kern.securelevel: 0 -> 1 creating runtime link editor directory cache. preserving editor files. starting network daemons: sshd. starting local daemons:. Sat Jul 18 06:17:49 PDT 2020 OpenBSD/amd64 (ci-openbsd-multicore-4.c.syzkaller.internal) (tty00) Warning: Permanently added '10.128.0.51' (ECDSA) to the list of known hosts. 2020/07/18 06:18:24 parsed 1 programs 2020/07/18 06:18:30 executed programs: 0 2020/07/18 06:18:35 executed programs: 235 login: uvm_fault(0xffffffff828b7d00, 0xa, 0, 1) -> e kernel: page fault trap, code=0 Stopped at vio_rxeof+0x191: movzwl 0xa(%r15),%eax ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic kernel page fault uvm_fault(0xffffffff828b7d00, 0xa, 0, 1) -> e vio_rxeof(ffff80000017b000) at vio_rxeof+0x191 end trace frame: 0xffff800020d91c20, count: 0 ddb{0}> trace vio_rxeof(ffff80000017b000) at vio_rxeof+0x191 vio_rx_intr(ffff80000017b050) at vio_rx_intr+0x4d intr_handler(ffff800020d91c80,ffff800000255b80) at intr_handler+0x8f Xintr_ioapic_edge19_untramp() at Xintr_ioapic_edge19_untramp+0x19f acpicpu_idle() at acpicpu_idle+0x331 sched_idle(ffffffff82708ff0) at sched_idle+0x3f7 end trace frame: 0x0, count: -6 ddb{0}> show registers rdi 0xc rsi 0xc rbp 0xffff800020d91bc0 rbx 0xffff80000017b000 rdx 0 rcx 0xffff8000001ac000 rax 0x1 r8 0x2 r9 0 r10 0x4272080aa60b067e r11 0x3c9000b47910c7e7 r12 0xffff800000024c00 r13 0xc r14 0xfffffd806d7aae00 r15 0 rip 0xffffffff81508791 vio_rxeof+0x191 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800020d91b30 ss 0x10 vio_rxeof+0x191: movzwl 0xa(%r15),%eax ddb{0}> show proc PROC (idle0) pid=439837 stat=onproc flags process=14000 proc=40000200 pri=0, usrpri=50, nice=20 forw=0x575db19736e2089, list=0xffff800020d89d40,0xffff800020d89600 process=0xffff800020d8a7c0 user=0xffff800020d8c000, vmspace=0xffffffff828b7d00 estcpu=0, cpticks=5110, pctcpu=0.0 user=0, sys=0, intr=1 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 51630 58386 75834 0 3 0x2 biowait syz-executor.0 75834 294343 52361 0 3 0x82 thrsleep syz-execprog 75834 442110 52361 0 3 0x4000082 nanosleep syz-execprog 75834 229360 52361 0 3 0x4000082 thrsleep syz-execprog 75834 94039 52361 0 3 0x4000082 thrsleep syz-execprog 75834 304096 52361 0 3 0x4000082 thrsleep syz-execprog 75834 374722 52361 0 3 0x4000082 thrsleep syz-execprog 75834 436257 52361 0 3 0x4000082 nanosleep syz-execprog 75834 483676 52361 0 3 0x4000082 thrsleep syz-execprog 75834 71476 52361 0 3 0x4000082 kqread syz-execprog 52361 341516 90077 0 3 0x10008a pause ksh 90077 168682 29164 0 3 0x92 select sshd 64265 236320 1 0 3 0x100083 ttyin getty 29164 94375 1 0 3 0x80 select sshd 33594 428631 29553 74 3 0x100092 bpf pflogd 29553 198692 1 0 3 0x80 netio pflogd 19032 275343 17777 73 3 0x100090 kqread syslogd 17777 514247 1 0 3 0x100082 netio syslogd 48863 69750 1 77 3 0x100090 poll dhclient 18990 176434 1 0 3 0x80 poll dhclient 52483 246711 0 0 3 0x14200 bored smr 5186 443795 0 0 3 0x14200 pgzero zerothread 56062 10236 0 0 3 0x14200 aiodoned aiodoned 5139 467762 0 0 3 0x14200 syncer update 35717 309324 0 0 3 0x14200 cleaner cleaner 53648 245079 0 0 3 0x14200 reaper reaper 94289 36088 0 0 3 0x14200 pgdaemon pagedaemon 55809 437333 0 0 3 0x14200 bored crynlk 38167 94435 0 0 3 0x14200 bored crypto 58651 490323 0 0 3 0x40014200 acpi0 acpi0 6768 352081 0 0 7 0x40014200 idle1 39109 399125 0 0 3 0x14200 bored softnet 50420 404514 0 0 3 0x14200 bored systqmp 84078 458812 0 0 3 0x14200 bored systq 8944 225577 0 0 3 0x40014200 bored softclock *32553 439837 0 0 7 0x40014200 idle0 1 137092 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 51630 (syz-executor.0) thread 0xffff800020ddc9c8 (58386) exclusive rrwlock inode r = 0 (0xfffffd806b7bf2b8) #0 witness_lock+0x4c7 #1 rw_enter+0x453 #2 rrw_enter+0x88 #3 ufs_ihashins+0x45 #4 ffs_vget+0x13e #5 ffs_inode_alloc+0x1e2 #6 ufs_mkdir+0xf4 #7 VOP_MKDIR+0xc6 #8 domkdirat+0x121 #9 syscall+0x4a4 #10 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806b7bf5e8) #0 witness_lock+0x4c7 #1 rw_enter+0x453 #2 rrw_enter+0x88 #3 VOP_LOCK+0x4b #4 vn_lock+0x81 #5 vfs_lookup+0xe6 #6 namei+0x63c #7 domkdirat+0x75 #8 syscall+0x4a4 #9 Xsyscall+0x128 Process 32553 (idle0) thread 0xffff800020d89ad0 (439837) exclusive kernel_lock &kernel_lock r = 1 (0xffffffff828eb278) #0 witness_lock+0x4c7 #1 intr_handler+0x5e #2 Xintr_ioapic_edge19_untramp+0x19f #3 acpicpu_idle+0x331 #4 sched_idle+0x3f7 #5 proc_trampoline+0x1c ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9467 6396K 6396K 78643K 10560 0 pcb 13 8K 8K 78643K 13 0 rtable 83 2K 2K 78643K 163 0 ifaddr 37 9K 9K 78643K 283 0 counters 41 33K 33K 78643K 41 0 ioctlops 0 0K 4K 78643K 1468 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 1824 197K 290K 78643K 13058 0 file desc 2 4K 12K 78643K 262 0 proc 59 63K 83K 78643K 398 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 22 1K 1K 78643K 22 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 1K 78643K 197 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 75 12K 12K 78643K 1193 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 5 0K 0K 78643K 7 0 temp 29 3853K 3917K 78643K 2363 0 kqueue 3 4K 4K 78643K 3 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 4 0 0 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 17 0 15 1 0 1 1 0 8 0 rtentry 112 34 0 1 1 0 1 1 0 8 0 unpcb 120 29 0 19 1 0 1 1 0 8 0 syncache 264 5 0 5 2 2 0 1 0 8 0 tcpcb 544 8 0 5 1 0 1 1 0 8 0 inpcb 296 278 0 272 1 0 1 1 0 8 0 nd6 48 3 0 0 1 0 1 1 0 8 0 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 10 0 2 1 0 1 1 0 8 0 pfstkey 112 10 0 2 1 0 1 1 0 8 0 pfstate 328 10 0 2 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 256 144 0 0 9 0 9 9 0 8 0 art_table 32 145 0 0 2 0 2 2 0 8 0 art_node 16 33 0 3 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1669 0 267 88 0 88 88 0 8 0 ffsino 272 1669 0 267 94 0 94 94 0 8 0 nchpl 144 2132 0 529 60 0 60 60 0 8 0 uvmvnodes 72 1679 0 0 31 0 31 31 0 8 0 vnodes 208 1679 0 0 89 0 89 89 0 8 0 namei 1024 5209 0 5208 2 1 1 1 0 8 0 percpumem 16 31 0 0 1 0 1 1 0 8 0 scxspl 192 6122 0 6121 9 8 1 7 0 8 0 plimitpl 152 15 0 8 1 0 1 1 0 8 0 sigapl 424 485 0 456 4 0 4 4 0 8 0 knotepl 112 47 0 36 1 0 1 1 0 8 0 kqueuepl 144 2 0 0 1 0 1 1 0 8 0 pipepl 304 77 0 70 2 1 1 1 0 8 0 fdescpl 496 470 0 456 3 0 3 3 0 8 0 filepl 152 1605 0 1547 3 0 3 3 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 112 19 0 9 1 0 1 1 0 8 0 pgrppl 48 19 0 9 1 0 1 1 0 8 0 ucredpl 96 62 0 53 1 0 1 1 0 8 0 zombiepl 144 456 0 456 2 1 1 1 0 8 1 processpl 992 485 0 456 5 0 5 5 0 8 1 procpl 624 493 0 456 3 0 3 3 0 8 0 sockpl 400 324 0 306 2 0 2 2 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 72 0 0 9 0 9 9 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 110 0 0 6 0 6 6 0 8 0 mbufpl: pool(0xffffffff82907dc0:mbufpl): free list modified: page 0xfffffd806f0bc000; item ordinal 2; addr 0xfffffd806f0bcb00 (p 0xfffffd806f2d1000); offset 0x0=0x0 pool(mbufpl): free list modified: page 0xfffffd806f0bc000; item ordinal 2; addr 0xfffffd806f0bcb00 (p 0xfffffd806f2d1000); offset 0x0=0x0 mbufpl: pool(0xffffffff82907dc0:mbufpl): page inconsistency: page 0xfffffd806f0bc000; item ordinal 3; addr 0x9b5591e393381e0a bufpl 280 3295 0 133 226 0 226 226 0 8 0 anonpl 16 28685 0 26885 14 2 12 12 0 124 3 amapchunkpl 152 1069 0 1007 4 0 4 4 0 158 0 amappl16 192 1138 0 1095 3 0 3 3 0 8 0 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 38 0 33 1 0 1 1 0 8 0 amappl13 168 22 0 20 2 1 1 1 0 8 0 amappl12 160 11 0 9 2 1 1 1 0 8 0 amappl11 152 54 0 39 1 0 1 1 0 8 0 amappl10 144 20 0 17 1 0 1 1 0 8 0 amappl9 136 481 0 479 1 0 1 1 0 8 0 amappl8 128 518 0 510 1 0 1 1 0 8 0 amappl7 120 117 0 105 1 0 1 1 0 8 0 amappl6 112 23 0 20 2 1 1 1 0 8 0 amappl5 104 370 0 356 1 0 1 1 0 8 0 amappl4 96 505 0 475 1 0 1 1 0 8 0 amappl3 88 107 0 100 1 0 1 1 0 8 0 amappl2 80 1396 0 1339 3 1 2 2 0 8 0 amappl1 72 17156 0 16737 24 6 18 18 0 8 8 amappl 80 720 0 693 1 0 1 1 0 84 0 dma4096 4096 1 0 1 1 1 0 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 24 470 0 456 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 470 0 456 1 0 1 1 0 8 0 vmmpekpl 168 6901 0 6874 2 0 2 2 0 8 0 vmmpepl 168 43808 0 42860 86 13 73 73 0 357 30 vmsppl 368 469 0 456 2 0 2 2 0 8 0 pdppl 4096 947 0 912 6 0 6 6 0 8 1 pvpl 32 139986 0 135807 109 5 104 104 0 265 69 pmappl 232 469 0 456 1 0 1 1 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 231 0 4 7 0 7 7 0 8 0 ddb{0}>