Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:29955' (ECDSA) to the list of known hosts. 2022/09/12 17:17:14 fuzzer started 2022/09/12 17:17:14 dialing manager at localhost:38027 syzkaller login: [ 36.890532] cgroup: Unknown subsys name 'net' [ 37.001660] cgroup: Unknown subsys name 'rlimit' 2022/09/12 17:17:29 syscalls: 2215 2022/09/12 17:17:29 code coverage: enabled 2022/09/12 17:17:29 comparison tracing: enabled 2022/09/12 17:17:29 extra coverage: enabled 2022/09/12 17:17:29 setuid sandbox: enabled 2022/09/12 17:17:29 namespace sandbox: enabled 2022/09/12 17:17:29 Android sandbox: enabled 2022/09/12 17:17:29 fault injection: enabled 2022/09/12 17:17:29 leak checking: enabled 2022/09/12 17:17:29 net packet injection: enabled 2022/09/12 17:17:29 net device setup: enabled 2022/09/12 17:17:29 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/09/12 17:17:29 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/09/12 17:17:29 USB emulation: enabled 2022/09/12 17:17:29 hci packet injection: enabled 2022/09/12 17:17:29 wifi device emulation: failed to parse kernel version (6.0.0-rc5-next-20220912) 2022/09/12 17:17:29 802.15.4 emulation: enabled 2022/09/12 17:17:29 fetching corpus: 0, signal 0/2000 (executing program) 2022/09/12 17:17:30 fetching corpus: 50, signal 31628/35063 (executing program) 2022/09/12 17:17:30 fetching corpus: 100, signal 39630/44622 (executing program) 2022/09/12 17:17:30 fetching corpus: 150, signal 49880/56231 (executing program) 2022/09/12 17:17:30 fetching corpus: 200, signal 57155/64804 (executing program) 2022/09/12 17:17:30 fetching corpus: 250, signal 63162/72065 (executing program) 2022/09/12 17:17:30 fetching corpus: 300, signal 72414/82321 (executing program) 2022/09/12 17:17:30 fetching corpus: 350, signal 79045/89994 (executing program) 2022/09/12 17:17:30 fetching corpus: 400, signal 83713/95703 (executing program) 2022/09/12 17:17:30 fetching corpus: 450, signal 88539/101521 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@nested={0x200, 0x0, 0x0, 0x1, [@generic="b73574a8ad085a548503e95a76f6cda4dd1e57aaecaf0ed0199f763da0c90b96cc3f121835297edde2036a55e005249c647fdf5f440de3a32f61aef5db976fc6a58d3b317e75e220c7b468ede80fc949e2abca924d050edc2b7c0f21731992a295cbd9e2cb0ef6b81e10ccde5ece0edbd712b04d9dcedf94a2cb8db959aeada81f71a97a4f1f412c157b", @generic="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", @generic="3b11398df35be0e756e5d2c793348cac713ab91b1426c3b23101ca3ff18d04ae463f25cf93198de1d4a1abac57024509f837157ef962283812d55796c5bb4d58ddbb18925fff7c2d7161051864a789c25b4b7481136dd877319c9ce5a96c218160c52ed2cf6249116e11e697f82e22ae71e47658d594bf"]}]}, 0x218}}, 0x0) 17:17:53 executing program 2: r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000100)=[{0x6, 0x0, 0x0, 0x7fff0000}]}) fstat(r0, &(0x7f00000001c0)) 17:17:53 executing program 1: syz_mount_image$ext4(0x0, &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) clone3(&(0x7f0000000640)={0x123363500, &(0x7f00000000c0), 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x58) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x0, &(0x7f0000000240)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) 17:17:53 executing program 6: msgctl$MSG_INFO(0x0, 0xc, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 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={0x0, 0x2000}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x1010c2, 0x0) r1 = msgget$private(0x0, 0x0) msgsnd(r1, &(0x7f00000000c0)={0x1, "a670184c1f4fc6890daa510de18df0795175f412c2e391f3c943637ee6a3d1498e270f5071fef4ac4d72e544d18cf0ef4a874e96ce7337390bf5db6ecafb58d268a7d42c658977657ee582cf77e69007587a4e7036bacac143d146328901053edc361b"}, 0x6b, 0x0) msgrcv(r1, &(0x7f0000000000)={0x0, ""/136}, 0x90, 0x0, 0x0) msgsnd(r1, &(0x7f0000000500)={0x2, "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"}, 0x146, 0x0) msgctl$IPC_INFO(r1, 0x3, &(0x7f0000000180)=""/97) r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/timer_list\x00', 0x0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000100), &(0x7f0000000140)=0xc) setresuid(0x0, 0x0, 0x0) stat(&(0x7f0000000240)='./file1\x00', &(0x7f0000000280)) sendfile(r0, r2, 0x0, 0x10000027f) r3 = syz_open_procfs(0x0, &(0x7f0000000000)='net/udplite\x00') pread64(r3, &(0x7f0000000180)=""/8, 0x8, 0x8) futimesat(r3, &(0x7f0000000200)='./file0\x00', &(0x7f0000000b80)={{0x77359400}, {0x77359400}}) [ 75.366333] audit: type=1400 audit(1663003073.589:6): avc: denied { execmem } for pid=283 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 17:17:53 executing program 5: perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0x77, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$netlink(r0, &(0x7f00000014c0)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f00000002c0)={0x14, 0x2a, 0x103, 0x0, 0x0, "", [@generic="ab"]}, 0x14}], 0x1}, 0x0) 17:17:53 executing program 3: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x4042, 0x0) unlink(&(0x7f0000000380)='./file1\x00') ioctl$EXT4_IOC_SWAP_BOOT(r0, 0x6611) 17:17:53 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000000200)='cmdline\x00') pread64(r0, 0x0, 0x0, 0x13e) 17:17:53 executing program 7: socket$nl_generic(0x10, 0x3, 0x10) syz_io_uring_setup(0x72be, &(0x7f0000001180)={0x0, 0x0, 0x0, 0x0, 0x3b1}, &(0x7f0000ffe000/0x1000)=nil, &(0x7f0000ffd000/0x2000)=nil, 0x0, &(0x7f0000001240)) io_uring_setup(0x0, 0x0) syz_genetlink_get_family_id$SEG6(&(0x7f00000016c0), 0xffffffffffffffff) [ 76.588118] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 76.591190] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 76.594105] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 76.595432] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 76.598462] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 76.600675] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 76.602976] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 76.604239] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 76.605466] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 76.608166] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 76.610299] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 76.611788] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 76.616611] Bluetooth: hci0: HCI_REQ-0x0c1a [ 76.617495] Bluetooth: hci1: HCI_REQ-0x0c1a [ 76.691611] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 76.694545] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 76.696054] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 76.702660] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 76.705223] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 76.709290] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 76.717055] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 76.717810] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 76.722956] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 76.749691] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 76.751563] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 76.752760] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 76.753888] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 76.755672] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 76.758553] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 76.759993] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 76.762318] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 76.763791] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 76.767185] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 76.768529] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 76.770203] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 76.771468] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 76.772596] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 76.773781] Bluetooth: hci6: HCI_REQ-0x0c1a [ 76.783780] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 76.787501] Bluetooth: hci4: HCI_REQ-0x0c1a [ 76.792058] Bluetooth: hci3: HCI_REQ-0x0c1a [ 76.792872] Bluetooth: hci2: HCI_REQ-0x0c1a [ 76.876484] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 76.880192] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 76.882133] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 76.888597] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 76.892149] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 76.894144] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 76.915656] Bluetooth: hci7: HCI_REQ-0x0c1a [ 78.651766] Bluetooth: hci1: command 0x0409 tx timeout [ 78.651770] Bluetooth: hci0: command 0x0409 tx timeout [ 78.778995] Bluetooth: hci5: Opcode 0x c03 failed: -110 [ 78.842964] Bluetooth: hci2: command 0x0409 tx timeout [ 78.843485] Bluetooth: hci3: command 0x0409 tx timeout [ 78.843952] Bluetooth: hci4: command 0x0409 tx timeout [ 78.844385] Bluetooth: hci6: command 0x0409 tx timeout [ 78.971107] Bluetooth: hci7: command 0x0409 tx timeout [ 80.699100] Bluetooth: hci0: command 0x041b tx timeout [ 80.700274] Bluetooth: hci1: command 0x041b tx timeout [ 80.891105] Bluetooth: hci6: command 0x041b tx timeout [ 80.892716] Bluetooth: hci4: command 0x041b tx timeout [ 80.893794] Bluetooth: hci3: command 0x041b tx timeout [ 80.894691] Bluetooth: hci2: command 0x041b tx timeout [ 81.019031] Bluetooth: hci7: command 0x041b tx timeout [ 81.919848] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 81.926180] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 81.929138] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 82.053977] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 82.055649] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 82.056918] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 82.090358] Bluetooth: hci5: HCI_REQ-0x0c1a [ 82.747298] Bluetooth: hci1: command 0x040f tx timeout [ 82.747791] Bluetooth: hci0: command 0x040f tx timeout [ 82.938970] Bluetooth: hci2: command 0x040f tx timeout [ 82.939467] Bluetooth: hci3: command 0x040f tx timeout [ 82.939862] Bluetooth: hci4: command 0x040f tx timeout [ 82.940295] Bluetooth: hci6: command 0x040f tx timeout [ 83.067001] Bluetooth: hci7: command 0x040f tx timeout [ 84.154951] Bluetooth: hci5: command 0x0409 tx timeout [ 84.794957] Bluetooth: hci0: command 0x0419 tx timeout [ 84.795756] Bluetooth: hci1: command 0x0419 tx timeout [ 84.986992] Bluetooth: hci6: command 0x0419 tx timeout [ 84.987456] Bluetooth: hci4: command 0x0419 tx timeout [ 84.987847] Bluetooth: hci3: command 0x0419 tx timeout [ 84.988925] Bluetooth: hci2: command 0x0419 tx timeout [ 85.115082] Bluetooth: hci7: command 0x0419 tx timeout [ 86.203021] Bluetooth: hci5: command 0x041b tx timeout [ 88.250944] Bluetooth: hci5: command 0x040f tx timeout [ 90.299004] Bluetooth: hci5: command 0x0419 tx timeout 17:18:51 executing program 3: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x4042, 0x0) unlink(&(0x7f0000000380)='./file1\x00') ioctl$EXT4_IOC_SWAP_BOOT(r0, 0x6611) 17:18:52 executing program 2: r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000100)=[{0x6, 0x0, 0x0, 0x7fff0000}]}) fstat(r0, &(0x7f00000001c0)) 17:18:52 executing program 3: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x4042, 0x0) unlink(&(0x7f0000000380)='./file1\x00') ioctl$EXT4_IOC_SWAP_BOOT(r0, 0x6611) 17:18:52 executing program 3: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x4042, 0x0) unlink(&(0x7f0000000380)='./file1\x00') ioctl$EXT4_IOC_SWAP_BOOT(r0, 0x6611) 17:18:52 executing program 2: r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000100)=[{0x6, 0x0, 0x0, 0x7fff0000}]}) fstat(r0, &(0x7f00000001c0)) [ 134.057850] audit: type=1400 audit(1663003132.280:7): avc: denied { open } for pid=3778 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 [ 134.059497] audit: type=1400 audit(1663003132.280:8): avc: denied { kernel } for pid=3778 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 [ 134.069923] ------------[ cut here ]------------ [ 134.069948] [ 134.069951] ====================================================== [ 134.069954] WARNING: possible circular locking dependency detected [ 134.069959] 6.0.0-rc5-next-20220912 #1 Not tainted [ 134.069965] ------------------------------------------------------ [ 134.069969] syz-executor.6/3779 is trying to acquire lock: [ 134.069976] ffffffff853fa878 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70 [ 134.070016] [ 134.070016] but task is already holding lock: [ 134.070019] ffff88801dbed420 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 134.070047] [ 134.070047] which lock already depends on the new lock. [ 134.070047] [ 134.070050] [ 134.070050] the existing dependency chain (in reverse order) is: [ 134.070053] [ 134.070053] -> #3 (&ctx->lock){....}-{2:2}: [ 134.070067] _raw_spin_lock+0x2a/0x40 [ 134.070084] __perf_event_task_sched_out+0x53b/0x18d0 [ 134.070096] __schedule+0xedd/0x2470 [ 134.070106] schedule+0xda/0x1b0 [ 134.070115] futex_wait_queue+0xf5/0x1e0 [ 134.070127] futex_wait+0x28e/0x690 [ 134.070137] do_futex+0x2ff/0x380 [ 134.070146] __x64_sys_futex+0x1c6/0x4d0 [ 134.070156] do_syscall_64+0x3b/0x90 [ 134.070169] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 134.070187] [ 134.070187] -> #2 (&rq->__lock){-.-.}-{2:2}: [ 134.070201] _raw_spin_lock_nested+0x30/0x40 [ 134.070215] raw_spin_rq_lock_nested+0x1e/0x30 [ 134.070229] task_fork_fair+0x63/0x4d0 [ 134.070246] sched_cgroup_fork+0x3d0/0x540 [ 134.070261] copy_process+0x3f9e/0x6df0 [ 134.070271] kernel_clone+0xe7/0x890 [ 134.070281] user_mode_thread+0xad/0xf0 [ 134.070291] rest_init+0x24/0x250 [ 134.070307] arch_call_rest_init+0xf/0x14 [ 134.070327] start_kernel+0x4c1/0x4e6 [ 134.070344] secondary_startup_64_no_verify+0xe0/0xeb [ 134.070358] [ 134.070358] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 134.070372] _raw_spin_lock_irqsave+0x39/0x60 [ 134.070387] try_to_wake_up+0xab/0x1920 [ 134.070400] up+0x75/0xb0 [ 134.070412] __up_console_sem+0x6e/0x80 [ 134.070428] console_unlock+0x46a/0x590 [ 134.070444] do_con_write+0xc05/0x1d50 [ 134.070456] con_write+0x21/0x40 [ 134.070465] n_tty_write+0x4d4/0xfe0 [ 134.070478] file_tty_write.constprop.0+0x49c/0x8f0 [ 134.070490] vfs_write+0x9c3/0xd90 [ 134.070509] ksys_write+0x127/0x250 [ 134.070526] do_syscall_64+0x3b/0x90 [ 134.070538] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 134.070555] [ 134.070555] -> #0 ((console_sem).lock){....}-{2:2}: [ 134.070569] __lock_acquire+0x2a02/0x5e70 [ 134.070586] lock_acquire+0x1a2/0x530 [ 134.070602] _raw_spin_lock_irqsave+0x39/0x60 [ 134.070616] down_trylock+0xe/0x70 [ 134.070629] __down_trylock_console_sem+0x3b/0xd0 [ 134.070645] vprintk_emit+0x16b/0x560 [ 134.070662] vprintk+0x84/0xa0 [ 134.070678] _printk+0xba/0xf1 [ 134.070696] report_bug.cold+0x72/0xab [ 134.070708] handle_bug+0x3c/0x70 [ 134.070720] exc_invalid_op+0x14/0x50 [ 134.070733] asm_exc_invalid_op+0x16/0x20 [ 134.070750] group_sched_out.part.0+0x2c7/0x460 [ 134.070760] ctx_sched_out+0x8f1/0xc10 [ 134.070770] __perf_event_task_sched_out+0x6d0/0x18d0 [ 134.070782] __schedule+0xedd/0x2470 [ 134.070791] schedule+0xda/0x1b0 [ 134.070800] futex_wait_queue+0xf5/0x1e0 [ 134.070810] futex_wait+0x28e/0x690 [ 134.070820] do_futex+0x2ff/0x380 [ 134.070829] __x64_sys_futex+0x1c6/0x4d0 [ 134.070838] do_syscall_64+0x3b/0x90 [ 134.070851] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 134.070868] [ 134.070868] other info that might help us debug this: [ 134.070868] [ 134.070871] Chain exists of: [ 134.070871] (console_sem).lock --> &rq->__lock --> &ctx->lock [ 134.070871] [ 134.070885] Possible unsafe locking scenario: [ 134.070885] [ 134.070888] CPU0 CPU1 [ 134.070890] ---- ---- [ 134.070892] lock(&ctx->lock); [ 134.070898] lock(&rq->__lock); [ 134.070905] lock(&ctx->lock); [ 134.070911] lock((console_sem).lock); [ 134.070916] [ 134.070916] *** DEADLOCK *** [ 134.070916] [ 134.070918] 2 locks held by syz-executor.6/3779: [ 134.070925] #0: ffff88806cf37cd8 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470 [ 134.070951] #1: ffff88801dbed420 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 134.070978] [ 134.070978] stack backtrace: [ 134.070981] CPU: 1 PID: 3779 Comm: syz-executor.6 Not tainted 6.0.0-rc5-next-20220912 #1 [ 134.070994] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 134.071002] Call Trace: [ 134.071006] [ 134.071009] dump_stack_lvl+0x8b/0xb3 [ 134.071024] check_noncircular+0x263/0x2e0 [ 134.071041] ? format_decode+0x26c/0xb50 [ 134.071056] ? print_circular_bug+0x450/0x450 [ 134.071074] ? enable_ptr_key_workfn+0x20/0x20 [ 134.071087] ? __lockdep_reset_lock+0x180/0x180 [ 134.071104] ? format_decode+0x26c/0xb50 [ 134.071119] ? alloc_chain_hlocks+0x1ec/0x5a0 [ 134.071137] __lock_acquire+0x2a02/0x5e70 [ 134.071159] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 134.071182] lock_acquire+0x1a2/0x530 [ 134.071199] ? down_trylock+0xe/0x70 [ 134.071214] ? rcu_read_unlock+0x40/0x40 [ 134.071231] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 134.071253] ? vprintk+0x84/0xa0 [ 134.071271] _raw_spin_lock_irqsave+0x39/0x60 [ 134.071287] ? down_trylock+0xe/0x70 [ 134.071300] down_trylock+0xe/0x70 [ 134.071314] ? vprintk+0x84/0xa0 [ 134.071331] __down_trylock_console_sem+0x3b/0xd0 [ 134.071349] vprintk_emit+0x16b/0x560 [ 134.071366] ? lock_downgrade+0x6d0/0x6d0 [ 134.071385] vprintk+0x84/0xa0 [ 134.071403] _printk+0xba/0xf1 [ 134.071420] ? record_print_text.cold+0x16/0x16 [ 134.071440] ? hrtimer_try_to_cancel+0x163/0x2c0 [ 134.071460] ? lock_downgrade+0x6d0/0x6d0 [ 134.071478] ? report_bug.cold+0x66/0xab [ 134.071492] ? group_sched_out.part.0+0x2c7/0x460 [ 134.071503] report_bug.cold+0x72/0xab [ 134.071518] handle_bug+0x3c/0x70 [ 134.071531] exc_invalid_op+0x14/0x50 [ 134.071545] asm_exc_invalid_op+0x16/0x20 [ 134.071562] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 134.071577] Code: 5e 41 5f e9 3b b7 ef ff e8 36 b7 ef ff 65 8b 1d ab 15 ac 7e 31 ff 89 de e8 d6 b3 ef ff 85 db 0f 84 8a 00 00 00 e8 19 b7 ef ff <0f> 0b e9 a5 fe ff ff e8 0d b7 ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 134.071588] RSP: 0018:ffff8880423ef8f8 EFLAGS: 00010006 [ 134.071598] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 134.071605] RDX: ffff888042399ac0 RSI: ffffffff81566027 RDI: 0000000000000005 [ 134.071613] RBP: ffff8880423b8000 R08: 0000000000000005 R09: 0000000000000001 [ 134.071621] R10: 0000000000000000 R11: 0000000000000001 R12: ffff88801dbed400 [ 134.071628] R13: ffff88806cf3d100 R14: ffffffff8547bfc0 R15: 0000000000000002 [ 134.071639] ? group_sched_out.part.0+0x2c7/0x460 [ 134.071652] ? group_sched_out.part.0+0x2c7/0x460 [ 134.071665] ctx_sched_out+0x8f1/0xc10 [ 134.071677] __perf_event_task_sched_out+0x6d0/0x18d0 [ 134.071693] ? lock_is_held_type+0xd7/0x130 [ 134.071711] ? __perf_cgroup_move+0x160/0x160 [ 134.071723] ? set_next_entity+0x304/0x550 [ 134.071743] ? lock_is_held_type+0xd7/0x130 [ 134.071761] __schedule+0xedd/0x2470 [ 134.071774] ? io_schedule_timeout+0x150/0x150 [ 134.071785] ? futex_wait_setup+0x166/0x230 [ 134.071799] schedule+0xda/0x1b0 [ 134.071810] futex_wait_queue+0xf5/0x1e0 [ 134.071822] futex_wait+0x28e/0x690 [ 134.071834] ? futex_wait_setup+0x230/0x230 [ 134.071847] ? wake_up_q+0x8b/0xf0 [ 134.071861] ? do_raw_spin_unlock+0x4f/0x220 [ 134.071880] ? futex_wake+0x158/0x490 [ 134.071895] ? lock_downgrade+0x6d0/0x6d0 [ 134.071912] ? lock_is_held_type+0xd7/0x130 [ 134.071931] do_futex+0x2ff/0x380 [ 134.071942] ? __ia32_compat_sys_get_robust_list+0x3b0/0x3b0 [ 134.071954] ? ktime_get+0x153/0x1f0 [ 134.071970] __x64_sys_futex+0x1c6/0x4d0 [ 134.071982] ? hrtimer_interrupt+0x5b0/0x770 [ 134.071995] ? __x64_sys_futex_time32+0x480/0x480 [ 134.072008] ? syscall_enter_from_user_mode+0x1d/0x50 [ 134.072026] ? syscall_enter_from_user_mode+0x1d/0x50 [ 134.072046] do_syscall_64+0x3b/0x90 [ 134.072060] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 134.072077] RIP: 0033:0x7ff4a2fd5b19 [ 134.072086] 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 [ 134.072097] RSP: 002b:00007ff4a054b218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 134.072108] RAX: ffffffffffffffda RBX: 00007ff4a30e8f68 RCX: 00007ff4a2fd5b19 [ 134.072115] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007ff4a30e8f68 [ 134.072123] RBP: 00007ff4a30e8f60 R08: 0000000000000000 R09: 0000000000000000 [ 134.072130] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff4a30e8f6c [ 134.072137] R13: 00007ffd44b7273f R14: 00007ff4a054b300 R15: 0000000000022000 [ 134.072150] [ 134.134986] WARNING: CPU: 1 PID: 3779 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460 [ 134.135680] Modules linked in: [ 134.135929] CPU: 1 PID: 3779 Comm: syz-executor.6 Not tainted 6.0.0-rc5-next-20220912 #1 [ 134.136534] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 134.137371] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 134.137788] Code: 5e 41 5f e9 3b b7 ef ff e8 36 b7 ef ff 65 8b 1d ab 15 ac 7e 31 ff 89 de e8 d6 b3 ef ff 85 db 0f 84 8a 00 00 00 e8 19 b7 ef ff <0f> 0b e9 a5 fe ff ff e8 0d b7 ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 134.139159] RSP: 0018:ffff8880423ef8f8 EFLAGS: 00010006 [ 134.139573] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 134.140107] RDX: ffff888042399ac0 RSI: ffffffff81566027 RDI: 0000000000000005 [ 134.140641] RBP: ffff8880423b8000 R08: 0000000000000005 R09: 0000000000000001 [ 134.141174] R10: 0000000000000000 R11: 0000000000000001 R12: ffff88801dbed400 [ 134.141711] R13: ffff88806cf3d100 R14: ffffffff8547bfc0 R15: 0000000000000002 [ 134.142240] FS: 00007ff4a054b700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 134.142839] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 134.143271] CR2: 00007fee9dba16f4 CR3: 000000001bfea000 CR4: 0000000000350ee0 [ 134.143818] Call Trace: [ 134.144018] [ 134.144201] ctx_sched_out+0x8f1/0xc10 [ 134.144495] __perf_event_task_sched_out+0x6d0/0x18d0 [ 134.144891] ? lock_is_held_type+0xd7/0x130 [ 134.145225] ? __perf_cgroup_move+0x160/0x160 [ 134.145568] ? set_next_entity+0x304/0x550 [ 134.145895] ? lock_is_held_type+0xd7/0x130 [ 134.146231] __schedule+0xedd/0x2470 [ 134.146519] ? io_schedule_timeout+0x150/0x150 [ 134.146869] ? futex_wait_setup+0x166/0x230 [ 134.147202] schedule+0xda/0x1b0 [ 134.147481] futex_wait_queue+0xf5/0x1e0 [ 134.147794] futex_wait+0x28e/0x690 [ 134.148077] ? futex_wait_setup+0x230/0x230 [ 134.148406] ? wake_up_q+0x8b/0xf0 [ 134.148690] ? do_raw_spin_unlock+0x4f/0x220 [ 134.149044] ? futex_wake+0x158/0x490 [ 134.149339] ? lock_downgrade+0x6d0/0x6d0 [ 134.149661] ? lock_is_held_type+0xd7/0x130 [ 134.149996] do_futex+0x2ff/0x380 [ 134.150267] ? __ia32_compat_sys_get_robust_list+0x3b0/0x3b0 [ 134.150706] ? ktime_get+0x153/0x1f0 [ 134.150996] __x64_sys_futex+0x1c6/0x4d0 [ 134.151307] ? hrtimer_interrupt+0x5b0/0x770 [ 134.151649] ? __x64_sys_futex_time32+0x480/0x480 [ 134.152008] ? syscall_enter_from_user_mode+0x1d/0x50 [ 134.152416] ? syscall_enter_from_user_mode+0x1d/0x50 [ 134.152816] do_syscall_64+0x3b/0x90 [ 134.153106] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 134.153500] RIP: 0033:0x7ff4a2fd5b19 [ 134.153783] 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 [ 134.155136] RSP: 002b:00007ff4a054b218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 134.155717] RAX: ffffffffffffffda RBX: 00007ff4a30e8f68 RCX: 00007ff4a2fd5b19 [ 134.156255] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007ff4a30e8f68 [ 134.156795] RBP: 00007ff4a30e8f60 R08: 0000000000000000 R09: 0000000000000000 [ 134.157338] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff4a30e8f6c [ 134.157880] R13: 00007ffd44b7273f R14: 00007ff4a054b300 R15: 0000000000022000 [ 134.158432] [ 134.158613] irq event stamp: 722 [ 134.158869] hardirqs last enabled at (721): [] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 134.159616] hardirqs last disabled at (722): [] __schedule+0x1225/0x2470 [ 134.160248] softirqs last enabled at (310): [] __irq_exit_rcu+0x11b/0x180 [ 134.160888] softirqs last disabled at (77): [] __irq_exit_rcu+0x11b/0x180 [ 134.161512] ---[ end trace 0000000000000000 ]--- 17:18:52 executing program 2: r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000100)=[{0x6, 0x0, 0x0, 0x7fff0000}]}) fstat(r0, &(0x7f00000001c0)) 17:18:52 executing program 3: r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) ppoll(&(0x7f0000000080)=[{r0}], 0x1, &(0x7f0000000100)={0x0, 0x3938700}, 0x0, 0x0) 17:18:52 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x42, 0x0) pwritev(r0, &(0x7f0000000140)=[{&(0x7f0000000000)='%', 0x1}], 0x1, 0x10000, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0, 0x0) r2 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f00000002c0)={0xa, 0x4e20, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000000)={0xa, 0x4e20, 0x0, @loopback}, 0x53) sendmmsg(r2, &(0x7f0000004240)=[{{0x0, 0x0, &(0x7f00000004c0)=[{&(0x7f0000000300)="e9", 0x1}], 0x1}}], 0x1, 0x0) sendto$inet6(r2, &(0x7f0000000080)="b3", 0x1, 0x0, 0x0, 0x0) sendfile(r2, r1, 0x0, 0x7) [ 139.835009] Bluetooth: hci1: Opcode 0x c03 failed: -110 [ 139.898921] Bluetooth: hci4: Opcode 0x c03 failed: -110 [ 139.898922] Bluetooth: hci7: Opcode 0x c03 failed: -110 [ 139.900634] Bluetooth: hci2: Opcode 0x c03 failed: -110 VM DIAGNOSIS: 17:18:52 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888017fe7488 RCX=ffffffff818d6c64 RDX=ffff88801bb59ac0 RSI=0000000000000004 RDI=ffff888017fe74e8 RBP=ffff888017fe74e8 RSP=ffff88800ea1fbf0 R8 =0000000000000005 R9 =0000000000000000 R10=0000000000000003 R11=0000000000000001 R12=0000000000000003 R13=ffff88801ddeb460 R14=0000000000000000 R15=ffff88800ea1fc90 RIP=ffffffff81788644 RFL=00000293 [--S-A-C] 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 00005555573bf400 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=00005555573c8c58 CR3=0000000037644000 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 00000000000000ff 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 info registers vcpu 1 RAX=dffffc0000000005 RBX=00000000000003f9 RCX=0000000000000000 RDX=00000000000003f9 RSI=ffffffff822b1dbc RDI=ffffffff8763fae0 RBP=ffffffff8763faa0 RSP=ffff8880423ef350 R8 =0000000000000001 R9 =ffff8880423ef2db R10=ffffed100847de5b R11=0000000000000001 R12=0000000000000067 R13=ffffffff8763faa0 R14=ffffffff8763faf0 R15=ffffffff8763fd48 RIP=ffffffff822b1e11 RFL=00000006 [-----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 00007ff4a054b700 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=00007fee9dba16f4 CR3=000000001bfea000 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 00007ff4a30bc7c0 00007ff4a30bc7c8 YMM02=0000000000000000 0000000000000000 00007ff4a30bc7e0 00007ff4a30bc7c0 YMM03=0000000000000000 0000000000000000 00007ff4a30bc7c8 00007ff4a30bc7c0 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