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BUG: KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_journal_get_write_access

write to 0xffff8881039e7800 of 8 bytes by task 4840 on cpu 0:
 jbd2_journal_commit_transaction+0x2982/0x32b0 fs/jbd2/commit.c:1181
 kjournald2+0x263/0x480 fs/jbd2/journal.c:213
 kthread+0x20b/0x230 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296

read to 0xffff8881039e7800 of 8 bytes by task 8410 on cpu 1:
 is_journal_aborted include/linux/jbd2.h:1647 [inline]
 is_handle_aborted include/linux/jbd2.h:1654 [inline]
 jbd2_journal_get_write_access+0x60/0x1c0 fs/jbd2/transaction.c:1201
 __ext4_journal_get_write_access+0x17e/0x2c0 fs/ext4/ext4_jbd2.c:231
 ext4_reserve_inode_write+0x144/0x1f0 fs/ext4/inode.c:5747
 __ext4_mark_inode_dirty+0x6f/0x5e0 fs/ext4/inode.c:5911
 ext4_dirty_inode+0xa6/0xc0 fs/ext4/inode.c:5955
 __mark_inode_dirty+0x72/0x6b0 fs/fs-writeback.c:2262
 mark_inode_dirty_sync include/linux/fs.h:2186 [inline]
 dquot_free_space include/linux/quotaops.h:382 [inline]
 dquot_free_block include/linux/quotaops.h:392 [inline]
 ext4_free_blocks+0x14c4/0x1bd0 fs/ext4/mballoc.c:5472
 ext4_remove_blocks+0x7fb/0xa10 fs/ext4/extents.c:2498
 ext4_ext_rm_leaf+0x666/0xe40 fs/ext4/extents.c:2664
 ext4_ext_remove_space+0x936/0x1400 fs/ext4/extents.c:2912
 ext4_ext_truncate+0xf9/0x160 fs/ext4/extents.c:4370
 ext4_truncate+0x844/0xbd0 fs/ext4/inode.c:4263
 ext4_evict_inode+0xabe/0xef0 fs/ext4/inode.c:287
 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
 d_delete+0x78/0xa0 fs/dcache.c:2477
 vfs_rmdir+0x284/0x2a0 fs/namei.c:3729
 do_rmdir+0x16e/0x300 fs/namei.c:3776
 __do_sys_rmdir fs/namei.c:3794 [inline]
 __se_sys_rmdir fs/namei.c:3792 [inline]
 __x64_sys_rmdir+0x2c/0x30 fs/namei.c:3792
 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: 8410 Comm: syz-executor.4 Not tainted 5.11.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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