Date: Wed, 1 Aug 2012 10:18:00 GMT From: Andrey Zonov <andrey@zonov.org> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/170309: [double fault] stack overflow in VOP_IOCTL_APV() Message-ID: <201208011018.q71AI0S4046569@red.freebsd.org> Resent-Message-ID: <201208011020.q71AK5A2019372@freefall.freebsd.org>
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>Number: 170309 >Category: kern >Synopsis: [double fault] stack overflow in VOP_IOCTL_APV() >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Wed Aug 01 10:20:05 UTC 2012 >Closed-Date: >Last-Modified: >Originator: Andrey Zonov >Release: 9.0-STABLE >Organization: >Environment: FreeBSD [snip] 9.0-STABLE FreeBSD 9.0-STABLE #2 r234600M: Fri May 25 14:06:59 MSK 2012 root@[snip]:/usr/obj/usr/src/sys/stable9-amd64-dtrace amd64 >Description: Backtrace: Tracing pid 20444 tid 6507799 td 0xfffffe02905bd8e0 kdb_enter() at kdb_enter+0x3b panic() at panic+0x180 dblfault_handler() at dblfault_handler+0xa4 Xdblfault() at Xdblfault+0xa8 --- trap 0x17, rip = 0xffffffff808a7177, rsp = 0xffffff80002e7ff0, rbp = 0xffffff8bf1cd0000 --- VOP_IOCTL_APV() at VOP_IOCTL_APV+0x7 VOP_IOCTL_APV() at VOP_IOCTL_APV+0x4a VOP_IOCTL_APV() at VOP_IOCTL_APV+0x4a .. VOP_IOCTL_APV() at VOP_IOCTL_APV+0x4a VOP_IOCTL_APV() at VOP_IOCTL_APV+0x4a VOP_IOCTL_APV() at VOP_IOCTL_APV+0x4a vn_ioctl() at vn_ioctl+0xcc kern_ioctl() at kern_ioctl+0x115 sys_ioctl() at sys_ioctl+0xfd amd64_syscall() at amd64_syscall+0x5e3 Xfast_syscall() at Xfast_syscall+0xf7 --- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x71cf294c, rsp = 0x7fffffffd408, rbp = 0x7201ab00 --- >How-To-Repeat: >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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