================================================================== BUG: KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_journal_stop write to 0xffff888144605800 of 8 bytes by task 4809 on cpu 1: jbd2_journal_commit_transaction+0x2962/0x3290 fs/jbd2/commit.c:1181 kjournald2+0x263/0x480 fs/jbd2/journal.c:213 kthread+0x20b/0x230 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 read to 0xffff888144605800 of 8 bytes by task 14054 on cpu 0: is_journal_aborted include/linux/jbd2.h:1647 [inline] is_handle_aborted include/linux/jbd2.h:1654 [inline] jbd2_journal_stop+0x12f/0x6d0 fs/jbd2/transaction.c:1807 __ext4_journal_stop+0x99/0x110 fs/ext4/ext4_jbd2.c:127 ext4_da_write_end+0x5c6/0x760 fs/ext4/inode.c:3118 generic_perform_write+0x23e/0x3a0 mm/filemap.c:3586 ext4_buffered_write_iter+0x2e5/0x3e0 fs/ext4/file.c:269 ext4_file_write_iter+0x48a/0x10b0 fs/ext4/file.c:502 call_write_iter include/linux/fs.h:1977 [inline] new_sync_write fs/read_write.c:518 [inline] vfs_write+0x6f9/0x7e0 fs/read_write.c:605 ksys_write+0xce/0x180 fs/read_write.c:658 __do_sys_write fs/read_write.c:670 [inline] __se_sys_write fs/read_write.c:667 [inline] __x64_sys_write+0x3e/0x50 fs/read_write.c:667 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 14054 Comm: syz-executor.2 Not tainted 5.12.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================