Kairui Song 212fe1c0df zram: fix potential UAF of zram table ...

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>

2025-01-12 19:03:37 -08:00

..

backend_842.c

zram: move immutable comp params away from per-CPU context

2024-09-09 16:39:10 -07:00

backend_842.h

zram: add 842 compression backend support

2024-09-09 16:39:08 -07:00

backend_deflate.c

zram: move immutable comp params away from per-CPU context

2024-09-09 16:39:10 -07:00

backend_deflate.h

zram: add zlib compression backend support

2024-09-09 16:39:08 -07:00

backend_lz4.c

zram: add dictionary support to lz4

2024-09-09 16:39:11 -07:00

backend_lz4.h

zram: add lz4 compression backend support

2024-09-09 16:39:07 -07:00

backend_lz4hc.c

zram: add dictionary support to lz4hc

2024-09-09 16:39:11 -07:00

backend_lz4hc.h

zram: add lz4hc compression backend support

2024-09-09 16:39:07 -07:00

backend_lzo.c

zram: move immutable comp params away from per-CPU context

2024-09-09 16:39:10 -07:00

backend_lzo.h

zram: add lzo and lzorle compression backends support

2024-09-09 16:39:07 -07:00

backend_lzorle.c

zram: move immutable comp params away from per-CPU context

2024-09-09 16:39:10 -07:00

backend_lzorle.h

zram: add lzo and lzorle compression backends support

2024-09-09 16:39:07 -07:00

backend_zstd.c

zram: add dictionary support to zstd backend

2024-09-09 16:39:11 -07:00

backend_zstd.h

zram: add zstd compression backend support

2024-09-09 16:39:08 -07:00

Kconfig

zram: ZRAM_DEF_COMP should depend on ZRAM

2024-11-11 17:22:27 -08:00

Makefile

zram: add 842 compression backend support

2024-09-09 16:39:08 -07:00

zcomp.c

zram: move immutable comp params away from per-CPU context

2024-09-09 16:39:10 -07:00

zcomp.h

zram: move immutable comp params away from per-CPU context

2024-09-09 16:39:10 -07:00

zram_drv.c

zram: fix potential UAF of zram table

2025-01-12 19:03:37 -08:00

zram_drv.h

zram: remove UNDER_WB and simplify writeback

2024-11-05 16:56:23 -08:00