task_struct 4322KB 5029KB cred 164KB 360KB anon_vma_chain 96KB 145KB anon_vma 127KB 247KB pid 204KB 448KB Acpi-Operand 268KB 384KB Acpi-ParseExt 66KB 86KB Acpi-Parse 43KB 83KB Acpi-State 82KB 118KB Acpi-Namespace 56KB 56KB numa_policy 11KB 11KB perf_event 30KB 30KB trace_event_file 544KB 544KB ftrace_event_field 1000KB 1000KB pool_workqueue 1995KB 2000KB maple_node 439KB 1088KB task_group 46KB 46KB mm_struct 365KB 510KB vmap_area 312KB 974KB debug_objects_cache 2446KB 2818KB page->ptl 95KB 110KB kmalloc-cg-8k 4784KB 4784KB kmalloc-cg-4k 16288KB 17696KB kmalloc-cg-2k 11352KB 12352KB kmalloc-cg-1k 2606KB 3008KB kmalloc-cg-512 1079KB 1424KB kmalloc-cg-256 557KB 584KB kmalloc-cg-128 264KB 296KB kmalloc-cg-64 83KB 108KB kmalloc-cg-32 73KB 188KB kmalloc-cg-16 17KB 24KB kmalloc-cg-8 32KB 32KB kmalloc-cg-192 64KB 64KB kmalloc-cg-96 36KB 36KB kmalloc-8k 5488KB 6112KB kmalloc-4k 29864KB 29928KB kmalloc-2k 12176KB 13600KB kmalloc-1k 10974KB 11588KB kmalloc-512 8875KB 9504KB kmalloc-256 10091KB 10108KB kmalloc-128 1007KB 1164KB kmalloc-64 3300KB 3640KB kmalloc-32 2046KB 2636KB kmalloc-16 514KB 532KB kmalloc-8 566KB 640KB kmalloc-192 1703KB 1944KB kmalloc-96 1197KB 1296KB kmem_cache_node 215KB 216KB kmem_cache 187KB 187KB Out of memory and no killable processes... Kernel panic - not syncing: System is deadlocked on memory CPU: 3 UID: 0 PID: 835 Comm: kworker/3:2 Not tainted 6.15.0-rc5-syzkaller-00038-g707df3375124 #0 PREEMPT(full) 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: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x3d/0x1f0 lib/dump_stack.c:120 panic+0x71c/0x800 kernel/panic.c:354 out_of_memory+0x16e4/0x1700 mm/oom_kill.c:1175 __alloc_pages_may_oom mm/page_alloc.c:3855 [inline] __alloc_pages_slowpath mm/page_alloc.c:4657 [inline] __alloc_frozen_pages_noprof+0x1c74/0x23a0 mm/page_alloc.c:4983 alloc_pages_mpol+0x1fb/0x550 mm/mempolicy.c:2301 alloc_frozen_pages_noprof mm/mempolicy.c:2372 [inline] alloc_pages_noprof+0x131/0x390 mm/mempolicy.c:2392 vm_area_alloc_pages mm/vmalloc.c:3591 [inline] __vmalloc_area_node mm/vmalloc.c:3669 [inline] __vmalloc_node_range_noprof+0x732/0x1540 mm/vmalloc.c:3844 vmalloc_user_noprof+0x6b/0x90 mm/vmalloc.c:3996 vb2_vmalloc_alloc+0x135/0x3f0 drivers/media/common/videobuf2/videobuf2-vmalloc.c:47 __vb2_buf_mem_alloc drivers/media/common/videobuf2/videobuf2-core.c:242 [inline] __vb2_queue_alloc+0x8c6/0x1280 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+0x33/0x150 drivers/media/common/videobuf2/videobuf2-v4l2.c:980 vb2_fop_poll+0x10f/0x2c0 drivers/media/common/videobuf2/videobuf2-v4l2.c:1245 v4l2_poll+0x160/0x320 drivers/media/v4l2-core/v4l2-dev.c:350 vfs_poll include/linux/poll.h:82 [inline] p9_fd_poll+0x10e/0x2c0 net/9p/trans_fd.c:238 p9_poll_mux net/9p/trans_fd.c:630 [inline] p9_poll_workfn+0x209/0x4e0 net/9p/trans_fd.c:1172 process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400 kthread+0x3c2/0x780 kernel/kthread.c:464 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Kernel Offset: disabled Rebooting in 86400 seconds..