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List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1aae:b0:397:7dd7:bea5 with SMTP id e9e14a558f8ab-398e17ac737mr1615815ab.0.1721449523918; Fri, 19 Jul 2024 21:25:23 -0700 (PDT) Date: Fri, 19 Jul 2024 21:25:23 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000005f49c2061da633f4@google.com> Subject: [syzbot] [net?] INFO: rcu detected stall in lapb_t1timer_expiry (2) From: syzbot To: davem@davemloft.net, edumazet@google.com, jhs@mojatatu.com, jiri@resnulli.us, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com, xiyou.wangcong@gmail.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 5e0497553643 Merge branch 'link_path_walk' git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=167a7149980000 kernel config: https://syzkaller.appspot.com/x/.config?x=b459dd7449326b1f dashboard link: https://syzkaller.appspot.com/bug?extid=0ad4cda8077288e1b15d compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=116f0be1980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=117a7149980000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/8379effc488a/disk-5e049755.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/15d272e97422/vmlinux-5e049755.xz kernel image: https://storage.googleapis.com/syzbot-assets/35ecaef6865c/bzImage-5e049755.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+0ad4cda8077288e1b15d@syzkaller.appspotmail.com rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2664 jiffies s: 601 root: 0x2/. rcu: blocking rcu_node structures (internal RCU debug): Sending NMI from CPU 0 to CPUs 1: gspca_pac7302 1-1:0.0: URB error -71, resubmitting NMI backtrace for cpu 1 CPU: 1 PID: 1671 Comm: kworker/1:2 Not tainted 6.10.0-syzkaller-00017-g5e0497553643 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 Workqueue: events request_firmware_work_func RIP: 0010:number+0x313/0xf90 lib/vsprintf.c:500 Code: 03 42 0f b6 04 28 84 c0 4c 8b 74 24 30 0f 85 0f 0c 00 00 88 9c 24 80 00 00 00 41 bc 01 00 00 00 e9 3d 01 00 00 bf 0a 00 00 00 <89> de e8 16 0f 1f f6 83 fb 0a 75 23 e8 cc 0a 1f f6 48 8d 9c 24 80 RSP: 0018:ffffc90000a17340 EFLAGS: 00000002 RAX: 0000000000010505 RBX: 000000000000000a RCX: ffff888024388000 RDX: 0000000000010505 RSI: 000000000000000a RDI: 000000000000000a RBP: ffffc90000a17450 R08: ffffffff8b771d69 R09: 0000000000000000 R10: ffffc90000a173c0 R11: fffff52000142e7b R12: 00000000ffff0a00 R13: dffffc0000000000 R14: 000000000000008d R15: ffffc90000a177a1 FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0ee01f60f0 CR3: 000000007c4b8000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: vsnprintf+0x1542/0x1da0 lib/vsprintf.c:2890 sprintf+0xda/0x120 lib/vsprintf.c:3028 print_time kernel/printk/printk.c:1330 [inline] info_print_prefix+0x16b/0x310 kernel/printk/printk.c:1356 record_print_text kernel/printk/printk.c:1405 [inline] printk_get_next_message+0x6da/0xbe0 kernel/printk/printk.c:2840 console_emit_next_record kernel/printk/printk.c:2880 [inline] console_flush_all+0x410/0xfd0 kernel/printk/printk.c:2979 console_unlock+0x13b/0x4d0 kernel/printk/printk.c:3048 vprintk_emit+0x5a6/0x770 kernel/printk/printk.c:2348 _printk+0xd5/0x120 kernel/printk/printk.c:2373 int_irq+0x1bd/0x250 drivers/media/usb/gspca/gspca.c:104 __usb_hcd_giveback_urb+0x42c/0x6e0 drivers/usb/core/hcd.c:1650 dummy_timer+0x830/0x45d0 drivers/usb/gadget/udc/dummy_hcd.c:1987 __run_hrtimer kernel/time/hrtimer.c:1689 [inline] __hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1753 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1815 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline] __sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1049 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x2f/0x70 kernel/kcov.c:207 Code: 8b 04 24 65 48 8b 0c 25 80 d4 03 00 65 8b 15 c0 ab 6d 7e f7 c2 00 01 ff 00 74 11 f7 c2 00 01 00 00 74 35 83 b9 1c 16 00 00 00 <74> 2c 8b 91 f8 15 00 00 83 fa 02 75 21 48 8b 91 00 16 00 00 48 8b RSP: 0018:ffffc90000a185f8 EFLAGS: 00000246 RAX: ffffffff894e6502 RBX: 0000000000000001 RCX: ffff888024388000 RDX: 0000000000000504 RSI: ffffffff8c1f5520 RDI: ffffffff8c1f54e0 RBP: ffff8880222d6000 R08: ffffffff894e64f0 R09: 1ffffffff25eecb0 R10: dffffc0000000000 R11: fffffbfff25eecb1 R12: ffff888015b55dc0 R13: dffffc0000000000 R14: ffff8880222d6008 R15: 0000000000000000 rcu_read_lock include/linux/rcupdate.h:782 [inline] dev_queue_xmit_nit+0x72/0xc10 net/core/dev.c:2292 xmit_one net/core/dev.c:3574 [inline] dev_hard_start_xmit+0x15f/0x7e0 net/core/dev.c:3594 sch_direct_xmit+0x2b6/0x5f0 net/sched/sch_generic.c:343 __dev_xmit_skb net/core/dev.c:3807 [inline] __dev_queue_xmit+0x1a24/0x3d30 net/core/dev.c:4359 lapb_data_transmit+0x91/0xb0 net/lapb/lapb_iface.c:447 lapb_transmit_buffer+0x168/0x1f0 net/lapb/lapb_out.c:149 lapb_t1timer_expiry+0x6b8/0xb20 call_timer_fn+0x18e/0x650 kernel/time/timer.c:1792 expire_timers kernel/time/timer.c:1843 [inline] __run_timers kernel/time/timer.c:2417 [inline] __run_timer_base+0x66a/0x8e0 kernel/time/timer.c:2428 run_timer_base kernel/time/timer.c:2437 [inline] run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2447 handle_softirqs+0x2c4/0x970 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:console_flush_all+0xaad/0xfd0 kernel/printk/printk.c:2985 Code: ff ff e8 b6 ce 1f 00 90 0f 0b 90 e9 d8 f8 ff ff e8 a8 ce 1f 00 e8 c3 4c 07 0a 4d 85 f6 74 b6 e8 99 ce 1f 00 fb 48 8b 44 24 70 <42> 0f b6 04 38 84 c0 48 8b 7c 24 30 0f 85 22 02 00 00 0f b6 1f 31 RSP: 0018:ffffc90004daf5a0 EFLAGS: 00000293 RAX: 1ffff920009b5f00 RBX: 0000000000000000 RCX: ffff888024388000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90004daf750 R08: ffffffff817659b4 R09: 1ffffffff25eecc2 R10: dffffc0000000000 R11: fffffbfff25eecc3 R12: ffffffff8eb13378 R13: ffffffff8eb13320 R14: 0000000000000200 R15: dffffc0000000000 console_unlock+0x13b/0x4d0 kernel/printk/printk.c:3048 vprintk_emit+0x5a6/0x770 kernel/printk/printk.c:2348 _printk+0xd5/0x120 kernel/printk/printk.c:2373 regdb_fw_cb+0x19f/0x1c0 request_firmware_work_func+0x1a4/0x280 drivers/base/firmware_loader/main.c:1167 process_one_work kernel/workqueue.c:3248 [inline] process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3329 worker_thread+0x86d/0xd50 kernel/workqueue.c:3409 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 4.311 msecs gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_main: Resubmit URB failed with error -19 gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_main: Resubmit URB failed with error -19 gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_main: Resubmit URB failed with error -19 gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_main: Resubmit URB failed with error -19 gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_pac7302 1-1:0.0: URB error -71, resubmitting gspca_main: Resubmit URB failed with error -19 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup