================================================================== BUG: KCSAN: data-race in jbd2_journal_stop / jbd2_journal_stop read to 0xffff8881031bfcf8 of 4 bytes by task 8072 on cpu 1: jbd2_journal_stop+0x297/0x6a0 fs/jbd2/transaction.c:1870 __ext4_journal_stop+0x99/0x110 fs/ext4/ext4_jbd2.c:127 ext4_symlink+0x4db/0x700 fs/ext4/namei.c:3365 vfs_symlink+0x241/0x330 fs/namei.c:4248 do_symlinkat+0x104/0x380 fs/namei.c:4277 __do_sys_symlink fs/namei.c:4299 [inline] __se_sys_symlink fs/namei.c:4297 [inline] __x64_sys_symlink+0x52/0x60 fs/namei.c:4297 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 write to 0xffff8881031bfcf8 of 4 bytes by task 8073 on cpu 0: jbd2_journal_stop+0x2e6/0x6a0 fs/jbd2/transaction.c:1874 __ext4_journal_stop+0x99/0x110 fs/ext4/ext4_jbd2.c:127 ext4_symlink+0x4db/0x700 fs/ext4/namei.c:3365 vfs_symlink+0x241/0x330 fs/namei.c:4248 do_symlinkat+0x104/0x380 fs/namei.c:4277 __do_sys_symlink fs/namei.c:4299 [inline] __se_sys_symlink fs/namei.c:4297 [inline] __x64_sys_symlink+0x52/0x60 fs/namei.c:4297 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: 0x00001f8b -> 0x00001f88 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 8073 Comm: syz-executor.1 Not tainted 5.16.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================