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assert "sc->sc_dev == NUM" failed in if_tun.c (6)

Status: upstream: reported on 2025/02/10 06:39
Reported-by: syzbot+171f3fbee35ba6030ee9@syzkaller.appspotmail.com
First crash: 301d, last: 22d
▶ ▼ Similar bugs (5)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd assert "sc->sc_dev == NUM" failed in if_tun.c -1 24 1392d 1424d 3/3 fixed on 2022/02/16 17:50
openbsd assert "sc->sc_dev == NUM" failed in if_tun.c (2) -1 1 1388d 1388d 3/3 fixed on 2022/02/26 07:36
openbsd assert "sc->sc_dev == NUM" failed in if_tun.c (5) -1 358 384d 654d 0/3 auto-obsoleted due to no activity on 2025/01/08 15:50
openbsd assert "sc->sc_dev == NUM" failed in if_tun.c (3) -1 68 891d 1380d 0/3 auto-obsoleted due to no activity on 2023/09/29 16:10
openbsd assert "sc->sc_dev == NUM" failed in if_tun.c (4) -1 1 791d 791d 0/3 auto-obsoleted due to no activity on 2024/01/09 18:17

Sample crash report:
panic: kernel diagnostic assertion "sc->sc_dev == 0" failed: file "/syzkaller/managers/multicore/kernel/sys/net/if_tun.c", line 316
Starting stack trace...
panic(ffffffff833a1f5e) at panic+0x1d0 sys/kern/subr_prf.c:229
__assert(ffffffff833dec81,ffffffff83429db8,13c,ffffffff8331d2e4) at __assert+0x29 sys/kern/subr_prf.c:-1
tun_clone_destroy(ffff800001479800) at tun_clone_destroy+0x38a
if_clone_destroy(ffff8000323df8b0) at if_clone_destroy+0x205 sys/net/if.c:1412
ifioctl(ffff8000015d1bf0,80206979,ffff8000323df8b0,ffff80002a31aa98) at ifioctl+0x59d sys/net/if.c:2089
sys_ioctl(ffff80002a31aa98,ffff8000323dfa90,ffff8000323df9e0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1
syscall(ffff8000323dfa90) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff8000323dfa90) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x1688fb129b0, count: 249
End of stack trace.

Crashes (105):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/11/15 20:50 openbsd 42d4ce758e42 f7988ea4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/11/15 07:01 openbsd 56163c0cd41e f7988ea4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/11/15 05:56 openbsd 56163c0cd41e f7988ea4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/11/15 03:40 openbsd 56163c0cd41e f7988ea4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/10/13 22:48 openbsd 13656af3a292 b6605ba8 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/10/13 21:46 openbsd 13656af3a292 b6605ba8 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/10/12 18:37 openbsd d388a6109664 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/10/11 07:28 openbsd 4cb29f8dafd8 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/10/11 06:10 openbsd 4cb29f8dafd8 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/10/11 03:18 openbsd 4cb29f8dafd8 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/10/10 07:34 openbsd f02b280c025a ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/10/10 01:07 openbsd f02b280c025a ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/10/09 09:32 openbsd 42468faed836 7e2882b3 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/10/09 02:01 openbsd 42468faed836 7e2882b3 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/10/06 21:51 openbsd f4db8a7c3d37 8ef35d49 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/10/06 20:21 openbsd 005f30971033 91305dbe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/10/06 19:01 openbsd 005f30971033 91305dbe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/10/06 15:56 openbsd 005f30971033 91305dbe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/10/06 11:50 openbsd 005f30971033 91305dbe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/10/06 10:32 openbsd 005f30971033 91305dbe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/10/06 09:13 openbsd 005f30971033 91305dbe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/10/05 17:40 openbsd f5a48fab3694 770ff59f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/10/05 16:07 openbsd f5a48fab3694 770ff59f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/10/04 21:11 openbsd cda73d07f20e 770ff59f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/10/04 17:26 openbsd cda73d07f20e 770ff59f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/10/04 14:50 openbsd cda73d07f20e 770ff59f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/10/04 05:04 openbsd 467d022937bc 770ff59f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/10/04 01:26 openbsd 467d022937bc 770ff59f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/10/03 16:10 openbsd c4a497a8c849 770ff59f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/10/03 14:16 openbsd c4a497a8c849 770ff59f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/09/29 23:30 openbsd 33176f4338fa 770ff59f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/09/29 21:25 openbsd 33176f4338fa 770ff59f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/09/29 14:43 openbsd 33176f4338fa 770ff59f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/09/29 13:08 openbsd 33176f4338fa 770ff59f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/09/29 11:31 openbsd 33176f4338fa 770ff59f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/09/28 21:35 openbsd 60d0eea3175a 770ff59f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/09/28 17:38 openbsd 60d0eea3175a 770ff59f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/09/28 14:51 openbsd 60d0eea3175a 770ff59f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/09/28 13:13 openbsd 60d0eea3175a 770ff59f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/09/28 10:07 openbsd 60d0eea3175a 770ff59f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/09/28 06:22 openbsd 8940f8ec2a35 770ff59f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/09/28 04:33 openbsd 8940f8ec2a35 770ff59f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/09/27 23:33 openbsd 8940f8ec2a35 770ff59f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/09/25 14:10 openbsd a25aeda82389 770ff59f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/09/24 21:07 openbsd 3b2384bb597f 770ff59f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/09/19 12:22 openbsd 07f8e0da7a56 67c37560 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
2025/08/09 06:29 openbsd 86b9fcdd2575 32a0e5ed .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "sc->sc_dev == NUM" failed in if_tun.c
2025/02/10 06:38 openbsd 275cd30cffcd ef44b750 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "sc->sc_dev == NUM" failed in if_tun.c
* Struck through repros no longer work on HEAD.