Al Viro e472f6814c hostfs: fix memory handling in follow_link() ... [ Upstream commit 7f6c411c9b50cfab41cc798e003eff27608c7016 ] 1) argument should not be freed in any case - the caller already has it as ->s_fs_info (and uses it a lot afterwards) 2) allocate readlink buffer with kmalloc() - the caller has no way to tell if it's got that (on absolute symlink) or a result of kasprintf(). Sure, for SLAB and SLUB kfree() works on results of kmem_cache_alloc(), but that's not documented anywhere, might change in the future *and* is already not true for SLOB. Fixes: 52b209f7b8 ("get rid of hostfs_read_inode()") Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Sasha Levin <sashal@kernel.org>		2021-04-14 08:24:14 +02:00
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hostfs_kern.c	hostfs: fix memory handling in follow_link()	2021-04-14 08:24:14 +02:00
hostfs_user.c
hostfs.h
Makefile