ŠR,kŠŠR,kŠŠR,kŠŠR,kŠŠR,kŠŠR,kŠŠR,kŠŠR,kŠŠR,kŠŠR,kŠŠR,kŠŠR,kŠŠR,kŠŠR,kŠŠR,kŠŠR,kŠŠR,kŠŠR,kŠŠR,kŠŠR,kŠŠR,kŠŠR,kŠŠR,kŠŠR,kŠŠR,kŠŠR,kŠŠR,kŠŠR,kŠŠR,kŠŠR,kŠŠR,kŠŠR,kŠŠR,kŠkernel: protection fault trap, code=0 Stopped at done_flush+0x38: movl %eax,%dr6 ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic the kernel did not panic ddb{0}> trace end trace frame: 0x0, count: -1 ddb{0}> show registers rdi 0x6c14 __ALIGN_SIZE+0x5c14 rsi 0xffff8000fffe4b98 rbp 0 rbx 0x756e6547 rdx 0x49656e69 rcx 0x6c65746e rax 0x30656c69662f2e r8 0 r9 0x10000 __ALIGN_SIZE+0xf000 r10 0 r11 0 r12 0 r13 0 r14 0 r15 0 rip 0xffffffff811954bb done_flush+0x38 cs 0x8 rflags 0x10046 __ALIGN_SIZE+0xf046 rsp 0xffff80003c437518 ss 0x10 done_flush+0x38: movl %eax,%dr6 ddb{0}> show proc PROC (syz-executor) tid=383626 pid=9953 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a27aa78,0xffffffff838b93f0 process=0xffff8000ffff44d8 user=0xffff80003c432000, vmspace=0xfffffd806cafb018 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 9953 275196 88015 0 2 0 syz-executor * 9953 383626 88015 0 7 0x4000000 syz-executor 50738 424567 20906 0 2 0 syz-executor 50738 395615 20906 0 3 0x4000080 semwait syz-executor 85835 206064 70851 0 2 0 syz-executor 85835 291844 70851 0 3 0x4000080 ttyin syz-executor 85835 10592 70851 0 3 0x4000080 fsleep syz-executor 16060 393544 32529 0 2 0 syz-executor 16060 377360 32529 0 3 0x4000080 fsleep syz-executor 16060 193451 32529 0 3 0x4000080 fsleep syz-executor 26651 57980 4637 0 3 0x80 nanoslp syz-executor 26651 152889 4637 0 3 0x4000080 sbwait syz-executor 88015 377470 81003 0 3 0x82 nanoslp syz-executor 6118 51480 81003 0 3 0x82 wait syz-executor 76749 395729 81003 0 3 0x82 nanoslp syz-executor 20906 299274 81003 0 3 0x82 nanoslp syz-executor 7221 181220 0 0 3 0x14200 acct acct 70851 425985 81003 0 3 0x82 nanoslp syz-executor 6830 293641 14735 0 3 0x100082 sbwait ndp 36452 94639 31924 0 3 0x100082 sbwait ndp 14735 288159 1 0 3 0x10008a sigsusp sh 31924 319635 1 0 3 0x10008a sigsusp sh 32529 250641 81003 0 3 0x82 nanoslp syz-executor 18670 495218 81003 0 2 0x2 syz-executor 4637 208477 81003 0 3 0x82 nanoslp syz-executor 81003 335276 5396 0 3 0x82 kqread syz-executor 5396 477831 92228 0 3 0x10008a sigsusp ksh 92228 4466 64263 0 3 0x98 kqread sshd-session 64263 40978 12528 0 3 0x92 kqread sshd-session 77904 438159 1 0 3 0x100083 ttyopn getty 12528 406484 1 0 3 0x88 kqread sshd 54358 211247 44632 74 3 0x1100092 bpf pflogd 44632 297177 1 0 3 0x80 sbwait pflogd 99262 224960 31033 73 3 0x1100090 kqread syslogd 31033 372082 1 0 3 0x100082 sbwait syslogd 33351 501383 1 0 3 0x100080 kqread resolvd 13708 200141 71861 77 3 0x100092 kqread dhcpleased 2450 373355 71861 77 3 0x100092 kqread dhcpleased 71861 338333 1 0 3 0x80 kqread dhcpleased 13466 245498 0 0 3 0x14200 bored smr 94299 497624 0 0 2 0x14200 zerothread 92163 70533 0 0 3 0x14200 aiodoned aiodoned 74815 441101 0 0 3 0x14200 syncer update 15741 2153 0 0 3 0x14200 cleaner cleaner 45922 308391 0 0 3 0x14200 reaper reaper 66462 253932 0 0 3 0x14200 pgdaemon pagedaemon 84572 169988 0 0 3 0x14200 bored viomb 72285 110888 0 0 3 0x40014200 acpi0 acpi0 18438 365934 0 0 7 0x40014200 idle1 39531 338538 0 0 3 0x14200 bored softnet1 70380 319163 0 0 3 0x14200 bored softnet0 15847 303227 0 0 3 0x14200 smrbar systqmp 13146 273228 0 0 3 0x14200 bored systq 88517 509875 0 0 3 0x14200 tmoslp softclockmp 64763 185350 0 0 3 0x40014200 tmoslp softclock 35823 372158 0 0 3 0x40014200 idle0 1 507112 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks Process 9953 (syz-executor) thread 0xffff80002a27a018 (383626) Process 18670 (syz-executor) thread 0xffff8000ffffca68 (495218) Process 15847 (systqmp) thread 0xffff8000ffffe530 (303227) ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10234 11118K 11708K 166960K 12545 0 pcb 17 15K 17K 166960K 466 0 rtable 231 11K 11K 166960K 652 0 pf 37 18K 81K 166960K 196 0 ifaddr 42 8K 8K 166960K 131 0 ifgroup 59 2K 2K 166960K 222 0 sysctl 4 1K 9K 166960K 16 0 counters 72 37K 38K 166960K 240 0 ioctlops 0 0K 4K 166960K 1926 0 iov 0 0K 16K 166960K 204 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1385 87K 87K 166960K 2495 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 2K 6K 166960K 22 0 VM map 2 1K 1K 166960K 2 0 sem 26 137K 137K 166960K 44 0 dirhash 12 2K 2K 166960K 36 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 21 77K 122K 166960K 1546 0 sigio 1 0K 0K 166960K 40 0 proc 72 115K 163K 166960K 837 0 subproc 90 5K 5K 166960K 126 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 527 0 in_multi 92 7K 7K 166960K 292 0 ether_multi 1 0K 0K 166960K 16 0 mrt 1 0K 0K 166960K 10 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 217 970K 970K 166960K 217 0 exec 0 0K 1K 166960K 625 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 3 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 262 164K 179K 166960K 15419 0 UVM aobj 46 14K 14K 166960K 50 0 pinsyscall 48 96K 106K 166960K 2877 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 123 0 NDP 13 0K 2K 166960K 93 0 temp 76 8674K 8798K 166960K 80653 0 kqueue 15 24K 30K 166960K 293 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 26 0 0 1 0 1 1 0 8 0 rtpcb 120 263 0 258 4 3 1 3 0 8 0 rtentry 176 199 0 104 6 1 5 6 0 8 0 unpcb 144 1091 0 1070 6 4 2 4 0 8 1 syncache 336 9 0 9 4 3 1 1 0 8 1 tcpcb 736 378 0 372 7 3 4 4 0 8 3 arp 136 32 0 14 1 0 1 1 0 8 0 inpcb 328 1863 0 1854 15 10 5 8 0 8 3 nd6 152 45 0 20 1 0 1 1 0 8 0 pkpcb 40 6 0 6 3 3 0 1 0 8 0 kcovpl 48 14 0 4 1 0 1 1 0 8 0 ppxss 1192 61 0 61 1 0 1 1 0 8 1 pppxif 1504 9 0 9 4 4 0 1 0 8 0 pffrag 232 33 0 20 1 0 1 1 0 482 0 pffrnode 88 33 0 20 1 0 1 1 0 8 0 pffrent 40 59 0 46 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 1 0 1 1 1 0 1 0 8 0 pfanchor 1288 5 0 1 1 0 1 1 0 8 0 pfstitem 24 88 0 37 1 0 1 1 0 8 0 pfstkey 128 88 0 37 2 0 2 2 0 8 0 pfstate 448 87 0 37 6 0 6 6 0 8 0 pfrule 1344 24 0 19 2 1 1 2 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 256 880 0 459 32 3 29 29 0 8 1 art_table 40 882 0 459 5 0 5 5 0 8 0 art_node 32 198 0 109 1 0 1 1 0 8 0 sysvmsgpl 40 14 0 8 2 1 1 1 0 8 0 semapl 112 35 0 12 1 0 1 1 0 8 0 shmpl 112 39 0 2 2 0 2 2 0 8 0 dirhash 1024 33 0 16 3 0 3 3 0 8 0 dino2pl 256 4230 0 2712 96 0 96 96 0 8 0 ffsino 296 4230 0 2712 118 0 118 118 0 8 0 nchpl 144 6226 0 4511 64 0 64 64 0 8 0 rtmask 32 16 0 16 3 2 1 1 0 8 1 vnodes 216 4807 0 0 268 0 268 268 0 8 0 namei 1024 22098 0 22097 2 1 1 2 0 8 0 percpumem 16 135 0 84 1 0 1 1 0 8 0 vcpupl 3968 7 0 1 1 0 1 1 0 8 0 vmpool 840 8 0 2 1 0 1 1 0 8 0 kstatmem 264 130 0 102 4 1 3 3 0 8 1 scsiplug 72 10 0 10 4 3 1 1 0 8 1 scxspl 216 29164 0 29164 10 9 1 8 1 8 1 plimitpl 152 543 0 521 1 0 1 1 0 8 0 sigapl 424 1857 0 1805 7 0 7 7 0 8 0 knotepl 120 614 0 0 17 0 17 17 0 8 0 kqueuepl 224 602 0 591 6 4 2 5 0 8 1 pipepl 344 404 0 371 16 5 11 13 0 8 8 fdescpl 528 1835 0 1800 3 0 3 3 0 8 0 filepl 160 12017 0 11759 30 9 21 21 0 8 9 lockfpl 104 447 0 444 1 0 1 1 0 8 0 lockfspl 48 168 0 165 1 0 1 1 0 8 0 sessionpl 144 31 0 22 1 0 1 1 0 8 0 pgrppl 48 129 0 110 1 0 1 1 0 8 0 ucredpl 104 1908 0 1895 1 0 1 1 0 8 0 zombiepl 144 1807 0 1805 1 0 1 1 0 8 0 processpl 1232 1857 0 1805 5 0 5 5 0 8 0 procpl 664 4047 0 3988 6 0 6 6 0 8 0 sosppl 176 10 0 10 2 1 1 1 0 8 1 sockpl 752 3274 0 3239 26 18 8 17 0 8 3 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 6 0 0 1 0 1 1 0 8 0 mcl4k 4096 117 0 0 15 0 15 15 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 49 0 0 6 0 6 6 0 8 0 mtagpl 96 8 0 0 1 0 1 1 0 8 0 mbufpl 256 1893 0 0 116 0 116 116 0 8 0 bufpl 280 10413 0 4277 439 0 439 439 0 8 0 anonpl 32 11730 0 0 95 0 95 95 0 246 0 amapchunkpl 152 65547 0 65030 52 20 32 34 0 158 9 amappl16 200 6080 0 6043 47 35 12 24 0 8 5 amappl15 192 6 0 6 2 2 0 1 0 8 0 amappl14 184 7 0 7 1 1 0 1 0 8 0 amappl13 176 511 0 507 1 0 1 1 0 8 0 amappl12 168 2321 0 2273 3 0 3 3 0 8 0 amappl11 160 3 0 3 1 1 0 1 0 8 0 amappl10 152 48 0 34 1 0 1 1 0 8 0 amappl9 144 249 0 249 1 1 0 1 0 8 0 amappl8 136 33 0 30 1 0 1 1 0 8 0 amappl7 128 107 0 105 1 0 1 1 0 8 0 amappl6 120 360 0 342 1 0 1 1 0 8 0 amappl5 112 84 0 73 1 0 1 1 0 8 0 amappl4 104 484 0 450 1 0 1 1 0 8 0 amappl3 96 10395 0 10280 5 1 4 4 0 8 0 amappl2 88 617 0 552 2 0 2 2 0 8 0 amappl1 80 16287 0 15633 16 1 15 16 0 8 0 amappl 88 14314 0 14141 5 0 5 5 0 92 0 uvmvnodes 80 145 0 0 3 0 3 3 0 8 0 dma8192 8192 1 0 1 1 0 1 1 0 8 1 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma512 512 2 0 2 1 1 0 1 0 8 0 dma256 256 7 0 7 2 1 1 1 0 8 1 dma128 128 257 0 257 3 2 1 1 0 8 1 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 49 0 4 1 0 1 1 0 8 0 uaddrrnd 24 1835 0 1800 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1835 0 1800 1 0 1 1 0 8 0 vmmpekpl 168 15883 0 15832 3 0 3 3 0 8 0 vmmpepl 168 121602 0 119508 114 12 102 108 0 357 7 vmsppl 488 1834 0 1800 5 0 5 5 0 8 0 rwobjpl 80 33253 0 32034 35 6 29 33 0 8 1 pdppl 4096 3694 0 3610 117 29 88 89 0 8 4 pvpl 32 19033 0 0 154 0 154 154 0 265 0 pmappl 256 1842 0 1802 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 418 0 42 11 0 11 11 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace end trace frame: 0x0, count: -1 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff8000299ddff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 acpicpu_idle() at acpicpu_idle+0x457 sys/dev/acpi/acpicpu_x86.c:1224 sched_idle(ffff8000299ddff0) at sched_idle+0x391 sys/kern/kern_sched.c:191 end trace frame: 0x0, count: -5