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coredump: add coredump_cleanup()

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Link: https://lore.kernel.org/20250612-work-coredump-massage-v1-21-315c0c34ba94@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Christian Brauner
2025-06-12 15:25:35 +02:00
parent 7a568fcdad
commit cfd6c12293
1 changed files with 14 additions and 10 deletions
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24
fs/coredump.c
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@@ -1067,6 +1067,18 @@ static bool coredump_write(struct core_name *cn,
return true;
}
static void coredump_cleanup(struct core_name *cn, struct coredump_params *cprm)
{
if (cprm->file)
filp_close(cprm->file, NULL);
if (cn->core_pipe_limit) {
VFS_WARN_ON_ONCE(cn->core_type != COREDUMP_PIPE);
atomic_dec(&core_pipe_count);
}
kfree(cn->corename);
coredump_finish(cn->core_dumped);
}
void vfs_coredump(const kernel_siginfo_t *siginfo)
{
struct core_state core_state;
@@ -1119,7 +1131,7 @@ void vfs_coredump(const kernel_siginfo_t *siginfo)
if (!coredump_parse(&cn, &cprm, &argv, &argc)) {
coredump_report_failure("format_corename failed, aborting core");
goto fail_unlock;
goto close_fail;
}
switch (cn.core_type) {
@@ -1182,15 +1194,7 @@ void vfs_coredump(const kernel_siginfo_t *siginfo)
}
close_fail:
if (cprm.file)
filp_close(cprm.file, NULL);
if (cn.core_pipe_limit) {
VFS_WARN_ON_ONCE(cn.core_type != COREDUMP_PIPE);
atomic_dec(&core_pipe_count);
}
fail_unlock:
kfree(cn.corename);
coredump_finish(cn.core_dumped);
coredump_cleanup(&cn, &cprm);
revert_creds(old_cred);
return;
}