Date: Wed, 24 Nov 2004 13:28:55 -0800 From: Kris Kennaway <kris@obsecurity.org> To: current@freeBSD.org Subject: Memory modified after free: Most recently used by acpica Message-ID: <20041124212855.GA32463@xor.obsecurity.org>
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--sm4nu43k4a2Rpi4c Content-Type: text/plain; charset=us-ascii Content-Disposition: inline This happens on fresh 6.0 if I boot with acpi enabled (but not with acpi compiled out of the kernel). Kris [...] pci_link0: <ACPI PCI Link LNID> irq 0 on acpi0 Memory modified after free 0xc3587a00(124) val=c3598580 @ 0xc3587a00 panic: Most recently used by acpica cpuid = 0 KDB: enter: panic db> tr Tracing pid 0 tid 0 td 0xc0782900 kdb_enter(c072313d,0,c0738939,c0c22958,c0782900) at kdb_enter+0x32 panic(c0738939,c0713408,7c,c3598580,c3587a00) at panic+0x1b0 mtrash_dtor(c3587a00,80,0,1,0) at mtrash_dtor uma_zalloc_arg(c10526e0,0,1,c1064aa0,c0c22ac0) at uma_zalloc_arg+0x481 malloc(68,c074dec0,1,c0c22a10,c0476f51) at malloc+0x87 AcpiOsAllocate(68,1,c0c22a00,1,0) at AcpiOsAllocate+0x21 AcpiUtInitializeBuffer(c0c22ac0,68,c0c22a3c,68,0) at AcpiUtInitializeBuffer+0x4f AcpiGetObjectInfo(c34d20c0,c0c22ac0,0,c0c22ad4,ffffffff) at AcpiGetObjectInfo+0xd0 acpi_MatchHid(6,c0c22aec,100,c0c22af0,6) at acpi_MatchHid+0x58 acpi_device_id_probe(c34e3e80,c3595700,c074d420,c3467240,c3595700) at acpi_device_id_probe+0x118 acpi_isab_probe(c3595700,0,c0725b19,c359573c,c359573c) at acpi_isab_probe+0x6b device_probe_and_attach(c3595700,c047f02d,c0c22b78,c0c22b80,0) at device_probe_and_attach+0x10f prt_attach_devices(c3595420,c351dc00,c34e3e80,c351dc00,c35848f4) at prt_attach_devices+0xe1 prt_walk_table(c351dc00,c073ae0a,0,c0c22bcc,0) at prt_walk_table+0x30 acpi_pcib_attach(c351dc00,c35848f4,0,c0c22c04,c047e001,c0730ceb,c3467ca0,c0749b78,c34c5ce0) at acpi_pcib_attach+0xe2 acpi_pcib_acpi_attach(c351dc00,c353d04c,c0749b78,c0724d5b,0) at acpi_pcib_acpi_attach+0xf5 device_attach(c351dc00,ffffffff,c0c22cbc,c04802ad,c34e3e80) at device_attach+0x2a7 bus_generic_attach(c34e3e80,fff80000,ffffffff,c34d2448,fff80000) at bus_generic_attach+0x17 acpi_attach(c34e3e80,c355b84c,c0749b78,c0724d5b,0) at acpi_attach+0x78c device_attach(c34e3e80,c351c080,c0c22d18,c06d77b1,c351c080) at device_attach+0x2a7 bus_generic_attach(c351c080) at bus_generic_attach+0x17 nexus_attach(c351c080,c356384c,c0749b78,c0724d5b,0) at nexus_attach+0x1a device_attach(c351c080,c076db90,c0c22d78,c06c580a,c351c800) at device_attach+0x2a7 root_bus_configure(c351c800,c073dbe9,0,c0c22d98,c052615d) at root_bus_configure+0x19 configure(0,0,c0743a70,c1ec00,c1e000) at configure+0x29 mi_startup() at mi_startup+0xb1 begin() at begin+0x2c --sm4nu43k4a2Rpi4c Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.6 (FreeBSD) iD8DBQFBpP0WWry0BWjoQKURAtHKAJ0cgJ+bcxZWuqabIr08TQizdmlE3ACgiFLr TWD4iNZeFVDFXSIpy9viL4A= =ez7E -----END PGP SIGNATURE----- --sm4nu43k4a2Rpi4c--
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