cred 152KB 336KB anon_vma_chain 141KB 189KB anon_vma 172KB 262KB pid 189KB 425KB Acpi-Operand 269KB 392KB Acpi-ParseExt 55KB 70KB Acpi-Parse 39KB 67KB Acpi-State 70KB 110KB Acpi-Namespace 56KB 56KB shared_policy_node 12KB 12KB numa_policy 15KB 15KB perf_event 30KB 30KB trace_event_file 544KB 544KB ftrace_event_field 1000KB 1000KB pool_workqueue 1798KB 1920KB maple_node 469KB 1152KB task_group 46KB 46KB mm_struct 367KB 570KB vmap_area 329KB 1152KB debug_objects_cache 2255KB 3636KB page->ptl 59KB 90KB kmalloc-cg-8k 1952KB 2240KB kmalloc-cg-4k 9904KB 13408KB kmalloc-cg-2k 7600KB 10336KB kmalloc-cg-1k 1782KB 2976KB kmalloc-cg-512 947KB 1664KB kmalloc-cg-256 468KB 552KB kmalloc-cg-128 210KB 288KB kmalloc-cg-64 92KB 136KB kmalloc-cg-32 67KB 168KB kmalloc-cg-16 16KB 28KB kmalloc-cg-8 35KB 60KB kmalloc-cg-192 55KB 72KB kmalloc-cg-96 84KB 84KB kmalloc-8k 4272KB 4704KB kmalloc-4k 44240KB 44320KB kmalloc-2k 12108KB 14368KB kmalloc-1k 8844KB 9664KB kmalloc-512 7617KB 10000KB kmalloc-256 5663KB 5672KB kmalloc-128 948KB 1352KB kmalloc-64 9323KB 10272KB kmalloc-32 1336KB 3452KB kmalloc-16 529KB 616KB kmalloc-8 383KB 556KB kmalloc-192 1435KB 2012KB kmalloc-96 1483KB 1688KB kmem_cache_node 219KB 220KB kmem_cache 195KB 195KB Out of memory and no killable processes... Kernel panic - not syncing: System is deadlocked on memory CPU: 1 UID: 0 PID: 1 Comm: init Not tainted 6.15.0-rc7-syzkaller-00082-g5cdb2c77c4c3 #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x3d/0x1f0 lib/dump_stack.c:120 panic+0x71c/0x800 kernel/panic.c:354 out_of_memory+0x16e4/0x1700 mm/oom_kill.c:1175 __alloc_pages_may_oom mm/page_alloc.c:3851 [inline] __alloc_pages_slowpath mm/page_alloc.c:4653 [inline] __alloc_frozen_pages_noprof+0x1c74/0x23a0 mm/page_alloc.c:4979 alloc_pages_mpol+0x1fb/0x550 mm/mempolicy.c:2301 folio_alloc_mpol_noprof+0x36/0x2f0 mm/mempolicy.c:2320 __read_swap_cache_async+0x3b6/0x5a0 mm/swap_state.c:403 swap_cluster_readahead+0x4e1/0x710 mm/swap_state.c:635 swapin_readahead+0x13a/0xd60 mm/swap_state.c:814 do_swap_page+0x67e/0x6030 mm/memory.c:4532 handle_pte_fault mm/memory.c:6000 [inline] __handle_mm_fault+0x1056/0x2a40 mm/memory.c:6140 handle_mm_fault+0x3fe/0xad0 mm/memory.c:6309 do_user_addr_fault+0x7a6/0x1370 arch/x86/mm/fault.c:1388 handle_page_fault arch/x86/mm/fault.c:1480 [inline] exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1538 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0010:__get_user_8+0x14/0x30 arch/x86/lib/getuser.S:103 Code: ca c3 cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 ba 00 f0 ff ff ff 7f 00 00 48 39 d0 48 0f 47 c2 0f 01 cb <48> 8b 10 31 c0 0f 01 ca c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 RSP: 0018:ffffc90000137df8 EFLAGS: 00050287 RAX: 00007f2335c70ae8 RBX: 00007f2335c70ae8 RCX: ffffc90000137d9c RDX: 00007ffffffff000 RSI: ffffffff81efe427 RDI: ffffffff8bf48c60 RBP: ffffc90000137ef8 R08: f9f0d9a003d2eb8b R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88801d288000 R13: ffffc90000137f58 R14: ffff88801d288000 R15: ffffc90000137e60 rseq_get_rseq_cs_ptr_val kernel/rseq.c:248 [inline] rseq_get_rseq_cs kernel/rseq.c:270 [inline] rseq_ip_fixup kernel/rseq.c:390 [inline] __rseq_handle_notify_resume+0x183/0x10c0 kernel/rseq.c:438 rseq_handle_notify_resume include/linux/rseq.h:38 [inline] resume_user_mode_work include/linux/resume_user_mode.h:62 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x1a3/0x2a0 kernel/entry/common.c:218 do_syscall_64+0xda/0x230 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2335dc0407 Code: Unable to access opcode bytes at 0x7f2335dc03dd. RSP: 002b:00007ffe1d7e21e0 EFLAGS: 00000202 ORIG_RAX: 0000000000000080 RAX: 0000000000000011 RBX: 00007f2335c70c80 RCX: 00007f2335dc0407 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007f2335fda498 RBP: 00007f2335fda490 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000008 R11: 0000000000000202 R12: 00007f2335fda490 R13: 00007ffe1d7e225c R14: 00007f233601a000 R15: 0000563b41771d98 Kernel Offset: disabled Rebooting in 86400 seconds.. ---------------- Code disassembly (best guess): 0: ca c3 cc lret $0xccc3 3: cc int3 4: cc int3 5: cc int3 6: 90 nop 7: 90 nop 8: 90 nop 9: 90 nop a: 90 nop b: 90 nop c: 90 nop d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 48 ba 00 f0 ff ff ff movabs $0x7ffffffff000,%rdx 1d: 7f 00 00 20: 48 39 d0 cmp %rdx,%rax 23: 48 0f 47 c2 cmova %rdx,%rax 27: 0f 01 cb stac * 2a: 48 8b 10 mov (%rax),%rdx <-- trapping instruction 2d: 31 c0 xor %eax,%eax 2f: 0f 01 ca clac 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax)