diff options
| author | Konstantin Komarov <almaz.alexandrovich@paragon-software.com> | 2024-08-30 13:50:18 +0300 |
|---|---|---|
| committer | Konstantin Komarov <almaz.alexandrovich@paragon-software.com> | 2024-10-01 12:19:08 +0300 |
| commit | a33fb016e49e37aafab18dc3c8314d6399cb4727 (patch) | |
| tree | ab0e78ca6cf639068c95f0dc6879f8a99ef69328 | |
| parent | 090f612756a9720ec18b0b130e28be49839d7cb5 (diff) | |
| download | lwn-a33fb016e49e37aafab18dc3c8314d6399cb4727.tar.gz lwn-a33fb016e49e37aafab18dc3c8314d6399cb4727.zip | |
fs/ntfs3: Fix general protection fault in run_is_mapped_full
Fixed deleating of a non-resident attribute in ntfs_create_inode()
rollback.
Reported-by: syzbot+9af29acd8f27fbce94bc@syzkaller.appspotmail.com
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
| -rw-r--r-- | fs/ntfs3/inode.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/ntfs3/inode.c b/fs/ntfs3/inode.c index 81746a959b47..5dc261404957 100644 --- a/fs/ntfs3/inode.c +++ b/fs/ntfs3/inode.c @@ -1718,7 +1718,10 @@ out6: attr = ni_find_attr(ni, NULL, NULL, ATTR_EA, NULL, 0, NULL, NULL); if (attr && attr->non_res) { /* Delete ATTR_EA, if non-resident. */ - attr_set_size(ni, ATTR_EA, NULL, 0, NULL, 0, NULL, false, NULL); + struct runs_tree run; + run_init(&run); + attr_set_size(ni, ATTR_EA, NULL, 0, &run, 0, NULL, false, NULL); + run_close(&run); } if (rp_inserted) |