Memory modified after free: Most recently used by acpica

From: Kris Kennaway <kris_at_obsecurity.org>
Date: Wed, 24 Nov 2004 13:28:55 -0800
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 _at_ 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

Received on Wed Nov 24 2004 - 20:24:39 UTC

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