uvm_fault(0xfffff3000dfa1a28, 0x6a5b9ab3, 0, 1) -> e kernel: page fault trap, code=0 Stopped at rtable_match+0xcb: movq 0(%rax,%rcx,8),%r15 TID PID UID PRFLAGS PFLAGS CPU COMMAND rtable_match(0,ffff80002f0ab6b0,0) at rtable_match+0xcb rtable_get sys/net/rtable.c:260 [inline] rtable_match(0,ffff80002f0ab6b0,0) at rtable_match+0xcb sys/net/rtable.c:492 rt_match(ffff80002f0ab6b0,0,0,0) at rt_match+0x51 sys/net/route.c:-1 in6_ifdetach(ffff800001600800) at in6_ifdetach+0x168 sys/netinet6/in6_ifattach.c:427 if_detach(ffff800001600800) at if_detach+0x333 sys/net/if.c:1314 pppacclose(637e,2,2000,ffff80002a77da08) at pppacclose+0x118 sys/net/if_pppx.c:1329 spec_close(ffff80002f0ab840) at spec_close+0x417 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffff300700dc980,2,fffff30007ffd270,ffff80002a77da08) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156 vn_closefile(fffff3006fd10530,ffff80002a77da08) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:298 [inline] vn_closefile(fffff3006fd10530,ffff80002a77da08) at vn_closefile+0x11d sys/kern/vfs_vnops.c:621 fdrop(fffff3006fd10530,ffff80002a77da08) at fdrop+0x121 sys/kern/kern_descrip.c:1281 closef(fffff3006fd10530,ffff80002a77da08) at closef+0x190 sys/kern/kern_descrip.c:1265 fdfree(ffff80002a77da08) at fdfree+0x115 sys/kern/kern_descrip.c:1196 exit1(ffff80002a77da08,0,0,1) at exit1+0x595 sys/kern/kern_exit.c:215 sys_exit(ffff80002a77da08,ffff80002f0abba0,ffff80002f0abaf0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002f0abba0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002f0abba0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 end trace frame: 0xffff80002f0abc20, count: 0 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> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic *cpu0: uvm_fault(0xfffff3000dfa1a28, 0x6a5b9ab3, 0, 1) -> e ddb> show kasan No such command ddb> trace rtable_match(0,ffff80002f0ab6b0,0) at rtable_match+0xcb rtable_get sys/net/rtable.c:260 [inline] rtable_match(0,ffff80002f0ab6b0,0) at rtable_match+0xcb sys/net/rtable.c:492 rt_match(ffff80002f0ab6b0,0,0,0) at rt_match+0x51 sys/net/route.c:-1 in6_ifdetach(ffff800001600800) at in6_ifdetach+0x168 sys/netinet6/in6_ifattach.c:427 if_detach(ffff800001600800) at if_detach+0x333 sys/net/if.c:1314 pppacclose(637e,2,2000,ffff80002a77da08) at pppacclose+0x118 sys/net/if_pppx.c:1329 spec_close(ffff80002f0ab840) at spec_close+0x417 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffff300700dc980,2,fffff30007ffd270,ffff80002a77da08) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156 vn_closefile(fffff3006fd10530,ffff80002a77da08) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:298 [inline] vn_closefile(fffff3006fd10530,ffff80002a77da08) at vn_closefile+0x11d sys/kern/vfs_vnops.c:621 fdrop(fffff3006fd10530,ffff80002a77da08) at fdrop+0x121 sys/kern/kern_descrip.c:1281 closef(fffff3006fd10530,ffff80002a77da08) at closef+0x190 sys/kern/kern_descrip.c:1265 fdfree(ffff80002a77da08) at fdfree+0x115 sys/kern/kern_descrip.c:1196 exit1(ffff80002a77da08,0,0,1) at exit1+0x595 sys/kern/kern_exit.c:215 sys_exit(ffff80002a77da08,ffff80002f0abba0,ffff80002f0abaf0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002f0abba0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002f0abba0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x74f70febd420, count: -15 ddb> show registers rdi 0x2 rsi 0 rbp 0xffff80002f0ab590 rbx 0 rdx 0 rcx 0 rax 0x6a5b9ab3 r8 0xffffffffffffffff r9 0 r10 0x5d51e4d54f390ba0 r11 0x42c06f0c31834dc1 r12 0xffff80002f0ab6b0 r13 0x2 r14 0 r15 0xffff800000c57ef0 rip 0xffffffff830fdedb rtable_match+0xcb cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff80002f0ab530 ss 0x10 rtable_match+0xcb: movq 0(%rax,%rcx,8),%r15 ddb> show proc PROC (syz-executor) tid=392240 pid=59082 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80002a77da08 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80003c8f7cb0,0xffff80003c8fb4f0 process=0xffff800045ff9698 user=0xffff80002f0a6000, vmspace=0xfffff3000dfa1a28 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND 61234 237340 46193 0 2 0 0 syz-executor 61234 109599 46193 0 2 0 0x4000000 syz-executor 9434 297067 9315 0 3 0 0x80 nanoslp syz-executor 9434 288402 9315 0 3 0 0x4000080 sbwait syz-executor 28483 369272 42508 0 3 0 0x80 nanoslp syz-executor 28483 326567 42508 0 3 0 0x4000080 kqread syz-executor 28483 321324 42508 0 3 0 0x4000080 fsleep syz-executor 15962 272789 0 0 3 0x14000 0x200 acct acct 94685 184493 98570 0 3 0 0x80 nanoslp syz-executor 94685 348389 98570 0 3 0 0x4000088 kqsel syz-executor 94685 118461 98570 0 3 0 0x4000080 fsleep syz-executor 21578 17583 30631 0 3 0x10 0x80 nanoslp syz-executor 21578 476473 30631 0 3 0x10 0x4000080 kqsel syz-executor 32536 141036 40767 0 3 0 0x80 nanoslp syz-executor 32536 198076 40767 0 3 0 0x4000080 ttyin syz-executor 32536 2131 40767 0 3 0 0x4000080 fsleep syz-executor 85257 245520 99824 0 3 0 0x80 nanoslp syz-executor 85257 273884 99824 0 3 0 0x4000080 kqread syz-executor 85257 358743 99824 0 3 0 0x4000080 fsleep syz-executor 85257 516495 99824 0 3 0 0x4000080 fsleep syz-executor 67359 305933 0 0 3 0x14000 0x280 nfsidl nfsio 60001 328894 0 0 3 0x14000 0x280 nfsidl nfsio 2916 497721 0 0 3 0x14000 0x280 nfsidl nfsio 80822 242416 0 0 3 0x14000 0x280 nfsidl nfsio 83010 344294 0 0 3 0x14000 0x280 nfsidl nfsio 97301 309497 0 0 3 0x14000 0x280 nfsidl nfsio 75451 456659 0 0 3 0x14000 0x280 nfsidl nfsio 95305 74040 0 0 3 0x14000 0x280 nfsidl nfsio 1745 412951 0 0 3 0x14000 0x280 nfsidl nfsio 62852 355215 0 0 3 0x14000 0x280 nfsidl nfsio 67878 309966 0 0 3 0x14000 0x280 nfsidl nfsio 182 267935 0 0 3 0x14000 0x280 nfsidl nfsio 33196 473894 0 0 3 0x14000 0x280 nfsidl nfsio 62716 313325 0 0 3 0x14000 0x280 nfsidl nfsio 37419 469785 0 0 3 0x14000 0x280 nfsidl nfsio 83791 421942 0 0 3 0x14000 0x280 nfsidl nfsio 18321 49893 0 0 3 0x14000 0x280 nfsidl nfsio 46361 521025 0 0 3 0x14000 0x280 nfsidl nfsio 90452 421921 0 0 3 0x14000 0x280 nfsidl nfsio 21041 69169 0 0 3 0x14000 0x280 nfsidl nfsio 27561 485052 1 0 3 0x100003 0x80 ttyin getty 30631 432629 19362 0 3 0x2 0x80 nanoslp syz-executor 75990 14268 19362 0 3 0x2 0x80 nanoslp syz-executor 42508 141692 19362 0 3 0x2 0x80 nanoslp syz-executor 40767 459584 19362 0 3 0x2 0x80 nanoslp syz-executor 46193 455531 19362 0 3 0x2 0x80 nanoslp syz-executor 9315 489622 19362 0 3 0x2 0x80 nanoslp syz-executor 99824 404177 19362 0 3 0x2 0x80 nanoslp syz-executor 98570 127633 19362 0 3 0x2 0x80 nanoslp syz-executor 19362 321154 1 0 3 0x2 0x80 kqread syz-executor 57430 6547 1 73 3 0x1100010 0x80 kqread syslogd 68600 395944 0 0 3 0x14000 0x200 bored smr 76347 231447 0 0 2 0x14000 0x200 zerothread 17647 125260 0 0 3 0x14000 0x200 aiodoned aiodoned 30831 415366 0 0 3 0x14000 0x200 syncer update 75467 487565 0 0 3 0x14000 0x200 cleaner cleaner 72006 422517 0 0 3 0x14000 0x200 reaper reaper 33107 351773 0 0 3 0x14000 0x200 pgdaemon pagedaemon 69948 306980 0 0 3 0x14000 0x200 bored viomb 48297 468683 0 0 3 0x14000 0x40000200 acpi0 acpi0 90366 107950 0 0 3 0x14000 0x200 bored softnet0 4847 426984 0 0 3 0x14000 0x200 smrbar systqmp 76399 338983 0 0 3 0x14000 0x200 bored systq 58490 216983 0 0 3 0x14000 0x40000200 tmoslp softclock 38336 343043 0 0 3 0x14000 0x40000200 idle0 1 236816 0 0 3 0x2 0x80 wait init 0 0 -1 0 3 0x10010000 0x200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11032 12107K 12361K 166960K 12403 0 pcb 19 16K 21K 166960K 213 0 rtable 251 7K 7K 166960K 400 0 pf 36 14K 20K 166960K 115 0 ifaddr 44 7K 8K 166960K 56 0 ifgroup 54 2K 2K 166960K 77 0 sysctl 3 1K 9K 166960K 13 0 counters 35 18K 18K 166960K 43 0 ioctlops 0 0K 4K 166960K 85 0 iov 0 0K 12K 166960K 44 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1317 83K 83K 166960K 1632 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 9K 166960K 9 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 214 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1734 201K 291K 166960K 11964 0 file desc 18 65K 240K 166960K 503 0 sigio 0 0K 0K 166960K 9 0 proc 20 25K 100K 166960K 561 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 32 0 in_multi 99 7K 7K 166960K 108 0 ether_multi 1 0K 0K 166960K 2 0 mrt 0 0K 0K 166960K 8 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 67 307K 307K 166960K 67 0 exec 0 0K 1K 166960K 397 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 161 100K 173K 166960K 5998 0 UVM aobj 17 2K 4K 166960K 18 0 pinsyscall 22 44K 92K 166960K 1574 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 17 0 NDP 13 0K 2K 166960K 35 0 temp 46 9112K 9159K 166960K 15779 0 kqueue 5 7K 26K 166960K 75 0 SYN cache 2 16K 24K 166960K 3 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 97 0 97 2 0 2 2 0 8 2 rtentry 136 122 0 9 4 0 4 4 0 8 0 unpcb 144 257 0 253 3 0 3 3 0 8 2 syncache 336 6 0 6 1 0 1 1 0 8 1 tcpcb 736 96 0 95 1 0 1 1 0 8 0 arp 96 20 0 2 1 0 1 1 0 8 0 ipq 40 2 0 0 1 0 1 1 0 8 0 ipqe 40 4 0 2 1 0 1 1 0 8 0 inpcb 328 493 0 489 12 3 9 12 0 8 8 ip6q 72 1 0 0 1 0 1 1 0 8 0 ip6af 40 1 0 0 1 0 1 1 0 8 0 nd6 112 27 0 0 1 0 1 1 0 8 0 pkpcb 40 6 0 6 1 0 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1072 6 0 4 1 0 1 1 0 8 0 pppxif 1416 2 0 2 1 0 1 1 0 8 1 pfstscr 40 4 0 2 1 0 1 1 0 8 0 pffrag 232 1 0 0 1 0 1 1 0 482 0 pffrnode 88 1 0 0 1 0 1 1 0 8 0 pffrent 40 1 0 0 1 0 1 1 0 8 0 pfanchor 1288 5 0 0 1 0 1 1 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfqueue 320 1 0 0 1 0 1 1 0 8 0 pfstitem 24 2 0 0 1 0 1 1 0 8 0 pfstkey 128 4 0 2 1 0 1 1 0 8 0 pfstate 384 2 0 1 1 0 1 1 0 8 0 pfrule 1360 4 0 4 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 477 0 6 30 0 30 30 0 8 0 art_table 40 478 0 6 5 0 5 5 0 8 0 art_node 32 122 0 17 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 2 1 0 1 1 0 8 0 semapl 72 210 0 200 1 0 1 1 0 8 0 shmpl 112 15 0 1 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 2227 0 769 93 0 93 93 0 8 0 ffsino 256 2227 0 769 93 0 93 93 0 8 0 nchpl 144 2947 0 1250 64 0 64 64 0 8 0 vnodes 216 2473 0 0 138 0 138 138 0 8 0 namei 1024 9088 0 9088 2 0 2 2 0 8 2 kstatmem 264 39 0 12 2 0 2 2 0 8 0 scsiplug 72 2 0 2 1 0 1 1 0 8 1 scxspl 216 12666 0 12666 3 0 3 3 1 8 3 plimitpl 152 119 0 105 1 0 1 1 0 8 0 sigapl 424 802 0 747 7 0 7 7 0 8 0 knotepl 120 14741 0 14715 8 0 8 8 0 8 6 kqueuepl 184 82 0 76 1 0 1 1 0 8 0 pipepl 304 141 0 114 3 0 3 3 0 8 0 fdescpl 448 767 0 746 5 0 5 5 0 8 1 filepl 120 3751 0 3568 10 0 10 10 0 8 3 lockfpl 104 227 0 224 1 0 1 1 0 8 0 lockfspl 48 74 0 72 1 0 1 1 0 8 0 sessionpl 144 39 0 35 1 0 1 1 0 8 0 pgrppl 48 51 0 39 1 0 1 1 0 8 0 ucredpl 104 405 0 398 1 0 1 1 0 8 0 zombiepl 144 748 0 747 1 0 1 1 0 8 0 processpl 1152 802 0 747 4 0 4 4 0 8 0 procpl 664 1308 0 1241 7 0 7 7 0 8 1 sockpl 552 868 0 859 10 1 9 10 0 8 8 mcl64k 65536 44 0 44 1 0 1 1 0 8 1 mcl16k 16384 3 0 3 1 0 1 1 0 8 1 mcl9k128 9344 2 0 2 1 0 1 1 0 8 1 mcl8k 8192 9 0 9 1 0 1 1 0 8 1 mcl4k 4096 3016 0 2967 14 0 14 14 0 8 7 mcl2k 2048 345 0 342 1 0 1 1 0 8 0 mextrefs 64 192 0 192 1 0 1 1 0 8 1 mtagpl 96 7 0 5 1 0 1 1 0 8 0 mbufpl 256 8121 0 7959 19 0 19 19 0 8 6 bufpl 272 4807 0 104 314 0 314 314 0 8 0 anonpl 24 135506 0 131496 50 0 50 50 0 187 14 amapchunkpl 152 25993 0 25458 34 0 34 34 0 158 12 amappl16 200 2424 0 2400 22 8 14 21 0 8 6 amappl15 192 3 0 3 1 0 1 1 0 8 1 amappl14 184 404 0 404 1 0 1 1 0 8 1 amappl13 176 145 0 143 1 0 1 1 0 8 0 amappl12 168 997 0 977 2 0 2 2 0 8 0 amappl11 160 11 0 11 1 0 1 1 0 8 1 amappl10 152 60 0 58 1 0 1 1 0 8 0 amappl9 144 270 0 269 1 0 1 1 0 8 0 amappl8 136 91 0 91 1 0 1 1 0 8 1 amappl7 128 158 0 154 1 0 1 1 0 8 0 amappl6 120 150 0 150 1 0 1 1 0 8 1 amappl5 112 89 0 87 1 0 1 1 0 8 0 amappl4 104 270 0 264 1 0 1 1 0 8 0 amappl3 96 3704 0 3615 3 0 3 3 0 8 0 amappl2 88 514 0 499 2 0 2 2 0 8 0 amappl1 80 11542 0 11380 13 0 13 13 0 8 6 amappl 88 5240 0 5101 4 0 4 4 0 92 0 uvmvnodes 80 110 0 0 3 0 3 3 0 8 0 dma4096 4096 1 0 1 1 0 1 1 0 8 1 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 0 1 1 0 8 1 dma128 128 253 0 253 1 0 1 1 0 8 1 dma64 64 6 0 6 1 0 1 1 0 8 1 dma32 32 7 0 7 1 0 1 1 0 8 1 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 17 0 1 1 0 1 1 0 8 0 uaddrrnd 24 767 0 746 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 767 0 746 1 0 1 1 0 8 0 vmmpekpl 168 7771 0 7744 2 0 2 2 0 8 0 vmmpepl 168 56276 0 55271 85 0 85 85 0 357 32 vmsppl 368 766 0 746 4 0 4 4 0 8 1 rwobjpl 40 18083 0 17573 11 0 11 11 0 8 0 pdppl 4096 1540 0 1492 98 50 48 80 0 8 0 pvpl 32 349684 0 342846 102 0 102 102 0 265 30 pmappl 216 766 0 746 3 0 3 3 0 8 0 extentpl 40 46 0 28 1 0 1 1 0 8 0 phpool 112 686 0 50 19 0 19 19 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace rtable_match(0,ffff80002f0ab6b0,0) at rtable_match+0xcb rtable_get sys/net/rtable.c:260 [inline] rtable_match(0,ffff80002f0ab6b0,0) at rtable_match+0xcb sys/net/rtable.c:492 rt_match(ffff80002f0ab6b0,0,0,0) at rt_match+0x51 sys/net/route.c:-1 in6_ifdetach(ffff800001600800) at in6_ifdetach+0x168 sys/netinet6/in6_ifattach.c:427 if_detach(ffff800001600800) at if_detach+0x333 sys/net/if.c:1314 pppacclose(637e,2,2000,ffff80002a77da08) at pppacclose+0x118 sys/net/if_pppx.c:1329 spec_close(ffff80002f0ab840) at spec_close+0x417 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffff300700dc980,2,fffff30007ffd270,ffff80002a77da08) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156 vn_closefile(fffff3006fd10530,ffff80002a77da08) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:298 [inline] vn_closefile(fffff3006fd10530,ffff80002a77da08) at vn_closefile+0x11d sys/kern/vfs_vnops.c:621 fdrop(fffff3006fd10530,ffff80002a77da08) at fdrop+0x121 sys/kern/kern_descrip.c:1281 closef(fffff3006fd10530,ffff80002a77da08) at closef+0x190 sys/kern/kern_descrip.c:1265 fdfree(ffff80002a77da08) at fdfree+0x115 sys/kern/kern_descrip.c:1196 exit1(ffff80002a77da08,0,0,1) at exit1+0x595 sys/kern/kern_exit.c:215 sys_exit(ffff80002a77da08,ffff80002f0abba0,ffff80002f0abaf0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002f0abba0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002f0abba0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x74f70febd420, count: -15 ddb> machine ddbcpu 1 No such command ddb>