yurex 5-1:0.150: yurex_interrupt - unknown status received: -71 usb 5-1: USB disconnect, device number 106 yurex 5-1:0.150: yurex_interrupt - unknown status received: -71 kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN PTI CPU: 1 PID: 9823 Comm: syz-executor.4 Not tainted 5.1.0-rc5-319617-gd34f951 #4 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:dev_name include/linux/device.h:1087 [inline] RIP: 0010:__dev_printk+0x3f/0x215 drivers/base/core.c:3208 Code: 89 f5 53 e8 1e 24 1c fc 48 85 ed 0f 84 c9 01 00 00 e8 10 24 1c fc 48 8d 7d 50 b8 ff ff 37 00 48 89 fa 48 c1 e0 2a 48 c1 ea 03 <80> 3c 02 00 74 05 e8 31 39 53 fc 4c 8b 7d 50 4d 85 ff 75 28 e8 e3 RSP: 0018:ffff8880ad107930 EFLAGS: 00010002 RAX: dffffc0000000000 RBX: ffffed1015a20f2d RCX: 00000000ffffffed RDX: 0000000000000010 RSI: ffffffff85559bf0 RDI: 0000000000000080 RBP: 0000000000000030 R08: ffff8880a0260000 R09: ffffed1015a24fc9 R10: ffffed1015a24fc8 R11: ffff8880ad127e47 R12: ffffffff8f031a00 R13: ffff8880ad107988 R14: 0000000000000000 R15: ffff888091a62200 FS: 00007face086a700(0000) GS:ffff8880ad100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5d7321b000 CR3: 0000000073d70000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: _dev_err+0xdc/0x10e drivers/base/core.c:3251 yurex_interrupt.cold+0x12e/0x13d drivers/usb/misc/yurex.c:183 __usb_hcd_giveback_urb+0x1f4/0x470 drivers/usb/core/hcd.c:1758 usb_hcd_giveback_urb+0x346/0x400 drivers/usb/core/hcd.c:1823 dummy_timer+0x100b/0x32c0 drivers/usb/gadget/udc/dummy_hcd.c:1968 call_timer_fn+0x161/0x5f0 kernel/time/timer.c:1325 expire_timers kernel/time/timer.c:1362 [inline] __run_timers kernel/time/timer.c:1681 [inline] __run_timers kernel/time/timer.c:1649 [inline] run_timer_softirq+0x58b/0x1400 kernel/time/timer.c:1694 __do_softirq+0x22a/0x8cd kernel/softirq.c:293 invoke_softirq kernel/softirq.c:374 [inline] irq_exit+0x187/0x1b0 kernel/softirq.c:414 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0xfe/0x4a0 arch/x86/kernel/apic/apic.c:1062 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 RIP: 0010:kasan_mem_to_shadow include/linux/kasan.h:28 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:135 [inline] RIP: 0010:memory_is_poisoned mm/kasan/generic.c:166 [inline] RIP: 0010:check_memory_region_inline mm/kasan/generic.c:182 [inline] RIP: 0010:check_memory_region+0x39/0x180 mm/kasan/generic.c:191 Code: ff 7f ff ff 0f b6 d2 48 39 c7 0f 86 f9 00 00 00 4c 8d 5c 37 ff 41 54 48 b8 00 00 00 00 00 fc ff df 4d 89 da 55 49 c1 ea 03 53 <48> 89 fb 49 01 c2 48 c1 eb 03 49 8d 6a 01 48 01 c3 49 89 e9 48 89 RSP: 0018:ffff8880988076b8 EFLAGS: 00000a06 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: ffff8880ad12e080 RCX: ffffffff815f04dc RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880ad12e138 RBP: ffff8880ad12e138 R08: ffff8880a0260000 R09: fffff940003abc37 R10: 1ffff11015a25c27 R11: ffff8880ad12e13b R12: ffffea0001d5e188 R13: 0000000000000000 R14: 0000000000000000 R15: dead000000000100 atomic_read include/asm-generic/atomic-instrumented.h:26 [inline] rcu_dynticks_curr_cpu_in_eqs kernel/rcu/tree.c:297 [inline] rcu_is_watching+0x2c/0x80 kernel/rcu/tree.c:944 rcu_read_unlock include/linux/rcupdate.h:645 [inline] __unlock_page_memcg+0x79/0x100 mm/memcontrol.c:1944 page_remove_file_rmap mm/rmap.c:1251 [inline] page_remove_rmap+0x47c/0xd00 mm/rmap.c:1302 zap_pte_range mm/memory.c:1091 [inline] zap_pmd_range mm/memory.c:1193 [inline] zap_pud_range mm/memory.c:1222 [inline] zap_p4d_range mm/memory.c:1243 [inline] unmap_page_range+0xc8e/0x1e70 mm/memory.c:1264 unmap_single_vma+0x19b/0x310 mm/memory.c:1309 unmap_vmas+0x10b/0x250 mm/memory.c:1340 exit_mmap+0x285/0x4d0 mm/mmap.c:3138 __mmput kernel/fork.c:1046 [inline] mmput+0x158/0x4a0 kernel/fork.c:1067 exit_mm kernel/exit.c:546 [inline] do_exit+0x7f0/0x2e10 kernel/exit.c:863 do_group_exit+0x12a/0x350 kernel/exit.c:980 get_signal+0x3a3/0x1cb0 kernel/signal.c:2577 do_signal+0x86/0x1750 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x1fc/0x270 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x40c/0x4f0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458c29 Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007face0869cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000001 RBX: 000000000073bfa8 RCX: 0000000000458c29 RDX: 00000000004c7bf7 RSI: 0000000000000081 RDI: 000000000073bfac RBP: 000000000073bfa0 R08: 0000000000000009 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 000000000073bfac R13: 00007ffded4e22af R14: 00007face086a9c0 R15: 000000000073bfac Modules linked in: ---[ end trace 078f7791c37f0e2b ]--- RIP: 0010:dev_name include/linux/device.h:1087 [inline] RIP: 0010:__dev_printk+0x3f/0x215 drivers/base/core.c:3208 Code: 89 f5 53 e8 1e 24 1c fc 48 85 ed 0f 84 c9 01 00 00 e8 10 24 1c fc 48 8d 7d 50 b8 ff ff 37 00 48 89 fa 48 c1 e0 2a 48 c1 ea 03 <80> 3c 02 00 74 05 e8 31 39 53 fc 4c 8b 7d 50 4d 85 ff 75 28 e8 e3 RSP: 0018:ffff8880ad107930 EFLAGS: 00010002 RAX: dffffc0000000000 RBX: ffffed1015a20f2d RCX: 00000000ffffffed RDX: 0000000000000010 RSI: ffffffff85559bf0 RDI: 0000000000000080 RBP: 0000000000000030 R08: ffff8880a0260000 R09: ffffed1015a24fc9 R10: ffffed1015a24fc8 R11: ffff8880ad127e47 R12: ffffffff8f031a00 R13: ffff8880ad107988 R14: 0000000000000000 R15: ffff888091a62200 FS: 00007face086a700(0000) GS:ffff8880ad100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5d7321b000 CR3: 0000000073d70000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400