================================================================== BUG: KCSAN: data-race in jbd2_journal_dirty_metadata / jbd2_journal_dirty_metadata write to 0xffff8881214ef4e4 of 4 bytes by task 2804 on cpu 1: jbd2_journal_dirty_metadata+0x2f7/0x680 fs/jbd2/transaction.c:1547 __ext4_handle_dirty_metadata+0xe2/0x470 fs/ext4/ext4_jbd2.c:350 ext4_free_inode+0x6a5/0x810 fs/ext4/ialloc.c:351 ext4_evict_inode+0xbd7/0xe40 fs/ext4/inode.c:331 evict+0x1aa/0x410 fs/inode.c:664 iput_final fs/inode.c:1744 [inline] iput+0x3f9/0x580 fs/inode.c:1770 do_unlinkat+0x2b3/0x510 fs/namei.c:4223 __do_sys_unlink fs/namei.c:4264 [inline] __se_sys_unlink fs/namei.c:4262 [inline] __x64_sys_unlink+0x2c/0x30 fs/namei.c:4262 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff8881214ef4e4 of 4 bytes by task 8619 on cpu 0: jbd2_journal_dirty_metadata+0x170/0x680 fs/jbd2/transaction.c:1515 __ext4_handle_dirty_metadata+0xe2/0x470 fs/ext4/ext4_jbd2.c:350 __ext4_new_inode+0x1203/0x2700 fs/ext4/ialloc.c:1126 ext4_symlink+0x2ba/0x6f0 fs/ext4/namei.c:3293 vfs_symlink+0x18a/0x280 fs/namei.c:4297 do_symlinkat+0xe2/0x330 fs/namei.c:4326 __do_sys_symlinkat fs/namei.c:4343 [inline] __se_sys_symlinkat fs/namei.c:4340 [inline] __x64_sys_symlinkat+0x5e/0x70 fs/namei.c:4340 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae value changed: 0x00000000 -> 0x00000001 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 8619 Comm: syz-executor.5 Not tainted 5.18.0-rc5-syzkaller-00207-g379c72654524 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================