cred 127KB 316KB anon_vma_chain 119KB 204KB anon_vma 159KB 326KB pid 186KB 385KB Acpi-Operand 250KB 360KB Acpi-ParseExt 90KB 90KB Acpi-Parse 90KB 130KB Acpi-State 90KB 126KB Acpi-Namespace 60KB 60KB shared_policy_node 4KB 4KB numa_policy 15KB 15KB perf_event 31KB 31KB trace_event_file 540KB 540KB ftrace_event_field 1008KB 1008KB pool_workqueue 1829KB 2032KB maple_node 464KB 1208KB task_group 61KB 61KB mm_struct 400KB 561KB vmap_area 298KB 752KB debug_objects_cache 2184KB 3010KB page->ptl 96KB 129KB kmalloc-cg-8k 1360KB 1680KB kmalloc-cg-4k 7720KB 11184KB kmalloc-cg-2k 5340KB 8168KB kmalloc-cg-1k 1208KB 1984KB kmalloc-cg-512 745KB 1492KB kmalloc-cg-256 398KB 496KB kmalloc-cg-128 177KB 252KB kmalloc-cg-64 86KB 108KB kmalloc-cg-32 67KB 192KB kmalloc-cg-16 20KB 20KB kmalloc-cg-8 32KB 44KB kmalloc-cg-192 99KB 108KB kmalloc-cg-96 61KB 80KB kmalloc-8k 4800KB 5472KB kmalloc-4k 29712KB 29760KB kmalloc-2k 11492KB 13408KB kmalloc-1k 7176KB 8920KB kmalloc-512 6778KB 9252KB kmalloc-256 9406KB 9408KB kmalloc-128 843KB 1104KB kmalloc-64 2739KB 3224KB kmalloc-32 1153KB 2280KB kmalloc-16 479KB 508KB kmalloc-8 365KB 584KB kmalloc-192 1201KB 1636KB kmalloc-96 1384KB 1580KB kmem_cache_node 220KB 224KB 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: 1 Comm: init Not tainted syzkaller #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 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x3d/0x1f0 lib/dump_stack.c:120 vpanic+0x6e8/0x7a0 kernel/panic.c:430 panic+0xca/0xd0 kernel/panic.c:566 out_of_memory+0x16e4/0x1700 mm/oom_kill.c:1175 __alloc_pages_may_oom mm/page_alloc.c:4025 [inline] __alloc_pages_slowpath mm/page_alloc.c:4835 [inline] __alloc_frozen_pages_noprof+0x1d53/0x23f0 mm/page_alloc.c:5161 alloc_pages_mpol+0x1fb/0x550 mm/mempolicy.c:2416 folio_alloc_mpol_noprof+0x36/0x2f0 mm/mempolicy.c:2435 __read_swap_cache_async+0x3b6/0x5a0 mm/swap_state.c:400 swap_cluster_readahead+0x4e1/0x710 mm/swap_state.c:632 swapin_readahead+0x13a/0xd60 mm/swap_state.c:811 do_swap_page+0x635/0x6490 mm/memory.c:4586 handle_pte_fault mm/memory.c:6055 [inline] __handle_mm_fault+0x1719/0x2a50 mm/memory.c:6195 handle_mm_fault+0x589/0xd10 mm/memory.c:6364 do_user_addr_fault+0x7a6/0x1370 arch/x86/mm/fault.c:1387 handle_page_fault arch/x86/mm/fault.c:1476 [inline] exc_page_fault+0x5c/0xb0 arch/x86/mm/fault.c:1532 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0010:__get_user_8+0x14/0x30 arch/x86/lib/getuser.S:103 Code: ca e9 90 17 04 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 ba 00 f0 ff ff ff 7f 00 00 48 39 d0 48 0f 47 c2 0f 01 cb <48> 8b 10 31 c0 0f 01 ca c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 RSP: 0000:ffffc90000137e38 EFLAGS: 00050287 RAX: 00007fcff159aae8 RBX: 00007fcff159aae8 RCX: 0000000000000001 RDX: 00007ffffffff000 RSI: ffffffff81effeb7 RDI: 0000000000000000 RBP: ffffc90000137f28 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888040ec8000 R13: ffffc90000137f58 R14: ffff888040ec8000 R15: ffffc90000137ea0 rseq_get_rseq_cs_ptr_val kernel/rseq.c:248 [inline] rseq_get_rseq_cs kernel/rseq.c:270 [inline] rseq_ip_fixup kernel/rseq.c:390 [inline] __rseq_handle_notify_resume+0x183/0x10e0 kernel/rseq.c:438 rseq_handle_notify_resume include/linux/rseq.h:38 [inline] resume_user_mode_work include/linux/resume_user_mode.h:62 [inline] exit_to_user_mode_loop kernel/entry/common.c:43 [inline] exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] irqentry_exit_to_user_mode+0x179/0x270 kernel/entry/common.c:73 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0033:0x7fcff17ac1b5 Code: Unable to access opcode bytes at 0x7fcff17ac18b. RSP: 002b:00007ffebf7671b0 EFLAGS: 00010207 RAX: 0000000000000003 RBX: 00007fcff17fd200 RCX: 00007fcff1758c3a RDX: 0000000000080000 RSI: 00007fcff17fd200 RDI: 0000000000000003 RBP: 00007fcff17f80a8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000001634 R15: 00005579e927fd98 Kernel Offset: disabled Rebooting in 86400 seconds.. ---------------- Code disassembly (best guess), 1 bytes skipped: 0: e9 90 17 04 00 jmp 0x41795 5: 90 nop 6: 90 nop 7: 90 nop 8: 90 nop 9: 90 nop a: 90 nop b: 90 nop c: 90 nop d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 48 ba 00 f0 ff ff ff movabs $0x7ffffffff000,%rdx 1c: 7f 00 00 1f: 48 39 d0 cmp %rdx,%rax 22: 48 0f 47 c2 cmova %rdx,%rax 26: 0f 01 cb stac * 29: 48 8b 10 mov (%rax),%rdx <-- trapping instruction 2c: 31 c0 xor %eax,%eax 2e: 0f 01 ca clac 31: c3 ret 32: cc int3 33: cc int3 34: cc int3 35: cc int3 36: 66 data16 37: 66 data16 38: 2e cs 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax)