cred                     152KB        368KB
anon_vma_chain           159KB        220KB
anon_vma                 179KB        270KB
pid                      208KB        417KB
Acpi-Operand             244KB        356KB
Acpi-ParseExt            129KB        129KB
Acpi-Parse                78KB        118KB
Acpi-State                43KB         78KB
Acpi-Namespace            56KB         56KB
shared_policy_node          4KB          4KB
numa_policy               15KB         15KB
perf_event                62KB         62KB
trace_event_file         528KB        528KB
ftrace_event_field       1004KB       1004KB
pool_workqueue          2093KB       2144KB
task_group                61KB         61KB
maple_node               548KB       1336KB
mm_struct                441KB        612KB
vmap_area                354KB        911KB
debug_objects_cache       2517KB       2930KB
page->ptl                 87KB        114KB
kmalloc-cg-8k           2272KB       2432KB
kmalloc-cg-4k          16936KB      18144KB
kmalloc-cg-2k          10996KB      11840KB
kmalloc-cg-1k           3148KB       3712KB
kmalloc-cg-512          1186KB       1796KB
kmalloc-cg-256           496KB        560KB
kmalloc-cg-128           287KB        324KB
kmalloc-cg-64            102KB        108KB
kmalloc-cg-32             69KB        156KB
kmalloc-cg-16             29KB         44KB
kmalloc-cg-8              40KB         40KB
kmalloc-cg-192           119KB        148KB
kmalloc-cg-96             88KB         88KB
kmalloc-8k              6608KB       7104KB
kmalloc-4k             28760KB      32608KB
kmalloc-2k             13628KB      15104KB
kmalloc-1k             10450KB      10976KB
kmalloc-512             9417KB      10480KB
kmalloc-256             4836KB       4844KB
kmalloc-128             1401KB       2028KB
kmalloc-64              3008KB       3728KB
kmalloc-32              1817KB       2556KB
kmalloc-16               448KB        488KB
kmalloc-8               1135KB       1244KB
kmalloc-192             2068KB       2428KB
kmalloc-96              1630KB       2148KB
kmem_cache_node          224KB        228KB
kmem_cache               195KB        195KB
Out of memory and no killable processes...
Kernel panic - not syncing: System is deadlocked on memory
CPU: 1 UID: 0 PID: 6026 Comm: kworker/1:4 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: events p9_poll_workfn
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x3d/0x1f0 lib/dump_stack.c:120
 vpanic+0x640/0x6f0 kernel/panic.c:489
 panic+0xca/0xd0 kernel/panic.c:626
 out_of_memory+0x16e6/0x1700 mm/oom_kill.c:1182
 __alloc_pages_may_oom mm/page_alloc.c:4092 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4897 [inline]
 __alloc_frozen_pages_noprof+0x1dbc/0x2430 mm/page_alloc.c:5223
 alloc_pages_mpol+0x1fb/0x550 mm/mempolicy.c:2486
 alloc_frozen_pages_noprof mm/mempolicy.c:2557 [inline]
 alloc_pages_noprof+0x131/0x390 mm/mempolicy.c:2577
 vm_area_alloc_pages mm/vmalloc.c:3718 [inline]
 __vmalloc_area_node mm/vmalloc.c:3863 [inline]
 __vmalloc_node_range_noprof+0x6d1/0x16b0 mm/vmalloc.c:4051
 vmalloc_user_noprof+0x9e/0xe0 mm/vmalloc.c:4205
 vb2_vmalloc_alloc+0x135/0x410 drivers/media/common/videobuf2/videobuf2-vmalloc.c:47
 __vb2_buf_mem_alloc drivers/media/common/videobuf2/videobuf2-core.c:242 [inline]
 __vb2_queue_alloc+0x8c9/0x1280 drivers/media/common/videobuf2/videobuf2-core.c:523
 vb2_core_reqbufs+0xa90/0xfe0 drivers/media/common/videobuf2/videobuf2-core.c:964
 __vb2_init_fileio+0x3f1/0x1100 drivers/media/common/videobuf2/videobuf2-core.c:2895
 vb2_core_poll+0x5ec/0x700 drivers/media/common/videobuf2/videobuf2-core.c:2729
 vb2_poll+0x4b/0xe0 drivers/media/common/videobuf2/videobuf2-v4l2.c:979
 vb2_fop_poll+0x10f/0x2c0 drivers/media/common/videobuf2/videobuf2-v4l2.c:1245
 v4l2_poll+0x163/0x320 drivers/media/v4l2-core/v4l2-dev.c:350
 vfs_poll include/linux/poll.h:82 [inline]
 p9_fd_poll+0x111/0x2c0 net/9p/trans_fd.c:202
 p9_poll_mux+0xd4/0x370 net/9p/trans_fd.c:594
 p9_poll_workfn+0x115/0x1c0 net/9p/trans_fd.c:1065
 process_one_work+0x9ba/0x1b20 kernel/workqueue.c:3257
 process_scheduled_works kernel/workqueue.c:3340 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3421
 kthread+0x3c5/0x780 kernel/kthread.c:463
 ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>
Kernel Offset: disabled
Rebooting in 86400 seconds..