================================================================== BUG: KCSAN: data-race in jbd2_journal_dirty_metadata / jbd2_journal_dirty_metadata write to 0xffff888105a7cef4 of 4 bytes by task 1822 on cpu 0: jbd2_journal_dirty_metadata+0x2f6/0x690 fs/jbd2/transaction.c:1538 __ext4_handle_dirty_metadata+0xfb/0x5a0 fs/ext4/ext4_jbd2.c:348 ext4_mb_mark_diskspace_used+0x90e/0xc60 fs/ext4/mballoc.c:3879 ext4_mb_new_blocks+0xae8/0x1ee0 fs/ext4/mballoc.c:5604 ext4_ext_map_blocks+0x1658/0x2120 fs/ext4/extents.c:4285 ext4_map_blocks+0x71e/0xf00 fs/ext4/inode.c:637 ext4_getblk+0xc6/0x3e0 fs/ext4/inode.c:847 ext4_bread+0x28/0x100 fs/ext4/inode.c:900 ext4_append+0xd1/0x1c0 fs/ext4/namei.c:67 ext4_init_new_dir+0x177/0x500 fs/ext4/namei.c:2893 ext4_mkdir+0x329/0x760 fs/ext4/namei.c:2939 vfs_mkdir+0x2c8/0x3d0 fs/namei.c:3883 do_mkdirat+0x12e/0x2c0 fs/namei.c:3909 __do_sys_mkdir fs/namei.c:3929 [inline] __se_sys_mkdir fs/namei.c:3927 [inline] __x64_sys_mkdir+0x40/0x50 fs/namei.c:3927 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff888105a7cef4 of 4 bytes by task 3354 on cpu 1: jbd2_journal_dirty_metadata+0x16f/0x690 fs/jbd2/transaction.c:1506 __ext4_handle_dirty_metadata+0xfb/0x5a0 fs/ext4/ext4_jbd2.c:348 ext4_free_blocks+0x16d8/0x1b00 fs/ext4/mballoc.c:6093 ext4_remove_blocks+0x7fb/0xa10 fs/ext4/extents.c:2541 ext4_ext_rm_leaf+0x6a7/0xef0 fs/ext4/extents.c:2707 ext4_ext_remove_space+0x956/0x14c0 fs/ext4/extents.c:2955 ext4_ext_truncate+0xfe/0x170 fs/ext4/extents.c:4417 ext4_truncate+0x76e/0xae0 fs/ext4/inode.c:4201 ext4_evict_inode+0xad5/0xf10 fs/ext4/inode.c:287 evict+0x1aa/0x410 fs/inode.c:590 iput_final fs/inode.c:1670 [inline] iput+0x3ef/0x580 fs/inode.c:1696 dentry_unlink_inode+0x23d/0x250 fs/dcache.c:376 d_delete+0x78/0xa0 fs/dcache.c:2505 vfs_rmdir+0x2bf/0x2e0 fs/namei.c:3982 do_rmdir+0x18d/0x330 fs/namei.c:4030 __do_sys_rmdir fs/namei.c:4049 [inline] __se_sys_rmdir fs/namei.c:4047 [inline] __x64_sys_rmdir+0x2c/0x30 fs/namei.c:4047 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae value changed: 0x00000000 -> 0x00000001 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 3354 Comm: syz-executor.2 Not tainted 5.16.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================