Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in filemap_flush / xas_set_mark fs mm | 5 | 1063d | 1095d | 0/26 | auto-closed as invalid on 2021/07/03 02:34 |
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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in filemap_flush / xas_set_mark fs mm | 5 | 1063d | 1095d | 0/26 | auto-closed as invalid on 2021/07/03 02:34 |
================================================================== BUG: KCSAN: data-race in filemap_flush / xas_set_mark write to 0xffff88810042fbfc of 4 bytes by task 17077 on cpu 0: xa_mark_set lib/xarray.c:69 [inline] xas_set_mark+0x11e/0x130 lib/xarray.c:889 __folio_start_writeback+0x210/0x490 mm/page-writeback.c:2872 set_page_writeback+0x39/0x50 mm/folio-compat.c:77 __block_write_full_page+0x5cf/0xa10 fs/buffer.c:1804 block_write_full_page+0x1f0/0x210 blkdev_writepage+0x20/0x30 block/fops.c:391 __writepage+0x38/0xd0 mm/page-writeback.c:2320 write_cache_pages+0x454/0x7f0 mm/page-writeback.c:2255 generic_writepages+0x7c/0xc0 mm/page-writeback.c:2346 blkdev_writepages+0x19/0x20 block/fops.c:428 do_writepages+0x1cb/0x330 mm/page-writeback.c:2364 __writeback_single_inode+0x81/0x590 fs/fs-writeback.c:1618 writeback_sb_inodes+0x677/0xdf0 fs/fs-writeback.c:1891 __writeback_inodes_wb+0xb0/0x2b0 fs/fs-writeback.c:1961 wb_writeback+0x280/0x650 fs/fs-writeback.c:2066 wb_check_background_flush fs/fs-writeback.c:2132 [inline] wb_do_writeback+0x51d/0x560 fs/fs-writeback.c:2220 wb_workfn+0xc8/0x440 fs/fs-writeback.c:2248 process_one_work+0x3f6/0x960 kernel/workqueue.c:2307 worker_thread+0x616/0xa70 kernel/workqueue.c:2454 kthread+0x2c7/0x2e0 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 read to 0xffff88810042fbfc of 4 bytes by task 1830 on cpu 1: xa_marked include/linux/xarray.h:418 [inline] mapping_tagged include/linux/fs.h:494 [inline] filemap_fdatawrite_wbc mm/filemap.c:391 [inline] __filemap_fdatawrite_range mm/filemap.c:428 [inline] __filemap_fdatawrite mm/filemap.c:434 [inline] filemap_flush+0xa4/0x100 mm/filemap.c:461 sync_blockdev_nowait+0x32/0x40 block/bdev.c:192 sync_filesystem+0xc9/0x150 fs/sync.c:57 generic_shutdown_super+0x40/0x250 fs/super.c:448 kill_block_super+0x4a/0x90 fs/super.c:1397 deactivate_locked_super+0x6a/0xb0 fs/super.c:335 deactivate_super+0x85/0x90 fs/super.c:366 cleanup_mnt+0x267/0x2d0 fs/namespace.c:1143 __cleanup_mnt+0x15/0x20 fs/namespace.c:1150 task_work_run+0x8e/0x110 kernel/task_work.c:164 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop kernel/entry/common.c:175 [inline] exit_to_user_mode_prepare+0x160/0x190 kernel/entry/common.c:207 __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline] syscall_exit_to_user_mode+0x20/0x40 kernel/entry/common.c:300 do_syscall_64+0x50/0xd0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x44/0xae value changed: 0x02000021 -> 0x04000021 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 1830 Comm: syz-executor.5 Not tainted 5.16.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2022/01/17 04:04 | upstream | 79e06c4c4950 | 723cfaf0 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in filemap_flush / xas_set_mark | |||
2022/01/06 23:56 | upstream | 75acfdb6fd92 | 6acc789a | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in filemap_flush / xas_set_mark | |||
2021/12/18 06:17 | upstream | 9eaa88c7036e | 44068e19 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in filemap_flush / xas_set_mark | |||
2021/12/15 17:47 | upstream | 5472f14a3742 | 572bcb40 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in filemap_flush / xas_set_mark | |||
2021/12/13 12:11 | upstream | 2585cf9dfaad | 0304899b | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in filemap_flush / xas_set_mark | |||
2021/11/28 22:54 | upstream | d06c942efea4 | 63eeac02 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in filemap_flush / xas_set_mark | |||
2021/11/15 14:24 | upstream | 8ab774587903 | 75b04091 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in filemap_flush / xas_set_mark | |||
2021/11/05 18:50 | upstream | fe91c4725aee | 4c1be0be | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in filemap_flush / xas_set_mark | |||
2021/10/24 21:43 | upstream | 9c0c4d24ac00 | 282f03fb | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in filemap_flush / xas_set_mark | |||
2021/10/14 23:32 | upstream | 26d657410983 | 7aa5fe41 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in filemap_flush / xas_set_mark | |||
2021/10/05 03:30 | upstream | 84b3e42564ac | ce697b49 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in filemap_flush / xas_set_mark | |||
2021/10/02 23:13 | upstream | ab2a7a35c4e7 | db0f5787 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in filemap_flush / xas_set_mark | |||
2021/09/25 01:17 | upstream | 7d42e9818258 | 8cac236e | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in filemap_flush / xas_set_mark | |||
2021/09/22 18:18 | upstream | cf1d2c3e7e2f | 8cac236e | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in filemap_flush / xas_set_mark | |||
2021/09/13 12:16 | upstream | 6880fa6c5660 | 3ce60af8 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in filemap_flush / xas_set_mark | |||
2021/09/02 10:26 | upstream | 4ac6d90867a4 | d0f0970b | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in filemap_flush / xas_set_mark | |||
2021/08/10 05:14 | upstream | 9a73fa375d58 | 6972b106 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in filemap_flush / xas_set_mark | |||
2021/07/23 22:48 | upstream | 8baef6386baa | bc5f1d88 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in filemap_flush / xas_set_mark | |||
2021/07/12 06:57 | upstream | e73f0f0ee754 | a4869c92 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in filemap_flush / xas_set_mark | |||
2021/07/11 08:16 | upstream | 3dbdb38e2869 | 8f5a7b8c | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in filemap_flush / xas_set_mark |