kernel: double fault trap, code=0 Stopped at restore_saved+0x35: xorq 0x30(%rsp),%r11 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 0xffffffff82df7000 end+0x1f7000 rsi 0xffff80002168f268 rbp 0 rbx 0 rdx 0 rcx 0xfffffd806a920878 rax 0x23 r8 0 r9 0 r10 0xb31c340cb9607e01 r11 0x192e3091210ca39f r12 0xffff80002168f268 r13 0xffff80002cdc2000 r14 0xffff80002168e008 r15 0xffff80002168f268 rip 0xffffffff822fc1e7 restore_saved+0x35 cs 0x8 rflags 0x10046 __ALIGN_SIZE+0xf046 rsp 0 ss 0x10 restore_saved+0x35: xorq 0x30(%rsp),%r11 ddb> show proc PROC (syz-executor.0) pid=160866 stat=onproc flags process=0 proc=0 pri=79, usrpri=79, nice=20 forw=0xffffffffffffffff, list=0xffff80002168f7a8,0xffff80002168ea98 process=0xffff80002167e7f8 user=0xffff80002cdc2000, vmspace=0xfffffd806ef97ee8 estcpu=29, cpticks=1, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 44664 11359 56187 0 2 0 syz-executor.2 44664 492362 56187 0 3 0x4000080 fsleep syz-executor.2 3755 418213 58433 0 2 0 syz-executor.6 3755 482378 58433 0 3 0x4000080 fsleep syz-executor.6 12198 228931 30815 0 2 0 syz-executor.4 12198 257821 30815 0 3 0x4000080 fsleep syz-executor.4 12198 521237 30815 0 3 0x4000080 fsleep syz-executor.4 39861 496749 80352 0 2 0 syz-executor.7 39861 503901 80352 0 3 0x4000080 fsleep syz-executor.7 * 9076 160866 28245 0 7 0 syz-executor.0 9076 247821 28245 0 3 0x4000080 fsleep syz-executor.0 38608 227730 41818 0 2 0 syz-executor.1 38608 54459 41818 0 3 0x4000080 fsleep syz-executor.1 38608 361565 41818 0 3 0x4000080 fsleep syz-executor.1 16533 347293 68755 0 2 0 syz-executor.5 16533 191352 68755 0 3 0x4000080 fsleep syz-executor.5 49535 82705 64590 0 2 0 syz-executor.3 49535 405110 64590 0 3 0x4000080 fsleep syz-executor.3 45424 13799 1 0 3 0x100083 ttyin getty 89467 90372 0 0 3 0x14200 bored sosplice 58433 305061 24230 0 3 0x82 nanoslp syz-executor.6 80352 176232 24230 0 3 0x82 nanoslp syz-executor.7 30815 293559 24230 0 3 0x82 nanoslp syz-executor.4 64590 191264 24230 0 3 0x82 nanoslp syz-executor.3 28245 30750 24230 0 3 0x82 nanoslp syz-executor.0 68755 374844 24230 0 3 0x82 nanoslp syz-executor.5 41818 94417 24230 0 3 0x82 nanoslp syz-executor.1 56187 206873 24230 0 3 0x82 nanoslp syz-executor.2 24230 178482 88516 0 3 0x82 thrsleep syz-fuzzer 24230 183458 88516 0 3 0x4000082 thrsleep syz-fuzzer 24230 109077 88516 0 3 0x4000082 thrsleep syz-fuzzer 24230 258289 88516 0 3 0x4000082 kqread syz-fuzzer 24230 24422 88516 0 3 0x4000082 thrsleep syz-fuzzer 24230 373197 88516 0 3 0x4000082 thrsleep syz-fuzzer 24230 89675 88516 0 3 0x4000082 thrsleep syz-fuzzer 24230 380881 88516 0 3 0x4000082 thrsleep syz-fuzzer 88516 494106 90255 0 3 0x10008a sigsusp ksh 90255 371819 53753 0 3 0x9a kqread sshd 53753 399327 1 0 3 0x88 kqread sshd 41340 300959 96972 73 3 0x100090 kqread syslogd 96972 196685 1 0 3 0x100082 netio syslogd 58248 232152 1 0 3 0x100080 kqread resolvd 17566 373712 85284 77 3 0x100092 kqread dhcpleased 60016 343764 85284 77 3 0x100092 kqread dhcpleased 85284 24926 1 0 3 0x80 kqread dhcpleased 95766 461981 0 0 3 0x14200 bored smr 41371 53800 0 0 2 0x14200 zerothread 76177 289255 0 0 3 0x14200 aiodoned aiodoned 55912 406444 0 0 3 0x14200 syncer update 94719 452094 0 0 3 0x14200 cleaner cleaner 69418 246782 0 0 3 0x14200 reaper reaper 26733 214775 0 0 3 0x14200 pgdaemon pagedaemon 70199 88992 0 0 3 0x14200 bored viomb 28942 380324 0 0 3 0x40014200 acpi0 acpi0 22321 380986 0 0 3 0x14200 bored softnet 22343 524094 0 0 3 0x14200 bored systqmp 50963 174391 0 0 3 0x14200 bored systq 26388 506938 0 0 3 0x40014200 bored softclock 59698 83861 0 0 3 0x40014200 idle0 1 298218 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 10186 6470K 6791K 78643K 15829 0 pcb 13 13K 14K 78643K 112 0 rtable 226 7K 10K 78643K 686 0 ifaddr 86 17K 18K 78643K 147 0 sysctl 1 1K 1K 78643K 1 0 counters 27 17K 17K 78643K 32 0 ioctlops 0 0K 4K 78643K 3107 0 iov 0 0K 16K 78643K 565 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1335 83K 83K 78643K 2238 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 14 0 VM map 2 0K 0K 78643K 2 0 sem 12 0K 1K 78643K 1086 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 18 65K 78K 78643K 3947 0 sigio 0 0K 0K 78643K 10 0 proc 56 54K 79K 78643K 494 0 subproc 104 6K 6K 78643K 104 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 67 0 in_multi 88 5K 6K 78643K 162 0 ether_multi 1 0K 0K 78643K 16 0 mrt 1 0K 0K 78643K 10 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 157 705K 705K 78643K 157 0 exec 0 0K 2K 78643K 791 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 346 99K 130K 78643K 49041 0 UVM aobj 11 2K 2K 78643K 11 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 1K 78643K 761 0 NDP 12 0K 2K 78643K 36 0 temp 128 4691K 4767K 78643K 63431 0 kqueue 12 18K 24K 78643K 63 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 53 0 50 1 0 1 1 0 8 0 rtentry 112 116 0 15 4 0 4 4 0 8 0 unpcb 136 1206 0 1193 14 13 1 8 0 8 0 syncache 296 7 0 7 2 2 0 1 0 8 0 tcpqe 32 24 0 24 1 1 0 1 0 8 0 tcpcb 736 1583 0 1579 49 42 7 13 0 8 6 arp 88 18 0 2 1 0 1 1 0 8 0 inpcb 304 2420 0 2413 34 28 6 9 0 8 5 nd6 48 29 0 6 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 pfstscr 40 5 0 5 2 2 0 1 0 8 0 pfrktable 1344 28 0 27 1 0 1 1 0 8 0 pftag 88 3 0 3 1 1 0 1 0 8 0 pfstkey 112 8 0 8 2 2 0 1 0 8 0 pfstate 320 4 0 4 2 2 0 1 0 8 0 pfrule 1360 19 0 7 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 461 0 44 29 2 27 29 0 8 0 art_table 32 462 0 44 4 0 4 4 0 8 0 art_node 16 115 0 23 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 0 1 0 1 1 0 8 0 semupl 112 4 0 4 1 1 0 1 0 8 0 semapl 112 1084 0 1074 1 0 1 1 0 8 0 shmpl 112 8 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 5727 0 4294 90 0 90 90 0 8 0 ffsino 240 5727 0 4294 85 0 85 85 0 8 0 nchpl 144 10647 0 8985 62 0 62 62 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 224 5926 0 0 349 0 349 349 0 8 0 namei 1024 37303 0 37303 2 1 1 2 0 8 1 vcpupl 1984 4 0 3 1 0 1 1 0 8 0 vmpool 528 4 0 3 1 0 1 1 0 8 0 pfiaddrpl 120 6 0 6 1 1 0 1 0 8 0 scxspl 216 31211 0 31211 11 10 1 8 0 8 1 plimitpl 152 659 0 644 1 0 1 1 0 8 0 sigapl 424 4224 0 4181 6 1 5 6 0 8 0 futexpl 64 37296 0 37286 1 0 1 1 0 8 0 knotepl 120 38522 0 38442 4 0 4 4 0 8 0 kqueuepl 184 299 0 291 3 2 1 2 0 8 0 pipepl 304 1532 0 1504 5 2 3 5 0 8 0 fdescpl 432 4210 0 4181 4 0 4 4 0 8 0 filepl 120 25013 0 24771 42 32 10 14 0 8 2 lockfpl 104 823 0 821 1 0 1 1 0 8 0 lockfspl 48 391 0 389 1 0 1 1 0 8 0 sessionpl 144 24 0 8 1 0 1 1 0 8 0 pgrppl 48 28 0 12 1 0 1 1 0 8 0 ucredpl 96 2398 0 2388 1 0 1 1 0 8 0 zombiepl 144 4181 0 4181 1 0 1 1 0 8 1 processpl 1000 4224 0 4181 6 0 6 6 0 8 0 procpl 672 9565 0 9505 9 3 6 7 0 8 0 sosppl 168 7 0 7 1 1 0 1 0 8 0 sockpl 448 3679 0 3656 92 82 10 25 0 8 7 mcl64k 65536 151 0 151 6 5 1 1 0 8 1 mcl16k 16384 18 0 18 7 7 0 1 0 8 0 mcl12k 12288 101 0 101 7 6 1 1 0 8 1 mcl9k 9216 31 0 31 7 7 0 1 0 8 0 mcl8k 8192 92 0 92 11 10 1 1 0 8 1 mcl4k 4096 291 0 291 4 3 1 1 0 8 1 mcl2k2 2112 12 0 12 6 6 0 1 0 8 0 mcl2k 2048 79071 0 79018 12 4 8 11 0 8 0 mtagpl 96 218 0 24 6 1 5 5 0 8 0 mbufpl 256 145058 0 144637 32 3 29 30 0 8 0 bufpl 288 8998 0 2590 458 0 458 458 0 8 0 anonpl 24 1058294 0 1039450 142 27 115 133 0 188 1 amapchunkpl 152 116106 0 115264 53 20 33 42 0 158 0 amappl16 200 8802 0 8208 44 12 32 44 0 8 0 amappl15 192 89 0 84 1 0 1 1 0 8 0 amappl14 184 525 0 519 2 1 1 1 0 8 0 amappl13 176 658 0 654 1 0 1 1 0 8 0 amappl12 168 475 0 468 1 0 1 1 0 8 0 amappl11 160 555 0 542 1 0 1 1 0 8 0 amappl10 152 332 0 327 1 0 1 1 0 8 0 amappl9 144 969 0 964 1 0 1 1 0 8 0 amappl8 136 1550 0 1487 3 0 3 3 0 8 0 amappl7 128 1064 0 1050 1 0 1 1 0 8 0 amappl6 120 705 0 685 2 1 1 2 0 8 0 amappl5 112 3467 0 3450 1 0 1 1 0 8 0 amappl4 104 1286 0 1260 2 1 1 2 0 8 0 amappl3 96 1333 0 1317 1 0 1 1 0 8 0 amappl2 88 1617 0 1567 3 1 2 3 0 8 0 amappl1 80 74653 0 74053 18 5 13 18 0 8 0 amappl 88 48585 0 48327 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 10 0 0 1 0 1 1 0 8 0 uaddrrnd 24 4214 0 4184 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 4214 0 4184 1 0 1 1 0 8 0 vmmpekpl 168 29763 0 29718 3 0 3 3 0 8 0 vmmpepl 168 364694 0 362052 143 27 116 126 0 357 1 vmsppl 272 4213 0 4184 4 2 2 3 0 8 0 rwobjpl 24 89730 0 82213 46 0 46 46 0 8 0 pdppl 4096 8434 0 8369 182 117 65 72 0 8 0 pvpl 32 1921976 0 1898676 289 100 189 244 0 265 1 pmappl 216 4213 0 4184 2 0 2 2 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 1071 0 280 23 0 23 23 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