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On clearing "breakpopint", restore syscall number too

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This fixes Fedora bug 659382.
Low risk: this code is not supposed to be used on any non-acient kernel.

* util.c (clearbpt): Restore syscall number too.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2012-05-14 16:40:28 +02:00
parent 24ee60b836
commit 55980f5b72
1 changed files with 2 additions and 1 deletions
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3
util.c
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@ -1512,9 +1512,9 @@ setbpt(struct tcb *tcp)
|| set_arg0(tcp, &state, new_arg0) < 0
|| arg_finish_change(tcp, &state) < 0)
return -1;
tcp->flags |= TCB_BPTSET;
tcp->inst[0] = tcp->u_arg[arg0_index];
tcp->inst[1] = tcp->u_arg[arg1_index];
tcp->flags |= TCB_BPTSET;
return 0;
}
@ -1528,6 +1528,7 @@ clearbpt(struct tcb *tcp)
{
arg_setup_state state;
if (arg_setup(tcp, &state) < 0
|| change_syscall(tcp, tcp->scno) < 0
|| restore_arg0(tcp, &state, tcp->inst[0]) < 0
|| restore_arg1(tcp, &state, tcp->inst[1]) < 0
|| arg_finish_change(tcp, &state))