cred 116KB 352KB anon_vma_chain 100KB 224KB anon_vma 120KB 271KB pid 148KB 375KB Acpi-Operand 195KB 328KB Acpi-ParseExt 21KB 39KB Acpi-Parse 19KB 35KB Acpi-State 16KB 31KB Acpi-Namespace 31KB 44KB shared_policy_node 6KB 8KB numa_policy 9KB 16KB perf_event 26KB 62KB trace_event_file 540KB 540KB ftrace_event_field 1031KB 1031KB pool_workqueue 2227KB 2336KB task_group 84KB 110KB maple_node 462KB 1272KB mm_struct 143KB 336KB vmap_area 282KB 990KB debug_objects_cache 3159KB 14136KB page->ptl 24KB 102KB kmalloc-cg-8k 3088KB 3232KB kmalloc-cg-4k 19152KB 20912KB kmalloc-cg-2k 13536KB 16128KB kmalloc-cg-1k 3602KB 4448KB kmalloc-cg-512 1621KB 2224KB kmalloc-cg-256 637KB 776KB kmalloc-cg-128 381KB 444KB kmalloc-cg-64 74KB 144KB kmalloc-cg-32 35KB 160KB kmalloc-cg-16 4KB 24KB kmalloc-cg-8 27KB 40KB kmalloc-cg-192 80KB 96KB kmalloc-cg-96 77KB 112KB kmalloc-8k 7408KB 7824KB kmalloc-4k 18496KB 18536KB kmalloc-2k 11992KB 13792KB kmalloc-1k 11996KB 12008KB kmalloc-512 15032KB 17408KB kmalloc-256 17099KB 17108KB kmalloc-128 7110KB 11936KB kmalloc-64 4053KB 4056KB kmalloc-32 2225KB 3212KB kmalloc-16 518KB 1196KB kmalloc-8 1153KB 1316KB kmalloc-192 2250KB 2960KB kmalloc-96 2267KB 3356KB kmem_cache_node 213KB 220KB kmem_cache 177KB 218KB Out of memory and no killable processes... Kernel panic - not syncing: System is deadlocked on memory CPU: 1 UID: 0 PID: 1 Comm: init Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120 vpanic+0x552/0x970 kernel/panic.c:650 panic+0xd1/0xe0 kernel/panic.c:787 out_of_memory.cold+0xa2/0x170 mm/oom_kill.c:1166 __alloc_pages_may_oom mm/page_alloc.c:4118 [inline] __alloc_pages_slowpath mm/page_alloc.c:4916 [inline] __alloc_frozen_pages_noprof+0x232d/0x2bc0 mm/page_alloc.c:5241 alloc_pages_mpol+0x1fb/0x540 mm/mempolicy.c:2490 folio_alloc_mpol_noprof+0x36/0x260 mm/mempolicy.c:2509 swap_cache_alloc_folio+0x1a8/0x300 mm/swap_state.c:548 swap_cluster_readahead+0x53b/0x770 mm/swap_state.c:745 swapin_readahead+0x160/0x12c0 mm/swap_state.c:901 do_swap_page+0x931/0x6180 mm/memory.c:4875 handle_pte_fault mm/memory.c:6414 [inline] __handle_mm_fault+0x192f/0x2a00 mm/memory.c:6549 handle_mm_fault+0x36d/0xa20 mm/memory.c:6718 do_user_addr_fault+0x74c/0x12f0 arch/x86/mm/fault.c:1385 handle_page_fault arch/x86/mm/fault.c:1474 [inline] exc_page_fault+0x6f/0xd0 arch/x86/mm/fault.c:1527 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618 RIP: 0010:rseq_set_ids_get_csaddr+0x88/0x210 include/linux/rseq_entry.h:513 Code: 0f 47 e8 0f 01 cb 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 42 01 00 00 44 8b 3b <44> 89 7d 00 e8 2f 84 c6 ff 44 89 7d 04 e8 26 84 c6 ff 44 89 75 14 RSP: 0018:ffffc90000137de8 EFLAGS: 00050246 RAX: 0000000000000000 RBX: ffffc90000137e40 RCX: ffffc90000137e60 RDX: 1ffff92000026fc8 RSI: ffffffff82419a10 RDI: ffff88801dae9600 RBP: 00007fa8cb728ac0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff88801dae8000 R13: ffffc90000137e60 R14: 0000000000000000 R15: 0000000000000000 rseq_update_usr include/linux/rseq_entry.h:546 [inline] rseq_slowpath_update_usr kernel/rseq.c:306 [inline] __rseq_handle_slowpath+0x251/0x3c0 kernel/rseq.c:332 rseq_handle_slowpath include/linux/rseq.h:17 [inline] resume_user_mode_work include/linux/resume_user_mode.h:62 [inline] __exit_to_user_mode_loop kernel/entry/common.c:67 [inline] exit_to_user_mode_loop+0xd3/0x4a0 kernel/entry/common.c:98 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:238 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:328 [inline] do_syscall_64+0x6f2/0xf80 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa8cb878407 Code: Unable to access opcode bytes at 0x7fa8cb8783dd. RSP: 002b:00007ffc2377b2f0 EFLAGS: 00000202 ORIG_RAX: 00000000000000e6 RAX: 0000000000000000 RBX: 00007fa8cb728c80 RCX: 00007fa8cb878407 RDX: 00007ffc2377b330 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 R10: 00007ffc2377b330 R11: 0000000000000202 R12: 00007fa8cba92490 R13: 00007ffc2377b36c R14: 00007fa8cbad2000 R15: 000055f07109dd98 Kernel Offset: disabled Rebooting in 86400 seconds.. ---------------- Code disassembly (best guess): 0: 0f 47 e8 cmova %eax,%ebp 3: 0f 01 cb stac 6: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax d: fc ff df 10: 48 89 da mov %rbx,%rdx 13: 48 c1 ea 03 shr $0x3,%rdx 17: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax 1b: 84 c0 test %al,%al 1d: 74 08 je 0x27 1f: 3c 03 cmp $0x3,%al 21: 0f 8e 42 01 00 00 jle 0x169 27: 44 8b 3b mov (%rbx),%r15d * 2a: 44 89 7d 00 mov %r15d,0x0(%rbp) <-- trapping instruction 2e: e8 2f 84 c6 ff call 0xffc68462 33: 44 89 7d 04 mov %r15d,0x4(%rbp) 37: e8 26 84 c6 ff call 0xffc68462 3c: 44 89 75 14 mov %r14d,0x14(%rbp)