kern.securelevel: 0 -> 1 creating runtime link editor directory cache. preserving editor files. starting network daemons: sshd. starting local daemons:. Wed Jan 20 14:43:17 PST 2021 OpenBSD/amd64 (ci-openbsd-multicore-6.c.syzkaller.internal) (tty00) Warning: Permanently added '10.128.0.109' (ECDSA) to the list of known hosts. login: uvm_fault(0xfffffd806e94ba18, 0x0, 0, 1) -> e kernel: page fault trap, code=0 Stopped at pf_addr_compare+0x6b: movl 0(%r15),%r15d ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic kernel page fault uvm_fault(0xfffffd806e94ba18, 0x0, 0, 1) -> e pf_addr_compare(0,ffff800021256be0,2) at pf_addr_compare+0x6b end trace frame: 0xffff800021256ba0, count: 0 ddb{0}> trace pf_addr_compare(0,ffff800021256be0,2) at pf_addr_compare+0x6b pflog_packet(ffff800021256bc8,3,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 pf_test(2,2,ffff80000017b2a8,ffff800021256dc8) at pf_test+0xfd2 ip_output(fffffd807eada100,0,fffffd806f6d13e8,20,0,fffffd806f6d1378) at ip_output+0xc6b rip_output(fffffd807eada100,fffffd806fc08888,ffff800021256ed0,f) at rip_output+0x251 rip_usrreq(fffffd806fc08888,9,fffffd807eada100,0,0,ffff8000ffff6550) at rip_usrreq+0x4bf sosend(fffffd806fc08888,0,ffff800021257170,0,0,0) at sosend+0x601 dofilewritev(ffff8000ffff6550,3,ffff800021257170,0,ffff800021257260) at dofilewritev+0x1ab sys_writev(ffff8000ffff6550,ffff800021257218,ffff800021257260) at sys_writev+0xa7 syscall(ffff8000212572e0) at syscall+0x4a1 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff9590, count: -11 ddb{0}> show registers rdi 0x2 rsi 0xffffffff8270a410 __sancov_gen_cov_switch_values.133 rbp 0xffff800021256aa0 rbx 0x2 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffffffff819cefab pf_addr_compare+0x3b r9 0x1 r10 0xbfeea783ee078cf6 r11 0x5395cd02196f263a r12 0x2 r13 0xffff800000044a00 r14 0xffff800021256be0 r15 0 rip 0xffffffff819cefdb pf_addr_compare+0x6b cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800021256a50 ss 0x10 pf_addr_compare+0x6b: movl 0(%r15),%r15d ddb{0}> show proc PROC (syz-executor0962) pid=95066 stat=onproc flags process=2 proc=0 pri=54, usrpri=54, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff7510,0xffffffff828c8868 process=0xffff800021237b20 user=0xffff800021252000, vmspace=0xfffffd806e94ba18 estcpu=4, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND *71008 95066 6592 0 7 0x2 syz-executor0962 6592 451455 70728 0 3 0x10008a sigsusp ksh 70728 263584 57502 0 7 0x12 sshd 63795 59588 1 0 3 0x100083 ttyin getty 57502 516612 1 0 3 0x80 select sshd 12668 315291 26638 74 3 0x100092 bpf pflogd 26638 129489 1 0 3 0x80 netio pflogd 25675 185112 35318 73 3 0x100090 kqread syslogd 35318 138855 1 0 3 0x100082 netio syslogd 41221 44019 1 77 3 0x100090 poll dhclient 73078 43653 1 0 3 0x80 poll dhclient 87927 502450 0 0 3 0x14200 bored smr 26478 371514 0 0 3 0x14200 pgzero zerothread 46467 443684 0 0 3 0x14200 aiodoned aiodoned 3239 34033 0 0 3 0x14200 syncer update 43826 217996 0 0 3 0x14200 cleaner cleaner 14136 55430 0 0 3 0x14200 reaper reaper 60937 365219 0 0 3 0x14200 pgdaemon pagedaemon 48456 303693 0 0 3 0x14200 bored crynlk 37316 77970 0 0 3 0x14200 bored crypto 83068 263323 0 0 3 0x14200 bored viomb 65536 49758 0 0 3 0x40014200 acpi0 acpi0 7360 116311 0 0 3 0x40014200 idle1 56808 370491 0 0 3 0x14200 bored softnet 42468 107045 0 0 3 0x14200 bored systqmp 3645 331484 0 0 3 0x14200 bored systq 74213 149573 0 0 3 0x40014200 bored softclock 87377 478903 0 0 3 0x40014200 idle0 1 399919 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 71008 (syz-executor0962) thread 0xffff8000ffff6550 (95066) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff828b9f28) #0 witness_lock+0x4b0 #1 kpageflttrap+0x23f #2 kerntrap+0xef #3 alltraps_kern_meltdown+0x7b #4 pf_addr_compare+0x6b #5 pflog_packet+0x3e7 #6 pf_test+0xfd2 #7 ip_output+0xc6b #8 rip_output+0x251 #9 rip_usrreq+0x4bf #10 sosend+0x601 #11 dofilewritev+0x1ab #12 sys_writev+0xa7 #13 syscall+0x4a1 #14 Xsyscall+0x128 exclusive rwlock netlock r = 0 (0xffffffff826b8e70) #0 witness_lock+0x4b0 #1 solock+0x5a #2 sosend+0x4e5 #3 dofilewritev+0x1ab #4 sys_writev+0xa7 #5 syscall+0x4a1 #6 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9475 6411K 6412K 78643K 10565 0 pcb 13 8K 8K 78643K 15 0 rtable 61 2K 2K 78643K 127 0 ifaddr 29 8K 8K 78643K 30 0 counters 40 33K 33K 78643K 40 0 ioctlops 0 0K 4K 78643K 1467 0 mount 1 1K 1K 78643K 1 0 vnodes 1183 74K 75K 78643K 1188 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 1 0K 0K 78643K 1 0 proc 59 63K 71K 78643K 367 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 11 0K 0K 78643K 11 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 302 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 36 2K 2K 78643K 594 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 4 0K 0K 78643K 4 0 temp 23 3969K 4033K 78643K 1688 0 kqueue 2 2K 2K 78643K 2 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 2 0 0 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 120 15 0 13 1 0 1 1 0 8 0 rtentry 112 23 0 1 1 0 1 1 0 8 0 unpcb 120 29 0 19 1 0 1 1 0 8 0 syncache 296 5 0 5 2 1 1 1 0 8 1 tcpcb 736 8 0 5 1 0 1 1 0 8 0 inpcb 296 30 0 23 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 8 0 0 1 0 1 1 0 8 0 pfstkey 112 8 0 0 1 0 1 1 0 8 0 pfstate 328 8 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 96 0 0 6 0 6 6 0 8 0 art_table 32 97 0 0 1 0 1 1 0 8 0 art_node 16 22 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1398 0 16 87 0 87 87 0 8 0 ffsino 272 1398 0 16 93 0 93 93 0 8 0 nchpl 144 1572 0 33 59 1 58 58 0 8 0 uvmvnodes 72 1408 0 0 26 0 26 26 0 8 0 vnodes 224 1408 0 0 83 0 83 83 0 8 0 namei 1024 3780 0 3780 2 1 1 1 0 8 1 percpumem 16 31 0 0 1 0 1 1 0 8 0 scxspl 216 3397 0 3397 2 1 1 2 0 8 1 plimitpl 152 14 0 8 1 0 1 1 0 8 0 sigapl 424 221 0 192 4 0 4 4 0 8 0 knotepl 112 5 0 0 1 0 1 1 0 8 0 kqueuepl 168 1 0 0 1 0 1 1 0 8 0 pipepl 336 64 0 60 2 1 1 1 0 8 0 fdescpl 496 205 0 192 3 0 3 3 0 8 0 filepl 152 958 0 909 2 0 2 2 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 9 1 0 1 1 0 8 0 pgrppl 48 18 0 9 1 0 1 1 0 8 0 ucredpl 96 62 0 53 1 0 1 1 0 8 0 zombiepl 144 192 0 192 2 1 1 1 0 8 1 processpl 1080 221 0 192 3 0 3 3 0 8 0 procpl 672 221 0 192 3 0 3 3 0 8 0 sockpl 432 74 0 55 4 1 3 3 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 76 0 0 10 0 10 10 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 88 0 0 6 0 6 6 0 8 0 bufpl 280 1992 0 112 135 0 135 135 0 8 0 anonpl 24 19693 0 18465 10 2 8 10 0 186 0 amapchunkpl 152 527 0 490 3 1 2 3 0 158 0 amappl16 200 84 0 79 1 0 1 1 0 8 0 amappl15 192 1 0 0 1 0 1 1 0 8 0 amappl14 184 22 0 19 1 0 1 1 0 8 0 amappl13 176 14 0 13 2 1 1 1 0 8 0 amappl12 168 2 0 2 2 1 1 1 0 8 1 amappl11 160 51 0 36 1 0 1 1 0 8 0 amappl10 152 7 0 5 1 0 1 1 0 8 0 amappl9 144 228 0 227 1 0 1 1 0 8 0 amappl8 136 59 0 58 1 0 1 1 0 8 0 amappl7 128 210 0 209 1 0 1 1 0 8 0 amappl6 120 55 0 48 1 0 1 1 0 8 0 amappl5 112 355 0 338 1 0 1 1 0 8 0 amappl4 104 277 0 256 1 0 1 1 0 8 0 amappl3 96 105 0 98 1 0 1 1 0 8 0 amappl2 88 853 0 801 2 0 2 2 0 8 0 amappl1 80 14229 0 13808 17 7 10 17 0 8 0 amappl 88 403 0 383 1 0 1 1 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 24 205 0 192 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 205 0 192 1 0 1 1 0 8 0 vmmpekpl 168 5579 0 5561 1 0 1 1 0 8 0 vmmpepl 168 29762 0 28941 47 8 39 47 0 357 0 vmsppl 368 204 0 192 2 0 2 2 0 8 0 rwobjpl 56 7608 0 7062 14 5 9 13 0 8 1 pdppl 4096 417 0 384 51 18 33 39 0 8 0 pvpl 32 80689 0 77706 32 4 28 28 0 265 1 pmappl 232 204 0 192 1 0 1 1 0 8 0 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 270 0 23 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace pf_addr_compare(0,ffff800021256be0,2) at pf_addr_compare+0x6b pflog_packet(ffff800021256bc8,3,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 pf_test(2,2,ffff80000017b2a8,ffff800021256dc8) at pf_test+0xfd2 ip_output(fffffd807eada100,0,fffffd806f6d13e8,20,0,fffffd806f6d1378) at ip_output+0xc6b rip_output(fffffd807eada100,fffffd806fc08888,ffff800021256ed0,f) at rip_output+0x251 rip_usrreq(fffffd806fc08888,9,fffffd807eada100,0,0,ffff8000ffff6550) at rip_usrreq+0x4bf sosend(fffffd806fc08888,0,ffff800021257170,0,0,0) at sosend+0x601 dofilewritev(ffff8000ffff6550,3,ffff800021257170,0,ffff800021257260) at dofilewritev+0x1ab sys_writev(ffff8000ffff6550,ffff800021257218,ffff800021257260) at sys_writev+0xa7 syscall(ffff8000212572e0) at syscall+0x4a1 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff9590, count: -11 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800020d68ff0) at x86_ipi_db+0x1a x86_ipi_handler() at x86_ipi_handler+0xb7 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff828b9d20) at __mp_lock+0x122 syscall(ffff8000211f88e0) at syscall+0x3fd Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffde9f0, count: -6 ddb{1}>