==================================================================
BUG: KCSAN: data-race in ext4_ext_insert_extent / ext4_mark_iloc_dirty

write to 0xffff888104adaaf2 of 2 bytes by task 6794 on cpu 0:
 ext4_ext_store_pblock fs/ext4/ext4_extents.h:257 [inline]
 ext4_ext_insert_extent+0x1b1d/0x2d90 fs/ext4/extents.c:2124
 ext4_ext_map_blocks+0x1714/0x1ff0 fs/ext4/extents.c:4271
 ext4_map_blocks+0x71e/0xf00 fs/ext4/inode.c:637
 ext4_iomap_alloc fs/ext4/inode.c:3368 [inline]
 ext4_iomap_begin+0x4b0/0x630 fs/ext4/inode.c:3418
 iomap_iter+0x39c/0x470 fs/iomap/iter.c:74
 __iomap_dio_rw+0x698/0x1010 fs/iomap/direct-io.c:568
 iomap_dio_rw+0x30/0x70 fs/iomap/direct-io.c:649
 ext4_dio_write_iter fs/ext4/file.c:568 [inline]
 ext4_file_write_iter+0xa59/0x11f0 fs/ext4/file.c:678
 call_write_iter include/linux/fs.h:2163 [inline]
 io_write fs/io_uring.c:3641 [inline]
 io_issue_sqe+0x1c82/0x67b0 fs/io_uring.c:6659
 io_wq_submit_work+0xf5/0x2c0 fs/io_uring.c:6803
 io_worker_handle_work+0x788/0xa20 fs/io-wq.c:515
 io_wqe_worker+0x1b9/0x540 fs/io-wq.c:566
 ret_from_fork+0x1f/0x30

read to 0xffff888104adaaf0 of 4 bytes by task 6803 on cpu 1:
 ext4_do_update_inode fs/ext4/inode.c:5059 [inline]
 ext4_mark_iloc_dirty+0xcc8/0x1700 fs/ext4/inode.c:5683
 ext4_orphan_del+0x593/0x730 fs/ext4/orphan.c:297
 ext4_truncate+0x8b6/0xa80 fs/ext4/inode.c:4224
 ext4_truncate_failed_write fs/ext4/truncate.h:22 [inline]
 ext4_handle_inode_extension fs/ext4/file.c:358 [inline]
 ext4_dio_write_iter fs/ext4/file.c:574 [inline]
 ext4_file_write_iter+0xcf4/0x11f0 fs/ext4/file.c:678
 call_write_iter include/linux/fs.h:2163 [inline]
 io_write fs/io_uring.c:3641 [inline]
 io_issue_sqe+0x1c82/0x67b0 fs/io_uring.c:6659
 io_wq_submit_work+0xf5/0x2c0 fs/io_uring.c:6803
 io_worker_handle_work+0x788/0xa20 fs/io-wq.c:515
 io_wqe_worker+0x1b9/0x540 fs/io-wq.c:566
 ret_from_fork+0x1f/0x30

value changed: 0x00000000 -> 0x00000001

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 6803 Comm: iou-wrk-6802 Not tainted 5.15.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
==================================================================
==================================================================
BUG: KCSAN: data-race in ext4_mark_iloc_dirty / ext4_orphan_del

write to 0xffff888104a0a6ac of 4 bytes by task 6794 on cpu 1:
 ext4_orphan_del+0x579/0x730 fs/ext4/orphan.c:296
 ext4_truncate+0x8b6/0xa80 fs/ext4/inode.c:4224
 ext4_truncate_failed_write fs/ext4/truncate.h:22 [inline]
 ext4_handle_inode_extension fs/ext4/file.c:358 [inline]
 ext4_dio_write_iter fs/ext4/file.c:574 [inline]
 ext4_file_write_iter+0xcf4/0x11f0 fs/ext4/file.c:678
 call_write_iter include/linux/fs.h:2163 [inline]
 io_write fs/io_uring.c:3641 [inline]
 io_issue_sqe+0x1c82/0x67b0 fs/io_uring.c:6659
 io_wq_submit_work+0xf5/0x2c0 fs/io_uring.c:6803
 io_worker_handle_work+0x788/0xa20 fs/io-wq.c:515
 io_wqe_worker+0x1b9/0x540 fs/io-wq.c:566
 ret_from_fork+0x1f/0x30

read to 0xffff888104a0a6ac of 4 bytes by task 6803 on cpu 0:
 ext4_do_update_inode fs/ext4/inode.c:5007 [inline]
 ext4_mark_iloc_dirty+0x3e6/0x1700 fs/ext4/inode.c:5683
 __ext4_mark_inode_dirty+0x4ec/0x5c0 fs/ext4/inode.c:5879
 __ext4_ext_dirty fs/ext4/extents.c:170 [inline]
 ext4_ext_insert_extent+0x1dfa/0x2d90 fs/ext4/extents.c:2138
 ext4_ext_map_blocks+0x1714/0x1ff0 fs/ext4/extents.c:4271
 ext4_map_blocks+0x71e/0xf00 fs/ext4/inode.c:637
 ext4_iomap_alloc fs/ext4/inode.c:3368 [inline]
 ext4_iomap_begin+0x4b0/0x630 fs/ext4/inode.c:3418
 iomap_iter+0x39c/0x470 fs/iomap/iter.c:74
 __iomap_dio_rw+0x698/0x1010 fs/iomap/direct-io.c:568
 iomap_dio_rw+0x30/0x70 fs/iomap/direct-io.c:649
 ext4_dio_write_iter fs/ext4/file.c:568 [inline]
 ext4_file_write_iter+0xa59/0x11f0 fs/ext4/file.c:678
 call_write_iter include/linux/fs.h:2163 [inline]
 io_write fs/io_uring.c:3641 [inline]
 io_issue_sqe+0x1c82/0x67b0 fs/io_uring.c:6659
 io_wq_submit_work+0xf5/0x2c0 fs/io_uring.c:6803
 io_worker_handle_work+0x788/0xa20 fs/io-wq.c:515
 io_wqe_worker+0x1b9/0x540 fs/io-wq.c:566
 ret_from_fork+0x1f/0x30

value changed: 0x000004ac -> 0x0000048d

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 6803 Comm: iou-wrk-6802 Not tainted 5.15.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
==================================================================
==================================================================
BUG: KCSAN: data-race in ext4_ext_rm_leaf / ext4_mark_iloc_dirty

write to 0xffff888104adaaf0 of 8 bytes by task 6794 on cpu 1:
 ext4_ext_store_pblock fs/ext4/ext4_extents.h:257 [inline]
 ext4_ext_rm_leaf+0x6c9/0xd40 fs/ext4/extents.c:2678
 ext4_ext_remove_space+0x8f6/0x12b0 fs/ext4/extents.c:2920
 ext4_ext_truncate+0xfe/0x170 fs/ext4/extents.c:4382
 ext4_truncate+0x76e/0xa80 fs/ext4/inode.c:4204
 ext4_truncate_failed_write fs/ext4/truncate.h:22 [inline]
 ext4_handle_inode_extension fs/ext4/file.c:358 [inline]
 ext4_dio_write_iter fs/ext4/file.c:574 [inline]
 ext4_file_write_iter+0xcf4/0x11f0 fs/ext4/file.c:678
 call_write_iter include/linux/fs.h:2163 [inline]
 io_write fs/io_uring.c:3641 [inline]
 io_issue_sqe+0x1c82/0x67b0 fs/io_uring.c:6659
 io_wq_submit_work+0xf5/0x2c0 fs/io_uring.c:6803
 io_worker_handle_work+0x788/0xa20 fs/io-wq.c:515
 io_wqe_worker+0x1b9/0x540 fs/io-wq.c:566
 ret_from_fork+0x1f/0x30

read to 0xffff888104adaaf0 of 4 bytes by task 6803 on cpu 0:
 ext4_do_update_inode fs/ext4/inode.c:5059 [inline]
 ext4_mark_iloc_dirty+0xcc8/0x1700 fs/ext4/inode.c:5683
 ext4_orphan_del+0x593/0x730 fs/ext4/orphan.c:297
 ext4_truncate+0x8b6/0xa80 fs/ext4/inode.c:4224
 ext4_truncate_failed_write fs/ext4/truncate.h:22 [inline]
 ext4_handle_inode_extension fs/ext4/file.c:358 [inline]
 ext4_dio_write_iter fs/ext4/file.c:574 [inline]
 ext4_file_write_iter+0xcf4/0x11f0 fs/ext4/file.c:678
 call_write_iter include/linux/fs.h:2163 [inline]
 io_write fs/io_uring.c:3641 [inline]
 io_issue_sqe+0x1c82/0x67b0 fs/io_uring.c:6659
 io_wq_submit_work+0xf5/0x2c0 fs/io_uring.c:6803
 io_worker_handle_work+0x788/0xa20 fs/io-wq.c:515
 io_wqe_worker+0x1b9/0x540 fs/io-wq.c:566
 ret_from_fork+0x1f/0x30

value changed: 0x00000001 -> 0x00000000

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 6803 Comm: iou-wrk-6802 Not tainted 5.15.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
==================================================================
==================================================================
BUG: KCSAN: data-race in ext4_mark_iloc_dirty / ext4_orphan_del

write to 0xffff888104a0a6ac of 4 bytes by task 6794 on cpu 0:
 ext4_orphan_del+0x579/0x730 fs/ext4/orphan.c:296
 ext4_truncate+0x8b6/0xa80 fs/ext4/inode.c:4224
 ext4_truncate_failed_write fs/ext4/truncate.h:22 [inline]
 ext4_handle_inode_extension fs/ext4/file.c:358 [inline]
 ext4_dio_write_iter fs/ext4/file.c:574 [inline]
 ext4_file_write_iter+0xcf4/0x11f0 fs/ext4/file.c:678
 call_write_iter include/linux/fs.h:2163 [inline]
 io_write fs/io_uring.c:3641 [inline]
 io_issue_sqe+0x1c82/0x67b0 fs/io_uring.c:6659
 io_wq_submit_work+0xf5/0x2c0 fs/io_uring.c:6803
 io_worker_handle_work+0x788/0xa20 fs/io-wq.c:515
 io_wqe_worker+0x1b9/0x540 fs/io-wq.c:566
 ret_from_fork+0x1f/0x30

read to 0xffff888104a0a6ac of 4 bytes by task 6803 on cpu 1:
 ext4_do_update_inode fs/ext4/inode.c:5029 [inline]
 ext4_mark_iloc_dirty+0x87c/0x1700 fs/ext4/inode.c:5683
 ext4_orphan_add+0x82e/0xa40 fs/ext4/orphan.c:168
 ext4_dio_write_iter fs/ext4/file.c:556 [inline]
 ext4_file_write_iter+0x9b3/0x11f0 fs/ext4/file.c:678
 call_write_iter include/linux/fs.h:2163 [inline]
 io_write fs/io_uring.c:3641 [inline]
 io_issue_sqe+0x1c82/0x67b0 fs/io_uring.c:6659
 io_wq_submit_work+0xf5/0x2c0 fs/io_uring.c:6803
 io_worker_handle_work+0x788/0xa20 fs/io-wq.c:515
 io_wqe_worker+0x1b9/0x540 fs/io-wq.c:566
 ret_from_fork+0x1f/0x30

value changed: 0x000004ac -> 0x0000048d

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 6803 Comm: iou-wrk-6802 Not tainted 5.15.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
==================================================================
==================================================================
BUG: KCSAN: data-race in ext4_ext_rm_leaf / ext4_mark_iloc_dirty

write to 0xffff888104adaaf0 of 8 bytes by task 6794 on cpu 1:
 ext4_ext_store_pblock fs/ext4/ext4_extents.h:257 [inline]
 ext4_ext_rm_leaf+0x6c9/0xd40 fs/ext4/extents.c:2678
 ext4_ext_remove_space+0x8f6/0x12b0 fs/ext4/extents.c:2920
 ext4_ext_truncate+0xfe/0x170 fs/ext4/extents.c:4382
 ext4_truncate+0x76e/0xa80 fs/ext4/inode.c:4204
 ext4_truncate_failed_write fs/ext4/truncate.h:22 [inline]
 ext4_handle_inode_extension fs/ext4/file.c:358 [inline]
 ext4_dio_write_iter fs/ext4/file.c:574 [inline]
 ext4_file_write_iter+0xcf4/0x11f0 fs/ext4/file.c:678
 call_write_iter include/linux/fs.h:2163 [inline]
 io_write fs/io_uring.c:3641 [inline]
 io_issue_sqe+0x1c82/0x67b0 fs/io_uring.c:6659
 io_wq_submit_work+0xf5/0x2c0 fs/io_uring.c:6803
 io_worker_handle_work+0x788/0xa20 fs/io-wq.c:515
 io_wqe_worker+0x1b9/0x540 fs/io-wq.c:566
 ret_from_fork+0x1f/0x30

read to 0xffff888104adaaf4 of 4 bytes by task 6803 on cpu 0:
 ext4_do_update_inode fs/ext4/inode.c:5059 [inline]
 ext4_mark_iloc_dirty+0xce1/0x1700 fs/ext4/inode.c:5683
 ext4_orphan_del+0x593/0x730 fs/ext4/orphan.c:297
 ext4_truncate+0x8b6/0xa80 fs/ext4/inode.c:4224
 ext4_truncate_failed_write fs/ext4/truncate.h:22 [inline]
 ext4_handle_inode_extension fs/ext4/file.c:358 [inline]
 ext4_dio_write_iter fs/ext4/file.c:574 [inline]
 ext4_file_write_iter+0xcf4/0x11f0 fs/ext4/file.c:678
 call_write_iter include/linux/fs.h:2163 [inline]
 io_write fs/io_uring.c:3641 [inline]
 io_issue_sqe+0x1c82/0x67b0 fs/io_uring.c:6659
 io_wq_submit_work+0xf5/0x2c0 fs/io_uring.c:6803
 io_worker_handle_work+0x788/0xa20 fs/io-wq.c:515
 io_wqe_worker+0x1b9/0x540 fs/io-wq.c:566
 ret_from_fork+0x1f/0x30

value changed: 0x0000d9e9 -> 0x00000000

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 6803 Comm: iou-wrk-6802 Not tainted 5.15.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
==================================================================
==================================================================
BUG: KCSAN: data-race in ext4_mark_iloc_dirty / ext4_orphan_del

write to 0xffff888104a0a6ac of 4 bytes by task 6794 on cpu 1:
 ext4_orphan_del+0x579/0x730 fs/ext4/orphan.c:296
 ext4_truncate+0x8b6/0xa80 fs/ext4/inode.c:4224
 ext4_truncate_failed_write fs/ext4/truncate.h:22 [inline]
 ext4_handle_inode_extension fs/ext4/file.c:358 [inline]
 ext4_dio_write_iter fs/ext4/file.c:574 [inline]
 ext4_file_write_iter+0xcf4/0x11f0 fs/ext4/file.c:678
 call_write_iter include/linux/fs.h:2163 [inline]
 io_write fs/io_uring.c:3641 [inline]
 io_issue_sqe+0x1c82/0x67b0 fs/io_uring.c:6659
 io_wq_submit_work+0xf5/0x2c0 fs/io_uring.c:6803
 io_worker_handle_work+0x788/0xa20 fs/io-wq.c:515
 io_wqe_worker+0x1b9/0x540 fs/io-wq.c:566
 ret_from_fork+0x1f/0x30

read to 0xffff888104a0a6ac of 4 bytes by task 6803 on cpu 0:
 ext4_do_update_inode fs/ext4/inode.c:5007 [inline]
 ext4_mark_iloc_dirty+0x3e6/0x1700 fs/ext4/inode.c:5683
 __ext4_mark_inode_dirty+0x4ec/0x5c0 fs/ext4/inode.c:5879
 ext4_dirty_inode+0x86/0xa0 fs/ext4/inode.c:5908
 __mark_inode_dirty+0x77/0x6a0 fs/fs-writeback.c:2398
 mark_inode_dirty_sync include/linux/fs.h:2457 [inline]
 dquot_free_space include/linux/quotaops.h:382 [inline]
 dquot_free_block include/linux/quotaops.h:392 [inline]
 ext4_free_blocks+0x166e/0x1c20 fs/ext4/mballoc.c:6084
 ext4_remove_blocks+0x61a/0x800 fs/ext4/extents.c:2506
 ext4_ext_rm_leaf+0x684/0xd40 fs/ext4/extents.c:2672
 ext4_ext_remove_space+0x8f6/0x12b0 fs/ext4/extents.c:2920
 ext4_ext_truncate+0xfe/0x170 fs/ext4/extents.c:4382
 ext4_truncate+0x76e/0xa80 fs/ext4/inode.c:4204
 ext4_truncate_failed_write fs/ext4/truncate.h:22 [inline]
 ext4_handle_inode_extension fs/ext4/file.c:358 [inline]
 ext4_dio_write_iter fs/ext4/file.c:574 [inline]
 ext4_file_write_iter+0xcf4/0x11f0 fs/ext4/file.c:678
 call_write_iter include/linux/fs.h:2163 [inline]
 io_write fs/io_uring.c:3641 [inline]
 io_issue_sqe+0x1c82/0x67b0 fs/io_uring.c:6659
 io_wq_submit_work+0xf5/0x2c0 fs/io_uring.c:6803
 io_worker_handle_work+0x788/0xa20 fs/io-wq.c:515
 io_wqe_worker+0x1b9/0x540 fs/io-wq.c:566
 ret_from_fork+0x1f/0x30

value changed: 0x000004ac -> 0x0000048d

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 6803 Comm: iou-wrk-6802 Not tainted 5.15.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
==================================================================
iou-wrk-6802 (6803) used greatest stack depth: 9904 bytes left