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authorArtem Belov <artem.belov@xored.com>2019-04-18 07:30:43 +0000
committerAndrew Yourtchenko <ayourtch@gmail.com>2019-04-19 12:17:05 +0000
commit0f36ef60d80998983a0502ac3f65b5fa71b8cbc4 (patch)
tree6b5f25d5f13880494d97f6b625e0a68753f2773e /src
parent1dbebfa462e2f0e397579a3f4c24ee1c209a95b4 (diff)
Fix memory corruption faulting [VPP-1639]
File pool may be reallocated on epoll events processing. *f* pointer shows to already freed address and corrupting memory chunk on clib_file_t property change. Change-Id: I751bddce27325452862b939c1a3eec2ccd9b71bb Signed-off-by: Artem Belov <artem.belov@xored.com> (cherry picked from commit 32b07c31876ece35cff1b9ab99a74a631a88e35a)
Diffstat (limited to 'src')
-rw-r--r--src/vlib/unix/input.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/vlib/unix/input.c b/src/vlib/unix/input.c
index 8be0770bfd3..c6ebb997df4 100644
--- a/src/vlib/unix/input.c
+++ b/src/vlib/unix/input.c
@@ -284,14 +284,14 @@ linux_epoll_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
{
if (e->events & EPOLLIN)
{
- errors[n_errors] = f->read_function (f);
f->read_events++;
+ errors[n_errors] = f->read_function (f);
n_errors += errors[n_errors] != 0;
}
if (e->events & EPOLLOUT)
{
- errors[n_errors] = f->write_function (f);
f->write_events++;
+ errors[n_errors] = f->write_function (f);
n_errors += errors[n_errors] != 0;
}
}
@@ -299,8 +299,8 @@ linux_epoll_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
{
if (f->error_function)
{
- errors[n_errors] = f->error_function (f);
f->error_events++;
+ errors[n_errors] = f->error_function (f);
n_errors += errors[n_errors] != 0;
}
else