syzbot

 sign-in | mailing list | source | docs
🐞 Open [693]
🐞 Fixed [72]
🐞 Invalid [876]
⬇ Missing Backports [110]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
💬 Send us feedback

unregister_netdevice: waiting for DEV to become free

Status: upstream: reported C repro on 2023/03/07 22:57
Bug presence: origin:upstream
Labels: missing-backport
[Documentation on labels]
Reported-by: syzbot+d3736679164e26746ec2@syzkaller.appspotmail.com
First crash: 808d, last: 1h40m
▶ ▼ Bug presence (3)
Date Name Commit Repro Result
2025/04/26 linux-5.15.y (ToT) f7347f400572 C [report] unregister_netdevice: waiting for DEV to become free
2024/01/26 upstream (ToT) ecb1b8288dc7 C [report] unregister_netdevice: waiting for DEV to become free
2025/04/26 upstream (ToT) f1a3944c860b C Didn't crash
▶ ▼ Similar bugs (15)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream unregister_netdevice: waiting for DEV to become free (3) C 1864 1865d 1926d 15/28 fixed on 2020/04/15 17:19
upstream unregister_netdevice: waiting for DEV to become free (6) C error 13128 1173d 1291d 20/28 fixed on 2022/03/08 16:11
upstream unregister_netdevice: waiting for DEV to become free C 170521 2480d 2592d 8/28 fixed on 2018/08/08 18:10
linux-4.14 unregister_netdevice: waiting for DEV to become free C done 120 1787d 2226d 1/1 fixed on 2020/08/02 06:53
android-49 unregister_netdevice: waiting for DEV to become free C 52164 2008d 2235d 0/3 public: reported C repro on 2019/04/11 08:44
android-44 unregister_netdevice: waiting for DEV to become free C 4307 2070d 2235d 0/2 public: reported C repro on 2019/04/11 08:44
linux-4.14 unregister_netdevice: waiting for DEV to become free (2) fat hfsplus bfs vfs gfs2 udf xfs reiserfs sysv btrfs f2fs C 651522 809d 1745d 0/1 upstream: reported C repro on 2020/08/13 09:52
android-414 unregister_netdevice: waiting for DEV to become free 1231 2011d 2233d 0/1 auto-closed as invalid on 2020/02/19 10:10
upstream unregister_netdevice: waiting for DEV to become free (4) C done 50394 1536d 1739d 19/28 fixed on 2021/03/10 01:48
linux-6.1 unregister_netdevice: waiting for DEV to become free origin:upstream missing-backport C inconclusive 2289 6h17m 808d 0/3 upstream: reported C repro on 2023/03/07 18:05
upstream unregister_netdevice: waiting for DEV to become free (8) net C done 319478 6m 714d 0/28 upstream: reported C repro on 2023/06/10 01:34
upstream unregister_netdevice: waiting for DEV to become free (2) C done 385621 1926d 2473d 15/28 fixed on 2020/02/14 01:19
linux-4.19 unregister_netdevice: waiting for DEV to become free C 5316 809d 2235d 0/1 upstream: reported C repro on 2019/04/10 19:11
upstream unregister_netdevice: waiting for DEV to become free (5) C done 40035 1291d 1536d 20/28 fixed on 2021/11/10 00:50
upstream unregister_netdevice: waiting for DEV to become free (7) C inconclusive 20422 716d 918d 22/28 fixed on 2023/06/08 14:41

Sample crash report:
unregister_netdevice: waiting for GPL to become free. Usage count = 2

Crashes (7167):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/05/12 03:21 linux-5.15.y 3b8db0e4f263 77908e5f .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf unregister_netdevice: waiting for DEV to become free
2025/05/11 20:01 linux-5.15.y 3b8db0e4f263 77908e5f .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf unregister_netdevice: waiting for DEV to become free
2025/05/11 06:47 linux-5.15.y 3b8db0e4f263 77908e5f .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf unregister_netdevice: waiting for DEV to become free
2025/04/24 16:34 linux-5.15.y f7347f400572 9882047a .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf unregister_netdevice: waiting for DEV to become free
2025/04/15 05:27 linux-5.15.y f7347f400572 0bd6db41 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan unregister_netdevice: waiting for DEV to become free
2025/03/05 05:07 linux-5.15.y c16c81c81336 c3901742 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan unregister_netdevice: waiting for DEV to become free
2025/02/12 23:26 linux-5.15.y c16c81c81336 b27c2402 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf unregister_netdevice: waiting for DEV to become free
2025/02/12 20:35 linux-5.15.y c16c81c81336 b27c2402 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf unregister_netdevice: waiting for DEV to become free
2024/01/26 13:51 linux-5.15.y 6139f2a02fe0 cc4a4020 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf unregister_netdevice: waiting for DEV to become free
2025/01/24 11:50 linux-5.15.y 003148680b79 521b0ce3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2023/06/04 07:01 linux-5.15.y 0ab06468cbd1 a4ae4f42 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/02/16 21:13 linux-5.15.y c16c81c81336 40a34ec9 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan unregister_netdevice: waiting for DEV to become free
2025/01/24 13:46 linux-5.15.y 003148680b79 521b0ce3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan unregister_netdevice: waiting for DEV to become free
2025/05/21 00:08 linux-5.15.y a68c15152131 b47f9e02 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/17 10:52 linux-5.15.y 3b8db0e4f263 f41472b0 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/15 10:21 linux-5.15.y 3b8db0e4f263 d6b2ee52 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/10 01:08 linux-5.15.y 3b8db0e4f263 77908e5f .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/07 08:50 linux-5.15.y 16fdf2c7111b 350f4ffc .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/06 13:15 linux-5.15.y 16fdf2c7111b ae98e6b9 .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/04 10:46 linux-5.15.y 16fdf2c7111b b0714e37 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/04/22 16:07 linux-5.15.y f7347f400572 2a20f901 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/04/14 03:04 linux-5.15.y f7347f400572 0bd6db41 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/04/13 17:42 linux-5.15.y f7347f400572 0bd6db41 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/04/13 07:43 linux-5.15.y f7347f400572 0bd6db41 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/04/09 07:08 linux-5.15.y 0c935c049b5c a775275d .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/04/06 20:23 linux-5.15.y 0c935c049b5c 1c65791e .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/03/31 10:55 linux-5.15.y 0c935c049b5c d3999433 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/03/29 00:09 linux-5.15.y 0c935c049b5c 9a1a9e31 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/03/22 14:57 linux-5.15.y 0c935c049b5c c6512ef7 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/03/20 01:16 linux-5.15.y 0c935c049b5c e20d7b13 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/03/18 07:59 linux-5.15.y 0c935c049b5c ce3352cd .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/03/16 15:17 linux-5.15.y 0c935c049b5c e2826670 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/03/04 10:40 linux-5.15.y c16c81c81336 c3901742 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/02/22 08:49 linux-5.15.y c16c81c81336 d34966d1 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/02/20 13:45 linux-5.15.y c16c81c81336 50668798 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/02/17 07:32 linux-5.15.y c16c81c81336 40a34ec9 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/02/16 10:15 linux-5.15.y c16c81c81336 40a34ec9 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/02/14 12:10 linux-5.15.y c16c81c81336 d9a046cf .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/02/14 00:42 linux-5.15.y c16c81c81336 a98a8417 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/02/05 23:30 linux-5.15.y c16c81c81336 4dc70884 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/02/02 05:15 linux-5.15.y c16c81c81336 568559e4 .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/01/27 03:32 linux-5.15.y 003148680b79 9fbd772e .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/01/26 16:34 linux-5.15.y 003148680b79 9fbd772e .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/24 07:37 linux-5.15.y 98f47d0e9b8c ed351ea7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan unregister_netdevice: waiting for DEV to become free
2025/05/24 05:28 linux-5.15.y 98f47d0e9b8c ed351ea7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan unregister_netdevice: waiting for DEV to become free
2025/05/22 05:15 linux-5.15.y a68c15152131 0919b50b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan unregister_netdevice: waiting for DEV to become free
2025/05/22 01:52 linux-5.15.y a68c15152131 0919b50b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan unregister_netdevice: waiting for DEV to become free
2025/05/21 15:29 linux-5.15.y a68c15152131 dc5d3808 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan unregister_netdevice: waiting for DEV to become free
2025/05/21 13:23 linux-5.15.y a68c15152131 dc5d3808 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan unregister_netdevice: waiting for DEV to become free
2025/05/21 03:50 linux-5.15.y a68c15152131 b47f9e02 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan unregister_netdevice: waiting for DEV to become free
2025/05/24 15:54 linux-5.15.y 98f47d0e9b8c ed351ea7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/24 13:13 linux-5.15.y 98f47d0e9b8c ed351ea7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/24 10:07 linux-5.15.y 98f47d0e9b8c ed351ea7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/24 08:45 linux-5.15.y 98f47d0e9b8c ed351ea7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/24 03:20 linux-5.15.y 98f47d0e9b8c f8cc0c83 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/24 01:55 linux-5.15.y 98f47d0e9b8c f8cc0c83 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/24 01:53 linux-5.15.y 98f47d0e9b8c f8cc0c83 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/23 23:59 linux-5.15.y 98f47d0e9b8c f8cc0c83 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/23 19:19 linux-5.15.y 98f47d0e9b8c f8cc0c83 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/23 16:21 linux-5.15.y 98f47d0e9b8c f8cc0c83 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/23 13:17 linux-5.15.y 98f47d0e9b8c fa44301a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/23 11:52 linux-5.15.y 98f47d0e9b8c fa44301a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/23 08:26 linux-5.15.y 98f47d0e9b8c fa44301a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/23 05:59 linux-5.15.y 98f47d0e9b8c fa44301a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/23 04:24 linux-5.15.y 98f47d0e9b8c fa44301a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/23 00:22 linux-5.15.y 98f47d0e9b8c fa44301a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/22 23:09 linux-5.15.y 98f47d0e9b8c 0919b50b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/22 18:34 linux-5.15.y 98f47d0e9b8c 0919b50b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/22 13:48 linux-5.15.y 98f47d0e9b8c 0919b50b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/22 09:57 linux-5.15.y a68c15152131 0919b50b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/22 08:02 linux-5.15.y a68c15152131 0919b50b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/22 05:25 linux-5.15.y a68c15152131 0919b50b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/21 22:08 linux-5.15.y a68c15152131 dc5d3808 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/21 19:34 linux-5.15.y a68c15152131 dc5d3808 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/21 12:06 linux-5.15.y a68c15152131 dc5d3808 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/21 10:52 linux-5.15.y a68c15152131 b47f9e02 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/21 07:30 linux-5.15.y a68c15152131 b47f9e02 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/21 05:49 linux-5.15.y a68c15152131 b47f9e02 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/21 02:45 linux-5.15.y a68c15152131 b47f9e02 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/21 01:33 linux-5.15.y a68c15152131 b47f9e02 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/20 23:28 linux-5.15.y a68c15152131 b47f9e02 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/20 21:57 linux-5.15.y a68c15152131 b47f9e02 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/20 21:07 linux-5.15.y a68c15152131 b47f9e02 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/20 19:17 linux-5.15.y a68c15152131 b47f9e02 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/20 17:52 linux-5.15.y a68c15152131 b47f9e02 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/20 16:24 linux-5.15.y a68c15152131 b47f9e02 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/20 12:41 linux-5.15.y a68c15152131 b47f9e02 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/20 08:46 linux-5.15.y a68c15152131 b84f0537 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2023/03/07 22:56 linux-5.15.y d9b4a0c83a2d d7ea8bc4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan unregister_netdevice: waiting for DEV to become free
* Struck through repros no longer work on HEAD.