================================================================== BUG: KCSAN: data-race in ext4_fill_raw_inode / ext4_orphan_del write to 0xffff88812651eadc of 4 bytes by task 1832 on cpu 1: ext4_orphan_del+0x568/0x6f0 fs/ext4/orphan.c:296 ext4_evict_inode+0xb77/0xe40 fs/ext4/inode.c:317 evict+0x1aa/0x410 fs/inode.c:664 iput_final fs/inode.c:1744 [inline] iput+0x3f9/0x580 fs/inode.c:1770 do_unlinkat+0x2b3/0x510 fs/namei.c:4223 __do_sys_unlink fs/namei.c:4264 [inline] __se_sys_unlink fs/namei.c:4262 [inline] __x64_sys_unlink+0x2c/0x30 fs/namei.c:4262 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 0xffff88812651eadc of 4 bytes by task 8768 on cpu 0: ext4_fill_raw_inode+0x68c/0xea0 fs/ext4/inode.c:4368 ext4_do_update_inode fs/ext4/inode.c:5131 [inline] ext4_mark_iloc_dirty+0x364/0x860 fs/ext4/inode.c:5724 ext4_orphan_add+0x7eb/0xa00 fs/ext4/orphan.c:168 ext4_truncate+0x6c4/0xab0 fs/ext4/inode.c:4229 ext4_setattr+0xa66/0xdf0 fs/ext4/inode.c:5505 notify_change+0x9c3/0xa30 fs/attr.c:410 do_truncate+0xf7/0x140 fs/open.c:65 handle_truncate fs/namei.c:3132 [inline] do_open fs/namei.c:3480 [inline] path_openat+0x1834/0x1b30 fs/namei.c:3609 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: 0x00000494 -> 0x00000000 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 8768 Comm: syz-executor.4 Not tainted 5.18.0-rc6-syzkaller-00007-g9be9ed2612b5 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================