panic: kernel diagnostic assertion "!ISSET(p->p_flag, P_WSLEEP) || p->p_stat == SSTOP" failed: file "/syzkaller/managers/setuid/kernel/sys/kern/kern_sched.c", line 251 Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *207922 90271 32767 0x10 0 0K syz-executor.5 124653 32518 32767 0x10 0 1 syz-executor.4 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82799589) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff828174d6,ffffffff82764183,fb,ffffffff8283fb6c) at __assert+0x29 sys/kern/subr_prf.c:157 setrunqueue(ffff800020d58ff0,ffff8000263358c0,4e) at setrunqueue+0x2e5 sys/kern/kern_sched.c:249 schedcpu(ffffffff82ce7ae8) at schedcpu+0x28b sys/kern/sched_bsd.c:235 timeout_run(ffffffff82ce7ae8) at timeout_run+0xd0 sys/kern/kern_timeout.c:638 softclock_process_tick_timeout(ffffffff82ce7ae8,0) at softclock_process_tick_timeout+0x1b0 sys/kern/kern_timeout.c:685 softclock(0) at softclock+0x130 sys/kern/kern_timeout.c:708 softintr_dispatch(0) at softintr_dispatch+0xfb sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x23 end of kernel end trace frame: 0x7bbf57d3be90, count: 5 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: kernel diagnostic assertion "!ISSET(p->p_flag, P_WSLEEP) || p->p_stat == SSTOP" failed: file "/syzkaller/managers/setuid/kernel/sys/kern/kern_sched.c", line 251 ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82799589) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff828174d6,ffffffff82764183,fb,ffffffff8283fb6c) at __assert+0x29 sys/kern/subr_prf.c:157 setrunqueue(ffff800020d58ff0,ffff8000263358c0,4e) at setrunqueue+0x2e5 sys/kern/kern_sched.c:249 schedcpu(ffffffff82ce7ae8) at schedcpu+0x28b sys/kern/sched_bsd.c:235 timeout_run(ffffffff82ce7ae8) at timeout_run+0xd0 sys/kern/kern_timeout.c:638 softclock_process_tick_timeout(ffffffff82ce7ae8,0) at softclock_process_tick_timeout+0x1b0 sys/kern/kern_timeout.c:685 softclock(0) at softclock+0x130 sys/kern/kern_timeout.c:708 softintr_dispatch(0) at softintr_dispatch+0xfb sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x23 end of kernel end trace frame: 0x7bbf57d3be90, count: -10 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002b1e9880 rbx 0xffffffff82be6b8f cpu_info_full_primary+0x2b8f rdx 0 rcx 0 rax 0xffff800021220848 r8 0x101010101010101 r9 0x8080808080808080 r10 0xb1e14d2611067e64 r11 0x7676500b5b0900d4 r12 0xffffffff82be6990 cpu_info_full_primary+0x2990 r13 0 r14 0 r15 0x1 rip 0xffffffff8151f14c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80002b1e9870 ss 0 db_enter+0x1c: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.5) pid=207922 stat=onproc flags process=10 proc=0 pri=62, usrpri=78, nice=20 forw=0xffffffffffffffff, list=0xffff800021221070,0xffff800021220dc8 process=0xffff800027b81938 user=0xffff80002b1e4000, vmspace=0xfffffd80681c4b08 estcpu=28, cpticks=0, pctcpu=0.2 user=1, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND *90271 207922 44406 32767 7 0x10 syz-executor.5 90271 168838 44406 32767 3 0x4000090 ttyin syz-executor.5 72849 251116 96971 32767 2 0x10 syz-executor.3 72849 41855 96971 32767 2 0x4000010 syz-executor.3 88551 476384 23996 32767 2 0x4081010 syz-executor.1 88551 75011 23996 32767 3 0x4003010 suspend syz-executor.1 32518 124653 25466 32767 7 0x10 syz-executor.4 32518 18383 25466 32767 3 0x4000090 fsleep syz-executor.4 32518 337359 25466 32767 2 0x4000010 syz-executor.4 96367 129705 94141 32767 2 0x10 syz-executor.0 45586 466760 75537 32767 3 0x3810 suspend syz-executor.6 45586 145728 75537 32767 2 0x4081810 syz-executor.6 45586 325735 75537 32767 2 0x40818b0 syz-executor.6 44708 232839 61454 32767 2 0x10 syz-executor.2 44708 460456 61454 32767 3 0x4000090 fsleep syz-executor.2 44708 291396 61454 32767 3 0x4000090 fsleep syz-executor.2 61454 244931 47847 32767 2 0x10 syz-executor.2 47847 116046 10841 0 3 0x82 wait syz-executor.2 40338 144172 62033 32767 2 0x10 syz-executor.7 62033 64451 10841 0 3 0x82 wait syz-executor.7 75537 248597 23146 32767 3 0x90 nanoslp syz-executor.6 23146 355763 10841 0 3 0x82 wait syz-executor.6 23996 82915 27402 32767 3 0x90 nanoslp syz-executor.1 27402 255292 10841 0 3 0x82 wait syz-executor.1 25466 237356 74036 32767 3 0x90 nanoslp syz-executor.4 74036 60178 10841 0 3 0x82 wait syz-executor.4 94141 56679 20994 32767 2 0x10 syz-executor.0 20994 192714 10841 0 3 0x82 wait syz-executor.0 44406 163898 19185 32767 3 0x90 nanoslp syz-executor.5 19185 133478 10841 0 3 0x82 wait syz-executor.5 96971 119368 48783 32767 3 0x90 nanoslp syz-executor.3 48783 324112 10841 0 3 0x82 wait syz-executor.3 32527 60570 0 0 3 0x14200 bored sosplice 10841 123934 64476 0 3 0x82 kqread syz-fuzzer 10841 186748 64476 0 3 0x4000082 thrsleep syz-fuzzer 10841 227902 64476 0 3 0x4000082 thrsleep syz-fuzzer 10841 27367 64476 0 3 0x4000082 wait syz-fuzzer 10841 386163 64476 0 3 0x4000082 wait syz-fuzzer 10841 424132 64476 0 3 0x4000082 thrsleep syz-fuzzer 10841 344649 64476 0 3 0x4000082 wait syz-fuzzer 10841 60174 64476 0 3 0x4000082 wait syz-fuzzer 10841 411264 64476 0 3 0x4000082 thrsleep syz-fuzzer 10841 507963 64476 0 3 0x4000082 wait syz-fuzzer 10841 301452 64476 0 3 0x4000082 thrsleep syz-fuzzer 10841 145912 64476 0 3 0x4000082 thrsleep syz-fuzzer 10841 375080 64476 0 3 0x4000082 wait syz-fuzzer 10841 415295 64476 0 3 0x4000082 wait syz-fuzzer 10841 352868 64476 0 3 0x4000082 thrsleep syz-fuzzer 10841 156307 64476 0 3 0x4000082 wait syz-fuzzer 64476 203510 17529 0 3 0x10008a sigsusp ksh 17529 1095 36071 0 3 0x9a kqread sshd 5661 459959 1 0 3 0x100083 ttyin getty 36071 51860 1 0 3 0x88 kqread sshd 30191 369767 29446 73 3 0x1100090 kqread syslogd 29446 516673 1 0 3 0x100082 netio syslogd 25935 170347 1 0 3 0x100080 kqread resolvd 48259 95488 63450 77 3 0x100092 kqread dhcpleased 68822 96508 63450 77 3 0x100092 kqread dhcpleased 63450 364279 1 0 3 0x80 kqread dhcpleased 54665 51455 0 0 3 0x14200 bored smr 68548 250576 0 0 2 0x14200 zerothread 24219 12634 0 0 3 0x14200 aiodoned aiodoned 62969 16550 0 0 3 0x14200 syncer update 58115 458127 0 0 3 0x14200 cleaner cleaner 93736 251080 0 0 3 0x14200 reaper reaper 80029 167015 0 0 3 0x14200 pgdaemon pagedaemon 5858 428573 0 0 3 0x14200 bored viomb 58362 196797 0 0 3 0x40014200 acpi0 acpi0 13511 360057 0 0 3 0x40014200 idle1 2611 435535 0 0 3 0x14200 bored softnet3 10570 4682 0 0 3 0x14200 bored softnet2 25953 412207 0 0 3 0x14200 bored softnet1 54043 96856 0 0 3 0x14200 bored softnet0 38896 300724 0 0 3 0x14200 bored systqmp 8923 367548 0 0 3 0x14200 bored systq 78647 433415 0 0 3 0x40014200 bored softclock 79892 411239 0 0 3 0x40014200 idle0 1 126095 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive sched_lock &sched_lock r = 0 (0xffffffff82ce7aa0) #0 witness_lock+0x447 #1 schedcpu+0x119 sys/kern/sched_bsd.c:218 #2 timeout_run+0xd0 sys/kern/kern_timeout.c:638 #3 softclock_process_tick_timeout+0x1b0 sys/kern/kern_timeout.c:685 #4 softclock+0x130 sys/kern/kern_timeout.c:708 #5 softintr_dispatch+0xfb sys/arch/amd64/amd64/softintr.c:90 #6 Xsoftclock+0x23 shared mutex timeout r = 0 (0xffffffff82c317f8) #0 witness_lock+0x447 #1 timeout_run+0xbb sys/kern/kern_timeout.c:634 #2 softclock_process_tick_timeout+0x1b0 sys/kern/kern_timeout.c:685 #3 softclock+0x130 sys/kern/kern_timeout.c:708 #4 softintr_dispatch+0xfb sys/arch/amd64/amd64/softintr.c:90 #5 Xsoftclock+0x23 Process 90271 (syz-executor.5) thread 0xffff800021220848 (207922) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82c94c28) #0 witness_lock+0x447 #1 softintr_dispatch+0x52 sys/arch/amd64/amd64/softintr.c:88 #2 Xsoftclock+0x23 exclusive sched_lock &sched_lock r = 0 (0xffffffff82ce7aa0) #0 witness_lock+0x447 #1 schedcpu+0x119 sys/kern/sched_bsd.c:218 #2 timeout_run+0xd0 sys/kern/kern_timeout.c:638 #3 softclock_process_tick_timeout+0x1b0 sys/kern/kern_timeout.c:685 #4 softclock+0x130 sys/kern/kern_timeout.c:708 #5 softintr_dispatch+0xfb sys/arch/amd64/amd64/softintr.c:90 #6 Xsoftclock+0x23 shared mutex timeout r = 0 (0xffffffff82c317f8) #0 witness_lock+0x447 #1 timeout_run+0xbb sys/kern/kern_timeout.c:634 #2 softclock_process_tick_timeout+0x1b0 sys/kern/kern_timeout.c:685 #3 softclock+0x130 sys/kern/kern_timeout.c:708 #4 softintr_dispatch+0xfb sys/arch/amd64/amd64/softintr.c:90 #5 Xsoftclock+0x23 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10217 6413K 6419K 78643K 11540 0 pcb 13 16K 18K 78643K 19 0 rtable 244 6K 7K 78643K 2979 0 pf 29 8K 8K 78643K 191 0 ifaddr 44 16K 16K 78643K 376 0 ifgroup 50 2K 2K 78643K 374 0 sysctl 3 1K 5K 78643K 14 0 counters 60 35K 35K 78643K 222 0 ioctlops 0 0K 2K 78643K 485 0 iov 0 0K 17K 78643K 2731 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1279 80K 80K 78643K 8340 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 525 0 VM map 2 1K 1K 78643K 2 0 sem 12 1K 1K 78643K 347 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 25 93K 113K 78643K 36169 0 sigio 0 0K 0K 78643K 674 0 proc 56 78K 115K 78643K 4422 0 subproc 104 6K 6K 78643K 1157 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 1126 0 in_multi 99 7K 7K 78643K 1183 0 ether_multi 1 0K 0K 78643K 1 0 mrt 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 295 1314K 1314K 78643K 295 0 exec 0 0K 1K 78643K 4657 0 tdb 3 0K 0K 78643K 3 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 8 62K 64K 78643K 10 0 UVM amap 497 93K 107K 78643K 348555 0 UVM aobj 131 8K 8K 78643K 131 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 1057 0 NDP 11 0K 2K 78643K 270 0 temp 75 5864K 5948K 78643K 94114 0 kqueue 12 18K 26K 78643K 3128 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 744 0 741 3 2 1 3 0 8 0 rtentry 112 1074 0 959 4 0 4 4 0 8 0 unpcb 144 19606 0 19591 223 222 1 10 0 8 0 syncache 296 184 0 184 48 48 0 1 0 8 0 tcpqe 32 275 0 275 25 25 0 1 0 8 0 tcpcb 808 41350 0 41344 694 686 8 21 0 8 6 arp 120 180 0 162 1 0 1 1 0 8 0 ipq 40 91 0 91 25 25 0 1 0 8 0 ipqe 40 610 0 610 25 25 0 1 0 8 0 inpcb 368 51820 0 51811 694 686 8 20 0 8 6 nd6 136 339 0 310 2 1 1 2 0 8 0 kcovpl 48 89 0 81 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 4243 0 3764 39 8 31 33 0 8 0 art_table 32 4244 0 3764 5 1 4 5 0 8 0 art_node 16 1073 0 968 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 3 1 0 1 1 0 8 0 semupl 112 7 0 7 2 2 0 1 0 8 0 semapl 112 345 0 335 1 0 1 1 0 8 0 shmpl 112 128 0 0 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 46988 0 45536 92 0 92 92 0 8 0 ffsino 272 46988 0 45536 98 0 98 98 0 8 0 nchpl 144 92637 0 90989 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 292787 0 292787 6 5 1 3 0 8 1 percpumem 16 124 0 81 1 0 1 1 0 8 0 kstatmem 264 184 0 162 2 0 2 2 0 8 0 scxspl 216 276574 0 276574 75 74 1 8 0 8 1 plimitpl 152 4355 0 4329 43 41 2 2 0 8 0 sigapl 424 36302 0 36248 7 0 7 7 0 8 0 futexpl 64 252552 0 252548 11 10 1 1 0 8 0 knotepl 120 1906 0 0 13 2 11 11 0 8 0 kqueuepl 216 7956 0 7947 143 142 1 10 0 8 0 pipepl 320 13276 0 13248 293 289 4 13 0 8 0 fdescpl 496 36284 0 36248 7 2 5 6 0 8 0 filepl 152 226058 0 225815 461 449 12 25 0 8 1 lockfpl 104 3205 0 3203 1 0 1 1 0 8 0 lockfspl 48 902 0 900 1 0 1 1 0 8 0 sessionpl 144 104 0 88 1 0 1 1 0 8 0 pgrppl 48 529 0 513 1 0 1 1 0 8 0 ucredpl 104 33714 0 33696 1 0 1 1 0 8 0 zombiepl 144 36249 0 36248 1 0 1 1 0 8 0 processpl 1072 36302 0 36248 4 0 4 4 0 8 0 procpl 696 97138 0 97059 34 26 8 9 0 8 0 sosppl 168 442 0 442 58 58 0 1 0 8 0 sockpl 488 73634 0 73607 1578 1566 12 45 0 8 8 mcl64k 65536 65 0 0 5 2 3 3 0 8 0 mcl16k 16384 57 0 0 3 0 3 3 0 8 0 mcl12k 12288 25 0 0 2 0 2 2 0 8 0 mcl9k 9216 33 0 0 2 0 2 2 0 8 0 mcl8k 8192 49 0 0 4 1 3 3 0 8 0 mcl4k 4096 105 0 0 10 6 4 6 0 8 0 mcl2k2 2112 8 0 0 1 0 1 1 0 8 0 mcl2k 2048 847 0 0 46 35 11 41 0 8 0 mtagpl 96 7 0 0 1 0 1 1 0 8 0 mbufpl 256 2780 0 0 102 0 102 102 0 8 0 bufpl 288 50186 0 43874 451 0 451 451 0 8 0 anonpl 24 3462853 0 3452030 200 107 93 97 0 186 0 amapchunkpl 152 1095369 0 1094458 273 237 36 49 0 158 0 amappl16 200 72038 0 71794 407 392 15 30 0 8 0 amappl15 192 53 0 53 2 2 0 1 0 8 0 amappl14 184 431 0 416 2 1 1 2 0 8 0 amappl13 176 50 0 50 13 13 0 1 0 8 0 amappl12 168 38219 0 38180 3 0 3 3 0 8 0 amappl11 160 88 0 78 1 0 1 1 0 8 0 amappl10 152 117 0 107 1 0 1 1 0 8 0 amappl9 144 455 0 455 77 76 1 2 0 8 1 amappl8 136 2225 0 1949 10 0 10 10 0 8 0 amappl7 128 301 0 282 1 0 1 1 0 8 0 amappl6 120 1141 0 1114 2 1 1 2 0 8 0 amappl5 112 1231 0 1225 1 0 1 1 0 8 0 amappl4 104 2438 0 2387 2 0 2 2 0 8 0 amappl3 96 215563 0 215454 25 22 3 4 0 8 0 amappl2 88 37639 0 37547 10 7 3 3 0 8 0 amappl1 80 138111 0 137586 22 9 13 22 0 8 0 amappl 88 346311 0 346043 7 0 7 7 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 72 130 0 0 3 0 3 3 0 8 0 uaddrrnd 24 36284 0 36248 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 36284 0 36248 1 0 1 1 0 8 0 vmmpekpl 168 286966 0 286898 4 0 4 4 0 8 0 vmmpepl 168 2090399 0 2087785 346 214 132 135 0 357 0 vmsppl 464 36283 0 36248 7 2 5 6 0 8 0 rwobjpl 56 500977 0 493402 126 15 111 111 0 8 0 pdppl 4096 72576 0 72496 1297 1215 82 92 0 8 2 pvpl 32 10161311 0 10143918 922 751 171 357 0 265 0 pmappl 248 36283 0 36248 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 3548 0 2646 27 0 27 27 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82799589) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff828174d6,ffffffff82764183,fb,ffffffff8283fb6c) at __assert+0x29 sys/kern/subr_prf.c:157 setrunqueue(ffff800020d58ff0,ffff8000263358c0,4e) at setrunqueue+0x2e5 sys/kern/kern_sched.c:249 schedcpu(ffffffff82ce7ae8) at schedcpu+0x28b sys/kern/sched_bsd.c:235 timeout_run(ffffffff82ce7ae8) at timeout_run+0xd0 sys/kern/kern_timeout.c:638 softclock_process_tick_timeout(ffffffff82ce7ae8,0) at softclock_process_tick_timeout+0x1b0 sys/kern/kern_timeout.c:685 softclock(0) at softclock+0x130 sys/kern/kern_timeout.c:708 softintr_dispatch(0) at softintr_dispatch+0xfb sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x23 end of kernel end trace frame: 0x7bbf57d3be90, count: -10 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffff800020d58ff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff82ce7898) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82ce7898) at __mp_lock+0x122 sys/kern/kern_lock.c:147 schedclock(ffff800021285338) at schedclock+0x99 sys/kern/sched_bsd.c:500 clockintr_statclock(ffff800020d59bc8,ffff800022f113b0) at clockintr_statclock+0x188 sys/kern/kern_clockintr.c:604 clockintr_dispatch(ffff800022f113b0) at clockintr_dispatch+0x2d7 sys/kern/kern_clockintr.c:267 lapic_clockintr(0,0) at lapic_clockintr+0x48 sys/arch/amd64/amd64/lapic.c:482 Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x26 end of kernel end trace frame: 0x72aa5df7fee0, count: 6 ddb{1}> trace x86_ipi_db(ffff800020d58ff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff82ce7898) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82ce7898) at __mp_lock+0x122 sys/kern/kern_lock.c:147 schedclock(ffff800021285338) at schedclock+0x99 sys/kern/sched_bsd.c:500 clockintr_statclock(ffff800020d59bc8,ffff800022f113b0) at clockintr_statclock+0x188 sys/kern/kern_clockintr.c:604 clockintr_dispatch(ffff800022f113b0) at clockintr_dispatch+0x2d7 sys/kern/kern_clockintr.c:267 lapic_clockintr(0,0) at lapic_clockintr+0x48 sys/arch/amd64/amd64/lapic.c:482 Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x26 end of kernel end trace frame: 0x72aa5df7fee0, count: -9