l3iGG._ޚ2}f[uo!'!E:VD$3OJe_"j^9X xצo/<cڦ9ɲrOeZ[=9{]^yj :\=ÌoJB95^KW/fzF|S-E޿C^=ixT.Bqg)MZu ^)YI;ԝΊ$Zi z|d(][BpWZ= #ho'5j!ÌSSk("Vx(Y;1"=і-siYr hub 9-0:1.0: USB hub found hub 9-0:1.0: 8 ports detected sit: non-ECT from 0.0.0.0 with TOS=0x2 BUG: MAX_LOCKDEP_CHAINS too low! turning off the locking correctness validator. CPU: 0 PID: 11852 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 add_chain_cache kernel/locking/lockdep.c:2259 [inline] lookup_chain_cache_add kernel/locking/lockdep.c:2371 [inline] validate_chain kernel/locking/lockdep.c:2391 [inline] __lock_acquire.cold+0x420/0x57e kernel/locking/lockdep.c:3416 lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3908 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:144 perf_event_context_sched_out kernel/events/core.c:3145 [inline] __perf_event_task_sched_out+0xa49/0x1470 kernel/events/core.c:3237 perf_event_task_sched_out include/linux/perf_event.h:1132 [inline] prepare_task_switch kernel/sched/core.c:2612 [inline] context_switch kernel/sched/core.c:2793 [inline] __schedule+0xd8a/0x2040 kernel/sched/core.c:3517 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:3641 ___preempt_schedule+0x16/0x18 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline] _raw_spin_unlock_irqrestore+0xaf/0xe0 kernel/locking/spinlock.c:184 __setup_irq+0xc37/0x1ac0 kernel/irq/manage.c:1550 request_threaded_irq+0x28a/0x3b0 kernel/irq/manage.c:1931 request_irq include/linux/interrupt.h:147 [inline] serial_link_irq_chain drivers/tty/serial/8250/8250_core.c:215 [inline] univ8250_setup_irq+0x74a/0x8f0 drivers/tty/serial/8250/8250_core.c:340 serial8250_do_startup+0xb29/0x2130 drivers/tty/serial/8250/8250_port.c:2323 serial8250_startup+0x5c/0x80 drivers/tty/serial/8250/8250_port.c:2434 uart_port_startup+0x3f4/0x8c0 drivers/tty/serial/serial_core.c:218 uart_startup drivers/tty/serial/serial_core.c:257 [inline] uart_startup drivers/tty/serial/serial_core.c:248 [inline] uart_port_activate+0x18a/0x250 drivers/tty/serial/serial_core.c:1756 tty_port_open+0x130/0x1c0 drivers/tty/tty_port.c:696 uart_open+0x3e/0x60 drivers/tty/serial/serial_core.c:1734 tty_open+0x280/0x990 drivers/tty/tty_io.c:2046 chrdev_open+0x266/0x770 fs/char_dev.c:423 do_dentry_open+0x4aa/0x1160 fs/open.c:796 do_last fs/namei.c:3421 [inline] path_openat+0x793/0x2df0 fs/namei.c:3537 do_filp_open+0x18c/0x3f0 fs/namei.c:3567 do_sys_open+0x3b3/0x520 fs/open.c:1085 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f3d7b4b50f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f3d799e5168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f3d7b5d5120 RCX: 00007f3d7b4b50f9 RDX: 0000000000000000 RSI: 0000000020000640 RDI: ffffffffffffff9c RBP: 00007f3d7b510ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff16e4d30f R14: 00007f3d799e5300 R15: 0000000000022000 audit: type=1107 audit(1678148917.420:1437): pid=11835 uid=0 auid=4294967295 ses=4294967295 subj==unconfined msg='Ƈidsھv|a·ަVrryq8򄊉#s KvHcV$ }A鍃sfǰi鍮_$)WK!R+}DojB⤆4WJc…d$%I^:sx k,ZG.- St奈[+e@m@Ӓ+օpe B5"؛"9hՉ'_33MVxjZ[Jj)_ ͡ Ɉsלwy l3iGG._ޚ2}f[uo!'!E:VD$3OJe_"j^9X xצo/<cڦ9ɲrOeZ[=9{]^yj :\=ÌoJB95^KW/fzF|S-E޿C^=ixT.Bqg)MZu ^)YI;ԝΊ$Zi z|d(][BpWZ= #ho'5j!ÌSSk("Vx(Y;1"=і-siYr audit: type=1107 audit(1678148917.420:1438): pid=11835 uid=0 auid=4294967295 ses=4294967295 subj==unconfined msg='Ƈidsھv|a·ަVrryq8򄊉#s KvHcV$ }A鍃sfǰi鍮_$)WK!R+}DojB⤆4WJc…d$%I^:sx k,ZG.- St奈[+e@m@Ӓ+օpe B5"؛"9hՉ'_33MVxjZ[Jj)_ ͡ Ɉsלwy l3iGG._ޚ2}f[uo!'!E:VD$3OJe_"j^9X xצo/<cڦ9ɲrOeZ[=9{]^yj :\=ÌoJB95^KW/fzF|S-E޿C^=ixT.Bqg)MZu ^)YI;ԝΊ$Zi z|d(][BpWZ= #ho'5j!ÌSSk("Vx(Y;1"=і-siYr hub 9-0:1.0: USB hub found xt_connbytes: Forcing CT accounting to be enabled hub 9-0:1.0: 8 ports detected sit: non-ECT from 0.0.0.0 with TOS=0x2 sit: non-ECT from 0.0.0.0 with TOS=0x2 sit: non-ECT from 0.0.0.0 with TOS=0x2 sit: non-ECT from 0.0.0.0 with TOS=0x2 sit: non-ECT from 0.0.0.0 with TOS=0x2 sit: non-ECT from 0.0.0.0 with TOS=0x2 sit: non-ECT from 0.0.0.0 with TOS=0x2 sit: non-ECT from 0.0.0.0 with TOS=0x2 sit: non-ECT from 0.0.0.0 with TOS=0x2 hub 9-0:1.0: USB hub found hub 9-0:1.0: 8 ports detected IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue IPVS: ftp: loaded support on port[0] = 21 EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue ubi0: attaching mtd0 ubi0: scanning is finished ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 ubi0: VID header offset: 64 (aligned 64), data offset: 128 ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23 ubi0: max/mean erase counter: 1/1, WL threshold: 4096, image sequence number: 2677939287 ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 ubi0: background thread "ubi_bgt0d" started, PID 12310 Bluetooth: hci3: command 0x0406 tx timeout ubi: mtd0 is already attached to ubi0 ubi: mtd0 is already attached to ubi0 kauditd_printk_skb: 38 callbacks suppressed audit: type=1800 audit(1678148928.070:1477): pid=12587 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.1" name="file0" dev="sda1" ino=14703 res=0 snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present audit: type=1800 audit(1678148928.940:1478): pid=12665 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.1" name="file0" dev="sda1" ino=14699 res=0 snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present audit: type=1800 audit(1678148929.770:1479): pid=12746 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.1" name="file0" dev="sda1" ino=14768 res=0 snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present