kernel: 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 0xffff800035c6cb98 rbp 0 rbx 0x756e6547 rdx 0x49656e69 rcx 0x6c65746e rax 0x100000001 r8 0 r9 0x10000 __ALIGN_SIZE+0xf000 r10 0 r11 0 r12 0 r13 0 r14 0 r15 0 rip 0xffffffff8142f92b done_flush+0x38 cs 0x8 rflags 0x10046 __ALIGN_SIZE+0xf046 rsp 0xffff80002a33bbc8 ss 0x10 done_flush+0x38: movl %eax,%dr6 ddb{0}> show proc PROC (syz-executor) tid=353262 pid=16643 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=0xffff800034bdbcc8,0xffff800034bdb278 process=0xffff80002a39c4e8 user=0xffff80002a337000, vmspace=0xfffffd806f5b03d8 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 80997 311974 53114 0 2 0 syz-executor 38612 177718 73586 0 2 0 syz-executor 80295 21730 18621 0 2 0 syz-executor 80295 43253 18621 0 3 0x4000080 fsleep syz-executor 16643 458123 12467 0 2 0 syz-executor *16643 353262 12467 0 7 0x4000000 syz-executor 42847 329212 23129 0 2 0 syz-executor 42847 104263 23129 0 2 0x4000000 syz-executor 42847 218690 23129 0 2 0x4000000 syz-executor 52367 148774 71939 0 2 0 syz-executor 52367 64036 71939 0 2 0x4000000 syz-executor 52367 176450 71939 0 3 0x4000080 fsleep syz-executor 59876 89274 22215 0 2 0 syz-executor 59876 463350 22215 0 2 0x4000001 syz-executor 59876 439534 22215 0 3 0x4000080 fsleep syz-executor 59876 266876 22215 0 3 0x4000080 fsleep syz-executor 59876 337824 22215 0 3 0x4000080 fsleep syz-executor 73732 313610 2724 0 3 0x3000 suspend syz-executor 73732 391757 2724 0 2 0x4081000 syz-executor 73732 46567 2724 0 3 0x4081000 inode syz-executor 22215 249715 64177 0 3 0x82 nanoslp syz-executor 53114 486598 64177 0 3 0x82 nanoslp syz-executor 18621 468961 64177 0 3 0x82 nanoslp syz-executor 2724 366487 64177 0 3 0x82 wait syz-executor 73586 123825 64177 0 3 0x82 nanoslp syz-executor 12467 17704 64177 0 3 0x82 nanoslp syz-executor 91825 453896 1 0 3 0x100083 ttyin getty 23129 181424 64177 0 3 0x82 nanoslp syz-executor 71939 114848 64177 0 3 0x82 nanoslp syz-executor 64177 298760 14391 0 3 0x82 kqread syz-executor 14391 327518 58864 0 3 0x10008a sigsusp ksh 58864 42207 6670 0 3 0x98 kqread sshd-session 6670 162332 53064 0 3 0x92 kqread sshd-session 53064 377095 1 0 3 0x88 kqread sshd 6766 351057 72180 74 3 0x1100092 bpf pflogd 72180 373641 1 0 3 0x80 sbwait pflogd 42997 319125 29351 73 3 0x1100090 kqread syslogd 29351 407783 1 0 3 0x100082 sbwait syslogd 7467 226551 1 0 3 0x100080 kqread resolvd 39896 341139 79299 77 3 0x100092 kqread dhcpleased 91455 355811 79299 77 3 0x100092 kqread dhcpleased 79299 136834 1 0 3 0x80 kqread dhcpleased 32974 304495 0 0 3 0x14200 bored smr 76631 8104 0 0 2 0x14200 zerothread 854 445803 0 0 3 0x14200 aiodoned aiodoned 43586 95947 0 0 3 0x14200 syncer update 52041 441633 0 0 3 0x14200 cleaner cleaner 77518 204690 0 0 3 0x14200 reaper reaper 2617 167182 0 0 3 0x14200 pgdaemon pagedaemon 17544 452677 0 0 3 0x14200 bored viomb 42386 178923 0 0 3 0x40014200 acpi0 acpi0 95799 262172 0 0 7 0x40014200 idle1 49185 357119 0 0 3 0x14200 bored softnet1 12790 227947 0 0 3 0x14200 bored softnet0 51594 283912 0 0 3 0x14200 bored systqmp 70204 219470 0 0 3 0x14200 bored systq 91885 106797 0 0 3 0x14200 tmoslp softclockmp 36152 293799 0 0 3 0x40014200 tmoslp softclock 89991 452359 0 0 3 0x40014200 idle0 1 385037 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks Process 80997 (syz-executor) thread 0xffff800034bdad38 (311974) Process 16643 (syz-executor) thread 0xffff800034bda570 (353262) Process 42847 (syz-executor) thread 0xffff800034bdba30 (329212) Process 73732 (syz-executor) thread 0xffff800032bb7cb8 (391757) Process 73732 (syz-executor) thread 0xffff800034bda808 (46567) ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11113 12223K 12438K 166960K 15347 0 pcb 19 18K 29K 166960K 830 0 rtable 233 15K 16K 166960K 1127 0 pf 37 18K 20K 166960K 304 0 ifaddr 37 7K 8K 166960K 217 0 ifgroup 54 2K 3K 166960K 369 0 sysctl 4 1K 9K 166960K 24 0 counters 68 36K 38K 166960K 374 0 ioctlops 0 0K 4K 166960K 2069 0 iov 0 0K 28K 166960K 131 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1466 92K 92K 166960K 3430 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 24 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 355 0 dirhash 12 2K 2K 166960K 45 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 232K 166960K 2574 0 sigio 0 0K 0K 166960K 39 0 proc 73 115K 164K 166960K 1090 0 subproc 72 4K 4K 166960K 180 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 343 0 in_multi 77 5K 7K 166960K 361 0 ether_multi 1 0K 0K 166960K 34 0 mrt 3 0K 0K 166960K 63 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 259 1155K 1155K 166960K 259 0 exec 0 0K 1K 166960K 1034 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 255 168K 186K 166960K 25418 0 UVM aobj 136 18K 18K 166960K 147 0 pinsyscall 43 86K 98K 166960K 4072 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 208 0 NDP 11 0K 2K 166960K 163 0 temp 114 9084K 9211K 166960K 135301 0 kqueue 13 20K 32K 166960K 460 0 SYN cache 2 8K 16K 166960K 3 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 120 273 0 270 1 0 1 1 0 8 0 rtentry 176 349 0 266 6 0 6 6 0 8 0 unpcb 144 1518 0 1498 11 7 4 4 0 8 3 syncache 336 12 0 12 6 6 0 1 0 8 0 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpqe 32 12 0 12 3 3 0 1 0 8 0 tcpcb 736 1126 0 1118 20 13 7 7 0 8 6 arp 136 47 0 33 1 0 1 1 0 8 0 inpcb 328 3350 0 3334 35 27 8 15 0 8 6 nd6 152 77 0 55 2 1 1 2 0 8 0 pkpcb 40 9 0 9 5 4 1 1 0 8 1 kcovpl 48 20 0 12 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 1 0 1 0 8 0 ppxss 1192 113 0 113 3 2 1 1 0 8 1 pppxif 1576 7 0 7 4 3 1 1 0 8 1 pfstscr 40 3 0 3 2 2 0 1 0 8 0 pffrag 232 21 0 11 1 0 1 1 0 482 0 pffrnode 88 18 0 8 1 0 1 1 0 8 0 pffrent 40 36 0 26 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 5 0 3 1 0 1 1 0 8 0 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pfstitem 24 158 0 79 1 0 1 1 0 8 0 pfstkey 128 164 0 85 3 0 3 3 0 8 0 pfstate 448 160 0 83 10 0 10 10 0 8 0 pfrule 1360 27 0 19 2 1 1 2 0 8 0 rttmr 136 4 0 4 2 1 1 1 0 8 1 art_heap8 4096 5 0 1 5 1 4 5 0 8 0 art_heap4 256 1458 0 1080 43 15 28 32 0 8 2 art_table 40 1463 0 1081 6 1 5 6 0 8 0 art_node 32 345 0 271 1 0 1 1 0 8 0 sysvmsgpl 40 15 0 8 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 351 0 341 1 0 1 1 0 8 0 shmpl 112 139 0 11 4 0 4 4 0 8 0 dirhash 1024 39 0 22 3 0 3 3 0 8 0 dino2pl 256 6161 0 4669 94 0 94 94 0 8 0 ffsino 296 6161 0 4669 116 0 116 116 0 8 0 nchpl 144 9551 0 7809 65 0 65 65 0 8 0 rtmask 32 23 0 23 5 4 1 1 0 8 1 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 34690 0 34689 5 4 1 2 0 8 0 percpumem 16 202 0 153 1 0 1 1 0 8 0 vcpupl 3968 5 0 0 1 0 1 1 0 8 0 vmpool 848 5 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 1 0 0 1 0 1 1 0 8 0 kstatmem 264 238 0 212 3 0 3 3 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 11 0 11 5 4 1 1 0 8 1 scxspl 216 53097 0 53097 14 13 1 7 1 8 1 plimitpl 152 807 0 789 1 0 1 1 0 8 0 sigapl 424 2871 0 2823 8 2 6 8 0 8 0 knotepl 120 566 0 0 17 0 17 17 0 8 0 kqueuepl 224 970 0 960 13 12 1 5 0 8 0 pipepl 344 422 0 395 9 6 3 9 0 8 0 fdescpl 528 2830 0 2798 3 0 3 3 0 8 0 filepl 160 19545 0 19317 40 25 15 21 0 8 2 lockfpl 104 1143 0 1139 2 1 1 2 0 8 0 lockfspl 48 443 0 439 1 0 1 1 0 8 0 sessionpl 144 44 0 35 1 0 1 1 0 8 0 pgrppl 48 137 0 120 1 0 1 1 0 8 0 ucredpl 104 2919 0 2905 1 0 1 1 0 8 0 zombiepl 144 4043 0 4042 1 0 1 1 0 8 0 processpl 1232 2871 0 2823 7 2 5 6 0 8 0 procpl 664 7038 0 6978 9 3 6 8 0 8 0 sosppl 176 9 0 9 3 3 0 1 0 8 0 sockpl 752 5295 0 5255 50 37 13 20 0 8 8 mcl64k 65536 7 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 130 0 0 17 0 17 17 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 36 0 0 4 0 4 4 0 8 0 mtagpl 96 19 0 0 1 0 1 1 0 8 0 mbufpl 256 1828 0 0 114 0 114 114 0 8 0 bufpl 280 20254 0 14124 439 0 439 439 0 8 0 anonpl 32 12534 0 0 101 0 101 101 0 246 0 amapchunkpl 152 86829 0 86241 46 16 30 35 0 158 3 amappl16 200 9495 0 9291 84 69 15 27 0 8 4 amappl15 192 33 0 33 1 1 0 1 0 8 0 amappl14 184 575 0 572 1 0 1 1 0 8 0 amappl13 176 161 0 149 1 0 1 1 0 8 0 amappl12 168 3163 0 3132 2 0 2 2 0 8 0 amappl11 160 17 0 17 1 1 0 1 0 8 0 amappl10 152 62 0 48 1 0 1 1 0 8 0 amappl9 144 275 0 275 1 1 0 1 0 8 0 amappl8 136 147 0 144 1 0 1 1 0 8 0 amappl7 128 188 0 174 1 0 1 1 0 8 0 amappl6 120 289 0 287 1 0 1 1 0 8 0 amappl5 112 112 0 101 1 0 1 1 0 8 0 amappl4 104 363 0 345 1 0 1 1 0 8 0 amappl3 96 17794 0 17673 4 0 4 4 0 8 0 amappl2 88 736 0 675 2 0 2 2 0 8 0 amappl1 80 23640 0 23031 18 2 16 16 0 8 0 amappl 88 24023 0 23841 5 0 5 5 0 92 0 uvmvnodes 80 179 0 0 4 0 4 4 0 8 0 dma65536 65536 2 0 2 2 2 0 1 0 8 0 dma32768 32768 1 0 1 1 1 0 1 0 8 0 dma16384 16384 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 8 0 8 3 3 0 1 0 8 0 dma128 128 255 0 255 3 3 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 8 0 8 2 1 1 1 0 8 1 dma16 16 19 0 18 1 0 1 1 0 8 0 aobjpl 72 146 0 11 3 0 3 3 0 8 0 uaddrrnd 24 2831 0 2799 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2831 0 2799 1 0 1 1 0 8 0 vmmpekpl 168 24094 0 24025 4 0 4 4 0 8 0 vmmpepl 168 188127 0 185960 146 40 106 110 0 357 9 vmsppl 488 2830 0 2799 5 0 5 5 0 8 0 rwobjpl 80 52324 0 50881 42 8 34 35 0 8 0 pdppl 4096 5679 0 5603 137 61 76 81 0 8 0 pvpl 32 19907 0 0 160 0 160 160 0 265 0 pmappl 256 2835 0 2799 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 476 0 110 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(ffff8000299bdff0) 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(ffff8000299bdff0) at sched_idle+0x391 sys/kern/kern_sched.c:191 end trace frame: 0x0, count: -5