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| author | Kairui Song <[email protected]> | 2025-01-07 06:54:46 +0000 |
|---|---|---|
| committer | Andrew Morton <[email protected]> | 2025-01-13 03:03:37 +0000 |
| commit | 212fe1c0df4a150fb6298db2cfff267ceaba5402 (patch) | |
| tree | ede7fb9e7142bab77a0481f45304244462af815e /net/unix/sysctl_net_unix.c | |
| parent | selftests/mm: set allocated memory to non-zero content in cow test (diff) | |
| download | kernel-212fe1c0df4a150fb6298db2cfff267ceaba5402.tar.gz kernel-212fe1c0df4a150fb6298db2cfff267ceaba5402.zip | |
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/[email protected]
Fixes: 74363ec674cb ("zram: fix uninitialized ZRAM not releasing backing device")
Signed-off-by: Kairui Song <[email protected]>
Reviewed-by: Sergey Senozhatsky <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Diffstat (limited to 'net/unix/sysctl_net_unix.c')
0 files changed, 0 insertions, 0 deletions