Warning: Permanently added '[localhost]:37144' (ECDSA) to the list of known hosts. 2022/09/29 01:59:11 fuzzer started 2022/09/29 01:59:12 dialing manager at localhost:45751 syzkaller login: [ 46.468145] cgroup: Unknown subsys name 'net' [ 46.582950] cgroup: Unknown subsys name 'rlimit' 2022/09/29 01:59:27 syscalls: 2215 2022/09/29 01:59:27 code coverage: enabled 2022/09/29 01:59:27 comparison tracing: enabled 2022/09/29 01:59:27 extra coverage: enabled 2022/09/29 01:59:27 setuid sandbox: enabled 2022/09/29 01:59:27 namespace sandbox: enabled 2022/09/29 01:59:27 Android sandbox: enabled 2022/09/29 01:59:27 fault injection: enabled 2022/09/29 01:59:27 leak checking: enabled 2022/09/29 01:59:27 net packet injection: enabled 2022/09/29 01:59:27 net device setup: enabled 2022/09/29 01:59:27 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/09/29 01:59:27 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/09/29 01:59:27 USB emulation: enabled 2022/09/29 01:59:27 hci packet injection: enabled 2022/09/29 01:59:27 wifi device emulation: failed to parse kernel version (6.0.0-rc7-next-20220928) 2022/09/29 01:59:27 802.15.4 emulation: enabled 2022/09/29 01:59:27 fetching corpus: 0, signal 0/2000 (executing program) 2022/09/29 01:59:27 fetching corpus: 50, signal 26421/28963 (executing program) 2022/09/29 01:59:27 fetching corpus: 100, signal 35200/38336 (executing program) 2022/09/29 01:59:28 fetching corpus: 150, signal 45187/48286 (executing program) 2022/09/29 01:59:28 fetching corpus: 200, signal 49018/52444 (executing program) 2022/09/29 01:59:28 fetching corpus: 250, signal 53422/56716 (executing program) 2022/09/29 01:59:28 fetching corpus: 300, signal 56384/59682 (executing program) 2022/09/29 01:59:28 fetching corpus: 350, signal 59690/62709 (executing program) 2022/09/29 01:59:28 fetching corpus: 400, signal 64875/67003 (executing program) 2022/09/29 01:59:29 fetching corpus: 450, signal 66909/68732 (executing program) 2022/09/29 01:59:29 fetching corpus: 500, signal 71574/72332 (executing program) 2022/09/29 01:59:29 fetching corpus: 512, signal 72829/73229 (executing program) 2022/09/29 01:59:29 fetching corpus: 512, signal 72829/73258 (executing program) 2022/09/29 01:59:29 fetching corpus: 512, signal 72829/73298 (executing program) 2022/09/29 01:59:29 fetching corpus: 512, signal 72829/73328 (executing program) 2022/09/29 01:59:29 fetching corpus: 512, signal 72829/73358 (executing program) 2022/09/29 01:59:29 fetching corpus: 512, signal 72829/73394 (executing program) 2022/09/29 01:59:29 fetching corpus: 512, signal 72829/73428 (executing program) 2022/09/29 01:59:29 fetching corpus: 512, signal 72829/73454 (executing program) 2022/09/29 01:59:29 fetching corpus: 512, signal 72829/73490 (executing program) 2022/09/29 01:59:29 fetching corpus: 512, signal 72829/73519 (executing program) 2022/09/29 01:59:29 fetching corpus: 512, signal 72829/73537 (executing program) 2022/09/29 01:59:29 fetching corpus: 512, signal 72829/73574 (executing program) 2022/09/29 01:59:29 fetching corpus: 512, signal 72829/73605 (executing program) 2022/09/29 01:59:29 fetching corpus: 512, signal 72829/73648 (executing program) 2022/09/29 01:59:29 fetching corpus: 512, signal 72829/73670 (executing program) 2022/09/29 01:59:29 fetching corpus: 512, signal 72829/73696 (executing program) 2022/09/29 01:59:29 fetching corpus: 512, signal 72829/73731 (executing program) 2022/09/29 01:59:29 fetching corpus: 512, signal 72829/73757 (executing program) 2022/09/29 01:59:29 fetching corpus: 512, signal 72829/73789 (executing program) 2022/09/29 01:59:29 fetching corpus: 512, signal 72829/73825 (executing program) 2022/09/29 01:59:29 fetching corpus: 512, signal 72829/73855 (executing program) 2022/09/29 01:59:29 fetching corpus: 512, signal 72829/73882 (executing program) 2022/09/29 01:59:29 fetching corpus: 512, signal 72829/73921 (executing program) 2022/09/29 01:59:29 fetching corpus: 512, signal 72829/73956 (executing program) 2022/09/29 01:59:29 fetching corpus: 512, signal 72829/73987 (executing program) 2022/09/29 01:59:29 fetching corpus: 512, signal 72829/74005 (executing program) 2022/09/29 01:59:29 fetching corpus: 512, signal 72829/74005 (executing program) 2022/09/29 01:59:32 starting 8 fuzzer processes 01:59:32 executing program 0: r0 = socket$inet_udplite(0x2, 0x2, 0x88) setsockopt$inet_udp_int(r0, 0x11, 0x0, &(0x7f0000000740), 0x4) 01:59:32 executing program 1: accept4(0xffffffffffffffff, 0x0, 0x0, 0x0) syz_io_uring_setup(0x60ef, &(0x7f0000000000), &(0x7f0000fff000/0x1000)=nil, &(0x7f0000ffe000/0x2000)=nil, &(0x7f0000000080), &(0x7f00000000c0)) syz_io_uring_submit(0x0, 0x0, &(0x7f0000000100)=@IORING_OP_SPLICE={0x1e, 0x0, 0x0, @fd_index, 0x0, {}, 0x0, 0x0, 0x1}, 0x0) 01:59:32 executing program 2: r0 = syz_open_dev$evdev(&(0x7f0000000180), 0x0, 0x0) ioctl$EVIOCGABS20(r0, 0x80184560, 0x0) [ 65.944014] audit: type=1400 audit(1664416772.158:6): avc: denied { execmem } for pid=286 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 01:59:32 executing program 7: msgctl$MSG_INFO(0x0, 0xc, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x41}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open$cgroup(&(0x7f0000000480)={0x1, 0x80, 0xfb, 0x30, 0x1, 0x8, 0x0, 0x7a8c, 0x820, 0x2, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x4000849, 0x1, @perf_config_ext={0x0, 0x8000000008}, 0x108, 0x5, 0x3, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, 0xffffffffffffffff, 0x5, 0xffffffffffffffff, 0x0) msgget(0x0, 0x230) msgctl$IPC_INFO(0x0, 0x3, &(0x7f0000000100)=""/230) msgsnd(0x0, 0x0, 0x8, 0x0) msgctl$IPC_RMID(0x0, 0x0) 01:59:32 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), 0xffffffffffffffff) sendmsg$ETHTOOL_MSG_DEBUG_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000240)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_macvtap\x00'}]}]}, 0x2c}}, 0x0) 01:59:32 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_fanout(r0, 0x107, 0x12, &(0x7f00000000c0)={0x0, 0x8000}, 0x4) syz_emit_ethernet(0xfdef, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaa7700c24d06a70800", @ANYRES32], 0x0) 01:59:32 executing program 5: r0 = syz_io_uring_setup(0xeaf, &(0x7f0000000200), &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffe000/0x2000)=nil, &(0x7f0000000100)=0x0, &(0x7f0000000380)=0x0) syz_io_uring_submit(r1, r2, &(0x7f0000000000)=@IORING_OP_CLOSE={0x13, 0x1}, 0x0) io_uring_enter(r0, 0x100001, 0x0, 0x0, 0x0, 0x0) 01:59:32 executing program 6: r0 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r0, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x7}, 0x4) setsockopt$packet_fanout_data(r0, 0x107, 0x16, 0x0, 0x0) [ 67.258643] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 67.261337] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 67.262947] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 67.265021] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 67.266431] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 67.268731] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 67.271384] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 67.273447] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 67.274975] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 67.293519] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 67.298350] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 67.300225] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 67.302398] Bluetooth: hci0: HCI_REQ-0x0c1a [ 67.322826] Bluetooth: hci1: HCI_REQ-0x0c1a [ 67.352897] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 67.354688] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 67.356341] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 67.360285] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 67.361709] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 67.363396] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 67.366402] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 67.367766] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 67.369134] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 67.370138] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 67.371359] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 67.372785] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 67.373771] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 67.376956] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 67.378714] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 67.379863] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 67.380190] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 67.380803] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 67.383314] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 67.384530] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 67.385966] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 67.390481] Bluetooth: hci4: HCI_REQ-0x0c1a [ 67.402881] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 67.404379] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 67.405442] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 67.406817] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 67.409502] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 67.410936] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 67.412341] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 67.413709] Bluetooth: hci2: HCI_REQ-0x0c1a [ 67.418960] Bluetooth: hci5: HCI_REQ-0x0c1a [ 67.423876] Bluetooth: hci7: HCI_REQ-0x0c1a [ 67.437929] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 67.441339] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 67.447909] Bluetooth: hci6: HCI_REQ-0x0c1a [ 69.325241] Bluetooth: hci3: Opcode 0x c03 failed: -110 [ 69.326801] Bluetooth: hci1: command 0x0409 tx timeout [ 69.327358] Bluetooth: hci0: command 0x0409 tx timeout [ 69.453262] Bluetooth: hci4: command 0x0409 tx timeout [ 69.454235] Bluetooth: hci7: command 0x0409 tx timeout [ 69.454456] Bluetooth: hci5: command 0x0409 tx timeout [ 69.455206] Bluetooth: hci2: command 0x0409 tx timeout [ 69.518120] Bluetooth: hci6: command 0x0409 tx timeout [ 71.373204] Bluetooth: hci0: command 0x041b tx timeout [ 71.375010] Bluetooth: hci1: command 0x041b tx timeout [ 71.501134] Bluetooth: hci5: command 0x041b tx timeout [ 71.501866] Bluetooth: hci7: command 0x041b tx timeout [ 71.502674] Bluetooth: hci4: command 0x041b tx timeout [ 71.503669] Bluetooth: hci2: command 0x041b tx timeout [ 71.565142] Bluetooth: hci6: command 0x041b tx timeout [ 72.403387] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 72.406148] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 72.407490] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 72.411116] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 72.414012] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 72.415662] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 72.429200] Bluetooth: hci3: HCI_REQ-0x0c1a [ 73.422123] Bluetooth: hci1: command 0x040f tx timeout [ 73.422251] Bluetooth: hci0: command 0x040f tx timeout [ 73.550198] Bluetooth: hci2: command 0x040f tx timeout [ 73.550264] Bluetooth: hci4: command 0x040f tx timeout [ 73.550988] Bluetooth: hci7: command 0x040f tx timeout [ 73.551442] Bluetooth: hci5: command 0x040f tx timeout [ 73.614222] Bluetooth: hci6: command 0x040f tx timeout [ 74.445170] Bluetooth: hci3: command 0x0409 tx timeout [ 75.469202] Bluetooth: hci0: command 0x0419 tx timeout [ 75.469254] Bluetooth: hci1: command 0x0419 tx timeout [ 75.597277] Bluetooth: hci7: command 0x0419 tx timeout [ 75.597301] Bluetooth: hci5: command 0x0419 tx timeout [ 75.597335] Bluetooth: hci4: command 0x0419 tx timeout [ 75.598107] Bluetooth: hci2: command 0x0419 tx timeout [ 75.661117] Bluetooth: hci6: command 0x0419 tx timeout [ 76.493145] Bluetooth: hci3: command 0x041b tx timeout [ 78.542219] Bluetooth: hci3: command 0x040f tx timeout [ 80.589569] Bluetooth: hci3: command 0x0419 tx timeout 02:00:31 executing program 6: r0 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r0, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x7}, 0x4) setsockopt$packet_fanout_data(r0, 0x107, 0x16, 0x0, 0x0) 02:00:31 executing program 6: r0 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r0, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x7}, 0x4) setsockopt$packet_fanout_data(r0, 0x107, 0x16, 0x0, 0x0) 02:00:31 executing program 6: r0 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r0, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x7}, 0x4) setsockopt$packet_fanout_data(r0, 0x107, 0x16, 0x0, 0x0) 02:00:31 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_fanout(r0, 0x107, 0x12, &(0x7f00000000c0)={0x0, 0x8000}, 0x4) syz_emit_ethernet(0xfdef, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaa7700c24d06a70800", @ANYRES32], 0x0) 02:00:31 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_fanout(r0, 0x107, 0x12, &(0x7f00000000c0)={0x0, 0x8000}, 0x4) syz_emit_ethernet(0xfdef, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaa7700c24d06a70800", @ANYRES32], 0x0) 02:00:31 executing program 6: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_fanout(r0, 0x107, 0x12, &(0x7f00000000c0)={0x0, 0x8000}, 0x4) syz_emit_ethernet(0xfdef, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaa7700c24d06a70800", @ANYRES32], 0x0) [ 125.988628] audit: type=1400 audit(1664416832.203:7): avc: denied { open } for pid=3913 comm="syz-executor.7" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 125.995522] audit: type=1400 audit(1664416832.210:8): avc: denied { kernel } for pid=3913 comm="syz-executor.7" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 126.001301] ------------[ cut here ]------------ [ 126.001325] [ 126.001328] ====================================================== [ 126.001332] WARNING: possible circular locking dependency detected [ 126.001337] 6.0.0-rc7-next-20220928 #1 Not tainted [ 126.001343] ------------------------------------------------------ [ 126.001347] syz-executor.7/3914 is trying to acquire lock: [ 126.001354] ffffffff853faab8 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70 [ 126.001399] [ 126.001399] but task is already holding lock: [ 126.001403] ffff88801b818820 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 126.001433] [ 126.001433] which lock already depends on the new lock. [ 126.001433] [ 126.001436] [ 126.001436] the existing dependency chain (in reverse order) is: [ 126.001440] [ 126.001440] -> #3 (&ctx->lock){....}-{2:2}: [ 126.001455] _raw_spin_lock+0x2a/0x40 [ 126.001469] __perf_event_task_sched_out+0x53b/0x18d0 [ 126.001482] __schedule+0xedd/0x2470 [ 126.001500] schedule+0xda/0x1b0 [ 126.001517] exit_to_user_mode_prepare+0x114/0x1a0 [ 126.001531] syscall_exit_to_user_mode+0x19/0x40 [ 126.001546] do_syscall_64+0x48/0x90 [ 126.001558] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 126.001574] [ 126.001574] -> #2 (&rq->__lock){-.-.}-{2:2}: [ 126.001588] _raw_spin_lock_nested+0x30/0x40 [ 126.001601] raw_spin_rq_lock_nested+0x1e/0x30 [ 126.001616] task_fork_fair+0x63/0x4d0 [ 126.001635] sched_cgroup_fork+0x3d0/0x540 [ 126.001650] copy_process+0x4183/0x6e20 [ 126.001662] kernel_clone+0xe7/0x890 [ 126.001672] user_mode_thread+0xad/0xf0 [ 126.001683] rest_init+0x24/0x250 [ 126.001698] arch_call_rest_init+0xf/0x14 [ 126.001719] start_kernel+0x4c6/0x4eb [ 126.001737] secondary_startup_64_no_verify+0xe0/0xeb [ 126.001752] [ 126.001752] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 126.001767] _raw_spin_lock_irqsave+0x39/0x60 [ 126.001780] try_to_wake_up+0xab/0x1930 [ 126.001794] up+0x75/0xb0 [ 126.001812] __up_console_sem+0x6e/0x80 [ 126.001830] console_unlock+0x46a/0x590 [ 126.001848] vprintk_emit+0x1bd/0x560 [ 126.001866] vprintk+0x84/0xa0 [ 126.001884] _printk+0xba/0xf1 [ 126.001899] regdb_fw_cb.cold+0x6c/0xa7 [ 126.001920] request_firmware_work_func+0x12e/0x240 [ 126.001935] process_one_work+0xa17/0x16a0 [ 126.001955] worker_thread+0x637/0x1260 [ 126.001973] kthread+0x2ed/0x3a0 [ 126.001989] ret_from_fork+0x22/0x30 [ 126.002002] [ 126.002002] -> #0 ((console_sem).lock){....}-{2:2}: [ 126.002017] __lock_acquire+0x2a02/0x5e70 [ 126.002036] lock_acquire+0x1a2/0x530 [ 126.002054] _raw_spin_lock_irqsave+0x39/0x60 [ 126.002067] down_trylock+0xe/0x70 [ 126.002086] __down_trylock_console_sem+0x3b/0xd0 [ 126.002104] vprintk_emit+0x16b/0x560 [ 126.002122] vprintk+0x84/0xa0 [ 126.002143] _printk+0xba/0xf1 [ 126.002157] report_bug.cold+0x72/0xab [ 126.002168] handle_bug+0x3c/0x70 [ 126.002178] exc_invalid_op+0x14/0x50 [ 126.002189] asm_exc_invalid_op+0x16/0x20 [ 126.002204] group_sched_out.part.0+0x2c7/0x460 [ 126.002215] ctx_sched_out+0x8f1/0xc10 [ 126.002226] __perf_event_task_sched_out+0x6d0/0x18d0 [ 126.002240] __schedule+0xedd/0x2470 [ 126.002257] schedule+0xda/0x1b0 [ 126.002273] exit_to_user_mode_prepare+0x114/0x1a0 [ 126.002285] syscall_exit_to_user_mode+0x19/0x40 [ 126.002300] do_syscall_64+0x48/0x90 [ 126.002311] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 126.002326] [ 126.002326] other info that might help us debug this: [ 126.002326] [ 126.002329] Chain exists of: [ 126.002329] (console_sem).lock --> &rq->__lock --> &ctx->lock [ 126.002329] [ 126.002345] Possible unsafe locking scenario: [ 126.002345] [ 126.002347] CPU0 CPU1 [ 126.002350] ---- ---- [ 126.002352] lock(&ctx->lock); [ 126.002359] lock(&rq->__lock); [ 126.002366] lock(&ctx->lock); [ 126.002372] lock((console_sem).lock); [ 126.002378] [ 126.002378] *** DEADLOCK *** [ 126.002378] [ 126.002380] 2 locks held by syz-executor.7/3914: [ 126.002387] #0: ffff88806ce37d18 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470 [ 126.002421] #1: ffff88801b818820 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 126.002451] [ 126.002451] stack backtrace: [ 126.002454] CPU: 0 PID: 3914 Comm: syz-executor.7 Not tainted 6.0.0-rc7-next-20220928 #1 [ 126.002468] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 126.002476] Call Trace: [ 126.002479] [ 126.002484] dump_stack_lvl+0x8b/0xb3 [ 126.002497] check_noncircular+0x263/0x2e0 [ 126.002515] ? format_decode+0x26c/0xb50 [ 126.002535] ? print_circular_bug+0x450/0x450 [ 126.002554] ? enable_ptr_key_workfn+0x20/0x20 [ 126.002573] ? __lockdep_reset_lock+0x180/0x180 [ 126.002592] ? format_decode+0x26c/0xb50 [ 126.002613] ? alloc_chain_hlocks+0x1ec/0x5a0 [ 126.002632] __lock_acquire+0x2a02/0x5e70 [ 126.002656] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 126.002681] lock_acquire+0x1a2/0x530 [ 126.002700] ? down_trylock+0xe/0x70 [ 126.002721] ? lock_release+0x750/0x750 [ 126.002741] ? find_held_lock+0x2c/0x110 [ 126.002760] ? vprintk+0x84/0xa0 [ 126.002780] _raw_spin_lock_irqsave+0x39/0x60 [ 126.002794] ? down_trylock+0xe/0x70 [ 126.002814] down_trylock+0xe/0x70 [ 126.002833] ? vprintk+0x84/0xa0 [ 126.002852] __down_trylock_console_sem+0x3b/0xd0 [ 126.002871] vprintk_emit+0x16b/0x560 [ 126.002893] vprintk+0x84/0xa0 [ 126.002912] _printk+0xba/0xf1 [ 126.002926] ? record_print_text.cold+0x16/0x16 [ 126.002943] ? hrtimer_try_to_cancel+0x163/0x2c0 [ 126.002959] ? lock_downgrade+0x6d0/0x6d0 [ 126.002978] ? report_bug.cold+0x66/0xab [ 126.002990] ? group_sched_out.part.0+0x2c7/0x460 [ 126.003003] report_bug.cold+0x72/0xab [ 126.003016] handle_bug+0x3c/0x70 [ 126.003027] exc_invalid_op+0x14/0x50 [ 126.003040] asm_exc_invalid_op+0x16/0x20 [ 126.003056] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 126.003070] Code: 5e 41 5f e9 cb a9 ef ff e8 c6 a9 ef ff 65 8b 1d db 12 ac 7e 31 ff 89 de e8 66 a6 ef ff 85 db 0f 84 8a 00 00 00 e8 a9 a9 ef ff <0f> 0b e9 a5 fe ff ff e8 9d a9 ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 126.003082] RSP: 0018:ffff88803cf47c48 EFLAGS: 00010006 [ 126.003092] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 126.003100] RDX: ffff88803cd9d040 RSI: ffffffff815662f7 RDI: 0000000000000005 [ 126.003108] RBP: ffff888008660000 R08: 0000000000000005 R09: 0000000000000001 [ 126.003116] R10: 0000000000000000 R11: 0000000000000001 R12: ffff88801b818800 [ 126.003123] R13: ffff88806ce3d140 R14: ffffffff8547c860 R15: 0000000000000002 [ 126.003135] ? group_sched_out.part.0+0x2c7/0x460 [ 126.003149] ? group_sched_out.part.0+0x2c7/0x460 [ 126.003164] ctx_sched_out+0x8f1/0xc10 [ 126.003178] __perf_event_task_sched_out+0x6d0/0x18d0 [ 126.003195] ? lock_is_held_type+0xd7/0x130 [ 126.003211] ? __perf_cgroup_move+0x160/0x160 [ 126.003225] ? set_next_entity+0x304/0x550 [ 126.003244] ? update_curr+0x267/0x740 [ 126.003265] ? lock_is_held_type+0xd7/0x130 [ 126.003282] __schedule+0xedd/0x2470 [ 126.003303] ? io_schedule_timeout+0x150/0x150 [ 126.003323] ? __x64_sys_futex_time32+0x480/0x480 [ 126.003338] schedule+0xda/0x1b0 [ 126.003357] exit_to_user_mode_prepare+0x114/0x1a0 [ 126.003370] syscall_exit_to_user_mode+0x19/0x40 [ 126.003386] do_syscall_64+0x48/0x90 [ 126.003398] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 126.003414] RIP: 0033:0x7f15de16bb19 [ 126.003423] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 126.003434] RSP: 002b:00007f15db6e1218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 126.003446] RAX: 0000000000000001 RBX: 00007f15de27ef68 RCX: 00007f15de16bb19 [ 126.003453] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f15de27ef6c [ 126.003461] RBP: 00007f15de27ef60 R08: 000000000000000e R09: 0000000000000000 [ 126.003469] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f15de27ef6c [ 126.003476] R13: 00007ffece16c9cf R14: 00007f15db6e1300 R15: 0000000000022000 [ 126.003490] [ 126.066419] WARNING: CPU: 0 PID: 3914 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460 [ 126.067068] Modules linked in: [ 126.067306] CPU: 0 PID: 3914 Comm: syz-executor.7 Not tainted 6.0.0-rc7-next-20220928 #1 [ 126.067871] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 126.068664] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 126.069052] Code: 5e 41 5f e9 cb a9 ef ff e8 c6 a9 ef ff 65 8b 1d db 12 ac 7e 31 ff 89 de e8 66 a6 ef ff 85 db 0f 84 8a 00 00 00 e8 a9 a9 ef ff <0f> 0b e9 a5 fe ff ff e8 9d a9 ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 126.070314] RSP: 0018:ffff88803cf47c48 EFLAGS: 00010006 [ 126.070697] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 126.071383] RDX: ffff88803cd9d040 RSI: ffffffff815662f7 RDI: 0000000000000005 [ 126.072092] RBP: ffff888008660000 R08: 0000000000000005 R09: 0000000000000001 [ 126.072789] R10: 0000000000000000 R11: 0000000000000001 R12: ffff88801b818800 [ 126.073482] R13: ffff88806ce3d140 R14: ffffffff8547c860 R15: 0000000000000002 [ 126.074170] FS: 00007f15db6e1700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 126.074955] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 126.075525] CR2: 00007fb66abda1f8 CR3: 00000000099c2000 CR4: 0000000000350ef0 [ 126.076209] Call Trace: [ 126.076400] [ 126.076573] ctx_sched_out+0x8f1/0xc10 [ 126.076865] __perf_event_task_sched_out+0x6d0/0x18d0 [ 126.077243] ? lock_is_held_type+0xd7/0x130 [ 126.077564] ? __perf_cgroup_move+0x160/0x160 [ 126.077890] ? set_next_entity+0x304/0x550 [ 126.078204] ? update_curr+0x267/0x740 [ 126.078498] ? lock_is_held_type+0xd7/0x130 [ 126.078813] __schedule+0xedd/0x2470 [ 126.079096] ? io_schedule_timeout+0x150/0x150 [ 126.079441] ? __x64_sys_futex_time32+0x480/0x480 [ 126.079792] schedule+0xda/0x1b0 [ 126.080066] exit_to_user_mode_prepare+0x114/0x1a0 [ 126.080427] syscall_exit_to_user_mode+0x19/0x40 [ 126.080772] do_syscall_64+0x48/0x90 [ 126.081048] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 126.081431] RIP: 0033:0x7f15de16bb19 [ 126.081702] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 126.082963] RSP: 002b:00007f15db6e1218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 126.083508] RAX: 0000000000000001 RBX: 00007f15de27ef68 RCX: 00007f15de16bb19 [ 126.084018] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f15de27ef6c [ 126.084524] RBP: 00007f15de27ef60 R08: 000000000000000e R09: 0000000000000000 [ 126.085025] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f15de27ef6c [ 126.085525] R13: 00007ffece16c9cf R14: 00007f15db6e1300 R15: 0000000000022000 [ 126.086033] [ 126.086210] irq event stamp: 654 [ 126.086451] hardirqs last enabled at (653): [] exit_to_user_mode_prepare+0x109/0x1a0 [ 126.087107] hardirqs last disabled at (654): [] __schedule+0x1225/0x2470 [ 126.087697] softirqs last enabled at (488): [] __irq_exit_rcu+0x11b/0x180 [ 126.088311] softirqs last disabled at (343): [] __irq_exit_rcu+0x11b/0x180 [ 126.088909] ---[ end trace 0000000000000000 ]--- [ 128.488444] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 128.489262] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 128.489991] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 128.491864] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 128.492931] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 128.495193] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 128.499097] Bluetooth: hci2: HCI_REQ-0x0c1a [ 130.510964] Bluetooth: hci6: Opcode 0x c03 failed: -110 [ 130.512214] Bluetooth: hci2: command 0x0409 tx timeout [ 132.557136] Bluetooth: hci2: command 0x041b tx timeout [ 134.605147] Bluetooth: hci2: command 0x040f tx timeout [ 134.669087] Bluetooth: hci6: Opcode 0x c03 failed: -110 VM DIAGNOSIS: 02:00:32 Registers: info registers vcpu 0 RAX=000000000000000d RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff823ba131 RDI=ffffffff8765a980 RBP=ffffffff8765a940 RSP=ffff88803cf47690 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=000000000000000d 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 00007f15db6e1700 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=00007fb66abda1f8 CR3=00000000099c2000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 YMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM01=0000000000000000 0000000000000000 00007f15de2527c0 00007f15de2527c8 YMM02=0000000000000000 0000000000000000 00007f15de2527e0 00007f15de2527c0 YMM03=0000000000000000 0000000000000000 00007f15de2527c8 00007f15de2527c0 YMM04=0000000000000000 0000000000000000 ffffffffffffffff ffffffff00000000 YMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM06=0000000000000000 0000000000000000 0000000000000000 000000524f525245 YMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM08=0000000000000000 0000000000000000 0000000000000000 00524f5252450040 YMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 info registers vcpu 1 RAX=0000000080000000 RBX=0000000000000063 RCX=0000000000000000 RDX=ffff88801a729ac0 RSI=ffffffff8181555c RDI=0000000000000007 RBP=ffff88802d287c88 RSP=ffff88802d287ad8 R8 =0000000000000007 R9 =fffffffffffff000 R10=ffff88801bd7bbe8 R11=0000000000000001 R12=ffff88801bd7bbe8 R13=0000000000000002 R14=ffff88802d287cd8 R15=ffff88803c688024 RIP=ffffffff81460cbc 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 0000555556394400 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=00007fff0f52ce88 CR3=000000000da82000 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 ff000000000000ff YMM01=0000000000000000 0000000000000000 2525252525252525 2525252525252525 YMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM04=0000000000000000 0000000000000000 0000000000000000 00000000000000ff 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