For some reason they didn't get replaced so far by their paravirt equivalents, resulting in code to be run with interrupts disabled that doesn't expect so (causing, in the observed case, a BUG_ON() to trigger) when syscall auditing is enabled.
David (Cc-ed) came up with an identical fix, so likely this can be taken to count as an ack from him. Reported-by: Peter Moody <pmo...@google.com> Signed-off-by: Jan Beulich <jbeul...@suse.com> Cc: stable@vger.kernel.org Cc: Konrad Rzeszutek Wilk <konrad.w...@oracle.com> Cc: David Vrabel <david.vra...@citrix.com> Tested-by: Peter Moody <pmo...@google.com> --- arch/x86/ia32/ia32entry.S | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- 3.8-rc5/arch/x86/ia32/ia32entry.S +++ 3.8-rc5-x86_64-paravirt-ia32-audit-exit/arch/x86/ia32/ia32entry.S @@ -207,7 +207,7 @@ sysexit_from_sys_call: testl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET) jnz ia32_ret_from_sys_call TRACE_IRQS_ON - sti + ENABLE_INTERRUPTS(CLBR_NONE) movl %eax,%esi /* second arg, syscall return value */ cmpl $-MAX_ERRNO,%eax /* is it an error ? */ jbe 1f @@ -217,7 +217,7 @@ sysexit_from_sys_call: call __audit_syscall_exit movq RAX-ARGOFFSET(%rsp),%rax /* reload syscall return value */ movl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),%edi - cli + DISABLE_INTERRUPTS(CLBR_NONE) TRACE_IRQS_OFF testl %edi,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET) jz \exit -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html