syzbot


memory leak in ext4_multi_mount_protect
Status: upstream: reported C repro on 2020/12/24 09:55
Reported-by: syzbot+d9e482e303930fa4f6ff@syzkaller.appspotmail.com
Fix commit: 618f003199c6 ext4: fix memory leak in ext4_fill_super
Patched on: [ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-qemu2-riscv64 ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-gce-leak ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386 ci-upstream-linux-next-kasan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-kcsan-gce ci2-upstream-usb], missing on: [ci-qemu2-arm32]
First crash: 271d, last: 90d
Patch testing requests:
Created Duration User Patch Repo Result
2021/04/30 18:23 17m paskripkin@gmail.com https://linux.googlesource.com/linux/kernel/git/torvalds/linux refs/changes/76/10176/6 OK
2021/04/12 19:57 17m paskripkin@gmail.com https://linux.googlesource.com/linux/kernel/git/torvalds/linux refs/changes/76/10176/1 OK

Sample crash report:

Crashes (12):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-gce-leak 2021/04/09 05:42 upstream 4fa56ad0d12e 6a81331a .config log report syz C memory leak in ext4_multi_mount_protect
ci-upstream-gce-leak 2021/06/19 16:09 upstream b1edae0d5f2e aba2b2fb .config log report syz memory leak in ext4_multi_mount_protect
ci-upstream-gce-leak 2021/06/15 02:37 upstream 009c9aa5be65 1ba81399 .config log report syz memory leak in ext4_multi_mount_protect
ci-upstream-gce-leak 2021/02/05 06:50 upstream 5c279c4cf206 23a562df .config log report syz memory leak in ext4_multi_mount_protect
ci-upstream-gce-leak 2021/02/03 14:52 upstream 3aaf0a27ffc2 624dad51 .config log report syz memory leak in ext4_multi_mount_protect
ci-upstream-gce-leak 2021/02/01 01:24 upstream 6642d600b541 fc9fd31e .config log report syz memory leak in ext4_multi_mount_protect
ci-upstream-gce-leak 2021/01/23 05:19 upstream 83d09ad4b950 4080af96 .config log report syz memory leak in ext4_multi_mount_protect
ci-upstream-gce-leak 2021/01/21 18:14 upstream 9791581c049c d4f4eca5 .config log report syz memory leak in ext4_multi_mount_protect
ci-upstream-gce-leak 2021/01/16 15:36 upstream 1d94330a437a 65a7a854 .config log report syz
ci-upstream-gce-leak 2021/01/14 23:51 upstream 65f0d2414b70 65a7a854 .config log report syz
ci-upstream-gce-leak 2021/01/04 06:06 upstream e71ba9452f0b 79264ae3 .config log report syz
ci-upstream-gce-leak 2020/12/20 09:53 upstream 467f8165a2b0 04201c06 .config log report syz