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syscall.c: set errno if syscall is tampered

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This commit is contained in:
Eugene Syromyatnikov 2018-02-07 02:17:18 +01:00 committed by Dmitry V. Levin
parent bbc29521f7
commit 34c644b485
1 changed files with 3 additions and 1 deletions
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4
syscall.c
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@ -1255,7 +1255,9 @@ get_syscall_result(struct tcb *tcp)
if (get_syscall_result_regs(tcp) < 0)
return -1;
tcp->u_error = 0;
get_error(tcp, !(tcp->s_ent->sys_flags & SYSCALL_NEVER_FAILS));
get_error(tcp,
!(tcp->s_ent->sys_flags & SYSCALL_NEVER_FAILS)
|| syscall_tampered(tcp));
return 1;
}