cred 132KB 288KB anon_vma_chain 94KB 145KB anon_vma 126KB 199KB pid 202KB 385KB Acpi-Operand 247KB 364KB Acpi-ParseExt 35KB 70KB Acpi-Parse 59KB 98KB Acpi-State 82KB 118KB Acpi-Namespace 56KB 56KB shared_policy_node 16KB 16KB numa_policy 15KB 15KB perf_event 62KB 62KB trace_event_file 540KB 540KB ftrace_event_field 1008KB 1008KB pool_workqueue 1964KB 2080KB maple_node 432KB 1152KB task_group 30KB 30KB mm_struct 282KB 473KB vmap_area 279KB 685KB debug_objects_cache 3957KB 4599KB page->ptl 102KB 122KB kmalloc-cg-8k 1840KB 2128KB kmalloc-cg-4k 12608KB 15552KB kmalloc-cg-2k 8856KB 11456KB kmalloc-cg-1k 1886KB 2784KB kmalloc-cg-512 979KB 1728KB kmalloc-cg-256 480KB 576KB kmalloc-cg-128 234KB 292KB kmalloc-cg-64 105KB 136KB kmalloc-cg-32 72KB 164KB kmalloc-cg-16 36KB 48KB kmalloc-cg-8 31KB 48KB kmalloc-cg-192 94KB 116KB kmalloc-cg-96 84KB 88KB kmalloc-8k 5280KB 6048KB kmalloc-4k 18008KB 18112KB kmalloc-2k 12108KB 13792KB kmalloc-1k 7998KB 11264KB kmalloc-512 9565KB 12016KB kmalloc-256 5877KB 5884KB kmalloc-128 959KB 1336KB kmalloc-64 3025KB 4300KB kmalloc-32 1761KB 3292KB kmalloc-16 608KB 672KB kmalloc-8 915KB 1208KB kmalloc-192 1719KB 2152KB kmalloc-96 1331KB 1616KB kmem_cache_node 240KB 244KB kmem_cache 195KB 195KB Out of memory and no killable processes... Kernel panic - not syncing: System is deadlocked on memory CPU: 2 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: 00007f94f8602ae8 RBX: 00007f94f8602ae8 RCX: 0000000000000001 RDX: 00007ffffffff000 RSI: ffffffff81effeb7 RDI: 0000000000000000 RBP: ffffc90000137f28 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88801dab8000 R13: ffffc90000137f58 R14: ffff88801dab8000 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: 0033:0x7f94f882bdc0 Code: Unable to access opcode bytes at 0x7f94f882bd96. RSP: 002b:00007ffee2ccd568 EFLAGS: 00010206 RAX: 0000000000000006 RBX: 00007f94f8865200 RCX: 000000000000006c RDX: ffffffffffffff88 RSI: 00007f94f88600b7 RDI: 00007f94f8865200 RBP: 00007f94f88600b7 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000001634 R15: 000055a36f309d98 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)