On Mon, Jul 02, 2018 at 02:25:38PM +0800, Qu Wenruo wrote: > Reported in https://bugzilla.kernel.org/show_bug.cgi?id=199833, where an > invalid tree reloc tree can cause kernel NULL pointer dereference when > btrfs does some cleanup for reloc roots. > > It turns out that fs_info->reloc_ctl can be NULL in > btrfs_recover_relocation() as we allocate relocation control after all > reloc roots are verified. > So when we hit out: tag, we haven't call set_reloc_control() thus > fs_info->reloc_ctl is still NULL. > > Reported-by: Xu Wen <wen...@gatech.edu> > Signed-off-by: Qu Wenruo <w...@suse.com>
Thanks for the fix, patch added to the queue. I've added the fuzzed image from bugzilla to btrfs-progs. -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
