Date: Sat, 15 Jan 2005 21:04:33 -0800 From: Kris Kennaway <kris@obsecurity.org> To: Kris Kennaway <kris@obsecurity.org> Cc: current@FreeBSD.org Subject: Re: fstat triggered INVARIANTS panic in memrw() Message-ID: <20050116050433.GA65733@xor.obsecurity.org> In-Reply-To: <20050116003432.GA448@xor.obsecurity.org> References: <20050115083847.GA47466@xor.obsecurity.org> <20050116003432.GA448@xor.obsecurity.org>
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[-- Attachment #1 --] On Sat, Jan 15, 2005 at 04:34:32PM -0800, Kris Kennaway wrote: > > generic_copyout(deadc0de,7ab7037c,eed96c84,54,5964d000) at generic_copyout+0x36 > > (kgdb) l *memrw+0x36 > 0xc06e3486 is in memrw (../../../i386/i386/mem.c:128). > 123 > 124 if (!kernacc((caddr_t)(int)uio->uio_offset, c, > 125 uio->uio_rw == UIO_READ ? > 126 VM_PROT_READ : VM_PROT_WRITE)) > 127 return (EFAULT); > 128 error = uiomove((caddr_t)(int)uio->uio_offset, (int)c, uio); > 129 continue; > 130 } > 131 /* else panic! */ > 132 } > > > memrw(c34fad00,eed96c84,0,398,7ab7037c) at memrw+0x18a > > devfs_read_f(c51773b8,eed96c84,ca75c800,0,c9ec1780) at devfs_read_f+0x142 > > dofileread(4,804f000,7ab7037c,ffffffff,ffffffff) at dofileread+0x92 > > read(c9ec1780,eed96d14,c,3ff,3) at read+0x75 > > syscall(2f,2f,2f,7ab7037c,80b1078) at syscall+0x137 > > Xint0x80_syscall() at Xint0x80_syscall+0x1f > > --- syscall (3, FreeBSD ELF32, read), eip = 0x280d347f, esp = 0xbfbfe34c, ebp = 0xbfbfe378 --- > > > > Note the deadc0de in generic_copyout(). BTW, this is now wreaking havoc with my ability to finish building packages for 4.11-RELEASE (together with the softupdates panic also being reported), so anything someone can do to track this down is appreciated. Kris [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (FreeBSD) iD8DBQFB6fXhWry0BWjoQKURAqM3AJwI7lLxpwGWhNNpD96gmJNbYbkJFQCfWXHl 7vii9+/tncBCFqyTEAGISZc= =iNC0 -----END PGP SIGNATURE-----
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