: 0000000000000000 R11: ffffffff865ae05b R12: ffff8880161c5400 [ 127.135790] R13: ffff88806cf3d140 R14: ffffffff8547cec0 R15: 0000000000000002 [ 127.136312] FS: 00007fbe58b35700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 127.136900] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 127.137342] CR2: 0000000000000000 CR3: 000000003fe94000 CR4: 0000000000350ee0 [ 127.137866] Call Trace: [ 127.138065] [ 127.138242] ctx_sched_out+0x8f1/0xc10 [ 127.138535] __perf_event_task_sched_out+0x6d0/0x18d0 [ 127.138920] ? lock_is_held_type+0xd7/0x130 [ 127.139244] ? __perf_cgroup_move+0x160/0x160 [ 127.139580] ? set_next_entity+0x304/0x550 [ 127.139905] ? update_curr+0x267/0x740 [ 127.140203] ? lock_is_held_type+0xd7/0x130 [ 127.140525] __schedule+0xedd/0x2470 [ 127.140811] ? io_schedule_timeout+0x150/0x150 [ 127.141167] ? rcu_read_lock_sched_held+0x3e/0x80 [ 127.141536] schedule+0xda/0x1b0 [ 127.141793] exit_to_user_mode_prepare+0x114/0x1a0 [ 127.142156] syscall_exit_to_user_mode+0x19/0x40 [ 127.142510] do_syscall_64+0x48/0x90 [ 127.142798] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 127.143184] RIP: 0033:0x7fbe5b5bfb19 [ 127.143466] 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 [ 127.144795] RSP: 002b:00007fbe58b35218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 127.145362] RAX: 0000000000000001 RBX: 00007fbe5b6d2f68 RCX: 00007fbe5b5bfb19 [ 127.145889] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fbe5b6d2f6c [ 127.146393] RBP: 00007fbe5b6d2f60 R08: 000000000000000e R09: 0000000000000000 [ 127.146893] R10: 0000000000000004 R11: 0000000000000246 R12: 00007fbe5b6d2f6c [ 127.147411] R13: 00007ffd0a74e4af R14: 00007fbe58b35300 R15: 0000000000022000 [ 127.147931] [ 127.148105] irq event stamp: 820 [ 127.148356] hardirqs last enabled at (819): [] exit_to_user_mode_prepare+0x109/0x1a0 [ 127.149028] hardirqs last disabled at (820): [] __schedule+0x1225/0x2470 [ 127.149633] softirqs last enabled at (476): [] __irq_exit_rcu+0x11b/0x180 [ 127.150253] softirqs last disabled at (443): [] __irq_exit_rcu+0x11b/0x180 [ 127.150871] ---[ end trace 0000000000000000 ]--- [ 127.347938] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 127.349252] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 127.480645] hrtimer: interrupt took 22813 ns [ 127.869660] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 127.871082] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 127.976736] syz-executor.4 (3941) used greatest stack depth: 24472 bytes left [ 132.221674] Bluetooth: hci5: Opcode 0x c03 failed: -110 [ 136.446025] Bluetooth: hci5: Opcode 0x c03 failed: -110 VM DIAGNOSIS: 12:45:04 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffffffff8544d920 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff854073a0 RBP=0000000000000000 RSP=ffff88803f75f2d8 R8 =0000000000000000 R9 =0000000000000000 R10=0000000080000000 R11=000000000003603d R12=0000000000000002 R13=0000000000000000 R14=ffffffff854073a0 R15=0000000000000000 RIP=ffffffff812a3282 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=00007ff5030a51f0 CR3=000000003f7ba000 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 756e696c2d34365f 3638782f62696c2f YMM01=0000000000000000 0000000000000000 6461657268747062 696c2f756e672d78 YMM02=0000000000000000 0000000000000000 00302e6f732e6461 657268747062696c YMM03=0000000000000000 0000000000000000 2f756e672d78756e 696c2d34365f3638 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=0000000000000038 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff822b1551 RDI=ffffffff87643ba0 RBP=ffffffff87643b60 RSP=ffff888040817698 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000038 R11=0000000000000001 R12=0000000000000038 R13=ffffffff87643b60 R14=0000000000000010 R15=ffffffff822b1540 RIP=ffffffff822b15a9 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 00007fbe58b35700 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=0000000000000000 CR3=000000003fe94000 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 00007fbe5b6a67c0 00007fbe5b6a67c8 YMM02=0000000000000000 0000000000000000 00007fbe5b6a67e0 00007fbe5b6a67c0 YMM03=0000000000000000 0000000000000000 00007fbe5b6a67c8 00007fbe5b6a67c0 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