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| author | Ilya Leoshkevich <iii@linux.ibm.com> | 2023-08-05 01:55:33 +0200 |
|---|---|---|
| committer | Michael Tokarev <mjt@tls.msk.ru> | 2023-09-10 19:39:41 +0300 |
| commit | 62ac9cbb6fe2d088dd56cd258c61b033f610fe6f (patch) | |
| tree | 0dfe390f925e041f0b86225fd90acc189d487d52 | |
| parent | 14f78932e02c15e59f3a0894a08159cd00712765 (diff) | |
| download | qemu-62ac9cbb6fe2d088dd56cd258c61b033f610fe6f.zip qemu-62ac9cbb6fe2d088dd56cd258c61b033f610fe6f.tar.gz qemu-62ac9cbb6fe2d088dd56cd258c61b033f610fe6f.tar.bz2 | |
target/s390x: Fix VSTL with a large length
The length is always truncated to 16 bytes. Do not probe more than
that.
Cc: qemu-stable@nongnu.org
Fixes: 0e0a5b49ad58 ("s390x/tcg: Implement VECTOR STORE WITH LENGTH")
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20230804235624.263260-1-iii@linux.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
(cherry picked from commit 6db3518ba4fcddd71049718f138552999f0d97b4)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
| -rw-r--r-- | target/s390x/tcg/vec_helper.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/target/s390x/tcg/vec_helper.c b/target/s390x/tcg/vec_helper.c index 48d8672..dafc4c3 100644 --- a/target/s390x/tcg/vec_helper.c +++ b/target/s390x/tcg/vec_helper.c @@ -193,7 +193,7 @@ void HELPER(vstl)(CPUS390XState *env, const void *v1, uint64_t addr, uint64_t bytes) { /* Probe write access before actually modifying memory */ - probe_write_access(env, addr, bytes, GETPC()); + probe_write_access(env, addr, MIN(bytes, 16), GETPC()); if (likely(bytes >= 16)) { cpu_stq_data_ra(env, addr, s390_vec_read_element64(v1, 0), GETPC()); |