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(ffff80002a58d710) at softclock_thread+0xc3 sys/kern/kern_timeout.c:814 end trace frame: 0x0, count: -2 ddb> show registers rdi 0xdeadbeefdeadbeef rsi 0 rbp 0xffff80002a599070 rbx 0 rdx 0 rcx 0xffffffff82c6aff0 cpu_info_full_primary+0x1ff0 rax 0x9 r8 0xffffffffffffffff r9 0 r10 0xbba538d4cedf4b6c r11 0xdeadbeefdeadbeef r12 0xdeadbeefdeadbeef r13 0xffffffff82c6aff0 cpu_info_full_primary+0x1ff0 r14 0xffff8000ffffd920 r15 0xdeadbeefdeadbeef rip 0xffffffff81899304 __x86_indirect_thunk_r11+0x14 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a599030 ss 0x10 __x86_indirect_thunk_r11+0x14: ret ddb> show proc PROC (softclock) tid=101976 pid=22817 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=0xffff80002a58d9a0,0xffff80002a58d200 process=0xffff8000ffffd920 user=0xffff80002a594000, vmspace=0xffffffff82e010a0 estcpu=1, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 61218 57267 64018 0 2 0x8000480 syz-executor.7 61218 201284 64018 0 3 0xc000080 kqsel syz-executor.7 61218 52098 64018 0 3 0xc000080 netcon syz-executor.7 33429 192361 56761 0 3 0x8000080 nanoslp syz-executor.4 33429 39022 56761 0 3 0xc000080 rest syz-executor.4 33429 223063 56761 0 3 0xc000080 fsleep syz-executor.4 97447 48766 74352 0 3 0x8000082 piperd syz-executor.6 56761 3320 74352 0 3 0x8000082 nanoslp syz-executor.4 57371 120897 74352 0 3 0x8000082 piperd syz-executor.3 64231 26460 74352 0 3 0x8000082 piperd syz-executor.1 19447 321099 74352 0 3 0x8000082 piperd syz-executor.2 64018 315201 74352 0 3 0x8000082 nanoslp syz-executor.7 71474 356924 74352 0 3 0x8000082 piperd syz-executor.5 47181 317839 74352 0 3 0x8000082 piperd syz-executor.0 6749 37934 0 0 3 0x14280 nfsidl nfsio 54845 105518 0 0 3 0x14280 nfsidl nfsio 15445 366449 0 0 3 0x14280 nfsidl nfsio 23954 61414 0 0 3 0x14280 nfsidl nfsio 8846 76378 0 0 3 0x14280 nfsidl nfsio 92559 510803 0 0 3 0x14280 nfsidl nfsio 50962 478865 0 0 3 0x14280 nfsidl nfsio 89720 92351 0 0 3 0x14280 nfsidl nfsio 73855 158437 0 0 3 0x14280 nfsidl nfsio 83457 360295 0 0 3 0x14280 nfsidl nfsio 19507 234814 0 0 3 0x14280 nfsidl nfsio 49726 286181 0 0 3 0x14280 nfsidl nfsio 4445 157772 0 0 3 0x14280 nfsidl nfsio 88996 247703 0 0 3 0x14280 nfsidl nfsio 90642 469245 0 0 3 0x14280 nfsidl nfsio 19078 144339 0 0 3 0x14280 nfsidl nfsio 93953 69260 0 0 3 0x14280 nfsidl nfsio 18715 162872 0 0 3 0x14280 nfsidl nfsio 23237 390068 0 0 3 0x14280 nfsidl nfsio 1403 424526 0 0 3 0x14280 nfsidl nfsio 95433 137753 1 0 3 0x18100083 ttyin getty 60590 204957 0 0 3 0x14200 bored sosplice 74352 233097 40699 0 3 0x1a000082 thrsleep syz-fuzzer 74352 316026 40699 0 3 0x1e000082 thrsleep syz-fuzzer 74352 64140 40699 0 3 0x1e000082 wait syz-fuzzer 74352 390432 40699 0 3 0x1e000082 wait syz-fuzzer 74352 426472 40699 0 3 0x1e000082 wait syz-fuzzer 74352 108973 40699 0 3 0x1e000082 wait syz-fuzzer 74352 275006 40699 0 3 0x1e000082 thrsleep syz-fuzzer 74352 288372 40699 0 3 0x1e000082 wait syz-fuzzer 74352 29083 40699 0 3 0x1e000082 wait syz-fuzzer 74352 385219 40699 0 3 0x1e000082 wait syz-fuzzer 74352 302468 40699 0 3 0x1e000082 thrsleep syz-fuzzer 74352 459889 40699 0 3 0x1e000082 kqread syz-fuzzer 74352 323273 40699 0 3 0x1e000082 wait syz-fuzzer 74352 401675 40699 0 3 0x1e000082 thrsleep syz-fuzzer 40699 76346 12828 0 3 0x810008a sigsusp ksh 12828 28301 31572 0 3 0x1800009a kqread sshd 31572 21512 1 0 3 0x18000088 kqread sshd 6132 489076 40903 73 3 0x19100090 kqread syslogd 40903 240727 1 0 3 0x18100082 sbwait syslogd 64208 243300 1 0 3 0x18100080 kqread resolvd 37359 388825 9250 77 3 0x18100092 kqread dhcpleased 20940 293338 9250 77 3 0x18100092 kqread dhcpleased 9250 471181 1 0 3 0x18000080 kqread dhcpleased 11781 33260 0 0 3 0x14200 bored smr 79167 224808 0 0 3 0x14200 pgzero zerothread 79716 234866 0 0 3 0x14200 aiodoned aiodoned 60483 295117 0 0 3 0x14200 syncer update 90672 155391 0 0 3 0x14200 cleaner cleaner 20773 434073 0 0 3 0x14200 reaper reaper 36729 204882 0 0 3 0x14200 pgdaemon pagedaemon 68599 394696 0 0 3 0x14200 bored viomb 35907 442607 0 0 3 0x40014200 acpi0 acpi0 29586 392915 0 0 3 0x14200 bored softnet3 56996 376600 0 0 3 0x14200 bored softnet2 51711 209015 0 0 3 0x14200 bored softnet1 7709 247220 0 0 3 0x14200 bored softnet0 25205 157874 0 0 3 0x14200 bored systqmp 94160 133726 0 0 3 0x14200 bored systq *22817 101976 0 0 7 0x40014200 softclock 9989 290546 0 0 3 0x40014200 idle0 1 429235 0 0 3 0x8080082 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 10182 6422K 7189K 166960K 14705 0 pcb 17 14K 16K 166960K 570 0 rtable 168 10K 12K 166960K 2985 0 pf 37 10K 11K 166960K 240 0 ifaddr 41 11K 12K 166960K 385 0 ifgroup 66 2K 3K 166960K 443 0 sysctl 4 1K 1K 166960K 5 0 counters 34 18K 18K 166960K 128 0 ioctlops 0 0K 2K 166960K 297 0 iov 0 0K 22K 166960K 181 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1514 95K 96K 166960K 4253 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 68K 76K 166960K 70 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 245 0 dirhash 12 2K 3K 166960K 63 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 12 41K 105K 166960K 3568 0 sigio 0 0K 0K 166960K 106 0 proc 58 59K 124K 166960K 2707 0 subproc 104 6K 8K 166960K 1080 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 386 0 in_multi 83 5K 7K 166960K 1022 0 ether_multi 1 0K 0K 166960K 31 0 mrt 1 0K 0K 166960K 12 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 1668 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 245 108K 128K 166960K 29859 0 UVM aobj 122 8K 8K 166960K 148 0 pinsyscall 32 64K 102K 166960K 6705 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 216 0 NDP 15 0K 2K 166960K 275 0 temp 82 6812K 6940K 166960K 133318 0 kqueue 13 20K 26K 166960K 367 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 120 455 0 451 1 0 1 1 0 8 0 rtentry 112 1054 0 986 4 0 4 4 0 8 1 unpcb 144 3317 0 3303 6 0 6 6 0 8 5 syncache 336 6 0 6 1 0 1 1 0 8 1 sackhl 24 1 3 1 1 0 1 1 0 8 1 tcpqe 32 4 0 4 1 0 1 1 0 8 1 tcpcb 808 1454 0 1448 8 0 8 8 0 8 7 arp 88 200 0 193 1 0 1 1 0 8 0 ipq 40 7 0 4 1 0 1 1 0 8 0 ipqe 40 94 0 91 1 0 1 1 0 8 0 inpcb 352 4110 0 4099 10 1 9 10 0 8 7 nd6 104 266 0 245 1 0 1 1 0 8 0 pkpcb 40 19 0 19 1 0 1 1 0 8 1 kcovpl 48 83 0 75 1 0 1 1 0 8 0 ppxss 1072 8 0 8 1 0 1 1 0 8 1 rttmr 136 3 0 3 1 0 1 1 0 8 1 pool(rttmr): free list modified: page 0xfffffd805e9e4000; item ordinal 0; addr 0xfffffd805e9e4e58 (p 0xfffffd805e9e4000); offset 0x10=0xffffffff art_heap8 4096 2 0 1 2 0 2 2 0 8 1 art_heap4 256 3998 0 3622 53 25 28 30 0 8 0 art_table 32 4000 0 3623 4 0 4 4 0 8 0 art_node 16 1052 0 995 1 0 1 1 0 8 0 sysvmsgpl 40 10 0 8 1 0 1 1 0 8 0 semupl 112 4 0 4 1 0 1 1 0 8 1 semapl 112 240 0 230 1 0 1 1 0 8 0 shmpl 112 145 0 26 4 0 4 4 0 8 0 dirhash 1024 51 0 34 3 0 3 3 0 8 0 dino2pl 256 5979 0 4459 96 0 96 96 0 8 0 ffsino 240 5979 0 4459 91 0 91 91 0 8 0 nchpl 144 10409 0 8684 66 0 66 66 0 8 1 uvmvnodes 80 8204 0 0 168 0 168 168 0 8 0 vnodes 216 8204 0 0 456 0 456 456 0 8 0 namei 1024 45362 0 45362 3 0 3 3 0 8 3 vcpupl 3904 5 0 0 1 0 1 1 0 8 0 vmpool 664 19 0 14 1 0 1 1 0 8 0 kstatmem 264 218 0 188 3 0 3 3 0 8 0 scsiplug 72 1 0 1 1 0 1 1 0 8 1 scxspl 216 76378 0 76378 8 0 8 8 1 8 8 plimitpl 152 637 0 622 1 0 1 1 0 8 0 sigapl 424 3742 0 3682 9 0 9 9 0 8 0 futexpl 64 50077 0 50076 1 0 1 1 0 8 0 knotepl 120 12484 0 12395 11 0 11 11 0 8 7 kqueuepl 184 1028 0 1018 4 0 4 4 0 8 3 pipepl 288 963 0 935 7 0 7 7 0 8 4 fdescpl 432 3702 0 3679 5 0 5 5 0 8 0 filepl 120 26883 0 26627 15 0 15 15 0 8 6 lockfpl 104 1247 0 1244 2 0 2 2 0 8 1 lockfspl 48 435 0 432 1 0 1 1 0 8 0 sessionpl 144 99 0 83 1 0 1 1 0 8 0 pgrppl 48 139 0 123 1 0 1 1 0 8 0 ucredpl 104 3861 0 3851 1 0 1 1 0 8 0 zombiepl 144 3682 0 3682 1 0 1 1 0 8 1 processpl 1072 3742 0 3682 6 0 6 6 0 8 0 procpl 656 6976 0 6899 9 0 9 9 0 8 1 sosppl 168 22 0 22 1 0 1 1 0 8 1 sockpl 504 7936 0 7907 77 64 13 23 0 8 8 mcl64k 65536 12 0 12 1 0 1 1 0 8 1 mcl16k 16384 1 0 1 1 0 1 1 0 8 1 mcl12k 12288 6 0 6 1 0 1 1 0 8 1 mcl9k 9216 1 0 1 1 0 1 1 0 8 1 mcl8k 8192 87 0 87 1 0 1 1 0 8 1 mcl4k 4096 16 0 16 1 0 1 1 0 8 1 mcl2k2 2112 1 0 1 1 0 1 1 0 8 1 mcl2k 2048 39911 0 39811 42 21 21 35 0 8 7 mtagpl 96 78 0 78 1 0 1 1 0 8 1 mbufpl 256 106599 0 106370 44 26 18 28 0 8 1 bufpl 280 13588 0 4988 615 0 615 615 0 8 0 anonpl 24 535787 0 529699 72 0 72 72 0 188 17 amapchunkpl 152 98042 0 97495 44 0 44 44 0 158 17 amappl16 200 10842 0 10697 35 18 17 21 0 8 8 amappl15 192 18 0 18 1 0 1 1 0 8 1 amappl14 184 381 0 370 2 0 2 2 0 8 1 amappl13 176 16 0 16 1 0 1 1 0 8 1 amappl12 168 5439 0 5416 2 0 2 2 0 8 0 amappl11 160 49 0 39 1 0 1 1 0 8 0 amappl10 152 133 0 122 1 0 1 1 0 8 0 amappl9 144 136 0 136 1 0 1 1 0 8 1 amappl8 136 206 0 179 2 0 2 2 0 8 0 amappl7 128 76 0 60 1 0 1 1 0 8 0 amappl6 120 1329 0 1312 2 0 2 2 0 8 0 amappl5 112 462 0 450 1 0 1 1 0 8 0 amappl4 104 1026 0 994 2 0 2 2 0 8 1 amappl3 96 18372 0 18314 3 0 3 3 0 8 0 amappl2 88 4310 0 4243 4 0 4 4 0 8 2 amappl1 80 24956 0 24473 22 3 19 22 0 8 6 amappl 88 28632 0 28476 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 72 147 0 26 3 0 3 3 0 8 0 uaddrrnd 24 3721 0 3693 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3721 0 3693 1 0 1 1 0 8 0 vmmpekpl 168 31059 0 30981 4 0 4 4 0 8 0 vmmpepl 168 255430 0 253784 115 0 115 115 0 357 27 vmsppl 344 3720 0 3693 4 0 4 4 0 8 0 rwobjpl 24 70937 0 61568 57 0 57 57 0 8 0 pdppl 4096 7448 0 7391 323 254 69 88 0 8 12 pvpl 32 1771247 0 1759283 398 44 354 398 0 265 234 pmappl 216 3720 0 3693 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 757 0 390 12 0 12 12 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace __x86_indirect_thunk_r11() at __x86_indirect_thunk_r11+0x14 softclock_thread(ffff80002a58d710) 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(ffff80002a58d710) at softclock_thread+0xc3 sys/kern/kern_timeout.c:814 end trace frame: 0x0, count: -2