task_struct 3693KB 4851KB cred 121KB 340KB anon_vma_chain 130KB 271KB anon_vma 152KB 430KB pid 137KB 406KB Acpi-Operand 195KB 316KB Acpi-ParseExt 21KB 39KB Acpi-Parse 13KB 23KB Acpi-State 9KB 19KB Acpi-Namespace 31KB 44KB numa_policy 2KB 3KB perf_event 15KB 31KB trace_event_file 540KB 540KB ftrace_event_field 1020KB 1023KB pool_workqueue 1844KB 1872KB task_group 68KB 92KB maple_node 470KB 1376KB mm_struct 177KB 490KB vmap_area 445KB 669KB debug_objects_cache 1793KB 2942KB page->ptl 52KB 114KB kmalloc-cg-8k 1184KB 1216KB kmalloc-cg-4k 11232KB 11744KB kmalloc-cg-2k 7460KB 7648KB kmalloc-cg-1k 2146KB 2368KB kmalloc-cg-512 1024KB 1152KB kmalloc-cg-256 355KB 376KB kmalloc-cg-128 220KB 244KB kmalloc-cg-64 53KB 72KB kmalloc-cg-32 38KB 180KB kmalloc-cg-16 6KB 16KB kmalloc-cg-8 20KB 28KB kmalloc-cg-192 51KB 60KB kmalloc-cg-96 48KB 68KB kmalloc-8k 5328KB 5504KB kmalloc-4k 36944KB 36992KB kmalloc-2k 11404KB 13408KB kmalloc-1k 13202KB 13216KB kmalloc-512 10120KB 10640KB kmalloc-256 4484KB 4488KB kmalloc-128 1438KB 1504KB kmalloc-64 3075KB 3292KB kmalloc-32 1260KB 1316KB kmalloc-16 352KB 384KB kmalloc-8 377KB 404KB kmalloc-192 1163KB 1276KB kmalloc-96 1624KB 1724KB kmem_cache_node 213KB 220KB kmem_cache 176KB 218KB Out of memory and no killable processes... Kernel panic - not syncing: System is deadlocked on memory CPU: 0 UID: 0 PID: 5735 Comm: sshd 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:1182 __alloc_pages_may_oom mm/page_alloc.c:4139 [inline] __alloc_pages_slowpath mm/page_alloc.c:4937 [inline] __alloc_frozen_pages_noprof+0x233d/0x2ba0 mm/page_alloc.c:5263 alloc_pages_mpol+0x1fb/0x550 mm/mempolicy.c:2484 folio_alloc_mpol_noprof+0x36/0x340 mm/mempolicy.c:2503 swap_cache_alloc_folio+0x1a8/0x300 mm/swap_state.c:571 swap_cluster_readahead+0x53b/0x770 mm/swap_state.c:768 swapin_readahead+0x160/0x12c0 mm/swap_state.c:924 do_swap_page+0xb2e/0x6900 mm/memory.c:4802 handle_pte_fault mm/memory.c:6320 [inline] __handle_mm_fault+0x18c1/0x2b60 mm/memory.c:6455 handle_mm_fault+0x36d/0xa20 mm/memory.c:6624 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:do_sys_poll+0xbfd/0xeb0 fs/select.c:1015 Code: 12 e8 77 54 7a ff 48 89 d8 48 c1 e8 03 42 0f b6 14 28 48 89 d8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 4e 02 00 00 0f b7 03 <66> 41 89 47 06 41 83 ee 01 49 83 c7 08 48 83 c3 08 e8 3d 54 7a ff RSP: 0000:ffffc900039cf8d0 EFLAGS: 00050246 RAX: 0000000000000000 RBX: ffffc900039cf9b2 RCX: ffffffff828dc3da RDX: 0000000000000000 RSI: ffffffff828dc3e9 RDI: ffff88802954c980 RBP: ffffc900039cfe18 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000000 R12: ffffc900039cf9a0 R13: dffffc0000000000 R14: 0000000000000002 R15: 000055b0403ea1b0 __do_sys_ppoll fs/select.c:1106 [inline] __se_sys_ppoll fs/select.c:1086 [inline] __x64_sys_ppoll+0x2b5/0x350 fs/select.c:1086 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f45806a7407 Code: Unable to access opcode bytes at 0x7f45806a73dd. RSP: 002b:00007ffe1b7dad60 EFLAGS: 00000202 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 00007f4580d95300 RCX: 00007f45806a7407 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000055b0403ea1b0 RBP: 0000000000000002 R08: 0000000000000008 R09: 0000000000000000 R10: 00007ffe1b7db030 R11: 0000000000000202 R12: 0000000000000064 R13: 0000000000000000 R14: 000055b0331ee004 R15: 0000000000000002 Kernel Offset: disabled Rebooting in 86400 seconds.. ---------------- Code disassembly (best guess): 0: 12 e8 adc %al,%ch 2: 77 54 ja 0x58 4: 7a ff jp 0x5 6: 48 89 d8 mov %rbx,%rax 9: 48 c1 e8 03 shr $0x3,%rax d: 42 0f b6 14 28 movzbl (%rax,%r13,1),%edx 12: 48 89 d8 mov %rbx,%rax 15: 83 e0 07 and $0x7,%eax 18: 83 c0 01 add $0x1,%eax 1b: 38 d0 cmp %dl,%al 1d: 7c 08 jl 0x27 1f: 84 d2 test %dl,%dl 21: 0f 85 4e 02 00 00 jne 0x275 27: 0f b7 03 movzwl (%rbx),%eax * 2a: 66 41 89 47 06 mov %ax,0x6(%r15) <-- trapping instruction 2f: 41 83 ee 01 sub $0x1,%r14d 33: 49 83 c7 08 add $0x8,%r15 37: 48 83 c3 08 add $0x8,%rbx 3b: e8 3d 54 7a ff call 0xff7a547d