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PAX: size overflow detected in function acpi_ex_*

PostPosted: Wed Oct 21, 2015 11:43 am
by packaged1turpin4
Several acpi_ex_* functions with PAX size overflow in 4.2.3.201510200858.

Code: Select all
[    0.012290] PAX: slow and weak UDEREF enabled
[    0.006666] PAX: slow and weak UDEREF enabled
[    0.006666] PAX: slow and weak UDEREF enabled
[    0.006666] PAX: slow and weak UDEREF enabled
[    0.128634] PAX: size overflow detected in function acpi_ex_opcode_1A_1T_1R drivers/acpi/acpica/exoparg1.c:319 cicus.62_197 max, count: 15, decl: value; num: 0; context: acpi_object_integer;
[    0.128739] PAX: size overflow detected in function acpi_ex_opcode_1A_1T_1R drivers/acpi/acpica/exoparg1.c:319 cicus.62_197 max, count: 15, decl: value; num: 0; context: acpi_object_integer;
[    0.128851] PAX: size overflow detected in function acpi_ex_do_math_op drivers/acpi/acpica/exmisc.c:414 cicus.45_57 min, count: 30, decl: acpi_ex_do_math_op; num: 0; context: fndecl;
[    0.143988] PAX: size overflow detected in function acpi_ex_opcode_1A_1T_1R drivers/acpi/acpica/exoparg1.c:319 cicus.62_197 max, count: 15, decl: value; num: 0; context: acpi_object_integer;
[    0.144088] PAX: size overflow detected in function acpi_ex_opcode_1A_1T_1R drivers/acpi/acpica/exoparg1.c:319 cicus.62_197 max, count: 15, decl: value; num: 0; context: acpi_object_integer;
[    0.144200] PAX: size overflow detected in function acpi_ex_do_math_op drivers/acpi/acpica/exmisc.c:414 cicus.45_57 min, count: 30, decl: acpi_ex_do_math_op; num: 0; context: fndecl;
[    0.144311] PAX: size overflow detected in function acpi_ex_opcode_1A_1T_1R drivers/acpi/acpica/exoparg1.c:319 cicus.62_197 max, count: 15, decl: value; num: 0; context: acpi_object_integer;
[    0.144406] PAX: size overflow detected in function acpi_ex_opcode_1A_1T_1R drivers/acpi/acpica/exoparg1.c:319 cicus.62_197 max, count: 15, decl: value; num: 0; context: acpi_object_integer;
[    0.144519] PAX: size overflow detected in function acpi_ex_do_math_op drivers/acpi/acpica/exmisc.c:414 cicus.45_57 min, count: 30, decl: acpi_ex_do_math_op; num: 0; context: fndecl;
[    0.152778] PAX: size overflow detected in function acpi_ex_opcode_1A_1T_1R drivers/acpi/acpica/exoparg1.c:319 cicus.62_197 max, count: 15, decl: value; num: 0; context: acpi_object_integer;


full dmesg- http://pastebin.com/PaiskUEA

Re: PAX: size overflow detected in function acpi_ex_*

PostPosted: Fri Oct 23, 2015 12:14 pm
by ephox
Thanks for the report, they are already fixed in the latest grsec patch (4.2.4-201510222059).