Warning: Permanently added '[localhost]:18728' (ECDSA) to the list of known hosts. 2022/09/29 02:40:37 fuzzer started 2022/09/29 02:40:38 dialing manager at localhost:45751 syzkaller login: [ 44.865479] cgroup: Unknown subsys name 'net' [ 44.949046] cgroup: Unknown subsys name 'rlimit' 2022/09/29 02:40:51 syscalls: 2215 2022/09/29 02:40:51 code coverage: enabled 2022/09/29 02:40:51 comparison tracing: enabled 2022/09/29 02:40:51 extra coverage: enabled 2022/09/29 02:40:51 setuid sandbox: enabled 2022/09/29 02:40:51 namespace sandbox: enabled 2022/09/29 02:40:51 Android sandbox: enabled 2022/09/29 02:40:51 fault injection: enabled 2022/09/29 02:40:51 leak checking: enabled 2022/09/29 02:40:51 net packet injection: enabled 2022/09/29 02:40:51 net device setup: enabled 2022/09/29 02:40:51 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/09/29 02:40:51 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/09/29 02:40:51 USB emulation: enabled 2022/09/29 02:40:51 hci packet injection: enabled 2022/09/29 02:40:51 wifi device emulation: failed to parse kernel version (6.0.0-rc7-next-20220928) 2022/09/29 02:40:51 802.15.4 emulation: enabled 2022/09/29 02:40:51 fetching corpus: 0, signal 0/2000 (executing program) 2022/09/29 02:40:52 fetching corpus: 50, signal 24094/27318 (executing program) 2022/09/29 02:40:52 fetching corpus: 100, signal 35689/39957 (executing program) 2022/09/29 02:40:52 fetching corpus: 150, signal 43542/48765 (executing program) 2022/09/29 02:40:52 fetching corpus: 200, signal 46930/53178 (executing program) 2022/09/29 02:40:52 fetching corpus: 250, signal 51498/58526 (executing program) 2022/09/29 02:40:52 fetching corpus: 300, signal 56493/64095 (executing program) 2022/09/29 02:40:52 fetching corpus: 350, signal 62739/70550 (executing program) 2022/09/29 02:40:52 fetching corpus: 400, signal 66794/74969 (executing program) 2022/09/29 02:40:53 fetching corpus: 450, signal 71693/79950 (executing program) 2022/09/29 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fetching corpus: 1534, signal 118463/121043 (executing program) 2022/09/29 02:40:56 fetching corpus: 1534, signal 118463/121113 (executing program) 2022/09/29 02:40:56 fetching corpus: 1534, signal 118463/121177 (executing program) 2022/09/29 02:40:56 fetching corpus: 1534, signal 118463/121250 (executing program) 2022/09/29 02:40:56 fetching corpus: 1534, signal 118463/121316 (executing program) 2022/09/29 02:40:56 fetching corpus: 1534, signal 118463/121386 (executing program) 2022/09/29 02:40:56 fetching corpus: 1534, signal 118463/121457 (executing program) 2022/09/29 02:40:56 fetching corpus: 1534, signal 118463/121532 (executing program) 2022/09/29 02:40:56 fetching corpus: 1534, signal 118463/121609 (executing program) 2022/09/29 02:40:56 fetching corpus: 1534, signal 118463/121683 (executing program) 2022/09/29 02:40:56 fetching corpus: 1534, signal 118463/121762 (executing program) 2022/09/29 02:40:56 fetching corpus: 1534, signal 118463/121827 (executing program) 2022/09/29 02:40:56 fetching corpus: 1534, signal 118463/121889 (executing program) 2022/09/29 02:40:56 fetching corpus: 1534, signal 118463/121962 (executing program) 2022/09/29 02:40:56 fetching corpus: 1534, signal 118463/122020 (executing program) 2022/09/29 02:40:56 fetching corpus: 1534, signal 118463/122086 (executing program) 2022/09/29 02:40:56 fetching corpus: 1534, signal 118463/122152 (executing program) 2022/09/29 02:40:56 fetching corpus: 1534, signal 118463/122217 (executing program) 2022/09/29 02:40:56 fetching corpus: 1534, signal 118463/122285 (executing program) 2022/09/29 02:40:56 fetching corpus: 1534, signal 118463/122360 (executing program) 2022/09/29 02:40:56 fetching corpus: 1534, signal 118463/122427 (executing program) 2022/09/29 02:40:56 fetching corpus: 1534, signal 118463/122491 (executing program) 2022/09/29 02:40:56 fetching corpus: 1534, signal 118463/122556 (executing program) 2022/09/29 02:40:56 fetching corpus: 1534, signal 118463/122642 (executing program) 2022/09/29 02:40:56 fetching corpus: 1534, signal 118463/122706 (executing program) 2022/09/29 02:40:56 fetching corpus: 1534, signal 118463/122793 (executing program) 2022/09/29 02:40:56 fetching corpus: 1534, signal 118463/122837 (executing program) 2022/09/29 02:40:56 fetching corpus: 1534, signal 118463/122837 (executing program) 2022/09/29 02:40:59 starting 8 fuzzer processes 02:40:59 executing program 0: sched_rr_get_interval(0x0, &(0x7f0000004ac0)) 02:40:59 executing program 1: clock_gettime(0x10, 0x0) 02:40:59 executing program 2: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) getsockopt$inet6_tcp_int(r0, 0x6, 0x24, 0x0, &(0x7f0000000540)) 02:40:59 executing program 3: pipe(&(0x7f00000000c0)={0xffffffffffffffff}) fsconfig$FSCONFIG_SET_PATH_EMPTY(r0, 0x4, &(0x7f0000000000)='\x00', 0x0, 0xffffffffffffffff) 02:40:59 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000077c0)={0xffffffffffffffff}) recvmmsg$unix(r0, &(0x7f0000007a00)=[{{&(0x7f0000007800), 0x6e, &(0x7f00000078c0)=[{0x0}], 0x1}}], 0x1, 0x40, &(0x7f0000007a40)={0x77359400}) [ 65.875456] audit: type=1400 audit(1664419259.546:6): avc: denied { execmem } for pid=288 comm="syz-executor.1" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 02:40:59 executing program 5: r0 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_inet6_SIOCADDRT(r0, 0x890b, &(0x7f0000000140)={@local, @loopback, @mcast1, 0x0, 0xe5}) 02:40:59 executing program 7: r0 = socket$inet6_udp(0xa, 0x2, 0x0) r1 = dup(r0) setsockopt$inet6_opts(r1, 0x29, 0x3b, &(0x7f00000001c0)=ANY=[], 0x8) setsockopt$inet6_opts(r0, 0x29, 0x36, &(0x7f0000000380)=@routing, 0x8) 02:40:59 executing program 6: perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$inet_udp(0x2, 0x2, 0x0) ioctl$RTC_IRQP_SET(0xffffffffffffffff, 0x4008700c, 0x0) perf_event_open(&(0x7f00000015c0)={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}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xb) r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) write$vga_arbiter(0xffffffffffffffff, 0x0, 0xc) ioctl$F2FS_IOC_ABORT_VOLATILE_WRITE(0xffffffffffffffff, 0xf505, 0x0) r1 = dup(r0) bind$bt_hci(r1, &(0x7f0000000080)={0x1f, 0xffffffffffffffff, 0x3}, 0x6) write$bt_hci(r1, 0x0, 0x6) r2 = getpid() clone3(&(0x7f0000001340)={0x80c200, &(0x7f0000000140), &(0x7f0000000180), &(0x7f00000001c0), {0x1f}, &(0x7f0000000200)=""/73, 0x49, 0x0, &(0x7f0000001300)=[0x0, r2], 0x2}, 0x58) getsockopt$bt_hci(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001440)=""/137, &(0x7f0000001500)=0x89) fcntl$getown(0xffffffffffffffff, 0x9) fstatfs(0xffffffffffffffff, &(0x7f0000001640)=""/233) [ 67.141739] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 67.145801] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 67.147175] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 67.150640] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 67.152499] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 67.153867] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 67.158734] Bluetooth: hci0: HCI_REQ-0x0c1a [ 67.203260] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 67.208865] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 67.210459] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 67.211974] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 67.213255] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 67.213338] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 67.226665] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 67.226687] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 67.229624] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 67.229732] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 67.232007] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 67.233175] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 67.240108] Bluetooth: hci2: HCI_REQ-0x0c1a [ 67.243531] Bluetooth: hci3: HCI_REQ-0x0c1a [ 67.289499] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 67.291603] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 67.293165] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 67.296576] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 67.308059] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 67.309797] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 67.335542] Bluetooth: hci4: HCI_REQ-0x0c1a [ 67.364665] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 67.366466] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 67.367749] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 67.378777] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 67.379956] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 67.380941] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 67.392711] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 67.395145] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 67.396090] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 67.420245] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 67.422271] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 67.432084] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 67.437641] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 67.438838] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 67.440661] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 67.441791] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 67.443017] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 67.444599] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 67.459484] Bluetooth: hci6: HCI_REQ-0x0c1a [ 67.462825] Bluetooth: hci7: HCI_REQ-0x0c1a [ 67.477147] Bluetooth: hci5: HCI_REQ-0x0c1a [ 69.225134] Bluetooth: hci1: Opcode 0x c03 failed: -110 [ 69.226310] Bluetooth: hci0: command 0x0409 tx timeout [ 69.288491] Bluetooth: hci3: command 0x0409 tx timeout [ 69.289262] Bluetooth: hci2: command 0x0409 tx timeout [ 69.352544] Bluetooth: hci4: command 0x0409 tx timeout [ 69.480495] Bluetooth: hci7: command 0x0409 tx timeout [ 69.544507] Bluetooth: hci5: command 0x0409 tx timeout [ 69.545446] Bluetooth: hci6: command 0x0409 tx timeout [ 71.273804] Bluetooth: hci0: command 0x041b tx timeout [ 71.336484] Bluetooth: hci2: command 0x041b tx timeout [ 71.336949] Bluetooth: hci3: command 0x041b tx timeout [ 71.401444] Bluetooth: hci4: command 0x041b tx timeout [ 71.528662] Bluetooth: hci7: command 0x041b tx timeout [ 71.592521] Bluetooth: hci6: command 0x041b tx timeout [ 71.593502] Bluetooth: hci5: command 0x041b tx timeout [ 72.144012] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 72.148194] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 72.152206] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 72.160593] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 72.163827] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 72.165244] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 72.174440] Bluetooth: hci1: HCI_REQ-0x0c1a [ 73.321468] Bluetooth: hci0: command 0x040f tx timeout [ 73.384567] Bluetooth: hci3: command 0x040f tx timeout [ 73.385445] Bluetooth: hci2: command 0x040f tx timeout [ 73.449543] Bluetooth: hci4: command 0x040f tx timeout [ 73.576451] Bluetooth: hci7: command 0x040f tx timeout [ 73.640613] Bluetooth: hci5: command 0x040f tx timeout [ 73.641690] Bluetooth: hci6: command 0x040f tx timeout [ 74.217498] Bluetooth: hci1: command 0x0409 tx timeout [ 75.369428] Bluetooth: hci0: command 0x0419 tx timeout [ 75.433460] Bluetooth: hci2: command 0x0419 tx timeout [ 75.433913] Bluetooth: hci3: command 0x0419 tx timeout [ 75.497434] Bluetooth: hci4: command 0x0419 tx timeout [ 75.625436] Bluetooth: hci7: command 0x0419 tx timeout [ 75.689480] Bluetooth: hci6: command 0x0419 tx timeout [ 75.689903] Bluetooth: hci5: command 0x0419 tx timeout [ 76.265503] Bluetooth: hci1: command 0x041b tx timeout [ 78.313445] Bluetooth: hci1: command 0x040f tx timeout [ 80.360568] Bluetooth: hci1: command 0x0419 tx timeout 02:41:56 executing program 5: r0 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_inet6_SIOCADDRT(r0, 0x890b, &(0x7f0000000140)={@local, @loopback, @mcast1, 0x0, 0xe5}) 02:41:56 executing program 5: r0 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_inet6_SIOCADDRT(r0, 0x890b, &(0x7f0000000140)={@local, @loopback, @mcast1, 0x0, 0xe5}) 02:41:56 executing program 5: r0 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_inet6_SIOCADDRT(r0, 0x890b, &(0x7f0000000140)={@local, @loopback, @mcast1, 0x0, 0xe5}) 02:41:56 executing program 5: prctl$PR_SET_DUMPABLE(0x35, 0x2) 02:41:56 executing program 5: prctl$PR_SET_DUMPABLE(0x35, 0x2) 02:41:56 executing program 5: prctl$PR_SET_DUMPABLE(0x35, 0x2) 02:41:56 executing program 5: prctl$PR_SET_DUMPABLE(0x35, 0x2) 02:41:56 executing program 5: r0 = creat(&(0x7f0000000040)='./cgroup.net/cgroup.procs\x00', 0x0) writev(r0, &(0x7f0000000200)=[{&(0x7f0000000100)="8d", 0x1}], 0x1) [ 124.983861] audit: type=1400 audit(1664419318.655:7): avc: denied { open } for pid=3863 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 [ 124.985448] audit: type=1400 audit(1664419318.655:8): avc: denied { kernel } for pid=3863 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 [ 124.999856] ------------[ cut here ]------------ [ 124.999875] [ 124.999877] ====================================================== [ 124.999881] WARNING: possible circular locking dependency detected [ 124.999885] 6.0.0-rc7-next-20220928 #1 Not tainted [ 124.999891] ------------------------------------------------------ [ 124.999895] syz-executor.6/3864 is trying to acquire lock: [ 124.999902] ffffffff853faab8 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70 [ 124.999945] [ 124.999945] but task is already holding lock: [ 124.999948] ffff88800f1f2820 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 124.999978] [ 124.999978] which lock already depends on the new lock. [ 124.999978] [ 124.999981] [ 124.999981] the existing dependency chain (in reverse order) is: [ 124.999984] [ 124.999984] -> #3 (&ctx->lock){....}-{2:2}: [ 124.999998] _raw_spin_lock+0x2a/0x40 [ 125.000012] __perf_event_task_sched_out+0x53b/0x18d0 [ 125.000025] __schedule+0xedd/0x2470 [ 125.000046] schedule+0xda/0x1b0 [ 125.000062] exit_to_user_mode_prepare+0x114/0x1a0 [ 125.000075] syscall_exit_to_user_mode+0x19/0x40 [ 125.000090] do_syscall_64+0x48/0x90 [ 125.000101] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 125.000116] [ 125.000116] -> #2 (&rq->__lock){-.-.}-{2:2}: [ 125.000130] _raw_spin_lock_nested+0x30/0x40 [ 125.000143] raw_spin_rq_lock_nested+0x1e/0x30 [ 125.000157] task_fork_fair+0x63/0x4d0 [ 125.000176] sched_cgroup_fork+0x3d0/0x540 [ 125.000191] copy_process+0x4183/0x6e20 [ 125.000202] kernel_clone+0xe7/0x890 [ 125.000212] user_mode_thread+0xad/0xf0 [ 125.000223] rest_init+0x24/0x250 [ 125.000237] arch_call_rest_init+0xf/0x14 [ 125.000258] start_kernel+0x4c6/0x4eb [ 125.000276] secondary_startup_64_no_verify+0xe0/0xeb [ 125.000292] [ 125.000292] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 125.000306] _raw_spin_lock_irqsave+0x39/0x60 [ 125.000319] try_to_wake_up+0xab/0x1930 [ 125.000334] up+0x75/0xb0 [ 125.000351] __up_console_sem+0x6e/0x80 [ 125.000368] console_unlock+0x46a/0x590 [ 125.000386] vt_ioctl+0x2822/0x2ca0 [ 125.000404] tty_ioctl+0x785/0x16b0 [ 125.000417] __x64_sys_ioctl+0x19a/0x210 [ 125.000433] do_syscall_64+0x3b/0x90 [ 125.000444] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 125.000459] [ 125.000459] -> #0 ((console_sem).lock){....}-{2:2}: [ 125.000474] __lock_acquire+0x2a02/0x5e70 [ 125.000492] lock_acquire+0x1a2/0x530 [ 125.000510] _raw_spin_lock_irqsave+0x39/0x60 [ 125.000523] down_trylock+0xe/0x70 [ 125.000541] __down_trylock_console_sem+0x3b/0xd0 [ 125.000559] vprintk_emit+0x16b/0x560 [ 125.000577] vprintk+0x84/0xa0 [ 125.000595] _printk+0xba/0xf1 [ 125.000609] report_bug.cold+0x72/0xab [ 125.000619] handle_bug+0x3c/0x70 [ 125.000629] exc_invalid_op+0x14/0x50 [ 125.000640] asm_exc_invalid_op+0x16/0x20 [ 125.000655] group_sched_out.part.0+0x2c7/0x460 [ 125.000666] ctx_sched_out+0x8f1/0xc10 [ 125.000677] __perf_event_task_sched_out+0x6d0/0x18d0 [ 125.000690] __schedule+0xedd/0x2470 [ 125.000707] schedule+0xda/0x1b0 [ 125.000724] exit_to_user_mode_prepare+0x114/0x1a0 [ 125.000735] syscall_exit_to_user_mode+0x19/0x40 [ 125.000750] do_syscall_64+0x48/0x90 [ 125.000761] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 125.000776] [ 125.000776] other info that might help us debug this: [ 125.000776] [ 125.000779] Chain exists of: [ 125.000779] (console_sem).lock --> &rq->__lock --> &ctx->lock [ 125.000779] [ 125.000794] Possible unsafe locking scenario: [ 125.000794] [ 125.000797] CPU0 CPU1 [ 125.000799] ---- ---- [ 125.000802] lock(&ctx->lock); [ 125.000807] lock(&rq->__lock); [ 125.000814] lock(&ctx->lock); [ 125.000821] lock((console_sem).lock); [ 125.000827] [ 125.000827] *** DEADLOCK *** [ 125.000827] [ 125.000828] 2 locks held by syz-executor.6/3864: [ 125.000835] #0: ffff88806cf37d18 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470 [ 125.000869] #1: ffff88800f1f2820 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 125.000898] [ 125.000898] stack backtrace: [ 125.000901] CPU: 1 PID: 3864 Comm: syz-executor.6 Not tainted 6.0.0-rc7-next-20220928 #1 [ 125.000914] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 125.000922] Call Trace: [ 125.000926] [ 125.000930] dump_stack_lvl+0x8b/0xb3 [ 125.000943] check_noncircular+0x263/0x2e0 [ 125.000964] ? format_decode+0x26c/0xb50 [ 125.000985] ? print_circular_bug+0x450/0x450 [ 125.001004] ? enable_ptr_key_workfn+0x20/0x20 [ 125.001024] ? format_decode+0x26c/0xb50 [ 125.001045] ? alloc_chain_hlocks+0x1ec/0x5a0 [ 125.001065] __lock_acquire+0x2a02/0x5e70 [ 125.001088] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 125.001113] lock_acquire+0x1a2/0x530 [ 125.001132] ? down_trylock+0xe/0x70 [ 125.001153] ? lock_release+0x750/0x750 [ 125.001175] ? vprintk+0x84/0xa0 [ 125.001195] _raw_spin_lock_irqsave+0x39/0x60 [ 125.001209] ? down_trylock+0xe/0x70 [ 125.001244] down_trylock+0xe/0x70 [ 125.001264] ? vprintk+0x84/0xa0 [ 125.001283] __down_trylock_console_sem+0x3b/0xd0 [ 125.001302] vprintk_emit+0x16b/0x560 [ 125.001323] vprintk+0x84/0xa0 [ 125.001342] _printk+0xba/0xf1 [ 125.001357] ? record_print_text.cold+0x16/0x16 [ 125.001375] ? report_bug.cold+0x66/0xab [ 125.001388] ? group_sched_out.part.0+0x2c7/0x460 [ 125.001400] report_bug.cold+0x72/0xab [ 125.001413] handle_bug+0x3c/0x70 [ 125.001425] exc_invalid_op+0x14/0x50 [ 125.001437] asm_exc_invalid_op+0x16/0x20 [ 125.001453] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 125.001467] Code: 5e 41 5f e9 cb a9 ef ff e8 c6 a9 ef ff 65 8b 1d db 12 ac 7e 31 ff 89 de e8 66 a6 ef ff 85 db 0f 84 8a 00 00 00 e8 a9 a9 ef ff <0f> 0b e9 a5 fe ff ff e8 9d a9 ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 125.001479] RSP: 0018:ffff88801c1e7c48 EFLAGS: 00010006 [ 125.001489] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 125.001497] RDX: ffff88803f5dd040 RSI: ffffffff815662f7 RDI: 0000000000000005 [ 125.001505] RBP: ffff88803f668000 R08: 0000000000000005 R09: 0000000000000001 [ 125.001512] R10: 0000000000000000 R11: ffffffff865b405b R12: ffff88800f1f2800 [ 125.001520] R13: ffff88806cf3d140 R14: ffffffff8547cf00 R15: 0000000000000002 [ 125.001532] ? group_sched_out.part.0+0x2c7/0x460 [ 125.001546] ? group_sched_out.part.0+0x2c7/0x460 [ 125.001561] ctx_sched_out+0x8f1/0xc10 [ 125.001574] __perf_event_task_sched_out+0x6d0/0x18d0 [ 125.001591] ? lock_is_held_type+0xd7/0x130 [ 125.001608] ? __perf_cgroup_move+0x160/0x160 [ 125.001621] ? set_next_entity+0x304/0x550 [ 125.001641] ? update_curr+0x267/0x740 [ 125.001662] ? lock_is_held_type+0xd7/0x130 [ 125.001678] __schedule+0xedd/0x2470 [ 125.001699] ? io_schedule_timeout+0x150/0x150 [ 125.001719] ? rcu_read_lock_sched_held+0x3e/0x80 [ 125.001742] schedule+0xda/0x1b0 [ 125.001760] exit_to_user_mode_prepare+0x114/0x1a0 [ 125.001773] syscall_exit_to_user_mode+0x19/0x40 [ 125.001790] do_syscall_64+0x48/0x90 [ 125.001801] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 125.001817] RIP: 0033:0x7f77cecafb19 [ 125.001826] 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 [ 125.001837] RSP: 002b:00007f77cc225218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 125.001849] RAX: 0000000000000001 RBX: 00007f77cedc2f68 RCX: 00007f77cecafb19 [ 125.001856] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f77cedc2f6c [ 125.001864] RBP: 00007f77cedc2f60 R08: 000000000000000e R09: 0000000000000000 [ 125.001872] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f77cedc2f6c [ 125.001879] R13: 00007ffed50e30bf R14: 00007f77cc225300 R15: 0000000000022000 [ 125.001893] [ 125.056800] WARNING: CPU: 1 PID: 3864 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460 [ 125.057497] Modules linked in: [ 125.057741] CPU: 1 PID: 3864 Comm: syz-executor.6 Not tainted 6.0.0-rc7-next-20220928 #1 [ 125.058323] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 125.059141] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 125.059549] Code: 5e 41 5f e9 cb a9 ef ff e8 c6 a9 ef ff 65 8b 1d db 12 ac 7e 31 ff 89 de e8 66 a6 ef ff 85 db 0f 84 8a 00 00 00 e8 a9 a9 ef ff <0f> 0b e9 a5 fe ff ff e8 9d a9 ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 125.060866] RSP: 0018:ffff88801c1e7c48 EFLAGS: 00010006 [ 125.061267] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 125.061779] RDX: ffff88803f5dd040 RSI: ffffffff815662f7 RDI: 0000000000000005 [ 125.062306] RBP: ffff88803f668000 R08: 0000000000000005 R09: 0000000000000001 [ 125.062820] R10: 0000000000000000 R11: ffffffff865b405b R12: ffff88800f1f2800 [ 125.063350] R13: ffff88806cf3d140 R14: ffffffff8547cf00 R15: 0000000000000002 [ 125.063868] FS: 00007f77cc225700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 125.064466] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 125.064892] CR2: 00007f23d25d16f4 CR3: 0000000018126000 CR4: 0000000000350ee0 [ 125.065414] Call Trace: [ 125.065607] [ 125.065780] ctx_sched_out+0x8f1/0xc10 [ 125.066074] __perf_event_task_sched_out+0x6d0/0x18d0 [ 125.066466] ? lock_is_held_type+0xd7/0x130 [ 125.066792] ? __perf_cgroup_move+0x160/0x160 [ 125.067129] ? set_next_entity+0x304/0x550 [ 125.067451] ? update_curr+0x267/0x740 [ 125.067756] ? lock_is_held_type+0xd7/0x130 [ 125.068078] __schedule+0xedd/0x2470 [ 125.068367] ? io_schedule_timeout+0x150/0x150 [ 125.068724] ? rcu_read_lock_sched_held+0x3e/0x80 [ 125.069095] schedule+0xda/0x1b0 [ 125.069375] exit_to_user_mode_prepare+0x114/0x1a0 [ 125.069744] syscall_exit_to_user_mode+0x19/0x40 [ 125.070103] do_syscall_64+0x48/0x90 [ 125.070381] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 125.070760] RIP: 0033:0x7f77cecafb19 [ 125.071033] 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 [ 125.072345] RSP: 002b:00007f77cc225218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 125.072908] RAX: 0000000000000001 RBX: 00007f77cedc2f68 RCX: 00007f77cecafb19 [ 125.073438] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f77cedc2f6c [ 125.073954] RBP: 00007f77cedc2f60 R08: 000000000000000e R09: 0000000000000000 [ 125.074470] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f77cedc2f6c [ 125.074989] R13: 00007ffed50e30bf R14: 00007f77cc225300 R15: 0000000000022000 [ 125.075516] [ 125.075696] irq event stamp: 586 [ 125.075946] hardirqs last enabled at (585): [] exit_to_user_mode_prepare+0x109/0x1a0 [ 125.076622] hardirqs last disabled at (586): [] __schedule+0x1225/0x2470 [ 125.077242] softirqs last enabled at (40): [] __irq_exit_rcu+0x11b/0x180 [ 125.077853] softirqs last disabled at (35): [] __irq_exit_rcu+0x11b/0x180 [ 125.078467] ---[ end trace 0000000000000000 ]--- [ 130.152521] Bluetooth: hci0: Opcode 0x c03 failed: -110 [ 134.376589] Bluetooth: hci0: Opcode 0x c03 failed: -110 VM DIAGNOSIS: 02:41:58 Registers: info registers vcpu 0 RAX=ffff888015c37a88 RBX=0000000000001000 RCX=0000000000000000 RDX=0000000000000004 RSI=ffff888008452978 RDI=ffff888015c37a9c RBP=ffffffff87636be0 RSP=ffff888015c37960 R8 =0000000000000001 R9 =ffff888015c37a9b R10=ffffed1002b86f53 R11=0000000000000001 R12=ffff888015c37a88 R13=0000000000000001 R14=0000000000000001 R15=ffff888008452958 RIP=ffffffff84251109 RFL=00000202 [-------] 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 0000555555b26400 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=00007f99d238c6f4 CR3=000000000fc08000 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 0000000000b00070 YMM01=0000000000000000 0000000000000000 00524f5252450040 0000000000000000 YMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM03=0000000000000000 0000000000000000 000000524f525245 0000000000000000 YMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM06=0000000000000000 0000000000000000 0000000000000000 000000524f525245 YMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM08=0000000000000000 0000000000000000 0000000000000000 00524f5252450040 YMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 info registers vcpu 1 RAX=0000000000000065 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff823ba131 RDI=ffffffff8765a980 RBP=ffffffff8765a940 RSP=ffff88801c1e7690 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000065 R11=0000000000000001 R12=0000000000000065 R13=ffffffff8765a940 R14=0000000000000010 R15=ffffffff823ba120 RIP=ffffffff823ba189 RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f77cc225700 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=00007f23d25d16f4 CR3=0000000018126000 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 00007f77ced967c0 00007f77ced967c8 YMM02=0000000000000000 0000000000000000 00007f77ced967e0 00007f77ced967c0 YMM03=0000000000000000 0000000000000000 00007f77ced967c8 00007f77ced967c0 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