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================================================================== BUG: KCSAN: data-race in __delayacct_blkio_end / __delayacct_blkio_start write to 0xffff888101425788 of 8 bytes by task 17013 on cpu 0: __delayacct_blkio_start+0x35/0x40 kernel/delayacct.c:61 delayacct_blkio_start include/linux/delayacct.h:119 [inline] __schedule+0x18c/0x550 kernel/sched/core.c:4485 schedule+0x7f/0xb0 kernel/sched/core.c:4601 io_schedule+0x3b/0x50 kernel/sched/core.c:6295 wait_on_page_bit_common+0x633/0x910 mm/filemap.c:1273 wait_on_page_bit+0x3f/0x50 mm/filemap.c:1334 wait_on_page_writeback+0x72/0x130 mm/page-writeback.c:2837 __filemap_fdatawait_range+0xdd/0x1b0 mm/filemap.c:527 filemap_fdatawait_range mm/filemap.c:554 [inline] filemap_write_and_wait_range+0x119/0x2a0 mm/filemap.c:664 __iomap_dio_rw+0x38c/0x9b0 fs/iomap/direct-io.c:489 iomap_dio_rw+0x30/0x70 fs/iomap/direct-io.c:605 ext4_dio_read_iter fs/ext4/file.c:77 [inline] ext4_file_read_iter+0x3bd/0x420 fs/ext4/file.c:129 call_read_iter include/linux/fs.h:1897 [inline] generic_file_splice_read+0x22a/0x310 fs/splice.c:311 do_splice_to fs/splice.c:788 [inline] splice_direct_to_actor+0x2aa/0x650 fs/splice.c:867 do_splice_direct+0xf5/0x170 fs/splice.c:976 do_sendfile+0x5db/0xca0 fs/read_write.c:1257 __do_sys_sendfile64 fs/read_write.c:1318 [inline] __se_sys_sendfile64 fs/read_write.c:1304 [inline] __x64_sys_sendfile64+0xf2/0x130 fs/read_write.c:1304 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff888101425788 of 8 bytes by task 8 on cpu 1: delayacct_end kernel/delayacct.c:48 [inline] __delayacct_blkio_end+0x70/0xf0 kernel/delayacct.c:82 delayacct_blkio_end include/linux/delayacct.h:125 [inline] try_to_wake_up+0x107/0x470 kernel/sched/core.c:2892 wake_page_function+0xd9/0x200 mm/filemap.c:1080 __wake_up_common+0xbc/0x130 kernel/sched/wait.c:93 wake_up_page_bit+0xa4/0x190 mm/filemap.c:1113 wake_up_page mm/filemap.c:1154 [inline] end_page_writeback+0xeb/0x110 mm/filemap.c:1491 ext4_finish_bio+0x429/0x490 fs/ext4/page-io.c:146 ext4_release_io_end+0x98/0x200 fs/ext4/page-io.c:161 ext4_end_io_end fs/ext4/page-io.c:195 [inline] ext4_do_flush_completed_IO fs/ext4/page-io.c:260 [inline] ext4_end_io_rsv_work+0x306/0x360 fs/ext4/page-io.c:274 process_one_work+0x3e1/0x950 kernel/workqueue.c:2272 worker_thread+0x635/0xb90 kernel/workqueue.c:2418 kthread+0x1fa/0x220 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted 5.10.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: ext4-rsv-conversion ext4_end_io_rsv_work ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2020/11/23 01:08 | upstream | 68d3fa235fd8 | 0d27f508 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/22 00:30 | upstream | a349e4c65960 | 0d27f508 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/21 11:13 | upstream | 27bba9c532a8 | c7ec2d19 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/21 07:57 | upstream | 27bba9c532a8 | 68068804 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/20 18:34 | upstream | 4d02da974ea8 | 68068804 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/20 11:39 | upstream | 4d02da974ea8 | 0767f13f | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/19 21:23 | upstream | 131ad0b6f529 | 0767f13f | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/19 02:05 | upstream | c2e7554e1b85 | 0767f13f | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/18 18:31 | upstream | 0fa8ee0d9ab9 | 0767f13f | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/18 11:41 | upstream | 0fa8ee0d9ab9 | 09323409 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/17 21:52 | upstream | 111e91a6df50 | 09323409 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/17 10:50 | upstream | 9c87c9f41245 | bd2a760b | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/17 00:32 | upstream | 9c87c9f41245 | 1bf9a662 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/16 10:14 | upstream | 09162bc32c88 | 1bf9a662 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/15 18:41 | upstream | 0062442ecfef | 1bf9a662 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/15 04:19 | upstream | e28c0d7c92c8 | 1bf9a662 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/14 18:17 | upstream | f01c30de86f1 | 1bf9a662 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/14 03:32 | upstream | 9e6a39eae450 | 1bf9a662 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/13 12:34 | upstream | 585e5b17b92d | 4a7fa9b4 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/13 02:14 | upstream | af5043c89a8e | 16fca0c8 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/12 21:05 | upstream | af5043c89a8e | 77a55c8e | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/12 10:54 | upstream | 3d5e28bff7ad | 77a55c8e | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/11 23:41 | upstream | 3d5e28bff7ad | cca87986 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/10 22:18 | upstream | eccc87672492 | cca87986 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/10 09:05 | upstream | 407ab579637c | cca87986 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/09 21:52 | upstream | 3552c3709c0e | cba33199 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/09 09:04 | upstream | f8394f232b1e | cba33199 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/08 20:38 | upstream | 9dbc1c03eeb5 | cba33199 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/08 01:37 | upstream | 4429f14aeea9 | cba33199 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/07 13:27 | upstream | 659caaf65dc9 | cba33199 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/06 23:39 | upstream | bf3e76289cd2 | cba33199 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/05 21:14 | upstream | 521b619acdc8 | cba33199 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/03 23:27 | upstream | 4ef8451b3326 | cba33199 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/03 10:11 | upstream | b7cbaf59f62f | cba33199 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/03 01:07 | upstream | 495023e4e49e | 7f344fa6 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/02 09:50 | upstream | 3cea11cd5e3b | 8bc4594f | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/01 19:12 | upstream | 31f020064f9d | 8bc4594f | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/01 03:16 | upstream | c2dc4c073fb7 | 8bc4594f | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/10/31 11:37 | upstream | 5fc6b075e165 | 8bc4594f | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/10/31 06:16 | upstream | f5d808567a51 | 18e33098 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/10/30 11:52 | upstream | 07e088730245 | a6e3ac3b | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/10/29 19:41 | upstream | 23859ae44402 | a0c7169a | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/10/29 08:22 | upstream | 23859ae44402 | f24824d3 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/10/28 18:37 | upstream | ed8780e3f2ec | f24824d3 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/07/03 11:58 | upstream | cdd3bb54332f | 6e569755 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/06/29 21:16 | upstream | 7c30b859a947 | ce9ef6f2 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/06/18 16:51 | upstream | 1b5044021070 | 3ea11d3f | .config | console log | report | ci2-upstream-kcsan-gce |