http://bugzilla.kernel.org/show_bug.cgi?id=14998
Summary: Caught 32-bit read from uninitialized memory in
acpi_system_read_event
Product: ACPI
Version: 2.5
Kernel Version: 2.6.33-rc3
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Power-Sleep-Wake
AssignedTo: acpi_power-sleep-w...@kernel-bugs.osdl.org
ReportedBy: casteyde.christ...@free.fr
Regression: Yes
2.6.33-rc3 in 64bits mode
Distro: Bluewhite64 13 (64bits ports of Slackware 13)
Acer Aspire 1511Lmi laptop
At first suspend after a fresh reboot, I got the following warning:
WARNING: kmemcheck: Caught 32-bit read from uninitialized memory
(ffff88004cd08b1c)
00011000000000000002200000000000627574746f6e2f6c6964000000000000
i i i i i i i i i i i i i i i i i i i i i i i i i i i u u u u u
^
Pid: 3264, comm: hald Not tainted 2.6.33-rc3 #2 Aspire 1510/Aspire 1510
RIP: 0010:[<ffffffff812692c1>] [<ffffffff812692c1>]
acpi_bus_receive_event+0xf5/0x119
RSP: 0018:ffff88004bfb5dd8 EFLAGS: 00010286
RAX: 0000000000000038 RBX: ffff88004cd08b00 RCX: 0000000000000007
RDX: 00000000ffffffed RSI: ffff88004cd08b1c RDI: ffff88004bfb5e64
RBP: ffff88004bfb5e28 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000282
R13: ffff88004bfb5e48 R14: ffff88004bfb5f48 R15: 0000000001da4420
FS: 00007f93fe93f6f0(0000) GS:ffffffff81a1c000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: ffff88004f810c20 CR3: 000000004bf4d000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400
[<ffffffff8126f96a>] acpi_system_read_event+0x6b/0x115
[<ffffffff810fd2b9>] proc_reg_read+0x79/0xb0
[<ffffffff810b1867>] vfs_read+0xc7/0x160
[<ffffffff810b19f0>] sys_read+0x50/0x90
[<ffffffff81002468>] system_call_fastpath+0x16/0x1b
[<ffffffffffffffff>] 0xffffffffffffffff
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