A\mtiS*m& K,C,Դ5IőB@~m6KԐu 8o_YS*XMX31|cQg=X`8Tkernel: protection fault trap, code=0 Stopped at done_flush+0x38: movl %eax,%dr6 ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic the kernel did not panic ddb> trace end trace frame: 0x0, count: -1 ddb> show registers rdi 0x6c14 __ALIGN_SIZE+0x5c14 rsi 0xffff8000ffff7830 rbp 0 rbx 0x756e6547 rdx 0x49656e69 rcx 0x6c65746e rax 0x1000000006 r8 0 r9 0x10000 __ALIGN_SIZE+0xf000 r10 0 r11 0 r12 0 r13 0 r14 0 r15 0 rip 0xffffffff81cef14b done_flush+0x38 cs 0x8 rflags 0x10046 __ALIGN_SIZE+0xf046 rsp 0xffff80003811af88 ss 0x10 done_flush+0x38: movl %eax,%dr6 ddb> show proc PROC (syz-executor) tid=55095 pid=31767 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=50, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c936a90,0xffffffff8387ad70 process=0xffff8000fffef620 user=0xffff800038116000, vmspace=0xfffffd806cb39740 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 31767 78417 59662 0 3 0x80 fsleep syz-executor *31767 55095 59662 0 7 0x4000000 syz-executor 20289 17226 84641 0 3 0x80 fsleep syz-executor 20289 202359 84641 0 3 0x4000080 ttyout syz-executor 4478 133524 60950 0 3 0x80 fsleep syz-executor 4478 367116 60950 0 3 0x4000080 kqsel syz-executor 77118 129656 47787 0 3 0x80 fsleep syz-executor 77118 253452 47787 0 3 0x4000080 kqread syz-executor 88220 440973 81069 0 3 0x80 fsleep syz-executor 88220 378924 81069 0 3 0x4000080 ttyout syz-executor 84256 351588 91819 0 3 0x80 fsleep syz-executor 84256 278951 91819 0 2 0x4000000 syz-executor 76548 201185 1 0 3 0x82 nanoslp getty 30017 30109 20860 0 3 0x80 fsleep syz-executor 30017 317474 20860 0 3 0x4000080 kqread syz-executor 47712 467503 0 0 3 0x14280 nfsidl nfsio 79539 487609 0 0 3 0x14280 nfsidl nfsio 32828 230396 0 0 3 0x14280 nfsidl nfsio 95846 490195 0 0 3 0x14280 nfsidl nfsio 62673 384537 0 0 3 0x14280 nfsidl nfsio 16572 86332 0 0 3 0x14280 nfsidl nfsio 31050 343188 0 0 3 0x14280 nfsidl nfsio 77230 417429 0 0 3 0x14280 nfsidl nfsio 59491 455274 0 0 3 0x14280 nfsidl nfsio 38172 291691 0 0 3 0x14280 nfsidl nfsio 56541 25342 0 0 3 0x14280 nfsidl nfsio 21980 499494 0 0 3 0x14280 nfsidl nfsio 22573 488423 0 0 3 0x14280 nfsidl nfsio 2718 397842 0 0 3 0x14280 nfsidl nfsio 42783 204681 0 0 3 0x14280 nfsidl nfsio 70851 296712 0 0 3 0x14280 nfsidl nfsio 82486 501901 0 0 3 0x14280 nfsidl nfsio 64812 100887 0 0 3 0x14280 nfsidl nfsio 65639 108079 0 0 3 0x14280 nfsidl nfsio 57658 128992 0 0 3 0x14280 nfsidl nfsio 20860 252079 88094 0 3 0x82 nanoslp syz-executor 60950 211234 88094 0 3 0x82 nanoslp syz-executor 81069 396892 88094 0 3 0x82 nanoslp syz-executor 91377 125506 88094 0 3 0x82 nanoslp syz-executor 91819 185876 88094 0 3 0x82 nanoslp syz-executor 84641 306315 88094 0 3 0x82 nanoslp syz-executor 59662 176734 88094 0 3 0x82 nanoslp syz-executor 47787 90289 88094 0 3 0x82 nanoslp syz-executor 88094 220953 79198 0 3 0x82 kqread syz-executor 79198 222789 33704 0 3 0x10008a sigsusp ksh 33704 435340 77792 0 3 0x98 kqread sshd-session 77792 238285 82786 0 3 0x92 kqread sshd-session 82786 190490 1 0 3 0x88 kqread sshd 93884 491991 84307 73 3 0x1100090 kqread syslogd 84307 260600 1 0 3 0x100082 sbwait syslogd 42918 299599 1 0 3 0x100080 kqread resolvd 57770 393189 13196 77 3 0x100092 kqread dhcpleased 10110 375548 13196 77 3 0x100092 kqread dhcpleased 13196 153022 1 0 3 0x80 kqread dhcpleased 24576 35369 0 0 3 0x14200 bored smr 16611 479972 0 0 2 0x14200 zerothread 86872 368024 0 0 3 0x14200 aiodoned aiodoned 88242 406615 0 0 3 0x14200 syncer update 48528 153571 0 0 3 0x14200 cleaner cleaner 49706 279582 0 0 3 0x14200 reaper reaper 34678 386136 0 0 3 0x14200 pgdaemon pagedaemon 45118 503546 0 0 3 0x14200 bored viomb 80520 382802 0 0 3 0x40014200 acpi0 acpi0 97795 1811 0 0 3 0x14200 bored softnet0 54644 245445 0 0 3 0x14200 bored systqmp 1757 157724 0 0 3 0x14200 bored systq 74065 396632 0 0 3 0x40014200 tmoslp softclock 79484 419969 0 0 3 0x40014200 idle0 1 207852 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10219 11182K 11829K 166960K 12788 0 pcb 18 13K 21K 166960K 309 0 rtable 205 7K 9K 166960K 512 0 pf 38 14K 18K 166960K 93 0 ifaddr 39 6K 8K 166960K 71 0 ifgroup 61 2K 2K 166960K 114 0 sysctl 4 1K 9K 166960K 13 0 counters 34 18K 18K 166960K 58 0 ioctlops 0 0K 4K 166960K 236 0 iov 0 0K 16K 166960K 191 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1439 90K 91K 166960K 2348 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 14 0 VM map 2 1K 1K 166960K 2 0 sem 21 5K 5K 166960K 65 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 97K 166960K 941 0 sigio 0 0K 0K 166960K 22 0 proc 60 59K 108K 166960K 573 0 subproc 72 4K 4K 166960K 73 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 2 0K 0K 166960K 77 0 in_multi 75 5K 7K 166960K 138 0 ether_multi 1 0K 0K 166960K 10 0 mrt 1 0K 0K 166960K 6 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 265 1182K 1182K 166960K 265 0 exec 0 0K 1K 166960K 566 0 fusefs mount 1 32K 32K 166960K 1 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 235 151K 166K 166960K 10043 0 UVM aobj 56 8K 8K 166960K 57 0 pinsyscall 39 78K 94K 166960K 2022 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 47 0 NDP 13 0K 2K 166960K 47 0 temp 56 8660K 8724K 166960K 38852 0 kqueue 15 24K 30K 166960K 173 0 SYN cache 2 16K 16K 166960K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 93 0 89 1 0 1 1 0 8 0 rtentry 136 128 0 45 4 0 4 4 0 8 0 unpcb 144 679 0 664 3 2 1 3 0 8 0 syncache 336 4 0 4 1 1 0 1 0 8 0 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 736 318 0 313 9 5 4 7 0 8 3 arp 96 21 0 3 1 0 1 1 0 8 0 ipq 40 4 0 0 1 0 1 1 0 8 0 ipqe 40 59 0 55 1 0 1 1 0 8 0 inpcb 328 822 0 811 9 5 4 7 0 8 2 ip6q 72 10 0 6 1 0 1 1 0 8 0 ip6af 40 18 0 12 1 0 1 1 0 8 0 nd6 112 27 0 9 1 0 1 1 0 8 0 pkpcb 40 4 0 4 1 1 0 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 1 0 1 0 8 0 ppxss 1072 18 0 18 1 0 1 1 0 8 1 pppxif 1384 3 0 3 1 1 0 1 0 8 0 pfrktable 1344 34 0 34 1 1 0 1 0 8 0 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pfstitem 24 4 0 0 1 0 1 1 0 8 0 pfstkey 128 6 0 3 1 0 1 1 0 8 0 pfstate 384 3 0 1 1 0 1 1 0 8 0 pfrule 1344 4 0 3 1 0 1 1 0 8 0 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 549 0 213 31 3 28 31 0 8 2 art_table 40 551 0 213 5 0 5 5 0 8 0 art_node 32 127 0 53 1 0 1 1 0 8 0 sysvmsgpl 40 8 0 6 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 60 0 41 1 0 1 1 0 8 0 shmpl 112 51 0 1 2 0 2 2 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 3172 0 1674 95 0 95 95 0 8 0 ffsino 256 3172 0 1674 95 0 95 95 0 8 0 nchpl 144 4520 0 2829 64 0 64 64 0 8 0 rtmask 32 3 0 3 1 1 0 1 0 8 0 vnodes 216 3847 0 0 214 0 214 214 0 8 0 namei 1024 15754 0 15754 3 2 1 2 0 8 1 vcpupl 3904 3 0 0 1 0 1 1 0 8 0 vmpool 800 3 0 0 1 0 1 1 0 8 0 kstatmem 264 62 0 36 4 1 3 3 0 8 1 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 6 0 6 1 1 0 1 0 8 0 scxspl 216 17627 0 17627 8 7 1 8 1 8 1 plimitpl 152 289 0 269 1 0 1 1 0 8 0 sigapl 424 1251 0 1188 8 0 8 8 0 8 0 knotepl 120 64119 0 63855 30 14 16 17 0 8 6 kqueuepl 184 331 0 318 4 3 1 4 0 8 0 pipepl 304 357 0 330 8 5 3 8 0 8 0 fdescpl 448 1217 0 1187 5 1 4 5 0 8 0 filepl 120 8118 0 7897 15 6 9 14 0 8 1 lockfpl 104 498 0 493 2 1 1 2 0 8 0 lockfspl 48 217 0 212 1 0 1 1 0 8 0 sessionpl 144 23 0 16 1 0 1 1 0 8 0 pgrppl 48 118 0 103 1 0 1 1 0 8 0 ucredpl 104 1366 0 1355 1 0 1 1 0 8 0 zombiepl 144 1233 0 1232 1 0 1 1 0 8 0 processpl 1152 1251 0 1188 5 0 5 5 0 8 0 procpl 664 2498 0 2428 7 0 7 7 0 8 0 sosppl 176 3 0 3 1 1 0 1 0 8 0 sockpl 552 1696 0 1666 10 5 5 8 0 8 2 mcl64k 65536 180 0 179 3 2 1 3 0 8 0 mcl9k 9216 2 0 2 2 1 1 1 0 8 1 mcl8k 8192 9 0 9 1 1 0 1 0 8 0 mcl4k 4096 3504 0 3452 13 5 8 12 0 8 1 mcl2k 2048 1367 0 1361 5 1 4 4 0 8 2 mtagpl 96 80 0 16 2 0 2 2 0 8 0 mbufpl 256 13437 0 13191 76 57 19 75 0 8 0 bufpl 280 8548 0 2327 445 0 445 445 0 8 0 anonpl 24 224735 0 219267 58 23 35 56 0 187 2 amapchunkpl 152 34616 0 34101 37 12 25 37 0 158 3 amappl16 200 4930 0 4774 31 22 9 15 0 8 0 amappl15 192 11 0 11 1 1 0 1 0 8 0 amappl14 184 8 0 8 1 1 0 1 0 8 0 amappl13 176 414 0 413 1 0 1 1 0 8 0 amappl12 168 1561 0 1522 2 0 2 2 0 8 0 amappl11 160 5 0 5 1 1 0 1 0 8 0 amappl10 152 78 0 68 1 0 1 1 0 8 0 amappl9 144 272 0 272 1 1 0 1 0 8 0 amappl8 136 21 0 19 1 0 1 1 0 8 0 amappl7 128 110 0 109 1 0 1 1 0 8 0 amappl6 120 270 0 259 1 0 1 1 0 8 0 amappl5 112 112 0 105 1 0 1 1 0 8 0 amappl4 104 389 0 364 1 0 1 1 0 8 0 amappl3 96 5839 0 5747 3 0 3 3 0 8 0 amappl2 88 1352 0 1282 2 0 2 2 0 8 0 amappl1 80 12624 0 12077 13 1 12 13 0 8 0 amappl 88 9186 0 9019 5 0 5 5 0 92 0 uvmvnodes 80 128 0 0 3 0 3 3 0 8 0 dma8192 8192 1 0 1 1 1 0 1 0 8 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 7 0 7 1 1 0 1 0 8 0 dma32 32 8 0 8 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 56 0 1 1 0 1 1 0 8 0 uaddrrnd 24 1217 0 1187 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1217 0 1187 1 0 1 1 0 8 0 vmmpekpl 168 11237 0 11206 2 0 2 2 0 8 0 vmmpepl 168 84175 0 82203 95 9 86 93 0 357 0 vmsppl 368 1216 0 1187 4 1 3 4 0 8 0 rwobjpl 40 24564 0 23407 13 0 13 13 0 8 0 pdppl 4096 2447 0 2377 105 35 70 83 0 8 0 pvpl 32 577777 0 566446 139 39 100 131 0 265 7 pmappl 216 1219 0 1187 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 456 0 118 12 0 12 12 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace end trace frame: 0x0, count: -1 ddb> machine ddbcpu 1 No such command ddb> trace end trace frame: 0x0, count: -1