Warning: Permanently added '10.128.0.240' (ED25519) to the list of known hosts. executing program kernel: integer divide fault trap, code=0 Stopped at m_pool_used+0x45: divl %ecx,%eax ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic the kernel did not panic ddb> trace m_pool_used() at m_pool_used+0x45 sbchecklowmem() at sbchecklowmem+0x21 tcp_update_sndspace(ffff800000cdcf28) at tcp_update_sndspace+0x43 tcp_output(ffff800000cdcf28) at tcp_output+0x24cc tcp_send(fffffd806e5dbac0,fffffd807f020500,0,0) at tcp_send+0xf5 sosend(fffffd806e5dbac0,0,ffff800021674858,0,0,80) at sosend+0x66d dofilewritev(ffff8000ffff5060,4,ffff800021674858,0,ffff800021674940) at dofilewritev+0x1a0 sys_write(ffff8000ffff5060,ffff8000216748f0,ffff800021674940) at sys_write+0x87 syscall(ffff8000216749c0) at syscall+0x4a8 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e783a53f170, count: -10 ddb> show registers rdi 0xffff800000cdcf28 rsi 0x4000000 __kernel_phys_end+0x1200000 rbp 0xffff800021674410 rbx 0x140003e4 rdx 0 rcx 0 rax 0x2198000 __kernel_phys_base+0x1198000 r8 0x7f7fffffc000 r9 0x80 r10 0x96d1b423280e31aa r11 0x247a440ab14bb97d r12 0x43e0 __ALIGN_SIZE+0x33e0 r13 0xfffffd806e5dbac0 r14 0xffff800000cdcf28 r15 0x43e0 __ALIGN_SIZE+0x33e0 rip 0xffffffff81be7f15 m_pool_used+0x45 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800021674400 ss 0x10 m_pool_used+0x45: divl %ecx,%eax ddb> show proc PROC (sshd) pid=112316 stat=onproc flags process=12 proc=0 pri=24, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff5b40,0xffff8000ffff5328 process=0xffff8000ffff6010 user=0xffff80002166f000, vmspace=0xfffffd807f013000 estcpu=0, cpticks=1, pctcpu=0.3 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 85795 492034 95206 0 2 0 syz-executor1998899681 95206 392157 14604 0 3 0x82 nanoslp syz-executor1998899681 14604 519376 68093 0 3 0x10008a sigsusp ksh *68093 112316 44768 0 7 0x12 sshd 18464 111215 1 0 3 0x100083 ttyin getty 44768 489605 1 0 3 0x88 kqread sshd 36925 397362 55902 73 3 0x1100090 kqread syslogd 55902 429082 1 0 3 0x100082 netio syslogd 31121 331257 1 0 3 0x100080 kqread resolvd 15262 379982 14146 77 3 0x100092 kqread dhcpleased 80039 367478 14146 77 3 0x100092 kqread dhcpleased 14146 18566 1 0 3 0x80 kqread dhcpleased 99577 2469 0 0 3 0x14200 bored smr 86893 33431 0 0 3 0x14200 pgzero zerothread 53258 154480 0 0 3 0x14200 aiodoned aiodoned 53220 401039 0 0 3 0x14200 syncer update 8350 364067 0 0 3 0x14200 cleaner cleaner 38262 33716 0 0 3 0x14200 reaper reaper 29452 290613 0 0 3 0x14200 pgdaemon pagedaemon 23459 94468 0 0 3 0x14200 bored viomb 54341 418043 0 0 3 0x40014200 acpi0 acpi0 42487 316210 0 0 3 0x14200 bored softnet3 29693 301725 0 0 3 0x14200 bored softnet2 62650 503077 0 0 3 0x14200 bored softnet1 92601 103978 0 0 3 0x14200 bored softnet0 69325 442951 0 0 3 0x14200 bored systqmp 65676 246084 0 0 3 0x14200 bored systq 63169 487431 0 0 3 0x40014200 bored softclock 78691 291626 0 0 3 0x40014200 idle0 1 224331 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10133 6381K 6412K 78643K 11223 0 pcb 13 8K 8K 78643K 13 0 rtable 58 1K 2K 78643K 112 0 ifaddr 23 11K 11K 78643K 23 0 counters 20 16K 16K 78643K 20 0 ioctlops 0 0K 2K 78643K 21 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1174 73K 74K 78643K 1187 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 3 0K 0K 78643K 3 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 1 0K 0K 78643K 1 0 proc 55 58K 59K 78643K 246 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 11 0K 0K 78643K 11 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 25 122K 122K 78643K 25 0 exec 0 0K 1K 78643K 246 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 8 62K 64K 78643K 10 0 UVM amap 88 4K 5K 78643K 2170 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 3 0K 0K 78643K 3 0 temp 18 5841K 5905K 78643K 2788 0 kqueue 11 16K 18K 78643K 24 0 SYN cache 2 16K 16K 78643K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 21 0 18 1 0 1 1 0 8 0 rtentry 112 23 0 1 1 0 1 1 0 8 0 unpcb 144 35 0 22 1 0 1 1 0 8 0 syncache 296 5 0 5 1 0 1 1 0 8 1 tcpqe 32 129 0 129 1 1 0 1 0 8 0 tcpcb 776 8 0 5 1 0 1 1 0 8 0 arp 88 2 0 0 1 0 1 1 0 8 0 inpcb 336 26 0 20 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 96 0 0 6 0 6 6 0 8 0 art_table 32 97 0 0 1 0 1 1 0 8 0 art_node 16 22 0 2 1 0 1 1 0 8 0 semapl 112 1 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1422 0 37 87 0 87 87 0 8 0 ffsino 240 1422 0 37 82 0 82 82 0 8 0 nchpl 144 1605 0 47 58 0 58 58 0 8 0 uvmvnodes 80 1431 0 0 30 0 30 30 0 8 0 vnodes 216 1431 0 0 80 0 80 80 0 8 0 namei 1024 4271 0 4271 1 0 1 1 0 8 1 kstatmem 264 6 0 0 1 0 1 1 0 8 0 scxspl 216 4634 0 4634 3 1 2 3 0 8 2 plimitpl 152 16 0 10 1 0 1 1 0 8 0 sigapl 424 313 0 283 4 0 4 4 0 8 0 knotepl 120 3350 0 3320 2 0 2 2 0 8 1 kqueuepl 184 20 0 13 1 0 1 1 0 8 0 pipepl 288 89 0 86 1 0 1 1 0 8 0 fdescpl 432 297 0 283 2 0 2 2 0 8 0 filepl 120 1137 0 1084 2 0 2 2 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 17 0 9 1 0 1 1 0 8 0 pgrppl 48 17 0 9 1 0 1 1 0 8 0 ucredpl 104 66 0 56 1 0 1 1 0 8 0 zombiepl 144 283 0 283 1 0 1 1 0 8 1 processpl 1008 313 0 283 5 1 4 5 0 8 0 procpl 696 313 0 283 4 1 3 4 0 8 0 sockpl 456 82 0 60 3 0 3 3 0 8 0 mcl8k 8192 9 0 9 2 1 1 1 0 8 1 mcl4k 4096 5 0 5 1 0 1 1 0 8 1 mcl2k 2048 10798 0 10762 28 15 13 28 0 8 7 mtagpl 96 4 0 4 1 1 0 1 0 8 0 mbufpl 256 17446 0 17403 15 5 10 15 0 8 7 bufpl 288 2398 0 92 165 0 165 165 0 8 0 anonpl 24 185765 0 183923 24 1 23 24 0 188 11 amapchunkpl 152 8350 0 8210 7 1 6 7 0 158 0 amappl16 200 5582 0 5582 5 1 4 5 0 8 4 amappl15 192 13 0 13 2 2 0 1 0 8 0 amappl14 184 104 0 95 1 0 1 1 0 8 0 amappl13 176 11 0 11 1 1 0 1 0 8 0 amappl12 168 823 0 810 1 0 1 1 0 8 0 amappl11 160 50 0 40 1 0 1 1 0 8 0 amappl10 152 24 0 24 1 0 1 1 0 8 1 amappl9 144 123 0 123 1 0 1 1 0 8 1 amappl8 136 46 0 44 1 0 1 1 0 8 0 amappl7 128 33 0 28 1 0 1 1 0 8 0 amappl6 120 152 0 140 1 0 1 1 0 8 0 amappl5 112 84 0 77 1 0 1 1 0 8 0 amappl4 104 427 0 400 1 0 1 1 0 8 0 amappl3 96 2261 0 2230 1 0 1 1 0 8 0 amappl2 88 467 0 428 2 1 1 2 0 8 0 amappl1 80 9054 0 8632 11 0 11 11 0 8 0 amappl 88 1899 0 1848 2 0 2 2 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 297 0 283 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 297 0 283 1 0 1 1 0 8 0 vmmpekpl 168 7001 0 6990 1 0 1 1 0 8 0 vmmpepl 168 34159 0 33227 46 1 45 46 0 357 1 vmsppl 368 296 0 283 2 0 2 2 0 8 0 rwobjpl 24 19077 0 17031 14 1 13 14 0 8 0 pdppl 4096 601 0 566 51 16 35 41 0 8 0 pvpl 32 280085 0 275903 52 1 51 52 0 265 14 pmappl 216 296 0 283 1 0 1 1 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 449 0 39 12 0 12 12 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace m_pool_used() at m_pool_used+0x45 sbchecklowmem() at sbchecklowmem+0x21 tcp_update_sndspace(ffff800000cdcf28) at tcp_update_sndspace+0x43 tcp_output(ffff800000cdcf28) at tcp_output+0x24cc tcp_send(fffffd806e5dbac0,fffffd807f020500,0,0) at tcp_send+0xf5 sosend(fffffd806e5dbac0,0,ffff800021674858,0,0,80) at sosend+0x66d dofilewritev(ffff8000ffff5060,4,ffff800021674858,0,ffff800021674940) at dofilewritev+0x1a0 sys_write(ffff8000ffff5060,ffff8000216748f0,ffff800021674940) at sys_write+0x87 syscall(ffff8000216749c0) at syscall+0x4a8 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e783a53f170, count: -10 ddb> machine ddbcpu 1 No such command ddb> trace m_pool_used() at m_pool_used+0x45 sbchecklowmem() at sbchecklowmem+0x21 tcp_update_sndspace(ffff800000cdcf28) at tcp_update_sndspace+0x43 tcp_output(ffff800000cdcf28) at tcp_output+0x24cc tcp_send(fffffd806e5dbac0,fffffd807f020500,0,0) at tcp_send+0xf5 sosend(fffffd806e5dbac0,0,ffff800021674858,0,0,80) at sosend+0x66d dofilewritev(ffff8000ffff5060,4,ffff800021674858,0,ffff800021674940) at dofilewritev+0x1a0 sys_write(ffff8000ffff5060,ffff8000216748f0,ffff800021674940) at sys_write+0x87 syscall(ffff8000216749c0) at syscall+0x4a8 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e783a53f170, count: -10