kernel: 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 0xffff80002a603e30 rbp 0 rbx 0x756e6547 rdx 0x49656e69 rcx 0x6c65746e rax 0xfffffffffffffffd r8 0 r9 0x10000 __ALIGN_SIZE+0xf000 r10 0 r11 0 r12 0 r13 0 r14 0 r15 0 rip 0xffffffff814cc91b done_flush+0x38 cs 0x8 rflags 0x10046 __ALIGN_SIZE+0xf046 rsp 0xffff8000377f0f78 ss 0x10 done_flush+0x38: movl %eax,%dr6 ddb> show proc PROC (syz-executor.6) tid=175458 pid=96265 tcnt=2 stat=onproc flags process=8000000 proc=4000000 runpri=32, usrpri=75, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a6d8550,0xffff80002f54ad18 process=0xffff80002f54f258 user=0xffff8000377ec000, vmspace=0xfffffd806f205410 estcpu=25, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 99992 243856 97009 0 2 0x8000000 syz-executor.1 5070 190244 64551 0 2 0x8000000 syz-executor.5 5070 187225 64551 0 3 0xc000080 fsleep syz-executor.5 58247 68810 71959 0 2 0x8000000 syz-executor.0 58247 153723 71959 0 3 0xc000080 fsleep syz-executor.0 73520 215647 33549 0 2 0x8000000 syz-executor.7 73520 281746 33549 0 3 0xc000080 fsleep syz-executor.7 14309 378614 82068 0 2 0x8000000 syz-executor.4 14309 41762 82068 0 3 0xc000080 fsleep syz-executor.4 96265 440752 10396 0 2 0x8000000 syz-executor.6 *96265 175458 10396 0 7 0xc000000 syz-executor.6 34865 410182 24234 0 2 0x8000000 syz-executor.2 33549 486587 19766 0 3 0x8000082 nanoslp syz-executor.7 64551 231611 19766 0 3 0x8000082 nanoslp syz-executor.5 24234 335135 19766 0 3 0x8000082 nanoslp syz-executor.2 2426 325296 19766 0 2 0x8000002 syz-executor.3 86367 489169 0 0 3 0x14280 nfsidl nfsio 12677 214094 0 0 3 0x14280 nfsidl nfsio 22072 126565 0 0 3 0x14280 nfsidl nfsio 46380 94444 0 0 3 0x14280 nfsidl nfsio 34231 136628 0 0 3 0x14280 nfsidl nfsio 24931 316396 0 0 3 0x14280 nfsidl nfsio 46216 172777 0 0 3 0x14280 nfsidl nfsio 32418 399193 0 0 3 0x14280 nfsidl nfsio 75027 241541 0 0 3 0x14280 nfsidl nfsio 12804 44617 0 0 3 0x14280 nfsidl nfsio 92525 222942 0 0 3 0x14280 nfsidl nfsio 52072 33107 0 0 3 0x14280 nfsidl nfsio 39809 196365 0 0 3 0x14280 nfsidl nfsio 80693 131481 0 0 3 0x14280 nfsidl nfsio 59645 309074 0 0 3 0x14280 nfsidl nfsio 59738 318846 0 0 3 0x14280 nfsidl nfsio 56680 162233 0 0 3 0x14280 nfsidl nfsio 9911 196153 0 0 3 0x14280 nfsidl nfsio 84343 347792 0 0 3 0x14280 nfsidl nfsio 54647 277393 0 0 3 0x14280 nfsidl nfsio 97009 243660 19766 0 3 0x8000082 nanoslp syz-executor.1 71959 514590 19766 0 3 0x8000082 nanoslp syz-executor.0 10396 518559 19766 0 3 0x8000082 nanoslp syz-executor.6 82068 292337 19766 0 3 0x8000082 nanoslp syz-executor.4 1446 351745 1 0 3 0x8000080 fsleep syz-executor.6 1446 343479 1 0 3 0xc000080 netio syz-executor.6 58650 290040 1 0 3 0x18100083 ttyin getty 62556 195130 0 0 3 0x14200 bored sosplice 19766 204242 40502 0 3 0x1a000082 thrsleep syz-fuzzer 19766 147629 40502 0 3 0x1e000082 thrsleep syz-fuzzer 19766 428375 40502 0 3 0x1e000082 wait syz-fuzzer 19766 357422 40502 0 3 0x1e000082 wait syz-fuzzer 19766 366961 40502 0 3 0x1e000082 wait syz-fuzzer 19766 16501 40502 0 3 0x1e000082 wait syz-fuzzer 19766 338031 40502 0 3 0x1e000082 kqread syz-fuzzer 19766 153494 40502 0 3 0x1e000082 thrsleep syz-fuzzer 19766 99046 40502 0 3 0x1e000082 wait syz-fuzzer 19766 335593 40502 0 3 0x1e000082 wait syz-fuzzer 19766 32770 40502 0 3 0x1e000082 thrsleep syz-fuzzer 19766 49786 40502 0 3 0x1e000082 wait syz-fuzzer 19766 80009 40502 0 3 0x1e000082 thrsleep syz-fuzzer 19766 313510 40502 0 3 0x1e000082 wait syz-fuzzer 40502 419020 366 0 3 0x810008a sigsusp ksh 366 119685 99074 0 3 0x1800009a kqread sshd 99074 291753 1 0 3 0x18000088 kqread sshd 15479 411124 2070 73 3 0x19100090 kqread syslogd 2070 174286 1 0 3 0x18100082 sbwait syslogd 46517 386568 1 0 3 0x18100080 kqread resolvd 93704 162136 0 0 3 0x14200 bored smr 24726 291141 0 0 2 0x14200 zerothread 77625 160286 0 0 3 0x14200 aiodoned aiodoned 43953 275378 0 0 3 0x14200 syncer update 46190 236042 0 0 3 0x14200 cleaner cleaner 70426 15128 0 0 3 0x14200 reaper reaper 87438 206101 0 0 3 0x14200 pgdaemon pagedaemon 89955 71275 0 0 3 0x14200 bored viomb 28110 408510 0 0 3 0x40014200 acpi0 acpi0 30456 223975 0 0 3 0x14200 bored softnet3 22874 359129 0 0 3 0x14200 bored softnet2 2010 87911 0 0 3 0x14200 bored softnet1 11191 196236 0 0 3 0x14200 bored softnet0 92209 292920 0 0 3 0x14200 bored systqmp 31501 359505 0 0 3 0x14200 bored systq 49018 39323 0 0 3 0x40014200 tmoslp softclock 13826 32554 0 0 3 0x40014200 idle0 1 360351 0 0 3 0x8000082 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 10169 6402K 6923K 166960K 14087 0 pcb 15 13K 15K 166960K 303 0 rtable 221 8K 9K 166960K 1692 0 pf 31 9K 9K 166960K 162 0 ifaddr 42 11K 13K 166960K 225 0 ifgroup 54 2K 2K 166960K 291 0 sysctl 4 1K 1K 166960K 4 0 counters 31 17K 17K 166960K 89 0 ioctlops 0 0K 2K 166960K 210 0 iov 0 0K 34K 166960K 158 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1419 89K 89K 166960K 3221 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 40 0 VM map 2 1K 1K 166960K 2 0 sem 12 1K 1K 166960K 14 0 dirhash 12 2K 2K 166960K 45 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 18 65K 77K 166960K 2870 0 sigio 0 0K 0K 166960K 57 0 proc 52 42K 83K 166960K 1734 0 subproc 117 7K 8K 166960K 637 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 405 0 in_multi 88 6K 7K 166960K 586 0 ether_multi 1 0K 0K 166960K 7 0 mrt 1 0K 0K 166960K 3 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 1171 0 pfkey data 0 0K 0K 166960K 7 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 310 186K 194K 166960K 24957 0 UVM aobj 73 3K 3K 166960K 80 0 pinsyscall 32 64K 100K 166960K 5015 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 1 0K 0K 166960K 254 0 NDP 12 0K 2K 166960K 162 0 temp 78 6804K 7440K 166960K 55926 0 kqueue 6 10K 26K 166960K 281 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 120 231 0 230 1 0 1 1 0 8 0 rtentry 112 576 0 476 4 0 4 4 0 8 0 unpcb 144 1735 0 1725 5 0 5 5 0 8 4 syncache 336 71 0 71 1 0 1 1 0 8 1 tcpqe 32 229 0 229 1 0 1 1 0 8 1 tcpcb 808 950 0 895 8 0 8 8 0 8 1 arp 88 106 0 90 1 0 1 1 0 8 0 ipq 40 5 0 5 1 0 1 1 0 8 1 ipqe 40 10 0 10 1 0 1 1 0 8 1 inpcb 360 3133 0 3076 19 4 15 19 0 8 8 nd6 104 156 0 134 1 0 1 1 0 8 0 pkpcb 40 24 0 24 1 0 1 1 0 8 1 kcovpl 48 49 0 40 1 0 1 1 0 8 0 ppxss 1072 6 0 6 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 2241 0 1825 45 16 29 30 0 8 3 art_table 32 2242 0 1825 4 0 4 4 0 8 0 art_node 16 570 0 479 1 0 1 1 0 8 0 sysvmsgpl 40 98 0 84 1 0 1 1 0 8 0 semupl 112 3 0 3 1 0 1 1 0 8 1 semapl 112 10 0 0 1 0 1 1 0 8 0 shmpl 112 77 0 7 2 0 2 2 0 8 0 dirhash 1024 39 0 22 3 0 3 3 0 8 0 dino2pl 256 5354 0 3835 96 0 96 96 0 8 0 ffsino 240 5354 0 3835 90 0 90 90 0 8 0 nchpl 144 9127 0 7397 66 0 66 66 0 8 0 uvmvnodes 80 6441 0 0 132 0 132 132 0 8 0 vnodes 216 6441 0 0 358 0 358 358 0 8 0 namei 1024 32313 0 32312 2 0 2 2 0 8 1 vcpupl 2048 12 0 0 2 0 2 2 0 8 0 vmpool 664 20 0 8 2 0 2 2 0 8 0 kstatmem 264 140 0 116 2 0 2 2 0 8 0 scxspl 216 44802 0 44802 8 0 8 8 1 8 8 plimitpl 152 342 0 327 1 0 1 1 0 8 0 sigapl 424 3133 0 3070 8 0 8 8 0 8 0 futexpl 64 35837 0 35832 1 0 1 1 0 8 0 knotepl 120 23982 0 23916 12 0 12 12 0 8 8 kqueuepl 184 491 0 486 2 0 2 2 0 8 1 pipepl 288 518 0 489 3 0 3 3 0 8 0 fdescpl 432 3055 0 3029 4 0 4 4 0 8 0 filepl 120 17389 0 17146 15 1 14 15 0 8 4 lockfpl 104 763 0 762 1 0 1 1 0 8 0 lockfspl 48 292 0 291 1 0 1 1 0 8 0 sessionpl 144 63 0 47 1 0 1 1 0 8 0 pgrppl 48 94 0 78 1 0 1 1 0 8 0 ucredpl 104 2638 0 2631 1 0 1 1 0 8 0 zombiepl 144 3070 0 3070 1 0 1 1 0 8 1 processpl 1072 3133 0 3070 5 0 5 5 0 8 0 procpl 656 5705 0 5623 9 0 9 9 0 8 1 sosppl 168 52 0 49 1 0 1 1 0 8 0 sockpl 488 5142 0 5074 46 27 19 40 0 8 8 mcl64k 65536 112 0 112 1 0 1 1 0 8 1 mcl16k 16384 64 0 64 1 0 1 1 0 8 1 mcl12k 12288 97 0 97 1 0 1 1 0 8 1 mcl9k 9216 20 0 20 1 0 1 1 0 8 1 mcl8k 8192 231 0 231 1 0 1 1 0 8 1 mcl4k 4096 407 0 407 1 0 1 1 0 8 1 mcl2k2 2112 17 0 17 1 0 1 1 0 8 1 mcl2k 2048 36995 0 36945 33 20 13 31 0 8 4 mtagpl 96 207 0 207 4 0 4 4 0 8 4 mbufpl 256 94203 0 93921 79 45 34 75 0 8 8 bufpl 280 11054 0 4588 462 0 462 462 0 8 0 anonpl 24 449136 0 443890 67 0 67 67 0 188 15 amapchunkpl 152 80037 0 79408 42 0 42 42 0 158 14 amappl16 200 9546 0 9444 38 22 16 19 0 8 8 amappl15 192 11 0 11 1 0 1 1 0 8 1 amappl14 184 269 0 257 2 0 2 2 0 8 1 amappl13 176 37 0 36 1 0 1 1 0 8 0 amappl12 168 4296 0 4266 2 0 2 2 0 8 0 amappl11 160 88 0 84 1 0 1 1 0 8 0 amappl10 152 153 0 138 1 0 1 1 0 8 0 amappl9 144 184 0 183 1 0 1 1 0 8 0 amappl8 136 376 0 293 4 0 4 4 0 8 0 amappl7 128 61 0 46 1 0 1 1 0 8 0 amappl6 120 953 0 936 2 0 2 2 0 8 1 amappl5 112 362 0 353 1 0 1 1 0 8 0 amappl4 104 764 0 736 2 0 2 2 0 8 1 amappl3 96 15674 0 15600 3 0 3 3 0 8 0 amappl2 88 3791 0 3732 4 0 4 4 0 8 2 amappl1 80 21815 0 21401 22 4 18 22 0 8 8 amappl 88 23969 0 23778 6 0 6 6 0 92 0 dma4096 4096 1 0 1 1 0 1 1 0 8 1 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 0 1 1 0 8 1 dma128 128 253 0 253 1 0 1 1 0 8 1 dma64 64 6 0 6 1 0 1 1 0 8 1 dma32 32 7 0 7 1 0 1 1 0 8 1 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 79 0 7 2 0 2 2 0 8 0 uaddrrnd 24 3075 0 3037 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3075 0 3037 1 0 1 1 0 8 0 vmmpekpl 168 24675 0 24624 3 0 3 3 0 8 0 vmmpepl 168 208859 0 207116 113 0 113 113 0 357 23 vmsppl 344 3074 0 3037 4 0 4 4 0 8 0 rwobjpl 24 59863 0 52370 46 0 46 46 0 8 0 pdppl 4096 6156 0 6086 258 186 72 77 0 8 2 pvpl 32 1232355 0 1221604 390 33 357 390 0 265 233 pmappl 216 3074 0 3037 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 628 0 267 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