EXT4-fs (loop7): Ignoring removed bh option EXT4-fs (loop7): Ignoring removed nomblk_io_submit option EXT4-fs (loop7): Ignoring removed oldalloc option EXT4-fs (loop7): warning: checktime reached, running e2fsck is recommended ================================================================== BUG: KASAN: slab-out-of-bounds in check_igot_inode fs/ext4/inode.c:-1 [inline] BUG: KASAN: slab-out-of-bounds in __ext4_iget+0x36d/0x40e0 fs/ext4/inode.c:4787 Read of size 8 at addr ffff88812c9c65b8 by task syz.7.399/1933 CPU: 1 PID: 1933 Comm: syz.7.399 Not tainted 5.10.239-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:435 [inline] kasan_report+0xe2/0x130 mm/kasan/report.c:452 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report_generic.c:309 check_igot_inode fs/ext4/inode.c:-1 [inline] __ext4_iget+0x36d/0x40e0 fs/ext4/inode.c:4787 ext4_quota_enable fs/ext4/super.c:6447 [inline] ext4_enable_quotas+0x33b/0x6d0 fs/ext4/super.c:6483 ext4_fill_super+0x82a9/0x8b60 fs/ext4/super.c:5060 mount_bdev+0x28b/0x3a0 fs/super.c:1442 ext4_mount+0x34/0x40 fs/ext4/super.c:6662 legacy_get_tree+0xed/0x190 fs/fs_context.c:593 vfs_get_tree+0x89/0x260 fs/super.c:1572 do_new_mount+0x25a/0xa20 fs/namespace.c:2919 path_mount+0x572/0xc80 fs/namespace.c:3249 do_mount fs/namespace.c:3262 [inline] __do_sys_mount fs/namespace.c:3470 [inline] __se_sys_mount+0x318/0x380 fs/namespace.c:3447 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3447 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fb34773914a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007fb345d9fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fb345d9fef0 RCX: 00007fb34773914a RDX: 00002000000003c0 RSI: 00002000000001c0 RDI: 00007fb345d9feb0 RBP: 00002000000003c0 R08: 00007fb345d9fef0 R09: 0000000000000404 R10: 0000000000000404 R11: 0000000000000246 R12: 00002000000001c0 R13: 00007fb345d9feb0 R14: 00000000000005f8 R15: 0000200000000000 Allocated by task 0: (stack is not available) The buggy address belongs to the object at ffff88812c9c6090 which belongs to the cache f2fs_inode_cache of size 1520 The buggy address is located 1320 bytes inside of 1520-byte region [ffff88812c9c6090, ffff88812c9c6680) The buggy address belongs to the page: page:ffffea0004b27000 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x12c9c0 head:ffffea0004b27000 order:3 compound_mapcount:0 compound_pincount:0 flags: 0x4000000000010200(slab|head) raw: 4000000000010200 dead000000000100 dead000000000122 ffff8881029cd980 raw: 0000000000000000 0000000080130013 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 3, migratetype Reclaimable, gfp_mask 0x1d2050(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL|__GFP_RECLAIMABLE), pid 639, ts 70308632082, free_ts 49327040751 set_page_owner include/linux/page_owner.h:35 [inline] post_alloc_hook mm/page_alloc.c:2456 [inline] prep_new_page+0x179/0x180 mm/page_alloc.c:2462 get_page_from_freelist+0x2235/0x23d0 mm/page_alloc.c:4254 __alloc_pages_nodemask+0x268/0x5f0 mm/page_alloc.c:5357 alloc_slab_page mm/slub.c:-1 [inline] allocate_slab mm/slub.c:1808 [inline] new_slab+0x84/0x3f0 mm/slub.c:1869 new_slab_objects mm/slub.c:2627 [inline] ___slab_alloc+0x2a6/0x450 mm/slub.c:2791 __slab_alloc+0x63/0xa0 mm/slub.c:2831 slab_alloc_node mm/slub.c:2913 [inline] slab_alloc mm/slub.c:2955 [inline] kmem_cache_alloc+0x1af/0x2e0 mm/slub.c:2960 f2fs_kmem_cache_alloc fs/f2fs/f2fs.h:2785 [inline] f2fs_alloc_inode+0x26/0x410 fs/f2fs/super.c:1373 alloc_inode fs/inode.c:233 [inline] iget_locked+0x146/0x7d0 fs/inode.c:1275 f2fs_iget+0x55/0x4dc0 fs/f2fs/inode.c:498 f2fs_fill_super+0x45ba/0x6c70 fs/f2fs/super.c:4309 mount_bdev+0x28b/0x3a0 fs/super.c:1442 f2fs_mount+0x34/0x40 fs/f2fs/super.c:4556 legacy_get_tree+0xed/0x190 fs/fs_context.c:593 vfs_get_tree+0x89/0x260 fs/super.c:1572 do_new_mount+0x25a/0xa20 fs/namespace.c:2919 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+0x2b7/0x2d0 mm/page_alloc.c:3336 free_unref_page_list+0x12e/0x9b0 mm/page_alloc.c:3443 release_pages+0xe38/0xe80 mm/swap.c:1103 __pagevec_release+0x71/0xe0 mm/swap.c:1123 pagevec_release include/linux/pagevec.h:88 [inline] shmem_undo_range+0x6e1/0x1760 mm/shmem.c:969 shmem_truncate_range mm/shmem.c:1073 [inline] shmem_evict_inode+0x1fd/0x9c0 mm/shmem.c:1173 evict+0x478/0x910 fs/inode.c:612 iput_final fs/inode.c:1736 [inline] iput+0x638/0x7c0 fs/inode.c:1762 dentry_unlink_inode+0x2cf/0x380 fs/dcache.c:378 __dentry_kill+0x44f/0x650 fs/dcache.c:583 dentry_kill+0xc0/0x2a0 fs/dcache.c:-1 dput+0x42/0x80 fs/dcache.c:883 __fput+0x4fe/0x770 fs/file_table.c:294 ____fput+0x15/0x20 fs/file_table.c:314 task_work_run+0x127/0x190 kernel/task_work.c:189 exit_task_work include/linux/task_work.h:33 [inline] do_exit+0xa4f/0x2480 kernel/exit.c:872 Memory state around the buggy address: ffff88812c9c6480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88812c9c6500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff88812c9c6580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffff88812c9c6600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88812c9c6680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ================================================================== EXT4-fs warning (device loop7): ext4_enable_quotas:6491: Failed to enable quota tracking (type=0, err=-13, ino=3). Please run e2fsck to fix. EXT4-fs (loop7): mount failed