yurex 6-1:0.150: yurex_interrupt - unknown status received: -71 usb 6-1: USB disconnect, device number 43 yurex 6-1:0.150: 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: 9164 Comm: blkid 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: ffff8880a5cb8000 R09: ffffed1015a24fc9 R10: ffffed1015a24fc8 R11: ffff8880ad127e47 R12: ffffffff8f031a00 R13: ffff8880ad107988 R14: 0000000000000000 R15: ffff888099430b00 FS: 0000000000000000(0000) GS:ffff8880ad100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f119a5d94a0 CR3: 000000008ee0e000 CR4: 00000000001406e0 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:__sanitizer_cov_trace_cmp8+0x4/0x20 kernel/kcov.c:240 Code: 84 00 00 00 00 00 48 8b 0c 24 89 f2 89 fe bf 04 00 00 00 e9 4e ff ff ff 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 48 8b 0c 24 <48> 89 f2 48 89 fe bf 06 00 00 00 e9 2c ff ff ff 66 90 66 2e 0f 1f RSP: 0018:ffff888091f6f920 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8880a5cb8000 RBX: 00007f119a200000 RCX: ffffffff819c115a RDX: 0000000000000000 RSI: 00007f119a3b7000 RDI: 00007f119a200000 RBP: 00007f119a3b7000 R08: 00007f119a3bb000 R09: 0000000000000002 R10: ffff8880a5cb8868 R11: ffff8880a5cb8000 R12: 0000000000000000 R13: 00007f119a3bb000 R14: 00007f119a3b7000 R15: ffff888091f6fa78 free_pgd_range+0x4a/0xd50 mm/memory.c:341 free_pgtables+0x235/0x2f0 mm/memory.c:397 unmap_region+0x2c3/0x3a0 mm/mmap.c:2605 __do_munmap+0x63f/0xf00 mm/mmap.c:2823 do_munmap mm/mmap.c:2834 [inline] mmap_region+0x1f4/0x1550 mm/mmap.c:1729 do_mmap+0x8eb/0x1070 mm/mmap.c:1559 do_mmap_pgoff include/linux/mm.h:2348 [inline] vm_mmap_pgoff+0x19c/0x200 mm/util.c:362 ksys_mmap_pgoff+0x45c/0x5b0 mm/mmap.c:1609 do_syscall_64+0xcf/0x4f0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f119a3d13ea Code: 48 8d 3d 81 69 00 00 b2 84 e8 52 ec ff ff f7 d8 89 05 ae ad 20 00 eb c6 90 90 90 90 90 90 90 90 49 89 ca b8 09 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8d 0d 8a ad 20 00 31 d2 48 29 c2 89 RSP: 002b:00007ffd5b0e9438 EFLAGS: 00000206 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f119a5d94c8 RCX: 00007f119a3d13ea RDX: 0000000000000003 RSI: 0000000000004000 RDI: 00007f119a3b7000 RBP: 00007ffd5b0e9700 R08: 0000000000000003 R09: 0000000000023000 R10: 0000000000000812 R11: 0000000000000206 R12: 00007ffd5b0e97e8 R13: 0000000000000002 R14: 00007ffd5b0e94b0 R15: 00007ffd5b0e9480 Modules linked in: ---[ end trace 0a5bb9964fb0e3ae ]--- 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: ffff8880a5cb8000 R09: ffffed1015a24fc9 R10: ffffed1015a24fc8 R11: ffff8880ad127e47 R12: ffffffff8f031a00 R13: ffff8880ad107988 R14: 0000000000000000 R15: ffff888099430b00 FS: 0000000000000000(0000) GS:ffff8880ad100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f119a5d94a0 CR3: 000000008ee0e000 CR4: 00000000001406e0