EXT4-fs error (device loop8): ext4_xattr_ibody_find:2240: inode #15: comm syz.8.15445: corrupted in-inode xattr: invalid ea_ino EXT4-fs error (device loop8): ext4_orphan_get:1394: comm syz.8.15445: couldn't read orphan inode 15 (err -117) ================================================================== BUG: KCSAN: data-race in __find_get_block / has_bh_in_lru read-write to 0xffff888237d2ba28 of 8 bytes by task 29912 on cpu 1: bh_lru_install fs/buffer.c:1337 [inline] __find_get_block+0x434/0x8a0 fs/buffer.c:1400 bdev_getblk+0x30/0x3b0 fs/buffer.c:1425 ext4_sb_breadahead_unmovable+0x44/0x190 fs/ext4/super.c:271 __ext4_get_inode_loc+0x6d4/0x910 fs/ext4/inode.c:4523 __ext4_get_inode_loc_noinmem fs/ext4/inode.c:4553 [inline] __ext4_iget+0x30a/0x1d70 fs/ext4/inode.c:4775 __ext4_fill_super fs/ext4/super.c:5505 [inline] ext4_fill_super+0x3001/0x3a10 fs/ext4/super.c:5733 get_tree_bdev_flags+0x29f/0x310 fs/super.c:1636 get_tree_bdev+0x1f/0x30 fs/super.c:1659 ext4_get_tree+0x1c/0x30 fs/ext4/super.c:5765 vfs_get_tree+0x56/0x1e0 fs/super.c:1814 do_new_mount+0x227/0x690 fs/namespace.c:3507 path_mount+0x49b/0xb30 fs/namespace.c:3834 do_mount fs/namespace.c:3847 [inline] __do_sys_mount fs/namespace.c:4057 [inline] __se_sys_mount+0x27c/0x2d0 fs/namespace.c:4034 __x64_sys_mount+0x67/0x80 fs/namespace.c:4034 x64_sys_call+0x2c84/0x2dc0 arch/x86/include/generated/asm/syscalls_64.h:166 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f read to 0xffff888237d2ba28 of 8 bytes by task 29907 on cpu 0: has_bh_in_lru+0x35/0x1f0 fs/buffer.c:1521 smp_call_function_many_cond+0x2d5/0xc20 kernel/smp.c:837 on_each_cpu_cond_mask+0x3c/0x90 kernel/smp.c:1051 on_each_cpu_cond include/linux/smp.h:105 [inline] invalidate_bh_lrus+0x2a/0x30 fs/buffer.c:1530 invalidate_bdev+0x42/0x70 block/bdev.c:100 ext4_put_super+0x571/0x840 fs/ext4/super.c:1356 generic_shutdown_super+0xe5/0x220 fs/super.c:642 kill_block_super+0x2a/0x70 fs/super.c:1710 ext4_kill_sb+0x44/0x80 fs/ext4/super.c:7379 deactivate_locked_super+0x7d/0x1c0 fs/super.c:473 deactivate_super+0x9f/0xb0 fs/super.c:506 cleanup_mnt+0x268/0x2e0 fs/namespace.c:1373 __cleanup_mnt+0x19/0x20 fs/namespace.c:1380 task_work_run+0x13a/0x1a0 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xa8/0x120 kernel/entry/common.c:218 do_syscall_64+0xd6/0x1c0 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0xffff888106a39d00 -> 0xffff888106b972d8 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 29907 Comm: syz.8.15445 Not tainted 6.13.0-rc2-syzkaller-00130-g150b567e0d57 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 ==================================================================