syzbot


assert "cifp != NULL" failed in route.c (4)

Status: upstream: reported on 2025/02/15 23:54
Reported-by: syzbot+3ec4009b918135223f77@syzkaller.appspotmail.com
First crash: 6d21h, last: 1d12h
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd assert "cifp != NULL" failed in route.c (2) 18 598d 826d 0/3 auto-obsoleted due to no activity on 2023/10/03 20:27
openbsd assert "cifp != NULL" failed in route.c (3) 203 107d 373d 0/3 auto-obsoleted due to no activity on 2024/12/27 21:04
openbsd assert "cifp != NULL" failed in route.c 89 1934d 1989d 0/3 auto-closed as invalid on 2020/01/08 16:33

Sample crash report:
panic: kernel diagnostic assertion "cifp != NULL" failed: file "/syzkaller/managers/main/kernel/sys/net/route.c", line 1085
Starting stack trace...
panic(ffffffff83407b62) at panic+0x1ba sys/kern/subr_prf.c:229
__assert(ffffffff833b441d,ffffffff83358088,43d,ffffffff8331522e) at __assert+0x29
rtrequest(1,ffff80003c95d048,8,ffff80003c95d118,0) at rtrequest+0xf4d sys/net/route.c:1085
rt_ifa_add(ffff800001591700,40004,ffff800001591768,0) at rt_ifa_add+0x38d sys/net/route.c:1280
in_ifinit(ff
ff80002a8465f8,ffff800001591700,ffff80003c95d238,1) at in_ifinit+0x542
pppx_add_session(ffff8000015a4a00,ffff800000b51c00) at pppx_add_session+0x474 sys/net/if_pppx.c:729
VOP_IOCTL(fffffd80730b12a8,82907003,ffff800000b51c00,1,fffffd807f7d7820,ffff80003c9839c8) at VOP_IOCTL+0xa3 sys/kern/vfs_vops.c:264
vn_ioctl(fffffd806c0922d8,82907003,ffff800000b51c00,ffff80003c9839c8) at vn_ioctl+0xea sys/kern/vfs_vnops.c:531
sys_ioctl(ffff80003c9839c8,ffff80003c95d650,ffff80003c95d5a0) at sys_ioctl+0x5bf
syscall(ffff80003c95d650) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x5ecc8225710, count: 246
End of stack trace.
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Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/02/21 08:37 openbsd a0f27e02d4cc 0808a665 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "cifp != NULL" failed in route.c
2025/02/15 23:53 openbsd 5c4be1f536db 40a34ec9 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "cifp != NULL" failed in route.c
* Struck through repros no longer work on HEAD.