BTRFS info (device loop2): read error corrected: ino 0 off 30621696 (dev /dev/loop2 sector 76192)
BTRFS info (device loop2): read error corrected: ino 0 off 30625792 (dev /dev/loop2 sector 76200)
BTRFS info (device loop2): read error corrected: ino 0 off 30629888 (dev /dev/loop2 sector 76208)
BTRFS info (device loop2): read error corrected: ino 0 off 30633984 (dev /dev/loop2 sector 76216)
==================================================================
BUG: KCSAN: data-race in __pagevec_lru_add / lru_add_drain_all

write to 0xffff88813bc27970 of 1 bytes by task 29557 on cpu 0:
 pagevec_reinit include/linux/pagevec.h:60 [inline]
 __pagevec_lru_add+0x24b/0x280 mm/swap.c:1031
 lru_add_drain_cpu+0x6a/0x250 mm/swap.c:616
 lru_add_drain mm/swap.c:720 [inline]
 __pagevec_release+0x5a/0xd0 mm/swap.c:951
 pagevec_release include/linux/pagevec.h:85 [inline]
 shmem_undo_range+0x49c/0x1300 mm/shmem.c:954
 shmem_truncate_range mm/shmem.c:1058 [inline]
 shmem_evict_inode+0x115/0x540 mm/shmem.c:1158
 evict+0x1aa/0x410 fs/inode.c:577
 iput_final fs/inode.c:1653 [inline]
 iput+0x3fd/0x520 fs/inode.c:1679
 dentry_unlink_inode+0x210/0x220 fs/dcache.c:374
 __dentry_kill+0x293/0x450 fs/dcache.c:579
 dentry_kill fs/dcache.c:692 [inline]
 dput+0x208/0x420 fs/dcache.c:885
 do_renameat2+0x5cf/0x900 fs/namei.c:4461
 __do_sys_rename fs/namei.c:4508 [inline]
 __se_sys_rename fs/namei.c:4506 [inline]
 __x64_sys_rename+0x58/0x60 fs/namei.c:4506
 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

read to 0xffff88813bc27970 of 1 bytes by task 9207 on cpu 1:
 pagevec_count include/linux/pagevec.h:65 [inline]
 lru_add_drain_all+0x108/0x3c0 mm/swap.c:823
 invalidate_bdev+0x50/0x70 fs/block_dev.c:96
 btrfs_close_bdev fs/btrfs/volumes.c:1120 [inline]
 btrfs_close_one_device fs/btrfs/volumes.c:1139 [inline]
 close_fs_devices+0x24e/0x430 fs/btrfs/volumes.c:1169
 btrfs_close_devices+0x44/0x210 fs/btrfs/volumes.c:1184
 open_ctree+0x51f/0x21db fs/btrfs/disk-io.c:3466
 btrfs_fill_super fs/btrfs/super.c:1357 [inline]
 btrfs_mount_root+0x742/0x830 fs/btrfs/super.c:1724
 legacy_get_tree+0x70/0xc0 fs/fs_context.c:592
 vfs_get_tree+0x4a/0x1a0 fs/super.c:1496
 fc_mount fs/namespace.c:978 [inline]
 vfs_kern_mount+0xc6/0x130 fs/namespace.c:1008
 btrfs_mount+0x278/0x740 fs/btrfs/super.c:1784
 legacy_get_tree+0x70/0xc0 fs/fs_context.c:592
 vfs_get_tree+0x4a/0x1a0 fs/super.c:1496
 do_new_mount fs/namespace.c:2881 [inline]
 path_mount+0x11b6/0x1ca0 fs/namespace.c:3211
 do_mount fs/namespace.c:3224 [inline]
 __do_sys_mount fs/namespace.c:3432 [inline]
 __se_sys_mount+0x23d/0x2e0 fs/namespace.c:3409
 __x64_sys_mount+0x63/0x70 fs/namespace.c:3409
 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: 9207 Comm: syz-executor.2 Not tainted 5.11.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
==================================================================