From 71e4e54ddb56b51fde5133e85ebf803f5bbe0322 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Fri, 17 Oct 2025 09:03:55 +0200 Subject: [PATCH] 6.6-stable patches added patches: ext4-free-orphan-info-with-kvfree.patch --- .../ext4-free-orphan-info-with-kvfree.patch | 43 +++++++++++++++++++ queue-6.6/series | 1 + 2 files changed, 44 insertions(+) create mode 100644 queue-6.6/ext4-free-orphan-info-with-kvfree.patch diff --git a/queue-6.6/ext4-free-orphan-info-with-kvfree.patch b/queue-6.6/ext4-free-orphan-info-with-kvfree.patch new file mode 100644 index 0000000000..3eaef32e0d --- /dev/null +++ b/queue-6.6/ext4-free-orphan-info-with-kvfree.patch @@ -0,0 +1,43 @@ +From 971843c511c3c2f6eda96c6b03442913bfee6148 Mon Sep 17 00:00:00 2001 +From: Jan Kara +Date: Tue, 7 Oct 2025 15:49:37 +0200 +Subject: ext4: free orphan info with kvfree + +From: Jan Kara + +commit 971843c511c3c2f6eda96c6b03442913bfee6148 upstream. + +Orphan info is now getting allocated with kvmalloc_array(). Free it with +kvfree() instead of kfree() to avoid complaints from mm. + +Reported-by: Chris Mason +Fixes: 0a6ce20c1564 ("ext4: verify orphan file size is not too big") +Cc: stable@vger.kernel.org +Signed-off-by: Jan Kara +Message-ID: <20251007134936.7291-2-jack@suse.cz> +Signed-off-by: Theodore Ts'o +Signed-off-by: Greg Kroah-Hartman +--- + fs/ext4/orphan.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +--- a/fs/ext4/orphan.c ++++ b/fs/ext4/orphan.c +@@ -513,7 +513,7 @@ void ext4_release_orphan_info(struct sup + return; + for (i = 0; i < oi->of_blocks; i++) + brelse(oi->of_binfo[i].ob_bh); +- kfree(oi->of_binfo); ++ kvfree(oi->of_binfo); + } + + static struct ext4_orphan_block_tail *ext4_orphan_block_tail( +@@ -638,7 +638,7 @@ int ext4_init_orphan_info(struct super_b + out_free: + for (i--; i >= 0; i--) + brelse(oi->of_binfo[i].ob_bh); +- kfree(oi->of_binfo); ++ kvfree(oi->of_binfo); + out_put: + iput(inode); + return ret; diff --git a/queue-6.6/series b/queue-6.6/series index 3e725d5733..83174d4ea5 100644 --- a/queue-6.6/series +++ b/queue-6.6/series @@ -152,3 +152,4 @@ ext4-fix-an-off-by-one-issue-during-moving-extents.patch ext4-guard-against-ea-inode-refcount-underflow-in-xattr-update.patch ext4-validate-ea_ino-and-size-in-check_xattrs.patch acpica-allow-to-skip-global-lock-initialization.patch +ext4-free-orphan-info-with-kvfree.patch -- 2.47.3