Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in writeback_sb_inodes / xas_set_mark (2) fs mm | 1 | 761d | 761d | 0/26 | auto-closed as invalid on 2022/04/30 05:08 |
syzbot |
sign-in | mailing list | source | docs |
🐞 Open [985] ≡ Subsystems 🐞 Fixed [5238] 🐞 Invalid [12509] ⬇ Missing Backports [83] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes | 💬 Send us feedback |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in writeback_sb_inodes / xas_set_mark (2) fs mm | 1 | 761d | 761d | 0/26 | auto-closed as invalid on 2022/04/30 05:08 |
================================================================== BUG: KCSAN: data-race in writeback_sb_inodes / xas_set_mark write to 0xffff8880b241589c of 4 bytes by task 22781 on cpu 1: xa_mark_set lib/xarray.c:69 [inline] xas_set_mark lib/xarray.c:886 [inline] xas_set_mark+0x140/0x150 lib/xarray.c:870 __xa_set_mark+0xdd/0x110 lib/xarray.c:1706 __set_page_dirty+0x151/0x270 fs/buffer.c:624 mark_buffer_dirty+0x26e/0x2b0 fs/buffer.c:1152 __block_commit_write.isra.0+0x11d/0x170 fs/buffer.c:2081 block_write_end+0x6d/0x140 fs/buffer.c:2159 generic_write_end+0x8c/0x1f0 fs/buffer.c:2173 ext4_da_write_end+0x162/0x670 fs/ext4/inode.c:3092 generic_perform_write+0x1d7/0x320 mm/filemap.c:3298 ext4_buffered_write_iter+0x14e/0x280 fs/ext4/file.c:270 ext4_file_write_iter+0xf4/0xd30 fs/ext4/file.c:642 call_write_iter include/linux/fs.h:1901 [inline] new_sync_write+0x303/0x400 fs/read_write.c:483 __vfs_write+0x9e/0xb0 fs/read_write.c:496 vfs_write fs/read_write.c:558 [inline] vfs_write+0x189/0x380 fs/read_write.c:542 ksys_write+0xc5/0x1a0 fs/read_write.c:611 __do_sys_write fs/read_write.c:623 [inline] __se_sys_write fs/read_write.c:620 [inline] __x64_sys_write+0x49/0x60 fs/read_write.c:620 do_syscall_64+0xc7/0x390 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff8880b241589c of 4 bytes by task 21895 on cpu 0: mapping_tagged include/linux/fs.h:521 [inline] requeue_inode fs/fs-writeback.c:1401 [inline] writeback_sb_inodes+0x6c9/0xa10 fs/fs-writeback.c:1743 __writeback_inodes_wb+0xe9/0x1b0 fs/fs-writeback.c:1785 wb_writeback+0x557/0x6a0 fs/fs-writeback.c:1894 wb_check_background_flush fs/fs-writeback.c:1962 [inline] wb_do_writeback fs/fs-writeback.c:2050 [inline] wb_workfn+0x66b/0x970 fs/fs-writeback.c:2078 process_one_work+0x424/0x930 kernel/workqueue.c:2264 worker_thread+0x9a/0x7e0 kernel/workqueue.c:2410 kthread+0x1cb/0x1f0 kernel/kthread.c:255 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:352 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 21895 Comm: kworker/u4:4 Not tainted 5.6.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: writeback wb_workfn (flush-8:0) ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2020/04/03 04:34 | https://github.com/google/ktsan.git kcsan | 40959e34d670 | a34e2c33 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/03/26 07:06 | https://github.com/google/ktsan.git kcsan | 40959e34d670 | e8e6c7d2 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/02/26 14:42 | https://github.com/google/ktsan.git kcsan | 766d004d1b85 | 251aabb7 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/02/16 11:53 | https://github.com/google/ktsan.git kcsan | b12d66a6c34f | cf914200 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/02/16 05:51 | https://github.com/google/ktsan.git kcsan | b12d66a6c34f | 5d7b90f1 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/01/25 14:25 | https://github.com/google/ktsan.git kcsan | 245a43005292 | 2e95ab33 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/01/19 13:47 | https://github.com/google/ktsan.git kcsan | 245a43005292 | bc8bc756 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/01/09 04:11 | https://github.com/google/ktsan.git kcsan | 245a43005292 | ddc3e859 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/01/01 06:40 | https://github.com/google/ktsan.git kcsan | 245a43005292 | 25a0186e | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/12/30 05:04 | https://github.com/google/ktsan.git kcsan | 245a43005292 | af6b8ef8 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/12/25 01:23 | https://github.com/google/ktsan.git kcsan | 245a43005292 | be5c2c81 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/12/18 01:43 | https://github.com/google/ktsan.git kcsan | 245a43005292 | 1af3875f | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/12/17 11:23 | https://github.com/google/ktsan.git kcsan | 245a43005292 | d13d7958 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/12/15 19:37 | https://github.com/google/ktsan.git kcsan | 245a43005292 | eef6e580 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/12/09 12:13 | https://github.com/google/ktsan.git kcsan | ef798c30ba4e | 1508f453 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/11/23 14:47 | https://github.com/google/ktsan.git kcsan | 5863cc791e4c | 598ca6c8 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/11/21 07:16 | https://github.com/google/ktsan.git kcsan | 5863cc791e4c | 8098ea0f | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/11/20 06:23 | https://github.com/google/ktsan.git kcsan | 5863cc791e4c | 432c7650 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/11/18 10:11 | https://github.com/google/ktsan.git kcsan | 5863cc791e4c | d5696d51 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/11/10 10:23 | https://github.com/google/ktsan.git kcsan | 94c006602e13 | dc438b91 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/11/08 11:54 | https://github.com/google/ktsan.git kcsan | 94c006602e13 | 1e35461e | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/11/07 03:40 | https://github.com/google/ktsan.git kcsan | 94c006602e13 | d797d201 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/11/03 18:59 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | c9610487 | .config | console log | report | ci2-upstream-kcsan-gce |