================================================================== BUG: KCSAN: data-race in jbd2_journal_dirty_metadata / jbd2_journal_dirty_metadata write to 0xffff888102a76be4 of 4 bytes by task 10617 on cpu 0: jbd2_journal_dirty_metadata+0x2f7/0x680 fs/jbd2/transaction.c:1547 __ext4_handle_dirty_metadata+0xe2/0x470 fs/ext4/ext4_jbd2.c:350 ext4_do_update_inode fs/ext4/inode.c:5143 [inline] ext4_mark_iloc_dirty+0x512/0x860 fs/ext4/inode.c:5724 ext4_orphan_del+0x583/0x6f0 fs/ext4/orphan.c:297 ext4_handle_inode_extension fs/ext4/file.c:353 [inline] ext4_dio_write_iter fs/ext4/file.c:573 [inline] ext4_file_write_iter+0x1020/0x1210 fs/ext4/file.c:677 do_iter_readv_writev+0x27b/0x300 do_iter_write+0x16f/0x5c0 fs/read_write.c:852 vfs_iter_write+0x4c/0x70 fs/read_write.c:893 iter_file_splice_write+0x44a/0x7c0 fs/splice.c:689 do_splice_from fs/splice.c:767 [inline] direct_splice_actor+0x80/0xa0 fs/splice.c:936 splice_direct_to_actor+0x345/0x660 fs/splice.c:891 do_splice_direct+0xfb/0x180 fs/splice.c:979 do_sendfile+0x3ad/0x900 fs/read_write.c:1246 __do_sys_sendfile64 fs/read_write.c:1311 [inline] __se_sys_sendfile64 fs/read_write.c:1297 [inline] __x64_sys_sendfile64+0x10c/0x150 fs/read_write.c:1297 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 0xffff888102a76be4 of 4 bytes by task 10611 on cpu 1: jbd2_journal_dirty_metadata+0x170/0x680 fs/jbd2/transaction.c:1515 __ext4_handle_dirty_metadata+0xe2/0x470 fs/ext4/ext4_jbd2.c:350 ext4_do_update_inode fs/ext4/inode.c:5143 [inline] ext4_mark_iloc_dirty+0x512/0x860 fs/ext4/inode.c:5724 __ext4_mark_inode_dirty+0x452/0x610 fs/ext4/inode.c:5920 ext4_handle_inode_extension fs/ext4/file.c:332 [inline] ext4_dio_write_iter fs/ext4/file.c:573 [inline] ext4_file_write_iter+0xedb/0x1210 fs/ext4/file.c:677 do_iter_readv_writev+0x27b/0x300 do_iter_write+0x16f/0x5c0 fs/read_write.c:852 vfs_iter_write+0x4c/0x70 fs/read_write.c:893 iter_file_splice_write+0x44a/0x7c0 fs/splice.c:689 do_splice_from fs/splice.c:767 [inline] direct_splice_actor+0x80/0xa0 fs/splice.c:936 splice_direct_to_actor+0x345/0x660 fs/splice.c:891 do_splice_direct+0xfb/0x180 fs/splice.c:979 do_sendfile+0x3ad/0x900 fs/read_write.c:1246 __do_sys_sendfile64 fs/read_write.c:1311 [inline] __se_sys_sendfile64 fs/read_write.c:1297 [inline] __x64_sys_sendfile64+0x10c/0x150 fs/read_write.c:1297 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: 1 PID: 10611 Comm: syz-executor.2 Not tainted 5.18.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================