Description
In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fix memory leak on ntfs_fill_super() error path syzbot reported kmemleak as below: BUG: memory leak unreferenced object 0xffff8880122f1540 (size 32): comm "a.out", pid 6664, jiffies 4294939771 (age 25.500s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 ed ff ed ff 00 00 00 00 ................ backtrace: [<ffffffff81b16052>] ntfs_init_fs_context+0x22/0x1c0 [<ffffffff8164aaa7>] alloc_fs_context+0x217/0x430 [<ffffffff81626dd4>] path_mount+0x704/0x1080 [<ffffffff81627e7c>] __x64_sys_mount+0x18c/0x1d0 [<ffffffff84593e14>] do_syscall_64+0x34/0xb0 [<ffffffff84600087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd This patch fixes this issue by freeing mount options on error path of ntfs_fill_super().
Product status
4534a70b7056fd4b9a1c6db5a4ce3c98546b291e (git) before 2dd9ccfb06bcdad30ad92d96c3affa38a458679e
4534a70b7056fd4b9a1c6db5a4ce3c98546b291e (git) before ff0df7d9cdbb12878155168b5234e99029e5377f
4534a70b7056fd4b9a1c6db5a4ce3c98546b291e (git) before 2600c80ea7b39f987c3fa89287e73d62e322bbbd
4534a70b7056fd4b9a1c6db5a4ce3c98546b291e (git) before 51e76a232f8c037f1d9e9922edc25b003d5f3414
5.15
Any version before 5.15
5.15.87 (semver)
6.0.17 (semver)
6.1.3 (semver)
6.2 (original_commit_for_fix)
References
git.kernel.org/...c/2dd9ccfb06bcdad30ad92d96c3affa38a458679e
git.kernel.org/...c/ff0df7d9cdbb12878155168b5234e99029e5377f
git.kernel.org/...c/2600c80ea7b39f987c3fa89287e73d62e322bbbd
git.kernel.org/...c/51e76a232f8c037f1d9e9922edc25b003d5f3414
