Date: Wed, 20 Dec 2017 21:13:58 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 224491] REDZONE: Buffer overflow detected in swap Message-ID: <bug-224491-8@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D224491 Bug ID: 224491 Summary: REDZONE: Buffer overflow detected in swap Product: Base System Version: CURRENT Hardware: amd64 OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: freebsd-bugs@FreeBSD.org Reporter: shurd@FreeBSD.org When shutting down with redzone enabled, I get the following: REDZONE: Buffer overflow detected. 16 bytes corrupted after 0xfffffe0091e67= 688 (6710920 bytes allocated). Allocation backtrace: #0 0xffffffff80d66c09 at redzone_setup+0xe9 #1 0xffffffff80a35323 at malloc+0x273 #2 0xffffffff80a8c967 at blist_create+0x97 #3 0xffffffff80d6bcd7 at swaponsomething+0xa7 #4 0xffffffff80d6a3d3 at sys_swapon+0x413 #5 0xffffffff80f06ceb at amd64_syscall+0x79b #6 0xffffffff80ee58eb at Xfast_syscall+0xfb Free backtrace: #0 0xffffffff80d66f74 at redzone_check+0x304 #1 0xffffffff80a353f4 at free+0x54 #2 0xffffffff80d6ac2d at swapoff_one+0x61d #3 0xffffffff80d6adb7 at swapoff_all+0xd7 #4 0xffffffff80b05c18 at bufshutdown+0x398 #5 0xffffffff80a5a259 at kern_reboot+0x1d9 #6 0xffffffff80a5a024 at sys_reboot+0x3c4 #7 0xffffffff80f06ceb at amd64_syscall+0x79b #8 0xffffffff80ee58eb at Xfast_syscall+0xfb Uptime: 1h29m58s This is with -CURRENT as of today, zfsroot with a separate swap partition that's considerably larger than current RAM (approx 6x as large). 16GB of = RAM, 96GB of swap. --=20 You are receiving this mail because: You are the assignee for the bug.=
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