syzbot


KASAN: use-after-free Write in ext4_write_inline_data
Status: upstream: reported C repro on 2021/02/04 16:01
Reported-by: syzbot+4f5051bdd848bd35a6b8@syzkaller.appspotmail.com
First crash: 299d, last: 14d
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KASAN: use-after-free Write in ext4_write_inline_data C done error 1 111d 107d 0/22 upstream: reported C repro on 2021/08/15 16:27
linux-4.19 KASAN: slab-out-of-bounds Write in ext4_write_inline_data C done 3 85d 292d 1/1 fixed on 2021/10/06 16:08

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2021/11/16 23:38 linux-4.14.y 5f9f3b0057d5 c0ced557 .config log report syz C
ci2-linux-4-14 2021/10/17 22:46 linux-4.14.y f6b016a9d961 c0ced557 .config log report syz C
ci2-linux-4-14 2021/09/17 22:20 linux-4.14.y f96eb53cbd76 c0ced557 .config log report syz C
ci2-linux-4-14 2021/08/18 21:54 linux-4.14.y 162b95d01320 c0ced557 .config log report syz C
ci2-linux-4-14 2021/07/19 21:28 linux-4.14.y 4e68c9b0763f c0ced557 .config log report syz C
ci2-linux-4-14 2021/06/05 18:27 linux-4.14.y a6b2dae3ee3a c0ced557 .config log report syz C
ci2-linux-4-14 2021/04/05 16:49 linux-4.14.y bd634aa64163 42b90a7c .config log report syz C
ci2-linux-4-14 2021/03/06 16:22 linux-4.14.y 397a88b2cc86 42b90a7c .config log report syz C
Crashes (6):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2021/04/20 16:06 linux-4.14.y cf256fbcbe34 c0ced557 .config log report syz C KASAN: use-after-free Write in ext4_write_inline_data
ci2-linux-4-14 2021/02/04 16:00 linux-4.14.y 2c8a3fceddf0 42b90a7c .config log report syz C KASAN: use-after-free Write in ext4_write_inline_data
ci2-linux-4-14 2021/06/19 21:03 linux-4.14.y cfb41ef9deb1 aba2b2fb .config log report syz C KASAN: slab-out-of-bounds Write in ext4_write_inline_data
ci2-linux-4-14 2021/05/06 15:52 linux-4.14.y 7d7d1c0ab3eb 06585184 .config log report info KASAN: use-after-free Write in ext4_write_inline_data
ci2-linux-4-14 2021/05/05 21:55 linux-4.14.y 7d7d1c0ab3eb 06c27ff5 .config log report info KASAN: use-after-free Write in ext4_write_inline_data
ci2-linux-4-14 2021/05/06 18:00 linux-4.14.y 7d7d1c0ab3eb 06585184 .config log report info KASAN: slab-out-of-bounds Write in ext4_write_inline_data