cred 133KB 356KB anon_vma_chain 217KB 413KB anon_vma 222KB 559KB pid 143KB 359KB Acpi-Operand 197KB 328KB Acpi-ParseExt 14KB 27KB Acpi-Parse 9KB 27KB Acpi-State 12KB 31KB Acpi-Namespace 35KB 44KB shared_policy_node 3KB 4KB numa_policy 9KB 12KB perf_event 15KB 31KB trace_event_file 577KB 580KB ftrace_event_field 1134KB 1134KB pool_workqueue 2114KB 2256KB task_group 25KB 48KB maple_node 509KB 1632KB mm_struct 189KB 520KB vmap_area 865KB 1168KB debug_objects_cache 1990KB 8447KB page->ptl 78KB 192KB kmalloc-cg-8k 1920KB 2272KB kmalloc-cg-4k 10472KB 12744KB kmalloc-cg-2k 6796KB 8576KB kmalloc-cg-1k 1992KB 3072KB kmalloc-cg-512 835KB 1456KB kmalloc-cg-256 303KB 416KB kmalloc-cg-128 216KB 268KB kmalloc-cg-64 67KB 92KB kmalloc-cg-32 70KB 180KB kmalloc-cg-16 6KB 16KB kmalloc-cg-8 7KB 28KB kmalloc-cg-192 59KB 84KB kmalloc-cg-96 54KB 76KB kmalloc-8k 5104KB 5536KB kmalloc-4k 30248KB 31048KB kmalloc-2k 12068KB 13728KB kmalloc-1k 5442KB 7968KB kmalloc-512 11382KB 12368KB kmalloc-256 6272KB 6696KB kmalloc-128 5377KB 8000KB kmalloc-64 2910KB 3180KB kmalloc-32 1576KB 2168KB kmalloc-16 428KB 544KB kmalloc-8 850KB 1008KB kmalloc-192 4195KB 4932KB kmalloc-96 1617KB 1920KB kmem_cache_node 215KB 220KB kmem_cache 179KB 218KB Out of memory and no killable processes... Kernel panic - not syncing: System is deadlocked on memory CPU: 3 UID: 0 PID: 5199 Comm: udevd 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+0x553/0x970 kernel/panic.c:651 panic+0xd1/0xe0 kernel/panic.c:788 out_of_memory.cold+0xa2/0x170 mm/oom_kill.c:1166 __alloc_pages_may_oom mm/page_alloc.c:4113 [inline] __alloc_pages_slowpath mm/page_alloc.c:5030 [inline] __alloc_frozen_pages_noprof+0x282b/0x32e0 mm/page_alloc.c:5449 alloc_pages_mpol+0x201/0x550 mm/mempolicy.c:2486 folio_alloc_mpol_noprof+0x36/0x260 mm/mempolicy.c:2505 __swap_cache_alloc mm/swap_state.c:440 [inline] swap_cache_alloc_folio+0x3d7/0xc50 mm/swap_state.c:530 swap_cache_read_folio+0x47/0x140 mm/swap_state.c:652 swap_cache_read_folio_sync mm/swap_state.c:736 [inline] swap_cluster_readahead+0x477/0x5d0 mm/swap_state.c:858 swapin_readahead+0xf0/0x260 mm/swap_state.c:997 do_swap_page+0xf6d/0x5570 mm/memory.c:4971 handle_pte_fault mm/memory.c:6561 [inline] __handle_mm_fault+0x15bd/0x2f60 mm/memory.c:6707 handle_mm_fault+0x363/0xa20 mm/memory.c:6876 do_user_addr_fault+0x745/0x12f0 arch/x86/mm/fault.c:1394 handle_page_fault arch/x86/mm/fault.c:1483 [inline] exc_page_fault+0x6f/0xd0 arch/x86/mm/fault.c:1536 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595 RIP: 0010:rseq_set_ids_get_csaddr include/linux/rseq_entry.h:489 [inline] RIP: 0010:rseq_update_usr include/linux/rseq_entry.h:537 [inline] RIP: 0010:rseq_slowpath_update_usr kernel/rseq.c:303 [inline] RIP: 0010:__rseq_handle_slowpath+0x248/0x680 kernel/rseq.c:329 Code: 0f 85 1f 04 00 00 44 0f b6 bb 64 16 00 00 bf 01 00 00 00 44 89 fe e8 87 1d c1 ff 41 80 ff 01 0f 86 33 01 00 00 e8 68 23 c1 ff <45> 8b 7d 00 e8 5f 23 c1 ff 48 8d bb 68 16 00 00 48 b8 00 00 00 00 RSP: 0000:ffffc900031afea0 EFLAGS: 00050293 RAX: 0000000000000000 RBX: ffff888000f70000 RCX: 0000000000000000 RDX: ffff888000f70000 RSI: ffffffff824beee8 RDI: ffff888000f70000 RBP: ffffc900031afef0 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000002 R11: 0000000000000001 R12: ffffc900031aff48 R13: 00007f8ba4e1d680 R14: 0000000000000000 R15: 0000000000000002 rseq_handle_slowpath include/linux/rseq.h:22 [inline] resume_user_mode_work include/linux/resume_user_mode.h:62 [inline] __exit_to_user_mode_loop kernel/entry/common.c:70 [inline] exit_to_user_mode_loop kernel/entry/common.c:101 [inline] __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] irqentry_exit_to_user_mode_prepare include/linux/irq-entry-common.h:244 [inline] irqentry_exit_to_user_mode include/linux/irq-entry-common.h:315 [inline] irqentry_exit+0x5a0/0xab0 kernel/entry/common.c:152 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595 RIP: 0033:0x7f8ba4f20ee1 Code: Unable to access opcode bytes at 0x7f8ba4f20eb7. RSP: 002b:00007ffcd9a3c658 EFLAGS: 00010202 RAX: 0000000000000001 RBX: 0000000000000bb8 RCX: 00007ffcd9a3c730 RDX: 0000000000000001 RSI: 00007ffcd9a3c770 RDI: 000000000000000b RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000bb8 R11: 0000000000000202 R12: 0000000000000000 R13: 000055f25b642100 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds.. ---------------- Code disassembly (best guess): 0: 0f 85 1f 04 00 00 jne 0x425 6: 44 0f b6 bb 64 16 00 movzbl 0x1664(%rbx),%r15d d: 00 e: bf 01 00 00 00 mov $0x1,%edi 13: 44 89 fe mov %r15d,%esi 16: e8 87 1d c1 ff call 0xffc11da2 1b: 41 80 ff 01 cmp $0x1,%r15b 1f: 0f 86 33 01 00 00 jbe 0x158 25: e8 68 23 c1 ff call 0xffc12392 * 2a: 45 8b 7d 00 mov 0x0(%r13),%r15d <-- trapping instruction 2e: e8 5f 23 c1 ff call 0xffc12392 33: 48 8d bb 68 16 00 00 lea 0x1668(%rbx),%rdi 3a: 48 rex.W 3b: b8 00 00 00 00 mov $0x0,%eax