syzbot


KASAN: null-ptr-deref Read in filp_close (2)
Status: upstream: reported on 2021/03/26 07:55
Reported-by: syzbot+283ce5a46486d6acdbaf@syzkaller.appspotmail.com
Fix commit: 9b5b8722 file: fix close_range() for unshare+cloexec
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-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-arm32 ci-upstream-bpf-next-kasan-gce ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386]
First crash: 32d, last: 32d
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KASAN: null-ptr-deref Read in filp_close C done 9 125d 127d 21/22 fixed on 2021/03/10 01:48

Sample crash report:

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2021/03/22 07:43 upstream 5ee96fa9 bea32f74 .config log report info KASAN: null-ptr-deref Read in filp_close