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| Date | Name | Commit | Repro | Result |
|---|---|---|---|---|
| 2024/12/08 | linux-6.1.y (ToT) | e4d90d63d385 | C | [report] KASAN: use-after-free Read in reiserfs_fill_super |
| 2024/10/23 | upstream (ToT) | c2ee9f594da8 | C | [report] KASAN: use-after-free Read in reiserfs_fill_super |
| 2024/12/08 | upstream (ToT) | 7503345ac5f5 | C | Didn't crash |
| Kernel | Title | Rank 🛈 | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| upstream | KASAN: use-after-free Read in reiserfs_fill_super (3) fs | 19 | C | error | done | 47 | 580d | 625d | 28/29 | fixed on 2025/01/13 19:22 |
| linux-5.15 | KASAN: use-after-free Read in reiserfs_fill_super missing-backport origin:upstream | 19 | C | error | 8 | 39d | 624d | 0/3 | upstream: reported C repro on 2024/10/04 20:48 | |
| upstream | KASAN: use-after-free Read in reiserfs_fill_super fs | 19 | C | error | done | 2 | 2023d | 2022d | 19/29 | fixed on 2021/03/10 01:48 |
| upstream | KASAN: use-after-free Read in reiserfs_fill_super (2) fs | 19 | 1 | 1659d | 1655d | 0/29 | auto-closed as invalid on 2022/02/03 07:30 | |||
| linux-4.14 | KASAN: use-after-free Read in reiserfs_fill_super | 19 | C | done | 2 | 1993d | 1993d | 1/1 | fixed on 2021/02/21 17:18 |
| Created | Duration | User | Patch | Repo | Result |
|---|---|---|---|---|---|
| 2025/01/16 23:55 | 1h58m | fix candidate | upstream | OK (0) job log | |
| 2024/11/30 11:27 | 14m | bisect fix | linux-6.1.y | error job log |
REISERFS (device loop0): journal params: device ram0, size 127, journal first block 18, max trans len 1024, max batch 900, max commit age 30, max trans age 30 REISERFS (device loop0): checking transaction log (ram0) ================================================================== BUG: KASAN: use-after-free in init_inode fs/reiserfs/inode.c:1317 [inline] BUG: KASAN: use-after-free in reiserfs_read_locked_inode+0x17b4/0x1e18 fs/reiserfs/inode.c:1566 Read of size 4 at addr ffff0000f337e000 by task syz.0.17/4526 CPU: 0 PID: 4526 Comm: syz.0.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 Call trace: dump_backtrace+0x1c0/0x1ec arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack+0x30/0x40 lib/dump_stack.c:88 dump_stack_lvl+0xf4/0x15c lib/dump_stack.c:106 print_address_description+0x88/0x218 mm/kasan/report.c:316 print_report+0x50/0x68 mm/kasan/report.c:420 kasan_report+0xa8/0xfc mm/kasan/report.c:524 __asan_report_load_n_noabort+0x28/0x34 mm/kasan/report_generic.c:361 init_inode fs/reiserfs/inode.c:1317 [inline] reiserfs_read_locked_inode+0x17b4/0x1e18 fs/reiserfs/inode.c:1566 reiserfs_fill_super+0xec4/0x1d40 fs/reiserfs/super.c:2071 mount_bdev+0x264/0x358 fs/super.c:1443 get_super_block+0x44/0x58 fs/reiserfs/super.c:2601 legacy_get_tree+0xd4/0x16c fs/fs_context.c:632 vfs_get_tree+0x90/0x274 fs/super.c:1573 do_new_mount+0x228/0x810 fs/namespace.c:3078 path_mount+0x5bc/0xe80 fs/namespace.c:3408 do_mount fs/namespace.c:3421 [inline] __do_sys_mount fs/namespace.c:3629 [inline] __se_sys_mount fs/namespace.c:3606 [inline] __arm64_sys_mount+0x49c/0x59c fs/namespace.c:3606 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 The buggy address belongs to the physical page: page:00000000389afdb6 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x13337e flags: 0x5ffc00000000000(node=0|zone=2|lastcpupid=0x7ff) raw: 05ffc00000000000 fffffc0003ccdfc8 ffff00019f514e60 0000000000000000 raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff0000f337df00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff0000f337df80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff0000f337e000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ^ ffff0000f337e080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff0000f337e100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ================================================================== REISERFS warning (device loop0): vs-13075 reiserfs_read_locked_inode: dead inode read from disk [1 2 0x0 SD]. This is likely to be race with knfsd. Ignore REISERFS warning (device loop0): reiserfs_fill_super: corrupt root inode, run fsck
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026/06/14 20:05 | linux-6.1.y | 228da13e907e | 1d2f3589 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] | ci2-linux-6-1-kasan-arm64 | KASAN: use-after-free Read in reiserfs_fill_super | |
| 2026/06/14 16:45 | linux-6.1.y | 228da13e907e | 1d2f3589 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] | ci2-linux-6-1-kasan-arm64 | KASAN: use-after-free Read in reiserfs_fill_super | |
| 2024/10/20 14:36 | linux-6.1.y | 54d90d17e8ce | cd6fc0a3 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-linux-6-1-kasan-arm64 | KASAN: use-after-free Read in reiserfs_fill_super | |
| 2026/06/14 01:54 | linux-6.1.y | 228da13e907e | 1d2f3589 | .config | console log | report | syz / log | [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] | ci2-linux-6-1-kasan-arm64 | KASAN: use-after-free Read in reiserfs_fill_super | ||
| 2024/10/20 14:25 | linux-6.1.y | 54d90d17e8ce | cd6fc0a3 | .config | console log | report | syz / log | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-linux-6-1-kasan-arm64 | KASAN: use-after-free Read in reiserfs_fill_super | ||
| 2024/10/22 03:33 | linux-6.1.y | 54d90d17e8ce | f1e4447c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | KASAN: use-after-free Read in reiserfs_fill_super | ||
| 2024/10/22 03:33 | linux-6.1.y | 54d90d17e8ce | f1e4447c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | KASAN: use-after-free Read in reiserfs_fill_super | ||
| 2024/10/20 14:11 | linux-6.1.y | 54d90d17e8ce | cd6fc0a3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | KASAN: use-after-free Read in reiserfs_fill_super |