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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+0x99f/0xa80 mm/filemap.c:175
Read of size 4 at addr ffff888170974470 by task syz-executor.3/20110

CPU: 1 PID: 20110 Comm: syz-executor.3 Not tainted 5.10.194-syzkaller-00508-ga27512601c2d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack_lvl+0x1e2/0x24b lib/dump_stack.c:118
 print_address_description+0x81/0x3b0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:435 [inline]
 kasan_report+0x179/0x1c0 mm/kasan/report.c:452
 __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+0x99f/0xa80 mm/filemap.c:175
 __delete_from_page_cache+0xd0/0x5d0 mm/filemap.c:243
 __remove_mapping+0x567/0x690 mm/vmscan.c:978
 shrink_page_list+0x1f38/0x4c60 mm/vmscan.c:1491
 shrink_inactive_list+0x591/0x1150 mm/vmscan.c:2048
 shrink_list mm/vmscan.c:2267 [inline]
 shrink_lruvec+0xced/0x3860 mm/vmscan.c:5434
 shrink_node_memcgs mm/vmscan.c:5621 [inline]
 shrink_node+0xdf3/0x1fb0 mm/vmscan.c:5651
 shrink_zones mm/vmscan.c:5854 [inline]
 do_try_to_free_pages+0x67e/0x15e0 mm/vmscan.c:5912
 try_to_free_mem_cgroup_pages+0x369/0x830 mm/vmscan.c:6230
 try_charge+0x4b8/0x15f0 mm/memcontrol.c:2742
 __mem_cgroup_charge+0x147/0x6e0 mm/memcontrol.c:6847
 mem_cgroup_charge include/linux/memcontrol.h:458 [inline]
 __add_to_page_cache_locked+0x29d/0xba0 mm/filemap.c:854
 add_to_page_cache_lru+0x117/0x2c0 mm/filemap.c:948
 pagecache_get_page+0x71e/0x950 mm/filemap.c:1859
 grab_cache_page_write_begin+0x5d/0xa0 mm/filemap.c:3456
 ext4_da_write_begin+0x587/0xf60 fs/ext4/inode.c:3055
 generic_perform_write+0x2cd/0x570 mm/filemap.c:3506
 ext4_buffered_write_iter+0x482/0x610 fs/ext4/file.c:271
 ext4_file_write_iter+0x193/0x1c80 fs/ext4/file.c:685
 __kernel_write+0x5ab/0x9d0 fs/read_write.c:550
 dump_emit+0x261/0x3a0 fs/coredump.c:849
 dump_user_range+0x71/0x1a0 fs/coredump.c:902
 elf_core_dump+0x33bd/0x3c10 fs/binfmt_elf.c:2287
 do_coredump+0x1eb8/0x2d60 fs/coredump.c:811
 get_signal+0x102c/0x1410 kernel/signal.c:2768
 arch_do_signal_or_restart+0xbd/0x17c0 arch/x86/kernel/signal.c:805
 handle_signal_work kernel/entry/common.c:145 [inline]
 exit_to_user_mode_loop+0x9b/0xd0 kernel/entry/common.c:169
 exit_to_user_mode_prepare kernel/entry/common.c:199 [inline]
 irqentry_exit_to_user_mode+0x5a/0x80 kernel/entry/common.c:287
 irqentry_exit+0x12/0x60 kernel/entry/common.c:375
 exc_general_protection+0x415/0x490 arch/x86/kernel/traps.c:557
 asm_exc_general_protection+0x1e/0x30 arch/x86/include/asm/idtentry.h:565
RIP: 0033:0x7ff6fbb44af1
Code: c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f
RSP: 002b:00000000200001e0 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007ff6fbc641f0 RCX: 00007ff6fbb44ae9
RDX: 0000000020000280 RSI: 00000000200001e0 RDI: 0000000000020000
RBP: 00007ff6fbb9047a R08: 0000000020000300 R09: 0000000020000300
R10: 00000000200002c0 R11: 0000000000000206 R12: 0000000000000000
R13: 000000000000000b R14: 00007ff6fbc641f0 R15: 00007ffda53d4bf8

The buggy address belongs to the page:
page:ffffea0005c25d00 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x170974
flags: 0x4000000000000000()
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 0x100cc0(GFP_USER), pid 16027, ts 619842738349, free_ts 620290827450
 set_page_owner include/linux/page_owner.h:35 [inline]
 post_alloc_hook mm/page_alloc.c:2456 [inline]
 prep_new_page+0x166/0x180 mm/page_alloc.c:2462
 get_page_from_freelist+0x2d8c/0x2f30 mm/page_alloc.c:4254
 __alloc_pages_nodemask+0x435/0xaf0 mm/page_alloc.c:5346
 __alloc_pages include/linux/gfp.h:544 [inline]
 __alloc_pages_node include/linux/gfp.h:557 [inline]
 alloc_pages_node include/linux/gfp.h:571 [inline]
 alloc_pages include/linux/gfp.h:590 [inline]
 __get_free_pages+0xe/0x30 mm/page_alloc.c:5389
 kasan_populate_vmalloc_pte+0x39/0x130 mm/kasan/shadow.c:266
 apply_to_pte_range mm/memory.c:2475 [inline]
 apply_to_pmd_range mm/memory.c:2511 [inline]
 apply_to_pud_range mm/memory.c:2539 [inline]
 apply_to_p4d_range mm/memory.c:2567 [inline]
 __apply_to_page_range+0x720/0x9e0 mm/memory.c:2594
 apply_to_page_range+0x3b/0x50 mm/memory.c:2612
 kasan_populate_vmalloc+0x65/0x70 mm/kasan/shadow.c:297
 alloc_vmap_area+0x1944/0x1a90 mm/vmalloc.c:1238
 __get_vm_area_node+0x156/0x470 mm/vmalloc.c:2093
 __vmalloc_node_range+0xdc/0x7c0 mm/vmalloc.c:2591
 __vmalloc_node+0x81/0x90 mm/vmalloc.c:2682
 kvmalloc_node+0xd2/0x130 mm/util.c:627
 kvmalloc include/linux/mm.h:822 [inline]
 kvmalloc_array include/linux/mm.h:840 [inline]
 kvcalloc include/linux/mm.h:845 [inline]
 xt_alloc_entry_offsets+0x43/0x50 net/netfilter/x_tables.c:948
 translate_table+0x170/0x2250 net/ipv4/netfilter/ip_tables.c:679
 do_replace net/ipv4/netfilter/ip_tables.c:1134 [inline]
 do_ipt_set_ctl+0x2c4c/0x3e80 net/ipv4/netfilter/ip_tables.c:1628
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:28 [inline]
 free_pages_prepare mm/page_alloc.c:1349 [inline]
 free_pcp_prepare mm/page_alloc.c:1421 [inline]
 free_unref_page_prepare+0x2ae/0x2d0 mm/page_alloc.c:3336
 free_unref_page mm/page_alloc.c:3391 [inline]
 free_the_page+0x9e/0x370 mm/page_alloc.c:5405
 __free_pages+0x67/0xc0 mm/page_alloc.c:5416
 free_pages+0x7c/0x90 mm/page_alloc.c:5427
 kasan_depopulate_vmalloc_pte+0x6a/0x90 mm/kasan/shadow.c:354
 apply_to_pte_range mm/memory.c:2475 [inline]
 apply_to_pmd_range mm/memory.c:2511 [inline]
 apply_to_pud_range mm/memory.c:2539 [inline]
 apply_to_p4d_range mm/memory.c:2567 [inline]
 __apply_to_page_range+0x720/0x9e0 mm/memory.c:2594
 apply_to_existing_page_range+0x38/0x50 mm/memory.c:2845
 kasan_release_vmalloc+0x9a/0xb0 mm/kasan/shadow.c:464
 __purge_vmap_area_lazy+0x150e/0x1620 mm/vmalloc.c:1376
 try_purge_vmap_area_lazy+0x38/0x50 mm/vmalloc.c:1395
 free_vmap_area_noflush+0x281/0x2b0 mm/vmalloc.c:1431
 free_unmap_vmap_area mm/vmalloc.c:1444 [inline]
 remove_vm_area+0x1d7/0x1f0 mm/vmalloc.c:2199
 vm_remove_mappings mm/vmalloc.c:2226 [inline]
 __vunmap+0x24b/0x8f0 mm/vmalloc.c:2292
 __vfree mm/vmalloc.c:2349 [inline]
 vfree+0x5c/0x80 mm/vmalloc.c:2380
 kvfree+0x26/0x40 mm/util.c:645
 translate_table+0x1167/0x2250 net/ipv4/netfilter/ip_tables.c:735

Memory state around the buggy address:
 ffff888170974300: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff888170974380: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>ffff888170974400: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                                                             ^
 ffff888170974480: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff888170974500: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
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