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| Kernel | Title | Rank 🛈 | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| upstream | KCSAN: data-race in filemap_read / simple_write_end (2) fs | 6 | 15 | 1324d | 1396d | 0/29 | auto-closed as invalid on 2022/01/13 14:25 | |||
| upstream | KCSAN: data-race in filemap_read / simple_write_end (3) fs | 6 | 1 | 978d | 978d | 0/29 | auto-obsoleted due to no activity on 2023/01/02 10:55 | |||
| upstream | KCSAN: data-race in filemap_read / simple_write_end fs | 6 | 52 | 1463d | 1479d | 0/29 | auto-closed as invalid on 2021/08/27 20:52 |
================================================================== BUG: KCSAN: data-race in filemap_read / simple_write_end write to 0xffff88810a90a2f8 of 8 bytes by task 19810 on cpu 1: i_size_write include/linux/fs.h:888 [inline] simple_write_end+0x22d/0x410 fs/libfs.c:619 generic_perform_write+0x253/0x3d0 mm/filemap.c:3937 __generic_file_write_iter+0xe6/0x290 mm/filemap.c:4054 generic_file_write_iter+0x7d/0x1c0 mm/filemap.c:4086 do_iter_write+0x418/0x700 fs/read_write.c:861 vfs_iter_write+0x50/0x70 fs/read_write.c:902 iter_file_splice_write+0x456/0x7d0 fs/splice.c:778 do_splice_from fs/splice.c:856 [inline] direct_splice_actor+0x84/0xa0 fs/splice.c:1022 splice_direct_to_actor+0x2ee/0x5f0 fs/splice.c:977 do_splice_direct+0x104/0x180 fs/splice.c:1065 do_sendfile+0x3b8/0x950 fs/read_write.c:1255 __do_sys_sendfile64 fs/read_write.c:1323 [inline] __se_sys_sendfile64 fs/read_write.c:1309 [inline] __x64_sys_sendfile64+0x110/0x150 fs/read_write.c:1309 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd read to 0xffff88810a90a2f8 of 8 bytes by task 19820 on cpu 0: i_size_read include/linux/fs.h:866 [inline] filemap_read+0x247/0x680 mm/filemap.c:2706 generic_file_read_iter+0x76/0x320 mm/filemap.c:2840 call_read_iter include/linux/fs.h:1845 [inline] generic_file_splice_read+0xe3/0x290 fs/splice.c:402 do_splice_to fs/splice.c:885 [inline] splice_direct_to_actor+0x25a/0x5f0 fs/splice.c:956 do_splice_direct+0x104/0x180 fs/splice.c:1065 do_sendfile+0x3b8/0x950 fs/read_write.c:1255 __do_sys_sendfile64 fs/read_write.c:1323 [inline] __se_sys_sendfile64 fs/read_write.c:1309 [inline] __x64_sys_sendfile64+0x110/0x150 fs/read_write.c:1309 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x0000000000000241 -> 0x0000000000000242 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 19820 Comm: syz-executor.5 Not tainted 6.3.0-rc4-syzkaller-00161-g62bad54b26db #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 ==================================================================
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023/03/31 08:45 | upstream | 62bad54b26db | f325deb0 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in filemap_read / simple_write_end | |||
| 2023/03/16 04:26 | upstream | 9c1bec9c0b08 | 18b58603 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in filemap_read / simple_write_end |