Messages in this thread Patch in this message | | | From | Gao Xiang <> | Subject | [PATCH] erofs: fix kvcalloc() misuse with __GFP_NOFAIL | Date | Fri, 6 Jan 2023 11:19:37 +0800 |
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As reported by syzbot [1], kvcalloc() cannot work with __GFP_NOFAIL. Let's use kcalloc() instead.
[1] https://lore.kernel.org/r/0000000000007796bd05f1852ec2@google.com Reported-by: syzbot+c3729cda01706a04fb98@syzkaller.appspotmail.com Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com> --- fs/erofs/zdata.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/fs/erofs/zdata.c b/fs/erofs/zdata.c index ccf7c55d477f..08e982c77985 100644 --- a/fs/erofs/zdata.c +++ b/fs/erofs/zdata.c @@ -1032,12 +1032,12 @@ static int z_erofs_decompress_pcluster(struct z_erofs_decompress_backend *be, if (!be->decompressed_pages) be->decompressed_pages = - kvcalloc(be->nr_pages, sizeof(struct page *), - GFP_KERNEL | __GFP_NOFAIL); + kcalloc(be->nr_pages, sizeof(struct page *), + GFP_KERNEL | __GFP_NOFAIL); if (!be->compressed_pages) be->compressed_pages = - kvcalloc(pclusterpages, sizeof(struct page *), - GFP_KERNEL | __GFP_NOFAIL); + kcalloc(pclusterpages, sizeof(struct page *), + GFP_KERNEL | __GFP_NOFAIL); z_erofs_parse_out_bvecs(be); err2 = z_erofs_parse_in_bvecs(be, &overlapped); -- 2.24.4
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