Warning: Permanently added '[localhost]:65150' (ECDSA) to the list of known hosts. 2022/09/19 14:47:59 fuzzer started 2022/09/19 14:48:00 dialing manager at localhost:42121 syzkaller login: [ 41.184721] cgroup: Unknown subsys name 'net' [ 41.275103] cgroup: Unknown subsys name 'rlimit' 2022/09/19 14:48:14 syscalls: 2215 2022/09/19 14:48:14 code coverage: enabled 2022/09/19 14:48:14 comparison tracing: enabled 2022/09/19 14:48:14 extra coverage: enabled 2022/09/19 14:48:14 setuid sandbox: enabled 2022/09/19 14:48:14 namespace sandbox: enabled 2022/09/19 14:48:14 Android sandbox: enabled 2022/09/19 14:48:14 fault injection: enabled 2022/09/19 14:48:14 leak checking: enabled 2022/09/19 14:48:14 net packet injection: enabled 2022/09/19 14:48:14 net device setup: enabled 2022/09/19 14:48:14 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/09/19 14:48:14 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/09/19 14:48:14 USB emulation: enabled 2022/09/19 14:48:14 hci packet injection: enabled 2022/09/19 14:48:14 wifi device emulation: failed to parse kernel version (6.0.0-rc6-next-20220919) 2022/09/19 14:48:14 802.15.4 emulation: enabled 2022/09/19 14:48:14 fetching corpus: 0, signal 0/2000 (executing program) 2022/09/19 14:48:15 fetching corpus: 50, signal 25176/28750 (executing program) 2022/09/19 14:48:15 fetching corpus: 100, signal 34822/39888 (executing program) 2022/09/19 14:48:15 fetching corpus: 150, signal 44683/51101 (executing program) 2022/09/19 14:48:15 fetching corpus: 200, signal 53914/61495 (executing program) 2022/09/19 14:48:15 fetching corpus: 250, signal 64351/72927 (executing program) 2022/09/19 14:48:15 fetching corpus: 300, signal 67886/77676 (executing program) 2022/09/19 14:48:15 fetching corpus: 350, signal 71602/82493 (executing program) 2022/09/19 14:48:15 fetching corpus: 400, signal 77515/89340 (executing program) 2022/09/19 14:48:16 fetching corpus: 450, signal 81233/94023 (executing program) 2022/09/19 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(executing program) 2022/09/19 14:48:23 fetching corpus: 3500, signal 187033/212741 (executing program) 2022/09/19 14:48:23 fetching corpus: 3550, signal 188423/213621 (executing program) 2022/09/19 14:48:23 fetching corpus: 3600, signal 189142/214254 (executing program) 2022/09/19 14:48:23 fetching corpus: 3650, signal 189783/214818 (executing program) 2022/09/19 14:48:24 fetching corpus: 3700, signal 190948/215529 (executing program) 2022/09/19 14:48:24 fetching corpus: 3750, signal 192151/216239 (executing program) 2022/09/19 14:48:24 fetching corpus: 3800, signal 192953/216814 (executing program) 2022/09/19 14:48:24 fetching corpus: 3850, signal 193804/217431 (executing program) 2022/09/19 14:48:24 fetching corpus: 3900, signal 194341/217890 (executing program) 2022/09/19 14:48:24 fetching corpus: 3950, signal 194994/218368 (executing program) 2022/09/19 14:48:24 fetching corpus: 4000, signal 196239/219010 (executing program) 2022/09/19 14:48:25 fetching corpus: 4050, signal 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signal 208072/224645 (executing program) 2022/09/19 14:48:26 fetching corpus: 4700, signal 208914/224942 (executing program) 2022/09/19 14:48:27 fetching corpus: 4750, signal 209551/225207 (executing program) 2022/09/19 14:48:27 fetching corpus: 4800, signal 210203/225451 (executing program) 2022/09/19 14:48:27 fetching corpus: 4850, signal 210847/225713 (executing program) 2022/09/19 14:48:27 fetching corpus: 4900, signal 211985/226000 (executing program) 2022/09/19 14:48:27 fetching corpus: 4950, signal 212513/226185 (executing program) 2022/09/19 14:48:27 fetching corpus: 5000, signal 212926/226327 (executing program) 2022/09/19 14:48:27 fetching corpus: 5050, signal 213344/226504 (executing program) 2022/09/19 14:48:28 fetching corpus: 5100, signal 214067/226732 (executing program) 2022/09/19 14:48:28 fetching corpus: 5150, signal 214789/226918 (executing program) 2022/09/19 14:48:28 fetching corpus: 5200, signal 215630/227080 (executing program) 2022/09/19 14:48:28 fetching corpus: 5250, signal 216389/227213 (executing program) 2022/09/19 14:48:28 fetching corpus: 5300, signal 217152/227374 (executing program) 2022/09/19 14:48:28 fetching corpus: 5350, signal 218026/227584 (executing program) 2022/09/19 14:48:29 fetching corpus: 5400, signal 219107/227695 (executing program) 2022/09/19 14:48:29 fetching corpus: 5450, signal 219610/227791 (executing program) 2022/09/19 14:48:29 fetching corpus: 5500, signal 220238/227898 (executing program) 2022/09/19 14:48:29 fetching corpus: 5550, signal 220857/227965 (executing program) 2022/09/19 14:48:29 fetching corpus: 5581, signal 221344/227978 (executing program) 2022/09/19 14:48:29 fetching corpus: 5581, signal 221344/227978 (executing program) 2022/09/19 14:48:32 starting 8 fuzzer processes 14:48:32 executing program 0: perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0x9d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0) syz_mount_image$tmpfs(0x0, &(0x7f0000000700)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) lchown(&(0x7f0000000000)='./file0\x00', 0x0, 0x0) 14:48:32 executing program 2: setregid(0xffffffffffffffff, 0xffffffffffffffff) 14:48:32 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$netlink(r0, &(0x7f0000007ec0)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000240)={0x2c, 0x24, 0x1, 0x0, 0x0, "", [@typed={0x11, 0x0, 0x0, 0x0, @binary="d8c93112d53774fb2e1ea05d01"}, @nested={0x5, 0xa, 0x0, 0x1, [@generic="c9"]}]}, 0x2c}], 0x1}, 0x0) 14:48:32 executing program 3: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$IP6T_SO_SET_ADD_COUNTERS(r0, 0x29, 0x41, &(0x7f0000004100)={'security\x00', 0x2, [{}, {}]}, 0x48) 14:48:32 executing program 4: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000200)={{{@in6=@empty, @in, 0x0, 0x0, 0x0, 0x13fb, 0xa, 0x0, 0x0, 0x0, 0x0, 0xee01}, {}, {}, 0x0, 0x0, 0x1}, {{@in=@private, 0x0, 0x3c}, 0x0, @in=@empty}}, 0xe8) sendmmsg$inet6(r0, &(0x7f0000008e00)=[{{&(0x7f0000000040)={0xa, 0x4e23, 0x0, @empty}, 0x1c, 0x0}}], 0x1, 0x0) [ 73.330820] audit: type=1400 audit(1663598912.522:6): avc: denied { execmem } for pid=288 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 14:48:32 executing program 5: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000440), 0x20001, 0x0) write$binfmt_aout(r0, 0x0, 0x768) write$binfmt_aout(r0, 0x0, 0x0) 14:48:32 executing program 6: perf_event_open(&(0x7f0000000080)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, 0x44031, 0xffffffffffffffff, 0x0) mbind(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x0, 0x0, 0x0, 0x3) 14:48:32 executing program 7: request_key(&(0x7f0000000140)='user\x00', &(0x7f0000000180)={'syz', 0x0}, &(0x7f00000001c0)='syz', 0xfffffffffffffffc) [ 74.582812] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 74.590635] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 74.595756] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 74.604217] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 74.606266] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 74.608092] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 74.613748] Bluetooth: hci0: HCI_REQ-0x0c1a [ 74.637796] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 74.643304] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 74.645538] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 74.647085] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 74.652054] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 74.653737] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 74.657289] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 74.659497] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 74.660893] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 74.662649] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 74.664550] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 74.671093] Bluetooth: hci3: HCI_REQ-0x0c1a [ 74.672029] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 74.701090] Bluetooth: hci2: HCI_REQ-0x0c1a [ 74.701365] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 74.705282] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 74.713564] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 74.718422] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 74.720279] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 74.721696] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 74.722857] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 74.725664] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 74.726762] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 74.729297] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 74.731755] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 74.733629] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 74.738584] Bluetooth: hci1: HCI_REQ-0x0c1a [ 74.740322] Bluetooth: hci6: HCI_REQ-0x0c1a [ 74.784494] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 74.786181] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 74.787568] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 74.791733] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 74.802176] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 74.803930] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 74.804902] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 74.808141] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 74.817414] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 74.818777] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 74.830447] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 74.831700] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 74.832628] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 74.833966] Bluetooth: hci7: HCI_REQ-0x0c1a [ 74.872636] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 74.875817] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 74.877043] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 74.878693] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 74.881799] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 74.882682] Bluetooth: hci5: HCI_REQ-0x0c1a [ 74.887440] Bluetooth: hci4: HCI_REQ-0x0c1a [ 76.664509] Bluetooth: hci0: command 0x0409 tx timeout [ 76.728095] Bluetooth: hci2: command 0x0409 tx timeout [ 76.728659] Bluetooth: hci3: command 0x0409 tx timeout [ 76.792093] Bluetooth: hci6: command 0x0409 tx timeout [ 76.792742] Bluetooth: hci1: command 0x0409 tx timeout [ 76.856349] Bluetooth: hci7: command 0x0409 tx timeout [ 76.920072] Bluetooth: hci5: command 0x0409 tx timeout [ 76.920526] Bluetooth: hci4: command 0x0409 tx timeout [ 78.712063] Bluetooth: hci0: command 0x041b tx timeout [ 78.777520] Bluetooth: hci3: command 0x041b tx timeout [ 78.778151] Bluetooth: hci2: command 0x041b tx timeout [ 78.840194] Bluetooth: hci1: command 0x041b tx timeout [ 78.840907] Bluetooth: hci6: command 0x041b tx timeout [ 78.904108] Bluetooth: hci7: command 0x041b tx timeout [ 78.968036] Bluetooth: hci4: command 0x041b tx timeout [ 78.968911] Bluetooth: hci5: command 0x041b tx timeout [ 80.760079] Bluetooth: hci0: command 0x040f tx timeout [ 80.824050] Bluetooth: hci2: command 0x040f tx timeout [ 80.824556] Bluetooth: hci3: command 0x040f tx timeout [ 80.888071] Bluetooth: hci6: command 0x040f tx timeout [ 80.888592] Bluetooth: hci1: command 0x040f tx timeout [ 80.952034] Bluetooth: hci7: command 0x040f tx timeout [ 81.016129] Bluetooth: hci5: command 0x040f tx timeout [ 81.016700] Bluetooth: hci4: command 0x040f tx timeout [ 82.808047] Bluetooth: hci0: command 0x0419 tx timeout [ 82.872081] Bluetooth: hci3: command 0x0419 tx timeout [ 82.872539] Bluetooth: hci2: command 0x0419 tx timeout [ 82.936031] Bluetooth: hci1: command 0x0419 tx timeout [ 82.936488] Bluetooth: hci6: command 0x0419 tx timeout [ 83.000027] Bluetooth: hci7: command 0x0419 tx timeout [ 83.064082] Bluetooth: hci4: command 0x0419 tx timeout [ 83.064549] Bluetooth: hci5: command 0x0419 tx timeout 14:49:30 executing program 7: request_key(&(0x7f0000000140)='user\x00', &(0x7f0000000180)={'syz', 0x0}, &(0x7f00000001c0)='syz', 0xfffffffffffffffc) 14:49:30 executing program 7: request_key(&(0x7f0000000140)='user\x00', &(0x7f0000000180)={'syz', 0x0}, &(0x7f00000001c0)='syz', 0xfffffffffffffffc) 14:49:30 executing program 7: request_key(&(0x7f0000000140)='user\x00', &(0x7f0000000180)={'syz', 0x0}, &(0x7f00000001c0)='syz', 0xfffffffffffffffc) 14:49:30 executing program 7: syz_genetlink_get_family_id$nl80211(&(0x7f0000000500), 0xffffffffffffffff) openat$tun(0xffffffffffffff9c, 0x0, 0x0, 0x0) 14:49:30 executing program 7: mincore(&(0x7f0000ffc000/0x2000)=nil, 0x2000, &(0x7f0000000200)=""/83) 14:49:31 executing program 7: syz_open_dev$vcsn(0x0, 0x0, 0x0) syz_genetlink_get_family_id$nl80211(&(0x7f0000001940), 0xffffffffffffffff) 14:49:31 executing program 7: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) syz_genetlink_get_family_id$ethtool(&(0x7f0000000300), r0) 14:49:31 executing program 7: rt_sigaction(0x0, 0x0, 0x0, 0x0, 0x0) [ 133.186658] random: crng reseeded on system resumption [ 133.191889] Unrecognized hibernate image header format! [ 133.192398] PM: hibernation: Image mismatch: architecture specific data [ 133.195346] random: crng reseeded on system resumption [ 133.197189] Unrecognized hibernate image header format! [ 133.197591] PM: hibernation: Image mismatch: architecture specific data [ 133.267253] audit: type=1400 audit(1663598972.459:7): avc: denied { open } for pid=3945 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 [ 133.269527] audit: type=1400 audit(1663598972.459:8): avc: denied { kernel } for pid=3945 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 [ 133.300538] ------------[ cut here ]------------ [ 133.300578] [ 133.300584] ====================================================== [ 133.300591] WARNING: possible circular locking dependency detected [ 133.300599] 6.0.0-rc6-next-20220919 #1 Not tainted [ 133.300613] ------------------------------------------------------ [ 133.300619] syz-executor.6/3946 is trying to acquire lock: [ 133.300632] ffffffff853fa838 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70 [ 133.300701] [ 133.300701] but task is already holding lock: [ 133.300707] ffff88800d621c20 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 133.300764] [ 133.300764] which lock already depends on the new lock. [ 133.300764] [ 133.300771] [ 133.300771] the existing dependency chain (in reverse order) is: [ 133.300777] [ 133.300777] -> #3 (&ctx->lock){....}-{2:2}: [ 133.300807] _raw_spin_lock+0x2a/0x40 [ 133.300841] __perf_event_task_sched_out+0x53b/0x18d0 [ 133.300868] __schedule+0xedd/0x2470 [ 133.300890] preempt_schedule_common+0x45/0xc0 [ 133.300914] __cond_resched+0x17/0x30 [ 133.300936] __mutex_lock+0xa3/0x14d0 [ 133.300961] __do_sys_perf_event_open+0x1eec/0x32c0 [ 133.300995] do_syscall_64+0x3b/0x90 [ 133.301024] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 133.301061] [ 133.301061] -> #2 (&rq->__lock){-.-.}-{2:2}: [ 133.301091] _raw_spin_lock_nested+0x30/0x40 [ 133.301123] raw_spin_rq_lock_nested+0x1e/0x30 [ 133.301149] task_fork_fair+0x63/0x4d0 [ 133.301184] sched_cgroup_fork+0x3d0/0x540 [ 133.301214] copy_process+0x4183/0x6e20 [ 133.301236] kernel_clone+0xe7/0x890 [ 133.301256] user_mode_thread+0xad/0xf0 [ 133.301278] rest_init+0x24/0x250 [ 133.301313] arch_call_rest_init+0xf/0x14 [ 133.301337] start_kernel+0x4c1/0x4e6 [ 133.301359] secondary_startup_64_no_verify+0xe0/0xeb [ 133.301388] [ 133.301388] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 133.301418] _raw_spin_lock_irqsave+0x39/0x60 [ 133.301450] try_to_wake_up+0xab/0x1920 [ 133.301478] up+0x75/0xb0 [ 133.301503] __up_console_sem+0x6e/0x80 [ 133.301535] console_unlock+0x46a/0x590 [ 133.301569] vt_ioctl+0x2822/0x2ca0 [ 133.301594] tty_ioctl+0x7c4/0x1700 [ 133.301618] __x64_sys_ioctl+0x19a/0x210 [ 133.301649] do_syscall_64+0x3b/0x90 [ 133.301678] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 133.301715] [ 133.301715] -> #0 ((console_sem).lock){....}-{2:2}: [ 133.301744] __lock_acquire+0x2a02/0x5e70 [ 133.301779] lock_acquire+0x1a2/0x530 [ 133.301813] _raw_spin_lock_irqsave+0x39/0x60 [ 133.301845] down_trylock+0xe/0x70 [ 133.301872] __down_trylock_console_sem+0x3b/0xd0 [ 133.301907] vprintk_emit+0x16b/0x560 [ 133.301941] vprintk+0x84/0xa0 [ 133.301975] _printk+0xba/0xf1 [ 133.302012] report_bug.cold+0x72/0xab [ 133.302039] handle_bug+0x3c/0x70 [ 133.302066] exc_invalid_op+0x14/0x50 [ 133.302096] asm_exc_invalid_op+0x16/0x20 [ 133.302131] group_sched_out.part.0+0x2c7/0x460 [ 133.302154] ctx_sched_out+0x8f1/0xc10 [ 133.302174] __perf_event_task_sched_out+0x6d0/0x18d0 [ 133.302201] __schedule+0xedd/0x2470 [ 133.302223] preempt_schedule_common+0x45/0xc0 [ 133.302247] __cond_resched+0x17/0x30 [ 133.302269] __mutex_lock+0xa3/0x14d0 [ 133.302294] __do_sys_perf_event_open+0x1eec/0x32c0 [ 133.302321] do_syscall_64+0x3b/0x90 [ 133.302349] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 133.302386] [ 133.302386] other info that might help us debug this: [ 133.302386] [ 133.302391] Chain exists of: [ 133.302391] (console_sem).lock --> &rq->__lock --> &ctx->lock [ 133.302391] [ 133.302424] Possible unsafe locking scenario: [ 133.302424] [ 133.302428] CPU0 CPU1 [ 133.302433] ---- ---- [ 133.302438] lock(&ctx->lock); [ 133.302451] lock(&rq->__lock); [ 133.302466] lock(&ctx->lock); [ 133.302481] lock((console_sem).lock); [ 133.302493] [ 133.302493] *** DEADLOCK *** [ 133.302493] [ 133.302497] 2 locks held by syz-executor.6/3946: [ 133.302512] #0: ffff88806ce37d18 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470 [ 133.302568] #1: ffff88800d621c20 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 133.302628] [ 133.302628] stack backtrace: [ 133.302633] CPU: 0 PID: 3946 Comm: syz-executor.6 Not tainted 6.0.0-rc6-next-20220919 #1 [ 133.302661] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 133.302677] Call Trace: [ 133.302684] [ 133.302693] dump_stack_lvl+0x8b/0xb3 [ 133.302724] check_noncircular+0x263/0x2e0 [ 133.302760] ? format_decode+0x26c/0xb50 [ 133.302791] ? print_circular_bug+0x450/0x450 [ 133.302828] ? enable_ptr_key_workfn+0x20/0x20 [ 133.302860] ? lock_release+0x547/0x750 [ 133.302896] ? format_decode+0x26c/0xb50 [ 133.302930] ? alloc_chain_hlocks+0x1ec/0x5a0 [ 133.302968] __lock_acquire+0x2a02/0x5e70 [ 133.303015] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 133.303064] lock_acquire+0x1a2/0x530 [ 133.303100] ? down_trylock+0xe/0x70 [ 133.303131] ? lock_release+0x750/0x750 [ 133.303175] ? vprintk+0x84/0xa0 [ 133.303214] _raw_spin_lock_irqsave+0x39/0x60 [ 133.303248] ? down_trylock+0xe/0x70 [ 133.303277] down_trylock+0xe/0x70 [ 133.303306] ? vprintk+0x84/0xa0 [ 133.303343] __down_trylock_console_sem+0x3b/0xd0 [ 133.303380] vprintk_emit+0x16b/0x560 [ 133.303421] vprintk+0x84/0xa0 [ 133.303458] _printk+0xba/0xf1 [ 133.303497] ? record_print_text.cold+0x16/0x16 [ 133.303542] ? perf_event_update_userpage+0x4e8/0x7c0 [ 133.303571] ? report_bug.cold+0x66/0xab [ 133.303602] ? group_sched_out.part.0+0x2c7/0x460 [ 133.303627] report_bug.cold+0x72/0xab [ 133.303660] handle_bug+0x3c/0x70 [ 133.303690] exc_invalid_op+0x14/0x50 [ 133.303722] asm_exc_invalid_op+0x16/0x20 [ 133.303759] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 133.303788] Code: 5e 41 5f e9 3b b7 ef ff e8 36 b7 ef ff 65 8b 1d 5b 15 ac 7e 31 ff 89 de e8 d6 b3 ef ff 85 db 0f 84 8a 00 00 00 e8 19 b7 ef ff <0f> 0b e9 a5 fe ff ff e8 0d b7 ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 133.303812] RSP: 0018:ffff888041d9f978 EFLAGS: 00010006 [ 133.303832] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 133.303849] RDX: ffff88801039d040 RSI: ffffffff81566077 RDI: 0000000000000005 [ 133.303866] RBP: ffff888008660000 R08: 0000000000000005 R09: 0000000000000001 [ 133.303924] R10: 0000000000000000 R11: 0000000000000001 R12: ffff88800d621c00 [ 133.303940] R13: ffff88806ce3ef00 R14: ffffffff85238040 R15: 0000000000000002 [ 133.303965] ? group_sched_out.part.0+0x2c7/0x460 [ 133.303994] ? group_sched_out.part.0+0x2c7/0x460 [ 133.304022] ctx_sched_out+0x8f1/0xc10 [ 133.304050] __perf_event_task_sched_out+0x6d0/0x18d0 [ 133.304083] ? lock_is_held_type+0xd7/0x130 [ 133.304123] ? __perf_cgroup_move+0x160/0x160 [ 133.304149] ? set_next_entity+0x304/0x550 [ 133.304187] ? update_curr+0x267/0x740 [ 133.304227] ? lock_is_held_type+0xd7/0x130 [ 133.304268] __schedule+0xedd/0x2470 [ 133.304297] ? io_schedule_timeout+0x150/0x150 [ 133.304323] ? find_held_lock+0x2c/0x110 [ 133.304358] ? lock_is_held_type+0xd7/0x130 [ 133.304396] ? __cond_resched+0x17/0x30 [ 133.304422] preempt_schedule_common+0x45/0xc0 [ 133.304451] __cond_resched+0x17/0x30 [ 133.304475] __mutex_lock+0xa3/0x14d0 [ 133.304504] ? lock_is_held_type+0xd7/0x130 [ 133.304541] ? __do_sys_perf_event_open+0x1eec/0x32c0 [ 133.304573] ? mutex_lock_io_nested+0x1310/0x1310 [ 133.304602] ? lock_release+0x3b2/0x750 [ 133.304639] ? __up_read+0x192/0x730 [ 133.304671] ? up_write+0x480/0x480 [ 133.304703] ? _raw_spin_unlock_irqrestore+0x28/0x60 [ 133.304743] __do_sys_perf_event_open+0x1eec/0x32c0 [ 133.304779] ? __up_read+0x192/0x730 [ 133.304809] ? perf_compat_ioctl+0x130/0x130 [ 133.304837] ? up_write+0x480/0x480 [ 133.304876] ? syscall_enter_from_user_mode+0x1d/0x50 [ 133.304916] ? syscall_enter_from_user_mode+0x1d/0x50 [ 133.304960] do_syscall_64+0x3b/0x90 [ 133.304992] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 133.305030] RIP: 0033:0x7feb3f4dfb19 [ 133.305049] 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 [ 133.305073] RSP: 002b:00007feb3ca55188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a [ 133.305097] RAX: ffffffffffffffda RBX: 00007feb3f5f2f60 RCX: 00007feb3f4dfb19 [ 133.305115] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 [ 133.305131] RBP: 00007feb3f539f6d R08: 0000000000000000 R09: 0000000000000000 [ 133.305147] R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 [ 133.305163] R13: 00007fffdf84d64f R14: 00007feb3ca55300 R15: 0000000000022000 [ 133.305192] [ 133.419429] WARNING: CPU: 0 PID: 3946 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460 [ 133.420698] Modules linked in: [ 133.421143] CPU: 0 PID: 3946 Comm: syz-executor.6 Not tainted 6.0.0-rc6-next-20220919 #1 [ 133.422235] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 133.423769] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 133.424525] Code: 5e 41 5f e9 3b b7 ef ff e8 36 b7 ef ff 65 8b 1d 5b 15 ac 7e 31 ff 89 de e8 d6 b3 ef ff 85 db 0f 84 8a 00 00 00 e8 19 b7 ef ff <0f> 0b e9 a5 fe ff ff e8 0d b7 ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 133.426998] RSP: 0018:ffff888041d9f978 EFLAGS: 00010006 [ 133.427723] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 133.428710] RDX: ffff88801039d040 RSI: ffffffff81566077 RDI: 0000000000000005 [ 133.429687] RBP: ffff888008660000 R08: 0000000000000005 R09: 0000000000000001 [ 133.430662] R10: 0000000000000000 R11: 0000000000000001 R12: ffff88800d621c00 [ 133.431637] R13: ffff88806ce3ef00 R14: ffffffff85238040 R15: 0000000000000002 [ 133.432618] FS: 00007feb3ca55700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 133.433721] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 133.434521] CR2: 00007fc3200320c8 CR3: 000000001756e000 CR4: 0000000000350ef0 [ 133.435488] Call Trace: [ 133.435843] [ 133.436176] ctx_sched_out+0x8f1/0xc10 [ 133.436726] __perf_event_task_sched_out+0x6d0/0x18d0 [ 133.437447] ? lock_is_held_type+0xd7/0x130 [ 133.438058] ? __perf_cgroup_move+0x160/0x160 [ 133.438684] ? set_next_entity+0x304/0x550 [ 133.439282] ? update_curr+0x267/0x740 [ 133.439840] ? lock_is_held_type+0xd7/0x130 [ 133.440472] __schedule+0xedd/0x2470 [ 133.441014] ? io_schedule_timeout+0x150/0x150 [ 133.441652] ? find_held_lock+0x2c/0x110 [ 133.442228] ? lock_is_held_type+0xd7/0x130 [ 133.442835] ? __cond_resched+0x17/0x30 [ 133.443392] preempt_schedule_common+0x45/0xc0 [ 133.444049] __cond_resched+0x17/0x30 [ 133.444582] __mutex_lock+0xa3/0x14d0 [ 133.445112] ? lock_is_held_type+0xd7/0x130 [ 133.445718] ? __do_sys_perf_event_open+0x1eec/0x32c0 [ 133.446435] ? mutex_lock_io_nested+0x1310/0x1310 [ 133.447109] ? lock_release+0x3b2/0x750 [ 133.447668] ? __up_read+0x192/0x730 [ 133.448204] ? up_write+0x480/0x480 [ 133.448724] ? _raw_spin_unlock_irqrestore+0x28/0x60 [ 133.449432] __do_sys_perf_event_open+0x1eec/0x32c0 [ 133.450125] ? __up_read+0x192/0x730 [ 133.450649] ? perf_compat_ioctl+0x130/0x130 [ 133.451261] ? up_write+0x480/0x480 [ 133.451788] ? syscall_enter_from_user_mode+0x1d/0x50 [ 133.452538] ? syscall_enter_from_user_mode+0x1d/0x50 [ 133.453289] do_syscall_64+0x3b/0x90 [ 133.453830] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 133.454564] RIP: 0033:0x7feb3f4dfb19 [ 133.455099] 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 [ 133.457700] RSP: 002b:00007feb3ca55188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a [ 133.458788] RAX: ffffffffffffffda RBX: 00007feb3f5f2f60 RCX: 00007feb3f4dfb19 [ 133.459804] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 [ 133.460824] RBP: 00007feb3f539f6d R08: 0000000000000000 R09: 0000000000000000 [ 133.461851] R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 [ 133.462858] R13: 00007fffdf84d64f R14: 00007feb3ca55300 R15: 0000000000022000 [ 133.463887] [ 133.464226] irq event stamp: 820 [ 133.464691] hardirqs last enabled at (819): [] _raw_spin_unlock_irqrestore+0x28/0x60 [ 133.465984] hardirqs last disabled at (820): [] __schedule+0x1225/0x2470 [ 133.467119] softirqs last enabled at (692): [] __irq_exit_rcu+0x11b/0x180 [ 133.468316] softirqs last disabled at (309): [] __irq_exit_rcu+0x11b/0x180 [ 133.469483] ---[ end trace 0000000000000000 ]--- [ 135.934366] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 135.935212] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 135.935808] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 135.937241] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 135.938121] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 135.938833] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 135.941805] Bluetooth: hci2: HCI_REQ-0x0c1a [ 137.976012] Bluetooth: hci2: command 0x0409 tx timeout [ 140.024020] Bluetooth: hci2: command 0x041b tx timeout [ 142.072144] Bluetooth: hci2: command 0x040f tx timeout VM DIAGNOSIS: 14:49:32 Registers: info registers vcpu 0 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff822b2dec RDI=ffffffff87641ba0 RBP=ffffffff87641b60 RSP=ffff888041d9f370 R8 =0000000000000004 R9 =0000000000000010 R10=0000000000000010 R11=0000000000000001 R12=0000000000002710 R13=0000000000000020 R14=fffffbfff0ec83c3 R15=dffffc0000000000 RIP=ffffffff822b2e41 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 00007feb3ca55700 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=00007fc3200320c8 CR3=000000001756e000 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 00007ff1d950fc00 7665642f7379732f YMM02=0000000000000000 0000000000000000 ffff0000000000ff 0000000000000000 YMM03=0000000000000000 0000000000000000 0000000000000000 000000ff000000ff YMM04=0000000000000000 0000000000000000 2f2f2f2f2f2f2f2f 2f2f2f2f2f2f2f2f YMM05=0000000000000000 0000000000000000 3d5145534b534944 006b7369643d4550 YMM06=0000000000000000 0000000000000000 3d454d414e564544 00303d444955555f YMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM08=0000000000000000 0000000000000000 6e753c0073257325 75253a5d73255b00 YMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM10=0000000000000000 0000000000000000 0000000000200000 0000000000200000 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=0000000080000001 RBX=0000000000000001 RCX=1ffffffff0e0b0e0 RDX=0000000000000000 RSI=ffffffff816c5618 RDI=0000000000000001 RBP=ffff888041eef550 RSP=ffff888041eef460 R8 =ffffffff85ecb3f0 R9 =ffffffff85ecb3f4 R10=ffffed10083ddeac R11=ffff888041eef538 R12=ffff888041eef5c0 R13=0000000000000000 R14=ffff888041eef4f8 R15=ffff888015fe1800 RIP=ffffffff8120521a RFL=00000246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 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=00007fb1937e7610 CR3=00000000183d8000 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 00362e6f732e6362 696c2f756e672d78 YMM02=0000000000000000 0000000000000000 ffff0000000000ff ffffffffffffffff YMM03=0000000000000000 0000000000000000 ffffffffffffffff ffffffffffffffff YMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000