Warning: Permanently added '[localhost]:11562' (ECDSA) to the list of known hosts. 2022/09/13 14:52:10 fuzzer started 2022/09/13 14:52:10 dialing manager at localhost:36597 syzkaller login: [ 36.510579] cgroup: Unknown subsys name 'net' [ 36.625022] cgroup: Unknown subsys name 'rlimit' 2022/09/13 14:52:25 syscalls: 2215 2022/09/13 14:52:25 code coverage: enabled 2022/09/13 14:52:25 comparison tracing: enabled 2022/09/13 14:52:25 extra coverage: enabled 2022/09/13 14:52:25 setuid sandbox: enabled 2022/09/13 14:52:25 namespace sandbox: enabled 2022/09/13 14:52:25 Android sandbox: enabled 2022/09/13 14:52:25 fault injection: enabled 2022/09/13 14:52:25 leak checking: enabled 2022/09/13 14:52:25 net packet injection: enabled 2022/09/13 14:52:25 net device setup: enabled 2022/09/13 14:52:25 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/09/13 14:52:25 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/09/13 14:52:25 USB emulation: enabled 2022/09/13 14:52:25 hci packet injection: enabled 2022/09/13 14:52:25 wifi device emulation: failed to parse kernel version (6.0.0-rc5-next-20220913) 2022/09/13 14:52:25 802.15.4 emulation: enabled 2022/09/13 14:52:25 fetching corpus: 0, signal 0/2000 (executing program) 2022/09/13 14:52:25 fetching corpus: 27, signal 22833/26433 (executing program) 2022/09/13 14:52:25 fetching corpus: 74, signal 32891/38034 (executing program) 2022/09/13 14:52:25 fetching corpus: 124, signal 46706/53091 (executing program) 2022/09/13 14:52:25 fetching corpus: 174, signal 57327/64817 (executing program) 2022/09/13 14:52:26 fetching corpus: 224, signal 64803/73329 (executing program) 2022/09/13 14:52:26 fetching corpus: 274, signal 72409/81855 (executing program) 2022/09/13 14:52:26 fetching corpus: 324, signal 79504/89805 (executing program) 2022/09/13 14:52:26 fetching corpus: 374, signal 84541/95654 (executing program) 2022/09/13 14:52:26 fetching corpus: 424, signal 89230/101126 (executing program) 2022/09/13 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fetching corpus: 4768, signal 214033/222219 (executing program) 2022/09/13 14:52:39 fetching corpus: 4768, signal 214033/222315 (executing program) 2022/09/13 14:52:39 fetching corpus: 4768, signal 214033/222386 (executing program) 2022/09/13 14:52:39 fetching corpus: 4768, signal 214033/222398 (executing program) 2022/09/13 14:52:39 fetching corpus: 4768, signal 214033/222398 (executing program) 2022/09/13 14:52:42 starting 8 fuzzer processes 14:52:42 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000000040)='ns\x00') r1 = fsopen(&(0x7f0000000000)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) fsmount(r1, 0x0, 0x0) close_range(r0, 0xffffffffffffffff, 0x0) 14:52:42 executing program 1: openat$sysfs(0xffffffffffffff9c, &(0x7f0000000080)='/sys/block/sr0', 0x20000, 0x0) 14:52:42 executing program 2: r0 = syz_io_uring_setup(0x6282, &(0x7f0000000000)={0x0, 0xf292, 0x10, 0x0, 0x1d}, &(0x7f0000ffe000/0x1000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000000080), &(0x7f00000000c0)) io_uring_register$IORING_UNREGISTER_BUFFERS(r0, 0x1, 0x0, 0x0) r1 = syz_io_uring_setup(0x6985, &(0x7f0000000100)={0x0, 0xbc5f, 0x20, 0x0, 0x2dd, 0x0, r0}, &(0x7f0000ffe000/0x2000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000000180), &(0x7f00000001c0)) io_uring_register$IORING_REGISTER_EVENTFD_ASYNC(r1, 0x7, 0x0, 0x1) socket(0x18, 0x0, 0xffffe26b) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r0, 0x81f8943c, &(0x7f0000000440)) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_calipso(0x0, 0xffffffffffffffff) sendmsg$NLBL_CALIPSO_C_LIST(r2, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={0x0}, 0x1, 0x0, 0x0, 0x4000000}, 0x851) syz_io_uring_setup(0x4ee4, &(0x7f00000007c0)={0x0, 0x0, 0x10, 0x0, 0x106, 0x0, r0}, &(0x7f0000ffe000/0x2000)=nil, &(0x7f0000ffe000/0x1000)=nil, &(0x7f0000000840), &(0x7f0000000880)) syz_genetlink_get_family_id$netlbl_calipso(&(0x7f00000008c0), r2) syz_genetlink_get_family_id$netlbl_calipso(0x0, r2) 14:52:42 executing program 3: r0 = socket$inet6_udp(0xa, 0x2, 0x0) r1 = dup(r0) connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x0, 0x0, @loopback}, 0x1c) sendmmsg$inet6(r1, &(0x7f0000001a40)=[{{&(0x7f00000002c0)={0xa, 0x4e23, 0x0, @loopback}, 0x1c, 0x0}}], 0x1, 0x0) [ 68.095810] audit: type=1400 audit(1663080762.415:6): avc: denied { execmem } for pid=283 comm="syz-executor.1" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 14:52:42 executing program 4: mremap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x1000, 0xb, &(0x7f0000ff8000/0x1000)=nil) 14:52:42 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) lstat(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100)) 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, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendmsg$NFT_BATCH(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000001600)=ANY=[@ANYBLOB="280000001600e1b9"], 0x28}}, 0x0) 14:52:42 executing program 6: perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000001840)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x3) setpriority(0x2, 0x0, 0x1) getsockopt$IP_VS_SO_GET_VERSION(0xffffffffffffffff, 0x0, 0x480, 0x0, &(0x7f00000004c0)=0xfffffffffffffe1c) 14:52:42 executing program 7: ioctl$CDROMREADMODE1(0xffffffffffffffff, 0x530d, &(0x7f0000000800)={0x6, 0x0, 0x20, 0x81, 0x6, 0x89}) r0 = perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r0, 0x81f8943c, &(0x7f0000001280)) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, &(0x7f0000000300)) ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f0000000340)) r1 = openat$ttyS3(0xffffffffffffff9c, &(0x7f00000003c0), 0x0, 0x0) ioctl$FAT_IOCTL_GET_VOLUME_ID(r1, 0x80047213, &(0x7f00000004c0)) r2 = epoll_create(0x4) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, 0xffffffffffffffff, &(0x7f0000000400)={0x30000004}) r3 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) kcmp$KCMP_EPOLL_TFD(0x0, 0x0, 0x7, r3, &(0x7f0000000140)={r2, 0xffffffffffffffff, 0x3d}) openat$vcsa(0xffffffffffffff9c, &(0x7f0000001600), 0x400000, 0x0) ioctl$VT_RESIZEX(0xffffffffffffffff, 0x560c, 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, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone3(&(0x7f0000004c00)={0xc0002100, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x58) [ 69.433153] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 69.436815] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 69.438755] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 69.442305] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 69.444091] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 69.445578] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 69.452171] Bluetooth: hci0: HCI_REQ-0x0c1a [ 69.504245] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 69.505917] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 69.509756] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 69.511492] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 69.513041] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 69.514269] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 69.515857] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 69.517780] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 69.518988] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 69.520322] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 69.521771] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 69.522850] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 69.523921] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 69.525285] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 69.525529] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 69.527452] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 69.528622] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 69.530152] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 69.530643] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 69.533313] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 69.534891] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 69.536922] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 69.537957] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 69.539317] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 69.540033] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 69.540776] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 69.541823] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 69.542856] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 69.545908] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 69.545947] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 69.547111] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 69.548125] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 69.548899] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 69.549920] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 69.550763] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 69.555092] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 69.556099] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 69.557507] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 69.557822] Bluetooth: hci2: HCI_REQ-0x0c1a [ 69.558786] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 69.562900] Bluetooth: hci7: HCI_REQ-0x0c1a [ 69.570470] Bluetooth: hci1: HCI_REQ-0x0c1a [ 69.572047] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 69.573580] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 69.577650] Bluetooth: hci4: HCI_REQ-0x0c1a [ 69.578617] Bluetooth: hci3: HCI_REQ-0x0c1a [ 69.579600] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 69.584501] Bluetooth: hci6: HCI_REQ-0x0c1a [ 69.591454] Bluetooth: hci5: HCI_REQ-0x0c1a [ 71.509987] Bluetooth: hci0: command 0x0409 tx timeout [ 71.573418] Bluetooth: hci2: command 0x0409 tx timeout [ 71.573426] Bluetooth: hci7: command 0x0409 tx timeout [ 71.637418] Bluetooth: hci3: command 0x0409 tx timeout [ 71.637449] Bluetooth: hci5: command 0x0409 tx timeout [ 71.637923] Bluetooth: hci6: command 0x0409 tx timeout [ 71.639107] Bluetooth: hci4: command 0x0409 tx timeout [ 71.639568] Bluetooth: hci1: command 0x0409 tx timeout [ 73.557444] Bluetooth: hci0: command 0x041b tx timeout [ 73.621530] Bluetooth: hci7: command 0x041b tx timeout [ 73.622039] Bluetooth: hci2: command 0x041b tx timeout [ 73.685657] Bluetooth: hci1: command 0x041b tx timeout [ 73.686188] Bluetooth: hci4: command 0x041b tx timeout [ 73.687412] Bluetooth: hci6: command 0x041b tx timeout [ 73.687855] Bluetooth: hci5: command 0x041b tx timeout [ 73.688278] Bluetooth: hci3: command 0x041b tx timeout [ 75.605425] Bluetooth: hci0: command 0x040f tx timeout [ 75.669389] Bluetooth: hci2: command 0x040f tx timeout [ 75.669898] Bluetooth: hci7: command 0x040f tx timeout [ 75.733463] Bluetooth: hci3: command 0x040f tx timeout [ 75.734171] Bluetooth: hci5: command 0x040f tx timeout [ 75.734981] Bluetooth: hci6: command 0x040f tx timeout [ 75.735460] Bluetooth: hci4: command 0x040f tx timeout [ 75.736315] Bluetooth: hci1: command 0x040f tx timeout [ 77.653511] Bluetooth: hci0: command 0x0419 tx timeout [ 77.717549] Bluetooth: hci7: command 0x0419 tx timeout [ 77.718313] Bluetooth: hci2: command 0x0419 tx timeout [ 77.781527] Bluetooth: hci1: command 0x0419 tx timeout [ 77.782270] Bluetooth: hci4: command 0x0419 tx timeout [ 77.782984] Bluetooth: hci6: command 0x0419 tx timeout [ 77.784539] Bluetooth: hci5: command 0x0419 tx timeout [ 77.785226] Bluetooth: hci3: command 0x0419 tx timeout 14:53:40 executing program 4: mremap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x1000, 0xb, &(0x7f0000ff8000/0x1000)=nil) 14:53:40 executing program 4: mremap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x1000, 0xb, &(0x7f0000ff8000/0x1000)=nil) [ 127.281079] audit: type=1400 audit(1663080821.601:7): avc: denied { open } for pid=3867 comm="syz-executor.5" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 127.282625] audit: type=1400 audit(1663080821.601:8): avc: denied { kernel } for pid=3867 comm="syz-executor.5" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 127.296334] ------------[ cut here ]------------ [ 127.296354] [ 127.296357] ====================================================== [ 127.296360] WARNING: possible circular locking dependency detected [ 127.296365] 6.0.0-rc5-next-20220913 #1 Not tainted [ 127.296371] ------------------------------------------------------ [ 127.296374] syz-executor.5/3869 is trying to acquire lock: [ 127.296380] ffffffff853fa878 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70 [ 127.296418] [ 127.296418] but task is already holding lock: [ 127.296421] ffff88800ebac820 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 127.296448] [ 127.296448] which lock already depends on the new lock. [ 127.296448] [ 127.296451] [ 127.296451] the existing dependency chain (in reverse order) is: [ 127.296455] [ 127.296455] -> #3 (&ctx->lock){....}-{2:2}: [ 127.296468] _raw_spin_lock+0x2a/0x40 [ 127.296485] __perf_event_task_sched_out+0x53b/0x18d0 [ 127.296497] __schedule+0xedd/0x2470 [ 127.296508] preempt_schedule_common+0x45/0xc0 [ 127.296519] __cond_resched+0x17/0x30 [ 127.296529] __mutex_lock+0xa3/0x14d0 [ 127.296540] __do_sys_perf_event_open+0x1eec/0x32c0 [ 127.296552] do_syscall_64+0x3b/0x90 [ 127.296566] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 127.296584] [ 127.296584] -> #2 (&rq->__lock){-.-.}-{2:2}: [ 127.296598] _raw_spin_lock_nested+0x30/0x40 [ 127.296613] raw_spin_rq_lock_nested+0x1e/0x30 [ 127.296626] task_fork_fair+0x63/0x4d0 [ 127.296643] sched_cgroup_fork+0x3d0/0x540 [ 127.296658] copy_process+0x3f9e/0x6df0 [ 127.296668] kernel_clone+0xe7/0x890 [ 127.296677] user_mode_thread+0xad/0xf0 [ 127.296688] rest_init+0x24/0x250 [ 127.296704] arch_call_rest_init+0xf/0x14 [ 127.296724] start_kernel+0x4c1/0x4e6 [ 127.296741] secondary_startup_64_no_verify+0xe0/0xeb [ 127.296756] [ 127.296756] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 127.296769] _raw_spin_lock_irqsave+0x39/0x60 [ 127.296784] try_to_wake_up+0xab/0x1920 [ 127.296798] up+0x75/0xb0 [ 127.296809] __up_console_sem+0x6e/0x80 [ 127.296825] console_unlock+0x46a/0x590 [ 127.296841] vprintk_emit+0x1bd/0x560 [ 127.296858] vprintk+0x84/0xa0 [ 127.296875] _printk+0xba/0xf1 [ 127.296892] kauditd_hold_skb.cold+0x3f/0x4e [ 127.296906] kauditd_send_queue+0x233/0x290 [ 127.296921] kauditd_thread+0x5da/0x9a0 [ 127.296935] kthread+0x2ed/0x3a0 [ 127.296950] ret_from_fork+0x22/0x30 [ 127.296963] [ 127.296963] -> #0 ((console_sem).lock){....}-{2:2}: [ 127.296976] __lock_acquire+0x2a02/0x5e70 [ 127.296993] lock_acquire+0x1a2/0x530 [ 127.297009] _raw_spin_lock_irqsave+0x39/0x60 [ 127.297024] down_trylock+0xe/0x70 [ 127.297036] __down_trylock_console_sem+0x3b/0xd0 [ 127.297053] vprintk_emit+0x16b/0x560 [ 127.297069] vprintk+0x84/0xa0 [ 127.297085] _printk+0xba/0xf1 [ 127.297102] report_bug.cold+0x72/0xab [ 127.297115] handle_bug+0x3c/0x70 [ 127.297130] exc_invalid_op+0x14/0x50 [ 127.297145] asm_exc_invalid_op+0x16/0x20 [ 127.297161] group_sched_out.part.0+0x2c7/0x460 [ 127.297172] ctx_sched_out+0x8f1/0xc10 [ 127.297181] __perf_event_task_sched_out+0x6d0/0x18d0 [ 127.297194] __schedule+0xedd/0x2470 [ 127.297203] preempt_schedule_common+0x45/0xc0 [ 127.297214] __cond_resched+0x17/0x30 [ 127.297224] __mutex_lock+0xa3/0x14d0 [ 127.297234] __do_sys_perf_event_open+0x1eec/0x32c0 [ 127.297247] do_syscall_64+0x3b/0x90 [ 127.297260] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 127.297277] [ 127.297277] other info that might help us debug this: [ 127.297277] [ 127.297280] Chain exists of: [ 127.297280] (console_sem).lock --> &rq->__lock --> &ctx->lock [ 127.297280] [ 127.297295] Possible unsafe locking scenario: [ 127.297295] [ 127.297297] CPU0 CPU1 [ 127.297299] ---- ---- [ 127.297301] lock(&ctx->lock); [ 127.297307] lock(&rq->__lock); [ 127.297314] lock(&ctx->lock); [ 127.297320] lock((console_sem).lock); [ 127.297325] [ 127.297325] *** DEADLOCK *** [ 127.297325] [ 127.297327] 2 locks held by syz-executor.5/3869: [ 127.297334] #0: ffff88806cf37cd8 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470 [ 127.297359] #1: ffff88800ebac820 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 127.297387] [ 127.297387] stack backtrace: [ 127.297390] CPU: 1 PID: 3869 Comm: syz-executor.5 Not tainted 6.0.0-rc5-next-20220913 #1 [ 127.297402] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 127.297410] Call Trace: [ 127.297414] [ 127.297418] dump_stack_lvl+0x8b/0xb3 [ 127.297432] check_noncircular+0x263/0x2e0 [ 127.297449] ? format_decode+0x26c/0xb50 [ 127.297464] ? print_circular_bug+0x450/0x450 [ 127.297482] ? enable_ptr_key_workfn+0x20/0x20 [ 127.297501] ? __lockdep_reset_lock+0x180/0x180 [ 127.297519] ? format_decode+0x26c/0xb50 [ 127.297534] ? alloc_chain_hlocks+0x1ec/0x5a0 [ 127.297552] __lock_acquire+0x2a02/0x5e70 [ 127.297574] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 127.297597] lock_acquire+0x1a2/0x530 [ 127.297614] ? down_trylock+0xe/0x70 [ 127.297628] ? rcu_read_unlock+0x40/0x40 [ 127.297646] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 127.297667] ? vprintk+0x84/0xa0 [ 127.297685] _raw_spin_lock_irqsave+0x39/0x60 [ 127.297701] ? down_trylock+0xe/0x70 [ 127.297715] down_trylock+0xe/0x70 [ 127.297728] ? vprintk+0x84/0xa0 [ 127.297745] __down_trylock_console_sem+0x3b/0xd0 [ 127.297763] vprintk_emit+0x16b/0x560 [ 127.297780] ? lock_downgrade+0x6d0/0x6d0 [ 127.297799] vprintk+0x84/0xa0 [ 127.297817] _printk+0xba/0xf1 [ 127.297835] ? record_print_text.cold+0x16/0x16 [ 127.297855] ? hrtimer_try_to_cancel+0x163/0x2c0 [ 127.297869] ? lock_downgrade+0x6d0/0x6d0 [ 127.297887] ? report_bug.cold+0x66/0xab [ 127.297902] ? group_sched_out.part.0+0x2c7/0x460 [ 127.297913] report_bug.cold+0x72/0xab [ 127.297928] handle_bug+0x3c/0x70 [ 127.297941] exc_invalid_op+0x14/0x50 [ 127.297956] asm_exc_invalid_op+0x16/0x20 [ 127.297973] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 127.297987] 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 [ 127.297998] RSP: 0018:ffff88801d497978 EFLAGS: 00010006 [ 127.298007] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 127.298015] RDX: ffff888040fc0000 RSI: ffffffff81566027 RDI: 0000000000000005 [ 127.298023] RBP: ffff888041a28000 R08: 0000000000000005 R09: 0000000000000001 [ 127.298030] R10: 0000000000000000 R11: 0000000000000001 R12: ffff88800ebac800 [ 127.298038] R13: ffff88806cf3d100 R14: ffffffff8547bfc0 R15: 0000000000000002 [ 127.298050] ? group_sched_out.part.0+0x2c7/0x460 [ 127.298063] ? group_sched_out.part.0+0x2c7/0x460 [ 127.298075] ctx_sched_out+0x8f1/0xc10 [ 127.298088] __perf_event_task_sched_out+0x6d0/0x18d0 [ 127.298103] ? lock_is_held_type+0xd7/0x130 [ 127.298122] ? __perf_cgroup_move+0x160/0x160 [ 127.298134] ? set_next_entity+0x304/0x550 [ 127.298152] ? update_curr+0x267/0x740 [ 127.298171] ? lock_is_held_type+0xd7/0x130 [ 127.298189] __schedule+0xedd/0x2470 [ 127.298202] ? io_schedule_timeout+0x150/0x150 [ 127.298213] ? find_held_lock+0x2c/0x110 [ 127.298230] ? lock_is_held_type+0xd7/0x130 [ 127.298248] ? __cond_resched+0x17/0x30 [ 127.298259] preempt_schedule_common+0x45/0xc0 [ 127.298272] __cond_resched+0x17/0x30 [ 127.298282] __mutex_lock+0xa3/0x14d0 [ 127.298295] ? lock_is_held_type+0xd7/0x130 [ 127.298312] ? __do_sys_perf_event_open+0x1eec/0x32c0 [ 127.298327] ? mutex_lock_io_nested+0x1310/0x1310 [ 127.298340] ? lock_release+0x3b2/0x750 [ 127.298358] ? __up_read+0x192/0x730 [ 127.298372] ? up_write+0x480/0x480 [ 127.298390] __do_sys_perf_event_open+0x1eec/0x32c0 [ 127.298407] ? perf_compat_ioctl+0x130/0x130 [ 127.298419] ? xfd_validate_state+0x59/0x180 [ 127.298443] ? syscall_enter_from_user_mode+0x1d/0x50 [ 127.298461] ? syscall_enter_from_user_mode+0x1d/0x50 [ 127.298482] do_syscall_64+0x3b/0x90 [ 127.298496] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 127.298514] RIP: 0033:0x7f95702eeb19 [ 127.298522] 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 [ 127.298533] RSP: 002b:00007f956d864188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a [ 127.298544] RAX: ffffffffffffffda RBX: 00007f9570401f60 RCX: 00007f95702eeb19 [ 127.298552] RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000280 [ 127.298559] RBP: 00007f9570348f6d R08: 0000000000000000 R09: 0000000000000000 [ 127.298567] R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 [ 127.298574] R13: 00007fff536c6b8f R14: 00007f956d864300 R15: 0000000000022000 [ 127.298587] [ 127.357700] WARNING: CPU: 1 PID: 3869 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460 [ 127.358301] Modules linked in: [ 127.358517] CPU: 1 PID: 3869 Comm: syz-executor.5 Not tainted 6.0.0-rc5-next-20220913 #1 [ 127.359046] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 127.359772] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 127.360130] 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 [ 127.361302] RSP: 0018:ffff88801d497978 EFLAGS: 00010006 [ 127.361667] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 127.362132] RDX: ffff888040fc0000 RSI: ffffffff81566027 RDI: 0000000000000005 [ 127.362598] RBP: ffff888041a28000 R08: 0000000000000005 R09: 0000000000000001 [ 127.363064] R10: 0000000000000000 R11: 0000000000000001 R12: ffff88800ebac800 [ 127.363530] R13: ffff88806cf3d100 R14: ffffffff8547bfc0 R15: 0000000000000002 [ 127.363998] FS: 00007f956d864700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 127.364526] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 127.364908] CR2: 00007f9edf5fc298 CR3: 0000000041850000 CR4: 0000000000350ee0 [ 127.365377] Call Trace: [ 127.365555] [ 127.365714] ctx_sched_out+0x8f1/0xc10 [ 127.365978] __perf_event_task_sched_out+0x6d0/0x18d0 [ 127.366326] ? lock_is_held_type+0xd7/0x130 [ 127.366624] ? __perf_cgroup_move+0x160/0x160 [ 127.366926] ? set_next_entity+0x304/0x550 [ 127.367214] ? update_curr+0x267/0x740 [ 127.367483] ? lock_is_held_type+0xd7/0x130 [ 127.367778] __schedule+0xedd/0x2470 [ 127.368033] ? io_schedule_timeout+0x150/0x150 [ 127.368339] ? find_held_lock+0x2c/0x110 [ 127.368617] ? lock_is_held_type+0xd7/0x130 [ 127.368909] ? __cond_resched+0x17/0x30 [ 127.369177] preempt_schedule_common+0x45/0xc0 [ 127.369489] __cond_resched+0x17/0x30 [ 127.369754] __mutex_lock+0xa3/0x14d0 [ 127.370012] ? lock_is_held_type+0xd7/0x130 [ 127.370304] ? __do_sys_perf_event_open+0x1eec/0x32c0 [ 127.370651] ? mutex_lock_io_nested+0x1310/0x1310 [ 127.370976] ? lock_release+0x3b2/0x750 [ 127.371248] ? __up_read+0x192/0x730 [ 127.371503] ? up_write+0x480/0x480 [ 127.371756] __do_sys_perf_event_open+0x1eec/0x32c0 [ 127.372092] ? perf_compat_ioctl+0x130/0x130 [ 127.372391] ? xfd_validate_state+0x59/0x180 [ 127.372698] ? syscall_enter_from_user_mode+0x1d/0x50 [ 127.373058] ? syscall_enter_from_user_mode+0x1d/0x50 [ 127.373414] do_syscall_64+0x3b/0x90 [ 127.373685] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 127.374033] RIP: 0033:0x7f95702eeb19 [ 127.374314] 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 [ 127.375682] RSP: 002b:00007f956d864188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a [ 127.376272] RAX: ffffffffffffffda RBX: 00007f9570401f60 RCX: 00007f95702eeb19 [ 127.376798] RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000280 [ 127.377336] RBP: 00007f9570348f6d R08: 0000000000000000 R09: 0000000000000000 [ 127.377876] R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 [ 127.378407] R13: 00007fff536c6b8f R14: 00007f956d864300 R15: 0000000000022000 [ 127.378959] [ 127.379141] irq event stamp: 2352 [ 127.379399] hardirqs last enabled at (2351): [] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 127.380150] hardirqs last disabled at (2352): [] __schedule+0x1225/0x2470 [ 127.380753] softirqs last enabled at (1826): [] __irq_exit_rcu+0x11b/0x180 [ 127.381400] softirqs last disabled at (1815): [] __irq_exit_rcu+0x11b/0x180 [ 127.382065] ---[ end trace 0000000000000000 ]--- [ 127.884449] audit: type=1400 audit(1663080822.204:9): avc: denied { write } for pid=3917 comm="syz-executor.7" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 132.565484] Bluetooth: hci0: Opcode 0x c03 failed: -110 [ 132.565497] Bluetooth: hci7: Opcode 0x c03 failed: -110 [ 136.789405] Bluetooth: hci0: Opcode 0x c03 failed: -110 [ 136.789448] Bluetooth: hci7: Opcode 0x c03 failed: -110 VM DIAGNOSIS: 14:53:41 Registers: info registers vcpu 0 RAX=0000000080000001 RBX=0000000000000001 RCX=1ffffffff0e0ace0 RDX=0000000000000000 RSI=ffffffff817836e0 RDI=0000000000000001 RBP=ffff8880419ef6e0 RSP=ffff8880419ef5f0 R8 =ffffffff85ed9a3c R9 =ffffffff85ed9a40 R10=ffffed100833dede R11=ffff8880419ef6c8 R12=ffff8880419ef750 R13=0000000000000000 R14=ffff8880419ef688 R15=ffff88800da13800 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 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=00007fd713f9a368 CR3=0000000040b9a000 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 756e696c2d34365f 3638782f62696c2f YMM01=0000000000000000 0000000000000000 322e6f732e6c6462 696c2f756e672d78 YMM02=0000000000000000 0000000000000000 00322e6f732e6c64 62696c2f756e672d YMM03=0000000000000000 0000000000000000 78756e696c2d3436 5f3638782f62696c 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 info registers vcpu 1 RAX=000000000000002d RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff822b25c1 RDI=ffffffff8763fae0 RBP=ffffffff8763faa0 RSP=ffff88801d4973c8 R8 =0000000000000001 R9 =000000000000000a R10=000000000000002d R11=0000000000000001 R12=000000000000002d R13=ffffffff8763faa0 R14=0000000000000010 R15=ffffffff822b25b0 RIP=ffffffff822b2619 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 00007f956d864700 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=00007f9edf5fc298 CR3=0000000041850000 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 ffffffffffffffff ffffffffffffffff YMM02=0000000000000000 0000000000000000 00524f5252450040 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