Date: Thu, 31 Mar 2016 20:34:04 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 206761] Kernel stack overflow in sysctl handler for kern.binmisc.add Message-ID: <bug-206761-8-fXecwO78k7@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-206761-8@https.bugs.freebsd.org/bugzilla/> References: <bug-206761-8@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D206761 --- Comment #11 from Sean Bruno <sbruno@FreeBSD.org> --- Without this patch from sson, machine panics as described: panic: stack overflow detected; backtrace may be corrupted cpuid =3D 3 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe046ad0c= b40 vpanic() at vpanic+0x182/frame 0xfffffe046ad0cbc0 panic() at panic+0x43/frame 0xfffffe046ad0cc20 __stack_chk_fail() at __stack_chk_fail+0x12/frame 0xfffffe046ad0cc30 sysctl_kern_binmisc() at sysctl_kern_binmisc+0x7b4/frame 0xfffffe046ad0d8b0 KDB: enter: panic [ thread pid 16434 tid 101185 ] Stopped at kdb_enter+0x3b: movq $0,kdb_why db> bt Tracing pid 16434 tid 101185 td 0xfffff8010054b9a0 kdb_enter() at kdb_enter+0x3b/frame 0xfffffe046ad0cb40 vpanic() at vpanic+0x19f/frame 0xfffffe046ad0cbc0 panic() at panic+0x43/frame 0xfffffe046ad0cc20 __stack_chk_fail() at __stack_chk_fail+0x12/frame 0xfffffe046ad0cc30 sysctl_kern_binmisc() at sysctl_kern_binmisc+0x7b4/frame 0xfffffe046ad0d8b0 db> --=20 You are receiving this mail because: You are the assignee for the bug.=
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