[ACPI] BUG: KASan: out of bounds on stack in vsnprintf

From: Thomas Meyer
Date: Fri Jan 01 2016 - 11:39:50 EST

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Hi,

I started to run my kernels with KASan enabled and found this after resume from ram on a 4.3.3 kernel:

Jan 01 15:16:59 localhost.localdomain kernel: ==================================================================
Jan 01 15:16:59 localhost.localdomain kernel: BUG: KASan: out of bounds on stack in vsnprintf+0x14c4/0x1a00 at addr ffff8800b5957838
Jan 01 15:16:59 localhost.localdomain kernel: Read of size 8 by task systemd-sleep/5375
Jan 01 15:16:59 localhost.localdomain kernel: page:ffffea0002d655c0 count:0 mapcount:0 mapping:ÂÂÂÂÂÂÂÂÂÂ(null) index:0x0
Jan 01 15:17:00 localhost.localdomain kernel: flags: 0x4000000000000000()
Jan 01 15:17:01 localhost.localdomain kernel: page dumped because: kasan: bad access detected
Jan 01 15:17:01 localhost.localdomain kernel: CPU: 0 PID: 5375 Comm: systemd-sleep Not tainted 4.3.3 #15
Jan 01 15:17:01 localhost.localdomain kernel: Hardware name: Acer Aspire 1810T/JM11-MS, BIOS v1.3310 03/25/2010
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂffff8800b5957838 000000006c6dad1e ffff8800b59575f8 ffffffff81937da7
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂffff8800b5957680 ffff8800b5957670 ffffffff8143b533 0000000000000002
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ0000000000000000 0000000000000046 ffffffff81b12196 0000000300000206
Jan 01 15:17:01 localhost.localdomain kernel: Call Trace:
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81937da7>] dump_stack+0x4b/0x74
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8143b533>] kasan_report_error+0x3b3/0x3e0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b12196>] ? acpi_ns_search_and_enter+0xa7/0x3b5
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8143b70c>] __asan_report_load8_noabort+0x5c/0x70
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81962b14>] ? vsnprintf+0x14c4/0x1a00
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81962b14>] vsnprintf+0x14c4/0x1a00
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81961650>] ? pointer.isra.22+0x980/0x980
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff811b6690>] ? up+0x70/0xb0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8143ae34>] ? kasan_slab_free+0x44/0x50
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81963094>] vsprintf+0x14/0x20
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81ab4b49>] acpi_os_vprintf+0x16/0x2b
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81ab4bfc>] acpi_os_printf+0x9e/0xca
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81ab4b5e>] ? acpi_os_vprintf+0x2b/0x2b
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b3383b>] acpi_exception+0xb2/0x132
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b33789>] ? acpi_bios_warning+0x117/0x117
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b0bf5b>] ? acpi_ns_evaluate+0xb3/0x853
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8143ab0e>] ? kasan_kmalloc+0x5e/0x70
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b08d98>] acpi_get_sleep_type_data+0x549/0x568
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b076fd>] acpi_hw_legacy_wake_prep+0x83/0x227
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b0767a>] ? acpi_hw_legacy_sleep+0x3bd/0x3bd
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b08415>] ? acpi_write_bit_register+0x288/0x2ce
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b0818d>] ? acpi_read_bit_register+0x196/0x196
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b09069>] acpi_hw_sleep_dispatch+0xb0/0xb5
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b09080>] acpi_leave_sleep_state_prep+0x12/0x14
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81ab8ec7>] acpi_suspend_enter+0x10e/0x19a
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81ab8db9>] ? trace_suspend_resume+0xe0/0xe0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff811c2344>] suspend_devices_and_enter+0x964/0xdf0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8135eebd>] ? printk+0xa3/0xd3
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff811c19e0>] ? arch_suspend_enable_irqs+0x10/0x10
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff815de2f0>] ? sysfs_kf_bin_read+0x2c0/0x2c0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff811c2cc9>] pm_suspend+0x4f9/0x690
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff815de2f0>] ? sysfs_kf_bin_read+0x2c0/0x2c0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff811bfcf5>] state_store+0x85/0x90
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8193d250>] ? kobj_attr_show+0x60/0x60
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8193d286>] kobj_attr_store+0x36/0x70
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff815de41c>] sysfs_kf_write+0x12c/0x1f0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff815dc2b8>] kernfs_fop_write+0x1f8/0x3a0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8146eb8a>] __vfs_write+0xea/0x400
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8146eaa0>] ? __vfs_read+0x3f0/0x3f0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff813de3f9>] ? handle_mm_fault+0x1579/0x34a0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff813f302f>] ? do_mmap+0x66f/0x900
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff817c7ca5>] ? selinux_file_permission+0x2d5/0x430
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff817a8eaa>] ? security_file_permission+0x6a/0x1a0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8146ffa7>] ? rw_verify_area+0xb7/0x290
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81470594>] vfs_write+0x134/0x4c0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff814732b2>] SyS_write+0x112/0x240
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff814731a0>] ? SyS_read+0x240/0x240
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff82653ad7>] entry_SYSCALL_64_fastpath+0x12/0x6a
Jan 01 15:17:01 localhost.localdomain kernel: Memory state around the buggy address:
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂffff8800b5957700: 00 00 00 f1 f1 f1 f1 00 f4 f4 f4 f3 f3 f3 f3 00
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂffff8800b5957780: 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00
Jan 01 15:17:01 localhost.localdomain kernel: >ffff8800b5957800: 00 f4 f3 f3 f3 f3 f1 f1 f1 f1 00 00 00 00 00 00
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ^
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂffff8800b5957880: f1 f1 f1 f1 00 00 00 f4 f3 f3 f3 f3 00 00 00 00
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂffff8800b5957900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Jan 01 15:17:01 localhost.localdomain kernel: ==================================================================
Jan 01 15:17:01 localhost.localdomain kernel: ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S0_]
Jan 01 15:17:01 localhost.localdomain kernel: ==================================================================
Jan 01 15:17:01 localhost.localdomain kernel: BUG: KASan: out of bounds on stack in vsnprintf+0x1902/0x1a00 at addr ffff8800b5957838
Jan 01 15:17:01 localhost.localdomain kernel: Read of size 4 by task systemd-sleep/5375
Jan 01 15:17:01 localhost.localdomain kernel: page:ffffea0002d655c0 count:0 mapcount:0 mapping:ÂÂÂÂÂÂÂÂÂÂ(null) index:0x0
Jan 01 15:17:01 localhost.localdomain kernel: flags: 0x4000000000000000()
Jan 01 15:17:01 localhost.localdomain kernel: page dumped because: kasan: bad access detected
Jan 01 15:17:01 localhost.localdomain kernel: CPU: 0 PID: 5375 Comm: systemd-sleep Not tainted 4.3.3 #15
Jan 01 15:17:01 localhost.localdomain kernel: Hardware name: Acer Aspire 1810T/JM11-MS, BIOS v1.3310 03/25/2010
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂffff8800b5957838 000000006c6dad1e ffff8800b59575f8 ffffffff81937da7
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂffff8800b5957680 ffff8800b5957670 ffffffff8143b533 ffff8800b59576f0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂdffffc0000000000 0000000000000046 ffff8800b5957828 ffff8800b5957718
Jan 01 15:17:01 localhost.localdomain kernel: Call Trace:
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81937da7>] dump_stack+0x4b/0x74
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8143b533>] kasan_report_error+0x3b3/0x3e0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81961a0e>] ? vsnprintf+0x3be/0x1a00
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8143b69c>] __asan_report_load4_noabort+0x5c/0x70
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81962f52>] ? vsnprintf+0x1902/0x1a00
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81962f52>] vsnprintf+0x1902/0x1a00
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81961650>] ? pointer.isra.22+0x980/0x980
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8143ac66>] ? memcpy+0x36/0x40
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81963094>] vsprintf+0x14/0x20
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81ab4b49>] acpi_os_vprintf+0x16/0x2b
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81ab4bfc>] acpi_os_printf+0x9e/0xca
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81ab4b5e>] ? acpi_os_vprintf+0x2b/0x2b
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b3387a>] acpi_exception+0xf1/0x132
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b33789>] ? acpi_bios_warning+0x117/0x117
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b0bf5b>] ? acpi_ns_evaluate+0xb3/0x853
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8143ab0e>] ? kasan_kmalloc+0x5e/0x70
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b08d98>] acpi_get_sleep_type_data+0x549/0x568
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b076fd>] acpi_hw_legacy_wake_prep+0x83/0x227
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b0767a>] ? acpi_hw_legacy_sleep+0x3bd/0x3bd
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b08415>] ? acpi_write_bit_register+0x288/0x2ce
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b0818d>] ? acpi_read_bit_register+0x196/0x196
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b09069>] acpi_hw_sleep_dispatch+0xb0/0xb5
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b09080>] acpi_leave_sleep_state_prep+0x12/0x14
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81ab8ec7>] acpi_suspend_enter+0x10e/0x19a
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81ab8db9>] ? trace_suspend_resume+0xe0/0xe0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff811c2344>] suspend_devices_and_enter+0x964/0xdf0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8135eebd>] ? printk+0xa3/0xd3
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff811c19e0>] ? arch_suspend_enable_irqs+0x10/0x10
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff815de2f0>] ? sysfs_kf_bin_read+0x2c0/0x2c0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff811c2cc9>] pm_suspend+0x4f9/0x690
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff815de2f0>] ? sysfs_kf_bin_read+0x2c0/0x2c0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff811bfcf5>] state_store+0x85/0x90
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8193d250>] ? kobj_attr_show+0x60/0x60
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8193d286>] kobj_attr_store+0x36/0x70
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff815de41c>] sysfs_kf_write+0x12c/0x1f0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff815dc2b8>] kernfs_fop_write+0x1f8/0x3a0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8146eb8a>] __vfs_write+0xea/0x400
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8146eaa0>] ? __vfs_read+0x3f0/0x3f0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff813de3f9>] ? handle_mm_fault+0x1579/0x34a0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff813f302f>] ? do_mmap+0x66f/0x900
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff817c7ca5>] ? selinux_file_permission+0x2d5/0x430
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff817a8eaa>] ? security_file_permission+0x6a/0x1a0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8146ffa7>] ? rw_verify_area+0xb7/0x290
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81470594>] vfs_write+0x134/0x4c0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff814732b2>] SyS_write+0x112/0x240
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff814731a0>] ? SyS_read+0x240/0x240
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff82653ad7>] entry_SYSCALL_64_fastpath+0x12/0x6a
Jan 01 15:17:01 localhost.localdomain kernel: Memory state around the buggy address:
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂffff8800b5957700: 00 00 00 f1 f1 f1 f1 00 f4 f4 f4 f3 f3 f3 f3 00
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂffff8800b5957780: 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00
Jan 01 15:17:01 localhost.localdomain kernel: >ffff8800b5957800: 00 f4 f3 f3 f3 f3 f1 f1 f1 f1 00 00 00 00 00 00
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ^
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂffff8800b5957880: f1 f1 f1 f1 00 00 00 f4 f3 f3 f3 f3 00 00 00 00
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂffff8800b5957900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Jan 01 15:17:01 localhost.localdomain kernel: ==================================================================
Jan 01 15:17:01 localhost.localdomain kernel: ==================================================================
Jan 01 15:17:01 localhost.localdomain kernel: BUG: KASan: out of bounds on stack in vsnprintf+0x14c4/0x1a00 at addr ffff8800b5957840
Jan 01 15:17:01 localhost.localdomain kernel: Read of size 8 by task systemd-sleep/5375
Jan 01 15:17:01 localhost.localdomain kernel: page:ffffea0002d655c0 count:0 mapcount:0 mapping:ÂÂÂÂÂÂÂÂÂÂ(null) index:0x0
Jan 01 15:17:01 localhost.localdomain kernel: flags: 0x4000000000000000()
Jan 01 15:17:01 localhost.localdomain kernel: page dumped because: kasan: bad access detected
Jan 01 15:17:01 localhost.localdomain kernel: CPU: 0 PID: 5375 Comm: systemd-sleep Not tainted 4.3.3 #15
Jan 01 15:17:01 localhost.localdomain kernel: Hardware name: Acer Aspire 1810T/JM11-MS, BIOS v1.3310 03/25/2010
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂffff8800b5957840 000000006c6dad1e ffff8800b59575f8 ffffffff81937da7
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂffff8800b5957680 ffff8800b5957670 ffffffff8143b533 0000000000000008
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂdffffc0000000000 0000000000000046 ffffed0016b2af10 0000000041b58ab3
Jan 01 15:17:01 localhost.localdomain kernel: Call Trace:
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81937da7>] dump_stack+0x4b/0x74
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8143b533>] kasan_report_error+0x3b3/0x3e0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8195e680>] ? dentry_name.isra.13+0x720/0x720
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8143b70c>] __asan_report_load8_noabort+0x5c/0x70
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81962b14>] ? vsnprintf+0x14c4/0x1a00
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81962b14>] vsnprintf+0x14c4/0x1a00
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81961650>] ? pointer.isra.22+0x980/0x980
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8143ac66>] ? memcpy+0x36/0x40
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81963094>] vsprintf+0x14/0x20
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81ab4b49>] acpi_os_vprintf+0x16/0x2b
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81ab4bfc>] acpi_os_printf+0x9e/0xca
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81ab4b5e>] ? acpi_os_vprintf+0x2b/0x2b
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b3387a>] acpi_exception+0xf1/0x132
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b33789>] ? acpi_bios_warning+0x117/0x117
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b0bf5b>] ? acpi_ns_evaluate+0xb3/0x853
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8143ab0e>] ? kasan_kmalloc+0x5e/0x70
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b08d98>] acpi_get_sleep_type_data+0x549/0x568
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b076fd>] acpi_hw_legacy_wake_prep+0x83/0x227
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b0767a>] ? acpi_hw_legacy_sleep+0x3bd/0x3bd
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b08415>] ? acpi_write_bit_register+0x288/0x2ce
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b0818d>] ? acpi_read_bit_register+0x196/0x196
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b09069>] acpi_hw_sleep_dispatch+0xb0/0xb5
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b09080>] acpi_leave_sleep_state_prep+0x12/0x14
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81ab8ec7>] acpi_suspend_enter+0x10e/0x19a
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81ab8db9>] ? trace_suspend_resume+0xe0/0xe0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff811c2344>] suspend_devices_and_enter+0x964/0xdf0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8135eebd>] ? printk+0xa3/0xd3
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff811c19e0>] ? arch_suspend_enable_irqs+0x10/0x10
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff815de2f0>] ? sysfs_kf_bin_read+0x2c0/0x2c0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff811c2cc9>] pm_suspend+0x4f9/0x690
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff815de2f0>] ? sysfs_kf_bin_read+0x2c0/0x2c0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff811bfcf5>] state_store+0x85/0x90
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8193d250>] ? kobj_attr_show+0x60/0x60
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8193d286>] kobj_attr_store+0x36/0x70
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff815de41c>] sysfs_kf_write+0x12c/0x1f0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff815dc2b8>] kernfs_fop_write+0x1f8/0x3a0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8146eb8a>] __vfs_write+0xea/0x400
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8146eaa0>] ? __vfs_read+0x3f0/0x3f0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff813de3f9>] ? handle_mm_fault+0x1579/0x34a0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff813f302f>] ? do_mmap+0x66f/0x900
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff817c7ca5>] ? selinux_file_permission+0x2d5/0x430
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff817a8eaa>] ? security_file_permission+0x6a/0x1a0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8146ffa7>] ? rw_verify_area+0xb7/0x290
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81470594>] vfs_write+0x134/0x4c0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff814732b2>] SyS_write+0x112/0x240
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff814731a0>] ? SyS_read+0x240/0x240
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff82653ad7>] entry_SYSCALL_64_fastpath+0x12/0x6a
Jan 01 15:17:01 localhost.localdomain kernel: Memory state around the buggy address:
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂffff8800b5957700: 00 00 00 f1 f1 f1 f1 00 f4 f4 f4 f3 f3 f3 f3 00
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂffff8800b5957780: 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00
Jan 01 15:17:01 localhost.localdomain kernel: >ffff8800b5957800: 00 f4 f3 f3 f3 f3 f1 f1 f1 f1 00 00 00 00 00 00
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ^
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂffff8800b5957880: f1 f1 f1 f1 00 00 00 f4 f3 f3 f3 f3 00 00 00 00
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂffff8800b5957900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Jan 01 15:17:01 localhost.localdomain kernel: ==================================================================
Jan 01 15:17:01 localhost.localdomain kernel: ==================================================================
Jan 01 15:17:01 localhost.localdomain kernel: BUG: KASan: out of bounds on stack in vsnprintf+0x1902/0x1a00 at addr ffff8800b5957848
Jan 01 15:17:01 localhost.localdomain kernel: Read of size 4 by task systemd-sleep/5375
Jan 01 15:17:01 localhost.localdomain kernel: page:ffffea0002d655c0 count:0 mapcount:0 mapping:ÂÂÂÂÂÂÂÂÂÂ(null) index:0x0
Jan 01 15:17:01 localhost.localdomain kernel: flags: 0x4000000000000000()
Jan 01 15:17:01 localhost.localdomain kernel: page dumped because: kasan: bad access detected
Jan 01 15:17:01 localhost.localdomain kernel: CPU: 0 PID: 5375 Comm: systemd-sleep Not tainted 4.3.3 #15
Jan 01 15:17:01 localhost.localdomain kernel: Hardware name: Acer Aspire 1810T/JM11-MS, BIOS v1.3310 03/25/2010
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂffff8800b5957848 000000006c6dad1e ffff8800b59575f8 ffffffff81937da7
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂffff8800b5957680 ffff8800b5957670 ffffffff8143b533 0000000000000010
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂdffffc0000000000 0000000000000046 ffffed0016b2af08 6666662041b58ab3
Jan 01 15:17:01 localhost.localdomain kernel: Call Trace:
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81937da7>] dump_stack+0x4b/0x74
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8143b533>] kasan_report_error+0x3b3/0x3e0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8143b69c>] __asan_report_load4_noabort+0x5c/0x70
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81962f52>] ? vsnprintf+0x1902/0x1a00
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81962f52>] vsnprintf+0x1902/0x1a00
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81961650>] ? pointer.isra.22+0x980/0x980
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8143ac66>] ? memcpy+0x36/0x40
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81963094>] vsprintf+0x14/0x20
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81ab4b49>] acpi_os_vprintf+0x16/0x2b
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81ab4bfc>] acpi_os_printf+0x9e/0xca
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81ab4b5e>] ? acpi_os_vprintf+0x2b/0x2b
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b3387a>] acpi_exception+0xf1/0x132
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b33789>] ? acpi_bios_warning+0x117/0x117
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b0bf5b>] ? acpi_ns_evaluate+0xb3/0x853
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8143ab0e>] ? kasan_kmalloc+0x5e/0x70
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b08d98>] acpi_get_sleep_type_data+0x549/0x568
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b076fd>] acpi_hw_legacy_wake_prep+0x83/0x227
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b0767a>] ? acpi_hw_legacy_sleep+0x3bd/0x3bd
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b08415>] ? acpi_write_bit_register+0x288/0x2ce
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b0818d>] ? acpi_read_bit_register+0x196/0x196
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b09069>] acpi_hw_sleep_dispatch+0xb0/0xb5
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81b09080>] acpi_leave_sleep_state_prep+0x12/0x14
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81ab8ec7>] acpi_suspend_enter+0x10e/0x19a
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81ab8db9>] ? trace_suspend_resume+0xe0/0xe0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff811c2344>] suspend_devices_and_enter+0x964/0xdf0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8135eebd>] ? printk+0xa3/0xd3
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff811c19e0>] ? arch_suspend_enable_irqs+0x10/0x10
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff815de2f0>] ? sysfs_kf_bin_read+0x2c0/0x2c0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff811c2cc9>] pm_suspend+0x4f9/0x690
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff815de2f0>] ? sysfs_kf_bin_read+0x2c0/0x2c0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff811bfcf5>] state_store+0x85/0x90
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8193d250>] ? kobj_attr_show+0x60/0x60
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8193d286>] kobj_attr_store+0x36/0x70
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff815de41c>] sysfs_kf_write+0x12c/0x1f0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff815dc2b8>] kernfs_fop_write+0x1f8/0x3a0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8146eb8a>] __vfs_write+0xea/0x400
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8146eaa0>] ? __vfs_read+0x3f0/0x3f0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff813de3f9>] ? handle_mm_fault+0x1579/0x34a0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff813f302f>] ? do_mmap+0x66f/0x900
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff817c7ca5>] ? selinux_file_permission+0x2d5/0x430
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff817a8eaa>] ? security_file_permission+0x6a/0x1a0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff8146ffa7>] ? rw_verify_area+0xb7/0x290
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff81470594>] vfs_write+0x134/0x4c0
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff814732b2>] SyS_write+0x112/0x240
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff814731a0>] ? SyS_read+0x240/0x240
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ[<ffffffff82653ad7>] entry_SYSCALL_64_fastpath+0x12/0x6a
Jan 01 15:17:01 localhost.localdomain kernel: Memory state around the buggy address:
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂffff8800b5957700: 00 00 00 f1 f1 f1 f1 00 f4 f4 f4 f3 f3 f3 f3 00
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂffff8800b5957780: 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00
Jan 01 15:17:01 localhost.localdomain kernel: >ffff8800b5957800: 00 f4 f3 f3 f3 f3 f1 f1 f1 f1 00 00 00 00 00 00
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ^
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂffff8800b5957880: f1 f1 f1 f1 00 00 00 f4 f3 f3 f3 f3 00 00 00 00
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂffff8800b5957900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Jan 01 15:17:01 localhost.localdomain kernel: ==================================================================
Jan 01 15:17:01 localhost.localdomain kernel:ÂÂ(20150818/hwxface-580)
Jan 01 15:17:01 localhost.localdomain kernel: ACPI : EC: EC started
Jan 01 15:17:01 localhost.localdomain kernel: PM: Restoring platform NVS memory
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