SYZFAIL: mount(dev) failed

Status: premoderation: reported syz repro on 2026/09/08 23:31
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+1fe3c2a5f87a4c0f3cec@syzkaller.appspotmail.com
First crash: 57d, last: 17h27m
▶ ▼ Bug presence (2)
Date Name Commit Repro Result
2026/09/19 lts (merge base) 7df67a479906 syz [report] SYZFAIL: mount(dev) failed
2026/09/19 upstream (ToT) 518e5b794c06 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 64 22h06m 56d 0/2 premoderation: reported syz repro on 2026/09/09 06:58
android-6-12 SYZFAIL: mount(dev) failed origin:upstream -1 syz 35 2d14h 55d 0/1 premoderation: reported syz repro on 2026/09/10 12:31
linux-5.15 SYZFAIL: mount(dev) failed -1 24 6d15h 41d 0/3 upstream: reported on 2026/09/24 10:40
linux-6.1 SYZFAIL: mount(dev) failed origin:upstream -1 syz 10 2h13m 48d 0/3 upstream: reported syz repro on 2026/09/17 06:20
linux-6.6 SYZFAIL: mount(dev) failed -1 7 3d16h 30d 0/2 upstream: reported on 2026/10/05 07:08
android-6-1 SYZFAIL: mount(dev) failed -1 syz 63 6h11m 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=1 req=18 state=3 status=67 (errno 32: Broken pipe)
connection error: failed to recv *flatrpc.ExecutorMessageRawT: read tcp 127.0.0.1:44397->127.0.0.1:59768: read: connection reset by peer

Crashes (69):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/11/03 16:35 android13-5.15-lts 2316d138a3c3 e2d35131 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/30 22:36 android13-5.15-lts 2316d138a3c3 0ec395f8 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/23 17:45 android13-5.15-lts c4cfc3ce1d26 d566bfda .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/23 13:14 android13-5.15-lts c4cfc3ce1d26 d566bfda .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/22 02:36 android13-5.15-lts 86eefba284ca 4ba27f85 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/19 04:59 android13-5.15-lts ff23d765b06f 432c0077 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/14 15:50 android13-5.15-lts ff23d765b06f 1a71827b .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/13 05:40 android13-5.15-lts d6c8aee048e0 745a967f .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/06 18:11 android13-5.15-lts f5eaed2bbe33 f7710056 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/02 04:47 android13-5.15-lts 56b6e17ad4b1 6d32eb1f .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/09/21 02:30 android13-5.15-lts 5bfe2b8c1439 853b104b .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/09/09 03:03 android13-5.15-lts 24104b3bc9b7 243b72f1 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/11/04 06:32 android13-5.15-lts 2316d138a3c3 5af5b6c6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/11/01 04:31 android13-5.15-lts 2316d138a3c3 25a0ae84 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/31 01:03 android13-5.15-lts 2316d138a3c3 0ec395f8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/30 23:42 android13-5.15-lts 2316d138a3c3 0ec395f8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/30 10:29 android13-5.15-lts 2316d138a3c3 b498adee .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/30 07:50 android13-5.15-lts 2316d138a3c3 b498adee .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/29 22:36 android13-5.15-lts 2316d138a3c3 b498adee .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/29 16:01 android13-5.15-lts 2316d138a3c3 b1d00f76 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/28 22:47 android13-5.15-lts 2316d138a3c3 858db2ec .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/28 18:29 android13-5.15-lts 2316d138a3c3 858db2ec .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/28 12:49 android13-5.15-lts 2316d138a3c3 858db2ec .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/27 18:29 android13-5.15-lts 2316d138a3c3 96923c60 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/26 15:28 android13-5.15-lts dde14ee8fb2e 168cb7a2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/26 08:45 android13-5.15-lts 28ca5d8b733e 1d9ca40b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/26 07:35 android13-5.15-lts 28ca5d8b733e 1d9ca40b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/25 17:04 android13-5.15-lts 28ca5d8b733e 1d9ca40b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/25 09:34 android13-5.15-lts 668c22005aab 1d9ca40b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/24 00:30 android13-5.15-lts c4cfc3ce1d26 1d9ca40b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/23 16:26 android13-5.15-lts c4cfc3ce1d26 d566bfda .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/23 02:27 android13-5.15-lts c4cfc3ce1d26 b55fad29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/22 16:06 android13-5.15-lts c4cfc3ce1d26 b55fad29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/22 11:36 android13-5.15-lts c4cfc3ce1d26 b55fad29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/21 20:40 android13-5.15-lts 86eefba284ca 4ba27f85 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/21 20:40 android13-5.15-lts 86eefba284ca 4ba27f85 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/21 14:36 android13-5.15-lts 86eefba284ca 61c200c7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/19 04:30 android13-5.15-lts ff23d765b06f 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/18 17:46 android13-5.15-lts ff23d765b06f 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/17 20:07 android13-5.15-lts ff23d765b06f 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/17 19:59 android13-5.15-lts ff23d765b06f 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/16 05:44 android13-5.15-lts ff23d765b06f 3f2522c6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/15 22:35 android13-5.15-lts ff23d765b06f 3f2522c6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/15 22:35 android13-5.15-lts ff23d765b06f 3f2522c6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/15 04:42 android13-5.15-lts ff23d765b06f 8fb0ae89 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/14 12:39 android13-5.15-lts 5ca734335a87 1a71827b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/04 12:59 android13-5.15-lts f5eaed2bbe33 57bbd979 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/03 10:14 android13-5.15-lts f5eaed2bbe33 57bbd979 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/02 02:05 android13-5.15-lts 56b6e17ad4b1 6d32eb1f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/01 15:10 android13-5.15-lts 56b6e17ad4b1 f5cdae2f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/01 09:34 android13-5.15-lts 17730f38b70b 38f7f0d1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/10/01 09:29 android13-5.15-lts 17730f38b70b 38f7f0d1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/09/30 10:10 android13-5.15-lts 69b8586d6858 7808aef4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/09/27 21:35 android13-5.15-lts 776976664f31 a3c7249d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/09/27 17:46 android13-5.15-lts 776976664f31 a3c7249d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/09/27 01:56 android13-5.15-lts 776976664f31 a3c7249d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/09/25 19:41 android13-5.15-lts 81cf8006a12f f281d9d2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/09/25 00:06 android13-5.15-lts 5bfe2b8c1439 3c3cdf19 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/09/14 13:12 android13-5.15-lts 5bfe2b8c1439 70a60e12 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/09/11 23:18 android13-5.15-lts 45bb2952b61c b6a5eeb7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/09/11 18:51 android13-5.15-lts 45bb2952b61c b6a5eeb7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/09/11 18:33 android13-5.15-lts 45bb2952b61c b6a5eeb7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/09/11 06:18 android13-5.15-lts 6b20b42b6635 1fe56c0a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
2026/09/08 23:30 android13-5.15-lts 24104b3bc9b7 243b72f1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: mount(dev) failed
* Struck through repros no longer work on HEAD.