cred 159KB 308KB anon_vma_chain 125KB 185KB anon_vma 184KB 302KB pid 163KB 417KB Acpi-Operand 234KB 336KB Acpi-ParseExt 59KB 86KB Acpi-Parse 39KB 79KB Acpi-State 70KB 106KB Acpi-Namespace 56KB 56KB shared_policy_node 12KB 12KB numa_policy 15KB 15KB perf_event 62KB 62KB trace_event_file 544KB 544KB ftrace_event_field 1008KB 1008KB pool_workqueue 1863KB 2000KB maple_node 445KB 1120KB task_group 61KB 61KB mm_struct 464KB 561KB vmap_area 300KB 990KB debug_objects_cache 2254KB 2798KB page->ptl 88KB 149KB kmalloc-cg-8k 1952KB 2336KB kmalloc-cg-4k 10528KB 13536KB kmalloc-cg-2k 7548KB 10048KB kmalloc-cg-1k 1716KB 2592KB kmalloc-cg-512 902KB 1776KB kmalloc-cg-256 457KB 576KB kmalloc-cg-128 226KB 296KB kmalloc-cg-64 98KB 128KB kmalloc-cg-32 79KB 160KB kmalloc-cg-16 17KB 28KB kmalloc-cg-8 33KB 36KB kmalloc-cg-192 67KB 80KB kmalloc-cg-96 76KB 76KB kmalloc-8k 6192KB 6848KB kmalloc-4k 33728KB 33824KB kmalloc-2k 12196KB 13952KB kmalloc-1k 6818KB 9376KB kmalloc-512 7565KB 9456KB kmalloc-256 6043KB 6044KB kmalloc-128 914KB 1144KB kmalloc-64 2987KB 3440KB kmalloc-32 1497KB 2332KB kmalloc-16 542KB 584KB kmalloc-8 373KB 504KB kmalloc-192 1505KB 1880KB kmalloc-96 1372KB 1652KB kmem_cache_node 219KB 224KB kmem_cache 187KB 187KB 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-00049-gb4911fb0b060 #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:ffffc90000137df8 EFLAGS: 00050287 RAX: 00007f1ff5a5aae8 RBX: 00007f1ff5a5aae8 RCX: ffffc90000137d9c RDX: 00007ffffffff000 RSI: ffffffff81f12c87 RDI: ffffffff8c156760 RBP: ffffc90000137ef8 R08: 2cfb7b1ab8be5804 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888040e88000 R13: ffffc90000137f58 R14: ffff888040e88000 R15: ffffc90000137e60 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+0xcb/0x110 kernel/entry/common.c:114 exit_to_user_mode_prepare include/linux/entry-common.h:330 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:414 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:449 [inline] do_syscall_64+0x3f6/0x490 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f1ff5baa407 Code: Unable to access opcode bytes at 0x7f1ff5baa3dd. RSP: 002b:00007ffe6a64bf70 EFLAGS: 00000202 ORIG_RAX: 0000000000000080 RAX: 0000000000000011 RBX: 00007f1ff5a5ac80 RCX: 00007f1ff5baa407 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007f1ff5dc4498 RBP: 00007f1ff5dc4490 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000008 R11: 0000000000000202 R12: 00007f1ff5dc4490 R13: 00007ffe6a64bfec R14: 00007f1ff5e04000 R15: 0000560c2cb54d98 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)