SYZFAIL: mount(dev) failed

Status: premoderation: reported syz repro on 2026/09/10 12:31
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+ee15b1f79c318afcbb22@syzkaller.appspotmail.com
First crash: 55d, last: 6h05m
▶ ▼ Bug presence (2)
Date Name Commit Repro Result
2026/09/27 lts (merge base) e9f803bf2b03 syz [report] SYZFAIL: mount(dev) failed
2026/09/27 upstream (ToT) d266640c6c76 syz [report] SYZFAIL: mount(dev) failed
▶ ▼ Similar bugs (6)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-5-10 SYZFAIL: mount(dev) failed -1 syz 65 9h30m 57d 0/2 premoderation: reported syz repro on 2026/09/09 06:58
linux-5.15 SYZFAIL: mount(dev) failed -1 24 7d01h 41d 0/3 upstream: reported on 2026/09/24 10:40
linux-6.1 SYZFAIL: mount(dev) failed origin:upstream -1 syz 10 12h42m 49d 0/3 upstream: reported syz repro on 2026/09/17 06:20
linux-6.6 SYZFAIL: mount(dev) failed -1 7 4d03h 31d 0/2 upstream: reported on 2026/10/05 07:08
android-5-15 SYZFAIL: mount(dev) failed origin:upstream -1 syz 69 1d03h 57d 0/2 premoderation: reported syz repro on 2026/09/08 23:31
android-6-1 SYZFAIL: mount(dev) failed -1 syz 63 16h41m 51d 0/2 premoderation: reported syz repro on 2026/09/14 15:04

Sample crash report:
SYZFAIL: mount(dev) failed
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: repeatedly failed to execute the program
proc=2 req=19 state=3 status=67 (errno 32: Broken pipe)
connection error: failed to recv *flatrpc.ExecutorMessageRawT: read tcp 127.0.0.1:36279->127.0.0.1:44308: read: connection reset by peer

Crashes (38):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/11/02 09:32 android16-6.12 e92b73070f9a 25a0ae84 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: mount(dev) failed
2026/10/28 12:35 android16-6.12 606d03f6372c 858db2ec .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: mount(dev) failed
2026/10/21 14:28 android16-6.12 cd41470055b0 61c200c7 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: mount(dev) failed
2026/10/20 20:39 android16-6.12 3e51fbb70e49 df8746fb .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: mount(dev) failed
2026/10/19 19:01 android16-6.12 2b3a1a14ec95 72cdc28d .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: mount(dev) failed
2026/10/15 21:25 android16-6.12 1973ed3d1d63 3f2522c6 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: mount(dev) failed
2026/10/12 17:32 android16-6.12 602cc832d2b7 745a967f .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: mount(dev) failed
2026/10/10 03:26 android16-6.12 e65d894191a4 4f92358f .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: mount(dev) failed
2026/10/08 02:17 android16-6.12 c7ad8c94d619 6520ecdb .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: mount(dev) failed
2026/10/06 07:54 android16-6.12 31493cc8d965 f7710056 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: mount(dev) failed
2026/10/04 14:27 android16-6.12 3a7d1771d492 57bbd979 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: mount(dev) failed
2026/10/01 19:47 android16-6.12 f82d63769e69 f5cdae2f .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: mount(dev) failed
2026/10/01 06:28 android16-6.12 dfd0de11e80f 38f7f0d1 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: mount(dev) failed
2026/09/25 10:36 android16-6.12 558b94a8d268 f281d9d2 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: mount(dev) failed
2026/09/12 09:46 android16-6.12 8eff909dd82d 70a60e12 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: mount(dev) failed
2026/09/11 23:43 android16-6.12 37fc3d36e6e2 b6a5eeb7 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: mount(dev) failed
2026/11/05 04:24 android16-6.12 a02a58da719e 73438ed0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: mount(dev) failed
2026/11/05 04:20 android16-6.12 a02a58da719e 73438ed0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: mount(dev) failed
2026/11/05 00:36 android16-6.12 a02a58da719e 73438ed0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: mount(dev) failed
2026/10/30 05:47 android16-6.12 c244ab6f4052 b498adee .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: mount(dev) failed
2026/10/27 08:27 android16-6.12 3b7cac078605 168cb7a2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: mount(dev) failed
2026/10/27 08:27 android16-6.12 3b7cac078605 168cb7a2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: mount(dev) failed
2026/10/26 19:20 android16-6.12 e9c13b0731b0 168cb7a2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: mount(dev) failed
2026/10/25 17:01 android16-6.12 8667f8e26c47 1d9ca40b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: mount(dev) failed
2026/10/21 06:47 android16-6.12 cd41470055b0 61c200c7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: mount(dev) failed
2026/10/21 03:55 android16-6.12 cd41470055b0 df8746fb .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: mount(dev) failed
2026/10/20 16:11 android16-6.12 3e51fbb70e49 df8746fb .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: mount(dev) failed
2026/10/19 20:02 android16-6.12 2b3a1a14ec95 72cdc28d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: mount(dev) failed
2026/10/17 05:00 android16-6.12 49f96790cc76 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: mount(dev) failed
2026/10/17 02:37 android16-6.12 49f96790cc76 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: mount(dev) failed
2026/10/14 05:48 android16-6.12 ffba6317c672 7321cd29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: mount(dev) failed
2026/10/11 16:21 android16-6.12 c82b35cb007f 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: mount(dev) failed
2026/10/11 08:20 android16-6.12 c82b35cb007f 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: mount(dev) failed
2026/10/06 11:29 android16-6.12 31493cc8d965 f7710056 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: mount(dev) failed
2026/09/26 16:59 android16-6.12 516976327553 a3c7249d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: mount(dev) failed
2026/09/14 10:43 android16-6.12 8eff909dd82d 70a60e12 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: mount(dev) failed
2026/09/10 16:09 android16-6.12 89698cd757af 1fe56c0a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: mount(dev) failed
2026/09/10 12:30 android16-6.12 89698cd757af 1fe56c0a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: mount(dev) failed
* Struck through repros no longer work on HEAD.