================================================================== BUG: KCSAN: data-race in __ext4_update_other_inode_time / inode_io_list_del write to 0xffff88810c3b7678 of 8 bytes by task 8380 on cpu 1: inode_io_list_del_locked fs/fs-writeback.c:148 [inline] inode_io_list_del+0x9c/0x240 fs/fs-writeback.c:1127 evict+0xad/0x410 fs/inode.c:565 iput_final fs/inode.c:1654 [inline] iput+0x3fd/0x520 fs/inode.c:1680 do_unlinkat+0x2e9/0x4f0 fs/namei.c:4103 __do_sys_unlink fs/namei.c:4143 [inline] __se_sys_unlink fs/namei.c:4141 [inline] __x64_sys_unlink+0x2c/0x30 fs/namei.c:4141 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff88810c3b7678 of 8 bytes by task 24768 on cpu 0: inode_is_dirtytime_only include/linux/fs.h:2286 [inline] __ext4_update_other_inode_time+0x45/0x550 fs/ext4/inode.c:4965 ext4_update_other_inodes_time fs/ext4/inode.c:5008 [inline] ext4_do_update_inode fs/ext4/inode.c:5137 [inline] ext4_mark_iloc_dirty+0x1286/0x1700 fs/ext4/inode.c:5726 __ext4_mark_inode_dirty+0x4db/0x5e0 fs/ext4/inode.c:5920 ext4_ext_tree_init+0x7e/0x90 fs/ext4/extents.c:828 __ext4_new_inode+0x29ff/0x2fe0 fs/ext4/ialloc.c:1327 ext4_symlink+0x2d1/0x780 fs/ext4/namei.c:3347 vfs_symlink+0xbe/0x170 fs/namei.c:4176 do_symlinkat+0x11e/0x2b0 fs/namei.c:4206 __do_sys_symlink fs/namei.c:4227 [inline] __se_sys_symlink fs/namei.c:4225 [inline] __x64_sys_symlink+0x32/0x40 fs/namei.c:4225 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 24768 Comm: syz-executor.2 Tainted: G W 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================