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Merge pull request #9995 from yuwata/fix-usbffs

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core/socket: fix memleak in the error paths in usbffs_dispatch_eps()
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2018-09-03 14:06:41 +02:00 committed by GitHub
commit b8fc55cb9b
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2 changed files with 14 additions and 10 deletions
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4
TODO
View File

@ -1,7 +1,5 @@
Bugfixes:
* the error paths in usbffs_dispatch_ep() leak memory
* copy.c: set the right chattrs before copying files and others after
External:
@ -14,8 +12,6 @@ Janitorial Clean-ups:
* Rearrange tests so that the various test-xyz.c match a specific src/basic/xyz.c again
* copy.c: set the right chattrs before copying files and others after
* rework mount.c and swap.c to follow proper state enumeration/deserialization
semantics, like we do for device.c now

20
src/core/socket.c
View File

@ -1359,8 +1359,10 @@ static int usbffs_dispatch_eps(SocketPort *p) {
n = (size_t) r;
p->auxiliary_fds = new(int, n);
if (!p->auxiliary_fds)
return -ENOMEM;
if (!p->auxiliary_fds) {
r = -ENOMEM;
goto clear;
}
p->n_auxiliary_fds = n;
@ -1369,8 +1371,10 @@ static int usbffs_dispatch_eps(SocketPort *p) {
_cleanup_free_ char *ep = NULL;
ep = path_make_absolute(ent[i]->d_name, p->path);
if (!ep)
return -ENOMEM;
if (!ep) {
r = -ENOMEM;
goto fail;
}
path_simplify(ep, false);
@ -1379,16 +1383,20 @@ static int usbffs_dispatch_eps(SocketPort *p) {
goto fail;
p->auxiliary_fds[k++] = r;
free(ent[i]);
}
return r;
r = 0;
goto clear;
fail:
close_many(p->auxiliary_fds, k);
p->auxiliary_fds = mfree(p->auxiliary_fds);
p->n_auxiliary_fds = 0;
clear:
for (i = 0; i < n; ++i)
free(ent[i]);
return r;
}