kernel: protection fault trap, code=0 Stopped at ifaof_ifpforaddr+0x80: movq 0(%r14),%rbx ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic the kernel did not panic ddb{1}> trace ifaof_ifpforaddr(ffff800000e9e660,ffff8000006ac000) at ifaof_ifpforaddr+0x80 sys/net/if.c:1595 ifa_ifwithroute(fe101c33,ffff800000e9e660,ffff800000e9e688,5) at ifa_ifwithroute+0x16e sys/net/rtsock.c:1256 rtm_getifa(ffff80002f0d87f0,5) at rtm_getifa+0x1ec rtm_output(ffff800000e9e600,ffff80002f0d8898,ffff80002f0d87f0,6,5) at rtm_output+0x586 sys/net/rtsock.c:955 route_output(fffffd806d1a3c00,ffff800000e77ac0) at route_output+0x6a7 sys/net/rtsock.c:864 route_send(ffff800000e77ac0,fffffd806d1a3c00,0,0) at route_send+0x8f sys/net/rtsock.c:340 sosend(ffff800000e77ac0,0,ffff80002f0d8a48,0,0,0) at sosend+0x663 sendit(ffff80002a156560,6,ffff80002f0d8b40,0,ffff80002f0d8bf0) at sendit+0x54c sys/kern/uipc_syscalls.c:786 sys_sendto(ffff80002a156560,ffff80002f0d8ca0,ffff80002f0d8bf0) at sys_sendto+0x84 sys/kern/uipc_syscalls.c:564 syscall(ffff80002f0d8ca0) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff80002f0d8ca0) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5efef2eea70, count: -11 ddb{1}> show registers rdi 0x23 rsi 0x21 rbp 0xffff80002f0d8690 rbx 0xffff800000e9e660 rdx 0xffff800000e7a9c0 rcx 0xffff80002a156560 rax 0x21 r8 0x5 r9 0 r10 0x4ac689126d583c22 r11 0x2f8c7265a40c934e r12 0x2 r13 0xffff800000e9e660 r14 0x1c4990001b00c r15 0xffff8000006ac000 rip 0xffffffff81958210 ifaof_ifpforaddr+0x80 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002f0d8620 ss 0x10 ifaof_ifpforaddr+0x80: movq 0(%r14),%rbx ddb{1}> show proc PROC (syz-executor.0) tid=76345 pid=57435 tcnt=2 stat=onproc flags process=8000000 proc=4000000 runpri=32, usrpri=81, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a156fa0,0xffff80002a1562e0 process=0xffff800032349ad0 user=0xffff80002f0d3000, vmspace=0xfffffd806953d528 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 75018 201643 44117 0 2 0x8000000 syz-executor.1 57435 233387 98842 0 7 0x8000000 syz-executor.0 *57435 76345 98842 0 7 0xc000000 syz-executor.0 18275 343547 4909 0 3 0x8000090 nanoslp syz-executor.5 18275 191685 4909 0 3 0xc000090 sbwait syz-executor.5 18275 316716 4909 0 3 0xc000090 fsleep syz-executor.5 18275 69338 4909 0 3 0xc000090 fsleep syz-executor.5 4756 409377 86835 0 2 0x8000480 syz-executor.7 4756 354045 86835 0 3 0xc000080 kqread syz-executor.7 4756 252572 86835 0 3 0xc000080 fsleep syz-executor.7 10354 51698 0 0 3 0x14280 nfsidl nfsio 25608 470798 0 0 3 0x14280 nfsidl nfsio 69856 319675 0 0 3 0x14280 nfsidl nfsio 97112 177762 0 0 3 0x14280 nfsidl nfsio 549 9694 0 0 3 0x14280 nfsidl nfsio 19100 390655 0 0 3 0x14280 nfsidl nfsio 65765 258135 0 0 3 0x14280 nfsidl nfsio 41244 483474 0 0 3 0x14280 nfsidl nfsio 33943 288957 0 0 3 0x14280 nfsidl nfsio 49489 41903 0 0 3 0x14280 nfsidl nfsio 98278 265519 0 0 3 0x14280 nfsidl nfsio 31046 299620 0 0 3 0x14280 nfsidl nfsio 74029 161691 0 0 3 0x14280 nfsidl nfsio 26878 109294 0 0 3 0x14280 nfsidl nfsio 95379 237130 0 0 3 0x14280 nfsidl nfsio 92249 18291 0 0 3 0x14280 nfsidl nfsio 46064 60409 0 0 3 0x14280 nfsidl nfsio 7907 68528 0 0 3 0x14280 nfsidl nfsio 9592 40562 0 0 3 0x14280 nfsidl nfsio 22637 101267 0 0 3 0x14280 nfsidl nfsio 19849 519123 84775 0 3 0x8000080 nanoslp syz-executor.6 19849 395224 84775 0 3 0xc000080 kqsel syz-executor.6 19849 490145 84775 0 3 0xc000080 fsleep syz-executor.6 44117 405931 11589 0 3 0x8000082 nanoslp syz-executor.1 76450 247622 1 0 3 0x18100083 ttyin getty 4909 143908 11589 0 3 0x8000082 nanoslp syz-executor.5 21276 184280 11589 0 3 0x8000082 nanoslp syz-executor.3 98842 50833 11589 0 3 0x8000082 nanoslp syz-executor.0 84775 115977 11589 0 3 0x8000082 nanoslp syz-executor.6 9602 198492 11589 0 2 0x8000482 syz-executor.4 86835 506046 11589 0 3 0x8000082 nanoslp syz-executor.7 72027 286210 0 0 3 0x14200 acct acct 31026 159613 0 0 3 0x14200 bored sosplice 11589 421189 87259 0 3 0x1a000082 thrsleep syz-fuzzer 11589 380516 87259 0 3 0x1e000082 nanoslp syz-fuzzer 11589 83537 87259 0 3 0x1e000082 wait syz-fuzzer 11589 45469 87259 0 3 0x1e000082 wait syz-fuzzer 11589 37330 87259 0 3 0x1e000082 thrsleep syz-fuzzer 11589 345143 87259 0 3 0x1e000082 thrsleep syz-fuzzer 11589 235278 87259 0 3 0x1e000082 wait syz-fuzzer 11589 200779 87259 0 3 0x1e000082 thrsleep syz-fuzzer 11589 155769 87259 0 3 0x1e000082 wait syz-fuzzer 11589 379459 87259 0 3 0x1e000082 wait syz-fuzzer 11589 267445 87259 0 3 0x1e000082 thrsleep syz-fuzzer 11589 495741 87259 0 3 0x1e000082 thrsleep syz-fuzzer 11589 325677 87259 0 3 0x1e000082 wait syz-fuzzer 11589 174695 87259 0 3 0x1e000082 kqread syz-fuzzer 11589 132752 87259 0 3 0x1e000082 thrsleep syz-fuzzer 11589 481718 87259 0 3 0x1e000082 wait syz-fuzzer 87259 283255 11395 0 3 0x810008a sigsusp ksh 11395 268127 35710 0 3 0x1800009a kqread sshd 35710 253705 1 0 3 0x18000088 kqread sshd 76525 445827 94656 74 3 0x19100092 bpf pflogd 94656 506853 1 0 3 0x18000080 sbwait pflogd 18473 109128 37449 73 3 0x19100090 kqread syslogd 37449 466215 1 0 3 0x18100082 sbwait syslogd 65189 50122 1 0 3 0x18100080 kqread resolvd 13003 195348 89281 77 3 0x18100092 kqread dhcpleased 53999 234239 89281 77 3 0x18100092 kqread dhcpleased 89281 453708 1 0 3 0x18000080 kqread dhcpleased 74688 294353 0 0 3 0x14200 bored smr 98003 137370 0 0 2 0x14200 zerothread 97731 309084 0 0 3 0x14200 aiodoned aiodoned 50307 348443 0 0 3 0x14200 syncer update 77840 340470 0 0 3 0x14200 cleaner cleaner 9849 54140 0 0 3 0x14200 reaper reaper 94850 477463 0 0 3 0x14200 pgdaemon pagedaemon 12214 106444 0 0 3 0x14200 bored viomb 1738 43041 0 0 3 0x40014200 acpi0 acpi0 83877 490461 0 0 3 0x40014200 idle1 19247 364252 0 0 3 0x14200 bored softnet3 90152 288651 0 0 3 0x14200 bored softnet2 15716 389675 0 0 3 0x14200 bored softnet1 62447 362039 0 0 3 0x14200 bored softnet0 13857 100140 0 0 3 0x14200 bored systqmp 66067 292386 0 0 3 0x14200 bored systq 49987 258227 0 0 3 0x14200 tmoslp softclockmp 74968 89468 0 0 3 0x40014200 netlock softclock 20119 48297 0 0 3 0x40014200 idle0 1 273168 0 0 3 0x8080082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 57435 (syz-executor.0) thread 0xffff80002a156560 (76345) exclusive rwlock netlock r = 0 (0xffffffff82cd3690) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rtm_output+0x579 sys/net/rtsock.c:955 #2 route_output+0x6a7 sys/net/rtsock.c:864 #3 route_send+0x8f sys/net/rtsock.c:340 #4 sosend+0x663 #5 sendit+0x54c sys/kern/uipc_syscalls.c:786 #6 sys_sendto+0x84 sys/kern/uipc_syscalls.c:564 #7 syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] #7 syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 #8 Xsyscall+0x128 Process 74968 (softclock) thread 0xffff8000fffff710 (89468) shared rwlock timeout r = 0 (0xffffffff82d0aa70) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 timeout_run+0xbb sys/kern/kern_timeout.c:662 #2 softclock_thread+0x113 sys/kern/kern_timeout.c:814 #3 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10189 6512K 6640K 166960K 12484 0 pcb 15 10K 10K 166960K 290 0 rtable 159 6K 8K 166960K 1394 0 pf 29 9K 10K 166960K 179 0 ifaddr 33 13K 15K 166960K 193 0 ifgroup 47 2K 2K 166960K 281 0 sysctl 4 1K 1K 166960K 10 0 counters 60 35K 37K 166960K 194 0 ioctlops 0 0K 4K 166960K 1616 0 iov 0 0K 20K 166960K 323 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1373 86K 87K 166960K 2644 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 42 0 VM map 2 1K 1K 166960K 2 0 sem 15 1K 1K 166960K 36 0 dirhash 12 2K 2K 166960K 72 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 15 53K 81K 166960K 3046 0 sigio 0 0K 0K 166960K 61 0 proc 72 91K 128K 166960K 1440 0 subproc 91 5K 7K 166960K 433 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 458 0 in_multi 57 4K 7K 166960K 402 0 ether_multi 1 0K 0K 166960K 14 0 mrt 4 0K 0K 166960K 12 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 103 466K 466K 166960K 103 0 exec 0 0K 1K 166960K 942 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 358 190K 199K 166960K 28437 0 UVM aobj 25 4K 4K 166960K 30 0 pinsyscall 39 78K 108K 166960K 4880 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 237 0 NDP 10 0K 2K 166960K 141 0 temp 72 6811K 7308K 166960K 80882 0 kqueue 12 18K 32K 166960K 391 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 284 0 279 1 0 1 1 0 8 0 rtentry 112 477 0 408 4 0 4 4 0 8 0 unpcb 144 2119 0 2102 9 8 1 4 0 8 0 syncache 336 5 0 5 2 2 0 1 0 8 0 tcpqe 32 2 26 2 1 1 0 1 0 8 0 tcpcb 808 894 0 888 2 0 2 2 0 8 0 arp 120 94 0 81 1 0 1 1 0 8 0 inpcb 392 2801 0 2791 6 4 2 4 0 8 0 nd6 136 107 0 91 2 1 1 2 0 8 0 pkpcb 40 17 0 17 6 6 0 1 0 8 0 kcovpl 48 33 0 26 1 0 1 1 0 8 0 ppxss 1168 21 0 21 10 9 1 1 0 8 1 pffrag 232 17 0 13 2 1 1 1 0 482 0 pffrnode 88 17 0 13 2 1 1 1 0 8 0 pffrent 40 246 0 242 2 1 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 24 215 0 133 1 0 1 1 0 8 0 pfstkey 128 215 0 133 3 0 3 3 0 8 0 pfstate 376 215 0 133 10 0 10 10 0 8 0 pfrule 1344 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 1612 0 1349 37 17 20 30 0 8 0 art_table 32 1613 0 1349 4 1 3 4 0 8 0 art_node 16 447 0 388 1 0 1 1 0 8 0 sysvmsgpl 40 16 0 6 1 0 1 1 0 8 0 semupl 112 2 0 2 2 2 0 1 0 8 0 semapl 112 31 0 18 1 0 1 1 0 8 0 shmpl 112 27 0 5 1 0 1 1 0 8 0 dirhash 1024 57 0 40 3 0 3 3 0 8 0 dino2pl 256 5960 0 4431 97 0 97 97 0 8 0 ffsino 272 5960 0 4431 103 0 103 103 0 8 0 nchpl 144 10375 0 8638 67 0 67 67 0 8 0 uvmvnodes 80 6784 0 0 139 0 139 139 0 8 0 vnodes 216 6784 0 0 377 0 377 377 0 8 0 namei 1024 34302 0 34302 4 3 1 3 0 8 1 percpumem 16 111 0 67 1 0 1 1 0 8 0 vcpupl 2048 19 0 0 3 0 3 3 0 8 0 vmpool 696 30 0 11 3 1 2 2 0 8 0 kstatmem 264 154 0 134 3 1 2 3 0 8 0 scsiplug 72 3 0 3 2 2 0 1 0 8 0 scxspl 216 48725 0 48725 20 17 3 8 1 8 3 plimitpl 152 323 0 306 1 0 1 1 0 8 0 sigapl 424 3359 0 3290 10 2 8 9 0 8 0 futexpl 64 39063 0 39059 1 0 1 1 0 8 0 knotepl 120 425 0 0 11 0 11 11 0 8 0 kqueuepl 216 698 0 685 2 1 1 2 0 8 0 pipepl 320 520 0 494 3 0 3 3 0 8 0 fdescpl 496 3299 0 3271 7 2 5 5 0 8 0 filepl 152 18197 0 17960 16 5 11 14 0 8 0 lockfpl 104 647 0 645 1 0 1 1 0 8 0 lockfspl 48 273 0 271 1 0 1 1 0 8 0 sessionpl 144 51 0 35 1 0 1 1 0 8 0 pgrppl 48 104 0 88 1 0 1 1 0 8 0 ucredpl 104 2889 0 2876 1 0 1 1 0 8 0 zombiepl 144 3292 0 3290 1 0 1 1 0 8 0 processpl 1136 3359 0 3290 7 1 6 6 0 8 0 procpl 656 6598 0 6506 9 0 9 9 0 8 0 srpgc 96 25 0 25 6 6 0 1 0 8 0 sosppl 168 84 0 84 2 1 1 1 0 8 1 sockpl 568 5261 0 5229 9 5 4 8 0 8 1 mcl64k 65536 18 0 0 3 0 3 3 0 8 0 mcl16k 16384 10 0 0 2 0 2 2 0 8 0 mcl12k 12288 17 0 0 2 0 2 2 0 8 0 mcl9k 9216 6 0 0 1 0 1 1 0 8 0 mcl8k 8192 10 0 0 2 0 2 2 0 8 0 mcl4k 4096 19 0 0 3 0 3 3 0 8 0 mcl2k2 2112 9 0 0 1 0 1 1 0 8 0 mcl2k 2048 318 0 0 39 0 39 39 0 8 0 mtagpl 96 14 0 0 1 0 1 1 0 8 0 mbufpl 256 517 0 0 25 0 25 25 0 8 0 bufpl 280 12725 0 5713 501 0 501 501 0 8 0 anonpl 24 462610 0 456330 125 74 51 71 0 186 0 amapchunkpl 152 89895 0 89196 67 35 32 43 0 158 0 amappl16 200 9493 0 9374 27 18 9 19 0 8 0 amappl15 192 11 0 11 2 2 0 1 0 8 0 amappl14 184 262 0 245 4 2 2 2 0 8 0 amappl13 176 17 0 17 3 3 0 1 0 8 0 amappl12 168 4392 0 4358 2 0 2 2 0 8 0 amappl11 160 57 0 43 1 0 1 1 0 8 0 amappl10 152 90 0 78 1 0 1 1 0 8 0 amappl9 144 184 0 183 2 1 1 1 0 8 0 amappl8 136 630 0 521 5 0 5 5 0 8 0 amappl7 128 110 0 95 1 0 1 1 0 8 0 amappl6 120 722 0 698 2 0 2 2 0 8 0 amappl5 112 336 0 320 1 0 1 1 0 8 0 amappl4 104 851 0 799 3 1 2 3 0 8 0 amappl3 96 17859 0 17768 3 0 3 3 0 8 0 amappl2 88 3900 0 3815 4 2 2 4 0 8 0 amappl1 80 21767 0 21220 23 9 14 23 0 8 0 amappl 88 27449 0 27231 6 0 6 6 0 92 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 72 29 0 5 1 0 1 1 0 8 0 uaddrrnd 24 3331 0 3284 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3331 0 3284 1 0 1 1 0 8 0 vmmpekpl 168 25901 0 25822 4 0 4 4 0 8 0 vmmpepl 168 218330 0 216244 152 43 109 120 0 357 1 vmsppl 440 3330 0 3284 7 1 6 6 0 8 0 rwobjpl 56 61877 0 53799 119 5 114 114 0 8 0 pdppl 4096 6669 0 6587 239 151 88 88 0 8 6 pvpl 32 49166 0 0 398 1 397 397 0 265 0 pmappl 248 3330 0 3284 5 1 4 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 578 0 184 12 0 12 12 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff82d4fff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 end of kernel end trace frame: 0x78e8d8bee950, count: -3 ddb{0}> machine ddbcpu 1 Stopped at ifaof_ifpforaddr+0x80: movq 0(%r14),%rbx ddb{1}> trace ifaof_ifpforaddr(ffff800000e9e660,ffff8000006ac000) at ifaof_ifpforaddr+0x80 sys/net/if.c:1595 ifa_ifwithroute(fe101c33,ffff800000e9e660,ffff800000e9e688,5) at ifa_ifwithroute+0x16e sys/net/rtsock.c:1256 rtm_getifa(ffff80002f0d87f0,5) at rtm_getifa+0x1ec rtm_output(ffff800000e9e600,ffff80002f0d8898,ffff80002f0d87f0,6,5) at rtm_output+0x586 sys/net/rtsock.c:955 route_output(fffffd806d1a3c00,ffff800000e77ac0) at route_output+0x6a7 sys/net/rtsock.c:864 route_send(ffff800000e77ac0,fffffd806d1a3c00,0,0) at route_send+0x8f sys/net/rtsock.c:340 sosend(ffff800000e77ac0,0,ffff80002f0d8a48,0,0,0) at sosend+0x663 sendit(ffff80002a156560,6,ffff80002f0d8b40,0,ffff80002f0d8bf0) at sendit+0x54c sys/kern/uipc_syscalls.c:786 sys_sendto(ffff80002a156560,ffff80002f0d8ca0,ffff80002f0d8bf0) at sys_sendto+0x84 sys/kern/uipc_syscalls.c:564 syscall(ffff80002f0d8ca0) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff80002f0d8ca0) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5efef2eea70, count: -11