public-mirrors/linux
1
0
Fork 0
mirror of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-10-31 16:54:21 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

- dm: fix reading past the end of allocated memory

Browse source 
- dm: fix missing dm_put_live_table() in dm_keyslot_evict()
 -----BEGIN PGP SIGNATURE-----
 
 iIoEABYIADIWIQRnH8MwLyZDhyYfesYTAyx9YGnhbQUCaBn8PhQcbXBhdG9ja2FA
 cmVkaGF0LmNvbQAKCRATAyx9YGnhbVCUAQDDMCRu68hiL5SWai9YXhw40rPTuC7k
 e/zHIwRsObItgAD/YvRH1d85XBhQY5x3PCHa3j1u9q+S3uF4naG1n1afqw8=
 =L5lI
 -----END PGP SIGNATURE-----

Merge tag 'for-6.15/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper fixes from Mikulas Patocka:

 - fix reading past the end of allocated memory

 - fix missing dm_put_live_table() in dm_keyslot_evict()

* tag 'for-6.15/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  dm: fix copying after src array boundaries
  dm: add missing unlock on in dm_keyslot_evict()
This commit is contained in:
Linus Torvalds 2025-05-06 08:14:20 -07:00
commit cccd033714
1 changed files with 3 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
drivers/md/dm-table.c
View file

@ -524,9 +524,9 @@ static char **realloc_argv(unsigned int *size, char **old_argv)
}
argv = kmalloc_array(new_size, sizeof(*argv), gfp);
if (argv) {
*size = new_size;
if (old_argv)
memcpy(argv, old_argv, *size * sizeof(*argv));
*size = new_size;
}
kfree(old_argv);
@ -1173,7 +1173,7 @@ static int dm_keyslot_evict(struct blk_crypto_profile *profile,
t = dm_get_live_table(md, &srcu_idx);
if (!t)
return 0;
goto put_live_table;
for (unsigned int i = 0; i < t->num_targets; i++) {
struct dm_target *ti = dm_table_get_target(t, i);
@ -1184,6 +1184,7 @@ static int dm_keyslot_evict(struct blk_crypto_profile *profile,
(void *)key);
}
put_live_table:
dm_put_live_table(md, srcu_idx);
return 0;
}