================================================================== BUG: KCSAN: data-race in __ext4_update_other_inode_time / inode_io_list_del write to 0xffff888101793808 of 8 bytes by task 18694 on cpu 1: inode_io_list_del_locked fs/fs-writeback.c:148 [inline] inode_io_list_del+0x10c/0x2f0 fs/fs-writeback.c:1127 evict+0xac/0x3c0 fs/inode.c:571 iput_final fs/inode.c:1660 [inline] iput+0x433/0x590 fs/inode.c:1686 do_unlinkat+0x293/0x4f0 fs/namei.c:4099 __do_sys_unlink fs/namei.c:4139 [inline] __se_sys_unlink fs/namei.c:4137 [inline] __x64_sys_unlink+0x2c/0x30 fs/namei.c:4137 do_syscall_64+0x4a/0x90 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff888101793808 of 8 bytes by task 5605 on cpu 0: inode_is_dirtytime_only include/linux/fs.h:2423 [inline] __ext4_update_other_inode_time+0x48/0x5c0 fs/ext4/inode.c:4963 ext4_update_other_inodes_time fs/ext4/inode.c:5006 [inline] ext4_do_update_inode fs/ext4/inode.c:5135 [inline] ext4_mark_iloc_dirty+0x12b6/0x1750 fs/ext4/inode.c:5724 __ext4_mark_inode_dirty+0x4db/0x5b0 fs/ext4/inode.c:5918 ext4_dirty_inode+0x86/0xa0 fs/ext4/inode.c:5947 __mark_inode_dirty+0x77/0x6c0 fs/fs-writeback.c:2274 mark_inode_dirty include/linux/fs.h:2404 [inline] dquot_alloc_space include/linux/quotaops.h:317 [inline] dquot_alloc_block include/linux/quotaops.h:334 [inline] ext4_mb_new_blocks+0x116b/0x1f90 fs/ext4/mballoc.c:5476 ext4_ext_map_blocks+0x1569/0x1f00 fs/ext4/extents.c:4241 ext4_map_blocks+0x70d/0xef0 fs/ext4/inode.c:638 ext4_getblk+0xb1/0x3d0 fs/ext4/inode.c:848 ext4_bread+0x28/0x130 fs/ext4/inode.c:900 ext4_append+0xd1/0x1c0 fs/ext4/namei.c:67 ext4_init_new_dir+0x177/0x500 fs/ext4/namei.c:2885 ext4_mkdir+0x329/0x760 fs/ext4/namei.c:2931 vfs_mkdir+0x2a4/0x370 fs/namei.c:3813 do_mkdirat+0x11d/0x200 fs/namei.c:3838 __do_sys_mkdir fs/namei.c:3856 [inline] __se_sys_mkdir fs/namei.c:3854 [inline] __x64_sys_mkdir+0x32/0x40 fs/namei.c:3854 do_syscall_64+0x4a/0x90 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae value changed: 0x0000000000000800 -> 0x0000000000000060 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 5605 Comm: syz-executor.4 Tainted: G W 5.13.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ================================================================== tmpfs: Bad value for 'nr_inodes' tmpfs: Bad value for 'nr_inodes'