Commit ccc0197b02178f7e1707e659cbc5242fc94b499a
1 parent
bd2b3f2959
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logfs: Close i_ino reuse race
logfs_seek_hole() may return the same offset it is passed as argument. Found by Prasad Joshi <prasadjoshi124@gmail.com> Signed-off-by: Joern Engel <joern@logfs.org>
Showing 1 changed file with 1 additions and 1 deletions Side-by-side Diff
fs/logfs/inode.c
| ... | ... | @@ -326,7 +326,7 @@ |
| 326 | 326 | u64 ino; |
| 327 | 327 | |
| 328 | 328 | mutex_lock(&super->s_journal_mutex); |
| 329 | - ino = logfs_seek_hole(super->s_master_inode, super->s_last_ino); | |
| 329 | + ino = logfs_seek_hole(super->s_master_inode, super->s_last_ino + 1); | |
| 330 | 330 | super->s_last_ino = ino; |
| 331 | 331 | super->s_inos_till_wrap--; |
| 332 | 332 | if (super->s_inos_till_wrap < 0) { |