kern.securelevel: 0 -> 1 creating runtime link editor directory cache. preserving editor files. starting network daemons: sshd. starting local daemons:. Wed Jan 20 18:30:09 PST 2021 OpenBSD/amd64 (ci-openbsd-multicore-6.c.syzkaller.internal) (tty00) Warning: Permanently added '10.128.0.80' (ECDSA) to the list of known hosts. 2021/01/20 18:30:20 fuzzer started 2021/01/20 18:30:25 dialing manager at 10.128.15.235:34143 2021/01/20 18:30:26 syscalls: 383 2021/01/20 18:30:26 code coverage: enabled 2021/01/20 18:30:26 comparison tracing: enabled 2021/01/20 18:30:26 extra coverage: enabled 2021/01/20 18:30:26 setuid sandbox: enabled 2021/01/20 18:30:26 namespace sandbox: support is not implemented in syzkaller 2021/01/20 18:30:26 Android sandbox: support is not implemented in syzkaller 2021/01/20 18:30:26 fault injection: support is not implemented in syzkaller 2021/01/20 18:30:26 leak checking: support is not implemented in syzkaller 2021/01/20 18:30:26 net packet injection: enabled 2021/01/20 18:30:26 net device setup: support is not implemented in syzkaller 2021/01/20 18:30:26 concurrency sanitizer: support is not implemented in syzkaller 2021/01/20 18:30:26 devlink PCI setup: support is not implemented in syzkaller 2021/01/20 18:30:26 USB emulation: support is not implemented in syzkaller 2021/01/20 18:30:26 hci packet injection: support is not implemented in syzkaller 2021/01/20 18:30:26 wifi device emulation: support is not implemented in syzkaller 2021/01/20 18:30:26 fetching corpus: 0, signal 0/2000 (executing program) 2021/01/20 18:30:26 fetching corpus: 50, signal 10636/14579 (executing program) 2021/01/20 18:30:26 fetching corpus: 100, signal 14930/20824 (executing program) 2021/01/20 18:30:26 fetching corpus: 150, signal 17130/24971 (executing program) 2021/01/20 18:30:27 fetching corpus: 200, signal 19561/29344 (executing program) 2021/01/20 18:30:27 fetching corpus: 250, signal 22704/34387 (executing program) 2021/01/20 18:30:27 fetching corpus: 300, signal 24962/38551 (executing program) 2021/01/20 18:30:27 fetching corpus: 350, signal 25930/41433 (executing program) 2021/01/20 18:30:27 fetching corpus: 400, 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(executing program) 2021/01/20 18:30:38 fetching corpus: 10733, signal 114255/826812 (executing program) 2021/01/20 18:30:38 fetching corpus: 10733, signal 114255/828566 (executing program) 2021/01/20 18:30:38 fetching corpus: 10733, signal 114255/829991 (executing program) 2021/01/20 18:30:38 fetching corpus: 10733, signal 114255/829991 (executing program) 2021/01/20 18:30:38 starting 2 fuzzer processes 18:30:38 executing program 0: syz_emit_ethernet(0x2a, &(0x7f0000000000)={@local, @remote, [], {@arp={0x806, @ether_ipv4={0x1, 0x800, 0x6, 0x4, 0x0, @remote, @rand_addr}}}}) 18:30:38 executing program 1: mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x3, 0x410, 0xffffffffffffffff, 0x0, 0x0) 18:30:38 executing program 0: syz_emit_ethernet(0xa7, &(0x7f0000000000)={@local, @remote, [], {@ipv6={0x86dd, {0x0, 0x6, "b59d53", 0x71, 0x0, 0x0, @local={0xfe, 0x80, [], 0x0}, @mcast2, {[], @generic="7be6d61c7177537e5b8f8f1f9a0bb4d2e4fa383217d4777c5842e1b61e9f7662c94ab83ce661c85d3b710362d963ea64339774fb3cb890e5c257d1fe86de37ad8a43d3e3a262cbb0fd3444b49ca51e8805d70d40ab5625d507cfecfe698e0ff8207a2fcde5e7b2f9c52dd74f60d235e031"}}}}}) 18:30:38 executing program 1: pipe2(&(0x7f0000000800)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) kevent(r0, 0x0, 0x0, 0x0, 0x0, 0x0) login: uvm_fault(0xfffffd8008492a10, 0xc, 0, 1) -> e kernel: page fault trap, code=0 Stopped at pf_addr_compare+0x47: movl 0xc(%r15),%r12d ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic kernel page fault uvm_fault(0xfffffd8008492a10, 0xc, 0, 1) -> e pf_addr_compare(0,ffff8000222b11c0,18) at pf_addr_compare+0x47 end trace frame: 0xffff8000222b1180, count: 0 ddb{1}> trace pf_addr_compare(0,ffff8000222b11c0,18) at pf_addr_compare+0x47 pflog_packet(ffff8000222b11a8,3,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 pf_test(18,1,ffff800000ae5000,ffff8000222b1478) at pf_test+0xfd2 ip6_input_if(ffff8000222b1478,ffff8000222b1484,29,0,ffff800000ae5000) at ip6_input_if+0x945 ipv6_input(ffff800000ae5000,fffffd806d8c5e00) at ipv6_input+0x48 tun_dev_write(5d00,ffff8000222b1768,ffff8000212ac000,2) at tun_dev_write+0x204 spec_write(ffff8000222b15c0) at spec_write+0xd4 VOP_WRITE(fffffd806e66f328,ffff8000222b1768,11,fffffd807f7b7900) at VOP_WRITE+0xc6 vn_write(fffffd80669f2ef8,ffff8000222b1768,0) at vn_write+0x14e dofilewritev(ffff80002123c7e8,f0,ffff8000222b1768,0,ffff8000222b1850) at dofilewritev+0x1ab sys_write(ffff80002123c7e8,ffff8000222b1800,ffff8000222b1850) at sys_write+0x83 syscall(ffff8000222b18d0) at syscall+0x4a1 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd30a35a9640, count: -13 ddb{1}> show registers rdi 0x18 rsi 0xffffffff8270a410 __sancov_gen_cov_switch_values.133 rbp 0xffff8000222b1080 rbx 0x18 rdx 0xffff800000029580 rcx 0x2 rax 0xffff80002123c7e8 r8 0xffffffff819cefab pf_addr_compare+0x3b r9 0x1 r10 0xc2e67e0c2dfc81c8 r11 0x5b798621285dce96 r12 0x18 r13 0xffff800000044980 r14 0xffff8000222b11c0 r15 0 rip 0xffffffff819cefb7 pf_addr_compare+0x47 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000222b1030 ss 0x10 pf_addr_compare+0x47: movl 0xc(%r15),%r12d ddb{1}> show proc PROC (syz-executor.0) pid=290936 stat=onproc flags process=0 proc=4000000 pri=51, usrpri=51, nice=20 forw=0xffffffffffffffff, list=0xffff80002123d508,0xffff80002123cd38 process=0xffff800021236608 user=0xffff8000222ac000, vmspace=0xfffffd8008492a10 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 10251 128683 83458 0 7 0 syz-executor.1 10251 413959 83458 0 2 0x4000000 syz-executor.1 5485 101771 42635 0 3 0x80 nanoslp syz-executor.0 * 5485 290936 42635 0 7 0x4000000 syz-executor.0 83458 171650 85291 0 3 0x82 nanoslp syz-executor.1 42635 87252 85291 0 3 0x82 nanoslp syz-executor.0 85291 63124 72093 0 3 0x82 thrsleep syz-fuzzer 85291 72735 72093 0 3 0x4000082 thrsleep syz-fuzzer 85291 178186 72093 0 3 0x4000082 thrsleep syz-fuzzer 85291 448561 72093 0 3 0x4000082 thrsleep syz-fuzzer 85291 446155 72093 0 3 0x4000082 thrsleep syz-fuzzer 85291 121700 72093 0 3 0x4000082 thrsleep syz-fuzzer 85291 482544 72093 0 3 0x4000082 kqread syz-fuzzer 85291 417200 72093 0 3 0x4000082 thrsleep syz-fuzzer 72093 67846 11637 0 3 0x10008a sigsusp ksh 11637 67163 57263 0 3 0x92 select sshd 46351 211928 1 0 3 0x100083 ttyin getty 57263 270234 1 0 3 0x80 select sshd 14218 91830 14182 74 3 0x100092 bpf pflogd 14182 288592 1 0 3 0x80 netio pflogd 40629 262746 54298 73 3 0x100090 kqread syslogd 54298 464959 1 0 3 0x100082 netio syslogd 55470 49114 1 77 3 0x100090 poll dhclient 47638 80793 1 0 3 0x80 poll dhclient 93386 219458 0 0 3 0x14200 bored smr 65314 321850 0 0 2 0x14200 zerothread 52779 399321 0 0 3 0x14200 aiodoned aiodoned 87467 327219 0 0 3 0x14200 syncer update 87399 199016 0 0 3 0x14200 cleaner cleaner 46956 113227 0 0 3 0x14200 reaper reaper 14229 141168 0 0 3 0x14200 pgdaemon pagedaemon 83507 173093 0 0 3 0x14200 bored crynlk 15741 80217 0 0 3 0x14200 bored crypto 93196 299296 0 0 3 0x14200 bored viomb 38202 12202 0 0 3 0x40014200 acpi0 acpi0 3181 252727 0 0 3 0x40014200 idle1 15765 351768 0 0 3 0x14200 bored softnet 16799 176076 0 0 3 0x14200 bored systqmp 78523 218333 0 0 3 0x14200 bored systq 59735 215748 0 0 3 0x40014200 bored softclock 658 1144 0 0 3 0x40014200 idle0 1 55864 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 5485 (syz-executor.0) thread 0xffff80002123c7e8 (290936) exclusive rwlock netlock r = 0 (0xffffffff826b8e70) #0 witness_lock+0x4b0 #1 tun_dev_write+0x1f9 #2 spec_write+0xd4 #3 VOP_WRITE+0xc6 #4 vn_write+0x14e #5 dofilewritev+0x1ab #6 sys_write+0x83 #7 syscall+0x4a1 #8 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff828b9f28) #0 witness_lock+0x4b0 #1 vn_write+0x42 #2 dofilewritev+0x1ab #3 sys_write+0x83 #4 syscall+0x4a1 #5 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9481 6416K 6416K 78643K 10571 0 pcb 13 8K 8K 78643K 13 0 rtable 105 3K 3K 78643K 199 0 ifaddr 44 10K 10K 78643K 45 0 counters 44 34K 34K 78643K 44 0 ioctlops 0 0K 4K 78643K 1469 0 mount 1 1K 1K 78643K 1 0 vnodes 1217 77K 77K 78643K 1222 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 1K 78643K 2 0 VM map 2 1K 1K 78643K 2 0 sem 2 0K 0K 78643K 2 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 6 17K 25K 78643K 38 0 proc 59 63K 95K 78643K 447 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 33 2K 2K 78643K 33 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 19 95K 95K 78643K 19 0 exec 0 0K 2K 78643K 358 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 175 32K 33K 78643K 848 0 UVM aobj 3 2K 2K 78643K 3 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 10 0K 0K 78643K 10 0 temp 66 3971K 4035K 78643K 2046 0 kqueue 3 4K 4K 78643K 3 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 6 0 0 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 120 19 0 17 1 0 1 1 0 8 0 rtentry 112 45 0 1 2 0 2 2 0 8 0 unpcb 120 25 0 15 1 0 1 1 0 8 0 syncache 296 4 0 4 1 1 0 1 0 8 0 tcpqe 32 442 0 442 2 1 1 1 0 8 1 tcpcb 736 10 0 6 1 0 1 1 0 8 0 inpcb 296 39 0 32 1 0 1 1 0 8 0 nd6 48 6 0 0 1 0 1 1 0 8 0 kcovpl 48 2 0 0 1 0 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 12 0 0 1 0 1 1 0 8 0 pfstkey 112 12 0 0 1 0 1 1 0 8 0 pfstate 328 12 0 0 1 0 1 1 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 188 0 0 12 0 12 12 0 8 0 art_table 32 189 0 0 2 0 2 2 0 8 0 art_node 16 44 0 4 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1428 0 24 88 0 88 88 0 8 0 ffsino 272 1428 0 24 95 1 94 94 0 8 0 nchpl 144 1649 0 44 60 0 60 60 0 8 0 uvmvnodes 72 1472 0 0 27 0 27 27 0 8 0 vnodes 224 1472 0 0 87 0 87 87 0 8 0 namei 1024 4269 0 4269 2 1 1 1 0 8 1 percpumem 16 33 0 0 1 0 1 1 0 8 0 scxspl 216 4874 0 4874 7 1 6 6 0 8 6 plimitpl 152 15 0 7 1 0 1 1 0 8 0 sigapl 424 254 0 221 4 0 4 4 0 8 0 futexpl 56 5 0 5 1 0 1 1 0 8 1 knotepl 112 62 0 42 1 0 1 1 0 8 0 kqueuepl 168 2 0 0 1 0 1 1 0 8 0 pipepl 336 76 0 65 1 0 1 1 0 8 0 fdescpl 496 238 0 221 3 0 3 3 0 8 0 filepl 152 1098 0 996 6 1 5 5 0 8 0 lockfpl 104 5 0 4 1 0 1 1 0 8 0 lockfspl 48 3 0 2 1 0 1 1 0 8 0 sessionpl 144 18 0 7 1 0 1 1 0 8 0 pgrppl 48 18 0 7 1 0 1 1 0 8 0 ucredpl 96 53 0 44 1 0 1 1 0 8 0 zombiepl 144 221 0 221 2 1 1 1 0 8 1 processpl 1080 254 0 221 3 0 3 3 0 8 0 procpl 672 265 0 223 5 1 4 4 0 8 0 sockpl 432 83 0 64 3 0 3 3 0 8 0 mcl4k 4096 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 449 0 0 56 0 56 56 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 445 0 0 28 0 28 28 0 8 0 bufpl 280 3335 0 181 226 0 226 226 0 8 0 anonpl 24 42518 0 22501 123 1 122 122 0 186 1 amapchunkpl 152 1446 0 902 23 0 23 23 0 158 1 amappl16 200 837 0 119 38 0 38 38 0 8 0 amappl15 192 2 0 0 1 0 1 1 0 8 0 amappl14 184 23 0 19 1 0 1 1 0 8 0 amappl13 176 26 0 24 1 0 1 1 0 8 0 amappl12 168 19 0 13 1 0 1 1 0 8 0 amappl11 160 58 0 40 1 0 1 1 0 8 0 amappl10 152 12 0 6 1 0 1 1 0 8 0 amappl9 144 288 0 288 1 1 0 1 0 8 0 amappl8 136 186 0 128 3 0 3 3 0 8 0 amappl7 128 245 0 237 1 0 1 1 0 8 0 amappl6 120 64 0 54 1 0 1 1 0 8 0 amappl5 112 375 0 355 1 0 1 1 0 8 0 amappl4 104 284 0 259 1 0 1 1 0 8 0 amappl3 96 124 0 117 1 0 1 1 0 8 0 amappl2 88 1042 0 960 3 1 2 3 0 8 0 amappl1 80 15651 0 15165 26 12 14 21 0 8 2 amappl 88 569 0 466 3 0 3 3 0 92 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 64 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 238 0 221 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 238 0 221 1 0 1 1 0 8 0 vmmpekpl 168 6068 0 6037 2 0 2 2 0 8 0 vmmpepl 168 37533 0 35443 124 6 118 118 0 357 27 vmsppl 368 237 0 221 2 0 2 2 0 8 0 rwobjpl 56 10069 0 8595 29 6 23 23 0 8 2 pdppl 4096 483 0 442 63 18 45 45 0 8 4 pvpl 32 139412 0 116309 191 0 191 191 0 265 3 pmappl 232 237 0 221 2 0 2 2 0 8 1 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 358 0 23 10 0 10 10 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff82771ff0) at x86_ipi_db+0x1a x86_ipi_handler() at x86_ipi_handler+0xb7 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x37 __mp_lock(ffffffff828b9d20) at __mp_lock+0x133 softintr_dispatch(0) at softintr_dispatch+0x4e Xsoftclock() at Xsoftclock+0x1f end of kernel end trace frame: 0x7f7ffffc1190, count: -7 ddb{0}> machine ddbcpu 1 Stopped at pf_addr_compare+0x47: movl 0xc(%r15),%r12d ddb{1}> trace pf_addr_compare(0,ffff8000222b11c0,18) at pf_addr_compare+0x47 pflog_packet(ffff8000222b11a8,3,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 pf_test(18,1,ffff800000ae5000,ffff8000222b1478) at pf_test+0xfd2 ip6_input_if(ffff8000222b1478,ffff8000222b1484,29,0,ffff800000ae5000) at ip6_input_if+0x945 ipv6_input(ffff800000ae5000,fffffd806d8c5e00) at ipv6_input+0x48 tun_dev_write(5d00,ffff8000222b1768,ffff8000212ac000,2) at tun_dev_write+0x204 spec_write(ffff8000222b15c0) at spec_write+0xd4 VOP_WRITE(fffffd806e66f328,ffff8000222b1768,11,fffffd807f7b7900) at VOP_WRITE+0xc6 vn_write(fffffd80669f2ef8,ffff8000222b1768,0) at vn_write+0x14e dofilewritev(ffff80002123c7e8,f0,ffff8000222b1768,0,ffff8000222b1850) at dofilewritev+0x1ab sys_write(ffff80002123c7e8,ffff8000222b1800,ffff8000222b1850) at sys_write+0x83 syscall(ffff8000222b18d0) at syscall+0x4a1 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd30a35a9640, count: -13