login: ÉûÎ÷4“4ÙzÞužtap6€ /dev/bpfö°öèÍ™š)¯ ØÓÒ ÷ëN›¼0uvm_fault(0xfffffd806c1c4d70, 0x0, 0, 1) -> e fatal page fault in supervisor mode trap type 6 code 0 rip ffffffff81fa4c08 cs 8 rflags 10207 cr2 0 cpl 0 rsp ffff8000353e3b00 gsbase 0xffff8000299edff0 kgsbase 0x0 panic: trap type 6, code=0, pc=ffffffff81fa4c08 Starting stack trace... panic(ffffffff833b6083) at panic+0x1d0 sys/kern/subr_prf.c:229 kerntrap(ffff8000353e3a50) at kerntrap+0x30b alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b dt_ioctl_record_stop(ffff8000014a0000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(11e5f,81,2000,ffff8000fffe94e0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff8000fffe94e0) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff8000353e3c00) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd80641dc388,81,fffffd80097fb548,ffff8000fffe94e0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd80695b70e8,ffff8000fffe94e0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd80695b70e8,ffff8000fffe94e0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd80695b70e8,ffff8000fffe94e0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd80695b70e8,ffff8000fffe94e0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000fffe94e0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000fffe94e0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffe94e0,ffff8000353e3f70,ffff8000353e3ec0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000353e3f70) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000353e3f70) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x745f6d3d2200, count: 242 End of stack trace. WARNING: SPL NOT LOWERED ON TRAP EXIT 4 0 Stopped at proc_trampoline+0xc7: movl $0,%gs:0x688 TID PID UID PRFLAGS PFLAGS CPU COMMAND 388109 52265 0 0 0 0 syz-executor *420032 9430 0 0 0 1 syz-executor proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x77b389eb2d30, count: 14 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: uvm_fault(0xfffffd806c1c4d70, 0x0, 0, 1) -> e ddb{1}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x77b389eb2d30, count: -1 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff800037002a30 rbx 0 rdx 0 rcx 0xffff80003c41e7f0 rax 0x2a r8 0xffff800037002960 r9 0x1 r10 0x1a2fd9377f8e07a1 r11 0xaa502f49645b6d43 r12 0 r13 0xffffffff826ea088 Xdoreti+0x18 r14 0 r15 0 rip 0xffffffff812c84c7 proc_trampoline+0xc7 cs 0x8 rflags 0x246 rsp 0xffff8000370029b0 ss 0x10 proc_trampoline+0xc7: movl $0,%gs:0x688 ddb{1}> show proc PROC (syz-executor) tid=420032 pid=9430 tcnt=3 stat=onproc flags process=0 proc=0 runpri=86, usrpri=86, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000fffe9a10,0xffff80003c41ea98 process=0xffff8000fffe66a0 user=0xffff800036ffd000, vmspace=0xfffffd806c1c4200 estcpu=36, cpticks=8, pctcpu=0.0, user=7, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 52265 388109 98272 0 7 0 syz-executor 52265 198587 98272 0 2 0x4000000 syz-executor 98405 323979 64609 0 2 0 syz-executor 98405 300108 64609 0 3 0x4000080 fsleep syz-executor 98405 335591 64609 0 3 0x4000080 fsleep syz-executor 32226 86568 25882 0 3 0x80 nanoslp syz-executor 32226 155771 25882 0 3 0x4000080 ttyin syz-executor 32226 312369 25882 0 3 0x4000080 fsleep syz-executor * 9430 420032 44044 0 7 0 syz-executor 9430 36095 44044 0 3 0x4000080 kqpoll syz-executor 9430 267538 44044 0 2 0x4000000 syz-executor 17032 306778 90740 -1 2 0x10 syz-executor 17032 301778 90740 -1 3 0x4000090 kqread syz-executor 17032 145160 90740 -1 3 0x4000090 fsleep syz-executor 67623 228606 1 0 3 0x100083 ttyin getty 15424 162744 0 0 3 0x14200 bored sosplice 44044 320177 37926 0 3 0x82 nanoslp syz-executor 90740 181200 37926 0 3 0x82 nanoslp syz-executor 51833 244402 37926 0 3 0x10000082 nanoslp syz-executor 69731 113560 37926 0 3 0x82 nanoslp syz-executor 98272 503626 37926 0 3 0x82 nanoslp syz-executor 64609 206038 37926 0 3 0x82 nanoslp syz-executor 95825 436783 37926 0 3 0x82 wait syz-executor 25882 196139 37926 0 3 0x82 nanoslp syz-executor 37926 400121 96311 0 3 0x82 kqread syz-executor 96311 247350 61488 0 3 0x10008a sigsusp ksh 61488 519604 6846 0 3 0x98 kqread sshd-session 6846 96270 322 0 3 0x92 kqread sshd-session 322 392807 1 0 3 0x88 kqread sshd 42745 447871 5776 74 3 0x1100092 bpf pflogd 5776 138474 1 0 3 0x80 sbwait pflogd 57019 219363 41428 73 3 0x1100090 kqread syslogd 41428 300634 1 0 3 0x100082 sbwait syslogd 14336 74962 1 0 3 0x100080 kqread resolvd 33362 513102 41343 77 3 0x100092 kqread dhcpleased 98735 113353 41343 77 3 0x100092 kqread dhcpleased 41343 357750 1 0 3 0x80 kqread dhcpleased 29989 93150 0 0 3 0x14200 bored smr 96405 16026 0 0 2 0x14200 zerothread 97478 155454 0 0 3 0x14200 aiodoned aiodoned 84087 500703 0 0 3 0x14200 syncer update 22299 91040 0 0 3 0x14200 cleaner cleaner 54581 390027 0 0 3 0x14200 reaper reaper 87919 227041 0 0 3 0x14200 pgdaemon pagedaemon 80013 68780 0 0 3 0x14200 bored viomb 50506 152600 0 0 3 0x40014200 acpi0 acpi0 21181 500205 0 0 3 0x40014200 idle1 51710 357934 0 0 3 0x14200 bored softnet1 48012 177984 0 0 3 0x14200 netlock softnet0 55744 76632 0 0 2 0x40014200 systqmp 54536 364510 0 0 3 0x14200 bored systq 20172 498232 0 0 3 0x14200 tmoslp softclockmp 30194 143595 0 0 3 0x40014200 tmoslp softclock 39094 34631 0 0 3 0x40014200 idle0 1 320369 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 10231 11160K 11208K 166960K 11847 0 pcb 17 14K 16K 166960K 263 0 rtable 256 12K 14K 166960K 548 0 pf 40 18K 24K 166960K 147 0 ifaddr 44 7K 8K 166960K 89 0 ifgroup 63 2K 2K 166960K 148 0 sysctl 4 1K 9K 166960K 11 0 counters 76 37K 38K 166960K 252 0 ioctlops 0 0K 4K 166960K 1685 0 iov 0 0K 16K 166960K 53 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1400 88K 88K 166960K 2020 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 9 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 97 0 dirhash 12 2K 2K 166960K 36 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 97K 166960K 946 0 sigio 0 0K 0K 166960K 13 0 proc 72 115K 180K 166960K 626 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 108 0 in_multi 84 6K 7K 166960K 132 0 ether_multi 1 0K 0K 166960K 6 0 mrt 2 0K 0K 166960K 7 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 109 493K 493K 166960K 109 0 exec 0 0K 1K 166960K 519 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 3 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 243 159K 174K 166960K 10815 0 UVM aobj 10 4K 4K 166960K 12 0 pinsyscall 42 84K 108K 166960K 2104 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 56 0 NDP 15 0K 2K 166960K 61 0 temp 63 8652K 8728K 166960K 46289 0 kqueue 16 24K 30K 166960K 172 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 26 0 0 1 0 1 1 0 8 0 rtpcb 120 86 0 81 1 0 1 1 0 8 0 rtentry 176 149 0 48 6 0 6 6 0 8 0 unpcb 144 671 0 654 5 3 2 4 0 8 1 syncache 336 9 0 9 2 1 1 1 0 8 1 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 736 324 0 319 7 2 5 5 0 8 4 arp 136 23 0 5 1 0 1 1 0 8 0 inpcb 328 1001 0 990 10 0 10 10 0 8 8 nd6 152 32 0 8 2 0 2 2 0 8 0 pkpcb 40 8 0 8 2 1 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 mppekey 1024 2 0 2 1 1 0 1 0 8 0 ppxss 1192 82 0 79 2 1 1 1 0 8 0 pppxif 1504 4 0 4 2 2 0 1 0 8 0 pffrag 232 6 0 0 1 0 1 1 0 482 0 pffrnode 88 5 0 0 1 0 1 1 0 8 0 pffrent 40 10 0 4 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 pfrktable 1344 15 0 15 1 1 0 1 0 8 0 pfanchor 1288 3 0 3 1 1 0 1 0 8 0 pftag 88 3 0 3 1 1 0 1 0 8 0 pfstitem 24 69 0 26 1 0 1 1 0 8 0 pfstkey 128 69 0 26 2 0 2 2 0 8 0 pfstate 384 69 0 26 5 0 5 5 0 8 0 pfrule 1344 25 0 20 2 1 1 2 0 8 0 rttmr 136 2 0 2 2 1 1 1 0 8 1 art_heap8 4096 4 0 0 4 0 4 4 0 8 0 art_heap4 256 589 0 175 30 2 28 30 0 8 2 art_table 40 593 0 175 5 0 5 5 0 8 0 art_node 32 148 0 56 1 0 1 1 0 8 0 sysvmsgpl 40 14 0 11 1 0 1 1 0 8 0 semupl 112 4 0 4 1 1 0 1 0 8 0 semapl 112 94 0 84 1 0 1 1 0 8 0 shmpl 112 9 0 2 1 0 1 1 0 8 0 dirhash 1024 34 0 17 3 0 3 3 0 8 0 dino2pl 256 3264 0 1754 96 0 96 96 0 8 0 ffsino 296 3264 0 1754 118 1 117 118 0 8 0 nchpl 144 4586 0 2881 64 0 64 64 0 8 0 rtmask 32 8 0 8 4 3 1 1 0 8 1 vnodes 216 3622 0 0 202 0 202 202 0 8 0 namei 1024 15849 0 15849 2 1 1 2 0 8 1 percpumem 16 141 0 88 1 0 1 1 0 8 0 pfiaddrpl 120 3 0 3 1 1 0 1 0 8 0 kstatmem 264 92 0 58 3 0 3 3 0 8 0 scsiplug 72 2 0 2 2 1 1 1 0 8 1 scxspl 216 36204 0 36204 10 4 6 8 1 8 6 plimitpl 152 156 0 138 1 0 1 1 0 8 0 sigapl 424 1262 0 1213 7 1 6 7 0 8 0 knotepl 120 327 0 0 10 0 10 10 0 8 0 kqueuepl 224 420 0 406 6 4 2 5 0 8 0 pipepl 344 199 0 169 3 0 3 3 0 8 0 fdescpl 528 1245 0 1214 3 0 3 3 0 8 0 filepl 160 7756 0 7512 19 5 14 17 0 8 3 lockfpl 104 242 0 240 1 0 1 1 0 8 0 lockfspl 48 88 0 86 1 0 1 1 0 8 0 sessionpl 144 29 0 20 1 0 1 1 0 8 0 pgrppl 48 38 0 21 1 0 1 1 0 8 0 ucredpl 104 1067 0 1053 1 0 1 1 0 8 0 zombiepl 144 1216 0 1213 1 0 1 1 0 8 0 processpl 1232 1262 0 1213 5 0 5 5 0 8 0 procpl 664 2667 0 2609 6 0 6 6 0 8 0 sosppl 168 3 0 3 2 1 1 1 0 8 1 sockpl 752 1790 0 1757 17 3 14 14 0 8 9 mcl64k 65536 6 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 131 0 0 17 0 17 17 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 53 0 0 6 0 6 6 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 1203 0 0 75 0 75 75 0 8 0 bufpl 280 14631 0 8494 439 0 439 439 0 8 0 anonpl 32 15793 0 0 128 0 128 128 0 246 0 amapchunkpl 152 34814 0 34337 39 14 25 32 0 158 3 amappl16 200 5310 0 5274 71 49 22 41 0 8 12 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 5 0 5 1 1 0 1 0 8 0 amappl13 176 422 0 421 1 0 1 1 0 8 0 amappl12 168 1639 0 1597 3 0 3 3 0 8 0 amappl11 160 27 0 27 1 1 0 1 0 8 0 amappl10 152 46 0 32 1 0 1 1 0 8 0 amappl9 144 258 0 258 1 1 0 1 0 8 0 amappl8 136 28 0 25 1 0 1 1 0 8 0 amappl7 128 98 0 96 1 0 1 1 0 8 0 amappl6 120 279 0 266 1 0 1 1 0 8 0 amappl5 112 86 0 75 1 0 1 1 0 8 0 amappl4 104 447 0 416 1 0 1 1 0 8 0 amappl3 96 6075 0 5984 3 0 3 3 0 8 0 amappl2 88 1403 0 1327 2 0 2 2 0 8 0 amappl1 80 14244 0 13648 15 1 14 15 0 8 0 amappl 88 9861 0 9698 5 0 5 5 0 92 0 uvmvnodes 80 3622 0 0 74 0 74 74 0 8 0 dma65536 65536 1 0 1 1 1 0 1 0 8 0 dma8192 8192 1 0 1 1 1 0 1 0 8 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 7 0 7 2 2 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 19 0 18 1 0 1 1 0 8 0 aobjpl 72 11 0 2 1 0 1 1 0 8 0 uaddrrnd 24 1245 0 1214 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1245 0 1214 1 0 1 1 0 8 0 vmmpekpl 168 11949 0 11909 3 0 3 3 0 8 0 vmmpepl 168 88478 0 86547 132 13 119 119 0 357 22 vmsppl 488 1244 0 1214 6 1 5 5 0 8 1 rwobjpl 80 30515 0 25955 101 0 101 101 0 8 2 pdppl 4096 2498 0 2428 108 36 72 88 0 8 2 pvpl 32 23766 0 0 192 0 192 192 0 265 0 pmappl 256 1244 0 1214 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 362 0 47 10 0 10 10 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff837fcff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:153 __mp_lock(ffffffff83910870) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83910870) at __mp_lock+0x1a3 sys/kern/kern_lock.c:165 softintr_dispatch(2) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(2) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:847 Xsofttty() at Xsofttty+0x27 __mp_lock(ffffffff83910870) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83910870) at __mp_lock+0x192 sys/kern/kern_lock.c:165 softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:847 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x7a17651c0e50, count: 3 ddb{0}> trace x86_ipi_db(ffffffff837fcff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:153 __mp_lock(ffffffff83910870) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83910870) at __mp_lock+0x1a3 sys/kern/kern_lock.c:165 softintr_dispatch(2) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(2) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:847 Xsofttty() at Xsofttty+0x27 __mp_lock(ffffffff83910870) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83910870) at __mp_lock+0x192 sys/kern/kern_lock.c:165 softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:847 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x7a17651c0e50, count: -12 ddb{0}> machine ddbcpu 1 Stopped at proc_trampoline+0xc7: movl $0,%gs:0x688 proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x77b389eb2d30, count: 14 ddb{1}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x77b389eb2d30, count: -1