"*"*kernel: protection fault trap, code=0 Stopped at in_delmulti+0x8d: movl 0xc(%r14),%r15d ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic the kernel did not panic ddb{0}> trace in_delmulti(bfffbfffbfffffff) at in_delmulti+0x8d sys/netinet/in.c:914 in_purgeaddr(ffff800000a5b900) at in_purgeaddr+0x156 sys/netinet/in.c:760 in_ifdetach(ffff800000a2d000) at in_ifdetach+0x74 sys/netinet/in.c:969 if_setrdomain(ffff800000a2d000,6) at if_setrdomain+0x19a sys/net/if.c:1888 ifioctl(fffffd80793f7a90,8020699f,ffff800023bc31f0,ffff800020adeef0) at ifioctl+0x16ad sys/net/if.c:2148 sys_ioctl(ffff800020adeef0,ffff800023bc3308,ffff800023bc3350) at sys_ioctl+0x5b9 syscall(ffff800023bc33d0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] syscall(ffff800023bc33d0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xda64e26d190, count: -8 ddb{0}> show registers rdi 0xffffffff81eee24d in_delmulti+0x8d rsi 0x18125 acpi_pdirpa+0x3f8d rbp 0xffff800023bc3010 rbx 0 rdx 0x18126 acpi_pdirpa+0x3f8e rcx 0xffff800021b76000 rax 0xffff800021b76000 r8 0xffffffff81342423 rt_ifa_purge+0x153 r9 0x5 r10 0x2f r11 0x218bb22fd5b918e6 r12 0 r13 0x3 r14 0xbfffbfffbfffffff r15 0x1 rip 0xffffffff81eee24d in_delmulti+0x8d cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800023bc2fb0 ss 0x10 in_delmulti+0x8d: movl 0xc(%r14),%r15d ddb{0}> show proc PROC (syz-executor.1) pid=509211 stat=onproc flags process=0 proc=4000000 pri=67, usrpri=67, nice=20 forw=0xffffffffffffffff, list=0xffff800020adf8d0,0xffffffff82634898 process=0xffff800020aeca80 user=0xffff800023bbe000, vmspace=0xfffffd807f0088a0 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 90992 93620 98058 0 2 0 syz-executor.1 *90992 509211 98058 0 7 0x4000000 syz-executor.1 49926 346753 0 0 3 0x14200 bored sosplice 98058 80457 37587 0 3 0x82 nanosleep syz-executor.1 14690 445386 1 0 3 0x100083 ttyin getty 37158 62134 0 0 3 0x14200 acct acct 81922 315765 37587 0 3 0x82 nanosleep syz-executor.0 37587 189156 17345 0 3 0x82 thrsleep syz-fuzzer 37587 341244 17345 0 3 0x4000082 thrsleep syz-fuzzer 37587 33671 17345 0 3 0x4000082 thrsleep syz-fuzzer 37587 480416 17345 0 3 0x4000082 kqread syz-fuzzer 37587 130189 17345 0 3 0x4000082 thrsleep syz-fuzzer 37587 317735 17345 0 3 0x4000082 thrsleep syz-fuzzer 37587 364018 17345 0 3 0x4000082 thrsleep syz-fuzzer 37587 59434 17345 0 3 0x4000082 thrsleep syz-fuzzer 37587 461376 17345 0 3 0x4000082 thrsleep syz-fuzzer 37587 515851 17345 0 3 0x4000082 thrsleep syz-fuzzer 17345 93464 12461 0 3 0x10008a pause ksh 12461 317168 27296 0 3 0x92 select sshd 27296 145164 1 0 3 0x80 select sshd 39027 182956 49369 74 3 0x100092 bpf pflogd 49369 411412 1 0 3 0x80 netio pflogd 63345 127167 45385 73 3 0x100090 kqread syslogd 45385 267821 1 0 3 0x100082 netio syslogd 96717 124405 1 77 7 0x100090 dhclient 23136 498609 1 0 3 0x80 poll dhclient 90610 117277 0 0 3 0x14200 pgzero zerothread 81628 135981 0 0 3 0x14200 aiodoned aiodoned 97921 510453 0 0 3 0x14200 syncer update 25991 190830 0 0 3 0x14200 cleaner cleaner 17320 479375 0 0 3 0x14200 reaper reaper 24215 211585 0 0 3 0x14200 pgdaemon pagedaemon 68523 477461 0 0 3 0x14200 bored crynlk 17047 6125 0 0 3 0x14200 bored crypto 76665 213896 0 0 3 0x40014200 acpi0 acpi0 84624 435513 0 0 3 0x40014200 idle1 16695 243034 0 0 3 0x14200 bored softnet 40248 333059 0 0 2 0x14200 systqmp 1345 64237 0 0 3 0x14200 bored systq 46188 198367 0 0 3 0x40014200 bored softclock 20939 268748 0 0 3 0x40014200 idle0 44775 464309 0 0 3 0x14200 bored smr 1 459438 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 90992 (syz-executor.1) thread 0xffff800020adeef0 (509211) exclusive rwlock netlock r = 0 (0xffffffff82495598) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 ifioctl+0x16a0 sys/net/if.c:2148 #2 sys_ioctl+0x5b9 #3 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] #3 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 #4 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff826563c0) #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 devbuf 9528 6428K 7636K 78643K 13339 0 pcb 13 10K 12K 78643K 107 0 rtable 95 5K 5K 78643K 424 0 ifaddr 89 17K 17K 78643K 176 0 counters 39 33K 33K 78643K 39 0 ioctlops 0 0K 4K 78643K 1497 0 iov 0 0K 48K 78643K 91 0 mount 1 1K 1K 78643K 1 0 vnodes 1233 77K 78K 78643K 1971 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 6 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 181 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 5 13K 25K 78643K 394 0 sigio 0 0K 0K 78643K 16 0 proc 60 63K 83K 78643K 544 0 subproc 32 2K 2K 78643K 51 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 15 0 in_multi 83 4K 4K 78643K 141 0 ether_multi 1 0K 0K 78643K 6 0 mrt 0 0K 0K 78643K 2 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 54 238K 238K 78643K 54 0 exec 0 0K 1K 78643K 239 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 136 71K 76K 78643K 2451 0 UVM aobj 31 4K 4K 78643K 35 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 71 0 NDP 14 0K 0K 78643K 39 0 temp 144 3019K 3095K 78643K 7219 0 kqueue 0 0K 0K 78643K 2 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 9 0 6 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 53 0 51 1 0 1 1 0 8 0 rtentry 112 78 0 45 2 0 2 2 0 8 0 unpcb 120 239 0 228 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 194 0 194 1 1 0 1 0 8 0 tcpcb 544 581 0 577 15 14 1 15 0 8 0 inpcb 280 964 0 956 9 7 2 9 0 8 1 nd6 48 11 0 9 1 0 1 1 0 8 0 ppxss 1128 8 0 8 3 2 1 1 0 8 1 pffrag 232 11 0 11 5 4 1 1 0 482 1 pffrnode 88 11 0 11 5 4 1 1 0 8 1 pffrent 40 410 0 410 5 4 1 1 0 8 1 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 46 0 11 1 0 1 1 0 8 0 pfstkey 112 46 0 11 2 0 2 2 0 8 0 pfstate 328 46 0 11 4 0 4 4 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 476 0 273 16 0 16 16 0 8 0 art_table 32 478 0 273 2 0 2 2 0 8 0 art_node 16 77 0 42 1 0 1 1 0 8 0 sysvmsgpl 40 14 0 8 2 1 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 179 0 169 1 0 1 1 0 8 0 shmpl 112 33 0 4 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1985 0 573 46 0 46 46 0 8 0 ffsino 272 1985 0 573 95 0 95 95 0 8 0 nchpl 144 2775 0 2317 61 41 20 61 0 8 0 uvmvnodes 72 2707 0 0 50 0 50 50 0 8 0 vnodes 208 2707 0 0 143 0 143 143 0 8 0 namei 1024 8662 0 8662 1 0 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 vcpupl 1984 4 0 0 1 0 1 1 0 8 0 vmpool 560 4 0 0 1 0 1 1 0 8 0 scxspl 192 8015 0 8015 8 7 1 7 0 8 1 plimitpl 152 54 0 46 1 0 1 1 0 8 0 sigapl 432 591 0 576 3 1 2 3 0 8 0 futexpl 56 10181 0 10181 1 0 1 1 0 8 1 knotepl 112 93 0 74 1 0 1 1 0 8 0 kqueuepl 104 211 0 209 4 3 1 4 0 8 0 pipepl 160 332 0 313 4 3 1 2 0 8 0 fdescpl 488 592 0 576 3 0 3 3 0 8 0 filepl 152 5145 0 5043 15 9 6 14 0 8 1 lockfpl 104 126 0 125 1 0 1 1 0 8 0 lockfspl 48 45 0 44 1 0 1 1 0 8 0 sessionpl 112 20 0 9 1 0 1 1 0 8 0 pgrppl 48 32 0 21 1 0 1 1 0 8 0 ucredpl 96 420 0 411 1 0 1 1 0 8 0 zombiepl 144 576 0 575 1 0 1 1 0 8 0 processpl 896 609 0 575 4 0 4 4 0 8 0 procpl 632 1596 0 1552 5 0 5 5 0 8 0 srpgc 64 4 0 4 1 1 0 1 0 8 0 sosppl 128 6 0 6 2 2 0 1 0 8 0 sockpl 384 1256 0 1235 15 11 4 14 0 8 1 mcl64k 65536 12 0 0 2 0 2 2 0 8 0 mcl16k 16384 4 0 0 1 0 1 1 0 8 0 mcl12k 12288 6 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 9 0 0 2 0 2 2 0 8 0 mcl4k 4096 15 0 0 2 0 2 2 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 156 0 0 19 0 19 19 0 8 0 mtagpl 80 17 0 0 1 0 1 1 0 8 0 mbufpl 256 301 0 0 17 0 17 17 0 8 0 bufpl 280 7220 0 1340 420 0 420 420 0 8 0 anonpl 16 73611 0 53106 84 1 83 83 0 125 0 amapchunkpl 152 3867 0 3709 13 6 7 12 0 158 0 amappl16 192 2702 0 1573 57 0 57 57 0 8 0 amappl15 184 240 0 234 1 0 1 1 0 8 0 amappl14 176 34 0 32 1 0 1 1 0 8 0 amappl12 160 6 0 5 1 0 1 1 0 8 0 amappl11 152 227 0 211 1 0 1 1 0 8 0 amappl10 144 10 0 8 1 0 1 1 0 8 0 amappl9 136 615 0 612 1 0 1 1 0 8 0 amappl8 128 152 0 115 2 0 2 2 0 8 0 amappl7 120 126 0 113 1 0 1 1 0 8 0 amappl6 112 233 0 222 1 0 1 1 0 8 0 amappl5 104 147 0 131 1 0 1 1 0 8 0 amappl4 96 856 0 824 1 0 1 1 0 8 0 amappl3 88 125 0 116 1 0 1 1 0 8 0 amappl2 80 3990 0 3916 3 1 2 3 0 8 0 amappl1 72 23528 0 23084 26 16 10 21 0 8 0 amappl 80 1867 0 1817 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 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 34 0 4 1 0 1 1 0 8 0 uaddrrnd 24 596 0 576 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 596 0 576 1 0 1 1 0 8 0 vmmpekpl 168 8651 0 8619 2 0 2 2 0 8 0 vmmpepl 168 81277 0 78953 169 43 126 150 0 357 20 vmsppl 368 595 0 576 2 0 2 2 0 8 0 pdppl 4096 1199 0 1156 6 0 6 6 0 8 0 pvpl 32 228962 0 205244 199 3 196 196 0 265 3 pmappl 232 595 0 576 2 0 2 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 187 0 17 6 0 6 6 0 8 0