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authorWill Drewry <wad@chromium.org>2012-04-12 16:48:01 -0500
committerJames Morris <james.l.morris@oracle.com>2012-04-14 11:13:21 +1000
commitbb6ea4301a1109afdacaee576fedbfcd7152fc86 (patch)
tree5412219057d8e0ec2a30d0a1ad4f6b7dd398c754 /include/asm-generic/siginfo.h
parenta0727e8ce513fe6890416da960181ceb10fbfae6 (diff)
downloadlinux-linaro-stable-bb6ea4301a1109afdacaee576fedbfcd7152fc86.tar.gz
seccomp: Add SECCOMP_RET_TRAP
Adds a new return value to seccomp filters that triggers a SIGSYS to be delivered with the new SYS_SECCOMP si_code. This allows in-process system call emulation, including just specifying an errno or cleanly dumping core, rather than just dying. Suggested-by: Markus Gutschke <markus@chromium.org> Suggested-by: Julien Tinnes <jln@chromium.org> Signed-off-by: Will Drewry <wad@chromium.org> Acked-by: Eric Paris <eparis@redhat.com> v18: - acked-by, rebase - don't mention secure_computing_int() anymore v15: - use audit_seccomp/skip - pad out error spacing; clean up switch (indan@nul.nu) v14: - n/a v13: - rebase on to 88ebdda6159ffc15699f204c33feb3e431bf9bdc v12: - rebase on to linux-next v11: - clarify the comment (indan@nul.nu) - s/sigtrap/sigsys v10: - use SIGSYS, syscall_get_arch, updates arch/Kconfig note suggested-by (though original suggestion had other behaviors) v9: - changes to SIGILL v8: - clean up based on changes to dependent patches v7: - introduction Signed-off-by: James Morris <james.l.morris@oracle.com>
Diffstat (limited to 'include/asm-generic/siginfo.h')
-rw-r--r--include/asm-generic/siginfo.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/asm-generic/siginfo.h b/include/asm-generic/siginfo.h
index 31306f55eb02..af5d0350f84c 100644
--- a/include/asm-generic/siginfo.h
+++ b/include/asm-generic/siginfo.h
@@ -93,7 +93,7 @@ typedef struct siginfo {
/* SIGSYS */
struct {
- void __user *_call_addr; /* calling insn */
+ void __user *_call_addr; /* calling user insn */
int _syscall; /* triggering system call number */
unsigned int _arch; /* AUDIT_ARCH_* of syscall */
} _sigsys;