Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in wbc_attach_and_unlock_inode / wbc_detach_inode ext4 | 3 | 1642d | 1647d | 0/26 | closed as invalid on 2019/11/19 14:04 |
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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in wbc_attach_and_unlock_inode / wbc_detach_inode ext4 | 3 | 1642d | 1647d | 0/26 | closed as invalid on 2019/11/19 14:04 |
================================================================== BUG: KCSAN: data-race in wbc_attach_and_unlock_inode / wbc_detach_inode read to 0xffff888128cb0268 of 4 bytes by task 14136 on cpu 1: wbc_attach_and_unlock_inode+0x1c7/0x3b0 fs/fs-writeback.c:569 wbc_attach_fdatawrite_inode include/linux/writeback.h:268 [inline] __filemap_fdatawrite_range+0x1b6/0x230 mm/filemap.c:420 file_write_and_wait_range+0xfd/0x160 mm/filemap.c:782 ext4_sync_file+0x266/0xaf0 fs/ext4/fsync.c:153 vfs_fsync_range+0x82/0x150 fs/sync.c:197 generic_write_sync include/linux/fs.h:2856 [inline] ext4_buffered_write_iter+0x222/0x290 fs/ext4/file.c:259 ext4_file_write_iter+0xf4/0xd40 fs/ext4/file.c:547 call_write_iter include/linux/fs.h:1902 [inline] do_iter_readv_writev+0x487/0x5b0 fs/read_write.c:693 do_iter_write fs/read_write.c:970 [inline] do_iter_write+0x13b/0x3c0 fs/read_write.c:951 vfs_iter_write+0x5c/0x80 fs/read_write.c:983 iter_file_splice_write+0x530/0x840 fs/splice.c:760 do_splice_from fs/splice.c:863 [inline] direct_splice_actor+0xa0/0xc0 fs/splice.c:1037 splice_direct_to_actor+0x22b/0x540 fs/splice.c:992 do_splice_direct+0x161/0x1e0 fs/splice.c:1080 do_sendfile+0x384/0x7f0 fs/read_write.c:1464 __do_sys_sendfile64 fs/read_write.c:1519 [inline] __se_sys_sendfile64 fs/read_write.c:1511 [inline] __x64_sys_sendfile64+0xbe/0x140 fs/read_write.c:1511 do_syscall_64+0xcc/0x3a0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x44/0xa9 write to 0xffff888128cb0268 of 4 bytes by task 14138 on cpu 0: wbc_detach_inode+0x24e/0x520 fs/fs-writeback.c:704 __filemap_fdatawrite_range+0x1d4/0x230 mm/filemap.c:422 file_write_and_wait_range+0xfd/0x160 mm/filemap.c:782 ext4_sync_file+0x266/0xaf0 fs/ext4/fsync.c:153 vfs_fsync_range+0x82/0x150 fs/sync.c:197 generic_write_sync include/linux/fs.h:2856 [inline] ext4_buffered_write_iter+0x222/0x290 fs/ext4/file.c:259 ext4_file_write_iter+0xf4/0xd40 fs/ext4/file.c:547 call_write_iter include/linux/fs.h:1902 [inline] do_iter_readv_writev+0x487/0x5b0 fs/read_write.c:693 do_iter_write fs/read_write.c:970 [inline] do_iter_write+0x13b/0x3c0 fs/read_write.c:951 vfs_iter_write+0x5c/0x80 fs/read_write.c:983 iter_file_splice_write+0x530/0x840 fs/splice.c:760 do_splice_from fs/splice.c:863 [inline] direct_splice_actor+0xa0/0xc0 fs/splice.c:1037 splice_direct_to_actor+0x22b/0x540 fs/splice.c:992 do_splice_direct+0x161/0x1e0 fs/splice.c:1080 do_sendfile+0x384/0x7f0 fs/read_write.c:1464 __do_sys_sendfile64 fs/read_write.c:1525 [inline] __se_sys_sendfile64 fs/read_write.c:1511 [inline] __x64_sys_sendfile64+0x12a/0x140 fs/read_write.c:1511 do_syscall_64+0xcc/0x3a0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 14138 Comm: syz-executor.3 Not tainted 5.5.0-rc1-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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2020/01/20 22:48 | https://github.com/google/ktsan.git kcsan | 245a43005292 | 8eda0b95 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/01/19 03:10 | https://github.com/google/ktsan.git kcsan | 245a43005292 | bc8bc756 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/01/02 13:24 | https://github.com/google/ktsan.git kcsan | 245a43005292 | 25a0186e | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/12/29 20:46 | https://github.com/google/ktsan.git kcsan | 245a43005292 | af6b8ef8 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/12/05 01:27 | https://github.com/google/ktsan.git kcsan | ef798c30ba4e | b2088328 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/12/01 12:39 | https://github.com/google/ktsan.git kcsan | ef798c30ba4e | a76bf83f | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/11/23 02:02 | https://github.com/google/ktsan.git kcsan | 5863cc791e4c | 598ca6c8 | .config | console log | report | ci2-upstream-kcsan-gce |