cred 120KB 332KB anon_vma_chain 231KB 326KB anon_vma 226KB 455KB pid 145KB 359KB Acpi-Operand 201KB 332KB Acpi-ParseExt 21KB 39KB Acpi-Parse 12KB 23KB Acpi-State 9KB 31KB Acpi-Namespace 31KB 44KB shared_policy_node 3KB 4KB numa_policy 10KB 12KB perf_event 15KB 31KB trace_event_file 577KB 580KB ftrace_event_field 1118KB 1122KB pool_workqueue 2060KB 2128KB task_group 35KB 48KB maple_node 542KB 1472KB mm_struct 168KB 446KB vmap_area 286KB 796KB debug_objects_cache 1952KB 5054KB page->ptl 49KB 137KB kmalloc-cg-8k 1408KB 1536KB kmalloc-cg-4k 10928KB 11552KB kmalloc-cg-2k 6656KB 7212KB kmalloc-cg-1k 1938KB 2272KB kmalloc-cg-512 793KB 1168KB kmalloc-cg-256 277KB 328KB kmalloc-cg-128 199KB 216KB kmalloc-cg-64 52KB 68KB kmalloc-cg-32 40KB 168KB kmalloc-cg-16 5KB 28KB kmalloc-cg-8 17KB 36KB kmalloc-cg-192 56KB 68KB kmalloc-cg-96 52KB 76KB kmalloc-8k 4256KB 4640KB kmalloc-4k 14144KB 15424KB kmalloc-2k 13780KB 15232KB kmalloc-1k 5200KB 6784KB kmalloc-512 10015KB 10912KB kmalloc-256 7804KB 7884KB kmalloc-128 1410KB 1760KB kmalloc-64 3020KB 3248KB kmalloc-32 1282KB 1648KB kmalloc-16 386KB 412KB kmalloc-8 365KB 420KB kmalloc-192 3510KB 4224KB kmalloc-96 3649KB 5596KB kmem_cache_node 214KB 220KB kmem_cache 178KB 226KB Out of memory and no killable processes... Kernel panic - not syncing: System is deadlocked on memory CPU: 2 UID: 0 PID: 1 Comm: init 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 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120 vpanic+0x552/0x970 kernel/panic.c:651 panic+0xd1/0xe0 kernel/panic.c:788 out_of_memory.cold+0xa2/0x170 mm/oom_kill.c:1166 __alloc_pages_may_oom mm/page_alloc.c:4116 [inline] __alloc_pages_slowpath mm/page_alloc.c:4967 [inline] __alloc_frozen_pages_noprof+0x24c2/0x2dc0 mm/page_alloc.c:5317 alloc_pages_mpol+0x1fb/0x540 mm/mempolicy.c:2490 alloc_pages_noprof mm/mempolicy.c:2581 [inline] folio_alloc_noprof+0x22/0x250 mm/mempolicy.c:2591 filemap_alloc_folio_noprof.part.0+0x377/0x450 mm/filemap.c:1019 filemap_alloc_folio_noprof mm/filemap.c:2033 [inline] __filemap_get_folio_mpol+0x653/0x1320 mm/filemap.c:2018 __filemap_get_folio include/linux/pagemap.h:761 [inline] filemap_fault+0x879/0x3130 mm/filemap.c:3598 __do_fault+0x10b/0x440 mm/memory.c:5425 do_read_fault mm/memory.c:5860 [inline] do_fault+0xa99/0x1750 mm/memory.c:5994 do_pte_missing mm/memory.c:4566 [inline] handle_pte_fault mm/memory.c:6379 [inline] __handle_mm_fault+0x187d/0x2a00 mm/memory.c:6517 handle_mm_fault+0x37b/0xa30 mm/memory.c:6686 do_user_addr_fault+0x74c/0x12f0 arch/x86/mm/fault.c:1394 handle_page_fault arch/x86/mm/fault.c:1483 [inline] exc_page_fault+0x6f/0xd0 arch/x86/mm/fault.c:1536 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595 RIP: 0010:do_strncpy_from_user lib/strncpy_from_user.c:41 [inline] RIP: 0010:strncpy_from_user+0xfd/0x2d0 lib/strncpy_from_user.c:130 Code: 00 4d 89 64 1d 00 48 83 ed 08 bf 07 00 00 00 48 83 c3 08 48 89 ee e8 c2 37 b9 fc 48 83 fd 07 0f 86 bb 00 00 00 e8 13 3d b9 fc <4d> 8b 24 1e e8 0a 3d b9 fc 4c 89 e2 31 ff 4d 8d 7c 1d 00 48 b8 ff RSP: 0018:ffffc90000137da8 EFLAGS: 00050293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff85509236 RDX: ffff88801de80000 RSI: ffffffff8550928d RDI: ffff88801de80000 RBP: 00000000000000a8 R08: 0000000000000007 R09: 0000000000000007 R10: 00000000000000a8 R11: 0000000000000000 R12: 0000000000000000 R13: ffff888079354418 R14: 00007fbfe3fe47a9 R15: 00000000000000a8 do_getname+0x78/0x390 fs/namei.c:198 class_filename_uflags_constructor include/linux/fs.h:2567 [inline] do_faccessat+0x115/0xc10 fs/open.c:486 __do_sys_access fs/open.c:547 [inline] __se_sys_access fs/open.c:545 [inline] __x64_sys_access+0x5b/0x80 fs/open.c:545 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x115/0x840 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fbfe3e4e2c7 Code: Unable to access opcode bytes at 0x7fbfe3e4e29d. RSP: 002b:00007ffd16f4afd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 RAX: ffffffffffffffda RBX: 00007fbfe3fe47a9 RCX: 00007fbfe3e4e2c7 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 00007fbfe3fe47a9 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000001537 R15: 000055c4d1d07d98 Kernel Offset: disabled Rebooting in 86400 seconds.. ---------------- Code disassembly (best guess): 0: 00 4d 89 add %cl,-0x77(%rbp) 3: 64 1d 00 48 83 ed fs sbb $0xed834800,%eax 9: 08 bf 07 00 00 00 or %bh,0x7(%rdi) f: 48 83 c3 08 add $0x8,%rbx 13: 48 89 ee mov %rbp,%rsi 16: e8 c2 37 b9 fc call 0xfcb937dd 1b: 48 83 fd 07 cmp $0x7,%rbp 1f: 0f 86 bb 00 00 00 jbe 0xe0 25: e8 13 3d b9 fc call 0xfcb93d3d * 2a: 4d 8b 24 1e mov (%r14,%rbx,1),%r12 <-- trapping instruction 2e: e8 0a 3d b9 fc call 0xfcb93d3d 33: 4c 89 e2 mov %r12,%rdx 36: 31 ff xor %edi,%edi 38: 4d 8d 7c 1d 00 lea 0x0(%r13,%rbx,1),%r15 3d: 48 rex.W 3e: b8 .byte 0xb8 3f: ff .byte 0xff