================================================================== BUG: KCSAN: data-race in __ext4_update_other_inode_time / clear_inode write to 0xffff8881345e23b0 of 8 bytes by task 1158 on cpu 1: clear_inode+0xef/0x130 fs/inode.c:550 ext4_clear_inode+0x27/0x100 fs/ext4/super.c:1400 ext4_free_inode+0x19e/0xa80 fs/ext4/ialloc.c:278 ext4_evict_inode+0xb7e/0xdb0 fs/ext4/inode.c:332 evict+0x1c8/0x3c0 fs/inode.c:588 iput_final fs/inode.c:1664 [inline] iput+0x430/0x580 fs/inode.c:1690 do_unlinkat+0x2d4/0x540 fs/namei.c:4176 __do_sys_unlink fs/namei.c:4217 [inline] __se_sys_unlink fs/namei.c:4215 [inline] __x64_sys_unlink+0x2c/0x30 fs/namei.c:4215 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff8881345e23b0 of 8 bytes by task 23668 on cpu 0: inode_is_dirtytime_only include/linux/fs.h:2471 [inline] __ext4_update_other_inode_time+0x48/0x5c0 fs/ext4/inode.c:4914 ext4_update_other_inodes_time fs/ext4/inode.c:4957 [inline] ext4_do_update_inode fs/ext4/inode.c:5091 [inline] ext4_mark_iloc_dirty+0x1286/0x1700 fs/ext4/inode.c:5683 __ext4_mark_inode_dirty+0x4ec/0x5c0 fs/ext4/inode.c:5879 ext4_dirty_inode+0x86/0xa0 fs/ext4/inode.c:5908 __mark_inode_dirty+0x77/0x6a0 fs/fs-writeback.c:2398 mark_inode_dirty include/linux/fs.h:2452 [inline] generic_write_end+0x157/0x180 fs/buffer.c:2202 ext4_da_write_end+0x4cc/0x5e0 fs/ext4/inode.c:3062 generic_perform_write+0x251/0x3e0 mm/filemap.c:3781 ext4_buffered_write_iter+0x305/0x400 fs/ext4/file.c:269 ext4_file_write_iter+0x2e7/0x11f0 call_write_iter include/linux/fs.h:2163 [inline] aio_write+0x2b4/0x390 fs/aio.c:1578 io_submit_one+0x86f/0x13b0 fs/aio.c:1880 __do_sys_io_submit fs/aio.c:1939 [inline] __se_sys_io_submit+0x105/0x270 fs/aio.c:1909 __x64_sys_io_submit+0x3f/0x50 fs/aio.c:1909 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae value changed: 0x0000000000000000 -> 0x0000000000000060 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 23668 Comm: syz-executor.0 Not tainted 5.15.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================