================================================================== BUG: KCSAN: data-race in __ext4_update_other_inode_time / inode_io_list_del write to 0xffff888104b623f0 of 8 bytes by task 499 on cpu 0: inode_io_list_del+0xdc/0x2b0 fs/fs-writeback.c:1273 evict+0xac/0x3c0 fs/inode.c:575 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 0xffff888104b623f0 of 8 bytes by task 12675 on cpu 1: 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_new_inode+0x2ae2/0x2fd0 fs/ext4/ialloc.c:1343 ext4_symlink+0x2cc/0x700 fs/ext4/namei.c:3293 vfs_symlink+0x23f/0x350 fs/namei.c:4250 do_symlinkat+0x104/0x380 fs/namei.c:4279 __do_sys_symlink fs/namei.c:4301 [inline] __se_sys_symlink fs/namei.c:4299 [inline] __x64_sys_symlink+0x52/0x60 fs/namei.c:4299 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: 1 PID: 12675 Comm: syz-executor.5 Not tainted 5.15.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================