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| author | Christian Göttsche <cgzones@googlemail.com> | 2022-06-15 17:44:31 +0200 |
|---|---|---|
| committer | Paul Moore <paul@paul-moore.com> | 2022-06-16 01:28:44 +0200 |
| commit | ef79c396c664be99d0c5660dc75fe863c1e20315 (patch) | |
| tree | 87e0f273a16df374df6b5cd7d636c656d7f7a69e /kernel/auditsc.c | |
| parent | Linux 5.19-rc2 (diff) | |
| download | linux-ef79c396c664be99d0c5660dc75fe863c1e20315.tar.xz linux-ef79c396c664be99d0c5660dc75fe863c1e20315.zip | |
audit: free module name
Reset the type of the record last as the helper `audit_free_module()`
depends on it.
unreferenced object 0xffff888153b707f0 (size 16):
comm "modprobe", pid 1319, jiffies 4295110033 (age 1083.016s)
hex dump (first 16 bytes):
62 69 6e 66 6d 74 5f 6d 69 73 63 00 6b 6b 6b a5 binfmt_misc.kkk.
backtrace:
[<ffffffffa07dbf9b>] kstrdup+0x2b/0x50
[<ffffffffa04b0a9d>] __audit_log_kern_module+0x4d/0xf0
[<ffffffffa03b6664>] load_module+0x9d4/0x2e10
[<ffffffffa03b8f44>] __do_sys_finit_module+0x114/0x1b0
[<ffffffffa1f47124>] do_syscall_64+0x34/0x80
[<ffffffffa200007e>] entry_SYSCALL_64_after_hwframe+0x46/0xb0
Cc: stable@vger.kernel.org
Fixes: 12c5e81d3fd0 ("audit: prepare audit_context for use in calling contexts beyond syscalls")
Signed-off-by: Christian Göttsche <cgzones@googlemail.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
Diffstat (limited to '')
| -rw-r--r-- | kernel/auditsc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/auditsc.c b/kernel/auditsc.c index f3a2abd6d1a1..3a8c9d744800 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -1014,10 +1014,10 @@ static void audit_reset_context(struct audit_context *ctx) ctx->target_comm[0] = '\0'; unroll_tree_refs(ctx, NULL, 0); WARN_ON(!list_empty(&ctx->killed_trees)); - ctx->type = 0; audit_free_module(ctx); ctx->fds[0] = -1; audit_proctitle_free(ctx); + ctx->type = 0; /* reset last for audit_free_*() */ } static inline struct audit_context *audit_alloc_context(enum audit_state state) |