================================================================== BUG: KCSAN: data-race in jbd2_journal_get_write_access / jbd2_journal_update_sb_log_tail read-write to 0xffff888103dec000 of 8 bytes by task 1404 on cpu 0: jbd2_journal_update_sb_log_tail+0x16e/0x1a0 fs/jbd2/journal.c:1695 jbd2_journal_commit_transaction+0x22a/0x3180 fs/jbd2/commit.c:430 kjournald2+0x253/0x460 fs/jbd2/journal.c:213 kthread+0x1a9/0x1e0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 read to 0xffff888103dec000 of 8 bytes by task 9398 on cpu 1: is_journal_aborted include/linux/jbd2.h:1689 [inline] is_handle_aborted include/linux/jbd2.h:1696 [inline] jbd2_journal_get_write_access+0x60/0x1c0 fs/jbd2/transaction.c:1232 __ext4_journal_get_write_access+0x174/0x450 fs/ext4/ext4_jbd2.c:235 ext4_reserve_inode_write+0x14c/0x1f0 fs/ext4/inode.c:5746 ext4_xattr_set_handle+0x363/0xbd0 fs/ext4/xattr.c:2319 ext4_initxattrs+0x66/0xb0 fs/ext4/xattr_security.c:44 security_inode_init_security+0x1b8/0x280 security/security.c:1116 ext4_init_security+0x30/0x40 fs/ext4/xattr_security.c:58 __ext4_new_inode+0x24c1/0x2700 fs/ext4/ialloc.c:1325 ext4_create+0x179/0x300 fs/ext4/namei.c:2746 lookup_open fs/namei.c:3330 [inline] open_last_lookups fs/namei.c:3400 [inline] path_openat+0xc50/0x1b30 fs/namei.c:3606 do_filp_open+0x105/0x220 fs/namei.c:3636 do_sys_openat2+0xb5/0x2a0 fs/open.c:1213 do_sys_open fs/open.c:1229 [inline] __do_sys_openat fs/open.c:1245 [inline] __se_sys_openat fs/open.c:1240 [inline] __x64_sys_openat+0xef/0x110 fs/open.c:1240 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: 0x0000000000000038 -> 0x0000000000000230 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 9398 Comm: syz-executor.0 Not tainted 5.18.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================