login: panic: ifa_update_broadaddr does not support dynamicW lAeRnNgIthNG : SStPoL pNpOeTd aLOtWERED ON SYSCALL 3 4 EX I T 0 9d b _enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *457939 48186 0 0 0x4000000 0 syz-executor.1 475099 43690 74 0x100012 0 1 pflogd db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic() at panic+0x15c sys/kern/subr_prf.c:207 ifa_update_broadaddr(ffff800000ad3800,ffff800000acdb00,ffff800022ba5050) at ifa_update_broadaddr+0x61 sys/net/if.c:2970 in_ioctl(80206913,ffff800022ba5040,ffff800000ad3800,1) at in_ioctl+0x463 sys/netinet/in.c:299 ifioctl(fffffd8065f82198,80206913,ffff800022ba5040,ffff800020acea08) at ifioctl+0xb64 sys/net/if.c:2202 sys_ioctl(ffff800020acea08,ffff800022ba5158,ffff800022ba51a0) at sys_ioctl+0x5b9 syscall(ffff800022ba5220) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] syscall(ffff800022ba5220) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff36,0,3,981653d2010) at Xsyscall+0x128 end of kernel end trace frame: 0x983ca7b5190, count: 7 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic ifa_update_broadaddr does not support dynamic length ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic() at panic+0x15c sys/kern/subr_prf.c:207 ifa_update_broadaddr(ffff800000ad3800,ffff800000acdb00,ffff800022ba5050) at ifa_update_broadaddr+0x61 sys/net/if.c:2970 in_ioctl(80206913,ffff800022ba5040,ffff800000ad3800,1) at in_ioctl+0x463 sys/netinet/in.c:299 ifioctl(fffffd8065f82198,80206913,ffff800022ba5040,ffff800020acea08) at ifioctl+0xb64 sys/net/if.c:2202 sys_ioctl(ffff800020acea08,ffff800022ba5158,ffff800022ba51a0) at sys_ioctl+0x5b9 syscall(ffff800022ba5220) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] syscall(ffff800022ba5220) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff36,0,3,981653d2010) at Xsyscall+0x128 end of kernel end trace frame: 0x983ca7b5190, count: -8 ddb{0}> show registers rdi 0xffffffff81d5a187 db_enter+0x17 rsi 0x1932 __ALIGN_SIZE+0x932 rbp 0xffff800022ba4de0 rbx 0xffff800022ba4e90 rdx 0x1933 __ALIGN_SIZE+0x933 rcx 0xffff800021ba0000 rax 0xffff800021ba0000 r8 0xffffffff819b63bf kprintf+0x16f r9 0x1 r10 0x25 r11 0x5fe3ddf670b6b1ca r12 0x3000000008 r13 0xffff800022ba4df0 r14 0x100 r15 0x1 rip 0xffffffff81d5a188 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800022ba4dd0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.1) pid=457939 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020acec80,0xffffffff8265d560 process=0xffff800020adce00 user=0xffff800022ba0000, vmspace=0xfffffd807f00bcf0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 48186 394134 71772 0 2 0 syz-executor.1 *48186 457939 71772 0 7 0x4000000 syz-executor.1 71772 131067 28920 0 3 0x82 nanosleep syz-executor.1 46579 106 1 0 3 0x100083 ttyin getty 49220 111928 28920 0 3 0x82 nanosleep syz-executor.0 85361 137014 0 0 3 0x14200 bored sosplice 28920 240689 36124 0 3 0x82 thrsleep syz-fuzzer 28920 42312 36124 0 3 0x4000082 nanosleep syz-fuzzer 28920 267384 36124 0 3 0x4000082 thrsleep syz-fuzzer 28920 506738 36124 0 3 0x4000082 kqread syz-fuzzer 28920 17223 36124 0 3 0x4000082 thrsleep syz-fuzzer 28920 47326 36124 0 3 0x4000082 thrsleep syz-fuzzer 28920 447777 36124 0 3 0x4000082 thrsleep syz-fuzzer 28920 144573 36124 0 3 0x4000082 thrsleep syz-fuzzer 28920 162846 36124 0 3 0x4000082 thrsleep syz-fuzzer 28920 465908 36124 0 3 0x4000082 thrsleep syz-fuzzer 36124 244339 83490 0 3 0x10008a pause ksh 83490 522441 33418 0 3 0x92 select sshd 33418 91154 1 0 3 0x80 select sshd 43690 475099 34530 74 7 0x100012 pflogd 34530 280456 1 0 3 0x80 netio pflogd 42802 167689 42071 73 3 0x100090 kqread syslogd 42071 452602 1 0 3 0x100082 netio syslogd 47462 238603 1 77 3 0x100090 poll dhclient 681 451571 1 0 3 0x80 poll dhclient 4971 493464 0 0 3 0x14200 pgzero zerothread 58717 264556 0 0 3 0x14200 aiodoned aiodoned 19575 59119 0 0 3 0x14200 syncer update 48739 459787 0 0 3 0x14200 cleaner cleaner 66395 317953 0 0 3 0x14200 reaper reaper 2014 3903 0 0 3 0x14200 pgdaemon pagedaemon 14768 386123 0 0 3 0x14200 bored crynlk 53151 54763 0 0 3 0x14200 bored crypto 86912 118175 0 0 3 0x40014200 acpi0 acpi0 43773 308404 0 0 3 0x40014200 idle1 31277 216136 0 0 3 0x14200 bored softnet 80874 154513 0 0 3 0x14200 bored systqmp 75936 23339 0 0 3 0x14200 bored systq 26123 465607 0 0 2 0x40014200 softclock 80462 104512 0 0 3 0x40014200 idle0 85396 157316 0 0 3 0x14200 bored smr 1 116333 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 48186 (syz-executor.1) thread 0xffff800020acea08 (457939) exclusive rwlock netlock r = 0 (0xffffffff82489128) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 in_ioctl+0x142 #2 ifioctl+0xb64 sys/net/if.c:2202 #3 sys_ioctl+0x5b9 #4 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] #4 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 #5 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82672ed0) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 syscall+0x400 mi_syscall sys/sys/syscall_mi.h:83 [inline] #1 syscall+0x400 sys/arch/amd64/amd64/trap.c:555 #2 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9569 6573K 7932K 78643K 15576 0 0 pcb 13 10K 12K 78643K 213 0 0 rtable 123 5K 5K 78643K 760 0 0 ifaddr 74 15K 16K 78643K 265 0 0 counters 39 33K 33K 78643K 39 0 0 ioctlops 0 0K 4K 78643K 1511 0 0 iov 0 0K 18K 78643K 191 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1229 77K 77K 78643K 3127 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 5K 78643K 25 0 0 VM map 2 1K 1K 78643K 4 0 0 sem 12 0K 1K 78643K 231 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1808 196K 290K 78643K 12765 0 0 file desc 5 13K 25K 78643K 1627 0 0 sigio 0 0K 0K 78643K 16 0 0 proc 62 63K 95K 78643K 845 0 0 subproc 32 2K 2K 78643K 119 0 0 NFS srvsock 1 0K 0K 78643K 1 0 0 NFS daemon 1 16K 16K 78643K 1 0 0 ip_moptions 0 0K 0K 78643K 168 0 0 in_multi 33 2K 2K 78643K 108 0 0 ether_multi 1 0K 0K 78643K 3 0 0 mrt 0 0K 0K 78643K 2 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 96 424K 424K 78643K 96 0 0 exec 0 0K 1K 78643K 402 0 0 pagedep 1 8K 8K 78643K 1 0 0 inodedep 1 32K 32K 78643K 1 0 0 newblk 1 0K 0K 78643K 1 0 0 VM swap 7 26K 26K 78643K 7 0 0 UVM amap 117 22K 31K 78643K 6482 0 0 UVM aobj 75 3K 3K 78643K 79 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 ip6_options 0 0K 0K 78643K 213 0 0 NDP 16 0K 0K 78643K 75 0 0 temp 199 3552K 3629K 78643K 15423 0 0 kqueue 0 0K 0K 78643K 9 0 0 SYN cache 2 16K 16K 78643K 2 0 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 26 0 18 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 101 0 99 1 0 1 1 0 8 0 rtentry 112 110 0 62 2 0 2 2 0 8 0 unpcb 120 760 0 749 2 1 1 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 6390 0 6390 2 2 0 2 0 8 0 tcpcb 544 367 0 363 1 0 1 1 0 8 0 inpcb 280 1897 0 1888 15 13 2 13 0 8 1 nd6 48 12 0 8 1 0 1 1 0 8 0 pkpcb 40 7 0 7 4 4 0 1 0 8 0 ppxss 1128 35 0 35 4 3 1 1 0 8 1 pffrag 232 2 0 2 1 1 0 1 0 482 0 pffrnode 88 2 0 2 1 1 0 1 0 8 0 pffrent 40 6 0 6 1 1 0 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 57 0 33 1 0 1 1 0 8 0 pfstkey 112 57 0 33 1 0 1 1 0 8 0 pfstate 328 57 0 33 3 0 3 3 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 256 455 0 227 19 4 15 15 0 8 0 art_table 32 456 0 227 2 0 2 2 0 8 0 art_node 16 108 0 64 1 0 1 1 0 8 0 sysvmsgpl 40 13 0 9 2 1 1 1 0 8 0 semapl 112 229 0 219 1 0 1 1 0 8 0 shmpl 112 77 0 4 3 0 3 3 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 4182 0 2778 46 0 46 46 0 8 0 ffsino 272 4182 0 2778 95 0 95 95 0 8 0 nchpl 144 7210 0 5586 61 0 61 61 0 8 0 uvmvnodes 72 5456 0 0 100 0 100 100 0 8 0 vnodes 208 5456 0 0 288 0 288 288 0 8 0 namei 1024 27252 0 27252 2 1 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 vmpool 552 2 0 2 1 1 0 1 0 8 0 scsiplug 64 2 0 2 1 1 0 1 0 8 0 scxspl 192 18691 0 18691 19 18 1 7 0 8 1 plimitpl 152 169 0 161 1 0 1 1 0 8 0 sigapl 432 1814 0 1799 3 1 2 3 0 8 0 futexpl 56 30544 0 30544 1 0 1 1 0 8 1 knotepl 112 408 0 389 2 1 1 2 0 8 0 kqueuepl 104 359 0 357 1 0 1 1 0 8 0 pipepl 112 1114 0 1095 5 3 2 2 0 8 1 fdescpl 488 1815 0 1799 3 0 3 3 0 8 0 filepl 152 17921 0 17820 18 11 7 13 0 8 3 lockfpl 104 494 0 493 1 0 1 1 0 8 0 lockfspl 48 191 0 190 1 0 1 1 0 8 0 sessionpl 112 25 0 14 1 0 1 1 0 8 0 pgrppl 48 41 0 30 1 0 1 1 0 8 0 ucredpl 96 5830 0 5821 1 0 1 1 0 8 0 zombiepl 144 1799 0 1798 2 1 1 1 0 8 0 processpl 896 1831 0 1798 4 0 4 4 0 8 0 procpl 632 5456 0 5413 6 1 5 5 0 8 0 srpgc 64 10 0 10 3 3 0 1 0 8 0 sosppl 128 25 0 25 4 3 1 1 0 8 1 sockpl 384 2797 0 2776 25 20 5 21 0 8 2 mcl64k 65536 8 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 10 0 0 1 0 1 1 0 8 0 mcl9k 9216 14 0 0 1 0 1 1 0 8 0 mcl8k 8192 9 0 0 2 0 2 2 0 8 0 mcl4k 4096 9 0 0 2 0 2 2 0 8 0 mcl2k2 2112 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 213 0 0 24 0 24 24 0 8 0 mtagpl 80 51 0 0 1 0 1 1 0 8 0 mbufpl 256 311 0 0 14 0 14 14 0 8 0 bufpl 256 10679 0 3631 441 0 441 441 0 8 0 anonpl 16 170331 0 158563 85 21 64 72 0 124 2 amapchunkpl 152 11063 0 10927 26 15 11 11 0 158 3 amappl16 192 7862 0 7058 53 12 41 52 0 8 0 amappl15 184 337 0 336 1 0 1 1 0 8 0 amappl14 176 639 0 634 1 0 1 1 0 8 0 amappl13 168 1 0 0 1 0 1 1 0 8 0 amappl12 160 10 0 9 2 1 1 1 0 8 0 amappl11 152 66 0 51 1 0 1 1 0 8 0 amappl10 144 270 0 266 1 0 1 1 0 8 0 amappl9 136 1204 0 1198 1 0 1 1 0 8 0 amappl8 128 769 0 738 4 2 2 2 0 8 0 amappl7 120 321 0 315 1 0 1 1 0 8 0 amappl6 112 86 0 74 1 0 1 1 0 8 0 amappl5 104 175 0 161 1 0 1 1 0 8 0 amappl4 96 1672 0 1639 2 1 1 2 0 8 0 amappl3 88 1025 0 1017 1 0 1 1 0 8 0 amappl2 80 13518 0 13444 3 1 2 3 0 8 0 amappl1 72 49033 0 48594 26 16 10 20 0 8 0 amappl 80 5791 0 5747 2 0 2 2 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 dma64 64 259 0 259 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 17 0 17 1 1 0 1 0 8 0 aobjpl 64 78 0 4 2 0 2 2 0 8 0 uaddrrnd 24 1817 0 1799 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1817 0 1799 1 0 1 1 0 8 0 vmmpekpl 168 17468 0 17435 2 0 2 2 0 8 0 vmmpepl 168 226908 0 224955 188 72 116 116 0 357 25 vmsppl 368 1814 0 1799 2 0 2 2 0 8 0 pdppl 4096 3641 0 3602 7 1 6 6 0 8 0 pvpl 32 504106 0 489159 222 57 165 174 0 265 16 pmappl 232 1816 0 1801 3 2 1 2 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 619 0 9 18 0 18 18 0 8 0