==================================================================
BUG: KASAN: use-after-free in cleancache_fs_enabled_mapping include/linux/cleancache.h:56 [inline]
BUG: KASAN: use-after-free in cleancache_invalidate_page include/linux/cleancache.h:110 [inline]
BUG: KASAN: use-after-free in unaccount_page_cache_page+0x6d8/0x750 mm/filemap.c:163
Read of size 4 at addr ffff88811db92470 by task syz-executor.2/25491

CPU: 1 PID: 25491 Comm: syz-executor.2 Not tainted 5.15.145-syzkaller-00162-gea2937bdd12f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106
 print_address_description+0x87/0x3b0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:427 [inline]
 kasan_report+0x179/0x1c0 mm/kasan/report.c:444
 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:308
 cleancache_fs_enabled_mapping include/linux/cleancache.h:56 [inline]
 cleancache_invalidate_page include/linux/cleancache.h:110 [inline]
 unaccount_page_cache_page+0x6d8/0x750 mm/filemap.c:163
 __delete_from_page_cache+0xc6/0x5b0 mm/filemap.c:231
 __remove_mapping+0x566/0x690 mm/vmscan.c:1200
 shrink_page_list+0x2723/0x5c50 mm/vmscan.c:1797
 shrink_inactive_list mm/vmscan.c:2304 [inline]
 shrink_list mm/vmscan.c:2549 [inline]
 shrink_lruvec+0x17ec/0x4580 mm/vmscan.c:5752
 shrink_node_memcgs mm/vmscan.c:5944 [inline]
 shrink_node+0x1077/0x24e0 mm/vmscan.c:5974
 shrink_zones mm/vmscan.c:6177 [inline]
 do_try_to_free_pages+0x5b6/0x1570 mm/vmscan.c:6235
 try_to_free_mem_cgroup_pages+0x36c/0x850 mm/vmscan.c:6549
 try_charge_memcg+0x48f/0x1550 mm/memcontrol.c:2686
 try_charge mm/memcontrol.c:2811 [inline]
 charge_memcg+0x6b/0x1a0 mm/memcontrol.c:6814
 __mem_cgroup_charge+0x37/0x130 mm/memcontrol.c:6850
 mem_cgroup_charge include/linux/memcontrol.h:715 [inline]
 __add_to_page_cache_locked+0x2d1/0xa20 mm/filemap.c:892
 add_to_page_cache_lru+0x11b/0x2c0 mm/filemap.c:984
 pagecache_get_page+0xbe1/0xeb0 mm/filemap.c:1951
 grab_cache_page_write_begin+0x5d/0xa0 mm/filemap.c:3788
 ext4_da_write_begin+0x5ae/0xc30 fs/ext4/inode.c:3003
 generic_perform_write+0x2bc/0x5a0 mm/filemap.c:3834
 ext4_buffered_write_iter+0x48a/0x610 fs/ext4/file.c:270
 ext4_file_write_iter+0x443/0x1c80
 __kernel_write+0x5ab/0xa60 fs/read_write.c:539
 __dump_emit+0x261/0x3a0 fs/coredump.c:875
 dump_emit+0x381/0x3f0 fs/coredump.c:912
 dump_user_range+0x86/0x1c0 fs/coredump.c:949
 elf_core_dump+0x3663/0x3e80 fs/binfmt_elf.c:2285
 do_coredump+0x1834/0x3050 fs/coredump.c:826
 get_signal+0x4c8/0x1630 kernel/signal.c:2882
 arch_do_signal_or_restart+0xbd/0x1680 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:148 [inline]
 exit_to_user_mode_loop+0xa0/0xe0 kernel/entry/common.c:172
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:208
 irqentry_exit_to_user_mode+0x9/0x20 kernel/entry/common.c:314
 irqentry_exit+0x12/0x40 kernel/entry/common.c:405
 exc_page_fault+0x47a/0x830 arch/x86/mm/fault.c:1608
 asm_exc_page_fault+0x27/0x30 arch/x86/include/asm/idtentry.h:568
RIP: 0033:0x0
Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.
RSP: 002b:00000000200002c8 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f2c81ced050 RCX: 00007f2c81bbdda9
RDX: 0000000020000580 RSI: 00000000200002c0 RDI: 0000000000021000
RBP: 00007f2c81c0a47a R08: 0000000020001200 R09: 0000000020001200
R10: 00000000200005c0 R11: 0000000000000206 R12: 0000000000000000
R13: 000000000000000b R14: 00007f2c81ced050 R15: 00007ffdb98a6fd8
 </TASK>

The buggy address belongs to the page:
page:ffffea000476e480 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11db92
flags: 0x4000000000000000(zone=1)
raw: 4000000000000000 dead000000000100 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x506dc0(GFP_USER|__GFP_NOWARN|__GFP_RETRY_MAYFAIL|__GFP_ZERO|__GFP_ACCOUNT), pid 575, ts 2544305106488, free_ts 2546936798822
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x1a3/0x1b0 mm/page_alloc.c:2604
 prep_new_page+0x1b/0x110 mm/page_alloc.c:2610
 get_page_from_freelist+0x3550/0x35d0 mm/page_alloc.c:4484
 __alloc_pages+0x27e/0x8f0 mm/page_alloc.c:5776
 __alloc_pages_node include/linux/gfp.h:591 [inline]
 alloc_pages_node include/linux/gfp.h:605 [inline]
 bpf_ringbuf_area_alloc kernel/bpf/ringbuf.c:96 [inline]
 bpf_ringbuf_alloc+0xd0/0x3d0 kernel/bpf/ringbuf.c:133
 ringbuf_map_alloc+0x202/0x320 kernel/bpf/ringbuf.c:172
 find_and_alloc_map kernel/bpf/syscall.c:129 [inline]
 map_create+0x411/0x2050 kernel/bpf/syscall.c:857
 __sys_bpf+0x296/0x760 kernel/bpf/syscall.c:4600
 __do_sys_bpf kernel/bpf/syscall.c:4722 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:4720 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:4720
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1471 [inline]
 free_pcp_prepare mm/page_alloc.c:1543 [inline]
 free_unref_page_prepare+0x7c8/0x7d0 mm/page_alloc.c:3533
 free_unref_page+0xe8/0x750 mm/page_alloc.c:3615
 free_the_page mm/page_alloc.c:804 [inline]
 __free_pages+0x61/0xf0 mm/page_alloc.c:5852
 bpf_ringbuf_free kernel/bpf/ringbuf.c:191 [inline]
 ringbuf_map_free+0xbe/0x120 kernel/bpf/ringbuf.c:200
 map_create+0x1a3a/0x2050 kernel/bpf/syscall.c:935
 __sys_bpf+0x296/0x760 kernel/bpf/syscall.c:4600
 __do_sys_bpf kernel/bpf/syscall.c:4722 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:4720 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:4720
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb

Memory state around the buggy address:
 ffff88811db92300: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88811db92380: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>ffff88811db92400: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                                                             ^
 ffff88811db92480: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88811db92500: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
syz-executor.2 (25491) used greatest stack depth: 17120 bytes left