==================================================================
BUG: KASAN: use-after-free in __ext4_iget+0x254/0x31c4 fs/ext4/inode.c:4641
Read of size 8 at addr ffff0000e9570c80 by task syz-executor.4/8041

CPU: 0 PID: 8041 Comm: syz-executor.4 Not tainted 5.15.153-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call trace:
 dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 print_address_description+0x7c/0x3f0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:434 [inline]
 kasan_report+0x174/0x1e4 mm/kasan/report.c:451
 __asan_report_load8_noabort+0x44/0x50 mm/kasan/report_generic.c:309
 __ext4_iget+0x254/0x31c4 fs/ext4/inode.c:4641
 ext4_fill_super+0x690c/0x8768 fs/ext4/super.c:4832
 mount_bdev+0x274/0x370 fs/super.c:1387
 ext4_mount+0x44/0x58 fs/ext4/super.c:6582
 legacy_get_tree+0xd4/0x16c fs/fs_context.c:611
 vfs_get_tree+0x90/0x274 fs/super.c:1517
 do_new_mount+0x278/0x8fc fs/namespace.c:3005
 path_mount+0x594/0x101c fs/namespace.c:3335
 do_mount fs/namespace.c:3348 [inline]
 __do_sys_mount fs/namespace.c:3556 [inline]
 __se_sys_mount fs/namespace.c:3533 [inline]
 __arm64_sys_mount+0x510/0x5e0 fs/namespace.c:3533
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584

Allocated by task 6086:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:46 [inline]
 set_alloc_info mm/kasan/common.c:434 [inline]
 __kasan_slab_alloc+0x8c/0xcc mm/kasan/common.c:467
 kasan_slab_alloc include/linux/kasan.h:254 [inline]
 slab_post_alloc_hook+0x74/0x3f4 mm/slab.h:519
 slab_alloc_node mm/slub.c:3220 [inline]
 slab_alloc mm/slub.c:3228 [inline]
 kmem_cache_alloc+0x1dc/0x45c mm/slub.c:3233
 reiserfs_alloc_inode+0x24/0xbc fs/reiserfs/super.c:642
 alloc_inode fs/inode.c:236 [inline]
 new_inode_pseudo+0x68/0x200 fs/inode.c:937
 new_inode+0x38/0x174 fs/inode.c:966
 reiserfs_create+0x174/0x5a4 fs/reiserfs/namei.c:643
 xattr_create fs/reiserfs/xattr.c:69 [inline]
 xattr_lookup+0x1c4/0x268 fs/reiserfs/xattr.c:412
 reiserfs_xattr_set_handle+0xe4/0xc10 fs/reiserfs/xattr.c:540
 reiserfs_xattr_set+0x398/0x4b0 fs/reiserfs/xattr.c:640
 trusted_set+0x98/0xec fs/reiserfs/xattr_trusted.c:31
 __vfs_setxattr+0x388/0x3a4 fs/xattr.c:182
 __vfs_setxattr_noperm+0x110/0x528 fs/xattr.c:216
 __vfs_setxattr_locked+0x1ec/0x218 fs/xattr.c:277
 vfs_setxattr+0x1a8/0x344 fs/xattr.c:303
 do_setxattr fs/xattr.c:588 [inline]
 setxattr+0x250/0x2b4 fs/xattr.c:611
 path_setxattr+0x17c/0x258 fs/xattr.c:630
 __do_sys_lsetxattr fs/xattr.c:653 [inline]
 __se_sys_lsetxattr fs/xattr.c:649 [inline]
 __arm64_sys_lsetxattr+0xbc/0xd8 fs/xattr.c:649
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584

Last potentially related work creation:
 kasan_save_stack+0x38/0x68 mm/kasan/common.c:38
 kasan_record_aux_stack+0xd4/0x11c mm/kasan/generic.c:348
 __call_rcu kernel/rcu/tree.c:3007 [inline]
 call_rcu+0x118/0xb40 kernel/rcu/tree.c:3087
 destroy_inode fs/inode.c:291 [inline]
 evict+0x5fc/0x68c fs/inode.c:602
 iput_final fs/inode.c:1705 [inline]
 iput+0x744/0x824 fs/inode.c:1731
 dentry_unlink_inode+0x370/0x4b0 fs/dcache.c:376
 d_delete+0xa4/0x18c fs/dcache.c:2506
 xattr_unlink fs/reiserfs/xattr.c:96 [inline]
 delete_one_xattr+0x264/0x2c8 fs/reiserfs/xattr.c:340
 reiserfs_for_each_xattr+0x350/0x8d8 fs/reiserfs/xattr.c:278
 reiserfs_delete_xattrs+0x2c/0xa4 fs/reiserfs/xattr.c:364
 reiserfs_evict_inode+0x1dc/0x3f0 fs/reiserfs/inode.c:53
 evict+0x260/0x68c fs/inode.c:587
 iput_final fs/inode.c:1705 [inline]
 iput+0x744/0x824 fs/inode.c:1731
 dentry_unlink_inode+0x370/0x4b0 fs/dcache.c:376
 __dentry_kill+0x324/0x5e4 fs/dcache.c:582
 dentry_kill+0xc8/0x250
 dput+0x21c/0x458 fs/dcache.c:889
 path_put+0x3c/0x68 fs/namei.c:559
 path_setxattr+0x1a0/0x258 fs/xattr.c:634
 __do_sys_lsetxattr fs/xattr.c:653 [inline]
 __se_sys_lsetxattr fs/xattr.c:649 [inline]
 __arm64_sys_lsetxattr+0xbc/0xd8 fs/xattr.c:649
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584

Second to last potentially related work creation:
 kasan_save_stack+0x38/0x68 mm/kasan/common.c:38
 kasan_record_aux_stack+0xd4/0x11c mm/kasan/generic.c:348
 __call_rcu kernel/rcu/tree.c:3007 [inline]
 call_rcu+0x118/0xb40 kernel/rcu/tree.c:3087
 destroy_inode fs/inode.c:291 [inline]
 evict+0x5fc/0x68c fs/inode.c:602
 dispose_list fs/inode.c:620 [inline]
 evict_inodes+0x4b4/0x74c fs/inode.c:664
 generic_shutdown_super+0x9c/0x29c fs/super.c:454
 kill_block_super+0x70/0xdc fs/super.c:1414
 reiserfs_kill_sb+0x134/0x14c fs/reiserfs/super.c:570
 deactivate_locked_super+0xb8/0x13c fs/super.c:335
 deactivate_super+0x108/0x128 fs/super.c:366
 cleanup_mnt+0x3c0/0x474 fs/namespace.c:1143
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1150
 task_work_run+0x130/0x1e4 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 do_notify_resume+0x262c/0x32b8 arch/arm64/kernel/signal.c:946
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline]
 el0_svc+0xfc/0x1f0 arch/arm64/kernel/entry-common.c:609
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584

The buggy address belongs to the object at ffff0000e95706a0
 which belongs to the cache reiser_inode_cache of size 1568
The buggy address is located 1504 bytes inside of
 1568-byte region [ffff0000e95706a0, ffff0000e9570cc0)
The buggy address belongs to the page:
page:00000000d907dfdc refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff0000e9572120 pfn:0x129570
head:00000000d907dfdc order:3 compound_mapcount:0 compound_pincount:0
memcg:ffff0000cfcd9001
flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc00000010200 0000000000000000 0000000100000001 ffff0000c6207500
raw: ffff0000e9572120 0000000080130001 00000001ffffffff ffff0000cfcd9001
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff0000e9570b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff0000e9570c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff0000e9570c80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
                   ^
 ffff0000e9570d00: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00
 ffff0000e9570d80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
EXT4-fs (loop4): corrupt root inode, run e2fsck
EXT4-fs (loop4): mount failed
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'.
netlink: 36 bytes leftover after parsing attributes in process `syz-executor.4'.