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also don't let user process change ss segment selector when returning from

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signal.
This commit is contained in:
Ben Gras 2009-09-25 17:44:26 +00:00
parent aa1c90fdd7
commit e64e75dbc5
1 changed files with 1 additions and 0 deletions
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1
kernel/system/do_sigreturn.c
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@ -46,6 +46,7 @@ message *m_ptr; /* pointer to request message */
sc.sc_cs = rp->p_reg.cs;
sc.sc_ds = rp->p_reg.ds;
sc.sc_es = rp->p_reg.es;
sc.sc_ss = rp->p_reg.ss;
#if _WORD_SIZE == 4
sc.sc_fs = rp->p_reg.fs;
sc.sc_gs = rp->p_reg.gs;