Date: Mon, 20 Sep 2004 23:44:50 -0700 From: Kris Kennaway <kris@obsecurity.org> To: sparc64@freeBSD.org Subject: Memory modified after free 0xfffff8001b210e00(504) val=deadc0dd @ 0xfffff8001b21 Message-ID: <20040921064450.GA54998@xor.obsecurity.org>
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--k+w/mQv8wyuph6w0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline I just got this panic on an SMP sparc package machine running 6.0: Memory modified after free 0xfffff8001b210e00(504) val=deadc0dd @ 0xfffff8001b210f20 panic: Most recently used by file desc cpuid = 0 KDB: enter: panic [thread 100195] Stopped at kdb_enter+0x38: ta %xcc, 1 db> trace panic() at panic+0x19c mtrash_ctor() at mtrash_ctor+0x7c uma_zalloc_arg() at uma_zalloc_arg+0x3e8 malloc() at malloc+0xa8 fdinit() at fdinit+0x40 fdcopy() at fdcopy+0x28 fork1() at fork1+0x770 fork() at fork+0x10 syscall() at syscall+0x220 -- syscall (2, FreeBSD ELF64, fork) %o7=0x10fe00 -- userland() at 0x40643008 user trace: trap %o7=0x10fe00 pc 0x40643008, sp 0x7fdffffc3d1 pc 0x106e6c, sp 0x7fdffffc491 pc 0x1067d0, sp 0x7fdffffc561 pc 0x107110, sp 0x7fdffffc621 pc 0x10a3b4, sp 0x7fdffffc711 pc 0x109c78, sp 0x7fdffffc8a1 Dumping 512 MB (1 chunks) chunk at 0: 536870912 bytes panic: trap: fast data access mmu miss cpuid = 0 KDB: enter: panic [thread 100195] Stopped at kdb_enter+0x38: ta %xcc, 1 db> Kris --k+w/mQv8wyuph6w0 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.6 (FreeBSD) iD8DBQFBT83iWry0BWjoQKURAiSeAKC+VUsVlCKs9BoVCXiPlzJCSQzPSACg+Orh Jl2NrzCIYrXRppLUXr6d650= =CD+p -----END PGP SIGNATURE----- --k+w/mQv8wyuph6w0--
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