Messages in this thread | | | From | Kees Cook <> | Subject | Re: [PATCH] fs/binfmt_elf: Fix memory leak in load_elf_binary() | Date | Tue, 25 Oct 2022 15:24:41 -0700 |
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On Mon, 24 Oct 2022 23:44:21 +0800, Li Zetao wrote: > There is a memory leak reported by kmemleak: > > unreferenced object 0xffff88817104ef80 (size 224): > comm "xfs_admin", pid 47165, jiffies 4298708825 (age 1333.476s) > hex dump (first 32 bytes): > 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ > 60 a8 b3 00 81 88 ff ff a8 10 5a 00 81 88 ff ff `.........Z..... > backtrace: > [<ffffffff819171e1>] __alloc_file+0x21/0x250 > [<ffffffff81918061>] alloc_empty_file+0x41/0xf0 > [<ffffffff81948cda>] path_openat+0xea/0x3d30 > [<ffffffff8194ec89>] do_filp_open+0x1b9/0x290 > [<ffffffff8192660e>] do_open_execat+0xce/0x5b0 > [<ffffffff81926b17>] open_exec+0x27/0x50 > [<ffffffff81a69250>] load_elf_binary+0x510/0x3ed0 > [<ffffffff81927759>] bprm_execve+0x599/0x1240 > [<ffffffff8192a997>] do_execveat_common.isra.0+0x4c7/0x680 > [<ffffffff8192b078>] __x64_sys_execve+0x88/0xb0 > [<ffffffff83bbf0a5>] do_syscall_64+0x35/0x80 > > [...]
Applied to for-next/execve, thanks!
[1/1] fs/binfmt_elf: Fix memory leak in load_elf_binary() https://git.kernel.org/kees/c/594d2a14f216
-- Kees Cook
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