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(ffff80002a58c550) at softclock_thread+0xc3 sys/kern/kern_timeout.c:814 end trace frame: 0x0, count: -2 ddb> show registers rdi 0xdeaf4152deaf4152 rsi 0 rbp 0xffff80002a599ee0 rbx 0 rdx 0 rcx 0xffffffff82ca5ff0 cpu_info_full_primary+0x1ff0 rax 0x9 r8 0xffff80002a599b28 r9 0x1800 __ALIGN_SIZE+0x800 r10 0xf7583eb152dd63e8 r11 0xdeaf4152deaf4152 r12 0xdeaf4152deaf4152 r13 0xffffffff82ca5ff0 cpu_info_full_primary+0x1ff0 r14 0xffff8000ffffe180 r15 0xdeaf4152deaf4152 rip 0xffffffff81c4e314 __x86_indirect_thunk_r11+0x14 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a599ea0 ss 0x10 __x86_indirect_thunk_r11+0x14: ret ddb> show proc PROC (softclock) tid=21630 pid=25423 tcnt=1 stat=onproc flags process=14000 proc=40000200 runpri=50, usrpri=50, slppri=0, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a58caa0,0xffff80002a58c2b8 process=0xffff8000ffffe180 user=0xffff80002a594000, vmspace=0xffffffff82e59d88 estcpu=0, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 40766 200194 94798 0 2 0 syz-executor.2 40766 75389 94798 0 2 0x4000000 syz-executor.2 1989 23442 7255 0 2 0x480 syz-executor.3 1989 516766 7255 0 2 0x4000480 syz-executor.3 1989 171311 7255 0 2 0x4000480 syz-executor.3 1989 327828 7255 0 3 0x4000080 fsleep syz-executor.3 44272 422054 40874 0 3 0x82 piperd syz-executor.4 32882 130399 40874 0 2 0x2 syz-executor.7 94798 263170 40874 0 2 0x482 syz-executor.2 53089 298831 40874 0 3 0x82 piperd syz-executor.1 7255 515129 40874 0 2 0x482 syz-executor.3 29644 33281 40874 0 2 0x482 syz-executor.6 25873 479922 40874 0 3 0x82 piperd syz-executor.0 65898 281605 40874 0 3 0x82 piperd syz-executor.5 90711 85392 0 0 3 0x14200 acct acct 92880 335432 43167 0 3 0x18100082 netio arp 43167 487876 1 0 3 0x810008a sigsusp sh 35729 312829 1 0 3 0x18100083 ttyopn getty 96598 160871 0 0 3 0x14200 bored sosplice 40874 456274 44652 0 2 0x1a000002 syz-fuzzer 40874 319721 44652 0 3 0x1e000082 nanoslp syz-fuzzer 40874 72630 44652 0 3 0x1e000082 wait syz-fuzzer 40874 350764 44652 0 3 0x1e000082 thrsleep syz-fuzzer 40874 357877 44652 0 3 0x1e000082 wait syz-fuzzer 40874 333456 44652 0 3 0x1e000082 wait syz-fuzzer 40874 100205 44652 0 3 0x1e000082 thrsleep syz-fuzzer 40874 502724 44652 0 3 0x1e000082 wait syz-fuzzer 40874 445060 44652 0 3 0x1e000082 thrsleep syz-fuzzer 40874 443527 44652 0 3 0x1e000082 wait syz-fuzzer 40874 478714 44652 0 3 0x1e000082 thrsleep syz-fuzzer 40874 282373 44652 0 3 0x1e000082 wait syz-fuzzer 40874 245974 44652 0 3 0x1e000082 wait syz-fuzzer 40874 345683 44652 0 3 0x1e000082 wait syz-fuzzer 44652 388503 36753 0 3 0x810008a sigsusp ksh 36753 431766 81430 0 3 0x1800009a kqread sshd 81430 429884 1 0 3 0x18000088 kqread sshd 84380 94990 8103 73 3 0x19100090 kqread syslogd 8103 314839 1 0 3 0x18100082 netio syslogd 60771 139341 1 0 3 0x18100000 ffs_fsync resolvd 14849 194677 48734 77 3 0x18100092 kqread dhcpleased 86157 223958 48734 77 3 0x18100092 kqread dhcpleased 48734 409852 1 0 3 0x18000080 kqread dhcpleased 64439 381358 0 0 3 0x14200 bored smr 22630 331577 0 0 2 0x14200 zerothread 11680 128185 0 0 3 0x14200 aiodoned aiodoned 10697 321798 0 0 2 0x14600 update 12339 298611 0 0 3 0x14200 cleaner cleaner 37079 17237 0 0 3 0x14200 reaper reaper 66916 410656 0 0 3 0x14200 pgdaemon pagedaemon 70908 259704 0 0 3 0x14200 bored viomb 2518 333702 0 0 3 0x40014200 acpi0 acpi0 2710 457189 0 0 3 0x14200 bored softnet3 30876 150634 0 0 3 0x14200 bored softnet2 49311 106167 0 0 3 0x14200 bored softnet1 83331 208658 0 0 3 0x14200 bored softnet0 27016 410574 0 0 3 0x14200 bored systqmp 53610 446385 0 0 3 0x14200 bored systq *25423 21630 0 0 7 0x40014200 softclock 76722 64115 0 0 3 0x40014200 idle0 1 196651 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 10192 6429K 7516K 166960K 49784 0 pcb 15 18K 20K 166960K 1251 0 rtable 246 11K 11K 166960K 4466 0 pf 36 10K 10K 166960K 501 0 ifaddr 47 13K 13K 166960K 575 0 ifgroup 63 2K 2K 166960K 782 0 sysctl 3 0K 0K 166960K 3 0 counters 33 17K 18K 166960K 250 0 ioctlops 0 0K 2K 166960K 1051 0 iov 0 0K 24K 166960K 2036 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1644 103K 104K 166960K 12061 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 37 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 2995 0 dirhash 12 2K 2K 166960K 57 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 14 49K 89K 166960K 16031 0 sigio 0 0K 0K 166960K 652 0 proc 58 59K 92K 166960K 3288 0 subproc 117 7K 8K 166960K 1196 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 717 0 in_multi 99 7K 7K 166960K 1429 0 ether_multi 1 0K 0K 166960K 11 0 mrt 1 0K 0K 166960K 15 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 103 466K 466K 166960K 103 0 exec 0 0K 1K 166960K 3272 0 pfkey data 0 0K 0K 166960K 9 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 512 846K 849K 166960K 146470 0 UVM aobj 131 6K 6K 166960K 142 0 pinsyscall 25 50K 100K 166960K 3765 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 390 0 NDP 14 0K 2K 166960K 467 0 temp 74 6804K 7441K 166960K 109316 0 kqueue 12 18K 26K 166960K 1234 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 120 758 0 752 4 3 1 3 0 8 0 rtentry 112 1551 0 1438 6 2 4 4 0 8 0 unpcb 144 11292 0 11279 17 10 7 7 0 8 6 syncache 336 175 0 175 4 3 1 1 0 8 1 tcpqe 32 218 0 218 4 3 1 1 0 8 1 tcpcb 808 4726 0 4721 31 22 9 16 0 8 8 arp 88 280 0 261 1 0 1 1 0 8 0 ipq 40 16 0 16 2 1 1 1 0 8 1 ipqe 40 105 0 105 2 1 1 1 0 8 1 inpcb 360 12855 0 12846 76 67 9 22 0 8 8 nd6 104 329 0 305 1 0 1 1 0 8 0 pkpcb 40 344 0 344 4 3 1 1 0 8 1 kcovpl 48 92 0 83 1 0 1 1 0 8 0 ppxss 1072 93 0 93 3 2 1 1 0 8 1 rttmr 136 1 0 1 1 0 1 1 0 8 1 pool(rttmr): free list modified: page 0xfffffd8064753000; item ordinal 0; addr 0xfffffd8064753dd0 (p 0xfffffd8064753000); offset 0x10=0xffffffff art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 6224 0 5763 64 35 29 29 0 8 0 art_table 32 6225 0 5763 4 0 4 4 0 8 0 art_node 16 1539 0 1437 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 2993 0 2983 1 0 1 1 0 8 0 shmpl 112 139 0 11 4 0 4 4 0 8 0 dirhash 1024 47 0 30 3 0 3 3 0 8 0 dino2pl 256 22834 0 21257 99 0 99 99 0 8 0 ffsino 240 22834 0 21257 93 0 93 93 0 8 0 nchpl 144 44082 0 42346 66 0 66 66 0 8 0 uvmvnodes 80 6320 0 0 129 0 129 129 0 8 0 vnodes 216 6320 0 0 352 0 352 352 0 8 0 namei 1024 155987 0 155986 8 6 2 3 0 8 1 vcpupl 2048 187 0 0 24 0 24 24 0 8 0 vmpool 664 275 0 88 16 0 16 16 0 8 0 kstatmem 264 462 0 434 3 0 3 3 0 8 1 scxspl 216 143927 0 143926 16 12 4 8 1 8 3 plimitpl 152 1810 0 1794 1 0 1 1 0 8 0 sigapl 424 16549 0 16505 9 0 9 9 0 8 2 futexpl 64 144288 0 144287 1 0 1 1 0 8 0 knotepl 120 138384 0 138302 25 14 11 11 0 8 8 kqueuepl 184 2761 0 2753 11 7 4 4 0 8 3 pipepl 288 3091 0 3060 19 12 7 7 0 8 4 fdescpl 432 16126 0 16101 4 0 4 4 0 8 0 filepl 120 98294 0 98035 34 19 15 19 0 8 7 lockfpl 104 4412 0 4409 4 2 2 2 0 8 1 lockfspl 48 1625 0 1622 1 0 1 1 0 8 0 sessionpl 144 101 0 84 1 0 1 1 0 8 0 pgrppl 48 307 0 290 1 0 1 1 0 8 0 ucredpl 104 14895 0 14883 1 0 1 1 0 8 0 zombiepl 144 16506 0 16505 2 1 1 1 0 8 0 processpl 1072 16549 0 16505 5 0 5 5 0 8 0 procpl 680 39383 0 39322 9 0 9 9 0 8 0 sosppl 168 237 0 237 2 1 1 1 0 8 1 sockpl 488 25268 0 25240 307 295 12 36 0 8 8 mcl64k 65536 622 0 622 4 3 1 1 0 8 1 mcl16k 16384 352 0 352 4 3 1 1 0 8 1 mcl12k 12288 688 0 688 4 3 1 1 0 8 1 mcl9k 9216 273 0 273 4 3 1 1 0 8 1 mcl8k 8192 1099 0 1099 3 2 1 1 0 8 1 mcl4k 4096 1621 0 1621 8 7 1 4 0 8 1 mcl2k2 2112 101 0 101 3 2 1 1 0 8 1 mcl2k 2048 107991 0 107945 55 40 15 27 0 8 8 mtagpl 96 4296 0 4233 22 14 8 19 0 8 6 mbufpl 256 312320 0 312049 348 321 27 152 0 8 5 bufpl 280 31837 0 25494 454 0 454 454 0 8 0 anonpl 24 1625073 0 1610896 249 78 171 171 0 188 58 amapchunkpl 152 468345 0 467527 89 23 66 66 0 158 28 amappl16 200 32971 0 32485 123 88 35 51 0 8 5 amappl15 192 120 0 117 1 0 1 1 0 8 0 amappl14 184 387 0 375 2 1 1 2 0 8 0 amappl13 176 26 0 26 4 3 1 1 0 8 1 amappl12 168 17879 0 17852 2 0 2 2 0 8 0 amappl11 160 86 0 75 1 0 1 1 0 8 0 amappl10 152 131 0 120 1 0 1 1 0 8 0 amappl9 144 233 0 233 3 2 1 1 0 8 1 amappl8 136 690 0 587 4 0 4 4 0 8 0 amappl7 128 117 0 100 1 0 1 1 0 8 0 amappl6 120 1330 0 1308 3 1 2 2 0 8 1 amappl5 112 767 0 755 1 0 1 1 0 8 0 amappl4 104 1192 0 1156 3 1 2 2 0 8 0 amappl3 96 91130 0 91057 3 0 3 3 0 8 0 amappl2 88 17356 0 17283 4 1 3 4 0 8 1 amappl1 80 70539 0 70024 23 10 13 22 0 8 0 amappl 88 144879 0 144607 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 72 141 0 11 3 0 3 3 0 8 0 uaddrrnd 24 16401 0 16189 2 0 2 2 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 16401 0 16189 2 0 2 2 0 8 0 vmmpekpl 168 112560 0 112471 5 0 5 5 0 8 0 vmmpepl 168 987732 0 985214 251 80 171 171 0 357 36 vmsppl 352 16400 0 16189 20 0 20 20 0 8 0 rwobjpl 24 227980 0 219900 49 0 49 49 0 8 0 pdppl 4096 32808 0 32565 1025 772 253 259 0 8 10 pvpl 32 4385604 0 4365910 634 323 311 389 0 265 121 pmappl 216 16400 0 16189 13 0 13 13 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1805 0 1228 21 0 21 21 0 8 2 ddb> machine ddbcpu 0 No such command ddb> trace __x86_indirect_thunk_r11() at __x86_indirect_thunk_r11+0x14 softclock_thread(ffff80002a58c550) 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(ffff80002a58c550) at softclock_thread+0xc3 sys/kern/kern_timeout.c:814 end trace frame: 0x0, count: -2