kvmalloc needs to check __GFP_NOWARN, so this flag should be passed before applying for memory. Fixes: fc471e39e38f ("fs/ntfs3: Use kvmalloc instead of kmalloc(... __GFP_NOWARN)") Reported-and-tested-by: syzbot+f987ceaddc6bcc334cde@xxxxxxxxxxxxxxxxxxxxxxxxx Signed-off-by: Edward Adam Davis <eadavis@xxxxxx> --- fs/ntfs3/attrlist.c | 4 ++-- fs/ntfs3/bitmap.c | 2 +- fs/ntfs3/super.c | 2 +- 3 files changed, 4 insertions(+), 4 deletions(-) diff --git a/fs/ntfs3/attrlist.c b/fs/ntfs3/attrlist.c index 7c01735d1219..e631ecc1b9df 100644 --- a/fs/ntfs3/attrlist.c +++ b/fs/ntfs3/attrlist.c @@ -53,7 +53,7 @@ int ntfs_load_attr_list(struct ntfs_inode *ni, struct ATTRIB *attr) if (!attr->non_res) { lsize = le32_to_cpu(attr->res.data_size); /* attr is resident: lsize < record_size (1K or 4K) */ - le = kvmalloc(al_aligned(lsize), GFP_KERNEL); + le = kvmalloc(al_aligned(lsize), GFP_KERNEL | __GFP_NOWARN); if (!le) { err = -ENOMEM; goto out; @@ -91,7 +91,7 @@ int ntfs_load_attr_list(struct ntfs_inode *ni, struct ATTRIB *attr) * the result is 16M bytes per attribute list. * Use kvmalloc to allocate in range [several Kbytes - dozen Mbytes] */ - le = kvmalloc(al_aligned(lsize), GFP_KERNEL); + le = kvmalloc(al_aligned(lsize), GFP_KERNEL | __GFP_NOWARN); if (!le) { err = -ENOMEM; goto out; diff --git a/fs/ntfs3/bitmap.c b/fs/ntfs3/bitmap.c index 63f14a0232f6..49e660be9a0f 100644 --- a/fs/ntfs3/bitmap.c +++ b/fs/ntfs3/bitmap.c @@ -660,7 +660,7 @@ int wnd_init(struct wnd_bitmap *wnd, struct super_block *sb, size_t nbits) wnd->bits_last = wbits; wnd->free_bits = - kvmalloc_array(wnd->nwnd, sizeof(u16), GFP_KERNEL | __GFP_ZERO); + kvmalloc_array(wnd->nwnd, sizeof(u16), GFP_KERNEL | __GFP_ZERO | __GFP_NOWARN); if (!wnd->free_bits) return -ENOMEM; diff --git a/fs/ntfs3/super.c b/fs/ntfs3/super.c index 9153dffde950..87778834aa9c 100644 --- a/fs/ntfs3/super.c +++ b/fs/ntfs3/super.c @@ -1413,7 +1413,7 @@ static int ntfs_fill_super(struct super_block *sb, struct fs_context *fc) } bytes = inode->i_size; - sbi->def_table = t = kvmalloc(bytes, GFP_KERNEL); + sbi->def_table = t = kvmalloc(bytes, GFP_KERNEL | __GFP_NOWARN); if (!t) { err = -ENOMEM; goto put_inode_out; -- 2.43.0