syzbot

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WARNING: mm/list_lru.c:100 at lock_list_lru_of_memcg+0x30c/0x4c0 mm/list_lru.c:100, CPU#0: syz.6.6843/31891
Modules linked in:
CPU: 0 UID: 0 PID: 31891 Comm: syz.6.6843 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:lock_list_lru_of_memcg+0x30c/0x4c0 mm/list_lru.c:100
Code: 42 80 3c 30 00 74 0b 48 89 fb e8 af 21 1d 00 48 89 df 48 8b 3f 48 8b 54 24 10 48 8b 74 24 28 e9 0a fe ff ff e8 75 95 b7 ff 90 <0f> 0b 90 eb be 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 1e fe ff ff 48
RSP: 0018:ffffc900033c6360 EFLAGS: 00010046
RAX: ffffffff820985eb RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc9001af58000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: 0000000000000001 R08: ffff88802e811e80 R09: 0000000000000002
R10: 0000000000000406 R11: 0000000000000002 R12: ffffffff9986aba0
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
FS:  00007f79a8e766c0(0000) GS:ffff8881260c0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3829ae5000 CR3: 00000000340b8000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 list_lru_add+0x58/0x270 mm/list_lru.c:167
 list_lru_add_obj+0x191/0x270 mm/list_lru.c:190
 workingset_update_node+0x1d5/0x260 mm/workingset.c:629
 xas_update lib/xarray.c:357 [inline]
 update_node lib/xarray.c:765 [inline]
 xas_store+0xac4/0x1880 lib/xarray.c:852
 page_cache_delete mm/filemap.c:141 [inline]
 __filemap_remove_folio+0x3c7/0x500 mm/filemap.c:227
 __remove_mapping+0xb06/0xe40 mm/vmscan.c:811
 shrink_folio_list+0x2896/0x4c50 mm/vmscan.c:1553
 evict_folios+0x471e/0x57c0 mm/vmscan.c:4745
 try_to_shrink_lruvec+0x8a3/0xb50 mm/vmscan.c:4908
 lru_gen_shrink_lruvec mm/vmscan.c:5057 [inline]
 shrink_lruvec+0x49c/0x2980 mm/vmscan.c:5818
 shrink_node_memcgs mm/vmscan.c:6054 [inline]
 shrink_node+0xa50/0x3780 mm/vmscan.c:6095
 shrink_zones mm/vmscan.c:6339 [inline]
 do_try_to_free_pages+0x668/0x1960 mm/vmscan.c:6401
 try_to_free_mem_cgroup_pages+0x2ea/0x7a0 mm/vmscan.c:6729
 try_charge_memcg+0xa2d/0x1280 mm/memcontrol.c:2356
 obj_cgroup_charge_pages mm/memcontrol.c:2799 [inline]
 __memcg_kmem_charge_page+0xe1/0x240 mm/memcontrol.c:2843
 __alloc_frozen_pages_noprof+0x1b5/0x370 mm/page_alloc.c:5195
 __alloc_pages_noprof+0xa/0x30 mm/page_alloc.c:5212
 __alloc_pages_node_noprof include/linux/gfp.h:285 [inline]
 alloc_pages_node_noprof include/linux/gfp.h:312 [inline]
 bpf_ringbuf_area_alloc kernel/bpf/ringbuf.c:125 [inline]
 bpf_ringbuf_alloc+0x254/0x590 kernel/bpf/ringbuf.c:173
 ringbuf_map_alloc+0x1c8/0x2f0 kernel/bpf/ringbuf.c:208
 map_create+0xaa6/0x1640 kernel/bpf/syscall.c:1512
 __sys_bpf+0x5f0/0x860 kernel/bpf/syscall.c:6131
 __do_sys_bpf kernel/bpf/syscall.c:6259 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:6257 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:6257
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f79a7f8f749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f79a8e76038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f79a81e6090 RCX: 00007f79a7f8f749
RDX: 0000000000000050 RSI: 0000200000000100 RDI: 0000000000000000
RBP: 00007f79a8013f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f79a81e6128 R14: 00007f79a81e6090 R15: 00007f79a830fa28
 </TASK>