Hello, syzbot found the following issue on: HEAD commit: c75962170e49 Add linux-next specific files for 20240517 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=12bcb182980000 kernel config: https://syzkaller.appspot.com/x/.config?x=fba88766130220e8 dashboard link: https://syzkaller.appspot.com/bug?extid=041bf9d823ca07fe3563 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=1232f96c980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16054e3f180000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/21696f8048a3/disk-c7596217.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/b8c71f928633/vmlinux-c7596217.xz kernel image: https://storage.googleapis.com/syzbot-assets/350bfc6c0a6a/bzImage-c7596217.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+041bf9d823ca07fe3563@xxxxxxxxxxxxxxxxxxxxxxxxx yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P4537/1:b..l P5233/3:b..l P5232/1:b..l rcu: (detected by 0, t=10505 jiffies, g=5897, q=114 ncpus=2) task:syz-executor142 state:R running task stack:26416 pid:5232 tgid:5232 ppid:5114 flags:0x00004006 Call Trace: <TASK> context_switch kernel/sched/core.c:5408 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6745 preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6924 preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6948 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12 __raw_spin_unlock include/linux/spinlock_api_smp.h:143 [inline] _raw_spin_unlock+0x3e/0x50 kernel/locking/spinlock.c:186 spin_unlock include/linux/spinlock.h:391 [inline] zap_pte_range mm/memory.c:1682 [inline] zap_pmd_range mm/memory.c:1730 [inline] zap_pud_range mm/memory.c:1759 [inline] zap_p4d_range mm/memory.c:1780 [inline] unmap_page_range+0x4206/0x4d00 mm/memory.c:1801 unmap_vmas+0x3cc/0x5f0 mm/memory.c:1891 exit_mmap+0x264/0xc80 mm/mmap.c:3341 __mmput+0x115/0x3c0 kernel/fork.c:1346 exit_mm+0x220/0x310 kernel/exit.c:565 do_exit+0x9aa/0x27e0 kernel/exit.c:861 do_group_exit+0x207/0x2c0 kernel/exit.c:1023 get_signal+0x16a1/0x1740 kernel/signal.c:2909 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:310 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218 do_syscall_64+0x102/0x240 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f089f6322ab RSP: 002b:00007fffee3373e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 00007f089f6322ab RDX: 00007fffee3384b0 RSI: 0000000080085502 RDI: 0000000000000003 RBP: 00007fffee3384b0 R08: 0000000000000010 R09: 00322e6364755f79 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000800000000 R13: 00007f089f6ab3c0 R14: 00007fffee337480 R15: 00007fffee339510 </TASK> task:syz-executor142 state:R running task stack:27088 pid:5233 tgid:5233 ppid:5115 flags:0x00000002 Call Trace: <TASK> context_switch kernel/sched/core.c:5408 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6745 preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6924 preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6948 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12 __raw_spin_unlock include/linux/spinlock_api_smp.h:143 [inline] _raw_spin_unlock+0x3e/0x50 kernel/locking/spinlock.c:186 spin_unlock include/linux/spinlock.h:391 [inline] filemap_map_pages+0x1707/0x1e70 mm/filemap.c:3655 do_fault_around mm/memory.c:4884 [inline] do_read_fault mm/memory.c:4917 [inline] do_fault mm/memory.c:5056 [inline] do_pte_missing mm/memory.c:3903 [inline] handle_pte_fault+0x3bff/0x70f0 mm/memory.c:5380 __handle_mm_fault mm/memory.c:5523 [inline] handle_mm_fault+0x10df/0x1ba0 mm/memory.c:5688 do_user_addr_fault arch/x86/mm/fault.c:1338 [inline] handle_page_fault arch/x86/mm/fault.c:1481 [inline] exc_page_fault+0x459/0x8c0 arch/x86/mm/fault.c:1539 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0033:0x7f089f630433 RSP: 002b:00007fffee3393f8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f089f630433 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 0000000000000000 R08: 0000000000000000 R09: 7fffffffffffffff R10: 0000555563b7f650 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fffee33950c R14: 00007fffee339520 R15: 00007fffee339510 </TASK> task:klogd state:R running task stack:23672 pid:4537 tgid:4537 ppid:1 flags:0x00000002 Call Trace: <TASK> context_switch kernel/sched/core.c:5408 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6745 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7067 irqentry_exit+0x5e/0x90 kernel/entry/common.c:354 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:lock_acquire+0x264/0x550 kernel/locking/lockdep.c:5758 Code: 2b 00 74 08 4c 89 f7 e8 ca ad 89 00 f6 44 24 61 02 0f 85 85 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25 RSP: 0018:ffffc9000365f140 EFLAGS: 00000206 RAX: 0000000000000001 RBX: 1ffff920006cbe34 RCX: 0000000000000001 RDX: dffffc0000000000 RSI: ffffffff8bcacae0 RDI: ffffffff8c1fe400 RBP: ffffc9000365f288 R08: ffffffff92fb8587 R09: 1ffffffff25f70b0 R10: dffffc0000000000 R11: fffffbfff25f70b1 R12: 1ffff920006cbe30 R13: dffffc0000000000 R14: ffffc9000365f1a0 R15: 0000000000000246 rcu_lock_acquire include/linux/rcupdate.h:329 [inline] rcu_read_lock include/linux/rcupdate.h:781 [inline] is_bpf_text_address+0x46/0x2a0 kernel/bpf/core.c:768 kernel_text_address+0xa7/0xe0 kernel/extable.c:125 __kernel_text_address+0xd/0x40 kernel/extable.c:79 unwind_get_return_address+0x5d/0xc0 arch/x86/kernel/unwind_orc.c:369 arch_stack_walk+0x125/0x1b0 arch/x86/kernel/stacktrace.c:26 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 unpoison_slab_object mm/kasan/common.c:312 [inline] __kasan_slab_alloc+0x66/0x80 mm/kasan/common.c:338 kasan_slab_alloc include/linux/kasan.h:201 [inline] slab_post_alloc_hook mm/slub.c:3940 [inline] slab_alloc_node mm/slub.c:4000 [inline] kmem_cache_alloc_node_noprof+0x16b/0x320 mm/slub.c:4043 __alloc_skb+0x1c3/0x440 net/core/skbuff.c:656 alloc_skb include/linux/skbuff.h:1308 [inline] alloc_skb_with_frags+0xc3/0x770 net/core/skbuff.c:6504 sock_alloc_send_pskb+0x91a/0xa60 net/core/sock.c:2794 unix_dgram_sendmsg+0x6d3/0x1f80 net/unix/af_unix.c:1972 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:745 __sys_sendto+0x3a4/0x4f0 net/socket.c:2192 __do_sys_sendto net/socket.c:2204 [inline] __se_sys_sendto net/socket.c:2200 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2200 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f564abe09b5 RSP: 002b:00007ffc60f0d2f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f564abe09b5 RDX: 0000000000000065 RSI: 000055a8742bdcb0 RDI: 0000000000000003 RBP: 000055a8742b9910 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000013 R13: 00007f564ad6e212 R14: 00007ffc60f0d3f8 R15: 0000000000000000 </TASK> rcu: rcu_preempt kthread starved for 1165 jiffies! g5897 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:R running task stack:24880 pid:17 tgid:17 ppid:2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5408 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6745 __schedule_loop kernel/sched/core.c:6822 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6837 schedule_timeout+0x1be/0x310 kernel/time/timer.c:2581 rcu_gp_fqs_loop+0x2df/0x1370 kernel/rcu/tree.c:2000 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2202 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 </TASK> rcu: Stack dump where RCU GP kthread last ran: CPU: 0 PID: 4761 Comm: dhcpcd Not tainted 6.9.0-next-20240517-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:rcu_dynticks_curr_cpu_in_eqs include/linux/context_tracking.h:122 [inline] RIP: 0010:rcu_is_watching+0x3a/0xb0 kernel/rcu/tree.c:724 Code: e8 ab d9 0e 0a 89 c3 83 f8 08 73 7a 49 bf 00 00 00 00 00 fc ff df 4c 8d 34 dd e0 b9 db 8d 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 <74> 08 4c 89 f7 e8 fc bd 7f 00 48 c7 c3 08 7d 03 00 49 03 1e 48 89 RSP: 0018:ffffc90002f9fcd0 EFLAGS: 00000246 RAX: 1ffffffff1bb773c RBX: 0000000000000000 RCX: ffff88802aca0000 RDX: dffffc0000000000 RSI: ffffffff8c1fe3e0 RDI: ffffffff8c1fe3a0 RBP: ffffc90002f9fdf0 R08: ffffffff92fb8587 R09: 1ffffffff25f70b0 R10: dffffc0000000000 R11: fffffbfff25f70b1 R12: dffffc0000000000 R13: 0000000000000000 R14: ffffffff8ddbb9e0 R15: dffffc0000000000 FS: 00007fc5d90f3740(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fffee3393f8 CR3: 000000002e10c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <IRQ> </IRQ> <TASK> rcu_read_lock_held_common kernel/rcu/update.c:109 [inline] rcu_read_lock_held+0x15/0x50 kernel/rcu/update.c:349 sched_mm_cid_remote_clear_old kernel/sched/core.c:11898 [inline] task_mm_cid_work+0x438/0x7c0 kernel/sched/core.c:11957 task_work_run+0x24f/0x310 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x102/0x240 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc5d91c1d49 Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 RSP: 002b:00007fffb1c3abb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: 0000000000000000 RBX: 000055f8670b3190 RCX: 00007fc5d91c1d49 RDX: 00007fffb1c3abc0 RSI: 0000000000008921 RDI: 0000000000000011 RBP: 0000000000000000 R08: 0000000000000008 R09: 0000000000000036 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffb1c3abc0 R13: 000055f866e63f88 R14: 000055f8670b3190 R15: 000055f8670b9740 </TASK> yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 --- 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@xxxxxxxxxxxxxxxx. 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