Eric Lee / smarc-fsl-linux-kernel

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Commit 4294a8eedb17bbc45e1e7447c2a4d05332943248

Authored by André Goddard Rosa
Committed by Al Viro
1 parent 4919c5e45a
Exists in master and in 39 other branches 8mp-imx_5.4.70_2.3.0, 8qm-imx_5.4.70_2.3.0, emb_imx_lf-5.15.y, emb_lf-6.1.y, imx_3.0.35_4.1.0, imx_3.10.17_1.0.1_ga, imx_3.10.53_1.1.0_ga, imx_3.14.28_1.0.0_ga, imx_4.1.15_1.0.0_ga, pitx_8mp_lf-5.10.y, rt-smarc-imx_4.1.15_1.0.0_ga, rt_linux_5.15.71, smarc-8m-android-11.0.0_2.0.0, smarc-imx6_4.14.98_2.0.0_ga, smarc-imx6_4.9.88_2.0.0_ga, smarc-imx7_4.14.98_2.0.0_ga, smarc-imx7_4.9.11_1.0.0_ga, smarc-imx7_4.9.88_2.0.0_ga, smarc-imx_3.10.53_1.1.0_ga, smarc-imx_3.14.28_1.0.0_ga, smarc-imx_4.1.15_1.0.0_ga, smarc-imx_4.9.11_1.0.0_ga, smarc-imx_4.9.51_imx8m_ga, smarc-imx_4.9.88_2.0.0_ga, smarc-m6.0.1_2.1.0-ga, smarc-n7.1.2_2.0.0-ga, smarc-rel_imx_4.1.15_1.2.0_ga, smarc_8m_00d0_imx_4.14.98_2.0.0_ga, smarc_8m_imx_4.14.78_1.0.0_ga, smarc_8m_imx_4.14.98_2.0.0_ga, smarc_8m_imx_4.19.35_1.1.0, smarc_8mm_imx_4.14.78_1.0.0_ga, smarc_8mm_imx_4.14.98_2.0.0_ga, smarc_8mm_imx_4.19.35_1.1.0, smarc_8mm_imx_5.4.24_2.1.0, smarc_8mp_lf-5.10.y, smarc_8mq_imx_5.4.24_2.1.0, smarc_8mq_lf-5.10.y, smarc_imx_lf-5.15.y

mqueue: fix mq_open() file descriptor leak on user-space processes 

We leak fd on lookup_one_len() failure

Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

Showing 1 changed file with 1 additions and 2 deletions Side-by-side Diff

... ... @@ -705,7 +705,7 @@
705 705 dentry = lookup_one_len(name, ipc_ns->mq_mnt->mnt_root, strlen(name));
706 706 if (IS_ERR(dentry)) {
707 707 error = PTR_ERR(dentry);
708   - goto out_err;
  708 + goto out_putfd;
709 709 }
710 710 mntget(ipc_ns->mq_mnt);
711 711  
... ... @@ -742,7 +742,6 @@
742 742 mntput(ipc_ns->mq_mnt);
743 743 out_putfd:
744 744 put_unused_fd(fd);
745   -out_err:
746 745 fd = error;
747 746 out_upsem:
748 747 mutex_unlock(&ipc_ns->mq_mnt->mnt_root->d_inode->i_mutex);