63 lines
1.8 KiB
Diff
63 lines
1.8 KiB
Diff
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From 2c651d3ed5e7d7d78338ce542e66ee9fb36a9275 Mon Sep 17 00:00:00 2001
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From: zhongtao <zhongtao17@huawei.com>
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Date: Sun, 14 May 2023 14:25:22 +0800
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Subject: [PATCH 4/9] ensure isulad_io not NULL before close fd
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Signed-off-by: zhongtao <zhongtao17@huawei.com>
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---
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src/cmd/isulad-shim/process.c | 28 ++++++++++++++++------------
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1 file changed, 16 insertions(+), 12 deletions(-)
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diff --git a/src/cmd/isulad-shim/process.c b/src/cmd/isulad-shim/process.c
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index 7716c288..6ad50c53 100644
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--- a/src/cmd/isulad-shim/process.c
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+++ b/src/cmd/isulad-shim/process.c
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@@ -194,6 +194,10 @@ static int stdin_cb(int fd, uint32_t events, void *cbdata, struct epoll_descr *d
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} else {
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fd_to = &(p->shim_io->in);
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}
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+
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+ if (fd_to == NULL || *fd_to == -1) {
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+ return EPOLL_LOOP_HANDLE_CONTINUE;
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+ }
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w_count = write_nointr_in_total(*fd_to, p->buf, r_count);
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if (w_count < 0) {
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/* When any error occurs, set the write fd -1 */
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@@ -797,21 +801,21 @@ static int init_isulad_stdio(process_t *p)
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return SHIM_OK;
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failure:
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if (p->isulad_io != NULL) {
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+ if (p->isulad_io->in > 0) {
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+ close(p->isulad_io->in);
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+ }
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+ if (p->isulad_io->out > 0) {
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+ close(p->isulad_io->out);
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+ }
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+ if (p->isulad_io->err > 0) {
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+ close(p->isulad_io->err);
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+ }
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+ if (p->isulad_io->resize > 0) {
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+ close(p->isulad_io->resize);
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+ }
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free(p->isulad_io);
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p->isulad_io = NULL;
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}
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- if (p->isulad_io->in > 0) {
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- close(p->isulad_io->in);
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- }
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- if (p->isulad_io->out > 0) {
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- close(p->isulad_io->out);
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- }
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- if (p->isulad_io->err > 0) {
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- close(p->isulad_io->err);
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- }
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- if (p->isulad_io->resize > 0) {
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- close(p->isulad_io->resize);
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- }
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return SHIM_ERR;
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}
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--
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2.40.1
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