cred 141KB 320KB anon_vma_chain 148KB 204KB anon_vma 172KB 270KB pid 207KB 409KB Acpi-Operand 263KB 372KB Acpi-ParseExt 63KB 90KB Acpi-Parse 71KB 110KB Acpi-State 39KB 78KB Acpi-Namespace 56KB 56KB shared_policy_node 16KB 16KB numa_policy 15KB 15KB perf_event 31KB 31KB trace_event_file 544KB 544KB ftrace_event_field 1008KB 1008KB pool_workqueue 1892KB 1952KB maple_node 439KB 1096KB task_group 46KB 46KB mm_struct 478KB 591KB vmap_area 327KB 962KB debug_objects_cache 1902KB 2519KB page->ptl 69KB 106KB kmalloc-cg-8k 2256KB 2368KB kmalloc-cg-4k 12744KB 13440KB kmalloc-cg-2k 9132KB 9664KB kmalloc-cg-1k 1988KB 2272KB kmalloc-cg-512 893KB 1264KB kmalloc-cg-256 472KB 496KB kmalloc-cg-128 230KB 244KB kmalloc-cg-64 92KB 128KB kmalloc-cg-32 76KB 144KB kmalloc-cg-16 16KB 16KB kmalloc-cg-8 31KB 36KB kmalloc-cg-192 68KB 68KB kmalloc-cg-96 44KB 44KB kmalloc-8k 4704KB 5120KB kmalloc-4k 25328KB 25424KB kmalloc-2k 11748KB 12928KB kmalloc-1k 7568KB 8864KB kmalloc-512 7813KB 8864KB kmalloc-256 15299KB 15300KB kmalloc-128 840KB 1004KB kmalloc-64 2855KB 3132KB kmalloc-32 1676KB 1968KB kmalloc-16 520KB 532KB kmalloc-8 899KB 928KB kmalloc-192 1522KB 1688KB kmalloc-96 1352KB 1588KB kmem_cache_node 219KB 220KB kmem_cache 195KB 195KB Out of memory and no killable processes... Kernel panic - not syncing: System is deadlocked on memory CPU: 0 UID: 0 PID: 1 Comm: init Not tainted 6.16.0-rc4-syzkaller-00308-ga79a588fc176 #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 panic+0x71c/0x800 kernel/panic.c:382 out_of_memory+0x16e4/0x1700 mm/oom_kill.c:1175 __alloc_pages_may_oom mm/page_alloc.c:3836 [inline] __alloc_pages_slowpath mm/page_alloc.c:4646 [inline] __alloc_frozen_pages_noprof+0x1d53/0x23f0 mm/page_alloc.c:4972 alloc_pages_mpol+0x1fb/0x550 mm/mempolicy.c:2419 folio_alloc_mpol_noprof+0x36/0x2f0 mm/mempolicy.c:2438 __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+0x635/0x65c0 mm/memory.c:4603 handle_pte_fault mm/memory.c:6072 [inline] __handle_mm_fault+0x162f/0x5490 mm/memory.c:6212 handle_mm_fault+0x589/0xd10 mm/memory.c:6381 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 c3 cc cc cc cc 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 e9 3f 09 04 00 66 66 2e 0f 1f 84 00 00 00 RSP: 0000:ffffc90000137e38 EFLAGS: 00050287 RAX: 00007f71aafaaae8 RBX: 00007f71aafaaae8 RCX: ffffc90000137ddc RDX: 00007ffffffff000 RSI: ffffffff81f12c67 RDI: ffffffff8c1571e0 RBP: ffffc90000137f28 R08: 2cfb7b1ab8be5804 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff8880404f8000 R13: ffffc90000137f58 R14: ffff8880404f8000 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:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:330 [inline] irqentry_exit_to_user_mode+0x179/0x270 kernel/entry/common.c:184 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0033:0x7f71ab1bbf87 Code: Unable to access opcode bytes at 0x7f71ab1bbf5d. RSP: 002b:00007ffe3c7160e0 EFLAGS: 00010217 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f71ab1446e7 RDX: 0000000000000000 RSI: 00007ffe3c715f90 RDI: 000000000000000a RBP: 0000000000000003 R08: 00007ffe3c716100 R09: 0000000000000000 R10: 0000000000000008 R11: 0000000000000206 R12: 0000000000000000 R13: 00007ffe3c716100 R14: 0000000000000002 R15: 00005558c6501d98 Kernel Offset: disabled Rebooting in 86400 seconds.. ---------------- Code disassembly (best guess): 0: ca c3 cc lret $0xccc3 3: cc int3 4: cc int3 5: cc int3 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: 90 nop 16: 48 ba 00 f0 ff ff ff movabs $0x7ffffffff000,%rdx 1d: 7f 00 00 20: 48 39 d0 cmp %rdx,%rax 23: 48 0f 47 c2 cmova %rdx,%rax 27: 0f 01 cb stac * 2a: 48 8b 10 mov (%rax),%rdx <-- trapping instruction 2d: 31 c0 xor %eax,%eax 2f: 0f 01 ca clac 32: e9 3f 09 04 00 jmp 0x40976 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax)