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: (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: ffff8800b5957838 000000006c6dad1e ffff8800b59575f8 ffffffff81937da7 Jan 01 15:17:01 localhost.localdomain kernel: ffff8800b5957680 ffff8800b5957670 ffffffff8143b533 0000000000000002 Jan 01 15:17:01 localhost.localdomain kernel: 0000000000000000 0000000000000046 ffffffff81b12196 0000000300000206 Jan 01 15:17:01 localhost.localdomain kernel: Call Trace: Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81937da7>] dump_stack+0x4b/0x74 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8143b533>] kasan_report_error+0x3b3/0x3e0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b12196>] ? acpi_ns_search_and_enter+0xa7/0x3b5 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8143b70c>] __asan_report_load8_noabort+0x5c/0x70 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81962b14>] ? vsnprintf+0x14c4/0x1a00 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81962b14>] vsnprintf+0x14c4/0x1a00 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81961650>] ? pointer.isra.22+0x980/0x980 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff811b6690>] ? up+0x70/0xb0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8143ae34>] ? kasan_slab_free+0x44/0x50 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81963094>] vsprintf+0x14/0x20 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81ab4b49>] acpi_os_vprintf+0x16/0x2b Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81ab4bfc>] acpi_os_printf+0x9e/0xca Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81ab4b5e>] ? acpi_os_vprintf+0x2b/0x2b Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b3383b>] acpi_exception+0xb2/0x132 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b33789>] ? acpi_bios_warning+0x117/0x117 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b0bf5b>] ? acpi_ns_evaluate+0xb3/0x853 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8143ab0e>] ? kasan_kmalloc+0x5e/0x70 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b08d98>] acpi_get_sleep_type_data+0x549/0x568 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b076fd>] acpi_hw_legacy_wake_prep+0x83/0x227 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b0767a>] ? acpi_hw_legacy_sleep+0x3bd/0x3bd Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b08415>] ? acpi_write_bit_register+0x288/0x2ce Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b0818d>] ? acpi_read_bit_register+0x196/0x196 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b09069>] acpi_hw_sleep_dispatch+0xb0/0xb5 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b09080>] acpi_leave_sleep_state_prep+0x12/0x14 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81ab8ec7>] acpi_suspend_enter+0x10e/0x19a Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81ab8db9>] ? trace_suspend_resume+0xe0/0xe0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff811c2344>] suspend_devices_and_enter+0x964/0xdf0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8135eebd>] ? printk+0xa3/0xd3 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff811c19e0>] ? arch_suspend_enable_irqs+0x10/0x10 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff815de2f0>] ? sysfs_kf_bin_read+0x2c0/0x2c0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff811c2cc9>] pm_suspend+0x4f9/0x690 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff815de2f0>] ? sysfs_kf_bin_read+0x2c0/0x2c0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff811bfcf5>] state_store+0x85/0x90 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8193d250>] ? kobj_attr_show+0x60/0x60 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8193d286>] kobj_attr_store+0x36/0x70 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff815de41c>] sysfs_kf_write+0x12c/0x1f0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff815dc2b8>] kernfs_fop_write+0x1f8/0x3a0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8146eb8a>] __vfs_write+0xea/0x400 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8146eaa0>] ? __vfs_read+0x3f0/0x3f0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff813de3f9>] ? handle_mm_fault+0x1579/0x34a0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff813f302f>] ? do_mmap+0x66f/0x900 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff817c7ca5>] ? selinux_file_permission+0x2d5/0x430 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff817a8eaa>] ? security_file_permission+0x6a/0x1a0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8146ffa7>] ? rw_verify_area+0xb7/0x290 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81470594>] vfs_write+0x134/0x4c0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff814732b2>] SyS_write+0x112/0x240 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff814731a0>] ? SyS_read+0x240/0x240 Jan 01 15:17:01 localhost.localdomain kernel: [<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: ffff8800b5957700: 00 00 00 f1 f1 f1 f1 00 f4 f4 f4 f3 f3 f3 f3 00 Jan 01 15:17:01 localhost.localdomain kernel: ffff8800b5957780: 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: ^ Jan 01 15:17:01 localhost.localdomain kernel: ffff8800b5957880: f1 f1 f1 f1 00 00 00 f4 f3 f3 f3 f3 00 00 00 00 Jan 01 15:17:01 localhost.localdomain kernel: ffff8800b5957900: 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: (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: ffff8800b5957838 000000006c6dad1e ffff8800b59575f8 ffffffff81937da7 Jan 01 15:17:01 localhost.localdomain kernel: ffff8800b5957680 ffff8800b5957670 ffffffff8143b533 ffff8800b59576f0 Jan 01 15:17:01 localhost.localdomain kernel: dffffc0000000000 0000000000000046 ffff8800b5957828 ffff8800b5957718 Jan 01 15:17:01 localhost.localdomain kernel: Call Trace: Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81937da7>] dump_stack+0x4b/0x74 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8143b533>] kasan_report_error+0x3b3/0x3e0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81961a0e>] ? vsnprintf+0x3be/0x1a00 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8143b69c>] __asan_report_load4_noabort+0x5c/0x70 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81962f52>] ? vsnprintf+0x1902/0x1a00 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81962f52>] vsnprintf+0x1902/0x1a00 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81961650>] ? pointer.isra.22+0x980/0x980 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8143ac66>] ? memcpy+0x36/0x40 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81963094>] vsprintf+0x14/0x20 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81ab4b49>] acpi_os_vprintf+0x16/0x2b Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81ab4bfc>] acpi_os_printf+0x9e/0xca Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81ab4b5e>] ? acpi_os_vprintf+0x2b/0x2b Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b3387a>] acpi_exception+0xf1/0x132 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b33789>] ? acpi_bios_warning+0x117/0x117 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b0bf5b>] ? acpi_ns_evaluate+0xb3/0x853 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8143ab0e>] ? kasan_kmalloc+0x5e/0x70 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b08d98>] acpi_get_sleep_type_data+0x549/0x568 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b076fd>] acpi_hw_legacy_wake_prep+0x83/0x227 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b0767a>] ? acpi_hw_legacy_sleep+0x3bd/0x3bd Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b08415>] ? acpi_write_bit_register+0x288/0x2ce Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b0818d>] ? acpi_read_bit_register+0x196/0x196 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b09069>] acpi_hw_sleep_dispatch+0xb0/0xb5 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b09080>] acpi_leave_sleep_state_prep+0x12/0x14 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81ab8ec7>] acpi_suspend_enter+0x10e/0x19a Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81ab8db9>] ? trace_suspend_resume+0xe0/0xe0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff811c2344>] suspend_devices_and_enter+0x964/0xdf0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8135eebd>] ? printk+0xa3/0xd3 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff811c19e0>] ? arch_suspend_enable_irqs+0x10/0x10 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff815de2f0>] ? sysfs_kf_bin_read+0x2c0/0x2c0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff811c2cc9>] pm_suspend+0x4f9/0x690 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff815de2f0>] ? sysfs_kf_bin_read+0x2c0/0x2c0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff811bfcf5>] state_store+0x85/0x90 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8193d250>] ? kobj_attr_show+0x60/0x60 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8193d286>] kobj_attr_store+0x36/0x70 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff815de41c>] sysfs_kf_write+0x12c/0x1f0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff815dc2b8>] kernfs_fop_write+0x1f8/0x3a0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8146eb8a>] __vfs_write+0xea/0x400 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8146eaa0>] ? __vfs_read+0x3f0/0x3f0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff813de3f9>] ? handle_mm_fault+0x1579/0x34a0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff813f302f>] ? do_mmap+0x66f/0x900 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff817c7ca5>] ? selinux_file_permission+0x2d5/0x430 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff817a8eaa>] ? security_file_permission+0x6a/0x1a0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8146ffa7>] ? rw_verify_area+0xb7/0x290 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81470594>] vfs_write+0x134/0x4c0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff814732b2>] SyS_write+0x112/0x240 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff814731a0>] ? SyS_read+0x240/0x240 Jan 01 15:17:01 localhost.localdomain kernel: [<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: ffff8800b5957700: 00 00 00 f1 f1 f1 f1 00 f4 f4 f4 f3 f3 f3 f3 00 Jan 01 15:17:01 localhost.localdomain kernel: ffff8800b5957780: 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: ^ Jan 01 15:17:01 localhost.localdomain kernel: ffff8800b5957880: f1 f1 f1 f1 00 00 00 f4 f3 f3 f3 f3 00 00 00 00 Jan 01 15:17:01 localhost.localdomain kernel: ffff8800b5957900: 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: (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: ffff8800b5957840 000000006c6dad1e ffff8800b59575f8 ffffffff81937da7 Jan 01 15:17:01 localhost.localdomain kernel: ffff8800b5957680 ffff8800b5957670 ffffffff8143b533 0000000000000008 Jan 01 15:17:01 localhost.localdomain kernel: dffffc0000000000 0000000000000046 ffffed0016b2af10 0000000041b58ab3 Jan 01 15:17:01 localhost.localdomain kernel: Call Trace: Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81937da7>] dump_stack+0x4b/0x74 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8143b533>] kasan_report_error+0x3b3/0x3e0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8195e680>] ? dentry_name.isra.13+0x720/0x720 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8143b70c>] __asan_report_load8_noabort+0x5c/0x70 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81962b14>] ? vsnprintf+0x14c4/0x1a00 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81962b14>] vsnprintf+0x14c4/0x1a00 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81961650>] ? pointer.isra.22+0x980/0x980 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8143ac66>] ? memcpy+0x36/0x40 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81963094>] vsprintf+0x14/0x20 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81ab4b49>] acpi_os_vprintf+0x16/0x2b Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81ab4bfc>] acpi_os_printf+0x9e/0xca Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81ab4b5e>] ? acpi_os_vprintf+0x2b/0x2b Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b3387a>] acpi_exception+0xf1/0x132 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b33789>] ? acpi_bios_warning+0x117/0x117 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b0bf5b>] ? acpi_ns_evaluate+0xb3/0x853 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8143ab0e>] ? kasan_kmalloc+0x5e/0x70 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b08d98>] acpi_get_sleep_type_data+0x549/0x568 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b076fd>] acpi_hw_legacy_wake_prep+0x83/0x227 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b0767a>] ? acpi_hw_legacy_sleep+0x3bd/0x3bd Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b08415>] ? acpi_write_bit_register+0x288/0x2ce Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b0818d>] ? acpi_read_bit_register+0x196/0x196 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b09069>] acpi_hw_sleep_dispatch+0xb0/0xb5 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b09080>] acpi_leave_sleep_state_prep+0x12/0x14 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81ab8ec7>] acpi_suspend_enter+0x10e/0x19a Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81ab8db9>] ? trace_suspend_resume+0xe0/0xe0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff811c2344>] suspend_devices_and_enter+0x964/0xdf0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8135eebd>] ? printk+0xa3/0xd3 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff811c19e0>] ? arch_suspend_enable_irqs+0x10/0x10 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff815de2f0>] ? sysfs_kf_bin_read+0x2c0/0x2c0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff811c2cc9>] pm_suspend+0x4f9/0x690 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff815de2f0>] ? sysfs_kf_bin_read+0x2c0/0x2c0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff811bfcf5>] state_store+0x85/0x90 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8193d250>] ? kobj_attr_show+0x60/0x60 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8193d286>] kobj_attr_store+0x36/0x70 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff815de41c>] sysfs_kf_write+0x12c/0x1f0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff815dc2b8>] kernfs_fop_write+0x1f8/0x3a0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8146eb8a>] __vfs_write+0xea/0x400 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8146eaa0>] ? __vfs_read+0x3f0/0x3f0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff813de3f9>] ? handle_mm_fault+0x1579/0x34a0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff813f302f>] ? do_mmap+0x66f/0x900 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff817c7ca5>] ? selinux_file_permission+0x2d5/0x430 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff817a8eaa>] ? security_file_permission+0x6a/0x1a0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8146ffa7>] ? rw_verify_area+0xb7/0x290 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81470594>] vfs_write+0x134/0x4c0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff814732b2>] SyS_write+0x112/0x240 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff814731a0>] ? SyS_read+0x240/0x240 Jan 01 15:17:01 localhost.localdomain kernel: [<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: ffff8800b5957700: 00 00 00 f1 f1 f1 f1 00 f4 f4 f4 f3 f3 f3 f3 00 Jan 01 15:17:01 localhost.localdomain kernel: ffff8800b5957780: 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: ^ Jan 01 15:17:01 localhost.localdomain kernel: ffff8800b5957880: f1 f1 f1 f1 00 00 00 f4 f3 f3 f3 f3 00 00 00 00 Jan 01 15:17:01 localhost.localdomain kernel: ffff8800b5957900: 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: (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: ffff8800b5957848 000000006c6dad1e ffff8800b59575f8 ffffffff81937da7 Jan 01 15:17:01 localhost.localdomain kernel: ffff8800b5957680 ffff8800b5957670 ffffffff8143b533 0000000000000010 Jan 01 15:17:01 localhost.localdomain kernel: dffffc0000000000 0000000000000046 ffffed0016b2af08 6666662041b58ab3 Jan 01 15:17:01 localhost.localdomain kernel: Call Trace: Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81937da7>] dump_stack+0x4b/0x74 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8143b533>] kasan_report_error+0x3b3/0x3e0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8143b69c>] __asan_report_load4_noabort+0x5c/0x70 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81962f52>] ? vsnprintf+0x1902/0x1a00 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81962f52>] vsnprintf+0x1902/0x1a00 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81961650>] ? pointer.isra.22+0x980/0x980 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8143ac66>] ? memcpy+0x36/0x40 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81963094>] vsprintf+0x14/0x20 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81ab4b49>] acpi_os_vprintf+0x16/0x2b Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81ab4bfc>] acpi_os_printf+0x9e/0xca Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81ab4b5e>] ? acpi_os_vprintf+0x2b/0x2b Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b3387a>] acpi_exception+0xf1/0x132 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b33789>] ? acpi_bios_warning+0x117/0x117 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b0bf5b>] ? acpi_ns_evaluate+0xb3/0x853 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8143ab0e>] ? kasan_kmalloc+0x5e/0x70 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b08d98>] acpi_get_sleep_type_data+0x549/0x568 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b076fd>] acpi_hw_legacy_wake_prep+0x83/0x227 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b0767a>] ? acpi_hw_legacy_sleep+0x3bd/0x3bd Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b08415>] ? acpi_write_bit_register+0x288/0x2ce Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b0818d>] ? acpi_read_bit_register+0x196/0x196 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b09069>] acpi_hw_sleep_dispatch+0xb0/0xb5 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81b09080>] acpi_leave_sleep_state_prep+0x12/0x14 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81ab8ec7>] acpi_suspend_enter+0x10e/0x19a Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81ab8db9>] ? trace_suspend_resume+0xe0/0xe0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff811c2344>] suspend_devices_and_enter+0x964/0xdf0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8135eebd>] ? printk+0xa3/0xd3 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff811c19e0>] ? arch_suspend_enable_irqs+0x10/0x10 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff815de2f0>] ? sysfs_kf_bin_read+0x2c0/0x2c0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff811c2cc9>] pm_suspend+0x4f9/0x690 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff815de2f0>] ? sysfs_kf_bin_read+0x2c0/0x2c0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff811bfcf5>] state_store+0x85/0x90 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8193d250>] ? kobj_attr_show+0x60/0x60 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8193d286>] kobj_attr_store+0x36/0x70 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff815de41c>] sysfs_kf_write+0x12c/0x1f0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff815dc2b8>] kernfs_fop_write+0x1f8/0x3a0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8146eb8a>] __vfs_write+0xea/0x400 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8146eaa0>] ? __vfs_read+0x3f0/0x3f0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff813de3f9>] ? handle_mm_fault+0x1579/0x34a0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff813f302f>] ? do_mmap+0x66f/0x900 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff817c7ca5>] ? selinux_file_permission+0x2d5/0x430 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff817a8eaa>] ? security_file_permission+0x6a/0x1a0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff8146ffa7>] ? rw_verify_area+0xb7/0x290 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff81470594>] vfs_write+0x134/0x4c0 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff814732b2>] SyS_write+0x112/0x240 Jan 01 15:17:01 localhost.localdomain kernel: [<ffffffff814731a0>] ? SyS_read+0x240/0x240 Jan 01 15:17:01 localhost.localdomain kernel: [<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: ffff8800b5957700: 00 00 00 f1 f1 f1 f1 00 f4 f4 f4 f3 f3 f3 f3 00 Jan 01 15:17:01 localhost.localdomain kernel: ffff8800b5957780: 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: ^ Jan 01 15:17:01 localhost.localdomain kernel: ffff8800b5957880: f1 f1 f1 f1 00 00 00 f4 f3 f3 f3 f3 00 00 00 00 Jan 01 15:17:01 localhost.localdomain kernel: ffff8800b5957900: 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: (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 -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
