cred 115KB 340KB anon_vma_chain 95KB 267KB anon_vma 112KB 327KB pid 123KB 359KB Acpi-Operand 195KB 308KB Acpi-ParseExt 19KB 35KB Acpi-Parse 11KB 19KB Acpi-State 15KB 39KB Acpi-Namespace 34KB 44KB shared_policy_node 7KB 12KB numa_policy 7KB 16KB perf_event 24KB 62KB trace_event_file 577KB 580KB ftrace_event_field 1118KB 1122KB pool_workqueue 2337KB 2448KB task_group 36KB 48KB maple_node 383KB 1112KB mm_struct 111KB 446KB vmap_area 103KB 724KB debug_objects_cache 3046KB 13365KB page->ptl 19KB 106KB kmalloc-cg-8k 2960KB 3120KB kmalloc-cg-4k 19488KB 20544KB kmalloc-cg-2k 12492KB 13440KB kmalloc-cg-1k 3470KB 4064KB kmalloc-cg-512 1402KB 1760KB kmalloc-cg-256 506KB 552KB kmalloc-cg-128 319KB 344KB kmalloc-cg-64 51KB 76KB kmalloc-cg-32 34KB 164KB kmalloc-cg-16 5KB 32KB kmalloc-cg-8 25KB 40KB kmalloc-cg-192 70KB 96KB kmalloc-cg-96 63KB 92KB kmalloc-8k 7264KB 7584KB kmalloc-4k 57688KB 57728KB kmalloc-2k 13728KB 16160KB kmalloc-1k 9248KB 10336KB kmalloc-512 15035KB 16336KB kmalloc-256 7172KB 7188KB kmalloc-128 5360KB 8100KB kmalloc-64 1812KB 2924KB kmalloc-32 2200KB 2724KB kmalloc-16 478KB 524KB kmalloc-8 437KB 736KB kmalloc-192 4737KB 5716KB kmalloc-96 1352KB 1832KB kmem_cache_node 216KB 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: 5155 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+0x552/0x970 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:4116 [inline] __alloc_pages_slowpath mm/page_alloc.c:4967 [inline] __alloc_frozen_pages_noprof+0x24c2/0x2dc0 mm/page_alloc.c:5317 alloc_pages_mpol+0x1fb/0x540 mm/mempolicy.c:2490 folio_alloc_mpol_noprof+0x36/0x260 mm/mempolicy.c:2509 __swap_cache_alloc mm/swap_state.c:434 [inline] swap_cache_alloc_folio+0x3d7/0xc50 mm/swap_state.c:524 swap_cache_read_folio+0x47/0x140 mm/swap_state.c:646 swap_cluster_readahead+0x479/0x5f0 mm/swap_state.c:842 swapin_readahead+0x159/0x1200 mm/swap_state.c:984 do_swap_page+0xf98/0x5780 mm/memory.c:4836 handle_pte_fault mm/memory.c:6382 [inline] __handle_mm_fault+0x192f/0x2a00 mm/memory.c:6517 handle_mm_fault+0x37b/0xa30 mm/memory.c:6686 do_user_addr_fault+0x74c/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:488 [inline] RIP: 0010:rseq_update_usr include/linux/rseq_entry.h:536 [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 44 16 00 00 bf 01 00 00 00 44 89 fe e8 77 0e c4 ff 41 80 ff 01 0f 86 33 01 00 00 e8 58 14 c4 ff <45> 8b 7d 00 e8 4f 14 c4 ff 48 8d bb 48 16 00 00 48 b8 00 00 00 00 RSP: 0000:ffffc90002d37ea0 EFLAGS: 00050293 RAX: 0000000000000000 RBX: ffff8880295b0000 RCX: ffffffff824597f9 RDX: ffff8880295b0000 RSI: ffffffff82459808 RDI: ffff8880295b0000 RBP: ffffc90002d37ef0 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000002 R11: 0000000000000000 R12: ffffc90002d37f48 R13: 00007fc82ab5d680 R14: 0000000000000002 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+0x460/0xa00 kernel/entry/common.c:165 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595 RIP: 0033:0x7fc82a4a7407 Code: Unable to access opcode bytes at 0x7fc82a4a73dd. RSP: 002b:00007ffd8fdbaa40 EFLAGS: 00010202 RAX: 0000000000000001 RBX: 00007fc82ab5d880 RCX: 00007fc82a4a7407 RDX: 0000000000000008 RSI: 00007ffd8fdbaba0 RDI: 000000000000000b RBP: 000055d76da66b50 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000bb8 R11: 0000000000000202 R12: 0000000000000000 R13: 000055d7344ec100 R14: 0000000000000007 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 44 16 00 movzbl 0x1644(%rbx),%r15d d: 00 e: bf 01 00 00 00 mov $0x1,%edi 13: 44 89 fe mov %r15d,%esi 16: e8 77 0e c4 ff call 0xffc40e92 1b: 41 80 ff 01 cmp $0x1,%r15b 1f: 0f 86 33 01 00 00 jbe 0x158 25: e8 58 14 c4 ff call 0xffc41482 * 2a: 45 8b 7d 00 mov 0x0(%r13),%r15d <-- trapping instruction 2e: e8 4f 14 c4 ff call 0xffc41482 33: 48 8d bb 48 16 00 00 lea 0x1648(%rbx),%rdi 3a: 48 rex.W 3b: b8 00 00 00 00 mov $0x0,%eax