Warning: Permanently added '[localhost]:27644' (ECDSA) to the list of known hosts. 2022/09/12 13:42:29 fuzzer started 2022/09/12 13:42:30 dialing manager at localhost:38027 syzkaller login: [ 42.622676] cgroup: Unknown subsys name 'net' [ 42.690371] cgroup: Unknown subsys name 'rlimit' 2022/09/12 13:42:45 syscalls: 2215 2022/09/12 13:42:45 code coverage: enabled 2022/09/12 13:42:45 comparison tracing: enabled 2022/09/12 13:42:45 extra coverage: enabled 2022/09/12 13:42:45 setuid sandbox: enabled 2022/09/12 13:42:45 namespace sandbox: enabled 2022/09/12 13:42:45 Android sandbox: enabled 2022/09/12 13:42:45 fault injection: enabled 2022/09/12 13:42:45 leak checking: enabled 2022/09/12 13:42:45 net packet injection: enabled 2022/09/12 13:42:45 net device setup: enabled 2022/09/12 13:42:45 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/09/12 13:42:45 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/09/12 13:42:45 USB emulation: enabled 2022/09/12 13:42:45 hci packet injection: enabled 2022/09/12 13:42:45 wifi device emulation: failed to parse kernel version (6.0.0-rc5-next-20220912) 2022/09/12 13:42:45 802.15.4 emulation: enabled 2022/09/12 13:42:45 fetching corpus: 0, signal 0/2000 (executing program) 2022/09/12 13:42:45 fetching corpus: 50, signal 38233/41160 (executing program) 2022/09/12 13:42:45 fetching corpus: 100, signal 50015/53985 (executing program) 2022/09/12 13:42:45 fetching corpus: 150, signal 60633/65316 (executing program) 2022/09/12 13:42:46 fetching corpus: 200, signal 65472/70993 (executing program) 2022/09/12 13:42:46 fetching corpus: 250, signal 70680/76931 (executing program) 2022/09/12 13:42:46 fetching corpus: 300, signal 76770/83497 (executing program) 2022/09/12 13:42:46 fetching corpus: 350, signal 81277/88440 (executing program) 2022/09/12 13:42:46 fetching corpus: 400, signal 85652/93159 (executing program) 2022/09/12 13:42:46 fetching corpus: 450, signal 88183/96240 (executing program) 2022/09/12 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program) 2022/09/12 13:42:51 fetching corpus: 1650, signal 143699/147476 (executing program) 2022/09/12 13:42:51 fetching corpus: 1650, signal 143699/147572 (executing program) 2022/09/12 13:42:51 fetching corpus: 1650, signal 143699/147653 (executing program) 2022/09/12 13:42:51 fetching corpus: 1650, signal 143699/147741 (executing program) 2022/09/12 13:42:51 fetching corpus: 1650, signal 143699/147835 (executing program) 2022/09/12 13:42:51 fetching corpus: 1650, signal 143699/147909 (executing program) 2022/09/12 13:42:51 fetching corpus: 1650, signal 143699/147983 (executing program) 2022/09/12 13:42:51 fetching corpus: 1650, signal 143699/148075 (executing program) 2022/09/12 13:42:51 fetching corpus: 1650, signal 143699/148161 (executing program) 2022/09/12 13:42:51 fetching corpus: 1650, signal 143699/148225 (executing program) 2022/09/12 13:42:51 fetching corpus: 1650, signal 143699/148314 (executing program) 2022/09/12 13:42:51 fetching corpus: 1650, signal 143699/148391 (executing program) 2022/09/12 13:42:51 fetching corpus: 1650, signal 143699/148479 (executing program) 2022/09/12 13:42:51 fetching corpus: 1650, signal 143699/148588 (executing program) 2022/09/12 13:42:51 fetching corpus: 1650, signal 143699/148670 (executing program) 2022/09/12 13:42:51 fetching corpus: 1650, signal 143699/148770 (executing program) 2022/09/12 13:42:51 fetching corpus: 1650, signal 143699/148842 (executing program) 2022/09/12 13:42:51 fetching corpus: 1650, signal 143699/148933 (executing program) 2022/09/12 13:42:51 fetching corpus: 1650, signal 143699/149012 (executing program) 2022/09/12 13:42:51 fetching corpus: 1650, signal 143699/149082 (executing program) 2022/09/12 13:42:51 fetching corpus: 1650, signal 143699/149158 (executing program) 2022/09/12 13:42:51 fetching corpus: 1650, signal 143699/149238 (executing program) 2022/09/12 13:42:51 fetching corpus: 1650, signal 143699/149333 (executing program) 2022/09/12 13:42:51 fetching corpus: 1650, signal 143699/149420 (executing program) 2022/09/12 13:42:51 fetching corpus: 1650, signal 143699/149493 (executing program) 2022/09/12 13:42:51 fetching corpus: 1650, signal 143699/149572 (executing program) 2022/09/12 13:42:51 fetching corpus: 1650, signal 143699/149632 (executing program) 2022/09/12 13:42:51 fetching corpus: 1650, signal 143699/149632 (executing program) 2022/09/12 13:42:54 starting 8 fuzzer processes 13:42:54 executing program 0: perf_event_open$cgroup(&(0x7f0000000080)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) 13:42:54 executing program 2: r0 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f00000005c0), 0x40102, 0x0) write$vga_arbiter(r0, 0x0, 0xf) 13:42:54 executing program 1: r0 = syz_io_uring_setup(0x4f02, &(0x7f00000002c0), &(0x7f0000ffe000/0x2000)=nil, &(0x7f00000b0000)=nil, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) syz_io_uring_submit(r1, r2, &(0x7f00000001c0)=@IORING_OP_FILES_UPDATE={0x14, 0x3, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_io_uring_submit(r1, r2, &(0x7f0000000000)=@IORING_OP_WRITE_FIXED, 0xfffffffe) io_uring_enter(r0, 0x6c64, 0x0, 0x0, 0x0, 0x0) 13:42:54 executing program 3: add_key(&(0x7f0000009180)='logon\x00', &(0x7f00000091c0)={'syz', 0x1}, &(0x7f0000009200)='v', 0x1, 0xfffffffffffffffc) 13:42:54 executing program 4: perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = add_key$keyring(&(0x7f0000000240), &(0x7f0000000280)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffffd) r1 = add_key(&(0x7f0000000000)='user\x00', &(0x7f0000000040)={'syz', 0x0}, &(0x7f0000000080)="fd", 0x1, r0) r2 = add_key$keyring(&(0x7f0000000000), &(0x7f0000000140)={'syz', 0x3}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$KEYCTL_RESTRICT_KEYRING(0x1d, r2, &(0x7f0000000180)='asymmetric\x00', &(0x7f00000000c0)=@keyring={'key_or_keyring:', r1}) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f00000000c0)='./file0\x00', 0x4000000000000000, 0x0, 0x0, 0x0, 0x0) getpid() 13:42:54 executing program 5: perf_event_open(&(0x7f0000000040)={0x8, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x800}, 0x0, 0x0, 0xffffffffffffffff, 0x0) 13:42:54 executing program 6: r0 = syz_io_uring_setup(0xfa7, &(0x7f0000000180), &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffe000/0x1000)=nil, &(0x7f0000000100)=0x0, &(0x7f0000000000)=0x0) r3 = socket$inet_tcp(0x2, 0x1, 0x0) listen(r3, 0x0) syz_io_uring_submit(r1, r2, &(0x7f0000000040)=@IORING_OP_CONNECT={0x10, 0x0, 0x0, r3, 0x80, &(0x7f0000000280)=@l2tp={0x2, 0x0, @loopback}}, 0x0) io_uring_enter(r0, 0x100001, 0x0, 0x0, 0x0, 0x0) 13:42:54 executing program 7: 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, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x1}, 0x40, 0x5}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) io_setup(0x40, &(0x7f0000000240)=0x0) r1 = eventfd2(0x8001, 0x0) io_submit(r0, 0x1, &(0x7f0000000040)=[&(0x7f0000000440)={0x0, 0x0, 0x0, 0x5, 0x0, r1, 0x0}]) io_cancel(0x0, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x8, 0x8000, 0xffffffffffffffff, 0x0, 0x0, 0x9}, &(0x7f0000000300)) [ 66.426729] audit: type=1400 audit(1662990174.293:6): avc: denied { execmem } for pid=286 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 67.867110] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 67.868895] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 67.870318] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 67.872231] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 67.873397] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 67.875231] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 67.876703] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 67.877141] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 67.880110] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 67.880421] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 67.886194] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 67.887257] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 67.888573] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 67.889895] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 67.891362] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 67.892457] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 67.893678] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 67.895474] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 67.896426] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 67.897467] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 67.898505] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 67.899593] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 67.900626] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 67.901705] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 67.911271] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 67.912453] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 67.913918] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 67.915452] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 67.916600] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 67.917826] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 67.918860] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 67.921692] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 67.922913] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 67.924207] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 67.925354] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 67.926451] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 67.927921] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 67.929072] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 67.930283] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 67.931610] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 67.932707] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 67.933919] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 67.935241] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 67.936361] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 67.937449] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 67.947709] Bluetooth: hci6: HCI_REQ-0x0c1a [ 67.949434] Bluetooth: hci7: HCI_REQ-0x0c1a [ 67.950377] Bluetooth: hci4: HCI_REQ-0x0c1a [ 67.951918] Bluetooth: hci1: HCI_REQ-0x0c1a [ 67.957621] Bluetooth: hci3: HCI_REQ-0x0c1a [ 67.974246] Bluetooth: hci2: HCI_REQ-0x0c1a [ 67.975367] Bluetooth: hci5: HCI_REQ-0x0c1a [ 67.995613] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 67.999317] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 68.000690] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 68.005869] Bluetooth: hci0: HCI_REQ-0x0c1a [ 70.024829] Bluetooth: hci2: command 0x0409 tx timeout [ 70.024848] Bluetooth: hci0: command 0x0409 tx timeout [ 70.025939] Bluetooth: hci7: command 0x0409 tx timeout [ 70.026283] Bluetooth: hci3: command 0x0409 tx timeout [ 70.026881] Bluetooth: hci5: command 0x0409 tx timeout [ 70.028768] Bluetooth: hci1: command 0x0409 tx timeout [ 70.029227] Bluetooth: hci4: command 0x0409 tx timeout [ 70.029647] Bluetooth: hci6: command 0x0409 tx timeout [ 72.072134] Bluetooth: hci3: command 0x041b tx timeout [ 72.073144] Bluetooth: hci6: command 0x041b tx timeout [ 72.073669] Bluetooth: hci4: command 0x041b tx timeout [ 72.074132] Bluetooth: hci1: command 0x041b tx timeout [ 72.074568] Bluetooth: hci5: command 0x041b tx timeout [ 72.074993] Bluetooth: hci7: command 0x041b tx timeout [ 72.075853] Bluetooth: hci2: command 0x041b tx timeout [ 72.076728] Bluetooth: hci0: command 0x041b tx timeout [ 74.120162] Bluetooth: hci0: command 0x040f tx timeout [ 74.120875] Bluetooth: hci2: command 0x040f tx timeout [ 74.121963] Bluetooth: hci7: command 0x040f tx timeout [ 74.122942] Bluetooth: hci5: command 0x040f tx timeout [ 74.123917] Bluetooth: hci1: command 0x040f tx timeout [ 74.125093] Bluetooth: hci4: command 0x040f tx timeout [ 74.125710] Bluetooth: hci6: command 0x040f tx timeout [ 74.126643] Bluetooth: hci3: command 0x040f tx timeout [ 76.169172] Bluetooth: hci3: command 0x0419 tx timeout [ 76.169720] Bluetooth: hci6: command 0x0419 tx timeout [ 76.170176] Bluetooth: hci4: command 0x0419 tx timeout [ 76.170586] Bluetooth: hci1: command 0x0419 tx timeout [ 76.170991] Bluetooth: hci5: command 0x0419 tx timeout [ 76.171910] Bluetooth: hci7: command 0x0419 tx timeout [ 76.172863] Bluetooth: hci2: command 0x0419 tx timeout [ 76.173514] Bluetooth: hci0: command 0x0419 tx timeout [ 125.558987] audit: type=1400 audit(1662990233.427:7): avc: denied { open } for pid=3877 comm="syz-executor.4" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 125.560525] audit: type=1400 audit(1662990233.427:8): avc: denied { kernel } for pid=3877 comm="syz-executor.4" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 125.577753] ------------[ cut here ]------------ [ 125.577771] [ 125.577774] ====================================================== [ 125.577777] WARNING: possible circular locking dependency detected [ 125.577781] 6.0.0-rc5-next-20220912 #1 Not tainted [ 125.577787] ------------------------------------------------------ [ 125.577790] syz-executor.4/3878 is trying to acquire lock: [ 125.577796] ffffffff853fa878 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70 [ 125.577834] [ 125.577834] but task is already holding lock: [ 125.577836] ffff888008b14420 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 125.577863] [ 125.577863] which lock already depends on the new lock. [ 125.577863] [ 125.577866] [ 125.577866] the existing dependency chain (in reverse order) is: [ 125.577869] [ 125.577869] -> #3 (&ctx->lock){....}-{2:2}: [ 125.577883] _raw_spin_lock+0x2a/0x40 [ 125.577899] __perf_event_task_sched_out+0x53b/0x18d0 [ 125.577911] __schedule+0xedd/0x2470 [ 125.577921] schedule+0xda/0x1b0 [ 125.577930] exit_to_user_mode_prepare+0x114/0x1a0 [ 125.577950] syscall_exit_to_user_mode+0x19/0x40 [ 125.577968] do_syscall_64+0x48/0x90 [ 125.577981] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 125.577998] [ 125.577998] -> #2 (&rq->__lock){-.-.}-{2:2}: [ 125.578014] _raw_spin_lock_nested+0x30/0x40 [ 125.578029] raw_spin_rq_lock_nested+0x1e/0x30 [ 125.578042] task_fork_fair+0x63/0x4d0 [ 125.578059] sched_cgroup_fork+0x3d0/0x540 [ 125.578073] copy_process+0x3f9e/0x6df0 [ 125.578083] kernel_clone+0xe7/0x890 [ 125.578093] user_mode_thread+0xad/0xf0 [ 125.578103] rest_init+0x24/0x250 [ 125.578119] arch_call_rest_init+0xf/0x14 [ 125.578138] start_kernel+0x4c1/0x4e6 [ 125.578155] secondary_startup_64_no_verify+0xe0/0xeb [ 125.578169] [ 125.578169] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 125.578183] _raw_spin_lock_irqsave+0x39/0x60 [ 125.578198] try_to_wake_up+0xab/0x1920 [ 125.578211] up+0x75/0xb0 [ 125.578223] __up_console_sem+0x6e/0x80 [ 125.578239] console_unlock+0x46a/0x590 [ 125.578255] do_con_write+0xc05/0x1d50 [ 125.578266] con_write+0x21/0x40 [ 125.578275] n_tty_write+0x4d4/0xfe0 [ 125.578288] file_tty_write.constprop.0+0x49c/0x8f0 [ 125.578300] vfs_write+0x9c3/0xd90 [ 125.578318] ksys_write+0x127/0x250 [ 125.578335] do_syscall_64+0x3b/0x90 [ 125.578348] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 125.578365] [ 125.578365] -> #0 ((console_sem).lock){....}-{2:2}: [ 125.578379] __lock_acquire+0x2a02/0x5e70 [ 125.578395] lock_acquire+0x1a2/0x530 [ 125.578412] _raw_spin_lock_irqsave+0x39/0x60 [ 125.578426] down_trylock+0xe/0x70 [ 125.578439] __down_trylock_console_sem+0x3b/0xd0 [ 125.578455] vprintk_emit+0x16b/0x560 [ 125.578472] vprintk+0x84/0xa0 [ 125.578488] _printk+0xba/0xf1 [ 125.578506] report_bug.cold+0x72/0xab [ 125.578518] handle_bug+0x3c/0x70 [ 125.578531] exc_invalid_op+0x14/0x50 [ 125.578544] asm_exc_invalid_op+0x16/0x20 [ 125.578560] group_sched_out.part.0+0x2c7/0x460 [ 125.578570] ctx_sched_out+0x8f1/0xc10 [ 125.578580] __perf_event_task_sched_out+0x6d0/0x18d0 [ 125.578592] __schedule+0xedd/0x2470 [ 125.578601] schedule+0xda/0x1b0 [ 125.578610] exit_to_user_mode_prepare+0x114/0x1a0 [ 125.578630] syscall_exit_to_user_mode+0x19/0x40 [ 125.578647] do_syscall_64+0x48/0x90 [ 125.578660] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 125.578676] [ 125.578676] other info that might help us debug this: [ 125.578676] [ 125.578679] Chain exists of: [ 125.578679] (console_sem).lock --> &rq->__lock --> &ctx->lock [ 125.578679] [ 125.578694] Possible unsafe locking scenario: [ 125.578694] [ 125.578696] CPU0 CPU1 [ 125.578698] ---- ---- [ 125.578700] lock(&ctx->lock); [ 125.578706] lock(&rq->__lock); [ 125.578712] lock(&ctx->lock); [ 125.578718] lock((console_sem).lock); [ 125.578724] [ 125.578724] *** DEADLOCK *** [ 125.578724] [ 125.578726] 2 locks held by syz-executor.4/3878: [ 125.578733] #0: ffff88806cf37cd8 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470 [ 125.578758] #1: ffff888008b14420 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 125.578786] [ 125.578786] stack backtrace: [ 125.578789] CPU: 1 PID: 3878 Comm: syz-executor.4 Not tainted 6.0.0-rc5-next-20220912 #1 [ 125.578801] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 125.578810] Call Trace: [ 125.578813] [ 125.578816] dump_stack_lvl+0x8b/0xb3 [ 125.578831] check_noncircular+0x263/0x2e0 [ 125.578848] ? format_decode+0x26c/0xb50 [ 125.578862] ? print_circular_bug+0x450/0x450 [ 125.578880] ? enable_ptr_key_workfn+0x20/0x20 [ 125.578895] ? format_decode+0x26c/0xb50 [ 125.578910] ? alloc_chain_hlocks+0x1ec/0x5a0 [ 125.578928] __lock_acquire+0x2a02/0x5e70 [ 125.578950] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 125.578973] lock_acquire+0x1a2/0x530 [ 125.578990] ? down_trylock+0xe/0x70 [ 125.579005] ? rcu_read_unlock+0x40/0x40 [ 125.579026] ? vprintk+0x84/0xa0 [ 125.579048] _raw_spin_lock_irqsave+0x39/0x60 [ 125.579064] ? down_trylock+0xe/0x70 [ 125.579077] down_trylock+0xe/0x70 [ 125.579091] ? vprintk+0x84/0xa0 [ 125.579108] __down_trylock_console_sem+0x3b/0xd0 [ 125.579126] vprintk_emit+0x16b/0x560 [ 125.579146] vprintk+0x84/0xa0 [ 125.579164] _printk+0xba/0xf1 [ 125.579181] ? record_print_text.cold+0x16/0x16 [ 125.579203] ? report_bug.cold+0x66/0xab [ 125.579217] ? group_sched_out.part.0+0x2c7/0x460 [ 125.579229] report_bug.cold+0x72/0xab [ 125.579244] handle_bug+0x3c/0x70 [ 125.579257] exc_invalid_op+0x14/0x50 [ 125.579271] asm_exc_invalid_op+0x16/0x20 [ 125.579289] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 125.579302] 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 [ 125.579314] RSP: 0018:ffff88803f3d7c48 EFLAGS: 00010006 [ 125.579323] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 125.579331] RDX: ffff88803df60000 RSI: ffffffff81566027 RDI: 0000000000000005 [ 125.579338] RBP: ffff888019e98000 R08: 0000000000000005 R09: 0000000000000001 [ 125.579346] R10: 0000000000000000 R11: ffffffff865aa05b R12: ffff888008b14400 [ 125.579353] R13: ffff88806cf3d100 R14: ffffffff8547c660 R15: 0000000000000002 [ 125.579364] ? group_sched_out.part.0+0x2c7/0x460 [ 125.579378] ? group_sched_out.part.0+0x2c7/0x460 [ 125.579390] ctx_sched_out+0x8f1/0xc10 [ 125.579403] __perf_event_task_sched_out+0x6d0/0x18d0 [ 125.579418] ? lock_is_held_type+0xd7/0x130 [ 125.579437] ? __perf_cgroup_move+0x160/0x160 [ 125.579449] ? set_next_entity+0x304/0x550 [ 125.579467] ? update_curr+0x267/0x740 [ 125.579486] ? lock_is_held_type+0xd7/0x130 [ 125.579504] __schedule+0xedd/0x2470 [ 125.579517] ? io_schedule_timeout+0x150/0x150 [ 125.579529] ? rcu_read_lock_sched_held+0x3e/0x80 [ 125.579550] schedule+0xda/0x1b0 [ 125.579561] exit_to_user_mode_prepare+0x114/0x1a0 [ 125.579582] syscall_exit_to_user_mode+0x19/0x40 [ 125.579600] do_syscall_64+0x48/0x90 [ 125.579614] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 125.579631] RIP: 0033:0x7fa9c6248b19 [ 125.579640] 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 [ 125.579650] RSP: 002b:00007fa9c37be218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 125.579661] RAX: 0000000000000001 RBX: 00007fa9c635bf68 RCX: 00007fa9c6248b19 [ 125.579670] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fa9c635bf6c [ 125.579679] RBP: 00007fa9c635bf60 R08: 000000000000000e R09: 0000000000000000 [ 125.579689] R10: 0000000000000003 R11: 0000000000000246 R12: 00007fa9c635bf6c [ 125.579697] R13: 00007ffdfd7fa8cf R14: 00007fa9c37be300 R15: 0000000000022000 [ 125.579713] [ 125.635752] WARNING: CPU: 1 PID: 3878 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460 [ 125.636463] Modules linked in: [ 125.636709] CPU: 1 PID: 3878 Comm: syz-executor.4 Not tainted 6.0.0-rc5-next-20220912 #1 [ 125.637317] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 125.638171] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 125.638594] 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 [ 125.640010] RSP: 0018:ffff88803f3d7c48 EFLAGS: 00010006 [ 125.640413] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 125.640959] RDX: ffff88803df60000 RSI: ffffffff81566027 RDI: 0000000000000005 [ 125.641501] RBP: ffff888019e98000 R08: 0000000000000005 R09: 0000000000000001 [ 125.642037] R10: 0000000000000000 R11: ffffffff865aa05b R12: ffff888008b14400 [ 125.642579] R13: ffff88806cf3d100 R14: ffffffff8547c660 R15: 0000000000000002 [ 125.643105] FS: 00007fa9c37be700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 125.643711] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 125.644154] CR2: 00007fc1f200c310 CR3: 000000001849c000 CR4: 0000000000350ee0 [ 125.644696] Call Trace: [ 125.644899] [ 125.645077] ctx_sched_out+0x8f1/0xc10 [ 125.645376] __perf_event_task_sched_out+0x6d0/0x18d0 [ 125.645772] ? lock_is_held_type+0xd7/0x130 [ 125.646107] ? __perf_cgroup_move+0x160/0x160 [ 125.646451] ? set_next_entity+0x304/0x550 [ 125.646780] ? update_curr+0x267/0x740 [ 125.647084] ? lock_is_held_type+0xd7/0x130 [ 125.647420] __schedule+0xedd/0x2470 [ 125.647712] ? io_schedule_timeout+0x150/0x150 [ 125.648074] ? rcu_read_lock_sched_held+0x3e/0x80 [ 125.648456] schedule+0xda/0x1b0 [ 125.648717] exit_to_user_mode_prepare+0x114/0x1a0 [ 125.649102] syscall_exit_to_user_mode+0x19/0x40 [ 125.649467] do_syscall_64+0x48/0x90 [ 125.649753] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 125.650154] RIP: 0033:0x7fa9c6248b19 [ 125.650435] 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 [ 125.651777] RSP: 002b:00007fa9c37be218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 125.652352] RAX: 0000000000000001 RBX: 00007fa9c635bf68 RCX: 00007fa9c6248b19 [ 125.652874] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fa9c635bf6c [ 125.653414] RBP: 00007fa9c635bf60 R08: 000000000000000e R09: 0000000000000000 [ 125.653956] R10: 0000000000000003 R11: 0000000000000246 R12: 00007fa9c635bf6c [ 125.654499] R13: 00007ffdfd7fa8cf R14: 00007fa9c37be300 R15: 0000000000022000 [ 125.655032] [ 125.655205] irq event stamp: 614 [ 125.655447] hardirqs last enabled at (613): [] exit_to_user_mode_prepare+0x109/0x1a0 [ 125.656136] hardirqs last disabled at (614): [] __schedule+0x1225/0x2470 [ 125.656721] softirqs last enabled at (0): [] copy_process+0x1dfe/0x6df0 [ 125.657307] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 125.657760] ---[ end trace 0000000000000000 ]--- 13:43:53 executing program 5: perf_event_open(&(0x7f0000000040)={0x8, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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}, 0x800}, 0x0, 0x0, 0xffffffffffffffff, 0x0) 13:43:53 executing program 5: perf_event_open(&(0x7f0000000040)={0x8, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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}, 0x800}, 0x0, 0x0, 0xffffffffffffffff, 0x0) [ 126.011039] hrtimer: interrupt took 25989 ns [ 130.888171] Bluetooth: hci4: Opcode 0x c03 failed: -110 [ 130.889314] Bluetooth: hci3: Opcode 0x c03 failed: -110 [ 130.952053] Bluetooth: hci5: Opcode 0x c03 failed: -110 [ 135.176137] Bluetooth: hci4: Opcode 0x c03 failed: -110 [ 135.176144] Bluetooth: hci3: Opcode 0x c03 failed: -110 [ 135.176315] Bluetooth: hci5: Opcode 0x c03 failed: -110 VM DIAGNOSIS: 13:43:53 Registers: info registers vcpu 0 RAX=0000000012fa67f8 RBX=00000000e2a1f8fa RCX=000000000000000e RDX=0000000086e2d9ed RSI=ffff88800e70f66c RDI=0000000000000001 RBP=0000000000000000 RSP=ffff88800e70f5a0 R8 =000000000000000e R9 =000000003a8c3a5a R10=ffffed1001ce1ea6 R11=ffff88800e70f508 R12=0000000000000000 R13=0000000000000001 R14=0000000000092cc0 R15=ffff88800e70f600 RIP=ffffffff840a8457 RFL=00000286 [--S--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=00007fcd45cd68e0 CR3=000000000d0d8000 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 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 info registers vcpu 1 RAX=0000000000000061 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff822b1e41 RDI=ffffffff8763fae0 RBP=ffffffff8763faa0 RSP=ffff88803f3d7698 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000061 R11=0000000000000001 R12=0000000000000061 R13=ffffffff8763faa0 R14=0000000000000010 R15=ffffffff822b1e30 RIP=ffffffff822b1e99 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 00007fa9c37be700 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=00007fc1f200c310 CR3=000000001849c000 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 00007fa9c632f7c0 00007fa9c632f7c8 YMM02=0000000000000000 0000000000000000 00007fa9c632f7e0 00007fa9c632f7c0 YMM03=0000000000000000 0000000000000000 00007fa9c632f7c8 00007fa9c632f7c0 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