kernel: protection fault trap, code=0 Stopped at __x86_indirect_thunk_r11+0x14: ret ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic the kernel did not panic ddb> trace __x86_indirect_thunk_r11() at __x86_indirect_thunk_r11+0x14 softclock_thread(ffff80002a58cd48) at softclock_thread+0xc3 sys/kern/kern_timeout.c:814 end trace frame: 0x0, count: -2 ddb> show registers rdi 0xdeadbeefdeadbeef rsi 0 rbp 0xffff80002a599090 rbx 0 rdx 0 rcx 0xffffffff82e063b0 timeout_proc rax 0x9 r8 0x24 r9 0 r10 0x87f61c0769867c4b r11 0xdeadbeefdeadbeef r12 0xdeadbeefdeadbeef r13 0xffffffff82c53ff0 cpu_info_full_primary+0x1ff0 r14 0xffff8000ffffe180 r15 0xdeadbeefdeadbeef rip 0xffffffff81231314 __x86_indirect_thunk_r11+0x14 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a599050 ss 0 __x86_indirect_thunk_r11+0x14: ret ddb> show proc PROC (softclock) tid=340079 pid=7034 tcnt=1 stat=onproc flags process=14000 proc=40000200 runpri=0, usrpri=51, slppri=0, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a58d540,0xffff80002a58cab0 process=0xffff8000ffffe180 user=0xffff80002a594000, vmspace=0xffffffff82dc54f0 estcpu=1, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 95497 61572 69392 0 2 0 syz-executor.0 28431 500475 74933 0 2 0x480 syz-executor.7 28431 147136 74933 0 3 0x4000080 fsleep syz-executor.7 80282 107510 35427 0 2 0x480 syz-executor.5 80282 215168 35427 0 3 0x4000080 fsleep syz-executor.5 48787 319548 0 0 3 0x14200 acct acct 62406 250163 73884 0 2 0x2 syz-executor.1 56960 385510 73884 0 2 0x482 syz-executor.2 51928 108181 73884 0 2 0x2 syz-executor.6 78111 448898 1 0 3 0x18100083 ttyin getty 35427 287396 73884 0 2 0x482 syz-executor.5 70130 499699 73884 0 2 0x482 syz-executor.4 74933 372912 73884 0 2 0x482 syz-executor.7 67990 344817 73884 0 2 0x482 syz-executor.3 69392 388896 73884 0 2 0x482 syz-executor.0 12708 434162 0 0 3 0x14280 nfsidl nfsio 8898 524036 0 0 3 0x14280 nfsidl nfsio 86548 111215 0 0 3 0x14280 nfsidl nfsio 14060 357191 0 0 3 0x14280 nfsidl nfsio 77936 469612 0 0 3 0x14280 nfsidl nfsio 69977 393672 0 0 3 0x14280 nfsidl nfsio 35987 321481 0 0 3 0x14280 nfsidl nfsio 66860 276114 0 0 3 0x14280 nfsidl nfsio 10503 498204 0 0 3 0x14280 nfsidl nfsio 84687 67256 0 0 3 0x14280 nfsidl nfsio 86424 57380 0 0 3 0x14280 nfsidl nfsio 18279 179210 0 0 3 0x14280 nfsidl nfsio 17652 165247 0 0 3 0x14280 nfsidl nfsio 52933 438535 0 0 3 0x14280 nfsidl nfsio 23765 350145 0 0 3 0x14280 nfsidl nfsio 63305 15316 0 0 3 0x14280 nfsidl nfsio 2113 23067 0 0 3 0x14280 nfsidl nfsio 88246 125565 0 0 3 0x14280 nfsidl nfsio 95350 266184 0 0 3 0x14280 nfsidl nfsio 71468 195967 0 0 3 0x14280 nfsidl nfsio 98095 273177 0 0 3 0x14200 bored sosplice 73884 288025 89952 0 3 0x1a000082 thrsleep syz-fuzzer 73884 91070 89952 0 2 0x1e000482 syz-fuzzer 73884 226659 89952 0 3 0x1e000082 thrsleep syz-fuzzer 73884 156215 89952 0 3 0x1e000082 wait syz-fuzzer 73884 59614 89952 0 3 0x1e000082 wait syz-fuzzer 73884 21851 89952 0 3 0x1e000082 kqread syz-fuzzer 73884 3292 89952 0 3 0x1e000082 wait syz-fuzzer 73884 286860 89952 0 3 0x1e000082 wait syz-fuzzer 73884 260299 89952 0 3 0x1e000082 wait syz-fuzzer 73884 40771 89952 0 3 0x1e000082 thrsleep syz-fuzzer 73884 311765 89952 0 3 0x1e000082 thrsleep syz-fuzzer 73884 202293 89952 0 3 0x1e000082 wait syz-fuzzer 73884 443439 89952 0 3 0x1e000082 wait syz-fuzzer 73884 6576 89952 0 3 0x1e000082 wait syz-fuzzer 89952 116214 31321 0 3 0x810008a sigsusp ksh 31321 468582 81952 0 3 0x1800009a kqread sshd 81952 465903 1 0 3 0x18000088 kqread sshd 24126 498059 96640 73 3 0x19100090 kqread syslogd 96640 353147 1 0 3 0x18100082 netio syslogd 78039 511672 1 0 3 0x18100080 kqread resolvd 28090 78654 18500 77 3 0x18100092 kqread dhcpleased 80460 75627 18500 77 3 0x18100092 kqread dhcpleased 18500 70130 1 0 3 0x18000080 kqread dhcpleased 85481 234697 0 0 2 0x14200 smr 83717 41819 0 0 2 0x14200 zerothread 51608 70918 0 0 3 0x14200 aiodoned aiodoned 68714 32539 0 0 3 0x14200 syncer update 66719 99459 0 0 3 0x14200 cleaner cleaner 26155 502580 0 0 3 0x14200 reaper reaper 25591 107816 0 0 3 0x14200 pgdaemon pagedaemon 39503 508041 0 0 3 0x14200 bored viomb 90419 67781 0 0 3 0x40014200 acpi0 acpi0 43093 119343 0 0 3 0x14200 bored softnet3 61594 194733 0 0 3 0x14200 bored softnet2 56656 296659 0 0 3 0x14200 bored softnet1 18130 427682 0 0 2 0x14200 softnet0 48981 400904 0 0 3 0x14200 bored systqmp 15185 124052 0 0 3 0x14200 bored systq * 7034 340079 0 0 7 0x40014200 softclock 11691 514655 0 0 3 0x40014200 idle0 1 65174 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 10188 6482K 7489K 166960K 26369 0 pcb 15 18K 20K 166960K 720 0 rtable 202 10K 11K 166960K 2514 0 pf 29 8K 9K 166960K 410 0 ifaddr 38 12K 13K 166960K 365 0 ifgroup 50 2K 2K 166960K 661 0 sysctl 3 1K 1K 166960K 3 0 counters 30 17K 17K 166960K 191 0 ioctlops 0 0K 2K 166960K 366 0 iov 0 0K 24K 166960K 1233 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1559 98K 98K 166960K 7389 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 128 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 1248 0 dirhash 87 15K 17K 166960K 3246 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 13 45K 77K 166960K 9529 0 sigio 0 0K 0K 166960K 471 0 proc 58 59K 92K 166960K 2226 0 subproc 104 6K 6K 166960K 715 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 785 0 in_multi 78 5K 7K 166960K 726 0 ether_multi 1 0K 0K 166960K 12 0 mrt 1 0K 0K 166960K 7 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 127 572K 572K 166960K 127 0 exec 0 0K 1K 166960K 2690 0 pfkey data 0 0K 0K 166960K 6 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 405 294K 309K 166960K 89035 0 UVM aobj 131 6K 6K 166960K 136 0 pinsyscall 22 44K 100K 166960K 2792 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 302 0 NDP 11 0K 2K 166960K 282 0 temp 74 6804K 7440K 166960K 76548 0 kqueue 12 18K 24K 166960K 623 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 120 685 0 682 4 0 4 4 0 8 3 rtentry 112 751 0 660 4 0 4 4 0 8 0 unpcb 144 8284 0 8271 9 0 9 9 0 8 8 syncache 336 321 0 321 1 0 1 1 0 8 1 tcpqe 32 66 729 66 1 0 1 1 0 8 1 tcpcb 808 4892 0 4851 26 12 14 18 0 8 6 arp 88 142 0 128 1 0 1 1 0 8 0 ipq 40 3 0 3 1 0 1 1 0 8 1 ipqe 40 74 0 74 1 0 1 1 0 8 1 inpcb 360 9257 0 9213 19 4 15 17 0 8 8 nd6 104 174 0 155 1 0 1 1 0 8 0 pkpcb 40 93 0 93 1 0 1 1 0 8 1 kcovpl 48 55 0 47 1 0 1 1 0 8 0 ppxss 1072 46 0 46 1 0 1 1 0 8 1 rttmr 136 2 0 2 1 0 1 1 0 8 1 pool(rttmr): free list modified: page 0xfffffd8068fc4000; item ordinal 0; addr 0xfffffd8068fc4e58 (p 0xfffffd8068fc4000); offset 0x10=0xffffffff art_heap8 4096 5 0 3 3 0 3 3 0 8 1 art_heap4 256 2794 0 2414 47 18 29 31 0 8 3 art_table 32 2799 0 2417 4 0 4 4 0 8 0 art_node 16 738 0 655 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 4 1 0 1 1 0 8 1 semupl 112 3 0 3 1 0 1 1 0 8 1 semapl 112 1246 0 1236 1 0 1 1 0 8 0 shmpl 112 133 0 5 4 0 4 4 0 8 0 dirhash 1024 1105 0 1063 6 0 6 6 0 8 0 dino2pl 256 14671 0 13101 99 0 99 99 0 8 0 ffsino 240 14671 0 13101 93 0 93 93 0 8 0 nchpl 144 27439 0 25707 66 0 66 66 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 99299 0 99299 2 0 2 2 0 8 2 vcpupl 2048 73 0 0 10 0 10 10 0 8 0 vmpool 664 82 0 9 7 0 7 7 0 8 0 kstatmem 264 344 0 322 2 0 2 2 0 8 0 scxspl 216 99478 0 99478 8 0 8 8 1 8 8 plimitpl 152 893 0 878 1 0 1 1 0 8 0 sigapl 424 10172 0 10107 8 0 8 8 0 8 0 futexpl 64 93112 0 93110 1 0 1 1 0 8 0 knotepl 120 112794 0 112712 18 7 11 18 0 8 8 kqueuepl 184 1956 0 1948 6 0 6 6 0 8 5 pipepl 288 2148 0 2120 11 1 10 11 0 8 7 fdescpl 432 9713 0 9689 4 0 4 4 0 8 0 filepl 120 62197 0 61959 23 8 15 19 0 8 6 lockfpl 104 2549 0 2547 2 0 2 2 0 8 1 lockfspl 48 942 0 940 1 0 1 1 0 8 0 sessionpl 144 72 0 56 1 0 1 1 0 8 0 pgrppl 48 201 0 185 1 0 1 1 0 8 0 ucredpl 104 7576 0 7566 1 0 1 1 0 8 0 zombiepl 144 10110 0 10107 1 0 1 1 0 8 0 processpl 1072 10172 0 10107 5 0 5 5 0 8 0 procpl 680 24139 0 24059 9 0 9 9 0 8 1 sosppl 168 50 0 46 1 0 1 1 0 8 0 sockpl 488 18351 0 18291 212 187 25 34 0 8 13 mcl64k 65536 393 0 393 1 0 1 1 0 8 1 mcl16k 16384 234 0 234 1 0 1 1 0 8 1 mcl12k 12288 360 0 360 1 0 1 1 0 8 1 mcl9k 9216 145 0 145 1 0 1 1 0 8 1 mcl8k 8192 829 0 829 2 0 2 2 0 8 2 mcl4k 4096 1001 0 1001 1 0 1 1 0 8 1 mcl2k2 2112 67 0 67 1 0 1 1 0 8 1 mcl2k 2048 94162 0 94112 32 18 14 29 0 8 6 mtagpl 96 1667 0 1403 10 2 8 10 0 8 1 mbufpl 256 261167 0 260773 642 609 33 413 0 8 4 bufpl 280 23306 0 16964 454 0 454 454 0 8 0 anonpl 24 1028523 0 1014504 113 0 113 113 0 188 13 amapchunkpl 152 314505 0 313730 50 0 50 50 0 158 11 amappl16 200 21231 0 20799 47 14 33 37 0 8 8 amappl15 192 101 0 100 1 0 1 1 0 8 0 amappl14 184 309 0 296 2 0 2 2 0 8 1 amappl13 176 38 0 37 1 0 1 1 0 8 0 amappl12 168 11044 0 11021 2 0 2 2 0 8 0 amappl11 160 49 0 39 1 0 1 1 0 8 0 amappl10 152 145 0 133 1 0 1 1 0 8 0 amappl9 144 224 0 223 1 0 1 1 0 8 0 amappl8 136 440 0 348 4 0 4 4 0 8 0 amappl7 128 76 0 64 1 0 1 1 0 8 0 amappl6 120 946 0 930 2 0 2 2 0 8 1 amappl5 112 546 0 534 1 0 1 1 0 8 0 amappl4 104 953 0 919 2 0 2 2 0 8 1 amappl3 96 55186 0 55126 3 0 3 3 0 8 0 amappl2 88 10614 0 10544 4 0 4 4 0 8 2 amappl1 80 45948 0 45462 22 2 20 22 0 8 8 amappl 88 87847 0 87626 7 0 7 7 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 72 135 0 5 3 0 3 3 0 8 0 uaddrrnd 24 9795 0 9698 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 9795 0 9698 1 0 1 1 0 8 0 vmmpekpl 168 72392 0 72312 4 0 4 4 0 8 0 vmmpepl 168 605179 0 603011 133 0 133 133 0 357 13 vmsppl 352 9794 0 9698 10 0 10 10 0 8 0 rwobjpl 24 146477 0 138978 48 0 48 48 0 8 1 pdppl 4096 19596 0 19469 545 410 135 139 0 8 8 pvpl 32 2794556 0 2775068 389 42 347 389 0 265 166 pmappl 216 9794 0 9698 6 0 6 6 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1534 0 1068 22 1 21 22 0 8 6 ddb> machine ddbcpu 0 No such command ddb> trace __x86_indirect_thunk_r11() at __x86_indirect_thunk_r11+0x14 softclock_thread(ffff80002a58cd48) at softclock_thread+0xc3 sys/kern/kern_timeout.c:814 end trace frame: 0x0, count: -2 ddb> machine ddbcpu 1 No such command ddb> trace __x86_indirect_thunk_r11() at __x86_indirect_thunk_r11+0x14 softclock_thread(ffff80002a58cd48) at softclock_thread+0xc3 sys/kern/kern_timeout.c:814 end trace frame: 0x0, count: -2