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🐞 Open [1026] 🐞 Fixed [3926] 🐞 Invalid [8524] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in ext4_file_write_iter / ext4_setattr (2) | 1 | 617d | 617d | 0/23 | auto-closed as invalid on 2021/01/11 11:39 | |||
upstream | KCSAN: data-race in ext4_file_write_iter / ext4_setattr (3) | 2 | 494d | 495d | 0/23 | auto-closed as invalid on 2021/05/14 00:08 | |||
upstream | KCSAN: data-race in ext4_file_write_iter / ext4_setattr (7) | 1 | 195d | 195d | 0/23 | auto-closed as invalid on 2022/03/09 13:22 | |||
upstream | KCSAN: data-race in ext4_file_write_iter / ext4_setattr | 3 | 686d | 710d | 0/23 | auto-closed as invalid on 2020/11/03 10:53 | |||
upstream | KCSAN: data-race in ext4_file_write_iter / ext4_setattr (5) | 3 | 367d | 404d | 0/23 | auto-closed as invalid on 2021/09/18 07:46 | |||
upstream | KCSAN: data-race in ext4_file_write_iter / ext4_setattr (6) | 8 | 273d | 324d | 0/23 | auto-closed as invalid on 2021/12/21 17:24 |
================================================================== BUG: KCSAN: data-race in ext4_file_write_iter / ext4_setattr write to 0xffff88813490fb70 of 8 bytes by task 3771 on cpu 0: i_size_write include/linux/fs.h:871 [inline] ext4_setattr+0xd54/0xec0 fs/ext4/inode.c:5481 notify_change+0x8a3/0xa80 fs/attr.c:398 do_truncate+0xe8/0x130 fs/open.c:64 handle_truncate fs/namei.c:3017 [inline] do_open fs/namei.c:3365 [inline] path_openat+0x1a79/0x20b0 fs/namei.c:3494 do_filp_open+0xd9/0x1f0 fs/namei.c:3521 do_sys_openat2+0xa3/0x250 fs/open.c:1187 do_sys_open fs/open.c:1203 [inline] __do_sys_openat fs/open.c:1219 [inline] __se_sys_openat fs/open.c:1214 [inline] __x64_sys_openat+0xef/0x110 fs/open.c:1214 do_syscall_64+0x4a/0x90 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff88813490fb70 of 8 bytes by task 3716 on cpu 1: i_size_read include/linux/fs.h:849 [inline] ext4_dio_write_iter fs/ext4/file.c:495 [inline] ext4_file_write_iter+0x14c/0x11d0 fs/ext4/file.c:678 call_write_iter include/linux/fs.h:2114 [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:1319 [inline] __se_sys_sendfile64 fs/read_write.c:1311 [inline] __x64_sys_sendfile64+0xa9/0x130 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: 3716 Comm: syz-executor.4 Tainted: G W 5.13.0-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 | 2021/05/14 09:58 | upstream | 315d99318179 | 8bdd5343 | .config | log | report | info | KCSAN: data-race in ext4_file_write_iter / ext4_setattr |