kern.securelevel: 0 -> 1 creating runtime link editor directory cache. preserving editor files. starting network daemons: sshd. starting local daemons:. Tue Mar 3 16:01:13 PST 2020 OpenBSD/amd64 (ci-openbsd-setuid-4.c.syzkaller.internal) (tty00) Warning: Permanently added '10.128.0.25' (ECDSA) to the list of known hosts. 2020/03/03 16:01:39 parsed 1 programs 2020/03/03 16:01:45 executed programs: 0 2020/03/03 16:01:50 executed programs: 452 login: kernel: double fault trap, code=0 Stopped at pool_cache_get+0x23: callq __sanitizer_cov_trace_pc+0x4 ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic the kernel did not panic ddb{0}> trace pool_cache_get(ffffffff826666d0) at pool_cache_get+0x23 pool_get(ffffffff826666d0,2) at pool_get+0x91 m_get(2,3) at m_get+0x4c sbappendaddr(fffffd8078a417d0,fffffd8078a41858,ffff800020b8e2f8,fffffd8078d82100,0) at sbappendaddr+0x223 udp_sbappend(fffffd8078a40118,fffffd8078d82100,fffffd8078d821b0,0,14,fffffd8078d821c4) at udp_sbappend+0x314 udp_input(ffff800020b8e578,ffff800020b8e584,11,2) at udp_input+0x1320 ip_deliver(ffff800020b8e578,ffff800020b8e584,11,2) at ip_deliver+0x353 ip_ours(ffff800020b8e578,ffff800020b8e584,8b,0) at ip_ours+0x412 ip_input_if(ffff800020b8e578,ffff800020b8e584,4,0,ffff800000679800) at ip_input_if+0x6ce ipv4_input(ffff800000679800,fffffd8078d82100) at ipv4_input+0x48 if_input_local(ffff800000679800,fffffd8078d82100,2) at if_input_local+0xf9 ip_output(fffffd806b065c00,0,fffffd8078a40188,0,0,fffffd8078a40118) at ip_output+0xae5 udp_output(fffffd8078a40118,fffffd806b065c00,0,0) at udp_output+0x5af somove(fffffd8078a417d0,2) at somove+0xf2f sorwakeup(fffffd8078a417d0) at sorwakeup+0x79 udp_sbappend(fffffd8078a40118,fffffd8078d10300,fffffd8078d103b0,0,14,fffffd8078d103c4) at udp_sbappend+0x336 udp_input(ffff800020b8ec68,ffff800020b8ec74,11,2) at udp_input+0x1320 ip_deliver(ffff800020b8ec68,ffff800020b8ec74,11,2) at ip_deliver+0x353 ip_ours(ffff800020b8ec68,ffff800020b8ec74,8b,0) at ip_ours+0x412 ip_input_if(ffff800020b8ec68,ffff800020b8ec74,4,0,ffff800000679800) at ip_input_if+0x6ce ipv4_input(ffff800000679800,fffffd8078d10300) at ipv4_input+0x48 if_input_local(ffff800000679800,fffffd8078d10300,2) at if_input_local+0xf9 ip_output(fffffd8078d82200,0,fffffd8078a40188,0,0,fffffd8078a40118) at ip_output+0xae5 udp_output(fffffd8078a40118,fffffd8078d82200,0,0) at udp_output+0x5af somove(fffffd8078a417d0,2) at somove+0xf2f sorwakeup(fffffd8078a417d0) at sorwakeup+0x79 udp_sbappend(fffffd8078a40118,fffffd806b065c00,fffffd806b065cb0,0,14,fffffd806b065cc4) at udp_sbappend+0x336 udp_input(ffff800020b8f358,ffff800020b8f364,11,2) at udp_input+0x1320 ip_deliver(ffff800020b8f358,ffff800020b8f364,11,2) at ip_deliver+0x353 ip_ours(ffff800020b8f358,ffff800020b8f364,8b,0) at ip_ours+0x412 ip_input_if(ffff800020b8f358,ffff800020b8f364,4,0,ffff800000679800) at ip_input_if+0x6ce ipv4_input(ffff800000679800,fffffd806b065c00) at ipv4_input+0x48 if_input_local(ffff800000679800,fffffd806b065c00,2) at if_input_local+0xf9 ip_output(fffffd806b065700,0,fffffd8078a40188,0,0,fffffd8078a40118) at ip_output+0xae5 udp_output(fffffd8078a40118,fffffd806b065700,0,0) at udp_output+0x5af somove(fffffd8078a417d0,2) at somove+0xf2f sorwakeup(fffffd8078a417d0) at sorwakeup+0x79 udp_sbappend(fffffd8078a40118,fffffd8078d82200,fffffd8078d822b0,0,14,fffffd8078d822c4) at udp_sbappend+0x336 udp_input(ffff800020b8fa48,ffff800020b8fa54,11,2) at udp_input+0x1320 ip_deliver(ffff800020b8fa48,ffff800020b8fa54,11,2) at ip_deliver+0x353 ip_ours(ffff800020b8fa48,ffff800020b8fa54,8b,0) at ip_ours+0x412 ip_input_if(ffff800020b8fa48,ffff800020b8fa54,4,0,ffff800000679800) at ip_input_if+0x6ce ipv4_input(ffff800000679800,fffffd8078d82200) at ipv4_input+0x48 if_input_local(ffff800000679800,fffffd8078d82200,2) at if_input_local+0xf9 ip_output(fffffd8078d10400,0,fffffd8078a40188,0,0,fffffd8078a40118) at ip_output+0xae5 udp_output(fffffd8078a40118,fffffd8078d10400,0,0) at udp_output+0x5af somove(fffffd8078a417d0,2) at somove+0xf2f sorwakeup(fffffd8078a417d0) at sorwakeup+0x79 udp_sbappend(fffffd8078a40118,fffffd806b065700,fffffd806b0657b0,0,14,fffffd806b0657c4) at udp_sbappend+0x336 udp_input(ffff800020b90138,ffff800020b90144,11,2) at udp_input+0x1320 ip_deliver(ffff800020b90138,ffff800020b90144,11,2) at ip_deliver+0x353 ip_ours(ffff800020b90138,ffff800020b90144,8b,0) at ip_ours+0x412 ip_input_if(ffff800020b90138,ffff800020b90144,4,0,ffff800000679800) at ip_input_if+0x6ce ipv4_input(ffff800000679800,fffffd806b065700) at ipv4_input+0x48 if_input_local(ffff800000679800,fffffd806b065700,2) at if_input_local+0xf9 ip_output(fffffd806b065d00,0,fffffd8078a40188,0,0,fffffd8078a40118) at ip_output+0xae5 udp_output(fffffd8078a40118,fffffd806b065d00,0,0) at udp_output+0x5af somove(fffffd8078a417d0,2) at somove+0xf2f sorwakeup(fffffd8078a417d0) at sorwakeup+0x79 udp_sbappend(fffffd8078a40118,fffffd8078d10400,fffffd8078d104b0,0,14,fffffd8078d104c4) at udp_sbappend+0x336 udp_input(ffff800020b90828,ffff800020b90834,11,2) at udp_input+0x1320 ip_deliver(ffff800020b90828,ffff800020b90834,11,2) at ip_deliver+0x353 ip_ours(ffff800020b90828,ffff800020b90834,8b,0) at ip_ours+0x412 ip_input_if(ffff800020b90828,ffff800020b90834,4,0,ffff800000679800) at ip_input_if+0x6ce ipv4_input(ffff800000679800,fffffd8078d10400) at ipv4_input+0x48 if_input_local(ffff800000679800,fffffd8078d10400,2) at if_input_local+0xf9 ip_output(fffffd806f435300,0,fffffd8078a40188,0,0,fffffd8078a40118) at ip_output+0xae5 udp_output(fffffd8078a40118,fffffd806f435300,0,0) at udp_output+0x5af somove(fffffd8078a417d0,2) at somove+0xf2f sorwakeup(fffffd8078a417d0) at sorwakeup+0x79 udp_sbappend(fffffd8078a40118,fffffd806b065d00,fffffd806b065db0,0,14,fffffd806b065dc4) at udp_sbappend+0x336 udp_input(ffff800020b90f18,ffff800020b90f24,11,2) at udp_input+0x1320 ip_deliver(ffff800020b90f18,ffff800020b90f24,11,2) at ip_deliver+0x353 ip_ours(ffff800020b90f18,ffff800020b90f24,8b,0) at ip_ours+0x412 ip_input_if(ffff800020b90f18,ffff800020b90f24,4,0,ffff800000679800) at ip_input_if+0x6ce ipv4_input(ffff800000679800,fffffd806b065d00) at ipv4_input+0x48 if_input_local(ffff800000679800,fffffd806b065d00,2) at if_input_local+0xf9 ip_output(fffffd806b065900,0,fffffd8078a40188,0,0,fffffd8078a40118) at ip_output+0xae5 udp_output(fffffd8078a40118,fffffd806b065900,0,0) at udp_output+0x5af sosend(fffffd8078a417d0,0,ffff800020b91290,0,0,0) at sosend+0x671 sendit(ffff800020a929d8,0,ffff800020b91370,0,ffff800020b91450) at sendit+0x52b sys_sendto(ffff800020a929d8,ffff800020b91408,ffff800020b91450) at sys_sendto+0x80 syscall(ffff800020b914d0) at syscall+0x4a4 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb6157edbb80, count: -84 ddb{0}> show registers rdi 0xffffffff826666d0 mbpool rsi 0 rbp 0xffff800020b8e050 rbx 0x10 rdx 0x8b rcx 0x1 rax 0x2 r8 0xffffffff814a3038 sbappendaddr+0xf8 r9 0x5 r10 0x694bb7e714d99d21 r11 0x26a6a5afe5cd2a93 r12 0xffffffff826666d0 mbpool r13 0 r14 0xffffffff826666d0 mbpool r15 0x2 rip 0xffffffff82102823 pool_cache_get+0x23 cs 0x8 rflags 0x10286 __ALIGN_SIZE+0xf286 rsp 0xffff800020b8dff0 ss 0x10 pool_cache_get+0x23: callq __sanitizer_cov_trace_pc+0x4 ddb{0}>