kern.securelevel: 0 -> 1 creating runtime link editor directory cache. preserving editor files. starting network daemons: sshd. starting local daemons:. Thu Dec 3 22:33:44 PST 2020 OpenBSD/amd64 (ci-openbsd-multicore-0.c.syzkaller.internal) (tty00) Warning: Permanently added '10.128.0.84' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program login: wsmuxopen: dev already in use uvm_fault(0xfffffd800848ea10, 0x28, 0, 1) -> e kernel: page fault trap, code=0 Stopped at wsevent_fini+0x12: movq 0x28(%r14),%r15 ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic kernel page fault uvm_fault(0xfffffd800848ea10, 0x28, 0, 1) -> e wsevent_fini(0) at wsevent_fini+0x12 end trace frame: 0xffff80002126d490, count: 0 ddb{1}> trace wsevent_fini(0) at wsevent_fini+0x12 wsmouseclose(4400,81,2000,ffff8000211c2008) at wsmouseclose+0x91 spec_close(ffff80002126d510) at spec_close+0x311 VOP_CLOSE(fffffd806e678688,81,fffffd807f7b7b40,ffff8000211c2008) at VOP_CLOSE+0xeb vn_closefile(fffffd806eb25e48,ffff8000211c2008) at vn_closefile+0xd7 fdrop(fffffd806eb25e48,ffff8000211c2008) at fdrop+0xc2 closef(fffffd806eb25e48,ffff8000211c2008) at closef+0x11c fdfree(ffff8000211c2008) at fdfree+0xf4 exit1(ffff8000211c2008,0,0,1) at exit1+0x340 sys_exit(ffff8000211c2008,ffff80002126d7a0,ffff80002126d7f0) at sys_exit+0x16 syscall(ffff80002126d870) at syscall+0x4a1 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd3cc0, count: -12 ddb{1}> show registers rdi 0 rsi 0xffff8000211c200c rbp 0xffff80002126d440 rbx 0 rdx 0x8b rcx 0 rax 0x1 r8 0xffffffff81e5a2be witness_assert+0x1fe r9 0x5 r10 0x50c3f31ce569cd00 r11 0x2f780684fcac36fb r12 0x4000 __ALIGN_SIZE+0x3000 r13 0x2000 __ALIGN_SIZE+0x1000 r14 0 r15 0 rip 0xffffffff820a3782 wsevent_fini+0x12 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002126d420 ss 0x10 wsevent_fini+0x12: movq 0x28(%r14),%r15 ddb{1}> show proc PROC (syz-executor0371) pid=500180 stat=onproc flags process=8 proc=2000 pri=0, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff6a50,0xffffffff828ea588 process=0xffff8000212354b0 user=0xffff800021268000, vmspace=0xfffffd800848ea10 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 16899 517590 12473 0 3 0x80 nanosleep syz-executor0371 34123 340221 12473 0 3 0x80 nanosleep syz-executor0371 12473 45085 97766 0 3 0x82 nanosleep syz-executor0371 97766 145901 46949 0 3 0x10008a pause ksh 46949 424433 20250 0 3 0x92 select sshd 67443 31530 1 0 3 0x100083 ttyin getty 20250 130389 1 0 3 0x80 select sshd 94938 246857 56078 74 3 0x100092 bpf pflogd 56078 428767 1 0 3 0x80 netio pflogd 6573 209361 15465 73 3 0x100090 kqread syslogd 15465 200168 1 0 3 0x100082 netio syslogd 93692 422475 1 77 3 0x100090 poll dhclient 97424 443748 1 0 3 0x80 poll dhclient 29576 292105 0 0 3 0x14200 bored smr 13589 162249 0 0 3 0x14200 pgzero zerothread 75563 234572 0 0 3 0x14200 aiodoned aiodoned 59858 369105 0 0 3 0x14200 syncer update 99626 66242 0 0 3 0x14200 cleaner cleaner 45536 319786 0 0 3 0x14200 reaper reaper 74126 402768 0 0 3 0x14200 pgdaemon pagedaemon 35159 72372 0 0 3 0x14200 bored crynlk 73122 121579 0 0 3 0x14200 bored crypto 85253 11926 0 0 3 0x14200 bored viomb 4407 462083 0 0 3 0x40014200 acpi0 acpi0 61668 10261 0 0 3 0x40014200 idle1 50376 42577 0 0 3 0x14200 bored softnet 92225 523081 0 0 3 0x14200 bored systqmp 63796 338259 0 0 3 0x14200 bored systq 53062 169768 0 0 3 0x40014200 bored softclock 28312 42800 0 0 7 0x40014200 idle0 1 146310 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9480 6413K 6431K 78643K 10669 0 pcb 13 8K 8K 78643K 13 0 rtable 61 2K 2K 78643K 127 0 ifaddr 29 8K 8K 78643K 30 0 counters 39 33K 33K 78643K 39 0 ioctlops 0 0K 4K 78643K 1467 0 mount 1 1K 1K 78643K 1 0 vnodes 1185 75K 75K 78643K 1224 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 1825 197K 290K 78643K 13109 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 41 2K 2K 78643K 633 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 3957K 4021K 78643K 1791 0 kqueue 2 2K 2K 78643K 2 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 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 29 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 9 0 2 1 0 1 1 0 8 0 pfstkey 112 9 0 2 1 0 1 1 0 8 0 pfstate 328 9 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 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 1436 0 50 87 0 87 87 0 8 0 ffsino 272 1436 0 50 93 0 93 93 0 8 0 nchpl 144 1646 0 103 59 1 58 58 0 8 0 uvmvnodes 72 1482 0 0 27 0 27 27 0 8 0 vnodes 208 1482 0 0 78 0 78 78 0 8 0 namei 1024 4034 0 4034 2 1 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 scxspl 216 3771 0 3771 10 9 1 8 0 8 1 plimitpl 152 14 0 8 1 0 1 1 0 8 0 sigapl 424 259 0 227 4 0 4 4 0 8 0 knotepl 112 5 0 0 1 0 1 1 0 8 0 kqueuepl 152 1 0 0 1 0 1 1 0 8 0 pipepl 304 64 0 60 2 1 1 1 0 8 0 fdescpl 496 243 0 227 3 0 3 3 0 8 0 filepl 152 1099 0 1050 3 0 3 3 0 8 1 lockfpl 104 75 0 74 1 0 1 1 0 8 0 lockfspl 48 38 0 37 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 144 228 0 226 2 1 1 1 0 8 0 processpl 1056 259 0 226 3 0 3 3 0 8 0 procpl 656 259 0 226 3 0 3 3 0 8 0 sockpl 400 73 0 55 2 0 2 2 0 8 0 mcl4k 4096 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 81 0 0 10 0 10 10 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 100 0 0 6 0 6 6 0 8 0 bufpl 280 2014 0 112 136 0 136 136 0 8 0 anonpl 16 20020 0 18751 8 2 6 7 0 124 0 amapchunkpl 152 549 0 509 2 0 2 2 0 158 0 amappl16 192 119 0 108 1 0 1 1 0 8 0 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 22 0 19 1 0 1 1 0 8 0 amappl13 168 14 0 13 2 1 1 1 0 8 0 amappl12 160 7 0 7 1 1 0 1 0 8 0 amappl11 152 54 0 39 1 0 1 1 0 8 0 amappl10 144 9 0 7 1 0 1 1 0 8 0 amappl9 136 220 0 220 2 1 1 1 0 8 1 amappl8 128 58 0 57 1 0 1 1 0 8 0 amappl7 120 209 0 208 1 0 1 1 0 8 0 amappl6 112 57 0 50 1 0 1 1 0 8 0 amappl5 104 356 0 336 1 0 1 1 0 8 0 amappl4 96 279 0 254 1 0 1 1 0 8 0 amappl3 88 139 0 131 1 0 1 1 0 8 0 amappl2 80 873 0 818 3 1 2 2 0 8 0 amappl1 72 14350 0 13911 15 6 9 15 0 8 0 amappl 80 440 0 417 1 0 1 1 0 84 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 24 243 0 227 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 243 0 227 1 0 1 1 0 8 0 vmmpekpl 168 5656 0 5639 1 0 1 1 0 8 0 vmmpepl 168 30905 0 29986 55 13 42 48 0 357 0 vmsppl 368 242 0 227 2 0 2 2 0 8 0 pdppl 4096 493 0 454 59 18 41 41 0 8 2 pvpl 32 82242 0 79109 33 4 29 29 0 265 2 pmappl 232 242 0 227 1 0 1 1 0 8 0 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 278 0 22 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff826b7ff0) at x86_ipi_db+0x1a x86_ipi_handler() at x86_ipi_handler+0xb7 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff828ea210) at __mp_lock+0x133 softintr_dispatch(0) at softintr_dispatch+0x4e Xsoftclock() at Xsoftclock+0x1f acpicpu_idle() at acpicpu_idle+0x2eb sched_idle(ffffffff826b7ff0) at sched_idle+0x417 end trace frame: 0x0, count: -8 ddb{0}> machine ddbcpu 1 Stopped at wsevent_fini+0x12: movq 0x28(%r14),%r15 ddb{1}> trace wsevent_fini(0) at wsevent_fini+0x12 wsmouseclose(4400,81,2000,ffff8000211c2008) at wsmouseclose+0x91 spec_close(ffff80002126d510) at spec_close+0x311 VOP_CLOSE(fffffd806e678688,81,fffffd807f7b7b40,ffff8000211c2008) at VOP_CLOSE+0xeb vn_closefile(fffffd806eb25e48,ffff8000211c2008) at vn_closefile+0xd7 fdrop(fffffd806eb25e48,ffff8000211c2008) at fdrop+0xc2 closef(fffffd806eb25e48,ffff8000211c2008) at closef+0x11c fdfree(ffff8000211c2008) at fdfree+0xf4 exit1(ffff8000211c2008,0,0,1) at exit1+0x340 sys_exit(ffff8000211c2008,ffff80002126d7a0,ffff80002126d7f0) at sys_exit+0x16 syscall(ffff80002126d870) at syscall+0x4a1 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd3cc0, count: -12 ddb{1}>