================================================================== BUG: KCSAN: data-race in jbd2_journal_dirty_metadata / jbd2_journal_dirty_metadata write to 0xffff88810062608c of 4 bytes by task 7571 on cpu 1: jbd2_journal_dirty_metadata+0x346/0x6d0 fs/jbd2/transaction.c:1560 __ext4_handle_dirty_metadata+0xe6/0x470 fs/ext4/ext4_jbd2.c:354 __ext4_new_inode+0x11fd/0x2200 fs/ext4/ialloc.c:1124 ext4_create+0x172/0x2f0 fs/ext4/namei.c:2832 lookup_open fs/namei.c:3578 [inline] open_last_lookups fs/namei.c:3647 [inline] path_openat+0xdbc/0x1f00 fs/namei.c:3883 do_filp_open+0xf7/0x200 fs/namei.c:3913 do_sys_openat2+0xab/0x120 fs/open.c:1416 do_sys_open fs/open.c:1431 [inline] __do_sys_open fs/open.c:1439 [inline] __se_sys_open fs/open.c:1435 [inline] __x64_sys_open+0xe6/0x110 fs/open.c:1435 x64_sys_call+0x1321/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:3 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x54/0x120 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x76/0x7e read to 0xffff88810062608c of 4 bytes by task 7575 on cpu 0: jbd2_journal_dirty_metadata+0xff/0x6d0 fs/jbd2/transaction.c:1516 __ext4_handle_dirty_metadata+0xe6/0x470 fs/ext4/ext4_jbd2.c:354 __ext4_new_inode+0x11fd/0x2200 fs/ext4/ialloc.c:1124 ext4_symlink+0x242/0x5a0 fs/ext4/namei.c:3391 vfs_symlink+0xca/0x1d0 fs/namei.c:4568 do_symlinkat+0xe3/0x340 fs/namei.c:4594 __do_sys_symlinkat fs/namei.c:4610 [inline] __se_sys_symlinkat fs/namei.c:4607 [inline] __x64_sys_symlinkat+0x5e/0x70 fs/namei.c:4607 x64_sys_call+0x1dda/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:267 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x54/0x120 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x76/0x7e value changed: 0x00000000 -> 0x00000001 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 7575 Comm: syz-executor.5 Not tainted 6.11.0-rc6-syzkaller-00326-gd1f2d51b711a-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 ==================================================================