Kairui Song 902ef8f16d zram: fix potential UAF of zram table ... commit 212fe1c0df upstream. If zram_meta_alloc failed early, it frees allocated zram->table without setting it NULL. Which will potentially cause zram_meta_free to access the table if user reset an failed and uninitialized device. Link: https://lkml.kernel.org/r/20250107065446.86928-1-ryncsn@gmail.com Fixes: 74363ec674 ("zram: fix uninitialized ZRAM not releasing backing device") Signed-off-by: Kairui Song <kasong@tencent.com> Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2025-01-23 17:22:58 +01:00
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backend_842.c
backend_842.h
backend_deflate.c
backend_deflate.h
backend_lz4.c
backend_lz4.h
backend_lz4hc.c
backend_lz4hc.h
backend_lzo.c
backend_lzo.h
backend_lzorle.c
backend_lzorle.h
backend_zstd.c
backend_zstd.h
Kconfig
Makefile
zcomp.c
zcomp.h
zram_drv.c	zram: fix potential UAF of zram table	2025-01-23 17:22:58 +01:00
zram_drv.h