Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in generic_file_read_iter / truncate_setsize (2) fs | 4 | 1404d | 1543d | 0/26 | closed as invalid on 2020/06/18 14:24 |
syzbot |
sign-in | mailing list | source | docs |
🐞 Open [961] ≡ Subsystems 🐞 Fixed [5156] 🐞 Invalid [12312] ⬇ 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 generic_file_read_iter / truncate_setsize (2) fs | 4 | 1404d | 1543d | 0/26 | closed as invalid on 2020/06/18 14:24 |
================================================================== BUG: KCSAN: data-race in generic_file_read_iter / truncate_setsize read to 0xffff888125aafe00 of 8 bytes by task 17603 on cpu 1: generic_file_buffered_read mm/filemap.c:2106 [inline] generic_file_read_iter+0x860/0x1440 mm/filemap.c:2324 call_read_iter include/linux/fs.h:1889 [inline] generic_file_splice_read+0x35c/0x500 fs/splice.c:307 do_splice_to+0xf2/0x130 fs/splice.c:877 splice_direct_to_actor+0x1a1/0x510 fs/splice.c:954 do_splice_direct+0x161/0x1e0 fs/splice.c:1063 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/0x370 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 write to 0xffff888125aafe00 of 8 bytes by task 17606 on cpu 0: i_size_write include/linux/fs.h:888 [inline] truncate_setsize+0x3a/0x90 mm/truncate.c:839 simple_setattr+0xb8/0xc0 fs/libfs.c:433 notify_change+0x7e1/0xaa0 fs/attr.c:337 do_truncate+0xfb/0x180 fs/open.c:64 handle_truncate fs/namei.c:2998 [inline] do_last fs/namei.c:3414 [inline] path_openat+0x2f48/0x36e0 fs/namei.c:3525 do_filp_open+0x11e/0x1b0 fs/namei.c:3555 do_sys_open+0x3b3/0x4f0 fs/open.c:1097 ksys_open include/linux/syscalls.h:1385 [inline] __do_sys_creat fs/open.c:1155 [inline] __se_sys_creat fs/open.c:1153 [inline] __x64_sys_creat+0x45/0x60 fs/open.c:1153 do_syscall_64+0xcc/0x370 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 17606 Comm: syz-executor.4 Not tainted 5.4.0-rc6+ #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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2019/11/06 06:57 | https://github.com/google/ktsan.git kcsan | 94c006602e13 | bc2c6e45 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/10/29 07:06 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | 5ea87a66 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/10/26 11:23 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | 413926c5 | .config | console log | report | ci2-upstream-kcsan-gce |