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| author | Stefan Haberland <sth@linux.ibm.com> | 2024-07-03 11:23:12 +0200 |
|---|---|---|
| committer | Heiko Carstens <hca@linux.ibm.com> | 2024-07-03 16:27:06 +0200 |
| commit | b3a58f3b90f564f42a5c35778d8c5107b2c2150b (patch) | |
| tree | 75d655b3b6cbc27df1fac36c661fd5297b9f1cd1 /net/sched/act_api.c | |
| parent | 2ae157ec497d93c639a60e730e21ec9c66fa9a6e (diff) | |
s390/dasd: Fix invalid dereferencing of indirect CCW data pointer
Fix invalid dereferencing of indirect CCW data pointer in
dasd_eckd_dump_sense() that leads to a kernel panic in error cases.
When using indirect addressing for DASD CCWs (IDAW) the CCW CDA pointer
does not contain the data address itself but a pointer to the IDAL.
This needs to be translated from physical to virtual as well before
using it.
This dereferencing is also used for dasd_page_cache and also fixed
although it is very unlikely that this code path ever gets used.
Fixes: c0bd39601c13 ("s390/dasd: use new address translation helpers")
Cc: stable@vger.kernel.org
Signed-off-by: Stefan Haberland <sth@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Diffstat (limited to 'net/sched/act_api.c')
0 files changed, 0 insertions, 0 deletions