Date: Thu, 24 Dec 2020 15:24:48 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 252109] With ASLR enabled ulimit -s is crashing Message-ID: <bug-252109-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D252109 Bug ID: 252109 Summary: With ASLR enabled ulimit -s is crashing Product: Base System Version: 12.2-STABLE Hardware: amd64 OS: Any Status: New Severity: Affects Many People Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: daniel@zhelev.biz Created attachment 220893 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D220893&action= =3Dedit coredump from ulimit Summary When trying to set a stack size using ulimit -s while kern.elf*.aslr.enable= =3D1 causes segmentation fault: System: OS: 12.2-RELEASE-p1=20 ARCH: AMD64 Notes: Running on Proxmox VM Steps to reproduce: root@abyss:~ # sysctl kern.elf64.aslr.enable=3D1 kern.elf64.aslr.enable: 1 -> 1 root@abyss:~ # sysctl kern.elf64.aslr.enable=3D0 kern.elf64.aslr.enable: 1 -> 0 root@abyss:~ # ulimit -s 3000 root@abyss:~ # ulimit -s 3000 root@abyss:~ # ulimit -s 3000 root@abyss:~ # ulimit -s 3000 root@abyss:~ # ulimit -s 3000 root@abyss:~ # sysctl kern.elf64.aslr.enable=3D1 kern.elf64.aslr.enable: 0 -> 1 root@abyss:~ # ulimit -s 3000 Segmentation fault (core dumped) root@abyss:~ # Workaround: Disable ASLR sysctl kern.elf64.aslr.enable=3D0 Attached coredump from ulimit. --=20 You are receiving this mail because: You are the assignee for the bug.=
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