task_struct 3588KB 4594KB cred 146KB 348KB anon_vma_chain 216KB 291KB anon_vma 235KB 390KB pid 159KB 375KB Acpi-Operand 271KB 380KB Acpi-ParseExt 63KB 86KB Acpi-Parse 67KB 106KB Acpi-State 90KB 126KB Acpi-Namespace 52KB 52KB numa_policy 15KB 15KB perf_event 30KB 30KB trace_event_file 528KB 528KB ftrace_event_field 972KB 972KB pool_workqueue 1896KB 1952KB maple_node 479KB 1192KB task_group 46KB 46KB mm_struct 338KB 475KB vmap_area 298KB 859KB debug_objects_cache 1772KB 2211KB page->ptl 82KB 118KB kmalloc-cg-8k 3696KB 3872KB kmalloc-cg-4k 11328KB 12896KB kmalloc-cg-2k 8148KB 9312KB kmalloc-cg-1k 1772KB 2208KB kmalloc-cg-512 748KB 1296KB kmalloc-cg-256 297KB 320KB kmalloc-cg-128 226KB 248KB kmalloc-cg-64 81KB 84KB kmalloc-cg-32 52KB 80KB kmalloc-cg-16 39KB 104KB kmalloc-cg-8 16KB 16KB kmalloc-cg-192 163KB 180KB kmalloc-cg-96 36KB 36KB kmalloc-8k 4976KB 5504KB kmalloc-4k 42584KB 42656KB kmalloc-2k 10732KB 12512KB kmalloc-1k 8166KB 10112KB kmalloc-512 6920KB 8000KB kmalloc-256 8898KB 8904KB kmalloc-128 894KB 1092KB kmalloc-64 2904KB 4384KB kmalloc-32 1523KB 1788KB kmalloc-16 476KB 504KB kmalloc-8 393KB 460KB kmalloc-192 1508KB 1672KB kmalloc-96 1076KB 1328KB kmem_cache_node 225KB 228KB kmem_cache 195KB 195KB Out of memory and no killable processes... Kernel panic - not syncing: System is deadlocked on memory CPU: 3 UID: 0 PID: 1 Comm: init Not tainted 6.13.0-rc1-syzkaller-00005-gceb8bf2ceaa7 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x3d/0x1f0 lib/dump_stack.c:120 panic+0x71d/0x800 kernel/panic.c:354 out_of_memory+0x16e6/0x1700 mm/oom_kill.c:1169 __alloc_pages_may_oom mm/page_alloc.c:3642 [inline] __alloc_pages_slowpath mm/page_alloc.c:4429 [inline] __alloc_pages_noprof+0x1e11/0x25b0 mm/page_alloc.c:4764 alloc_pages_mpol_noprof+0x2c9/0x610 mm/mempolicy.c:2265 folio_alloc_noprof+0x1e/0xc0 mm/mempolicy.c:2351 filemap_alloc_folio_noprof+0x3b4/0x480 mm/filemap.c:1009 __filemap_get_folio+0x539/0xaf0 mm/filemap.c:1951 filemap_fault+0x670/0x2820 mm/filemap.c:3354 __do_fault+0x10a/0x490 mm/memory.c:4907 do_read_fault mm/memory.c:5322 [inline] do_fault mm/memory.c:5456 [inline] do_pte_missing+0xebd/0x3e00 mm/memory.c:3979 handle_pte_fault mm/memory.c:5801 [inline] __handle_mm_fault+0x103c/0x2a40 mm/memory.c:5944 handle_mm_fault+0x3fa/0xaa0 mm/memory.c:6112 do_user_addr_fault+0x7a3/0x13f0 arch/x86/mm/fault.c:1389 handle_page_fault arch/x86/mm/fault.c:1481 [inline] exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1539 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0010:do_strncpy_from_user lib/strncpy_from_user.c:41 [inline] RIP: 0010:strncpy_from_user+0x14a/0x2d0 lib/strncpy_from_user.c:130 Code: 00 00 48 83 ed 08 4d 89 74 1d 00 bf 07 00 00 00 48 83 c3 08 48 89 ee e8 34 61 d0 fc 48 83 fd 07 76 22 e8 b9 5e d0 fc 45 31 ff <49> 8b 04 1c 31 ff 44 89 fe 49 89 c6 e8 e5 60 d0 fc 45 85 ff 0f 84 RSP: 0018:ffffc90000137da8 EFLAGS: 00050246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff84c8e128 RDX: ffff88801c6e8000 RSI: ffffffff84c8e1c7 RDI: 0000000000000007 RBP: 0000000000000fe0 R08: 0000000000000007 R09: 0000000000000007 R10: 0000000000000fe0 R11: 0000000000000000 R12: 00007fa3a3f64ea8 R13: ffff888011d53320 R14: 0000000000000fe0 R15: 0000000000000000 getname_flags.part.0+0x8f/0x550 fs/namei.c:150 getname_flags+0x93/0xf0 include/linux/audit.h:322 user_path_at+0x24/0x60 fs/namei.c:3069 do_faccessat+0x139/0xae0 fs/open.c:485 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa3a3ec0c91 Code: Unable to access opcode bytes at 0x7fa3a3ec0c67. RSP: 002b:00007ffec0430408 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 RAX: ffffffffffffffda RBX: 00007fa3a3f64ea8 RCX: 00007fa3a3ec0c91 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fa3a3f64ea8 RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 00000000000016c5 Kernel Offset: disabled Rebooting in 86400 seconds.. ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 48 83 ed 08 sub $0x8,%rbp 6: 4d 89 74 1d 00 mov %r14,0x0(%r13,%rbx,1) b: bf 07 00 00 00 mov $0x7,%edi 10: 48 83 c3 08 add $0x8,%rbx 14: 48 89 ee mov %rbp,%rsi 17: e8 34 61 d0 fc call 0xfcd06150 1c: 48 83 fd 07 cmp $0x7,%rbp 20: 76 22 jbe 0x44 22: e8 b9 5e d0 fc call 0xfcd05ee0 27: 45 31 ff xor %r15d,%r15d * 2a: 49 8b 04 1c mov (%r12,%rbx,1),%rax <-- trapping instruction 2e: 31 ff xor %edi,%edi 30: 44 89 fe mov %r15d,%esi 33: 49 89 c6 mov %rax,%r14 36: e8 e5 60 d0 fc call 0xfcd06120 3b: 45 85 ff test %r15d,%r15d 3e: 0f .byte 0xf 3f: 84 .byte 0x84