Hello! This is an experimental semi-automated report about issues detected by Coverity from a scan of next-20210408 as part of the linux-next scan project: https://scan.coverity.com/projects/linux-next-weekly-scan You're getting this email because you were associated with the identified lines of code (noted below) that were touched by commits: Wed Apr 7 13:17:55 2021 +0800 c660a3a86e7e ("erofs: support decompress big pcluster for lz4 backend") Coverity reported the following: *** CID 1503704: Uninitialized variables (UNINIT) /fs/erofs/decompressor.c: 160 in z_erofs_handle_inplace_io() 154 } 155 kunmap_atomic(inpage); 156 might_sleep(); 157 while (1) { 158 src = vm_map_ram(rq->in, nrpages_in, -1); 159 /* retry two more times (totally 3 times) */ vvv CID 1503704: Uninitialized variables (UNINIT) vvv Using uninitialized value "i". 160 if (src || ++i >= 3) 161 break; 162 vm_unmap_aliases(); 163 } 164 *maptype = 1; 165 return src; If this is a false positive, please let us know so we can mark it as such, or teach the Coverity rules to be smarter. If not, please make sure fixes get into linux-next. :) For patches fixing this, please include these lines (but double-check the "Fixes" first): Reported-by: coverity-bot <keescook+coverity-bot@xxxxxxxxxxxx> Addresses-Coverity-ID: 1503704 ("Uninitialized variables") Fixes: c660a3a86e7e ("erofs: support decompress big pcluster for lz4 backend") Thanks for your attention! -- Coverity-bot