syzbot


KASAN: use-after-free Read in btrfs_scan_one_device
Status: fixed on 2021/03/10 01:49
Reported-by: syzbot+582e66e5edf36a22c7b0@syzkaller.appspotmail.com
Fix commit: 0697d9a61099 btrfs: don't access possibly stale fs_info data for printing duplicate device
First crash: 488d, last: 418d

Cause bisection: failed (bisect log)
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 KASAN: use-after-free Read in btrfs_scan_one_device C done 43 413d 488d 1/1 fixed on 2020/12/31 01:42
Patch testing requests:
Created Duration User Patch Repo Result
2020/10/18 12:52 13m foxhlchen@gmail.com upstream report log
2020/10/12 18:55 17m rkovhaev@gmail.com patch upstream OK
2020/10/11 16:11 10m rkovhaev@gmail.com upstream report log
2020/10/11 15:57 9m rkovhaev@gmail.com upstream report log

Sample crash report:

Crashes (70):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2020/11/06 20:30 upstream 521b619acdc8 64069d48 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/11/06 19:11 upstream 521b619acdc8 64069d48 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/10/13 07:06 upstream bbf5c979011a d32b0bbf .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/10/12 11:57 upstream 3dd0130f2430 4a77ae0b .config log report syz C
ci-upstream-kasan-gce-root 2020/10/11 21:29 upstream da690031a5d6 4a77ae0b .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/10/11 19:34 upstream da690031a5d6 4a77ae0b .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/10/11 07:35 upstream da690031a5d6 4a77ae0b .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/10/08 09:42 upstream c85fb28b6f99 1880b4a9 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/10/08 03:11 upstream c85fb28b6f99 1880b4a9 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/10/07 18:54 upstream c85fb28b6f99 1880b4a9 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/10/01 04:03 upstream 02de58b24d2e 8516f6d3 .config log report syz C
ci-upstream-kasan-gce-root 2020/10/01 03:13 upstream 02de58b24d2e 8516f6d3 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/09/30 11:27 upstream ccc1d052eff9 5abc3f1a .config log report syz C
ci-upstream-kasan-gce-root 2020/09/29 17:36 upstream fb0155a09b02 1b88c6d5 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/09/28 21:01 upstream a1b8638ba132 6bfdbe89 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/09/27 21:45 upstream eeddbe6841cd 5dd8aee8 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/09/26 22:12 upstream 7c7ec3226f5f 2d5ea0cb .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/09/26 21:59 upstream 7c7ec3226f5f 2d5ea0cb .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/09/25 12:44 upstream 171d4ff79f96 54289b08 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/09/24 17:13 upstream c9c9e6a49f89 54289b08 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/09/24 01:58 upstream 805c6d3c1921 287cd75a .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/09/21 05:37 upstream 325d0eab4f31 9564d2e9 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/11/02 03:55 linux-next 4e78c578cb98 8bc4594f .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/11/01 18:45 linux-next 4e78c578cb98 8bc4594f .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/11/01 05:43 linux-next 4e78c578cb98 8bc4594f .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/11/01 02:55 linux-next 4e78c578cb98 8bc4594f .config log report syz C
ci-upstream-kasan-gce-root 2020/11/25 13:02 upstream 127c501a03d5 1a1f4bd8 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/11/24 23:26 upstream 80145ac2f739 e34b696c .config log report info
ci-upstream-kasan-gce-selinux-root 2020/11/21 08:35 upstream 27bba9c532a8 68068804 .config log report info
ci-upstream-kasan-gce-smack-root 2020/11/19 01:55 upstream c2e7554e1b85 0767f13f .config log report info
ci-upstream-kasan-gce-selinux-root 2020/11/16 14:29 upstream 09162bc32c88 1bf9a662 .config log report info
ci-upstream-kasan-gce-smack-root 2020/11/15 03:41 upstream e28c0d7c92c8 1bf9a662 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/11/14 09:41 upstream f01c30de86f1 1bf9a662 .config log report info
ci-upstream-kasan-gce-root 2020/11/13 23:19 upstream 585e5b17b92d e1140d25 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/11/11 10:40 upstream eccc87672492 cca87986 .config log report info
ci-upstream-kasan-gce-smack-root 2020/11/08 07:24 upstream 4429f14aeea9 64069d48 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/11/02 02:02 upstream 3cea11cd5e3b 8bc4594f .config log report info
ci-upstream-kasan-gce-smack-root 2020/10/02 21:24 upstream 472e5b056f00 4969d6ca .config log report info
ci-upstream-kasan-gce-root 2020/09/30 21:34 upstream 02de58b24d2e 8516f6d3 .config log report info
ci-upstream-kasan-gce-smack-root 2020/09/30 01:40 upstream ccc1d052eff9 5abc3f1a .config log report info
ci-upstream-kasan-gce-root 2020/09/30 01:17 upstream ccc1d052eff9 5abc3f1a .config log report info
ci-upstream-kasan-gce-root 2020/09/29 10:04 upstream fb0155a09b02 1b88c6d5 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/09/28 16:36 upstream a1b8638ba132 6bfdbe89 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/09/28 14:45 upstream a1b8638ba132 6bfdbe89 .config log report info
ci-upstream-kasan-gce-smack-root 2020/09/28 13:49 upstream a1b8638ba132 6bfdbe89 .config log report info
ci-upstream-kasan-gce-smack-root 2020/09/28 04:20 upstream a1bffa48745a 5dd8aee8 .config log report info
ci-upstream-kasan-gce-smack-root 2020/09/26 11:32 upstream 7c7ec3226f5f 4a006f63 .config log report info
ci-upstream-kasan-gce-smack-root 2020/09/25 21:38 upstream 171d4ff79f96 4a006f63 .config log report info
ci-upstream-kasan-gce-root 2020/09/25 17:59 upstream 171d4ff79f96 4a006f63 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/09/25 04:48 upstream 171d4ff79f96 54289b08 .config log report info
ci-upstream-kasan-gce-root 2020/09/23 22:20 upstream 805c6d3c1921 287cd75a .config log report info
ci-upstream-kasan-gce-smack-root 2020/09/23 16:22 upstream 805c6d3c1921 287cd75a .config log report info
ci-upstream-kasan-gce-smack-root 2020/09/23 06:27 upstream eff48ddeab78 3e8f6c27 .config log report info
ci-upstream-kasan-gce-smack-root 2020/09/23 06:25 upstream eff48ddeab78 3e8f6c27 .config log report info
ci-upstream-kasan-gce-smack-root 2020/09/22 01:54 upstream ba4f184e126b 9e1fa68e .config log report info
ci-upstream-kasan-gce-smack-root 2020/09/21 16:48 upstream ba4f184e126b 9e1fa68e .config log report info
ci-upstream-kasan-gce-smack-root 2020/09/21 16:21 upstream ba4f184e126b 9e1fa68e .config log report info
ci-upstream-kasan-gce-smack-root 2020/09/21 03:47 upstream 325d0eab4f31 9564d2e9 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/09/20 00:35 upstream eb5f95f1593f 53ce8104 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/09/20 00:33 upstream eb5f95f1593f 53ce8104 .config log report info
ci-upstream-kasan-gce-root 2020/09/19 00:37 upstream 10b82d517648 53ce8104 .config log report info
ci-upstream-kasan-gce-root 2020/09/17 01:32 upstream 5925fa68fe82 8247808b .config log report info
ci-upstream-kasan-gce-root 2020/09/16 14:06 upstream fc4f28bb3daf 18d7d030 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/11/02 16:17 linux-next b49976d8ef64 8bc4594f .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/10/08 06:17 linux-next 8b787da7ba8c 1880b4a9 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/09/30 02:28 linux-next 49e7e3e905e4 5abc3f1a .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/09/29 05:11 linux-next 663b07a45f97 1b88c6d5 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/09/24 20:33 linux-next d1d2220c7f39 54289b08 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/09/24 11:57 linux-next dcf2427baa64 54289b08 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/09/21 16:03 linux-next b10b8ad86211 9e1fa68e .config log report info