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🐞 Open [1032] 🐞 Fixed [3929] 🐞 Invalid [8538] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in ext4_setattr / ext4_writepages (3) | 1 | 565d | 565d | 0/23 | auto-closed as invalid on 2021/03/06 22:57 | |||
upstream | KCSAN: data-race in ext4_setattr / ext4_writepages (5) | 1 | 367d | 367d | 0/23 | auto-closed as invalid on 2021/09/20 22:44 | |||
upstream | KCSAN: data-race in ext4_setattr / ext4_writepages (6) | 4 | 282d | 309d | 0/23 | auto-closed as invalid on 2021/12/15 15:54 | |||
upstream | KCSAN: data-race in ext4_setattr / ext4_writepages (2) | 1 | 624d | 620d | 0/23 | auto-closed as invalid on 2021/01/07 02:14 | |||
upstream | KCSAN: data-race in ext4_setattr / ext4_writepages (4) | 5 | 438d | 517d | 0/23 | auto-closed as invalid on 2021/07/12 17:41 |
================================================================== BUG: KCSAN: data-race in ext4_setattr / ext4_writepages write to 0xffff8880b052f548 of 8 bytes by task 21298 on cpu 0: ext4_setattr+0xb2b/0x1290 fs/ext4/inode.c:5330 notify_change+0x82b/0xb00 fs/attr.c:336 do_truncate+0xf9/0x180 fs/open.c:64 do_sys_ftruncate+0x315/0x340 fs/open.c:195 __do_sys_ftruncate fs/open.c:205 [inline] __se_sys_ftruncate fs/open.c:203 [inline] __x64_sys_ftruncate+0x3c/0x50 fs/open.c:203 do_syscall_64+0xc7/0x390 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff8880b052f548 of 8 bytes by task 21294 on cpu 1: mpage_map_and_submit_extent fs/ext4/inode.c:2468 [inline] ext4_writepages+0x11fd/0x1d40 fs/ext4/inode.c:2772 do_writepages+0x6b/0x170 mm/page-writeback.c:2344 __filemap_fdatawrite_range+0x1bb/0x220 mm/filemap.c:421 file_write_and_wait_range+0xfb/0x160 mm/filemap.c:760 ext4_sync_file+0x26e/0x8b0 fs/ext4/fsync.c:153 vfs_fsync_range+0x7c/0x150 fs/sync.c:197 generic_write_sync include/linux/fs.h:2867 [inline] ext4_buffered_write_iter+0x211/0x280 fs/ext4/file.c:277 ext4_file_write_iter+0xf4/0xd30 fs/ext4/file.c:642 call_write_iter include/linux/fs.h:1901 [inline] do_iter_readv_writev+0x4a7/0x5d0 fs/read_write.c:693 do_iter_write fs/read_write.c:998 [inline] do_iter_write+0x137/0x3a0 fs/read_write.c:979 vfs_iter_write+0x56/0x80 fs/read_write.c:1039 iter_file_splice_write+0x530/0x830 fs/splice.c:760 do_splice_from fs/splice.c:863 [inline] direct_splice_actor+0x97/0xb0 fs/splice.c:1037 splice_direct_to_actor+0x22f/0x540 fs/splice.c:992 do_splice_direct+0x152/0x1d0 fs/splice.c:1080 do_sendfile+0x396/0x810 fs/read_write.c:1520 __do_sys_sendfile64 fs/read_write.c:1575 [inline] __se_sys_sendfile64 fs/read_write.c:1567 [inline] __x64_sys_sendfile64+0xb8/0x140 fs/read_write.c:1567 do_syscall_64+0xc7/0x390 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 21294 Comm: syz-executor.5 Not tainted 5.6.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================
Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Title |
---|---|---|---|---|---|---|---|---|---|---|---|
ci2-upstream-kcsan-gce | 2020/03/05 14:31 | https://github.com/google/ktsan.git kcsan | 766d004d1b85 | b655d91b | .config | log | report |