From: Gao Xiang hsiangkao@linux.alibaba.com
[ 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@google.com
Link: https://lore.kernel.org/r/20211025074311.130395-1-hsiangkao@linux.alibaba.co... Cc: Dmitry Vyukov dvyukov@google.com Reviewed-by: Chao Yu chao@kernel.org Reported-by: syzbot+d8aaffc3719597e8cfb4@syzkaller.appspotmail.com Signed-off-by: Gao Xiang hsiangkao@linux.alibaba.com Signed-off-by: Sasha Levin sashal@kernel.org --- 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,