| Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|
| upstream | KCSAN: data-race in file_remove_privs / generic_file_splice_read fs | 1 | 1383d | 1383d | 0/26 | auto-closed as invalid on 2020/08/13 12:27 |
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| Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|
| upstream | KCSAN: data-race in file_remove_privs / generic_file_splice_read fs | 1 | 1383d | 1383d | 0/26 | auto-closed as invalid on 2020/08/13 12:27 |
================================================================== BUG: KCSAN: data-race in file_remove_privs / generic_file_splice_read write to 0xffff8881301c307c of 4 bytes by task 12759 on cpu 0: inode_has_no_xattr include/linux/fs.h:3655 [inline] file_remove_privs+0x312/0x3a0 fs/inode.c:1947 __generic_file_write_iter+0xdd/0x300 mm/filemap.c:3751 generic_file_write_iter+0x75/0x130 mm/filemap.c:3837 call_write_iter include/linux/fs.h:2116 [inline] do_iter_readv_writev+0x2cb/0x360 fs/read_write.c:740 do_iter_write+0x112/0x4c0 fs/read_write.c:866 vfs_iter_write+0x4c/0x70 fs/read_write.c:907 iter_file_splice_write+0x40a/0x750 fs/splice.c:689 do_splice_from fs/splice.c:767 [inline] direct_splice_actor+0x80/0xa0 fs/splice.c:936 splice_direct_to_actor+0x345/0x650 fs/splice.c:891 do_splice_direct+0xf5/0x170 fs/splice.c:979 do_sendfile+0x773/0xda0 fs/read_write.c:1260 __do_sys_sendfile64 fs/read_write.c:1325 [inline] __se_sys_sendfile64 fs/read_write.c:1311 [inline] __x64_sys_sendfile64+0xf2/0x130 fs/read_write.c:1311 do_syscall_64+0x4a/0x90 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff8881301c307c of 4 bytes by task 12745 on cpu 1: iocb_flags include/linux/fs.h:3509 [inline] init_sync_kiocb include/linux/fs.h:2283 [inline] generic_file_splice_read+0xe4/0x310 fs/splice.c:309 do_splice_to fs/splice.c:796 [inline] splice_direct_to_actor+0x2aa/0x650 fs/splice.c:870 do_splice_direct+0xf5/0x170 fs/splice.c:979 do_sendfile+0x773/0xda0 fs/read_write.c:1260 __do_sys_sendfile64 fs/read_write.c:1325 [inline] __se_sys_sendfile64 fs/read_write.c:1311 [inline] __x64_sys_sendfile64+0xf2/0x130 fs/read_write.c:1311 do_syscall_64+0x4a/0x90 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 12745 Comm: syz-executor.3 Not tainted 5.12.0-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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021/05/05 14:11 | upstream | d665ea6ea86c | 06c27ff5 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in file_remove_privs / generic_file_splice_read |