syzbot


WARNING in z_erofs_lz4_decompress
Status: upstream: reported C repro on 2021/10/24 02:25
Reported-by: syzbot+d8aaffc3719597e8cfb4@syzkaller.appspotmail.com
Fix commit: a0961f351d82 erofs: don't trigger WARN() when decompression fails
Patched on: [ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm32 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte 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-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-riscv64 ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386]
First crash: 42d, last: 37d

Sample crash report:

Crashes (2):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-linux-next-kasan-gce-root 2021/10/25 16:30 linux-next 9ae1fbdeabd3 4f0000ee .config log report syz C WARNING in z_erofs_lz4_decompress
ci-upstream-linux-next-kasan-gce-root 2021/10/20 02:22 linux-next 60e8840126bd 466b7db1 .config log report info WARNING in z_erofs_lz4_decompress