| TITLE: WARNING: kmalloc bug in kvm_vm_ioctl |
| |
| [ 232.358467] ------------[ cut here ]------------ |
| [ 232.358478] WARNING: CPU: 1 PID: 36348 at mm/slab_common.c:903 kmalloc_slab+0x89/0xa0() |
| [ 232.358482] Modules linked in: |
| [ 232.375269] 0000000000000000 ffff8801d1327980 ffffffff81da3492 1ffff1003a264f34 |
| [ 232.383292] ffff8801d42f0000 ffffffff8311a3a0 ffff8801d1327a40 0000000000400000 |
| [ 232.391306] ffff8801d1327a98 ffffffff816acb58 0000000000000001 024000c2d42f0000 |
| [ 232.399313] Call Trace: |
| [ 232.401884] [<ffffffff81da3492>] dump_stack+0xf6/0x184 |
| [ 232.407224] [<ffffffff816acb58>] warn_alloc+0x208/0x230 |
| [ 232.412658] [<ffffffff816ac950>] ? zone_watermark_ok_safe+0x2b0/0x2b0 |
| [ 232.419307] [<ffffffff812b43a8>] ? __do_page_fault+0x398/0x940 |
| [ 232.425350] [<ffffffff82e2541c>] ? retint_kernel+0x4e/0x4e |
| [ 232.431042] [<ffffffff81777c90>] __vmalloc_node_range_memcg+0x510/0x670 |
| [ 232.437862] [<ffffffff82e2541c>] ? retint_kernel+0x4e/0x4e |
| [ 232.443549] [<ffffffff81777e59>] vmalloc+0x69/0x70 |
| [ 232.448543] [<ffffffff81087150>] ? kvm_vm_ioctl+0x910/0x15e0 |
| [ 232.454406] [<ffffffff81087150>] kvm_vm_ioctl+0x910/0x15e0 |
| [ 232.460097] [<ffffffff81086840>] ? kvm_vm_ioctl_set_memory_ondemand_state+0x4a0/0x4a0 |
| [ 232.468130] [<ffffffff815927fc>] ? tracing_generic_entry_update+0x15c/0x1d0 |
| [ 232.475296] [<ffffffff815d078d>] ? perf_trace_buf_prepare+0x18d/0x230 |
| [ 232.482499] [<ffffffff81662d85>] ? __perf_event_task_sched_in+0x655/0x8d0 |
| [ 232.489489] [<ffffffff8142da14>] ? perf_trace_lock+0x304/0x570 |
| [ 232.495524] [<ffffffff8142d710>] ? perf_trace_lock_acquire+0x5c0/0x5c0 |
| [ 232.502256] [<ffffffff81436380>] ? debug_check_no_locks_freed+0x370/0x370 |
| [ 232.509247] [<ffffffff818867c2>] ? __fget+0x282/0x590 |
| [ 232.514502] [<ffffffff81086840>] ? kvm_vm_ioctl_set_memory_ondemand_state+0x4a0/0x4a0 |
| [ 232.522533] [<ffffffff81866662>] do_vfs_ioctl+0x842/0xee0 |
| [ 232.528137] [<ffffffff81865e20>] ? ioctl_preallocate+0x200/0x200 |
| [ 232.534355] [<ffffffff818867eb>] ? __fget+0x2ab/0x590 |
| [ 232.539607] [<ffffffff8188658c>] ? __fget+0x4c/0x590 |
| [ 232.544776] [<ffffffff81886bbc>] ? __fget_light+0xac/0x450 |
| [ 232.550466] [<ffffffff82e24990>] ? int_ret_from_sys_call+0x52/0xba |
| [ 232.556851] [<ffffffff81c42b8e>] ? security_file_ioctl+0x8e/0xc0 |
| [ 232.563063] [<ffffffff81866d94>] SyS_ioctl+0x94/0xc0 |
| [ 232.568232] [<ffffffff82e247d3>] entry_SYSCALL_64_fastpath+0x12/0x17 |
