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[Qemu-trivial] [PULL 22/31] chardev/baum: fix baum that releases brlapi
From: |
Michael Tokarev |
Subject: |
[Qemu-trivial] [PULL 22/31] chardev/baum: fix baum that releases brlapi twice |
Date: |
Mon, 25 Sep 2017 00:22:40 +0300 |
From: Liang Yan <address@hidden>
Error process of baum_chr_open needs to set brlapi null, so it won't
get released twice in char_braille_finalize, which will cause
"/usr/bin/qemu-system-x86_64: double free or corruption (!prev)"
Signed-off-by: Liang Yan <address@hidden>
Reviewed-by: Marc-André Lureau <address@hidden>
Signed-off-by: Michael Tokarev <address@hidden>
---
chardev/baum.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/chardev/baum.c b/chardev/baum.c
index 302dd9666c..67fd783a59 100644
--- a/chardev/baum.c
+++ b/chardev/baum.c
@@ -643,6 +643,7 @@ static void baum_chr_open(Chardev *chr,
error_setg(errp, "brlapi__openConnection: %s",
brlapi_strerror(brlapi_error_location()));
g_free(handle);
+ baum->brlapi = NULL;
return;
}
baum->deferred_init = 0;
--
2.11.0
- [Qemu-trivial] [PULL 25/31] osdep: Fix ROUND_UP(64-bit, 32-bit), (continued)
- [Qemu-trivial] [PULL 25/31] osdep: Fix ROUND_UP(64-bit, 32-bit), Michael Tokarev, 2017/09/24
- [Qemu-trivial] [PULL 24/31] target/xtensa: Use the pre-defined MEMTXATTRS_UNSPECIFIED macro, Michael Tokarev, 2017/09/24
- [Qemu-trivial] [PULL 13/31] MAINTAINERS: add missing entry for Generic Loader, Michael Tokarev, 2017/09/24
- [Qemu-trivial] [PULL 05/31] MAINTAINERS: add missing entry for vhost, Michael Tokarev, 2017/09/24
- [Qemu-trivial] [PULL 08/31] MAINTAINERS: add missing qcow2 entry, Michael Tokarev, 2017/09/24
- [Qemu-trivial] [PULL 15/31] MAINTAINERS: update docs/devel/ entries, Michael Tokarev, 2017/09/24
- [Qemu-trivial] [PULL 18/31] util/qemu-thread-posix.c: Replace OS ifdefs with CONFIG_HAVE_SEM_TIMEDWAIT, Michael Tokarev, 2017/09/24
- [Qemu-trivial] [PULL 23/31] trivial: Add missing "-m" parameter in docs/memory-hotplug.txt, Michael Tokarev, 2017/09/24
- [Qemu-trivial] [PULL 30/31] Drop gld linker usage on SunOS, Michael Tokarev, 2017/09/24
- [Qemu-trivial] [PULL 20/31] hw/display/xenfb.c: Add trace_xenfb_key_event, Michael Tokarev, 2017/09/24
- [Qemu-trivial] [PULL 22/31] chardev/baum: fix baum that releases brlapi twice,
Michael Tokarev <=
- [Qemu-trivial] [PULL 29/31] tests/boot-sector: Increase timeout to 600 seconds, Michael Tokarev, 2017/09/24
- [Qemu-trivial] [PULL 19/31] aux-to-i2c-bridge: don't allow user to create one, Michael Tokarev, 2017/09/24
- [Qemu-trivial] [PULL 31/31] hw/isa/pc87312: Mark the device with user_creatable = false, Michael Tokarev, 2017/09/24
- [Qemu-trivial] [PULL 09/31] MAINTAINERS: add missing PCI entries, Michael Tokarev, 2017/09/24
- [Qemu-trivial] [PULL 27/31] nbd-client: Use correct macro parenthesization, Michael Tokarev, 2017/09/24
- Re: [Qemu-trivial] [Qemu-devel] [PULL 00/31] Trivial patches for 2017-09-25, Peter Maydell, 2017/09/25