================================================================== BUG: KASAN: slab-out-of-bounds in lockdep_set_quota_inode fs/ext4/super.c:6231 [inline] BUG: KASAN: slab-out-of-bounds in ext4_quota_enable fs/ext4/super.c:6362 [inline] BUG: KASAN: slab-out-of-bounds in ext4_enable_quotas+0x4b4/0xab4 fs/ext4/super.c:6389 Read of size 8 at addr ffff0000dfa9af58 by task syz-executor.5/30820 CPU: 0 PID: 30820 Comm: syz-executor.5 Not tainted 5.15.107-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 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 lockdep_set_quota_inode fs/ext4/super.c:6231 [inline] ext4_quota_enable fs/ext4/super.c:6362 [inline] ext4_enable_quotas+0x4b4/0xab4 fs/ext4/super.c:6389 ext4_fill_super+0x7c94/0x868c fs/ext4/super.c:4949 mount_bdev+0x26c/0x368 fs/super.c:1378 ext4_mount+0x44/0x58 fs/ext4/super.c:6568 legacy_get_tree+0xd4/0x16c fs/fs_context.c:610 vfs_get_tree+0x90/0x274 fs/super.c:1508 do_new_mount+0x25c/0x8c8 fs/namespace.c:2994 path_mount+0x590/0x104c fs/namespace.c:3324 do_mount fs/namespace.c:3337 [inline] __do_sys_mount fs/namespace.c:3545 [inline] __se_sys_mount fs/namespace.c:3522 [inline] __arm64_sys_mount+0x510/0x5e0 fs/namespace.c:3522 __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:596 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Allocated by task 14131: 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 f2fs_kmem_cache_alloc fs/f2fs/f2fs.h:2644 [inline] f2fs_alloc_inode+0x138/0x5d8 fs/f2fs/super.c:1350 alloc_inode fs/inode.c:236 [inline] iget_locked+0x180/0x720 fs/inode.c:1202 f2fs_iget+0x5c/0x53b8 fs/f2fs/inode.c:489 f2fs_fill_super+0x5058/0x6520 fs/f2fs/super.c:4231 mount_bdev+0x26c/0x368 fs/super.c:1378 f2fs_mount+0x44/0x58 fs/f2fs/super.c:4478 legacy_get_tree+0xd4/0x16c fs/fs_context.c:610 vfs_get_tree+0x90/0x274 fs/super.c:1508 do_new_mount+0x25c/0x8c8 fs/namespace.c:2994 path_mount+0x590/0x104c fs/namespace.c:3324 do_mount fs/namespace.c:3337 [inline] __do_sys_mount fs/namespace.c:3545 [inline] __se_sys_mount fs/namespace.c:3522 [inline] __arm64_sys_mount+0x510/0x5e0 fs/namespace.c:3522 __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:596 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614 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:2993 [inline] call_rcu+0x118/0xb40 kernel/rcu/tree.c:3073 destroy_inode fs/inode.c:291 [inline] evict+0x5fc/0x68c fs/inode.c:602 iput_final fs/inode.c:1663 [inline] iput+0x744/0x824 fs/inode.c:1689 f2fs_fill_super+0x5410/0x6520 fs/f2fs/super.c:4414 mount_bdev+0x26c/0x368 fs/super.c:1378 f2fs_mount+0x44/0x58 fs/f2fs/super.c:4478 legacy_get_tree+0xd4/0x16c fs/fs_context.c:610 vfs_get_tree+0x90/0x274 fs/super.c:1508 do_new_mount+0x25c/0x8c8 fs/namespace.c:2994 path_mount+0x590/0x104c fs/namespace.c:3324 do_mount fs/namespace.c:3337 [inline] __do_sys_mount fs/namespace.c:3545 [inline] __se_sys_mount fs/namespace.c:3522 [inline] __arm64_sys_mount+0x510/0x5e0 fs/namespace.c:3522 __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:596 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 The buggy address belongs to the object at ffff0000dfa9a600 which belongs to the cache f2fs_inode_cache of size 2304 The buggy address is located 88 bytes to the right of 2304-byte region [ffff0000dfa9a600, ffff0000dfa9af00) The buggy address belongs to the page: page:000000007b65bcb7 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff0000dfa9d580 pfn:0x11fa98 head:000000007b65bcb7 order:3 compound_mapcount:0 compound_pincount:0 memcg:ffff0000d3e6fd01 flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff) raw: 05ffc00000010200 0000000000000000 dead000000000122 ffff0000c65f1b00 raw: ffff0000dfa9d580 00000000800d0006 00000001ffffffff ffff0000d3e6fd01 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff0000dfa9ae00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff0000dfa9ae80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff0000dfa9af00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffff0000dfa9af80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff0000dfa9b000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ================================================================== EXT4-fs warning (device loop5): ext4_enable_quotas:6397: Failed to enable quota tracking (type=0, err=-13, ino=3). Please run e2fsck to fix. EXT4-fs (loop5): mount failed