Warning: Permanently added '[localhost]:46383' (ECDSA) to the list of known hosts. 2022/10/06 10:52:16 fuzzer started 2022/10/06 10:52:16 dialing manager at localhost:37161 syzkaller login: [ 35.472494] cgroup: Unknown subsys name 'net' [ 35.583909] cgroup: Unknown subsys name 'rlimit' 2022/10/06 10:52:30 syscalls: 2215 2022/10/06 10:52:30 code coverage: enabled 2022/10/06 10:52:30 comparison tracing: enabled 2022/10/06 10:52:30 extra coverage: enabled 2022/10/06 10:52:30 setuid sandbox: enabled 2022/10/06 10:52:30 namespace sandbox: enabled 2022/10/06 10:52:30 Android sandbox: enabled 2022/10/06 10:52:30 fault injection: enabled 2022/10/06 10:52:30 leak checking: enabled 2022/10/06 10:52:30 net packet injection: enabled 2022/10/06 10:52:30 net device setup: enabled 2022/10/06 10:52:30 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/10/06 10:52:30 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/10/06 10:52:30 USB emulation: enabled 2022/10/06 10:52:30 hci packet injection: enabled 2022/10/06 10:52:30 wifi device emulation: failed to parse kernel version (6.0.0-next-20221006) 2022/10/06 10:52:30 802.15.4 emulation: enabled 2022/10/06 10:52:30 fetching corpus: 0, signal 0/2000 (executing program) 2022/10/06 10:52:30 fetching corpus: 47, signal 26872/29321 (executing program) 2022/10/06 10:52:30 fetching corpus: 97, signal 35868/38743 (executing program) 2022/10/06 10:52:31 fetching corpus: 147, signal 42788/45850 (executing program) 2022/10/06 10:52:31 fetching corpus: 196, signal 47387/50529 (executing program) 2022/10/06 10:52:31 fetching corpus: 246, signal 51348/54458 (executing program) 2022/10/06 10:52:31 fetching corpus: 296, signal 57667/60106 (executing program) 2022/10/06 10:52:31 fetching corpus: 346, signal 62634/64321 (executing program) 2022/10/06 10:52:31 fetching corpus: 396, signal 67446/68104 (executing program) 2022/10/06 10:52:31 fetching corpus: 432, signal 69069/69334 (executing program) 2022/10/06 10:52:31 fetching corpus: 432, signal 69069/69358 (executing program) 2022/10/06 10:52:31 fetching corpus: 432, signal 69069/69394 (executing program) 2022/10/06 10:52:31 fetching corpus: 432, signal 69069/69419 (executing program) 2022/10/06 10:52:31 fetching corpus: 432, signal 69069/69442 (executing program) 2022/10/06 10:52:31 fetching corpus: 432, signal 69069/69475 (executing program) 2022/10/06 10:52:31 fetching corpus: 432, signal 69069/69496 (executing program) 2022/10/06 10:52:31 fetching corpus: 432, signal 69069/69518 (executing program) 2022/10/06 10:52:31 fetching corpus: 432, signal 69069/69534 (executing program) 2022/10/06 10:52:31 fetching corpus: 432, signal 69069/69558 (executing program) 2022/10/06 10:52:31 fetching corpus: 432, signal 69069/69586 (executing program) 2022/10/06 10:52:31 fetching corpus: 432, signal 69069/69610 (executing program) 2022/10/06 10:52:31 fetching corpus: 432, signal 69069/69635 (executing program) 2022/10/06 10:52:31 fetching corpus: 432, signal 69069/69657 (executing program) 2022/10/06 10:52:31 fetching corpus: 432, signal 69069/69674 (executing program) 2022/10/06 10:52:31 fetching corpus: 432, signal 69069/69693 (executing program) 2022/10/06 10:52:31 fetching corpus: 432, signal 69069/69713 (executing program) 2022/10/06 10:52:31 fetching corpus: 432, signal 69069/69736 (executing program) 2022/10/06 10:52:32 fetching corpus: 432, signal 69069/69763 (executing program) 2022/10/06 10:52:32 fetching corpus: 432, signal 69069/69796 (executing program) 2022/10/06 10:52:32 fetching corpus: 432, signal 69069/69820 (executing program) 2022/10/06 10:52:32 fetching corpus: 432, signal 69069/69851 (executing program) 2022/10/06 10:52:32 fetching corpus: 432, signal 69069/69882 (executing program) 2022/10/06 10:52:32 fetching corpus: 432, signal 69069/69912 (executing program) 2022/10/06 10:52:32 fetching corpus: 432, signal 69069/69938 (executing program) 2022/10/06 10:52:32 fetching corpus: 432, signal 69069/69965 (executing program) 2022/10/06 10:52:32 fetching corpus: 432, signal 69069/69965 (executing program) 2022/10/06 10:52:34 starting 8 fuzzer processes 10:52:34 executing program 1: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_GET(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000240)={0x40, 0x1, 0x2, 0x101, 0x0, 0x0, {0x2}, [@CTA_EXPECT_MASTER={0x2c, 0x1, 0x0, 0x1, [@CTA_TUPLE_IP={0x14, 0x1, 0x0, 0x1, @ipv4={{0x8, 0x1, @empty}, {0x8, 0x2, @local}}}, @CTA_TUPLE_ZONE={0x6}, @CTA_TUPLE_PROTO={0xc, 0x2, 0x0, 0x1, {0x5}}]}]}, 0x40}}, 0x0) 10:52:34 executing program 5: syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f00000000c0)=ANY=[@ANYBLOB='mpol=tnterleave=static:15-4', @ANYRESOCT=0x0]) 10:52:34 executing program 2: r0 = epoll_create(0x4) r1 = epoll_create(0x4) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000380)) r2 = socket$inet_icmp_raw(0x2, 0x3, 0x1) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r2, &(0x7f00000000c0)={0x80000004}) 10:52:34 executing program 0: perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0x76, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000200)={0x77359400}, 0x10) 10:52:34 executing program 3: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x26e1, 0x0) fcntl$setlease(r0, 0x400, 0x0) openat$vga_arbiter(0xffffffffffffff9c, 0x0, 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) unlink(&(0x7f0000000080)='./file0\x00') 10:52:34 executing program 4: unshare(0x34060a80) 10:52:34 executing program 6: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000000040)=0x4156, 0x4) sendmmsg$inet(r0, &(0x7f0000002a00)=[{{&(0x7f0000000000)={0x2, 0x4e21}, 0x10, 0x0}}], 0x1, 0x0) recvmmsg(r0, &(0x7f0000002480)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)=""/203, 0xcb}}], 0x1, 0x40012000, 0x0) 10:52:34 executing program 7: syz_mount_image$nfs4(0x0, 0x0, 0x0, 0x1, &(0x7f0000000500)=[{0x0}], 0x0, 0x0) [ 52.682128] audit: type=1400 audit(1665053554.328:6): avc: denied { execmem } for pid=284 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 53.876729] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 53.878816] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 53.881014] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 53.883243] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 53.884971] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 53.888231] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 53.889569] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 53.891400] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 53.891509] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 53.892576] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 53.893842] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 53.897596] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 53.898740] Bluetooth: hci2: HCI_REQ-0x0c1a [ 53.918934] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 53.920503] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 53.928452] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 53.930690] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 53.932556] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 53.937242] Bluetooth: hci1: HCI_REQ-0x0c1a [ 53.947227] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 53.949442] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 53.951224] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 53.955582] Bluetooth: hci0: HCI_REQ-0x0c1a [ 53.956148] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 53.965471] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 53.993062] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 53.995889] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 53.997315] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 54.002030] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 54.004558] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 54.006056] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 54.011733] Bluetooth: hci7: HCI_REQ-0x0c1a [ 54.020545] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 54.022551] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 54.024724] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 54.029959] Bluetooth: hci3: HCI_REQ-0x0c1a [ 54.052698] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 54.058034] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 54.063590] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 54.072710] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 54.077683] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 54.078303] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 54.080650] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 54.086143] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 54.091495] Bluetooth: hci4: HCI_REQ-0x0c1a [ 54.123740] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 54.135582] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 54.139904] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 54.158722] Bluetooth: hci6: HCI_REQ-0x0c1a [ 55.953753] Bluetooth: hci1: command 0x0409 tx timeout [ 55.954417] Bluetooth: hci2: command 0x0409 tx timeout [ 56.017400] Bluetooth: hci5: Opcode 0x c03 failed: -110 [ 56.017410] Bluetooth: hci0: command 0x0409 tx timeout [ 56.081661] Bluetooth: hci3: command 0x0409 tx timeout [ 56.081692] Bluetooth: hci7: command 0x0409 tx timeout [ 56.146418] Bluetooth: hci4: command 0x0409 tx timeout [ 56.209405] Bluetooth: hci6: command 0x0409 tx timeout [ 58.002829] Bluetooth: hci2: command 0x041b tx timeout [ 58.002867] Bluetooth: hci1: command 0x041b tx timeout [ 58.066392] Bluetooth: hci0: command 0x041b tx timeout [ 58.129466] Bluetooth: hci7: command 0x041b tx timeout [ 58.130488] Bluetooth: hci3: command 0x041b tx timeout [ 58.195259] Bluetooth: hci4: command 0x041b tx timeout [ 58.257400] Bluetooth: hci6: command 0x041b tx timeout [ 58.736933] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 58.738952] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 58.740714] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 58.747616] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 58.748783] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 58.749483] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 58.761388] Bluetooth: hci5: HCI_REQ-0x0c1a [ 60.049514] Bluetooth: hci2: command 0x040f tx timeout [ 60.049625] Bluetooth: hci1: command 0x040f tx timeout [ 60.113540] Bluetooth: hci0: command 0x040f tx timeout [ 60.177522] Bluetooth: hci3: command 0x040f tx timeout [ 60.177566] Bluetooth: hci7: command 0x040f tx timeout [ 60.241645] Bluetooth: hci4: command 0x040f tx timeout [ 60.305477] Bluetooth: hci6: command 0x040f tx timeout [ 60.817532] Bluetooth: hci5: command 0x0409 tx timeout [ 62.097568] Bluetooth: hci1: command 0x0419 tx timeout [ 62.097596] Bluetooth: hci2: command 0x0419 tx timeout [ 62.161411] Bluetooth: hci0: command 0x0419 tx timeout [ 62.225420] Bluetooth: hci3: command 0x0419 tx timeout [ 62.226154] Bluetooth: hci7: command 0x0419 tx timeout [ 62.289423] Bluetooth: hci4: command 0x0419 tx timeout [ 62.353412] Bluetooth: hci6: command 0x0419 tx timeout [ 62.865415] Bluetooth: hci5: command 0x041b tx timeout [ 64.914440] Bluetooth: hci5: command 0x040f tx timeout [ 66.962425] Bluetooth: hci5: command 0x0419 tx timeout [ 110.518298] audit: type=1400 audit(1665053612.164:7): avc: denied { open } for pid=3686 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 110.520648] audit: type=1400 audit(1665053612.164:8): avc: denied { kernel } for pid=3686 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 10:53:32 executing program 0: perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0x76, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000200)={0x77359400}, 0x10) 10:53:32 executing program 2: r0 = epoll_create(0x4) r1 = epoll_create(0x4) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000380)) r2 = socket$inet_icmp_raw(0x2, 0x3, 0x1) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r2, &(0x7f00000000c0)={0x80000004}) 10:53:32 executing program 0: perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0x76, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000200)={0x77359400}, 0x10) 10:53:32 executing program 2: r0 = epoll_create(0x4) r1 = epoll_create(0x4) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000380)) r2 = socket$inet_icmp_raw(0x2, 0x3, 0x1) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r2, &(0x7f00000000c0)={0x80000004}) 10:53:32 executing program 0: perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0x76, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000200)={0x77359400}, 0x10) [ 110.924984] ------------[ cut here ]------------ [ 110.925014] [ 110.925018] ====================================================== [ 110.925021] WARNING: possible circular locking dependency detected [ 110.925025] 6.0.0-next-20221006 #1 Not tainted [ 110.925032] ------------------------------------------------------ [ 110.925035] syz-executor.0/3721 is trying to acquire lock: [ 110.925041] ffffffff853fac98 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70 [ 110.925083] [ 110.925083] but task is already holding lock: [ 110.925086] ffff88800d68d020 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 110.925113] [ 110.925113] which lock already depends on the new lock. [ 110.925113] [ 110.925116] [ 110.925116] the existing dependency chain (in reverse order) is: [ 110.925119] [ 110.925119] -> #3 (&ctx->lock){....}-{2:2}: [ 110.925133] _raw_spin_lock+0x2a/0x40 [ 110.925145] __perf_event_task_sched_out+0x53b/0x18d0 [ 110.925157] __schedule+0xedd/0x2470 [ 110.925172] schedule+0xda/0x1b0 [ 110.925187] exit_to_user_mode_prepare+0x114/0x1a0 [ 110.925199] syscall_exit_to_user_mode+0x19/0x40 [ 110.925213] do_syscall_64+0x48/0x90 [ 110.925223] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 110.925237] [ 110.925237] -> #2 (&rq->__lock){-.-.}-{2:2}: [ 110.925251] _raw_spin_lock_nested+0x30/0x40 [ 110.925263] raw_spin_rq_lock_nested+0x1e/0x30 [ 110.925276] task_fork_fair+0x63/0x4d0 [ 110.925293] sched_cgroup_fork+0x3d0/0x540 [ 110.925307] copy_process+0x4183/0x6e20 [ 110.925321] kernel_clone+0xe7/0x890 [ 110.925330] user_mode_thread+0xad/0xf0 [ 110.925340] rest_init+0x24/0x250 [ 110.925353] arch_call_rest_init+0xf/0x14 [ 110.925365] start_kernel+0x4c6/0x4eb [ 110.925375] secondary_startup_64_no_verify+0xe0/0xeb [ 110.925389] [ 110.925389] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 110.925402] _raw_spin_lock_irqsave+0x39/0x60 [ 110.925414] try_to_wake_up+0xab/0x1930 [ 110.925428] up+0x75/0xb0 [ 110.925443] __up_console_sem+0x6e/0x80 [ 110.925459] console_unlock+0x46a/0x590 [ 110.925475] do_con_write+0xc05/0x1d50 [ 110.925487] con_write+0x21/0x40 [ 110.925497] n_tty_write+0x4d4/0xfe0 [ 110.925510] file_tty_write.constprop.0+0x455/0x8a0 [ 110.925522] vfs_write+0x9c3/0xd90 [ 110.925539] ksys_write+0x127/0x250 [ 110.925554] do_syscall_64+0x3b/0x90 [ 110.925564] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 110.925577] [ 110.925577] -> #0 ((console_sem).lock){....}-{2:2}: [ 110.925591] __lock_acquire+0x2a02/0x5e70 [ 110.925608] lock_acquire+0x1a2/0x530 [ 110.925624] _raw_spin_lock_irqsave+0x39/0x60 [ 110.925636] down_trylock+0xe/0x70 [ 110.925652] __down_trylock_console_sem+0x3b/0xd0 [ 110.925668] vprintk_emit+0x16b/0x560 [ 110.925683] vprintk+0x84/0xa0 [ 110.925699] _printk+0xba/0xf1 [ 110.925712] report_bug.cold+0x72/0xab [ 110.925721] handle_bug+0x3c/0x70 [ 110.925731] exc_invalid_op+0x14/0x50 [ 110.925741] asm_exc_invalid_op+0x16/0x20 [ 110.925754] group_sched_out.part.0+0x2c7/0x460 [ 110.925772] ctx_sched_out+0x8f1/0xc10 [ 110.925789] __perf_event_task_sched_out+0x6d0/0x18d0 [ 110.925800] __schedule+0xedd/0x2470 [ 110.925815] schedule+0xda/0x1b0 [ 110.925829] futex_wait_queue+0xf5/0x1e0 [ 110.925841] futex_wait+0x28e/0x690 [ 110.925851] do_futex+0x2ff/0x380 [ 110.925860] __x64_sys_futex+0x1c6/0x4d0 [ 110.925870] do_syscall_64+0x3b/0x90 [ 110.925880] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 110.925894] [ 110.925894] other info that might help us debug this: [ 110.925894] [ 110.925896] Chain exists of: [ 110.925896] (console_sem).lock --> &rq->__lock --> &ctx->lock [ 110.925896] [ 110.925911] Possible unsafe locking scenario: [ 110.925911] [ 110.925913] CPU0 CPU1 [ 110.925915] ---- ---- [ 110.925918] lock(&ctx->lock); [ 110.925923] lock(&rq->__lock); [ 110.925929] lock(&ctx->lock); [ 110.925935] lock((console_sem).lock); [ 110.925941] [ 110.925941] *** DEADLOCK *** [ 110.925941] [ 110.925943] 2 locks held by syz-executor.0/3721: [ 110.925949] #0: ffff88806ce37e98 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470 [ 110.925980] #1: ffff88800d68d020 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 110.926006] [ 110.926006] stack backtrace: [ 110.926009] CPU: 0 PID: 3721 Comm: syz-executor.0 Not tainted 6.0.0-next-20221006 #1 [ 110.926021] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 110.926028] Call Trace: [ 110.926031] [ 110.926035] dump_stack_lvl+0x8b/0xb3 [ 110.926048] check_noncircular+0x263/0x2e0 [ 110.926064] ? format_decode+0x26c/0xb50 [ 110.926082] ? print_circular_bug+0x450/0x450 [ 110.926099] ? simple_strtoul+0x30/0x30 [ 110.926116] ? format_decode+0x26c/0xb50 [ 110.926135] ? alloc_chain_hlocks+0x1ec/0x5a0 [ 110.926153] __lock_acquire+0x2a02/0x5e70 [ 110.926177] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 110.926201] lock_acquire+0x1a2/0x530 [ 110.926217] ? down_trylock+0xe/0x70 [ 110.926236] ? lock_release+0x750/0x750 [ 110.926258] ? vprintk+0x84/0xa0 [ 110.926276] _raw_spin_lock_irqsave+0x39/0x60 [ 110.926289] ? down_trylock+0xe/0x70 [ 110.926306] down_trylock+0xe/0x70 [ 110.926323] ? vprintk+0x84/0xa0 [ 110.926340] __down_trylock_console_sem+0x3b/0xd0 [ 110.926357] vprintk_emit+0x16b/0x560 [ 110.926377] vprintk+0x84/0xa0 [ 110.926394] _printk+0xba/0xf1 [ 110.926407] ? record_print_text.cold+0x16/0x16 [ 110.926425] ? report_bug.cold+0x66/0xab [ 110.926436] ? group_sched_out.part.0+0x2c7/0x460 [ 110.926455] report_bug.cold+0x72/0xab [ 110.926467] handle_bug+0x3c/0x70 [ 110.926478] exc_invalid_op+0x14/0x50 [ 110.926490] asm_exc_invalid_op+0x16/0x20 [ 110.926504] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 110.926525] Code: 5e 41 5f e9 5b a5 ef ff e8 56 a5 ef ff 65 8b 1d 1b fe ab 7e 31 ff 89 de e8 f6 a1 ef ff 85 db 0f 84 8a 00 00 00 e8 39 a5 ef ff <0f> 0b e9 a5 fe ff ff e8 2d a5 ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 110.926537] RSP: 0018:ffff88801893f8f8 EFLAGS: 00010006 [ 110.926546] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 110.926553] RDX: ffff88803efb9ac0 RSI: ffffffff815677b7 RDI: 0000000000000005 [ 110.926561] RBP: ffff8880086605c8 R08: 0000000000000005 R09: 0000000000000001 [ 110.926568] R10: 0000000000000000 R11: ffffffff865b601b R12: ffff88800d68d000 [ 110.926576] R13: ffff88806ce3d2c0 R14: ffffffff8547d200 R15: 0000000000000002 [ 110.926588] ? group_sched_out.part.0+0x2c7/0x460 [ 110.926608] ? group_sched_out.part.0+0x2c7/0x460 [ 110.926628] ctx_sched_out+0x8f1/0xc10 [ 110.926649] __perf_event_task_sched_out+0x6d0/0x18d0 [ 110.926664] ? lock_is_held_type+0xd7/0x130 [ 110.926679] ? __perf_cgroup_move+0x160/0x160 [ 110.926690] ? set_next_entity+0x304/0x550 [ 110.926710] ? lock_is_held_type+0xd7/0x130 [ 110.926726] __schedule+0xedd/0x2470 [ 110.926745] ? io_schedule_timeout+0x150/0x150 [ 110.926762] ? futex_wait_setup+0x166/0x230 [ 110.926778] schedule+0xda/0x1b0 [ 110.926794] futex_wait_queue+0xf5/0x1e0 [ 110.926807] futex_wait+0x28e/0x690 [ 110.926820] ? futex_wait_setup+0x230/0x230 [ 110.926834] ? wake_up_q+0x8b/0xf0 [ 110.926847] ? do_raw_spin_unlock+0x4f/0x220 [ 110.926867] ? futex_wake+0x158/0x490 [ 110.926885] ? fd_install+0x1f9/0x640 [ 110.926901] do_futex+0x2ff/0x380 [ 110.926913] ? __ia32_compat_sys_get_robust_list+0x3b0/0x3b0 [ 110.926927] ? __up_read+0x192/0x730 [ 110.926943] __x64_sys_futex+0x1c6/0x4d0 [ 110.926957] ? __x64_sys_futex_time32+0x480/0x480 [ 110.926970] ? syscall_enter_from_user_mode+0x1d/0x50 [ 110.926986] ? syscall_enter_from_user_mode+0x1d/0x50 [ 110.927004] do_syscall_64+0x3b/0x90 [ 110.927015] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 110.927029] RIP: 0033:0x7f9ef748bb19 [ 110.927037] 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 [ 110.927048] RSP: 002b:00007f9ef4a01218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 110.927059] RAX: ffffffffffffffda RBX: 00007f9ef759ef68 RCX: 00007f9ef748bb19 [ 110.927067] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f9ef759ef68 [ 110.927074] RBP: 00007f9ef759ef60 R08: 0000000000000000 R09: 0000000000000000 [ 110.927081] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9ef759ef6c [ 110.927088] R13: 00007ffccbc933af R14: 00007f9ef4a01300 R15: 0000000000022000 [ 110.927102] [ 110.981746] WARNING: CPU: 0 PID: 3721 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460 [ 110.982314] Modules linked in: [ 110.982517] CPU: 0 PID: 3721 Comm: syz-executor.0 Not tainted 6.0.0-next-20221006 #1 [ 110.982978] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 110.983466] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 110.983806] Code: 5e 41 5f e9 5b a5 ef ff e8 56 a5 ef ff 65 8b 1d 1b fe ab 7e 31 ff 89 de e8 f6 a1 ef ff 85 db 0f 84 8a 00 00 00 e8 39 a5 ef ff <0f> 0b e9 a5 fe ff ff e8 2d a5 ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 110.984886] RSP: 0018:ffff88801893f8f8 EFLAGS: 00010006 [ 110.985206] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 110.985634] RDX: ffff88803efb9ac0 RSI: ffffffff815677b7 RDI: 0000000000000005 [ 110.986060] RBP: ffff8880086605c8 R08: 0000000000000005 R09: 0000000000000001 [ 110.986483] R10: 0000000000000000 R11: ffffffff865b601b R12: ffff88800d68d000 [ 110.986914] R13: ffff88806ce3d2c0 R14: ffffffff8547d200 R15: 0000000000000002 [ 110.987345] FS: 00007f9ef4a01700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 110.987819] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 110.988171] CR2: 00007f9ef759f018 CR3: 000000003e812000 CR4: 0000000000350ef0 [ 110.988594] Call Trace: [ 110.988754] [ 110.988901] ctx_sched_out+0x8f1/0xc10 [ 110.989153] __perf_event_task_sched_out+0x6d0/0x18d0 [ 110.989467] ? lock_is_held_type+0xd7/0x130 [ 110.989736] ? __perf_cgroup_move+0x160/0x160 [ 110.990009] ? set_next_entity+0x304/0x550 [ 110.990277] ? lock_is_held_type+0xd7/0x130 [ 110.990543] __schedule+0xedd/0x2470 [ 110.990783] ? io_schedule_timeout+0x150/0x150 [ 110.991068] ? futex_wait_setup+0x166/0x230 [ 110.991336] schedule+0xda/0x1b0 [ 110.991554] futex_wait_queue+0xf5/0x1e0 [ 110.991805] futex_wait+0x28e/0x690 [ 110.992033] ? futex_wait_setup+0x230/0x230 [ 110.992311] ? wake_up_q+0x8b/0xf0 [ 110.992536] ? do_raw_spin_unlock+0x4f/0x220 [ 110.992823] ? futex_wake+0x158/0x490 [ 110.993070] ? fd_install+0x1f9/0x640 [ 110.993314] do_futex+0x2ff/0x380 [ 110.993535] ? __ia32_compat_sys_get_robust_list+0x3b0/0x3b0 [ 110.993889] ? __up_read+0x192/0x730 [ 110.994130] __x64_sys_futex+0x1c6/0x4d0 [ 110.994385] ? __x64_sys_futex_time32+0x480/0x480 [ 110.994684] ? syscall_enter_from_user_mode+0x1d/0x50 [ 110.995002] ? syscall_enter_from_user_mode+0x1d/0x50 [ 110.995323] do_syscall_64+0x3b/0x90 [ 110.995558] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 110.995883] RIP: 0033:0x7f9ef748bb19 [ 110.996121] 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 [ 110.997197] RSP: 002b:00007f9ef4a01218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 110.997655] RAX: ffffffffffffffda RBX: 00007f9ef759ef68 RCX: 00007f9ef748bb19 [ 110.998081] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f9ef759ef68 [ 110.998512] RBP: 00007f9ef759ef60 R08: 0000000000000000 R09: 0000000000000000 [ 110.998941] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9ef759ef6c [ 110.999370] R13: 00007ffccbc933af R14: 00007f9ef4a01300 R15: 0000000000022000 [ 110.999806] [ 110.999957] irq event stamp: 240 [ 111.000171] hardirqs last enabled at (239): [] syscall_enter_from_user_mode+0x1d/0x50 [ 111.000736] hardirqs last disabled at (240): [] __schedule+0x1225/0x2470 [ 111.001234] softirqs last enabled at (40): [] __irq_exit_rcu+0x11b/0x180 [ 111.001741] softirqs last disabled at (35): [] __irq_exit_rcu+0x11b/0x180 [ 111.002242] ---[ end trace 0000000000000000 ]--- 10:53:32 executing program 2: r0 = epoll_create(0x4) r1 = epoll_create(0x4) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000380)) r2 = socket$inet_icmp_raw(0x2, 0x3, 0x1) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r2, &(0x7f00000000c0)={0x80000004}) 10:53:32 executing program 2: r0 = epoll_create(0x4) r1 = epoll_create(0x4) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000380)) r2 = socket$inet_icmp_raw(0x2, 0x3, 0x1) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r2, &(0x7f00000000c0)={0x80000004}) 10:53:32 executing program 2: r0 = epoll_create(0x4) r1 = epoll_create(0x4) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000380)) r2 = socket$inet_icmp_raw(0x2, 0x3, 0x1) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r2, &(0x7f00000000c0)={0x80000004}) [ 117.009472] Bluetooth: hci0: Opcode 0x c03 failed: -110 [ 117.073364] Bluetooth: hci2: Opcode 0x c03 failed: -110 [ 117.073445] Bluetooth: hci7: Opcode 0x c03 failed: -110 [ 119.195088] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 119.197420] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 119.199967] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 119.202135] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 119.203845] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 119.205036] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 119.208189] Bluetooth: hci0: HCI_REQ-0x0c1a VM DIAGNOSIS: 10:53:32 Registers: info registers vcpu 0 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff823c077c RDI=ffffffff8765c9e0 RBP=ffffffff8765c9a0 RSP=ffff88801893f2e8 R8 =0000000000000004 R9 =0000000000000010 R10=0000000000000010 R11=0000000000000001 R12=0000000000002710 R13=0000000000000020 R14=fffffbfff0ecb98c R15=dffffc0000000000 RIP=ffffffff823c07d1 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 00007f9ef4a01700 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=00007f9ef759f018 CR3=000000003e812000 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 XMM00=00000000000000000000000000000000 XMM01=00007f9ef75727c000007f9ef75727c8 XMM02=00007f9ef75727e000007f9ef75727c0 XMM03=00007f9ef75727c800007f9ef75727c0 XMM04=ffffffffffffffffffffffff00000000 XMM05=00000000000000000000000000000000 XMM06=0000000000000000000000524f525245 XMM07=00000000000000000000000000000000 XMM08=000000000000000000524f5252450040 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=ffff88806ce3f080 RCX=0000000000000000 RDX=ffff8880187dd040 RSI=ffffffff813bcb87 RDI=0000000000000005 RBP=0000000000000000 RSP=ffff88803ef4f950 R8 =0000000000000005 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000003 R13=ffffed100d9c7e11 R14=ffff88806ce3f088 R15=0000000000000001 RIP=ffffffff81461d27 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 0000555556896400 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=00007f9ef759481c CR3=000000003e812000 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 XMM00=00000000000000000000000000000000 XMM01=00007f9ef75727c000007f9ef75727c8 XMM02=00007f9ef75727e000007f9ef75727c0 XMM03=00007f9ef75727c800007f9ef75727c0 XMM04=ffffffffffffffffffffffff00000000 XMM05=00000000000000000000000000000000 XMM06=0000000000000000000000524f525245 XMM07=00000000000000000000000000000000 XMM08=000000000000000000524f5252450040 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000