==================================================================
BUG: KASAN: use-after-free in cleancache_fs_enabled_mapping include/linux/cleancache.h:54 [inline]
BUG: KASAN: use-after-free in cleancache_invalidate_page include/linux/cleancache.h:108 [inline]
BUG: KASAN: use-after-free in unaccount_page_cache_page+0x6e6/0x750 mm/filemap.c:169
Read of size 4 at addr ffff8881c17d1488 by task syz-executor.3/14888

CPU: 1 PID: 14888 Comm: syz-executor.3 Not tainted 5.4.233-syzkaller-00003-gf423d52eea72 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1d8/0x241 lib/dump_stack.c:118
 print_address_description+0x8c/0x600 mm/kasan/report.c:384
 __kasan_report+0xf3/0x120 mm/kasan/report.c:516
 kasan_report+0x30/0x60 mm/kasan/common.c:653
 cleancache_fs_enabled_mapping include/linux/cleancache.h:54 [inline]
 cleancache_invalidate_page include/linux/cleancache.h:108 [inline]
 unaccount_page_cache_page+0x6e6/0x750 mm/filemap.c:169
 __delete_from_page_cache+0xd0/0x600 mm/filemap.c:237
 __remove_mapping+0x4a2/0x590 mm/vmscan.c:978
 shrink_page_list+0x22f9/0x42c0 mm/vmscan.c:1482
 shrink_inactive_list+0x533/0xfe0 mm/vmscan.c:2001
 shrink_list mm/vmscan.c:2293 [inline]
 shrink_node_memcg+0xc42/0x2430 mm/vmscan.c:2623
 shrink_node+0x389/0x14a0 mm/vmscan.c:2836
 shrink_zones mm/vmscan.c:3053 [inline]
 do_try_to_free_pages+0x63f/0x12b0 mm/vmscan.c:3111
 try_to_free_mem_cgroup_pages+0x3f6/0x9b0 mm/vmscan.c:3412
 memory_max_write+0x23a/0x440 mm/memcontrol.c:6220
 cgroup_file_write+0x275/0x5f0 kernel/cgroup/cgroup.c:3898
 kernfs_fop_write+0x2e2/0x3e0 fs/kernfs/file.c:315
 __vfs_write+0x103/0x750 fs/read_write.c:494
 vfs_write+0x206/0x4e0 fs/read_write.c:558
 ksys_write+0x199/0x2c0 fs/read_write.c:611
 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1

Allocated by task 14753:
 save_stack mm/kasan/common.c:70 [inline]
 set_track mm/kasan/common.c:78 [inline]
 __kasan_kmalloc+0x171/0x210 mm/kasan/common.c:529
 kmalloc include/linux/slab.h:556 [inline]
 kzalloc include/linux/slab.h:690 [inline]
 copy_verifier_state+0x581/0xbf0 kernel/bpf/verifier.c:746
 push_stack+0x153/0x470 kernel/bpf/verifier.c:819
 check_cond_jmp_op+0x719/0x17d0 kernel/bpf/verifier.c:6172
 do_check+0x4ba1/0x9820 kernel/bpf/verifier.c:8089
 bpf_check+0x2169/0xb340 kernel/bpf/verifier.c:9617
 bpf_prog_load kernel/bpf/syscall.c:1724 [inline]
 __do_sys_bpf kernel/bpf/syscall.c:2891 [inline]
 __se_sys_bpf+0x8139/0xbcb0 kernel/bpf/syscall.c:2849
 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1

Freed by task 14753:
 save_stack mm/kasan/common.c:70 [inline]
 set_track mm/kasan/common.c:78 [inline]
 kasan_set_free_info mm/kasan/common.c:345 [inline]
 __kasan_slab_free+0x1b5/0x270 mm/kasan/common.c:487
 slab_free_hook mm/slub.c:1455 [inline]
 slab_free_freelist_hook mm/slub.c:1494 [inline]
 slab_free mm/slub.c:3080 [inline]
 kfree+0x123/0x370 mm/slub.c:4071
 free_func_state kernel/bpf/verifier.c:672 [inline]
 free_verifier_state+0xde/0x230 kernel/bpf/verifier.c:688
 pop_stack kernel/bpf/verifier.c:795 [inline]
 do_check+0x6c84/0x9820 kernel/bpf/verifier.c:8078
 bpf_check+0x2169/0xb340 kernel/bpf/verifier.c:9617
 bpf_prog_load kernel/bpf/syscall.c:1724 [inline]
 __do_sys_bpf kernel/bpf/syscall.c:2891 [inline]
 __se_sys_bpf+0x8139/0xbcb0 kernel/bpf/syscall.c:2849
 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1

The buggy address belongs to the object at ffff8881c17d1000
 which belongs to the cache kmalloc-2k of size 2048
The buggy address is located 1160 bytes inside of
 2048-byte region [ffff8881c17d1000, ffff8881c17d1800)
The buggy address belongs to the page:
page:ffffea000705f400 refcount:1 mapcount:0 mapping:ffff8881f5c0c000 index:0x0 compound_mapcount: 0
flags: 0x8000000000010200(slab|head)
raw: 8000000000010200 dead000000000100 dead000000000122 ffff8881f5c0c000
raw: 0000000000000000 0000000000080008 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd2a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC)
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook mm/page_alloc.c:2165 [inline]
 prep_new_page+0x18f/0x370 mm/page_alloc.c:2171
 get_page_from_freelist+0x2d13/0x2d90 mm/page_alloc.c:3794
 __alloc_pages_nodemask+0x393/0x840 mm/page_alloc.c:4891
 alloc_slab_page+0x39/0x3c0 mm/slub.c:343
 allocate_slab mm/slub.c:1683 [inline]
 new_slab+0x97/0x440 mm/slub.c:1749
 new_slab_objects mm/slub.c:2505 [inline]
 ___slab_alloc+0x2fe/0x490 mm/slub.c:2667
 __slab_alloc+0x62/0xa0 mm/slub.c:2707
 slab_alloc_node mm/slub.c:2792 [inline]
 slab_alloc mm/slub.c:2837 [inline]
 __kmalloc_track_caller+0x16d/0x2b0 mm/slub.c:4449
 __kmalloc_reserve net/core/skbuff.c:142 [inline]
 pskb_expand_head+0x10c/0x10b0 net/core/skbuff.c:1647
 netlink_trim+0x198/0x230 net/netlink/af_netlink.c:1303
 netlink_broadcast_filtered+0x62/0x1280 net/netlink/af_netlink.c:1508
 netlink_broadcast net/netlink/af_netlink.c:1553 [inline]
 nlmsg_multicast include/net/netlink.h:968 [inline]
 nlmsg_notify+0xf7/0x1b0 net/netlink/af_netlink.c:2552
 __dev_notify_flags+0xe3/0x510 net/core/dev.c:7959
 rtnl_configure_link net/core/rtnetlink.c:2915 [inline]
 __rtnl_newlink net/core/rtnetlink.c:3249 [inline]
 rtnl_newlink+0x19e2/0x2010 net/core/rtnetlink.c:3289
 rtnetlink_rcv_msg+0x983/0xc70 net/core/rtnetlink.c:5262
 netlink_rcv_skb+0x1d5/0x420 net/netlink/af_netlink.c:2509
page_owner free stack trace missing

Memory state around the buggy address:
 ffff8881c17d1380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff8881c17d1400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff8881c17d1480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                      ^
 ffff8881c17d1500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff8881c17d1580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
syz-executor.3 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
CPU: 1 PID: 14888 Comm: syz-executor.3 Tainted: G    B             5.4.233-syzkaller-00003-gf423d52eea72 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1d8/0x241 lib/dump_stack.c:118
 dump_header+0xd5/0x6b0 mm/oom_kill.c:460
 oom_kill_process+0xeb/0x2c0 mm/oom_kill.c:974
 out_of_memory+0x5e1/0x890 mm/oom_kill.c:1111
 mem_cgroup_out_of_memory+0x211/0x270 mm/memcontrol.c:1611
 memory_max_write+0x329/0x440 mm/memcontrol.c:6227
 cgroup_file_write+0x275/0x5f0 kernel/cgroup/cgroup.c:3898
 kernfs_fop_write+0x2e2/0x3e0 fs/kernfs/file.c:315
 __vfs_write+0x103/0x750 fs/read_write.c:494
 vfs_write+0x206/0x4e0 fs/read_write.c:558
 ksys_write+0x199/0x2c0 fs/read_write.c:611
 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1
memory: usage 13464kB, limit 0kB, failcnt 0
swap: usage 0kB, limit 9007199254740988kB, failcnt 0
Memory cgroup stats for /syz0:
anon 7589888
file 6320128
kernel_stack 0
slab 0
sock 110592
shmem 6410240
file_mapped 0
file_dirty 0
file_writeback 0
anon_thp 0
inactive_anon 135168
active_anon 13787136
inactive_file 135168
active_file 0
unevictable 135168
slab_reclaimable 0
slab_unreclaimable 0
pgfault 638286
pgmajfault 0
workingset_refault 0
workingset_activate 0
workingset_nodereclaim 0
pgrefill 125
pgscan 124
pgsteal 47
pgactivate 66
oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=syz3,mems_allowed=0,oom_memcg=/syz0,task_memcg=/syz0,task=syz-executor.0,pid=8518,uid=0
Memory cgroup out of memory: Killed process 8518 (syz-executor.0) total-vm:54800kB, anon-rss:4640kB, file-rss:14336kB, shmem-rss:0kB, UID:0 pgtables:92kB oom_score_adj:1000
syz-executor.3 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
CPU: 1 PID: 14888 Comm: syz-executor.3 Tainted: G    B             5.4.233-syzkaller-00003-gf423d52eea72 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1d8/0x241 lib/dump_stack.c:118
 dump_header+0xd5/0x6b0 mm/oom_kill.c:460
 oom_kill_process+0xeb/0x2c0 mm/oom_kill.c:974
 out_of_memory+0x5e1/0x890 mm/oom_kill.c:1111
 mem_cgroup_out_of_memory+0x211/0x270 mm/memcontrol.c:1611
 memory_max_write+0x329/0x440 mm/memcontrol.c:6227
 cgroup_file_write+0x275/0x5f0 kernel/cgroup/cgroup.c:3898
 kernfs_fop_write+0x2e2/0x3e0 fs/kernfs/file.c:315
 __vfs_write+0x103/0x750 fs/read_write.c:494
 vfs_write+0x206/0x4e0 fs/read_write.c:558
 ksys_write+0x199/0x2c0 fs/read_write.c:611
 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1
memory: usage 9236kB, limit 0kB, failcnt 0
swap: usage 0kB, limit 9007199254740988kB, failcnt 0
Memory cgroup stats for /syz0:
anon 3342336
file 6320128
kernel_stack 0
slab 0
sock 110592
shmem 6410240
file_mapped 0
file_dirty 0
file_writeback 0
anon_thp 0
inactive_anon 135168
active_anon 9596928
inactive_file 135168
active_file 0
unevictable 135168
slab_reclaimable 0
slab_unreclaimable 0
pgfault 638286
pgmajfault 0
workingset_refault 0
workingset_activate 0
workingset_nodereclaim 0
pgrefill 125
pgscan 124
pgsteal 47
pgactivate 66
oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=syz3,mems_allowed=0,oom_memcg=/syz0,task_memcg=/syz0,task=syz-executor.0,pid=8545,uid=0
Memory cgroup out of memory: Killed process 8545 (syz-executor.0) total-vm:54800kB, anon-rss:2772kB, file-rss:14336kB, shmem-rss:0kB, UID:0 pgtables:88kB oom_score_adj:1000
syz-executor.3 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
CPU: 1 PID: 14888 Comm: syz-executor.3 Tainted: G    B             5.4.233-syzkaller-00003-gf423d52eea72 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1d8/0x241 lib/dump_stack.c:118
 dump_header+0xd5/0x6b0 mm/oom_kill.c:460
 oom_kill_process+0xeb/0x2c0 mm/oom_kill.c:974
 out_of_memory+0x5e1/0x890 mm/oom_kill.c:1111
 mem_cgroup_out_of_memory+0x211/0x270 mm/memcontrol.c:1611
 memory_max_write+0x329/0x440 mm/memcontrol.c:6227
 cgroup_file_write+0x275/0x5f0 kernel/cgroup/cgroup.c:3898
 kernfs_fop_write+0x2e2/0x3e0 fs/kernfs/file.c:315
 __vfs_write+0x103/0x750 fs/read_write.c:494
 vfs_write+0x206/0x4e0 fs/read_write.c:558
 ksys_write+0x199/0x2c0 fs/read_write.c:611
 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1
memory: usage 6868kB, limit 0kB, failcnt 0
swap: usage 0kB, limit 9007199254740988kB, failcnt 0
Memory cgroup stats for /syz0:
anon 921600
file 6320128
kernel_stack 0
slab 0
sock 110592
shmem 6410240
file_mapped 0
file_dirty 0
file_writeback 0
anon_thp 0
inactive_anon 135168
active_anon 7163904
inactive_file 135168
active_file 0
unevictable 135168
slab_reclaimable 0
slab_unreclaimable 0
pgfault 638286
pgmajfault 0
workingset_refault 0
workingset_activate 0
workingset_nodereclaim 0
pgrefill 125
pgscan 124
pgsteal 47
pgactivate 66
oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=syz3,mems_allowed=0,oom_memcg=/syz0,task_memcg=/syz0,task=syz-executor.0,pid=422,uid=0
Memory cgroup out of memory: Killed process 422 (syz-executor.0) total-vm:48516kB, anon-rss:476kB, file-rss:15220kB, shmem-rss:4kB, UID:0 pgtables:84kB oom_score_adj:0