Checking of NTFS_FLAGS_LOG_REPLAYING added to prevent access to uninitialized bitmap during replay process. Reported-by: syzbot+3bfd2cc059ab93efcdb4@xxxxxxxxxxxxxxxxxxxxxxxxx Signed-off-by: Konstantin Komarov <almaz.alexandrovich@xxxxxxxxxxxxxxxxxxxx> --- fs/ntfs3/frecord.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/ntfs3/frecord.c b/fs/ntfs3/frecord.c index 7d4e54161291..41c7ffad2790 100644 --- a/fs/ntfs3/frecord.c +++ b/fs/ntfs3/frecord.c @@ -102,7 +102,9 @@ void ni_clear(struct ntfs_inode *ni) { struct rb_node *node; - if (!ni->vfs_inode.i_nlink && ni->mi.mrec && is_rec_inuse(ni->mi.mrec)) + if (!ni->vfs_inode.i_nlink && ni->mi.mrec && + is_rec_inuse(ni->mi.mrec) && + !(ni->mi.sbi->flags & NTFS_FLAGS_LOG_REPLAYING)) ni_delete_all(ni); al_destroy(ni); -- 2.34.1