Warning: Permanently added '[localhost]:6871' (ECDSA) to the list of known hosts. 2022/09/15 13:11:42 fuzzer started 2022/09/15 13:11:43 dialing manager at localhost:36559 syzkaller login: [ 46.887885] cgroup: Unknown subsys name 'net' [ 46.996891] cgroup: Unknown subsys name 'rlimit' 2022/09/15 13:11:57 syscalls: 2215 2022/09/15 13:11:57 code coverage: enabled 2022/09/15 13:11:57 comparison tracing: enabled 2022/09/15 13:11:57 extra coverage: enabled 2022/09/15 13:11:57 setuid sandbox: enabled 2022/09/15 13:11:57 namespace sandbox: enabled 2022/09/15 13:11:57 Android sandbox: enabled 2022/09/15 13:11:57 fault injection: enabled 2022/09/15 13:11:57 leak checking: enabled 2022/09/15 13:11:57 net packet injection: enabled 2022/09/15 13:11:57 net device setup: enabled 2022/09/15 13:11:57 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/09/15 13:11:57 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/09/15 13:11:57 USB emulation: enabled 2022/09/15 13:11:57 hci packet injection: enabled 2022/09/15 13:11:57 wifi device emulation: failed to parse kernel version (6.0.0-rc5-next-20220915) 2022/09/15 13:11:57 802.15.4 emulation: enabled 2022/09/15 13:11:57 fetching corpus: 0, signal 0/2000 (executing program) 2022/09/15 13:11:57 fetching corpus: 50, signal 30765/34224 (executing program) 2022/09/15 13:11:57 fetching corpus: 100, signal 41502/46395 (executing program) 2022/09/15 13:11:58 fetching corpus: 150, signal 49197/55435 (executing program) 2022/09/15 13:11:58 fetching corpus: 200, signal 57820/65221 (executing program) 2022/09/15 13:11:58 fetching corpus: 250, signal 66414/74856 (executing program) 2022/09/15 13:11:58 fetching corpus: 300, signal 71205/80789 (executing program) 2022/09/15 13:11:58 fetching corpus: 350, signal 77475/88000 (executing program) 2022/09/15 13:11:58 fetching corpus: 400, signal 81958/93466 (executing program) 2022/09/15 13:11:58 fetching corpus: 450, signal 84861/97359 (executing program) 2022/09/15 13:11:59 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starting 8 fuzzer processes 13:12:16 executing program 0: r0 = socket$nl_sock_diag(0x10, 0x3, 0x4) getsockopt$netlink(r0, 0x10e, 0x3, &(0x7f0000000080)=""/253, &(0x7f0000000000)=0xfd) 13:12:16 executing program 1: r0 = shmget$private(0x0, 0x3000, 0x0, &(0x7f0000ff4000/0x3000)=nil) perf_event_open(&(0x7f0000000180)={0x5, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={0x0, 0x1}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) shmat(r0, &(0x7f0000ffb000/0x4000)=nil, 0x4000) [ 79.896750] audit: type=1400 audit(1663247536.436:6): avc: denied { execmem } for pid=284 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 13:12:16 executing program 2: syz_usb_connect_ath9k(0x3, 0x5a, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0xff, 0xff, 0xff, 0x40, 0xcf3, 0x9271, 0x108, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x48}}]}}, 0x0) 13:12:16 executing program 3: r0 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r0, &(0x7f0000000040)={0x2, 0x0, @empty}, 0x7) 13:12:16 executing program 4: accept$packet(0xffffffffffffffff, 0x0, 0x0) 13:12:16 executing program 5: r0 = io_uring_setup(0x5766, &(0x7f0000000040)) io_uring_register$IORING_REGISTER_FILES(r0, 0xc, 0x0, 0xfffffeed) 13:12:16 executing program 6: perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0x9d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) getpgid(0x0) 13:12:16 executing program 7: write$selinux_attr(0xffffffffffffffff, &(0x7f0000000000)='/usr/sbin/cups-browsed\x00', 0x17) setreuid(0xffffffffffffffff, 0xee01) r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000000)={'rose0\x00'}) [ 81.224290] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 81.232510] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 81.233554] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 81.237854] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 81.247348] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 81.248836] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 81.254654] Bluetooth: hci0: HCI_REQ-0x0c1a [ 81.276654] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 81.279427] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 81.281682] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 81.285691] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 81.287795] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 81.289629] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 81.293688] Bluetooth: hci1: HCI_REQ-0x0c1a [ 81.427426] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 81.428669] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 81.430424] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 81.437373] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 81.438974] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 81.440242] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 81.441030] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 81.441852] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 81.442763] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 81.443312] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 81.445382] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 81.450905] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 81.452335] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 81.455769] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 81.457123] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 81.458612] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 81.460529] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 81.462162] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 81.465666] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 81.466619] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 81.466664] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 81.474753] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 81.475082] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 81.476575] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 81.477603] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 81.480359] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 81.482055] Bluetooth: hci7: HCI_REQ-0x0c1a [ 81.482701] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 81.484425] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 81.485708] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 81.487485] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 81.488331] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 81.489519] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 81.490655] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 81.491216] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 81.501192] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 81.507501] Bluetooth: hci6: HCI_REQ-0x0c1a [ 81.522883] Bluetooth: hci4: HCI_REQ-0x0c1a [ 81.522917] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 81.529546] Bluetooth: hci5: HCI_REQ-0x0c1a [ 81.534382] Bluetooth: hci3: HCI_REQ-0x0c1a [ 81.546642] Bluetooth: hci2: HCI_REQ-0x0c1a [ 83.309645] Bluetooth: hci1: command 0x0409 tx timeout [ 83.310296] Bluetooth: hci0: command 0x0409 tx timeout [ 83.501995] Bluetooth: hci7: command 0x0409 tx timeout [ 83.565125] Bluetooth: hci4: command 0x0409 tx timeout [ 83.565994] Bluetooth: hci6: command 0x0409 tx timeout [ 83.566044] Bluetooth: hci3: command 0x0409 tx timeout [ 83.629442] Bluetooth: hci5: command 0x0409 tx timeout [ 83.630009] Bluetooth: hci2: command 0x0409 tx timeout [ 85.358029] Bluetooth: hci0: command 0x041b tx timeout [ 85.358575] Bluetooth: hci1: command 0x041b tx timeout [ 85.550048] Bluetooth: hci7: command 0x041b tx timeout [ 85.613215] Bluetooth: hci3: command 0x041b tx timeout [ 85.614011] Bluetooth: hci6: command 0x041b tx timeout [ 85.614760] Bluetooth: hci4: command 0x041b tx timeout [ 85.677998] Bluetooth: hci2: command 0x041b tx timeout [ 85.678459] Bluetooth: hci5: command 0x041b tx timeout [ 87.406045] Bluetooth: hci1: command 0x040f tx timeout [ 87.406505] Bluetooth: hci0: command 0x040f tx timeout [ 87.598011] Bluetooth: hci7: command 0x040f tx timeout [ 87.661077] Bluetooth: hci4: command 0x040f tx timeout [ 87.662123] Bluetooth: hci3: command 0x040f tx timeout [ 87.662688] Bluetooth: hci6: command 0x040f tx timeout [ 87.725327] Bluetooth: hci5: command 0x040f tx timeout [ 87.726267] Bluetooth: hci2: command 0x040f tx timeout [ 89.453119] Bluetooth: hci0: command 0x0419 tx timeout [ 89.453800] Bluetooth: hci1: command 0x0419 tx timeout [ 89.645119] Bluetooth: hci7: command 0x0419 tx timeout [ 89.709030] Bluetooth: hci6: command 0x0419 tx timeout [ 89.709633] Bluetooth: hci3: command 0x0419 tx timeout [ 89.710738] Bluetooth: hci4: command 0x0419 tx timeout [ 89.773111] Bluetooth: hci2: command 0x0419 tx timeout [ 89.773695] Bluetooth: hci5: command 0x0419 tx timeout 13:13:15 executing program 4: r0 = socket$inet6_udp(0xa, 0x2, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) sendmmsg$inet6(r1, &(0x7f0000001980)=[{{&(0x7f0000000000)={0x2, 0x4e24, 0x0, @remote}, 0x1c, 0x0}}], 0x1, 0x4008884) dup2(r0, r1) 13:13:15 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f00000015c0), 0x2042, 0x0) 13:13:15 executing program 4: r0 = socket$inet6_udp(0xa, 0x2, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) sendmmsg$inet6(r1, &(0x7f0000001980)=[{{&(0x7f0000000000)={0x2, 0x4e24, 0x0, @remote}, 0x1c, 0x0}}], 0x1, 0x4008884) dup2(r0, r1) 13:13:15 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f00000015c0), 0x2042, 0x0) [ 139.125159] audit: type=1400 audit(1663247595.664:7): avc: denied { open } for pid=3862 comm="syz-executor.1" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 139.127160] audit: type=1400 audit(1663247595.665:8): avc: denied { kernel } for pid=3862 comm="syz-executor.1" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 139.135996] ------------[ cut here ]------------ [ 139.136019] [ 139.136023] ====================================================== [ 139.136026] WARNING: possible circular locking dependency detected [ 139.136031] 6.0.0-rc5-next-20220915 #1 Not tainted [ 139.136038] ------------------------------------------------------ [ 139.136041] syz-executor.1/3863 is trying to acquire lock: [ 139.136047] ffffffff853fa878 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70 [ 139.136087] [ 139.136087] but task is already holding lock: [ 139.136090] ffff88800be6e820 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 139.136118] [ 139.136118] which lock already depends on the new lock. [ 139.136118] [ 139.136122] [ 139.136122] the existing dependency chain (in reverse order) is: [ 139.136125] [ 139.136125] -> #3 (&ctx->lock){....}-{2:2}: [ 139.136139] _raw_spin_lock+0x2a/0x40 [ 139.136158] __perf_event_task_sched_out+0x53b/0x18d0 [ 139.136170] __schedule+0xedd/0x2470 [ 139.136181] schedule+0xda/0x1b0 [ 139.136191] exit_to_user_mode_prepare+0x114/0x1a0 [ 139.136211] syscall_exit_to_user_mode+0x19/0x40 [ 139.136231] do_syscall_64+0x48/0x90 [ 139.136245] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 139.136264] [ 139.136264] -> #2 (&rq->__lock){-.-.}-{2:2}: [ 139.136277] _raw_spin_lock_nested+0x30/0x40 [ 139.136293] raw_spin_rq_lock_nested+0x1e/0x30 [ 139.136306] task_fork_fair+0x63/0x4d0 [ 139.136324] sched_cgroup_fork+0x3d0/0x540 [ 139.136338] copy_process+0x4183/0x6e20 [ 139.136349] kernel_clone+0xe7/0x890 [ 139.136358] user_mode_thread+0xad/0xf0 [ 139.136368] rest_init+0x24/0x250 [ 139.136385] arch_call_rest_init+0xf/0x14 [ 139.136398] start_kernel+0x4c1/0x4e6 [ 139.136408] secondary_startup_64_no_verify+0xe0/0xeb [ 139.136423] [ 139.136423] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 139.136436] _raw_spin_lock_irqsave+0x39/0x60 [ 139.136452] try_to_wake_up+0xab/0x1920 [ 139.136465] up+0x75/0xb0 [ 139.136476] __up_console_sem+0x6e/0x80 [ 139.136493] console_unlock+0x46a/0x590 [ 139.136509] vprintk_emit+0x1bd/0x560 [ 139.136526] vprintk+0x84/0xa0 [ 139.136542] _printk+0xba/0xf1 [ 139.136561] kauditd_hold_skb.cold+0x3f/0x4e [ 139.136576] kauditd_send_queue+0x233/0x290 [ 139.136591] kauditd_thread+0x5da/0x9a0 [ 139.136605] kthread+0x2ed/0x3a0 [ 139.136620] ret_from_fork+0x22/0x30 [ 139.136633] [ 139.136633] -> #0 ((console_sem).lock){....}-{2:2}: [ 139.136646] __lock_acquire+0x2a02/0x5e70 [ 139.136663] lock_acquire+0x1a2/0x530 [ 139.136679] _raw_spin_lock_irqsave+0x39/0x60 [ 139.136695] down_trylock+0xe/0x70 [ 139.136707] __down_trylock_console_sem+0x3b/0xd0 [ 139.136723] vprintk_emit+0x16b/0x560 [ 139.136740] vprintk+0x84/0xa0 [ 139.136757] _printk+0xba/0xf1 [ 139.136774] report_bug.cold+0x72/0xab [ 139.136787] handle_bug+0x3c/0x70 [ 139.136806] exc_invalid_op+0x14/0x50 [ 139.136820] asm_exc_invalid_op+0x16/0x20 [ 139.136837] group_sched_out.part.0+0x2c7/0x460 [ 139.136847] ctx_sched_out+0x8f1/0xc10 [ 139.136857] __perf_event_task_sched_out+0x6d0/0x18d0 [ 139.136869] __schedule+0xedd/0x2470 [ 139.136879] schedule+0xda/0x1b0 [ 139.136889] exit_to_user_mode_prepare+0x114/0x1a0 [ 139.136908] syscall_exit_to_user_mode+0x19/0x40 [ 139.136926] do_syscall_64+0x48/0x90 [ 139.136940] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 139.136957] [ 139.136957] other info that might help us debug this: [ 139.136957] [ 139.136960] Chain exists of: [ 139.136960] (console_sem).lock --> &rq->__lock --> &ctx->lock [ 139.136960] [ 139.136975] Possible unsafe locking scenario: [ 139.136975] [ 139.136977] CPU0 CPU1 [ 139.136980] ---- ---- [ 139.136982] lock(&ctx->lock); [ 139.136988] lock(&rq->__lock); [ 139.136994] lock(&ctx->lock); [ 139.137000] lock((console_sem).lock); [ 139.137006] [ 139.137006] *** DEADLOCK *** [ 139.137006] [ 139.137008] 2 locks held by syz-executor.1/3863: [ 139.137015] #0: ffff88806ce37cd8 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470 [ 139.137041] #1: ffff88800be6e820 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 139.137068] [ 139.137068] stack backtrace: [ 139.137071] CPU: 0 PID: 3863 Comm: syz-executor.1 Not tainted 6.0.0-rc5-next-20220915 #1 [ 139.137084] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 139.137092] Call Trace: [ 139.137096] [ 139.137100] dump_stack_lvl+0x8b/0xb3 [ 139.137116] check_noncircular+0x263/0x2e0 [ 139.137133] ? format_decode+0x26c/0xb50 [ 139.137149] ? print_circular_bug+0x450/0x450 [ 139.137166] ? enable_ptr_key_workfn+0x20/0x20 [ 139.137182] ? format_decode+0x26c/0xb50 [ 139.137197] ? alloc_chain_hlocks+0x1ec/0x5a0 [ 139.137216] __lock_acquire+0x2a02/0x5e70 [ 139.137238] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 139.137261] lock_acquire+0x1a2/0x530 [ 139.137278] ? down_trylock+0xe/0x70 [ 139.137292] ? rcu_read_unlock+0x40/0x40 [ 139.137313] ? vprintk+0x84/0xa0 [ 139.137332] _raw_spin_lock_irqsave+0x39/0x60 [ 139.137348] ? down_trylock+0xe/0x70 [ 139.137361] down_trylock+0xe/0x70 [ 139.137375] ? vprintk+0x84/0xa0 [ 139.137392] __down_trylock_console_sem+0x3b/0xd0 [ 139.137410] vprintk_emit+0x16b/0x560 [ 139.137429] vprintk+0x84/0xa0 [ 139.137448] _printk+0xba/0xf1 [ 139.137466] ? record_print_text.cold+0x16/0x16 [ 139.137489] ? report_bug.cold+0x66/0xab [ 139.137503] ? group_sched_out.part.0+0x2c7/0x460 [ 139.137515] report_bug.cold+0x72/0xab [ 139.137530] handle_bug+0x3c/0x70 [ 139.137545] exc_invalid_op+0x14/0x50 [ 139.137560] asm_exc_invalid_op+0x16/0x20 [ 139.137578] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 139.137591] 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 [ 139.137603] RSP: 0018:ffff88800e027c48 EFLAGS: 00010006 [ 139.137612] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 139.137619] RDX: ffff88800ffed040 RSI: ffffffff81566027 RDI: 0000000000000005 [ 139.137627] RBP: ffff888008660000 R08: 0000000000000005 R09: 0000000000000001 [ 139.137635] R10: 0000000000000000 R11: ffffffff865ac01b R12: ffff88800be6e800 [ 139.137642] R13: ffff88806ce3d100 R14: ffffffff8547faa0 R15: 0000000000000002 [ 139.137654] ? group_sched_out.part.0+0x2c7/0x460 [ 139.137667] ? group_sched_out.part.0+0x2c7/0x460 [ 139.137679] ctx_sched_out+0x8f1/0xc10 [ 139.137692] __perf_event_task_sched_out+0x6d0/0x18d0 [ 139.137707] ? lock_is_held_type+0xd7/0x130 [ 139.137727] ? __perf_cgroup_move+0x160/0x160 [ 139.137738] ? set_next_entity+0x304/0x550 [ 139.137756] ? update_curr+0x267/0x740 [ 139.137775] ? lock_is_held_type+0xd7/0x130 [ 139.137794] __schedule+0xedd/0x2470 [ 139.137808] ? io_schedule_timeout+0x150/0x150 [ 139.137821] ? __x64_sys_futex_time32+0x480/0x480 [ 139.137835] schedule+0xda/0x1b0 [ 139.137847] exit_to_user_mode_prepare+0x114/0x1a0 [ 139.137868] syscall_exit_to_user_mode+0x19/0x40 [ 139.137887] do_syscall_64+0x48/0x90 [ 139.137901] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 139.137920] RIP: 0033:0x7f7457fccb19 [ 139.137929] 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 [ 139.137940] RSP: 002b:00007f7455542218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 139.137950] RAX: 0000000000000001 RBX: 00007f74580dff68 RCX: 00007f7457fccb19 [ 139.137958] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f74580dff6c [ 139.137965] RBP: 00007f74580dff60 R08: 000000000000000e R09: 0000000000000000 [ 139.137972] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f74580dff6c [ 139.137979] R13: 00007ffe6d359b4f R14: 00007f7455542300 R15: 0000000000022000 [ 139.137992] [ 139.195373] WARNING: CPU: 0 PID: 3863 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460 [ 139.196095] Modules linked in: [ 139.196345] CPU: 0 PID: 3863 Comm: syz-executor.1 Not tainted 6.0.0-rc5-next-20220915 #1 [ 139.196969] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 139.197816] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 139.198239] 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 [ 139.199601] RSP: 0018:ffff88800e027c48 EFLAGS: 00010006 [ 139.200014] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 139.200555] RDX: ffff88800ffed040 RSI: ffffffff81566027 RDI: 0000000000000005 [ 139.201107] RBP: ffff888008660000 R08: 0000000000000005 R09: 0000000000000001 [ 139.201642] R10: 0000000000000000 R11: ffffffff865ac01b R12: ffff88800be6e800 [ 139.202180] R13: ffff88806ce3d100 R14: ffffffff8547faa0 R15: 0000000000000002 [ 139.202721] FS: 00007f7455542700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 139.203334] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 139.203781] CR2: 00007f7db47e1000 CR3: 000000003fa66000 CR4: 0000000000350ef0 [ 139.204319] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 139.204868] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 [ 139.205404] Call Trace: [ 139.205607] [ 139.205786] ctx_sched_out+0x8f1/0xc10 [ 139.206094] __perf_event_task_sched_out+0x6d0/0x18d0 [ 139.206501] ? lock_is_held_type+0xd7/0x130 [ 139.206849] ? __perf_cgroup_move+0x160/0x160 [ 139.207198] ? set_next_entity+0x304/0x550 [ 139.207538] ? update_curr+0x267/0x740 [ 139.207853] ? lock_is_held_type+0xd7/0x130 [ 139.208196] __schedule+0xedd/0x2470 [ 139.208488] ? io_schedule_timeout+0x150/0x150 [ 139.208865] ? __x64_sys_futex_time32+0x480/0x480 [ 139.209247] schedule+0xda/0x1b0 [ 139.209517] exit_to_user_mode_prepare+0x114/0x1a0 [ 139.209898] syscall_exit_to_user_mode+0x19/0x40 [ 139.210271] do_syscall_64+0x48/0x90 [ 139.210561] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 139.210966] RIP: 0033:0x7f7457fccb19 [ 139.211255] 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 [ 139.212633] RSP: 002b:00007f7455542218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 139.213207] RAX: 0000000000000001 RBX: 00007f74580dff68 RCX: 00007f7457fccb19 [ 139.213744] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f74580dff6c [ 139.214286] RBP: 00007f74580dff60 R08: 000000000000000e R09: 0000000000000000 [ 139.214823] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f74580dff6c [ 139.215359] R13: 00007ffe6d359b4f R14: 00007f7455542300 R15: 0000000000022000 [ 139.215911] [ 139.216094] irq event stamp: 846 [ 139.216353] hardirqs last enabled at (845): [] exit_to_user_mode_prepare+0x109/0x1a0 [ 139.217084] hardirqs last disabled at (846): [] __schedule+0x1225/0x2470 [ 139.217716] softirqs last enabled at (730): [] __irq_exit_rcu+0x11b/0x180 [ 139.218365] softirqs last disabled at (725): [] __irq_exit_rcu+0x11b/0x180 [ 139.219015] ---[ end trace 0000000000000000 ]--- 13:13:15 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f00000015c0), 0x2042, 0x0) 13:13:15 executing program 4: r0 = socket$inet6_udp(0xa, 0x2, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) sendmmsg$inet6(r1, &(0x7f0000001980)=[{{&(0x7f0000000000)={0x2, 0x4e24, 0x0, @remote}, 0x1c, 0x0}}], 0x1, 0x4008884) dup2(r0, r1) 13:13:15 executing program 1: r0 = shmget$private(0x0, 0x3000, 0x0, &(0x7f0000ff4000/0x3000)=nil) perf_event_open(&(0x7f0000000180)={0x5, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={0x0, 0x1}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) shmat(r0, &(0x7f0000ffb000/0x4000)=nil, 0x4000) 13:13:15 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f00000015c0), 0x2042, 0x0) [ 139.844320] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 139.845364] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 140.347766] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 140.348560] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 142.457132] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 142.458744] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 142.462885] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 142.466892] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 142.468974] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 142.470536] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 142.476280] Bluetooth: hci4: HCI_REQ-0x0c1a [ 142.520142] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 142.521888] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 142.523506] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 142.526329] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 142.528517] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 142.530141] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 142.534337] Bluetooth: hci7: HCI_REQ-0x0c1a [ 144.428997] Bluetooth: hci0: Opcode 0x c03 failed: -110 [ 144.493982] Bluetooth: hci4: command 0x0409 tx timeout [ 144.556988] Bluetooth: hci7: command 0x0409 tx timeout [ 146.541506] Bluetooth: hci4: command 0x041b tx timeout [ 146.604982] Bluetooth: hci7: command 0x041b tx timeout [ 148.588992] Bluetooth: hci4: command 0x040f tx timeout [ 148.652982] Bluetooth: hci7: command 0x040f tx timeout [ 148.717003] Bluetooth: hci0: Opcode 0x c03 failed: -110 VM DIAGNOSIS: 13:13:15 Registers: info registers vcpu 0 RAX=000000000000006c RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff822b29f1 RDI=ffffffff87641ba0 RBP=ffffffff87641b60 RSP=ffff88800e027698 R8 =0000000000000001 R9 =000000000000000a R10=000000000000006c R11=0000000000000001 R12=000000000000006c R13=ffffffff87641b60 R14=0000000000000010 R15=ffffffff822b29e0 RIP=ffffffff822b2a49 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 00007f7455542700 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=00007f7db47e1000 CR3=000000003fa66000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000600 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 00007f74580b37c0 00007f74580b37c8 YMM02=0000000000000000 0000000000000000 00007f74580b37e0 00007f74580b37c0 YMM03=0000000000000000 0000000000000000 00007f74580b37c8 00007f74580b37c0 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 info registers vcpu 1 RAX=0000000000000000 RBX=0000000000000001 RCX=ffffffff84264287 RDX=ffffed100d9c6f99 RSI=0000000000000004 RDI=ffff88806ce37cc0 RBP=ffff88806ce37cc0 RSP=ffff888009ab7a98 R8 =0000000000000000 R9 =ffff88806ce37cc3 R10=ffffed100d9c6f98 R11=0000000000000001 R12=0000000000000003 R13=ffffed100d9c6f98 R14=0000000000000001 R15=1ffff11001356f54 RIP=ffffffff84264304 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 00007fcafbd658c0 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=00007f093ce0e018 CR3=000000000eabe000 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 ffffffffffffffff ffffffffffffffff YMM01=0000000000000000 0000000000000000 6c6175747269762f 736563697665642f YMM02=0000000000000000 0000000000000000 ffffff0f0e0d0c0b 0a09080706050403 YMM03=0000000000000000 0000000000000000 696e656420737365 636341002f737973 YMM04=0000000000000000 0000000000000000 0000564e01f335f0 0000564e01f335d0 YMM05=0000000000000000 0000000000000000 0100ff0100000101 0000000200000006 YMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM08=0000000000000000 0000000000000000 7269762f73656369 7665642f7379732f YMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM10=0000000000000000 0000000000000000 0000000000002000 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