Warning: Permanently added '[localhost]:18824' (ECDSA) to the list of known hosts. 2022/10/05 12:11:43 fuzzer started 2022/10/05 12:11:44 dialing manager at localhost:37193 syzkaller login: [ 36.477625] cgroup: Unknown subsys name 'net' [ 36.567124] cgroup: Unknown subsys name 'rlimit' 2022/10/05 12:11:58 syscalls: 2215 2022/10/05 12:11:58 code coverage: enabled 2022/10/05 12:11:58 comparison tracing: enabled 2022/10/05 12:11:58 extra coverage: enabled 2022/10/05 12:11:58 setuid sandbox: enabled 2022/10/05 12:11:58 namespace sandbox: enabled 2022/10/05 12:11:58 Android sandbox: enabled 2022/10/05 12:11:58 fault injection: enabled 2022/10/05 12:11:58 leak checking: enabled 2022/10/05 12:11:58 net packet injection: enabled 2022/10/05 12:11:58 net device setup: enabled 2022/10/05 12:11:58 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/10/05 12:11:58 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/10/05 12:11:58 USB emulation: enabled 2022/10/05 12:11:58 hci packet injection: enabled 2022/10/05 12:11:58 wifi device emulation: failed to parse kernel version (6.0.0-next-20221005) 2022/10/05 12:11:58 802.15.4 emulation: enabled 2022/10/05 12:11:58 fetching corpus: 0, signal 0/2000 (executing program) 2022/10/05 12:11:59 fetching corpus: 50, signal 21916/25440 (executing program) 2022/10/05 12:11:59 fetching corpus: 100, signal 38749/43457 (executing program) 2022/10/05 12:11:59 fetching corpus: 150, signal 47048/53010 (executing program) 2022/10/05 12:11:59 fetching corpus: 200, signal 56879/63775 (executing program) 2022/10/05 12:11:59 fetching corpus: 250, signal 61754/69729 (executing program) 2022/10/05 12:11:59 fetching corpus: 300, signal 66674/75644 (executing program) 2022/10/05 12:11:59 fetching corpus: 350, signal 70396/80341 (executing program) 2022/10/05 12:11:59 fetching corpus: 400, signal 74599/85391 (executing program) 2022/10/05 12:12:00 fetching corpus: 450, signal 77356/89069 (executing program) 2022/10/05 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(executing program) 2022/10/05 12:12:06 fetching corpus: 3500, signal 168343/182558 (executing program) 2022/10/05 12:12:06 fetching corpus: 3550, signal 169989/183228 (executing program) 2022/10/05 12:12:07 fetching corpus: 3600, signal 171313/183693 (executing program) 2022/10/05 12:12:07 fetching corpus: 3650, signal 171992/184013 (executing program) 2022/10/05 12:12:07 fetching corpus: 3700, signal 172456/184262 (executing program) 2022/10/05 12:12:07 fetching corpus: 3750, signal 173027/184527 (executing program) 2022/10/05 12:12:07 fetching corpus: 3800, signal 173344/184732 (executing program) 2022/10/05 12:12:07 fetching corpus: 3850, signal 174206/185013 (executing program) 2022/10/05 12:12:07 fetching corpus: 3900, signal 174770/185253 (executing program) 2022/10/05 12:12:07 fetching corpus: 3950, signal 175173/185465 (executing program) 2022/10/05 12:12:07 fetching corpus: 4000, signal 176429/185750 (executing program) 2022/10/05 12:12:07 fetching corpus: 4050, signal 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signal 182820/187080 (executing program) 2022/10/05 12:12:11 starting 8 fuzzer processes 12:12:11 executing program 0: timer_create(0x8, &(0x7f00000000c0)={0x0, 0x0, 0x1, @tid=0xffffffffffffffff}, &(0x7f0000000080)) clock_gettime(0x0, &(0x7f0000000100)={0x0, 0x0}) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x0, r0+10000000}, {0x0, 0x3938700}}, 0x0) timer_gettime(0x0, &(0x7f0000000340)) 12:12:11 executing program 1: syz_mount_image$ext4(&(0x7f0000000140)='ext2\x00', &(0x7f0000000180)='./file0\x00', 0x0, 0x1, &(0x7f0000001480)=[{&(0x7f00000001c0)="12b46d6821e2b9780a4eef2b83e62fd8903b5db787ada822637a7a58c9", 0x1d, 0xffffffffffff7fff}], 0x2008002, &(0x7f0000001500)={[{@minixdf}, {@quota}, {@resuid={'resuid', 0x3d, 0xee01}}, {@noacl}, {@prjquota}, {@nodelalloc}, {@nobarrier}, {@orlov}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0xffffffffffffff81}}], [{@permit_directio}, {@uid_eq}, {@smackfshat={'smackfshat', 0x3d, 'ns/ipc\x00'}}, {@subj_role={'subj_role', 0x3d, 'ns/ipc\x00'}}, {@pcr={'pcr', 0x3d, 0x9}}, {@defcontext={'defcontext', 0x3d, 'sysadm_u'}}]}) 12:12:11 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x42, 0x1ff) close(r0) openat(0xffffffffffffff9c, &(0x7f0000000200)='./file1\x00', 0x2, 0x0) write$binfmt_script(r0, &(0x7f0000000140)=ANY=[@ANYBLOB='#! .o \n'], 0xb) close(r0) execveat(0xffffffffffffff9c, &(0x7f0000000480)='./file1\x00', 0x0, 0x0, 0x0) 12:12:11 executing program 3: r0 = socket$inet_udp(0x2, 0x2, 0x0) getsockopt$sock_timeval(r0, 0x1, 0x7, 0x0, &(0x7f0000000300)) [ 62.746618] audit: type=1400 audit(1664971931.789:6): avc: denied { execmem } for pid=284 comm="syz-executor.1" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 12:12:11 executing program 4: shmctl$IPC_INFO(0x0, 0x3, 0x0) 12:12:11 executing program 5: accept4$bt_l2cap(0xffffffffffffffff, 0x0, 0x0, 0x0) 12:12:11 executing program 6: timer_create(0x0, &(0x7f0000000000)={0x0, 0x0, 0x1, @tid=0xffffffffffffffff}, &(0x7f0000000040)) clock_gettime(0x0, &(0x7f0000000340)={0x0, 0x0}) timer_settime(0x0, 0x0, &(0x7f0000000380)={{0x77359400}, {0x0, r0+10000000}}, &(0x7f0000000640)) 12:12:11 executing program 7: r0 = openat$sndseq(0xffffffffffffff9c, &(0x7f0000000000), 0x41) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r0, 0xc08c5332, &(0x7f0000000080)={0x0, 0x0, 0x0, 'queue1\x00'}) write$sndseq(r0, &(0x7f0000000140)=[{0x0, 0x2, 0x0, 0x0, @tick, {}, {}, @raw8={"6a4110372e4321349a15abcc"}}], 0x1c) fdatasync(r0) mknod(&(0x7f0000008d80)='./file0\x00', 0x0, 0x0) mount$9p_unix(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', 0x0, 0x1a901e, 0x0) acct(&(0x7f0000000280)='./file0\x00') pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(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, 0x0, 0x0, 0x0, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) umount2(&(0x7f0000000140)='./file0\x00', 0x0) [ 64.015607] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 64.018895] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 64.020430] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 64.035465] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 64.037285] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 64.038883] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 64.043732] Bluetooth: hci0: HCI_REQ-0x0c1a [ 64.141487] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 64.144381] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 64.146052] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 64.150471] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 64.152007] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 64.153188] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 64.158384] Bluetooth: hci1: HCI_REQ-0x0c1a [ 64.226433] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 64.228482] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 64.235525] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 64.237289] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 64.241098] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 64.273600] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 64.275577] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 64.277457] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 64.280407] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 64.282487] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 64.284703] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 64.289653] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 64.295765] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 64.298523] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 64.315328] Bluetooth: hci7: HCI_REQ-0x0c1a [ 64.321720] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 64.323575] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 64.334957] Bluetooth: hci2: HCI_REQ-0x0c1a [ 64.336055] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 64.338487] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 64.339510] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 64.340736] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 64.340895] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 64.344337] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 64.345427] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 64.345681] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 64.346736] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 64.369611] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 64.369627] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 64.381322] Bluetooth: hci4: HCI_REQ-0x0c1a [ 64.427551] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 64.429767] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 64.433448] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 64.437082] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 64.449316] Bluetooth: hci3: HCI_REQ-0x0c1a [ 64.488515] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 64.490434] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 64.492131] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 64.492149] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 64.494445] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 64.500596] Bluetooth: hci6: HCI_REQ-0x0c1a [ 64.505414] Bluetooth: hci5: HCI_REQ-0x0c1a [ 66.104556] Bluetooth: hci0: command 0x0409 tx timeout [ 66.168270] Bluetooth: hci1: command 0x0409 tx timeout [ 66.359294] Bluetooth: hci2: command 0x0409 tx timeout [ 66.360269] Bluetooth: hci7: command 0x0409 tx timeout [ 66.423341] Bluetooth: hci4: command 0x0409 tx timeout [ 66.487317] Bluetooth: hci3: command 0x0409 tx timeout [ 66.552391] Bluetooth: hci5: command 0x0409 tx timeout [ 66.553050] Bluetooth: hci6: command 0x0409 tx timeout [ 68.151359] Bluetooth: hci0: command 0x041b tx timeout [ 68.215347] Bluetooth: hci1: command 0x041b tx timeout [ 68.407338] Bluetooth: hci7: command 0x041b tx timeout [ 68.408068] Bluetooth: hci2: command 0x041b tx timeout [ 68.471285] Bluetooth: hci4: command 0x041b tx timeout [ 68.535295] Bluetooth: hci3: command 0x041b tx timeout [ 68.599292] Bluetooth: hci6: command 0x041b tx timeout [ 68.599999] Bluetooth: hci5: command 0x041b tx timeout [ 70.200252] Bluetooth: hci0: command 0x040f tx timeout [ 70.264241] Bluetooth: hci1: command 0x040f tx timeout [ 70.456327] Bluetooth: hci2: command 0x040f tx timeout [ 70.457146] Bluetooth: hci7: command 0x040f tx timeout [ 70.519269] Bluetooth: hci4: command 0x040f tx timeout [ 70.583350] Bluetooth: hci3: command 0x040f tx timeout [ 70.647317] Bluetooth: hci5: command 0x040f tx timeout [ 70.648078] Bluetooth: hci6: command 0x040f tx timeout [ 72.248326] Bluetooth: hci0: command 0x0419 tx timeout [ 72.312328] Bluetooth: hci1: command 0x0419 tx timeout [ 72.504261] Bluetooth: hci7: command 0x0419 tx timeout [ 72.504729] Bluetooth: hci2: command 0x0419 tx timeout [ 72.568258] Bluetooth: hci4: command 0x0419 tx timeout [ 72.632274] Bluetooth: hci3: command 0x0419 tx timeout [ 72.696251] Bluetooth: hci6: command 0x0419 tx timeout [ 72.696690] Bluetooth: hci5: command 0x0419 tx timeout 12:13:09 executing program 4: mlock2(&(0x7f0000ffb000/0x4000)=nil, 0x4000, 0x0) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, 0x0) mremap(&(0x7f0000ffb000/0x4000)=nil, 0x4000, 0x2000, 0x0, &(0x7f0000ffb000/0x2000)=nil) syz_io_uring_setup(0x2e59, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x0, 0x23}, &(0x7f0000ffe000/0x2000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000000500), &(0x7f0000000540)) 12:13:09 executing program 4: pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RAUTH(r0, &(0x7f0000000080)={0x14}, 0x14) write$P9_RSTATu(r0, &(0x7f0000000380)={0x59, 0x7d, 0x0, {{0x0, 0x3b, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0, 0x4, '\\#%\\', 0x0, '', 0x0, '', 0x4, '!+-\xb4'}, 0x9, '/\'-9^&#%,', 0xee00, 0xffffffffffffffff}}, 0x59) 12:13:09 executing program 4: ustat(0x2, &(0x7f0000000040)) 12:13:09 executing program 4: ustat(0x2, &(0x7f0000000040)) 12:13:10 executing program 4: ustat(0x2, &(0x7f0000000040)) [ 121.053360] audit: type=1400 audit(1664971990.097:7): avc: denied { open } for pid=3772 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 [ 121.054827] audit: type=1400 audit(1664971990.097:8): avc: denied { kernel } for pid=3772 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 [ 121.076444] ------------[ cut here ]------------ [ 121.076465] [ 121.076469] ====================================================== [ 121.076472] WARNING: possible circular locking dependency detected [ 121.076476] 6.0.0-next-20221005 #1 Not tainted [ 121.076482] ------------------------------------------------------ [ 121.076488] syz-executor.7/3774 is trying to acquire lock: [ 121.076494] ffffffff853faaf8 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70 [ 121.076533] [ 121.076533] but task is already holding lock: [ 121.076535] ffff8880087c2c20 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 121.076562] [ 121.076562] which lock already depends on the new lock. [ 121.076562] [ 121.076565] [ 121.076565] the existing dependency chain (in reverse order) is: [ 121.076567] [ 121.076567] -> #3 (&ctx->lock){....}-{2:2}: [ 121.076581] _raw_spin_lock+0x2a/0x40 [ 121.076593] __perf_event_task_sched_out+0x53b/0x18d0 [ 121.076604] __schedule+0xedd/0x2470 [ 121.076618] preempt_schedule_common+0x45/0xc0 [ 121.076634] __cond_resched+0x17/0x30 [ 121.076648] __mutex_lock+0xa3/0x14d0 [ 121.076664] __do_sys_perf_event_open+0x1eec/0x32c0 [ 121.076675] do_syscall_64+0x3b/0x90 [ 121.076684] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 121.076698] [ 121.076698] -> #2 (&rq->__lock){-.-.}-{2:2}: [ 121.076711] _raw_spin_lock_nested+0x30/0x40 [ 121.076722] raw_spin_rq_lock_nested+0x1e/0x30 [ 121.076736] task_fork_fair+0x63/0x4d0 [ 121.076752] sched_cgroup_fork+0x3d0/0x540 [ 121.076766] copy_process+0x4183/0x6e20 [ 121.076777] kernel_clone+0xe7/0x890 [ 121.076787] user_mode_thread+0xad/0xf0 [ 121.076797] rest_init+0x24/0x250 [ 121.076809] arch_call_rest_init+0xf/0x14 [ 121.076828] start_kernel+0x4c6/0x4eb [ 121.076845] secondary_startup_64_no_verify+0xe0/0xeb [ 121.076859] [ 121.076859] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 121.076872] _raw_spin_lock_irqsave+0x39/0x60 [ 121.076883] try_to_wake_up+0xab/0x1930 [ 121.076897] up+0x75/0xb0 [ 121.076911] __up_console_sem+0x6e/0x80 [ 121.076927] console_unlock+0x46a/0x590 [ 121.076942] vprintk_emit+0x1bd/0x560 [ 121.076958] vprintk+0x84/0xa0 [ 121.076974] _printk+0xba/0xf1 [ 121.076986] regdb_fw_cb.cold+0x6c/0xa7 [ 121.077003] request_firmware_work_func+0x12e/0x240 [ 121.077023] process_one_work+0xa17/0x16a0 [ 121.077040] worker_thread+0x637/0x1260 [ 121.077059] kthread+0x2ed/0x3a0 [ 121.077073] ret_from_fork+0x22/0x30 [ 121.077085] [ 121.077085] -> #0 ((console_sem).lock){....}-{2:2}: [ 121.077098] __lock_acquire+0x2a02/0x5e70 [ 121.077114] lock_acquire+0x1a2/0x530 [ 121.077130] _raw_spin_lock_irqsave+0x39/0x60 [ 121.077141] down_trylock+0xe/0x70 [ 121.077157] __down_trylock_console_sem+0x3b/0xd0 [ 121.077173] vprintk_emit+0x16b/0x560 [ 121.077189] vprintk+0x84/0xa0 [ 121.077204] _printk+0xba/0xf1 [ 121.077215] report_bug.cold+0x72/0xab [ 121.077232] handle_bug+0x3c/0x70 [ 121.077241] exc_invalid_op+0x14/0x50 [ 121.077250] asm_exc_invalid_op+0x16/0x20 [ 121.077263] group_sched_out.part.0+0x2c7/0x460 [ 121.077280] ctx_sched_out+0x8f1/0xc10 [ 121.077297] __perf_event_task_sched_out+0x6d0/0x18d0 [ 121.077307] __schedule+0xedd/0x2470 [ 121.077322] preempt_schedule_common+0x45/0xc0 [ 121.077337] __cond_resched+0x17/0x30 [ 121.077351] __mutex_lock+0xa3/0x14d0 [ 121.077367] __do_sys_perf_event_open+0x1eec/0x32c0 [ 121.077378] do_syscall_64+0x3b/0x90 [ 121.077387] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 121.077401] [ 121.077401] other info that might help us debug this: [ 121.077401] [ 121.077403] Chain exists of: [ 121.077403] (console_sem).lock --> &rq->__lock --> &ctx->lock [ 121.077403] [ 121.077418] Possible unsafe locking scenario: [ 121.077418] [ 121.077420] CPU0 CPU1 [ 121.077422] ---- ---- [ 121.077424] lock(&ctx->lock); [ 121.077429] lock(&rq->__lock); [ 121.077436] lock(&ctx->lock); [ 121.077442] lock((console_sem).lock); [ 121.077447] [ 121.077447] *** DEADLOCK *** [ 121.077447] [ 121.077449] 2 locks held by syz-executor.7/3774: [ 121.077456] #0: ffff88806cf37e98 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470 [ 121.077501] #1: ffff8880087c2c20 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 121.077527] [ 121.077527] stack backtrace: [ 121.077530] CPU: 1 PID: 3774 Comm: syz-executor.7 Not tainted 6.0.0-next-20221005 #1 [ 121.077542] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 121.077549] Call Trace: [ 121.077552] [ 121.077556] dump_stack_lvl+0x8b/0xb3 [ 121.077575] check_noncircular+0x263/0x2e0 [ 121.077592] ? format_decode+0x26c/0xb50 [ 121.077609] ? print_circular_bug+0x450/0x450 [ 121.077627] ? simple_strtoul+0x30/0x30 [ 121.077643] ? lock_release+0x547/0x750 [ 121.077660] ? format_decode+0x26c/0xb50 [ 121.077678] ? alloc_chain_hlocks+0x1ec/0x5a0 [ 121.077696] __lock_acquire+0x2a02/0x5e70 [ 121.077718] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 121.077740] lock_acquire+0x1a2/0x530 [ 121.077757] ? down_trylock+0xe/0x70 [ 121.077775] ? lock_release+0x750/0x750 [ 121.077796] ? vprintk+0x84/0xa0 [ 121.077814] _raw_spin_lock_irqsave+0x39/0x60 [ 121.077826] ? down_trylock+0xe/0x70 [ 121.077844] down_trylock+0xe/0x70 [ 121.077860] ? vprintk+0x84/0xa0 [ 121.077878] __down_trylock_console_sem+0x3b/0xd0 [ 121.077895] vprintk_emit+0x16b/0x560 [ 121.077914] vprintk+0x84/0xa0 [ 121.077932] _printk+0xba/0xf1 [ 121.077944] ? record_print_text.cold+0x16/0x16 [ 121.077961] ? report_bug.cold+0x66/0xab [ 121.077980] ? group_sched_out.part.0+0x2c7/0x460 [ 121.077999] report_bug.cold+0x72/0xab [ 121.078019] handle_bug+0x3c/0x70 [ 121.078029] exc_invalid_op+0x14/0x50 [ 121.078040] asm_exc_invalid_op+0x16/0x20 [ 121.078053] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 121.078074] Code: 5e 41 5f e9 8b ae ef ff e8 86 ae ef ff 65 8b 1d 2b 08 ac 7e 31 ff 89 de e8 26 ab ef ff 85 db 0f 84 8a 00 00 00 e8 69 ae ef ff <0f> 0b e9 a5 fe ff ff e8 5d ae ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 121.078085] RSP: 0018:ffff88803e247978 EFLAGS: 00010006 [ 121.078094] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 121.078102] RDX: ffff888015f00000 RSI: ffffffff81566da7 RDI: 0000000000000005 [ 121.078109] RBP: ffff88803e268000 R08: 0000000000000005 R09: 0000000000000001 [ 121.078117] R10: 0000000000000000 R11: ffffffff865b605b R12: ffff8880087c2c00 [ 121.078124] R13: ffff88806cf3d2c0 R14: ffffffff8547d040 R15: 0000000000000002 [ 121.078135] ? group_sched_out.part.0+0x2c7/0x460 [ 121.078155] ? group_sched_out.part.0+0x2c7/0x460 [ 121.078174] ctx_sched_out+0x8f1/0xc10 [ 121.078194] __perf_event_task_sched_out+0x6d0/0x18d0 [ 121.078208] ? lock_is_held_type+0xd7/0x130 [ 121.078222] ? __perf_cgroup_move+0x160/0x160 [ 121.078233] ? set_next_entity+0x304/0x550 [ 121.078250] ? update_curr+0x267/0x740 [ 121.078268] ? lock_is_held_type+0xd7/0x130 [ 121.078283] __schedule+0xedd/0x2470 [ 121.078301] ? io_schedule_timeout+0x150/0x150 [ 121.078316] ? find_held_lock+0x2c/0x110 [ 121.078333] ? lock_is_held_type+0xd7/0x130 [ 121.078346] ? __cond_resched+0x17/0x30 [ 121.078362] preempt_schedule_common+0x45/0xc0 [ 121.078379] __cond_resched+0x17/0x30 [ 121.078395] __mutex_lock+0xa3/0x14d0 [ 121.078412] ? lock_is_held_type+0xd7/0x130 [ 121.078425] ? __do_sys_perf_event_open+0x1eec/0x32c0 [ 121.078439] ? mutex_lock_io_nested+0x1310/0x1310 [ 121.078456] ? lock_release+0x3b2/0x750 [ 121.078473] ? __up_read+0x192/0x730 [ 121.078488] ? up_write+0x520/0x520 [ 121.078502] ? _raw_spin_unlock_irqrestore+0x28/0x60 [ 121.078517] __do_sys_perf_event_open+0x1eec/0x32c0 [ 121.078532] ? perf_compat_ioctl+0x130/0x130 [ 121.078543] ? xfd_validate_state+0x59/0x180 [ 121.078566] ? syscall_enter_from_user_mode+0x1d/0x50 [ 121.078581] ? syscall_enter_from_user_mode+0x1d/0x50 [ 121.078597] do_syscall_64+0x3b/0x90 [ 121.078607] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 121.078621] RIP: 0033:0x7f9437ffdb19 [ 121.078630] 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 [ 121.078641] RSP: 002b:00007f9435573188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a [ 121.078651] RAX: ffffffffffffffda RBX: 00007f9438110f60 RCX: 00007f9437ffdb19 [ 121.078659] RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000080 [ 121.078667] RBP: 00007f9438057f6d R08: 0000000000000000 R09: 0000000000000000 [ 121.078674] R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 [ 121.078681] R13: 00007ffdafb4830f R14: 00007f9435573300 R15: 0000000000022000 [ 121.078694] [ 121.142193] WARNING: CPU: 1 PID: 3774 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460 [ 121.142834] Modules linked in: [ 121.143060] CPU: 1 PID: 3774 Comm: syz-executor.7 Not tainted 6.0.0-next-20221005 #1 [ 121.143589] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 121.144155] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 121.144540] Code: 5e 41 5f e9 8b ae ef ff e8 86 ae ef ff 65 8b 1d 2b 08 ac 7e 31 ff 89 de e8 26 ab ef ff 85 db 0f 84 8a 00 00 00 e8 69 ae ef ff <0f> 0b e9 a5 fe ff ff e8 5d ae ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 121.145792] RSP: 0018:ffff88803e247978 EFLAGS: 00010006 [ 121.146158] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 121.146653] RDX: ffff888015f00000 RSI: ffffffff81566da7 RDI: 0000000000000005 [ 121.147146] RBP: ffff88803e268000 R08: 0000000000000005 R09: 0000000000000001 [ 121.147636] R10: 0000000000000000 R11: ffffffff865b605b R12: ffff8880087c2c00 [ 121.148129] R13: ffff88806cf3d2c0 R14: ffffffff8547d040 R15: 0000000000000002 [ 121.148622] FS: 00007f9435573700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 121.149174] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 121.149577] CR2: 00007f6b9f1fa028 CR3: 000000001d61e000 CR4: 0000000000350ee0 [ 121.150061] Call Trace: [ 121.150243] [ 121.150405] ctx_sched_out+0x8f1/0xc10 [ 121.150684] __perf_event_task_sched_out+0x6d0/0x18d0 [ 121.151044] ? lock_is_held_type+0xd7/0x130 [ 121.151351] ? __perf_cgroup_move+0x160/0x160 [ 121.151661] ? set_next_entity+0x304/0x550 [ 121.151967] ? update_curr+0x267/0x740 [ 121.152248] ? lock_is_held_type+0xd7/0x130 [ 121.152551] __schedule+0xedd/0x2470 [ 121.152824] ? io_schedule_timeout+0x150/0x150 [ 121.153147] ? find_held_lock+0x2c/0x110 [ 121.153439] ? lock_is_held_type+0xd7/0x130 [ 121.153759] ? __cond_resched+0x17/0x30 [ 121.154043] preempt_schedule_common+0x45/0xc0 [ 121.154373] __cond_resched+0x17/0x30 [ 121.154650] __mutex_lock+0xa3/0x14d0 [ 121.154930] ? lock_is_held_type+0xd7/0x130 [ 121.155235] ? __do_sys_perf_event_open+0x1eec/0x32c0 [ 121.155596] ? mutex_lock_io_nested+0x1310/0x1310 [ 121.155941] ? lock_release+0x3b2/0x750 [ 121.156229] ? __up_read+0x192/0x730 [ 121.156492] ? up_write+0x520/0x520 [ 121.156751] ? _raw_spin_unlock_irqrestore+0x28/0x60 [ 121.157108] __do_sys_perf_event_open+0x1eec/0x32c0 [ 121.157458] ? perf_compat_ioctl+0x130/0x130 [ 121.157774] ? xfd_validate_state+0x59/0x180 [ 121.158097] ? syscall_enter_from_user_mode+0x1d/0x50 [ 121.158463] ? syscall_enter_from_user_mode+0x1d/0x50 [ 121.158828] do_syscall_64+0x3b/0x90 [ 121.159094] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 121.159452] RIP: 0033:0x7f9437ffdb19 [ 121.159713] 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 [ 121.160949] RSP: 002b:00007f9435573188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a [ 121.161464] RAX: ffffffffffffffda RBX: 00007f9438110f60 RCX: 00007f9437ffdb19 [ 121.161970] RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000080 [ 121.162454] RBP: 00007f9438057f6d R08: 0000000000000000 R09: 0000000000000000 [ 121.162944] R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 [ 121.163442] R13: 00007ffdafb4830f R14: 00007f9435573300 R15: 0000000000022000 [ 121.163933] [ 121.164095] irq event stamp: 3168 [ 121.164334] hardirqs last enabled at (3167): [] _raw_spin_unlock_irqrestore+0x28/0x60 [ 121.164982] hardirqs last disabled at (3168): [] __schedule+0x1225/0x2470 [ 121.165565] softirqs last enabled at (2308): [] __irq_exit_rcu+0x11b/0x180 [ 121.166157] softirqs last disabled at (2303): [] __irq_exit_rcu+0x11b/0x180 [ 121.166746] ---[ end trace 0000000000000000 ]--- [ 121.184245] Process accounting resumed 12:13:10 executing program 4: ustat(0x2, &(0x7f0000000040)) 12:13:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_CCA_MODE(r0, &(0x7f0000000840)={0x0, 0x0, &(0x7f0000000800)={&(0x7f00000007c0)={0x20, r1, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}]}, 0x20}}, 0x0) 12:13:10 executing program 4: syz_emit_ethernet(0xf6, &(0x7f0000000000)={@multicast, @link_local, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, '\x00', 0xc0, 0x3a, 0xff, @local, @local, {[], @ndisc_ra={0x86, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, [{0x19, 0x16, "f3ee2f95a1639903e0e4b3284b70b92bda2ba69452b7e345cc6763ba2e15e9eb55d9339722b99de9524fcfe8473137f0aa725dc6faf492e282acff85b837f2b736741d500720410be87b430791b02a43bc6cc9acd0cd771ca56e4643e01db2e01fa2cb667920e9e38e77e190f488807ddf8e6ceb6c792ecc1b6572f3a122476c12b237cbc531c683d1d203a3eac79406a662c617774ccaa28fc57da5c1d1af52481db6076ac2421d14aea9385d3b"}]}}}}}}, 0x0) [ 121.405340] Process accounting resumed [ 121.570340] process 'syz-executor.2' launched './file1' with NULL argv: empty string added [ 127.095262] Bluetooth: hci5: Opcode 0x c03 failed: -110 [ 127.096136] Bluetooth: hci0: Opcode 0x c03 failed: -110 [ 127.159333] Bluetooth: hci6: Opcode 0x c03 failed: -110 VM DIAGNOSIS: 12:13:10 Registers: info registers vcpu 0 RAX=ffff88803e1e0001 RBX=0000000000000001 RCX=0000000000000001 RDX=ffff88803e1df901 RSI=ffff88803e1df9d8 RDI=ffff88803e1df630 RBP=ffff88803e1df9d8 RSP=ffff88803e1df578 R8 =ffffffff85ed13fc R9 =ffffffff85ed1400 R10=ffffed1007c3bed1 R11=ffff88803e1df660 R12=0000000000000008 R13=ffff88803e1d8000 R14=ffff88803e1df620 R15=0000000000000001 RIP=ffffffff8111b0ce RFL=00000292 [--S-A--] 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=00007fad7ef04368 CR3=000000002056e000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=756e696c2d34365f3638782f62696c2f XMM01=322e6f732e6c6462696c2f756e672d78 XMM02=00322e6f732e6c6462696c2f756e672d XMM03=78756e696c2d34365f3638782f62696c XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000005 RBX=00000000000003f9 RCX=0000000000000000 RDX=00000000000003f9 RSI=ffffffff823bda0c RDI=ffffffff8765c9a0 RBP=ffffffff8765c960 RSP=ffff88803e2473c8 R8 =0000000000000001 R9 =ffff88803e247353 R10=ffffed1007c48e6a R11=0000000000000001 R12=0000000000000041 R13=ffffffff8765c960 R14=ffffffff8765c9b0 R15=ffffffff8765cc10 RIP=ffffffff823bda61 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 00007f9435573700 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=00007f6b9f1fa028 CR3=000000001d61e000 CR4=00350ee0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=ffffffffffffffffffffffffffffffff XMM02=00524f52524500400000000000000000 XMM03=00000000000000000000000000000000 XMM04=000000000000000000000000000000ff XMM05=00000000000000000000000000000000 XMM06=0000000000000000000000524f525245 XMM07=00000000000000000000000000000000 XMM08=000000000000000000524f5252450040 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000