cred 118KB 336KB anon_vma_chain 82KB 212KB anon_vma 104KB 367KB pid 131KB 398KB Acpi-Operand 195KB 320KB Acpi-ParseExt 21KB 43KB Acpi-Parse 12KB 23KB Acpi-State 9KB 27KB Acpi-Namespace 39KB 56KB shared_policy_node 3KB 4KB numa_policy 3KB 4KB perf_event 15KB 31KB trace_event_file 540KB 540KB ftrace_event_field 1031KB 1031KB pool_workqueue 1997KB 2016KB task_group 73KB 94KB maple_node 438KB 1384KB mm_struct 196KB 490KB vmap_area 260KB 831KB debug_objects_cache 1817KB 2946KB page->ptl 24KB 102KB kmalloc-cg-8k 1264KB 1408KB kmalloc-cg-4k 10320KB 10976KB kmalloc-cg-2k 6472KB 6880KB kmalloc-cg-1k 1876KB 2144KB kmalloc-cg-512 910KB 1040KB kmalloc-cg-256 266KB 296KB kmalloc-cg-128 191KB 200KB kmalloc-cg-64 35KB 60KB kmalloc-cg-32 36KB 180KB kmalloc-cg-16 5KB 16KB kmalloc-cg-8 14KB 32KB kmalloc-cg-192 53KB 64KB kmalloc-cg-96 46KB 64KB kmalloc-8k 5072KB 5376KB kmalloc-4k 40376KB 40448KB kmalloc-2k 11548KB 13728KB kmalloc-1k 10404KB 10448KB kmalloc-512 10032KB 10772KB kmalloc-256 4757KB 4760KB kmalloc-128 1477KB 1612KB kmalloc-64 2808KB 3024KB kmalloc-32 1241KB 1548KB kmalloc-16 365KB 388KB kmalloc-8 359KB 408KB kmalloc-192 1099KB 1172KB kmalloc-96 1526KB 1628KB 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: 0 UID: 0 PID: 5144 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) 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:4116 [inline] __alloc_pages_slowpath mm/page_alloc.c:4914 [inline] __alloc_frozen_pages_noprof+0x232d/0x2bc0 mm/page_alloc.c:5239 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:epoll_put_uevent include/linux/eventpoll.h:90 [inline] RIP: 0010:ep_send_events+0x3ba/0xbf0 fs/eventpoll.c:1824 Code: 84 c1 0f 85 63 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 ce 8c 66 ff 48 8b 44 24 18 48 8b 54 24 28 48 89 50 04 RSP: 0018:ffffc9000302fbb8 EFLAGS: 00050287 RAX: 00007ffd89beb890 RBX: ffff88804c439a80 RCX: 00007ffffffff000 RDX: 0000000000000004 RSI: 0000000000000001 RDI: ffff88804c439aec RBP: dffffc0000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff88804c439a98 R13: ffff88804c439a98 R14: 0000000000000001 R15: ffffc9000302fc20 ep_try_send_events fs/eventpoll.c:1907 [inline] ep_poll fs/eventpoll.c:1972 [inline] do_epoll_wait+0x4a4/0x1020 fs/eventpoll.c:2464 __do_sys_epoll_wait fs/eventpoll.c:2472 [inline] __se_sys_epoll_wait fs/eventpoll.c:2467 [inline] __x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2467 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x10b/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f27f98a7407 Code: Unable to access opcode bytes at 0x7f27f98a73dd. RSP: 002b:00007ffd89beb730 EFLAGS: 00000202 ORIG_RAX: 00000000000000e8 RAX: ffffffffffffffda RBX: 00007f27f9f59880 RCX: 00007f27f98a7407 RDX: 0000000000000008 RSI: 00007ffd89beb890 RDI: 000000000000000b RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000bb8 R11: 0000000000000202 R12: 0000000000000000 R13: 0000557a67e7d100 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds.. ---------------- Code disassembly (best guess): 0: 84 c1 test %al,%cl 2: 0f 85 63 07 00 00 jne 0x76b 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 ce 8c 66 ff call 0xff668d00 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)