cred 197KB 308KB anon_vma_chain 299KB 366KB anon_vma 260KB 487KB pid 227KB 289KB Acpi-Operand 192KB 328KB Acpi-ParseExt 10KB 23KB Acpi-Parse 11KB 23KB Acpi-State 5KB 15KB Acpi-Namespace 31KB 40KB shared_policy_node 3KB 12KB numa_policy 6KB 16KB perf_event 15KB 31KB trace_event_file 577KB 588KB ftrace_event_field 1124KB 1126KB pool_workqueue 6737KB 8224KB task_group 30KB 64KB maple_node 544KB 1536KB mm_struct 255KB 478KB vmap_area 683KB 1378KB debug_objects_cache 4153KB 16811KB page->ptl 73KB 141KB kmalloc-cg-8k 6384KB 6672KB kmalloc-cg-4k 19784KB 20864KB kmalloc-cg-2k 13692KB 14240KB kmalloc-cg-1k 3486KB 4480KB kmalloc-cg-512 1494KB 1904KB kmalloc-cg-256 587KB 672KB kmalloc-cg-128 312KB 372KB kmalloc-cg-64 72KB 128KB kmalloc-cg-32 62KB 156KB kmalloc-cg-16 9KB 32KB kmalloc-cg-8 27KB 56KB kmalloc-cg-192 64KB 76KB kmalloc-cg-96 61KB 80KB kmalloc-8k 13328KB 13472KB kmalloc-4k 27040KB 30152KB kmalloc-2k 11972KB 13376KB kmalloc-1k 10584KB 11648KB kmalloc-512 13885KB 15060KB kmalloc-256 7333KB 7636KB kmalloc-128 1987KB 2292KB kmalloc-64 3569KB 4916KB kmalloc-32 2424KB 2888KB kmalloc-16 550KB 2732KB kmalloc-8 1116KB 1164KB kmalloc-192 1933KB 2264KB kmalloc-96 1839KB 2204KB kmem_cache_node 216KB 220KB kmem_cache 180KB 234KB Out of memory and no killable processes... Kernel panic - not syncing: System is deadlocked on memory CPU: 1 UID: 0 PID: 5147 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+0x2852/0x3300 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_cluster_readahead+0x369/0x5d0 mm/swap_state.c:849 swapin_readahead+0xf0/0x260 mm/swap_state.c:997 do_swap_page+0xf72/0x5580 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:epoll_put_uevent include/linux/eventpoll.h:98 [inline] RIP: 0010:ep_deliver_event fs/eventpoll.c:2099 [inline] RIP: 0010:ep_send_events+0x3ba/0xc10 fs/eventpoll.c:2159 Code: 84 c1 0f 85 7b 07 00 00 48 8b 53 6c 48 8b 44 24 30 48 8b 4c 24 38 48 89 54 24 28 48 39 c8 48 0f 47 c1 0f 01 cb 48 89 44 24 18 <44> 89 30 e8 fe 81 5e ff 48 8b 44 24 18 48 8b 54 24 28 48 89 50 04 RSP: 0018:ffffc900035afb98 EFLAGS: 00050283 RAX: 00007ffc4d69f580 RBX: ffff88804d39ca80 RCX: 00007ffffffff000 RDX: 0000000000000004 RSI: 0000000000000001 RDI: ffff88804d39caec RBP: dffffc0000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff88804d39ca98 R13: ffff88804d39ca98 R14: 0000000000000001 R15: ffffc900035afc00 ep_try_send_events fs/eventpoll.c:2224 [inline] ep_poll fs/eventpoll.c:2289 [inline] do_epoll_wait+0x6c5/0x1730 fs/eventpoll.c:2829 __do_sys_epoll_wait fs/eventpoll.c:2837 [inline] __se_sys_epoll_wait fs/eventpoll.c:2832 [inline] __x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2832 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x121/0x770 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb8576a7407 Code: Unable to access opcode bytes at 0x7fb8576a73dd. RSP: 002b:00007ffc4d69f420 EFLAGS: 00000202 ORIG_RAX: 00000000000000e8 RAX: ffffffffffffffda RBX: 00007fb857e21880 RCX: 00007fb8576a7407 RDX: 0000000000000008 RSI: 00007ffc4d69f580 RDI: 000000000000000b RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000bb8 R11: 0000000000000202 R12: 0000000000000000 R13: 000055aa38172100 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds.. ---------------- Code disassembly (best guess): 0: 84 c1 test %al,%cl 2: 0f 85 7b 07 00 00 jne 0x783 8: 48 8b 53 6c mov 0x6c(%rbx),%rdx c: 48 8b 44 24 30 mov 0x30(%rsp),%rax 11: 48 8b 4c 24 38 mov 0x38(%rsp),%rcx 16: 48 89 54 24 28 mov %rdx,0x28(%rsp) 1b: 48 39 c8 cmp %rcx,%rax 1e: 48 0f 47 c1 cmova %rcx,%rax 22: 0f 01 cb stac 25: 48 89 44 24 18 mov %rax,0x18(%rsp) * 2a: 44 89 30 mov %r14d,(%rax) <-- trapping instruction 2d: e8 fe 81 5e ff call 0xff5e8230 32: 48 8b 44 24 18 mov 0x18(%rsp),%rax 37: 48 8b 54 24 28 mov 0x28(%rsp),%rdx 3c: 48 89 50 04 mov %rdx,0x4(%rax)