login: kernel: integer divide fault trap, code=0 Stopped at pf_get_transaddr+0x27b: idivl %r13d,%eax ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic the kernel did not panic ddb{0}> trace pf_get_transaddr(ffff800000b59558,ffff800021155a18,ffff8000211558d8,ffff800021155900) at pf_get_transaddr+0x27b sys/net/pf_lb.c:711 pf_test_rule(ffff800021155a18,ffff800021155b10,ffff800021155b20,ffff800021155b00,ffff800021155af0,3,5295164399910481) at pf_test_rule+0x4a0 sys/net/pf.c:3891 pf_test(18,2,ffff800000b39800,ffff800021155c98) at pf_test+0x1e30 sys/net/pf.c:7064 ip6_output(fffffd806d206600,ffffffff82839220,0,0,ffff800021155d28,0) at ip6_output+0x14d1 sys/netinet6/ip6_output.c:634 mld6_sendpkt(ffff800000b17300,83,0) at mld6_sendpkt+0x2c2 sys/netinet6/mld6.c:465 mld6_fasttimeo() at mld6_fasttimeo+0x152 mld6_checktimer sys/netinet6/mld6.c:363 [inline] mld6_fasttimeo() at mld6_fasttimeo+0x152 sys/netinet6/mld6.c:341 pffasttimo(ffffffff828add28) at pffasttimo+0x10b sys/kern/uipc_domain.c:288 timeout_run(ffffffff828add28) at timeout_run+0xcc sys/kern/kern_timeout.c:678 softclock_thread(ffff800021149500) at softclock_thread+0x134 sys/kern/kern_timeout.c:802 end trace frame: 0x0, count: -9 ddb{0}> show registers rdi 0 rsi 0xfffe __ALIGN_SIZE+0xeffe rbp 0xffff800021155880 rbx 0xf rdx 0 rcx 0xffff __ALIGN_SIZE+0xefff rax 0x82 r8 0xffffffff81d44a2d pf_insert_src_node+0x2dd r9 0x1 r10 0x6b40ae5be759c4b6 r11 0xfa79390790db3dd6 r12 0x18 r13 0 r14 0xffff800021155a18 r15 0xffff800000b59558 rip 0xffffffff81715cdb pf_get_transaddr+0x27b cs 0x8 rflags 0x10257 __ALIGN_SIZE+0xf257 rsp 0xffff800021155810 ss 0x10 pf_get_transaddr+0x27b: idivl %r13d,%eax ddb{0}> show proc PROC (softclock) pid=365751 stat=onproc flags process=14000 proc=40000200 pri=0, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff800021149a40,0xffff800021148d30 process=0xffff8000ffffd4f0 user=0xffff800021150000, vmspace=0xffffffff828e31b8 estcpu=0, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 44211 197414 72689 0 2 0x482 syz-executor.0 72689 312980 86762 0 3 0x82 thrsleep syz-execprog 72689 303340 86762 0 3 0x4000082 thrsleep syz-execprog 72689 219398 86762 0 3 0x4000082 thrsleep syz-execprog 72689 464134 86762 0 3 0x4000082 thrsleep syz-execprog 72689 342484 86762 0 3 0x4000082 kqread syz-execprog 72689 235830 86762 0 3 0x4000082 thrsleep syz-execprog 72689 69086 86762 0 3 0x4000082 thrsleep syz-execprog 72689 22423 86762 0 3 0x4000082 thrsleep syz-execprog 86762 268274 12150 0 3 0x10008a sigsusp ksh 12150 44003 96667 0 3 0x9a kqread sshd 81783 445576 1 0 3 0x100083 ttyin getty 96667 157736 1 0 3 0x88 kqread sshd 44167 448141 89673 74 3 0x100092 bpf pflogd 89673 22511 1 0 3 0x80 netio pflogd 78676 4050 93346 73 3 0x100090 kqread syslogd 93346 103730 1 0 3 0x100082 netio syslogd 97344 45909 1 0 3 0x100080 kqread resolvd 48611 522837 58623 77 3 0x100092 kqread dhcpleased 22671 371344 58623 77 3 0x100092 kqread dhcpleased 58623 54935 1 0 3 0x80 kqread dhcpleased 1266 44170 0 0 3 0x14200 bored smr 24610 316394 0 0 3 0x14200 pgzero zerothread 15978 109190 0 0 3 0x14200 aiodoned aiodoned 66890 416674 0 0 3 0x14200 syncer update 51090 245533 0 0 3 0x14200 cleaner cleaner 46612 66706 0 0 3 0x14200 reaper reaper 12380 411483 0 0 3 0x14200 pgdaemon pagedaemon 57982 285799 0 0 3 0x14200 bored viomb 15713 358974 0 0 3 0x40014200 acpi0 acpi0 51797 73732 0 0 7 0x40014200 idle1 83200 391135 0 0 3 0x14200 bored softnet 28856 313139 0 0 3 0x14200 bored systqmp 54831 520124 0 0 3 0x14200 bored systq * 7576 365751 0 0 7 0x40014200 softclock 59917 78952 0 0 3 0x40014200 idle0 1 397282 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 7576 (softclock) thread 0xffff800021149500 (365751) exclusive rwlock pf_lock r = 0 (0xffffffff8279a5a0) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182 #1 pf_test+0x1e06 #2 ip6_output+0x14d1 sys/netinet6/ip6_output.c:634 #3 mld6_sendpkt+0x2c2 sys/netinet6/mld6.c:465 #4 mld6_fasttimeo+0x152 mld6_checktimer sys/netinet6/mld6.c:363 [inline] #4 mld6_fasttimeo+0x152 sys/netinet6/mld6.c:341 #5 pffasttimo+0x10b sys/kern/uipc_domain.c:288 #6 timeout_run+0xcc sys/kern/kern_timeout.c:678 #7 softclock_thread+0x134 sys/kern/kern_timeout.c:802 #8 proc_trampoline+0x1c exclusive rwlock netlock r = 0 (0xffffffff8282d820) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182 #1 mld6_fasttimeo+0x1d sys/netinet6/mld6.c:336 #2 pffasttimo+0x10b sys/kern/uipc_domain.c:288 #3 timeout_run+0xcc sys/kern/kern_timeout.c:678 #4 softclock_thread+0x134 sys/kern/kern_timeout.c:802 #5 proc_trampoline+0x1c shared rwlock timeout r = 0 (0xffffffff82822bf0) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182 #1 timeout_run+0xb7 sys/kern/kern_timeout.c:674 #2 softclock_thread+0x134 sys/kern/kern_timeout.c:802 #3 proc_trampoline+0x1c exclusive kernel_lock &kernel_lock r = 0 (0xffffffff828b0358) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182 #1 __mp_acquire_count+0x4c sys/kern/kern_lock.c:227 #2 mi_switch+0x3d3 sys/kern/sched_bsd.c:416 #3 sleep_finish+0x1b2 sys/kern/kern_synch.c:433 #4 softclock_thread+0xd9 sys/kern/kern_timeout.c:797 #5 proc_trampoline+0x1c ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10112 6417K 6417K 78643K 11202 0 pcb 13 8K 8K 78643K 13 0 rtable 89 4K 4K 78643K 149 0 ifaddr 39 10K 10K 78643K 40 0 counters 42 33K 33K 78643K 42 0 ioctlops 0 0K 4K 78643K 1550 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1183 74K 75K 78643K 1188 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 1K 78643K 2 0 VM map 2 1K 1K 78643K 2 0 sem 2 0K 0K 78643K 2 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 2 4K 12K 78643K 64 0 proc 67 87K 99K 78643K 306 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 22 1K 1K 78643K 22 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 19 95K 95K 78643K 19 0 exec 0 0K 2K 78643K 390 0 tdb 3 0K 0K 78643K 3 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 130 15K 15K 78643K 2694 0 UVM aobj 3 2K 2K 78643K 3 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 5 0K 0K 78643K 7 0 temp 29 4183K 4247K 78643K 2350 0 kqueue 12 18K 18K 78643K 21 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 plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 113 0 110 1 0 1 1 0 8 0 rtentry 112 34 0 1 1 0 1 1 0 8 0 unpcb 128 35 0 20 1 0 1 1 0 8 0 syncache 296 5 0 5 2 1 1 1 0 8 1 tcpcb 736 8 0 5 1 0 1 1 0 8 0 arp 120 4 0 0 1 0 1 1 0 8 0 inpcb 304 36 0 30 1 0 1 1 0 8 0 nd6 48 3 0 0 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 3 0 1 1 0 1 1 0 8 0 pfstitem 24 10 0 0 1 0 1 1 0 8 0 pfstkey 112 10 0 0 1 0 1 1 0 8 0 pfstate 320 10 0 0 1 0 1 1 0 8 0 pfsrctr 152 1 0 0 1 0 1 1 0 8 0 pfrule 1360 91 0 63 4 1 3 3 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 143 0 0 9 0 9 9 0 8 0 art_table 32 144 0 0 2 0 2 2 0 8 0 art_node 16 33 0 3 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1482 0 75 88 0 88 88 0 8 0 ffsino 272 1482 0 75 94 0 94 94 0 8 0 nchpl 144 1751 0 139 60 0 60 60 0 8 0 uvmvnodes 72 1492 0 0 28 0 28 28 0 8 0 vnodes 224 1492 0 0 88 0 88 88 0 8 0 namei 1024 4858 0 4858 2 1 1 1 0 8 1 percpumem 16 33 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 23 0 0 1 0 1 1 0 8 0 scxspl 216 5192 0 5192 9 1 8 8 0 8 8 plimitpl 152 17 0 9 1 0 1 1 0 8 0 sigapl 424 321 0 291 4 0 4 4 0 8 0 futexpl 64 1033 0 1033 1 0 1 1 0 8 1 knotepl 112 51 0 0 2 0 2 2 0 8 0 kqueuepl 216 17 0 9 1 0 1 1 0 8 0 pipepl 336 83 0 76 2 1 1 1 0 8 0 fdescpl 496 307 0 291 3 0 3 3 0 8 0 filepl 152 1440 0 1370 3 0 3 3 0 8 0 lockfpl 104 6 0 4 1 0 1 1 0 8 0 lockfspl 48 4 0 2 1 0 1 1 0 8 0 sessionpl 144 19 0 9 1 0 1 1 0 8 0 pgrppl 48 19 0 9 1 0 1 1 0 8 0 ucredpl 96 69 0 57 1 0 1 1 0 8 0 zombiepl 144 291 0 290 2 1 1 1 0 8 0 processpl 1072 321 0 290 3 0 3 3 0 8 0 procpl 672 483 0 445 4 0 4 4 0 8 0 sockpl 480 184 0 160 5 1 4 4 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 72 0 0 9 0 9 9 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 127 0 0 8 0 8 8 0 8 0 bufpl 280 3458 0 164 236 0 236 236 0 8 0 anonpl 24 53594 0 49795 36 4 32 32 0 186 8 amapchunkpl 152 5664 0 5359 15 1 14 14 0 158 2 amappl16 200 208 0 158 4 1 3 3 0 8 0 amappl15 192 77 0 72 1 0 1 1 0 8 0 amappl14 184 3 0 2 1 0 1 1 0 8 0 amappl13 176 80 0 76 2 1 1 1 0 8 0 amappl12 168 10 0 10 1 1 0 1 0 8 0 amappl11 160 76 0 58 1 0 1 1 0 8 0 amappl10 152 12 0 10 1 0 1 1 0 8 0 amappl9 144 235 0 232 1 0 1 1 0 8 0 amappl8 136 314 0 293 1 0 1 1 0 8 0 amappl7 128 47 0 42 1 0 1 1 0 8 0 amappl6 120 54 0 48 1 0 1 1 0 8 0 amappl5 112 214 0 194 1 0 1 1 0 8 0 amappl4 104 575 0 552 1 0 1 1 0 8 0 amappl3 96 227 0 209 1 0 1 1 0 8 0 amappl2 88 449 0 409 2 0 2 2 0 8 1 amappl1 80 9121 0 8697 13 0 13 13 0 8 3 amappl 88 2405 0 2308 3 0 3 3 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 64 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 307 0 291 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 307 0 291 1 0 1 1 0 8 0 vmmpekpl 168 7458 0 7441 1 0 1 1 0 8 0 vmmpepl 168 30101 0 29012 65 1 64 64 0 357 15 vmsppl 368 306 0 291 2 0 2 2 0 8 0 rwobjpl 56 9037 0 8320 15 1 14 14 0 8 3 pdppl 4096 622 0 582 64 18 46 46 0 8 6 pvpl 32 178082 0 171489 134 0 134 134 0 265 79 pmappl 224 306 0 291 2 0 2 2 0 8 0 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 292 0 23 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace pf_get_transaddr(ffff800000b59558,ffff800021155a18,ffff8000211558d8,ffff800021155900) at pf_get_transaddr+0x27b sys/net/pf_lb.c:711 pf_test_rule(ffff800021155a18,ffff800021155b10,ffff800021155b20,ffff800021155b00,ffff800021155af0,3,5295164399910481) at pf_test_rule+0x4a0 sys/net/pf.c:3891 pf_test(18,2,ffff800000b39800,ffff800021155c98) at pf_test+0x1e30 sys/net/pf.c:7064 ip6_output(fffffd806d206600,ffffffff82839220,0,0,ffff800021155d28,0) at ip6_output+0x14d1 sys/netinet6/ip6_output.c:634 mld6_sendpkt(ffff800000b17300,83,0) at mld6_sendpkt+0x2c2 sys/netinet6/mld6.c:465 mld6_fasttimeo() at mld6_fasttimeo+0x152 mld6_checktimer sys/netinet6/mld6.c:363 [inline] mld6_fasttimeo() at mld6_fasttimeo+0x152 sys/netinet6/mld6.c:341 pffasttimo(ffffffff828add28) at pffasttimo+0x10b sys/kern/uipc_domain.c:288 timeout_run(ffffffff828add28) at timeout_run+0xcc sys/kern/kern_timeout.c:678 softclock_thread(ffff800021149500) at softclock_thread+0x134 sys/kern/kern_timeout.c:802 end trace frame: 0x0, count: -9 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800020d38ff0) at x86_ipi_db+0x1a 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+0x23 acpicpu_idle() at acpicpu_idle+0x2eb sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800020d38ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178 end trace frame: 0x0, count: -5 ddb{1}>