Hi all, While fuzzing with trinity inside a KVM tools guest running the latest -next kernel I've stumbled on the following:
[ 191.835040] WARNING: CPU: 12 PID: 9725 at lib/debugobjects.c:260 debug_print_object+0x8c/0xb0() [ 191.838129] ODEBUG: free active (active state 0) object type: timer_list hint: delayed_work_timer_fn+0x0/0x20 [ 191.840545] Modules linked in: [ 191.841297] CPU: 12 PID: 9725 Comm: trinity-c141 Not tainted 3.15.0-rc2-next-20140423-sasha-00018-gc4ff6c4 #408 [ 191.842479] 0000000000000009 ffff88000a8ebc38 ffffffff975271f2 0000000000000001 [ 191.842479] ffff88000a8ebc88 ffff88000a8ebc78 ffffffff9415afcc ffff88000a8a3d98 [ 191.842479] ffff8801b3ad5140 ffffffff98e76200 ffffffff988dc502 ffffffff9b70c870 [ 191.842479] Call Trace: [ 191.842479] dump_stack (lib/dump_stack.c:52) [ 191.842479] warn_slowpath_common (kernel/panic.c:430) [ 191.842479] warn_slowpath_fmt (kernel/panic.c:445) [ 191.842479] debug_print_object (lib/debugobjects.c:262) [ 191.842479] ? __queue_work (kernel/workqueue.c:1452) [ 191.842479] __debug_check_no_obj_freed (lib/debugobjects.c:697) [ 191.842479] debug_check_no_obj_freed (lib/debugobjects.c:726) [ 191.842479] kmem_cache_free (mm/slub.c:2689 mm/slub.c:2717) [ 191.871535] ? kmem_cache_destroy (mm/slab_common.c:363) [ 191.871535] kmem_cache_destroy (mm/slab_common.c:363) [ 191.871535] dcookie_unregister (fs/dcookies.c:302 fs/dcookies.c:343) [ 191.871535] event_buffer_release (arch/x86/oprofile/../../../drivers/oprofile/event_buffer.c:153) [ 191.871535] __fput (fs/file_table.c:217) [ 191.871535] ____fput (fs/file_table.c:253) [ 191.871535] task_work_run (kernel/task_work.c:125 (discriminator 1)) [ 191.871535] do_notify_resume (include/linux/tracehook.h:196 arch/x86/kernel/signal.c:751) [ 191.871535] int_signal (arch/x86/kernel/entry_64.S:807) Thanks, Sasha -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/