syzbot


general protection fault in fuse_test_super
Status: upstream: reported C repro on 2021/09/15 04:56
Reported-by: syzbot+74a15f02ccb51f398601@syzkaller.appspotmail.com
Fix commit: 80019f113832 fuse: always initialize sb->s_fs_info
Patched on: [ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte 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 ci2-upstream-kcsan-gce], missing on: [ci-qemu2-arm32 ci-qemu2-riscv64 ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386 ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-usb]
First crash: 43d, last: 11d

Cause bisection: failed (bisect log)
Patch testing requests:
Created Duration User Patch Repo Result
2021/10/21 08:07 18m miklos@szeredi.hu git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse.git 80019f1138324b6f35ae728b4f25eeb08899b452 OK

Sample crash report:

Crashes (7):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2021/10/07 12:43 upstream 5af4055fa813 62ee0987 .config log report syz C general protection fault in fuse_test_super
ci-upstream-linux-next-kasan-gce-root 2021/09/11 04:50 linux-next aa14a3016182 5ae8508a .config log report syz C general protection fault in fuse_test_super
ci-upstream-kasan-gce-root 2021/10/12 05:00 upstream 64570fbc14f8 838e7e2c .config log report syz general protection fault in fuse_test_super
ci-upstream-kasan-gce 2021/10/12 13:28 upstream fa5878760579 838e7e2c .config log report info general protection fault in fuse_test_super
ci-upstream-kasan-gce 2021/10/04 01:09 upstream 6761a0ae9895 db0f5787 .config log report info general protection fault in fuse_test_super
ci-upstream-kasan-gce-selinux-root 2021/09/30 10:16 upstream 02d5e016800d be530f6c .config log report info general protection fault in fuse_test_super
ci-upstream-kasan-gce-smack-root 2021/09/20 00:59 upstream d4d016caa4b8 70b76c1d .config log report info general protection fault in fuse_test_super