From: Kevin Wolf <kwolf@redhat.com>
To: qemu-block@nongnu.org
Cc: kwolf@redhat.com, peter.maydell@linaro.org, qemu-devel@nongnu.org
Subject: [Qemu-devel] [PULL 05/22] pr-manager: Fix invalid g_free() crash bug
Date: Thu, 12 Sep 2019 15:45:47 +0200 [thread overview]
Message-ID: <20190912134604.22019-6-kwolf@redhat.com> (raw)
In-Reply-To: <20190912134604.22019-1-kwolf@redhat.com>
From: Markus Armbruster <armbru@redhat.com>
pr_manager_worker() passes its @opaque argument to g_free(). Wrong;
it points to pr_manager_worker()'s automatic @data. Broken when
commit 2f3a7ab39be converted @data from heap- to stack-allocated. Fix
by deleting the g_free().
Fixes: 2f3a7ab39bec4ba8022dc4d42ea641165b004e3e
Cc: qemu-stable@nongnu.org
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
scsi/pr-manager.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/scsi/pr-manager.c b/scsi/pr-manager.c
index ee43663576..0c866e8698 100644
--- a/scsi/pr-manager.c
+++ b/scsi/pr-manager.c
@@ -39,7 +39,6 @@ static int pr_manager_worker(void *opaque)
int fd = data->fd;
int r;
- g_free(data);
trace_pr_manager_run(fd, hdr->cmdp[0], hdr->cmdp[1]);
/* The reference was taken in pr_manager_execute. */
--
2.20.1
next prev parent reply other threads:[~2019-09-12 13:56 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-12 13:45 [Qemu-devel] [PULL 00/22] Block layer patches Kevin Wolf
2019-09-12 13:45 ` [Qemu-devel] [PULL 01/22] qcow2: Fix the calculation of the maximum L2 cache size Kevin Wolf
2019-09-12 13:45 ` [Qemu-devel] [PULL 02/22] job: drop job_drain Kevin Wolf
2019-09-12 13:45 ` [Qemu-devel] [PULL 03/22] block/file-posix: Reduce xfsctl() use Kevin Wolf
2019-09-12 13:45 ` [Qemu-devel] [PULL 04/22] iotests: Test reverse sub-cluster qcow2 writes Kevin Wolf
2019-09-12 13:45 ` Kevin Wolf [this message]
2019-09-12 13:45 ` [Qemu-devel] [PULL 06/22] file-posix: Fix has_write_zeroes after NO_FALLBACK Kevin Wolf
2019-09-12 13:45 ` [Qemu-devel] [PULL 07/22] vpc: Return 0 from vpc_co_create() on success Kevin Wolf
2019-09-12 13:45 ` [Qemu-devel] [PULL 08/22] iotests: Add supported protocols to execute_test() Kevin Wolf
2019-09-12 13:45 ` [Qemu-devel] [PULL 09/22] iotests: Restrict file Python tests to file Kevin Wolf
2019-09-12 13:45 ` [Qemu-devel] [PULL 10/22] iotests: Restrict nbd Python tests to nbd Kevin Wolf
2019-09-12 13:45 ` [Qemu-devel] [PULL 11/22] iotests: Test blockdev-create for vpc Kevin Wolf
2019-09-12 13:45 ` [Qemu-devel] [PULL 12/22] iotests: skip 232 when run tests as root Kevin Wolf
2019-09-12 13:45 ` [Qemu-devel] [PULL 13/22] block/nfs: add support for nfs_umount Kevin Wolf
2019-09-12 13:45 ` [Qemu-devel] [PULL 14/22] iotests: allow Valgrind checking all QEMU processes Kevin Wolf
2019-09-12 13:45 ` [Qemu-devel] [PULL 15/22] iotests: exclude killed processes from running under Valgrind Kevin Wolf
2019-09-12 13:45 ` [Qemu-devel] [PULL 16/22] iotests: Add casenotrun report to bash tests Kevin Wolf
2019-09-12 13:45 ` [Qemu-devel] [PULL 17/22] iotests: Valgrind fails with nonexistent directory Kevin Wolf
2019-09-12 13:46 ` [Qemu-devel] [PULL 18/22] iotests: extended timeout under Valgrind Kevin Wolf
2019-09-12 13:46 ` [Qemu-devel] [PULL 19/22] iotests: extend sleeping time " Kevin Wolf
2019-09-12 13:46 ` [Qemu-devel] [PULL 20/22] qemu-io: Don't leak pattern file in error path Kevin Wolf
2019-09-12 13:46 ` [Qemu-devel] [PULL 21/22] block/create: Do not abort if a block driver is not available Kevin Wolf
2019-09-12 13:46 ` [Qemu-devel] [PULL 22/22] qcow2: Stop overwriting compressed clusters one by one Kevin Wolf
2019-09-13 13:37 ` [Qemu-devel] [PULL 00/22] Block layer patches Peter Maydell
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