Subject Data in direntry (dirdata) feature
Author artem.blagodarenko@gmail.com
Date 2026-06-24 13:36:30 +0000 UTC
Version
Cc ablagodarenko@thelustrecollective.com adilger.kernel@dilger.ca adilger@dilger.ca adilger@diliger.ca artem.blagodarenko@gmail.com linux-ext4@vger.kernel.org pravin.shelar@sun.com xiaowu.417@qq.com
Patches (11)
Name Content [All]
[PATCH v4 01/11] ext4: validate count against limit in ext4_dx_csum_verify/_set [Body]
[PATCH v4 02/11] ext4: replace ext4_dir_entry with ext4_dir_entry_2 [Body]
[PATCH v4 03/11] ext4: add ext4_dir_entry_is_tail() [Body]
[PATCH v4 04/11] ext4: refactor dx_root to support variable dirent sizes [Body]
[PATCH v4 05/11] ext4: add dirdata format definitions and access helpers [Body]
[PATCH v4 06/11] ext4: preserve dirdata bits in get_dtype() [Body]
[PATCH v4 07/11] ext4: add ext4_dir_entry_len() and harden dirdata parsing [Body]
[PATCH v4 08/11] ext4: rename ext4_dir_rec_len() and clarify dirdata usage [Body]
[PATCH v4 09/11] ext4: dirdata feature [Body]
[PATCH v4 10/11] ext4: add dirdata set/get helpers [Body]
[PATCH v4 11/11] ext4: Add EXT4_IOC_SET_LUFID ioctl for setting LUFID on directory entries [Body]
Session 2026-06-24
ID (for dev) 18e99387-2bc8-4785-9732-fc4590503464
Status finished
Triaged OK [Log] [Trajectory]
Execution Log [Link]
Test Base Patched Verdict
[KASAN] Build Base 840ef6c78e6a2f694b578ecb9063241c992aaa9e [Config] passed [Log]
[KASAN] Boot test: Base 840ef6c78e6a2f694b578ecb9063241c992aaa9e [Config] passed [Log]
[KASAN] Build Patched 840ef6c78e6a2f694b578ecb9063241c992aaa9e [Config] [patched] passed [Log]
[KASAN] Boot test: Patched 840ef6c78e6a2f694b578ecb9063241c992aaa9e [Config] [patched] passed [Log]
[KASAN] Fuzz 840ef6c78e6a2f694b578ecb9063241c992aaa9e [Config] 840ef6c78e6a2f694b578ecb9063241c992aaa9e [Config] [patched] passed [Log] [Artifacts]
KASAN: slab-use-after-free Read in ext4_inlinedir_to_tree [Log] [Syz Repro]
KASAN: use-after-free Read in ext4_inlinedir_to_tree [Log] [Syz Repro]