From: Gao Xiang <hsiangkao@xxxxxxxxxxxxxxxxx> [ Upstream commit a0961f351d82d43ab0b845304caa235dfe249ae9 ] syzbot reported a WARNING [1] due to corrupted compressed data. As Dmitry said, "If this is not a kernel bug, then the code should not use WARN. WARN if for kernel bugs and is recognized as such by all testing systems and humans." [1] https://lore.kernel.org/r/000000000000b3586105cf0ff45e@xxxxxxxxxx Link: https://lore.kernel.org/r/20211025074311.130395-1-hsiangkao@xxxxxxxxxxxxxxxxx Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx> Reviewed-by: Chao Yu <chao@xxxxxxxxxx> Reported-by: syzbot+d8aaffc3719597e8cfb4@xxxxxxxxxxxxxxxxxxxxxxxxx Signed-off-by: Gao Xiang <hsiangkao@xxxxxxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- fs/erofs/decompressor.c | 1 - 1 file changed, 1 deletion(-) diff --git a/fs/erofs/decompressor.c b/fs/erofs/decompressor.c index a5bc4b1b7813e..ad3f31380e6b2 100644 --- a/fs/erofs/decompressor.c +++ b/fs/erofs/decompressor.c @@ -233,7 +233,6 @@ static int z_erofs_lz4_decompress(struct z_erofs_decompress_req *rq, u8 *out) erofs_err(rq->sb, "failed to decompress %d in[%u, %u] out[%u]", ret, rq->inputsize, inputmargin, rq->outputsize); - WARN_ON(1); print_hex_dump(KERN_DEBUG, "[ in]: ", DUMP_PREFIX_OFFSET, 16, 1, src + inputmargin, rq->inputsize, true); print_hex_dump(KERN_DEBUG, "[out]: ", DUMP_PREFIX_OFFSET, -- 2.33.0
