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BUG: KCSAN: data-race in fuse_dev_do_read / fuse_queue_forget

write to 0xffff88802f14a6a0 of 8 bytes by task 17550 on cpu 0:
 fuse_queue_forget+0x77/0xd0 fs/fuse/dev.c:246
 fuse_evict_inode+0x139/0x200 fs/fuse/inode.c:130
 evict+0x19f/0x470 fs/inode.c:578
 iput_final fs/inode.c:1654 [inline]
 iput+0x421/0x510 fs/inode.c:1680
 dentry_unlink_inode+0x1f3/0x210 fs/dcache.c:374
 __dentry_kill+0x28b/0x450 fs/dcache.c:579
 dentry_kill fs/dcache.c:692 [inline]
 dput+0x203/0x420 fs/dcache.c:878
 __lookup_slow+0x139/0x250 fs/namei.c:1537
 lookup_slow fs/namei.c:1561 [inline]
 walk_component+0x2a5/0x350 fs/namei.c:1861
 lookup_last fs/namei.c:2310 [inline]
 path_lookupat+0x11d/0x550 fs/namei.c:2334
 do_o_path fs/namei.c:3340 [inline]
 path_openat+0x1ae7/0x20a0 fs/namei.c:3362
 do_filp_open+0xbd/0x1d0 fs/namei.c:3396
 do_sys_openat2+0xa3/0x240 fs/open.c:1168
 do_sys_open fs/open.c:1184 [inline]
 __do_sys_openat fs/open.c:1200 [inline]
 __se_sys_openat fs/open.c:1195 [inline]
 __x64_sys_openat+0xef/0x110 fs/open.c:1195
 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

read to 0xffff88802f14a6a0 of 8 bytes by task 17538 on cpu 1:
 forget_pending fs/fuse/dev.c:1024 [inline]
 request_pending fs/fuse/dev.c:1030 [inline]
 fuse_dev_do_read+0x463/0xe70 fs/fuse/dev.c:1235
 fuse_dev_read+0xa2/0xe0 fs/fuse/dev.c:1350
 call_read_iter include/linux/fs.h:1897 [inline]
 new_sync_read fs/read_write.c:415 [inline]
 vfs_read+0x552/0x5c0 fs/read_write.c:496
 ksys_read+0xce/0x180 fs/read_write.c:634
 __do_sys_read fs/read_write.c:644 [inline]
 __se_sys_read fs/read_write.c:642 [inline]
 __x64_sys_read+0x3e/0x50 fs/read_write.c:642
 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 17538 Comm: syz-executor.5 Not tainted 5.10.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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