cred 164KB 304KB anon_vma_chain 122KB 216KB anon_vma 153KB 278KB pid 235KB 441KB Acpi-Operand 240KB 348KB Acpi-ParseExt 63KB 90KB Acpi-Parse 67KB 106KB Acpi-State 66KB 102KB Acpi-Namespace 52KB 52KB shared_policy_node 16KB 16KB numa_policy 15KB 15KB perf_event 62KB 62KB trace_event_file 544KB 544KB ftrace_event_field 1008KB 1008KB pool_workqueue 1824KB 1872KB maple_node 459KB 1200KB task_group 46KB 46KB mm_struct 322KB 510KB vmap_area 307KB 1116KB debug_objects_cache 1884KB 2319KB page->ptl 59KB 86KB kmalloc-cg-8k 1856KB 2016KB kmalloc-cg-4k 10736KB 12800KB kmalloc-cg-2k 7708KB 9728KB kmalloc-cg-1k 1706KB 2368KB kmalloc-cg-512 1030KB 1536KB kmalloc-cg-256 460KB 520KB kmalloc-cg-128 216KB 256KB kmalloc-cg-64 114KB 144KB kmalloc-cg-32 83KB 168KB kmalloc-cg-16 17KB 28KB kmalloc-cg-8 32KB 32KB kmalloc-cg-192 68KB 68KB kmalloc-cg-96 96KB 96KB kmalloc-8k 4768KB 5504KB kmalloc-4k 26408KB 26464KB kmalloc-2k 10768KB 12128KB kmalloc-1k 7244KB 9088KB kmalloc-512 7776KB 9312KB kmalloc-256 10382KB 10384KB kmalloc-128 923KB 1124KB kmalloc-64 2838KB 3296KB kmalloc-32 1527KB 2168KB kmalloc-16 513KB 564KB kmalloc-8 378KB 480KB kmalloc-192 1436KB 1676KB kmalloc-96 1429KB 1840KB kmem_cache_node 219KB 220KB kmem_cache 187KB 187KB Out of memory and no killable processes... Kernel panic - not syncing: System is deadlocked on memory CPU: 1 UID: 0 PID: 5366 Comm: udevd Not tainted 6.16.0-rc7-syzkaller-00142-gb711733e89a3 #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:382 out_of_memory+0x16e4/0x1700 mm/oom_kill.c:1175 __alloc_pages_may_oom mm/page_alloc.c:3836 [inline] __alloc_pages_slowpath mm/page_alloc.c:4646 [inline] __alloc_frozen_pages_noprof+0x1d53/0x23f0 mm/page_alloc.c:4972 alloc_pages_mpol+0x1fb/0x550 mm/mempolicy.c:2419 folio_alloc_mpol_noprof+0x36/0x2f0 mm/mempolicy.c:2438 __read_swap_cache_async+0x3b6/0x5a0 mm/swap_state.c:400 swap_cluster_readahead+0x4e1/0x710 mm/swap_state.c:632 swapin_readahead+0x13a/0xd60 mm/swap_state.c:811 do_swap_page+0x635/0x65c0 mm/memory.c:4603 handle_pte_fault mm/memory.c:6072 [inline] __handle_mm_fault+0x162f/0x5490 mm/memory.c:6212 handle_mm_fault+0x589/0xd10 mm/memory.c:6381 do_user_addr_fault+0x7a6/0x1370 arch/x86/mm/fault.c:1387 handle_page_fault arch/x86/mm/fault.c:1476 [inline] exc_page_fault+0x5c/0xb0 arch/x86/mm/fault.c:1532 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 e9 00 0a 04 00 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 e9 cf 09 04 00 66 66 2e 0f 1f 84 00 00 00 RSP: 0000:ffffc900073afe38 EFLAGS: 00050283 RAX: 00007ff194a346a8 RBX: 00007ff194a346a8 RCX: ffffc900073afddc RDX: 00007ffffffff000 RSI: ffffffff81ef6dc7 RDI: ffffffff8c155ee0 RBP: ffffc900073aff28 R08: 24349432358cc39f R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888026170000 R13: ffffc900073aff58 R14: ffff888026170000 R15: ffffc900073afea0 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+0x183/0x10e0 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:330 [inline] irqentry_exit_to_user_mode+0x179/0x270 kernel/entry/common.c:184 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0033:0x7ff194320edd Code: Unable to access opcode bytes at 0x7ff194320eb3. RSP: 002b:00007ffeee690840 EFLAGS: 00010202 RAX: 0000000000000000 RBX: 0000000000000bb8 RCX: 00007ffeee690930 RDX: 0000000000000000 RSI: 00007ffeee690970 RDI: 000000000000000b RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000bb8 R11: 0000000000000202 R12: 0000000000000000 R13: 0000558171d4f100 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds.. ---------------- Code disassembly (best guess): 0: ca e9 00 lret $0xe9 3: 0a 04 00 or (%rax,%rax,1),%al 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: e9 cf 09 04 00 jmp 0x40a06 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax)