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fsverity: report validation errors through fserror to fsnotify

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Reported verification errors to fsnotify through recently added fserror
interface.

Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Andrey Albershteyn <aalbersh@kernel.org>
Link: https://patch.msgid.link/20261002223705.2175542-2-aalbersh@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
This commit is contained in:
Andrey Albershteyn 2026-10-03 00:36:42 +02:00 committed by Eric Biggers
parent b08e4ee274
commit 1ab73b0f96
1 changed files with 4 additions and 0 deletions
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4
fs/verity/verify.c
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@ -9,6 +9,7 @@
#include <linux/bio.h>
#include <linux/export.h>
#include <linux/fserror.h>
#define FS_VERITY_MAX_PENDING_BLOCKS 2
@ -205,6 +206,8 @@ static bool verify_data_block(struct fsverity_info *vi,
if (memchr_inv(dblock->data, 0, params->block_size)) {
fsverity_err(inode,
"FILE CORRUPTED! Data past EOF is not zeroed");
fserror_report_data_lost(inode, data_pos,
params->block_size, GFP_NOFS);
return false;
}
return true;
@ -312,6 +315,7 @@ static bool verify_data_block(struct fsverity_info *vi,
data_pos, level - 1, params->hash_alg->name, hsize, want_hash,
params->hash_alg->name, hsize,
level == 0 ? dblock->real_hash : real_hash);
fserror_report_data_lost(inode, data_pos, params->block_size, GFP_NOFS);
error:
for (; level > 0; level--) {
kunmap_local(hblocks[level - 1].addr);