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(ffff80002a57cff0) at softclock_thread+0xc4 sys/kern/kern_timeout.c:814 end trace frame: 0x0, count: -2 ddb> show registers rdi 0xdeadbeefdeadbeef rsi 0 rbp 0xffff80002a589370 rbx 0 rdx 0 rcx 0xffffffff82e6ece0 timeout_proc rax 0x9 r8 0x1000 __ALIGN_SIZE r9 0x8000 __ALIGN_SIZE+0x7000 r10 0xa8d84952cb900007 r11 0xdeadbeefdeadbeef r12 0xdeadbeefdeadbeef r13 0xffffffff82d21ff0 cpu_info_full_primary+0x1ff0 r14 0xffff8000ffffc000 r15 0xdeadbeefdeadbeef rip 0xffffffff81849314 __x86_indirect_thunk_r11+0x14 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a589330 ss 0x10 __x86_indirect_thunk_r11+0x14: ret ddb> show proc PROC (softclock) tid=235808 pid=3020 tcnt=1 stat=onproc flags process=14000 proc=40000200 runpri=50, usrpri=55, slppri=0, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a57d7e8,0xffff80002a57cab0 process=0xffff8000ffffc000 user=0xffff80002a584000, vmspace=0xffffffff82d6e690 estcpu=5, cpticks=19, pctcpu=0.0, user=0, sys=19, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 42475 450207 1 0 2 0 syz-executor.4 42475 462168 1 0 3 0x4000080 fsleep syz-executor.4 70057 369322 46561 0 2 0 syz-executor.0 70057 98815 46561 0 3 0x4000080 fsleep syz-executor.0 70057 443262 46561 0 3 0x4000080 fsleep syz-executor.0 97349 402054 93990 0 2 0 syz-executor.2 97349 314057 93990 0 3 0x4000080 fsleep syz-executor.2 97349 234957 93990 0 3 0x4000080 fsleep syz-executor.2 62191 402648 88182 0 2 0x480 syz-executor.1 62191 98504 88182 0 2 0x4000000 syz-executor.1 62191 345161 88182 0 3 0x4000080 fsleep syz-executor.1 15677 456945 77564 0 2 0 syz-executor.6 15677 225441 77564 0 2 0x4000000 syz-executor.6 88182 356261 45512 0 2 0x482 syz-executor.1 71289 20593 45512 0 2 0x2 syz-executor.3 63747 271155 45512 0 2 0x482 syz-executor.5 46561 464204 45512 0 2 0x482 syz-executor.0 77564 275249 45512 0 2 0x482 syz-executor.6 93990 208271 45512 0 2 0x482 syz-executor.2 20744 153082 45512 0 2 0x482 syz-executor.7 38776 227789 0 0 3 0x14200 acct acct 62523 86110 0 0 3 0x14280 nfsidl nfsio 10093 366859 0 0 3 0x14280 nfsidl nfsio 72748 358208 0 0 3 0x14280 nfsidl nfsio 83093 309915 0 0 3 0x14280 nfsidl nfsio 42321 342824 0 0 3 0x14280 nfsidl nfsio 89469 208676 0 0 3 0x14280 nfsidl nfsio 26897 318000 0 0 3 0x14280 nfsidl nfsio 92562 465812 0 0 3 0x14280 nfsidl nfsio 80905 482472 0 0 3 0x14280 nfsidl nfsio 96882 138612 0 0 3 0x14280 nfsidl nfsio 43425 92466 0 0 3 0x14280 nfsidl nfsio 24790 366641 0 0 3 0x14280 nfsidl nfsio 35472 83270 0 0 3 0x14280 nfsidl nfsio 63117 347455 0 0 3 0x14280 nfsidl nfsio 31456 442311 0 0 3 0x14280 nfsidl nfsio 65250 134249 0 0 3 0x14280 nfsidl nfsio 45203 212196 0 0 3 0x14280 nfsidl nfsio 35212 352604 0 0 3 0x14280 nfsidl nfsio 72285 345840 0 0 3 0x14280 nfsidl nfsio 43626 474851 0 0 3 0x14280 nfsidl nfsio 96742 499632 1 0 3 0x100083 ttyin getty 2848 396566 0 0 3 0x14200 bored sosplice 45512 464477 40663 0 3 0x2000082 wait syz-fuzzer 45512 31638 40663 0 3 0x6000082 nanoslp syz-fuzzer 45512 304397 40663 0 3 0x6000082 wait syz-fuzzer 45512 121808 40663 0 3 0x6000082 thrsleep syz-fuzzer 45512 146526 40663 0 3 0x6000082 wait syz-fuzzer 45512 225260 40663 0 3 0x6000082 wait syz-fuzzer 45512 257481 40663 0 3 0x6000082 thrsleep syz-fuzzer 45512 200116 40663 0 3 0x6000082 wait syz-fuzzer 45512 45222 40663 0 3 0x6000082 thrsleep syz-fuzzer 45512 65880 40663 0 3 0x6000082 wait syz-fuzzer 45512 177977 40663 0 3 0x6000082 thrsleep syz-fuzzer 45512 126069 40663 0 2 0x6000482 syz-fuzzer 45512 356825 40663 0 3 0x6000082 thrsleep syz-fuzzer 45512 469785 40663 0 3 0x6000082 wait syz-fuzzer 40663 217541 85904 0 3 0x10008a sigsusp ksh 85904 239583 98974 0 3 0x9a kqread sshd 98974 18726 1 0 3 0x88 kqread sshd 69151 511135 46059 73 2 0x1100010 syslogd 46059 427895 1 0 3 0x100082 netio syslogd 92590 406450 1 0 3 0x100080 kqread resolvd 49030 516849 59170 77 3 0x100092 kqread dhcpleased 24307 287099 59170 77 3 0x100092 kqread dhcpleased 59170 317264 1 0 3 0x80 kqread dhcpleased 16061 465503 0 0 3 0x14200 bored smr 28570 310267 0 0 2 0x14200 zerothread 86836 40785 0 0 3 0x14200 aiodoned aiodoned 61162 473537 0 0 2 0x14600 update 42252 292458 0 0 3 0x14200 cleaner cleaner 21336 267320 0 0 3 0x14200 reaper reaper 35973 231991 0 0 3 0x14200 pgdaemon pagedaemon 88835 269244 0 0 3 0x14200 bored viomb 2505 193611 0 0 3 0x40014200 acpi0 acpi0 38729 176877 0 0 3 0x14200 bored softnet3 74072 193850 0 0 3 0x14200 bored softnet2 88573 321648 0 0 3 0x14200 bored softnet1 44749 428458 0 0 2 0x14200 softnet0 40143 55166 0 0 3 0x14200 bored systqmp 82208 235554 0 0 3 0x14200 bored systq * 3020 235808 0 0 7 0x40014200 softclock 53336 457823 0 0 3 0x40014200 idle0 1 91235 0 0 3 0x80082 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 10196 6408K 7492K 166960K 48594 0 pcb 15 24K 27K 166960K 1561 0 rtable 159 9K 11K 166960K 3590 0 pf 25 8K 10K 166960K 575 0 ifaddr 29 12K 14K 166960K 508 0 ifgroup 42 1K 2K 166960K 856 0 sysctl 3 0K 2K 166960K 11 0 counters 28 17K 17K 166960K 275 0 ioctlops 0 0K 2K 166960K 1610 0 iov 0 0K 32K 166960K 2241 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1592 100K 100K 166960K 13106 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 271 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 3480 0 dirhash 12 2K 3K 166960K 114 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 15 53K 73K 166960K 17339 0 sigio 0 0K 0K 166960K 561 0 proc 60 59K 75K 166960K 2874 0 subproc 104 6K 6K 166960K 934 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 1257 0 in_multi 55 4K 7K 166960K 1061 0 ether_multi 1 0K 0K 166960K 11 0 mrt 1 0K 0K 166960K 16 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 235 1049K 1049K 166960K 235 0 exec 0 0K 1K 166960K 3180 0 pfkey data 0 0K 0K 166960K 20 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 533 862K 863K 166960K 159932 0 UVM aobj 131 4K 4K 166960K 141 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 497 0 NDP 9 0K 1K 166960K 403 0 temp 74 6764K 7400K 166960K 199738 0 kqueue 12 18K 26K 166960K 1211 0 SYN cache 2 104K 112K 166960K 3 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 872 0 869 4 2 2 3 0 8 1 rtentry 112 1091 0 1023 5 1 4 4 0 8 1 unpcb 144 13092 0 13077 21 15 6 6 0 8 5 syncache 336 146 0 146 4 3 1 1 0 8 1 tcpqe 32 250 401 250 4 3 1 1 0 8 1 tcpcb 808 5750 0 5720 47 36 11 22 0 8 7 arp 88 189 0 179 1 0 1 1 0 8 0 ipq 40 85 0 85 3 2 1 1 0 8 1 ipqe 40 255 0 255 3 2 1 1 0 8 1 inpcb 360 15144 0 15109 80 68 12 24 0 8 8 nd6 104 238 0 224 1 0 1 1 0 8 0 pkpcb 40 108 0 108 3 2 1 1 0 8 1 kcovpl 48 71 0 63 1 0 1 1 0 8 0 ppxss 1072 116 0 116 4 3 1 1 0 8 1 rttmr 136 1 0 1 1 0 1 1 0 8 1 pool(rttmr): free list modified: page 0xfffffd8069458000; item ordinal 0; addr 0xfffffd8069458e58 (p 0xfffffd8069458000); offset 0x10=0xffffffff art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 3800 0 3511 41 14 27 29 0 8 8 art_table 32 3801 0 3511 4 0 4 4 0 8 0 art_node 16 1000 0 938 1 0 1 1 0 8 0 sysvmsgpl 40 6 0 6 1 1 0 1 0 8 0 semapl 112 3478 0 3468 1 0 1 1 0 8 0 shmpl 112 138 0 10 4 0 4 4 0 8 0 dirhash 1024 85 0 68 3 0 3 3 0 8 0 dino2pl 256 24897 0 23399 94 0 94 94 0 8 0 ffsino 240 24897 0 23399 89 0 89 89 0 8 0 nchpl 144 48593 0 46957 63 0 63 63 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 167607 0 167607 8 6 2 3 0 8 2 vcpupl 2048 365 0 0 46 0 46 46 0 8 0 vmpool 664 558 0 193 31 0 31 31 0 8 0 kstatmem 264 512 0 494 2 0 2 2 0 8 0 scxspl 216 140247 0 140247 17 13 4 8 1 8 4 plimitpl 152 2153 0 2138 1 0 1 1 0 8 0 sigapl 424 17629 0 17564 8 0 8 8 0 8 0 futexpl 64 165432 0 165426 2 1 1 1 0 8 0 knotepl 120 161603 0 161521 34 23 11 11 0 8 7 kqueuepl 184 3337 0 3329 16 12 4 7 0 8 3 pipepl 288 2917 0 2889 14 6 8 8 0 8 5 fdescpl 432 17489 0 17463 4 0 4 4 0 8 0 filepl 120 108634 0 108391 37 24 13 17 0 8 5 lockfpl 104 5998 0 5996 3 1 2 2 0 8 1 lockfspl 48 2091 0 2089 1 0 1 1 0 8 0 sessionpl 144 89 0 73 1 0 1 1 0 8 0 pgrppl 48 248 0 232 1 0 1 1 0 8 0 ucredpl 104 15863 0 15850 1 0 1 1 0 8 0 zombiepl 144 17566 0 17564 1 0 1 1 0 8 0 processpl 1072 17629 0 17564 5 0 5 5 0 8 0 procpl 680 43219 0 43133 10 1 9 9 0 8 1 sosppl 168 222 0 216 3 2 1 1 0 8 0 sockpl 488 29356 0 29303 378 362 16 35 0 8 8 mcl64k 65536 783 0 783 4 3 1 1 0 8 1 mcl16k 16384 429 0 429 4 3 1 1 0 8 1 mcl12k 12288 645 0 645 4 3 1 1 0 8 1 mcl9k 9216 292 0 292 4 3 1 1 0 8 1 mcl8k 8192 1449 0 1449 4 3 1 1 0 8 1 mcl4k 4096 1800 0 1800 6 3 3 3 0 8 3 mcl2k2 2112 120 0 120 4 3 1 1 0 8 1 mcl2k 2048 109937 0 109889 62 48 14 33 0 8 7 mtagpl 96 3477 0 3332 17 6 11 13 0 8 4 mbufpl 256 325698 0 325466 398 369 29 88 0 8 8 bufpl 280 34697 0 28292 458 0 458 458 0 8 0 anonpl 24 1684350 0 1671592 160 45 115 115 0 188 11 amapchunkpl 152 509067 0 508178 77 28 49 52 0 158 12 amappl16 200 32642 0 32169 93 57 36 38 0 8 8 amappl15 192 103 0 101 1 0 1 1 0 8 0 amappl14 184 349 0 338 2 1 1 2 0 8 0 amappl13 176 27 0 27 4 3 1 1 0 8 1 amappl12 168 19054 0 19022 2 0 2 2 0 8 0 amappl11 160 55 0 45 1 0 1 1 0 8 0 amappl10 152 136 0 125 1 0 1 1 0 8 0 amappl9 144 235 0 234 1 0 1 1 0 8 0 amappl8 136 734 0 636 4 0 4 4 0 8 0 amappl7 128 360 0 336 2 0 2 2 0 8 0 amappl6 120 1317 0 1297 1 0 1 1 0 8 0 amappl5 112 445 0 437 1 0 1 1 0 8 0 amappl4 104 1091 0 1068 2 1 1 2 0 8 0 amappl3 96 99470 0 99380 3 0 3 3 0 8 0 amappl2 88 18823 0 18750 3 1 2 3 0 8 0 amappl1 80 74738 0 74231 22 10 12 22 0 8 0 amappl 88 158470 0 158174 8 0 8 8 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 72 140 0 10 3 0 3 3 0 8 0 uaddrrnd 24 18047 0 17656 3 0 3 3 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 18047 0 17656 3 0 3 3 0 8 0 vmmpekpl 168 115901 0 115780 6 0 6 6 0 8 0 vmmpepl 168 1042312 0 1039612 250 76 174 174 0 357 32 vmsppl 352 18046 0 17656 36 0 36 36 0 8 0 rwobjpl 24 241019 0 233364 49 1 48 48 0 8 0 pdppl 4096 36100 0 35677 1360 933 427 429 0 8 4 pvpl 32 4550418 0 4532049 449 248 201 362 0 265 20 pmappl 216 18046 0 17656 23 1 22 22 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 2198 0 1430 24 0 24 24 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace __x86_indirect_thunk_r11() at __x86_indirect_thunk_r11+0x14 softclock_thread(ffff80002a57cff0) at softclock_thread+0xc4 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(ffff80002a57cff0) at softclock_thread+0xc4 sys/kern/kern_timeout.c:814 end trace frame: 0x0, count: -2