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| 🐞 Open [984] ≡ Subsystems 🐞 Fixed [5216] 🐞 Invalid [12474] ⬇ Missing Backports [82] 📈 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 filemap_read / simple_write_end (2) fs | 15 | 861d | 933d | 0/26 | auto-closed as invalid on 2022/01/13 14:25 | |||
| upstream | KCSAN: data-race in filemap_read / simple_write_end (4) fs | 2 | 385d | 400d | 0/26 | auto-obsoleted due to no activity on 2023/05/05 08:51 | |||
| upstream | KCSAN: data-race in filemap_read / simple_write_end fs | 52 | 1000d | 1016d | 0/26 | auto-closed as invalid on 2021/08/27 20:52 |
================================================================== BUG: KCSAN: data-race in filemap_read / simple_write_end write to 0xffff88810b3e4560 of 8 bytes by task 10736 on cpu 0: i_size_write include/linux/fs.h:886 [inline] simple_write_end+0x11e/0x2f0 fs/libfs.c:619 generic_perform_write+0x264/0x3f0 mm/filemap.c:3764 __generic_file_write_iter+0xe3/0x280 mm/filemap.c:3881 generic_file_write_iter+0x79/0x1c0 mm/filemap.c:3913 call_write_iter include/linux/fs.h:2191 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x468/0x760 fs/read_write.c:584 ksys_write+0xe8/0x1a0 fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __x64_sys_write+0x3e/0x50 fs/read_write.c:646 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd read to 0xffff88810b3e4560 of 8 bytes by task 10748 on cpu 1: i_size_read include/linux/fs.h:864 [inline] filemap_read+0xfb5/0x1510 mm/filemap.c:2687 generic_file_read_iter+0x72/0x320 mm/filemap.c:2821 do_iter_read+0x492/0x760 fs/read_write.c:796 vfs_readv fs/read_write.c:916 [inline] do_preadv+0x159/0x230 fs/read_write.c:1008 __do_sys_preadv fs/read_write.c:1058 [inline] __se_sys_preadv fs/read_write.c:1053 [inline] __x64_sys_preadv+0x54/0x60 fs/read_write.c:1053 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x00000000009d7000 -> 0x00000000009dd000 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 10748 Comm: syz-executor.4 Not tainted 6.1.0-rc6-syzkaller-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 ==================================================================
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022/11/21 10:26 | upstream | eb7081409f94 | 5bb70014 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in filemap_read / simple_write_end |