syzbot


unregister_netdevice: waiting for lo to become free

Status: closed as invalid on 2018/04/19 14:42
Reported-by: syzbot+3ff2733a31b1672f910d@syzkaller.appspotmail.com
First crash: 2585d, last: 2579d

Sample crash report:
attempt to access beyond end of device
loop6: rw=1, want=265, limit=112
Buffer I/O error on dev loop6, logical block 264, lost async page write
attempt to access beyond end of device
loop6: rw=1, want=2154, limit=112
unregister_netdevice: waiting for lo to become free. Usage count = 4
FAT-fs (loop6): Directory bread(block 112) failed
FAT-fs (loop3): Directory bread(block 112) failed
FAT-fs (loop3): Directory bread(block 112) failed
FAT-fs (loop3): Directory bread(block 112) failed
FAT-fs (loop6): Directory bread(block 112) failed
FAT-fs (loop6): Directory bread(block 112) failed
attempt to access beyond end of device
attempt to access beyond end of device
loop3: rw=1, want=246, limit=112
Buffer I/O error on dev loop3, logical block 245, lost async page write
attempt to access beyond end of device
loop6: rw=1, want=246, limit=112
Buffer I/O error on dev loop6, logical block 245, lost async page write
attempt to access beyond end of device
loop3: rw=1, want=247, limit=112
attempt to access beyond end of device
loop6: rw=1, want=247, limit=112
attempt to access beyond end of device
loop3: rw=1, want=248, limit=112
loop6: rw=1, want=248, limit=112
attempt to access beyond end of device
attempt to access beyond end of device
loop6: rw=1, want=249, limit=112
loop3: rw=1, want=249, limit=112
attempt to access beyond end of device
attempt to access beyond end of device
loop6: rw=1, want=262, limit=112
loop3: rw=1, want=262, limit=112
attempt to access beyond end of device
loop3: rw=1, want=263, limit=112
attempt to access beyond end of device
loop6: rw=1, want=263, limit=112
attempt to access beyond end of device
loop3: rw=1, want=264, limit=112
attempt to access beyond end of device
loop3: rw=1, want=265, limit=112
attempt to access beyond end of device
attempt to access beyond end of device
loop6: rw=1, want=264, limit=112
attempt to access beyond end of device
loop3: rw=1, want=2154, limit=112
loop6: rw=1, want=265, limit=112
attempt to access beyond end of device
loop6: rw=1, want=2154, limit=112
FAT-fs (loop3): Directory bread(block 112) failed
FAT-fs (loop6): Directory bread(block 112) failed
FAT-fs (loop3): Directory bread(block 112) failed
FAT-fs (loop6): Directory bread(block 112) failed
FAT-fs (loop3): Directory bread(block 112) failed
FAT-fs (loop6): Directory bread(block 112) failed
attempt to access beyond end of device
loop3: rw=1, want=246, limit=112
attempt to access beyond end of device
loop3: rw=1, want=247, limit=112
attempt to access beyond end of device
loop3: rw=1, want=248, limit=112
attempt to access beyond end of device
loop3: rw=1, want=249, limit=112
attempt to access beyond end of device
loop3: rw=1, want=262, limit=112
attempt to access beyond end of device
loop3: rw=1, want=263, limit=112
attempt to access beyond end of device
loop6: rw=1, want=246, limit=112
attempt to access beyond end of device
loop6: rw=1, want=247, limit=112
attempt to access beyond end of device
attempt to access beyond end of device
loop6: rw=1, want=248, limit=112
attempt to access beyond end of device
loop6: rw=1, want=249, limit=112
loop3: rw=1, want=264, limit=112
attempt to access beyond end of device
attempt to access beyond end of device
loop3: rw=1, want=265, limit=112
loop6: rw=1, want=262, limit=112
attempt to access beyond end of device
attempt to access beyond end of device
loop3: rw=1, want=2154, limit=112
loop6: rw=1, want=263, limit=112
attempt to access beyond end of device
loop6: rw=1, want=264, limit=112
attempt to access beyond end of device
loop6: rw=1, want=265, limit=112
attempt to access beyond end of device
loop6: rw=1, want=2154, limit=112
FAT-fs (loop3): Directory bread(block 112) failed
FAT-fs (loop6): Directory bread(block 112) failed
FAT-fs (loop3): Directory bread(block 112) failed
FAT-fs (loop3): Directory bread(block 112) failed
FAT-fs (loop6): Directory bread(block 112) failed
FAT-fs (loop6): Directory bread(block 112) failed
attempt to access beyond end of device
loop3: rw=1, want=246, limit=112
attempt to access beyond end of device
loop3: rw=1, want=247, limit=112
attempt to access beyond end of device
loop3: rw=1, want=248, limit=112
attempt to access beyond end of device
loop3: rw=1, want=249, limit=112
attempt to access beyond end of device
loop3: rw=1, want=262, limit=112
attempt to access beyond end of device
loop3: rw=1, want=263, limit=112
attempt to access beyond end of device
loop3: rw=1, want=264, limit=112
attempt to access beyond end of device
loop6: rw=1, want=246, limit=112
attempt to access beyond end of device
loop3: rw=1, want=265, limit=112
attempt to access beyond end of device
loop6: rw=1, want=247, limit=112
attempt to access beyond end of device
loop3: rw=1, want=2154, limit=112
attempt to access beyond end of device
loop6: rw=1, want=248, limit=112
attempt to access beyond end of device
loop6: rw=1, want=249, limit=112
attempt to access beyond end of device
loop6: rw=1, want=262, limit=112
attempt to access beyond end of device
loop6: rw=1, want=263, limit=112
attempt to access beyond end of device
loop6: rw=1, want=264, limit=112
attempt to access beyond end of device
loop6: rw=1, want=265, limit=112
attempt to access beyond end of device
loop6: rw=1, want=2154, limit=112

Crashes (1619):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2018/04/16 11:09 upstream 60cc43fc8884 802ac912 .config console log report ci-upstream-kasan-gce-root
2018/04/14 04:29 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce-root
2018/04/14 04:23 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce-root
2018/04/14 04:15 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce-root
2018/04/14 04:13 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce-root
2018/04/14 04:08 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce-root
2018/04/14 04:05 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce-root
2018/04/14 03:59 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce-root
2018/04/14 03:57 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce
2018/04/14 03:55 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce-root
2018/04/14 03:51 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce-root
2018/04/14 03:46 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce-root
2018/04/14 03:41 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce
2018/04/14 03:39 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce-root
2018/04/14 03:29 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce-root
2018/04/14 03:29 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce-root
2018/04/14 03:27 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce-root
2018/04/14 03:23 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce
2018/04/14 03:17 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce
2018/04/14 03:15 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce-root
2018/04/14 03:09 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce-root
2018/04/14 03:05 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce-root
2018/04/14 02:10 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce-root
2018/04/14 01:58 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce-root
2018/04/14 01:57 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce-root
2018/04/14 01:17 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce-root
2018/04/14 01:16 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce
2018/04/14 01:11 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce-root
2018/04/14 00:55 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce-root
2018/04/14 00:47 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce-root
2018/04/14 00:38 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce
2018/04/14 00:12 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce-root
2018/04/13 23:38 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce-root
2018/04/13 22:37 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce-root
2018/04/13 22:24 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce-root
2018/04/13 21:52 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce-root
2018/04/13 21:52 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce-root
2018/04/13 21:50 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce-root
2018/04/13 21:47 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce-root
2018/04/13 21:35 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce-root
2018/04/13 21:34 upstream 1bad9ce155a7 7a67784c .config console log report ci-upstream-kasan-gce-root
* Struck through repros no longer work on HEAD.