panic: kernel diagnostic assertion "!ISSET(p->p_flag, P_WSLEEP) || p->p_stat == SSTOP" failed: file "/syzkaller/managers/multicore/kernel/sys/kern/kern_sched.c", line 265 Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *229083 53506 0 0 0 0K syz-executor.6 254798 18139 74 0x1100012 0x480 1 pflogd db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8279e355) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff82818f49,ffffffff82821730,109,ffffffff828413bd) at __assert+0x29 sys/kern/subr_prf.c:157 setrunqueue(ffffffff82bc0ff0,ffff800021237078,4d) at setrunqueue+0x2e5 sys/kern/kern_sched.c:263 schedcpu(ffffffff82d49f78) at schedcpu+0x28b sys/kern/sched_bsd.c:236 timeout_run(ffffffff82d49f78) at timeout_run+0xd0 sys/kern/kern_timeout.c:640 softclock_process_tick_timeout(ffffffff82d49f78,0) at softclock_process_tick_timeout+0x1b0 sys/kern/kern_timeout.c:687 softclock(0) at softclock+0x130 sys/kern/kern_timeout.c:710 softintr_dispatch(0) at softintr_dispatch+0xfb sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x7d7c58732c50, 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/multicore/kernel/sys/kern/kern_sched.c", line 265 ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8279e355) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff82818f49,ffffffff82821730,109,ffffffff828413bd) at __assert+0x29 sys/kern/subr_prf.c:157 setrunqueue(ffffffff82bc0ff0,ffff800021237078,4d) at setrunqueue+0x2e5 sys/kern/kern_sched.c:263 schedcpu(ffffffff82d49f78) at schedcpu+0x28b sys/kern/sched_bsd.c:236 timeout_run(ffffffff82d49f78) at timeout_run+0xd0 sys/kern/kern_timeout.c:640 softclock_process_tick_timeout(ffffffff82d49f78,0) at softclock_process_tick_timeout+0x1b0 sys/kern/kern_timeout.c:687 softclock(0) at softclock+0x130 sys/kern/kern_timeout.c:710 softintr_dispatch(0) at softintr_dispatch+0xfb sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x7d7c58732c50, count: -10 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002e409490 rbx 0xffffffff82bc1b8f cpu_info_full_primary+0x2b8f rdx 0 rcx 0xffff800021236850 rax 0xffffffff82bc0ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x1d12f65c834bc23c r11 0x729fe674073d1df5 r12 0xffffffff82bc1990 cpu_info_full_primary+0x2990 r13 0 r14 0 r15 0x1 rip 0xffffffff81e7075c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80002e409480 ss 0 db_enter+0x1c: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.6) pid=229083 stat=onproc flags process=0 proc=0 pri=69, usrpri=83, nice=20 forw=0xffffffffffffffff, list=0xffff800021236dc0,0xffff8000212375f8 process=0xffff8000212b5d68 user=0xffff80002e404000, vmspace=0xfffffd806690c760 estcpu=33, cpticks=0, pctcpu=1.6 user=0, sys=0, intr=104 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 71277 53278 92307 0 2 0 syz-executor.5 *53506 229083 55864 0 7 0 syz-executor.6 53506 135871 55864 0 3 0x4000080 fsleep syz-executor.6 53506 222559 55864 0 2 0x4000000 syz-executor.6 40389 499130 5927 0 2 0 syz-executor.3 34959 512562 60768 0 3 0x3800 suspend syz-executor.0 34959 366697 60768 0 2 0x40818a0 syz-executor.0 74249 3541 4884 0 2 0 syz-executor.2 74249 323137 4884 0 3 0x4000080 fsleep syz-executor.2 20032 452110 66762 0 2 0 syz-executor.1 20032 275854 66762 0 2 0x4000000 syz-executor.1 20032 364804 66762 0 3 0x4000080 fsleep syz-executor.1 5927 34288 94377 0 2 0x482 syz-executor.3 66762 507416 94377 0 2 0x2 syz-executor.1 97535 335393 94377 0 2 0x482 syz-executor.4 67802 409037 0 0 3 0x14200 bored sosplice 55864 498123 94377 0 2 0x482 syz-executor.6 70905 90082 94377 0 3 0x82 wait syz-executor.7 92307 432936 94377 0 2 0x2 syz-executor.5 4884 449568 94377 0 2 0x482 syz-executor.2 60768 392782 94377 0 3 0x82 nanoslp syz-executor.0 94377 399030 5373 0 2 0x2 syz-fuzzer 94377 14017 5373 0 2 0x4000482 syz-fuzzer 94377 502491 5373 0 3 0x4000082 thrsleep syz-fuzzer 94377 81769 5373 0 3 0x4000082 wait syz-fuzzer 94377 213411 5373 0 3 0x4000082 wait syz-fuzzer 94377 72968 5373 0 3 0x4000082 thrsleep syz-fuzzer 94377 463249 5373 0 3 0x4000082 wait syz-fuzzer 94377 347118 5373 0 3 0x4000082 wait syz-fuzzer 94377 197835 5373 0 3 0x4000082 thrsleep syz-fuzzer 94377 464511 5373 0 3 0x4000082 wait syz-fuzzer 94377 510131 5373 0 3 0x4000082 thrsleep syz-fuzzer 94377 277948 5373 0 3 0x4000082 thrsleep syz-fuzzer 94377 68622 5373 0 3 0x4000082 thrsleep syz-fuzzer 94377 330330 5373 0 3 0x4000082 wait syz-fuzzer 94377 482849 5373 0 3 0x4000082 wait syz-fuzzer 94377 81987 5373 0 3 0x4000082 wait syz-fuzzer 5373 57653 10959 0 3 0x10008a sigsusp ksh 10959 494495 81748 0 3 0x9a kqread sshd 52594 508959 1 0 3 0x100083 ttyin getty 81748 218803 1 0 3 0x88 kqread sshd 18139 254798 90765 74 7 0x1100492 pflogd 90765 79014 1 0 3 0x80 netio pflogd 38648 283171 17848 73 3 0x1100090 kqread syslogd 17848 340642 1 0 3 0x100082 netio syslogd 88475 196410 1 0 3 0x100080 kqread resolvd 81744 107163 19342 77 3 0x100092 kqread dhcpleased 28197 416985 19342 77 3 0x100092 kqread dhcpleased 19342 78511 1 0 3 0x80 kqread dhcpleased 93564 374502 0 0 3 0x14200 bored smr 61559 111780 0 0 2 0x14200 zerothread 74318 144238 0 0 3 0x14200 aiodoned aiodoned 10591 507471 0 0 3 0x14200 syncer update 65243 62384 0 0 3 0x14200 cleaner cleaner 80840 139293 0 0 3 0x14200 reaper reaper 44889 194776 0 0 3 0x14200 pgdaemon pagedaemon 37751 244166 0 0 3 0x14200 bored viomb 1845 47024 0 0 3 0x40014200 acpi0 acpi0 19832 294757 0 0 3 0x40014200 idle1 95632 27690 0 0 3 0x14200 bored softnet3 7705 62684 0 0 3 0x14200 bored softnet2 43278 432190 0 0 3 0x14200 bored softnet1 23469 181125 0 0 3 0x14200 bored softnet0 73086 91661 0 0 3 0x14200 bored systqmp 82664 7660 0 0 3 0x14200 bored systq 83778 122715 0 0 3 0x40014200 bored softclock 65438 395987 0 0 3 0x40014200 idle0 1 334356 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 (0xffffffff82d49f30) #0 witness_lock+0x447 #1 schedcpu+0x119 sys/kern/sched_bsd.c:219 #2 timeout_run+0xd0 sys/kern/kern_timeout.c:640 #3 softclock_process_tick_timeout+0x1b0 sys/kern/kern_timeout.c:687 #4 softclock+0x130 sys/kern/kern_timeout.c:710 #5 softintr_dispatch+0xfb sys/arch/amd64/amd64/softintr.c:90 #6 Xsoftclock+0x27 shared mutex timeout r = 0 (0xffffffff82c46d90) #0 witness_lock+0x447 #1 timeout_run+0xbb sys/kern/kern_timeout.c:636 #2 softclock_process_tick_timeout+0x1b0 sys/kern/kern_timeout.c:687 #3 softclock+0x130 sys/kern/kern_timeout.c:710 #4 softintr_dispatch+0xfb sys/arch/amd64/amd64/softintr.c:90 #5 Xsoftclock+0x27 Process 53506 (syz-executor.6) thread 0xffff800021236850 (229083) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82c95e90) #0 witness_lock+0x447 #1 softintr_dispatch+0x52 sys/arch/amd64/amd64/softintr.c:88 #2 Xsoftclock+0x27 exclusive sched_lock &sched_lock r = 0 (0xffffffff82d49f30) #0 witness_lock+0x447 #1 schedcpu+0x119 sys/kern/sched_bsd.c:219 #2 timeout_run+0xd0 sys/kern/kern_timeout.c:640 #3 softclock_process_tick_timeout+0x1b0 sys/kern/kern_timeout.c:687 #4 softclock+0x130 sys/kern/kern_timeout.c:710 #5 softintr_dispatch+0xfb sys/arch/amd64/amd64/softintr.c:90 #6 Xsoftclock+0x27 shared mutex timeout r = 0 (0xffffffff82c46d90) #0 witness_lock+0x447 #1 timeout_run+0xbb sys/kern/kern_timeout.c:636 #2 softclock_process_tick_timeout+0x1b0 sys/kern/kern_timeout.c:687 #3 softclock+0x130 sys/kern/kern_timeout.c:710 #4 softintr_dispatch+0xfb sys/arch/amd64/amd64/softintr.c:90 #5 Xsoftclock+0x27 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10189 6484K 6993K 78643K 15030 0 pcb 13 13K 15K 78643K 275 0 rtable 239 7K 7K 78643K 547 0 pf 32 9K 10K 78643K 119 0 ifaddr 45 15K 16K 78643K 100 0 ifgroup 55 2K 2K 78643K 177 0 sysctl 2 0K 0K 78643K 2 0 counters 60 35K 36K 78643K 122 0 ioctlops 0 0K 4K 78643K 1615 0 iov 0 0K 26K 78643K 393 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1426 89K 89K 78643K 2675 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 39 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 658 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 17 61K 85K 78643K 3561 0 sigio 0 0K 0K 78643K 40 0 proc 72 91K 115K 78643K 811 0 subproc 104 6K 7K 78643K 182 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 229 0 in_multi 99 7K 7K 78643K 182 0 ether_multi 1 0K 0K 78643K 3 0 mrt 1 0K 0K 78643K 3 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 73 334K 334K 78643K 73 0 exec 0 0K 1K 78643K 1103 0 pfkey data 0 0K 0K 78643K 2 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 370 102K 103K 78643K 36832 0 UVM aobj 131 4K 4K 78643K 131 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 50 0 NDP 12 0K 2K 78643K 71 0 temp 74 5876K 6008K 78643K 29383 0 kqueue 12 18K 24K 78643K 243 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 75 0 72 1 0 1 1 0 8 0 rtentry 112 178 0 67 4 0 4 4 0 8 0 unpcb 144 1885 0 1870 25 24 1 6 0 8 0 syncache 296 28 0 28 8 8 0 1 0 8 0 tcpqe 32 439 0 439 8 8 0 2 0 8 0 tcpcb 808 2817 0 2811 59 56 3 18 0 8 1 arp 120 30 0 12 1 0 1 1 0 8 0 inpcb 368 4932 0 4922 53 49 4 17 0 8 2 nd6 136 43 0 18 1 0 1 1 0 8 0 pkpcb 40 67 0 67 1 1 0 1 0 8 0 kcovpl 48 14 0 6 1 0 1 1 0 8 0 ppxss 1256 8 0 8 3 3 0 1 0 8 0 pffrag 232 36 0 34 3 2 1 1 0 482 0 pffrnode 88 36 0 34 3 2 1 1 0 8 0 pffrent 40 77 0 75 3 2 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 102 0 93 1 0 1 1 0 8 0 pfstkey 128 102 0 93 2 1 1 2 0 8 0 pfstate 376 102 0 93 5 2 3 4 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 724 0 264 29 0 29 29 0 8 0 art_table 32 725 0 264 4 0 4 4 0 8 0 art_node 16 177 0 76 1 0 1 1 0 8 0 sysvmsgpl 40 20 0 13 1 0 1 1 0 8 0 semapl 112 656 0 646 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 5853 0 4401 92 0 92 92 0 8 0 ffsino 272 5853 0 4401 98 0 98 98 0 8 0 nchpl 144 10672 0 10172 63 40 23 63 0 8 0 uvmvnodes 80 4450 0 0 91 0 91 91 0 8 0 vnodes 216 4450 0 0 248 0 248 248 0 8 0 namei 1024 35973 0 35973 2 1 1 2 0 8 1 percpumem 16 74 0 31 1 0 1 1 0 8 0 kstatmem 264 86 0 62 2 0 2 2 0 8 0 scxspl 216 32558 0 32558 19 18 1 8 1 8 1 plimitpl 152 277 0 260 1 0 1 1 0 8 0 sigapl 424 3884 0 3835 9 3 6 8 0 8 0 futexpl 64 27506 0 27502 1 0 1 1 0 8 0 knotepl 120 621 0 0 19 0 19 19 0 8 0 kqueuepl 216 480 0 472 7 6 1 5 0 8 0 pipepl 320 1055 0 1027 33 30 3 11 0 8 0 fdescpl 496 3846 0 3816 5 1 4 5 0 8 0 filepl 152 24096 0 23849 47 37 10 18 0 8 0 lockfpl 104 1214 0 1211 2 1 1 2 0 8 0 lockfspl 48 422 0 419 1 0 1 1 0 8 0 sessionpl 144 30 0 13 1 0 1 1 0 8 0 pgrppl 48 258 0 241 1 0 1 1 0 8 0 ucredpl 104 3072 0 3059 1 0 1 1 0 8 0 zombiepl 144 3837 0 3835 1 0 1 1 0 8 0 processpl 1072 3884 0 3835 5 1 4 5 0 8 0 procpl 696 9998 0 9928 15 7 8 10 0 8 0 sosppl 168 36 0 36 3 2 1 1 0 8 1 sockpl 488 7013 0 6985 114 106 8 25 0 8 2 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 17 0 0 3 0 3 3 0 8 0 mcl12k 12288 17 0 0 2 0 2 2 0 8 0 mcl9k 9216 8 0 0 1 0 1 1 0 8 0 mcl8k 8192 25 0 0 4 1 3 3 0 8 0 mcl4k 4096 22 0 0 3 0 3 3 0 8 0 mcl2k2 2112 7 0 0 1 0 1 1 0 8 0 mcl2k 2048 269 0 0 33 3 30 33 0 8 0 mtagpl 96 379 0 0 10 0 10 10 0 8 0 mbufpl 256 1377 0 0 82 0 82 82 0 8 0 bufpl 288 9686 0 3369 452 0 452 452 0 8 0 anonpl 24 498777 0 486456 111 25 86 100 0 186 0 amapchunkpl 152 117516 0 116451 56 13 43 44 0 158 2 amappl16 200 11660 0 11298 47 27 20 30 0 8 0 amappl15 192 9 0 8 1 0 1 1 0 8 0 amappl14 184 188 0 171 2 1 1 2 0 8 0 amappl13 176 42 0 42 1 1 0 1 0 8 0 amappl12 168 4590 0 4560 3 1 2 2 0 8 0 amappl11 160 78 0 63 1 0 1 1 0 8 0 amappl10 152 53 0 42 1 0 1 1 0 8 0 amappl9 144 237 0 237 7 7 0 2 0 8 0 amappl8 136 359 0 268 5 1 4 4 0 8 0 amappl7 128 99 0 82 1 0 1 1 0 8 0 amappl6 120 335 0 314 2 1 1 2 0 8 0 amappl5 112 251 0 241 1 0 1 1 0 8 0 amappl4 104 785 0 737 3 1 2 3 0 8 0 amappl3 96 22866 0 22779 4 1 3 3 0 8 0 amappl2 88 4191 0 4118 3 1 2 3 0 8 0 amappl1 80 22352 0 21794 23 10 13 23 0 8 0 amappl 88 36164 0 35929 6 0 6 6 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 3846 0 3816 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3846 0 3816 1 0 1 1 0 8 0 vmmpekpl 168 35125 0 35058 4 0 4 4 0 8 0 vmmpepl 168 245648 0 243287 183 74 109 128 0 357 3 vmsppl 464 3845 0 3816 5 1 4 5 0 8 0 rwobjpl 56 69663 0 63594 89 3 86 86 0 8 0 pdppl 4096 7700 0 7632 252 182 70 80 0 8 2 pvpl 32 1254958 0 1236782 368 207 161 368 0 265 3 pmappl 248 3845 0 3816 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1175 0 297 26 0 26 26 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(ffffffff8279e355) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff82818f49,ffffffff82821730,109,ffffffff828413bd) at __assert+0x29 sys/kern/subr_prf.c:157 setrunqueue(ffffffff82bc0ff0,ffff800021237078,4d) at setrunqueue+0x2e5 sys/kern/kern_sched.c:263 schedcpu(ffffffff82d49f78) at schedcpu+0x28b sys/kern/sched_bsd.c:236 timeout_run(ffffffff82d49f78) at timeout_run+0xd0 sys/kern/kern_timeout.c:640 softclock_process_tick_timeout(ffffffff82d49f78,0) at softclock_process_tick_timeout+0x1b0 sys/kern/kern_timeout.c:687 softclock(0) at softclock+0x130 sys/kern/kern_timeout.c:710 softintr_dispatch(0) at softintr_dispatch+0xfb sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x7d7c58732c50, 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+0x27 __mp_lock(ffffffff82c95c88) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82c95c88) at __mp_lock+0x122 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff82c95c88,1) at __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x440 sys/kern/sched_bsd.c:420 sleep_finish(33,1) at sleep_finish+0x184 sys/kern/kern_synch.c:411 msleep(ffff800000ce1000,ffff800000ce1008,11a,ffffffff82834ae3,33) at msleep+0xea sys/kern/kern_synch.c:249 bpfread(21700,ffff800021203718,0) at bpfread+0x232 spec_read(ffff800021203570) at spec_read+0xfa sys/kern/spec_vnops.c:215 VOP_READ(fffffd806e3c6d00,ffff800021203718,0,fffffd807f7d67b8) at VOP_READ+0xc3 sys/kern/vfs_vops.c:227 vn_read(fffffd806e494730,ffff800021203718,0) at vn_read+0x12a sys/kern/vfs_vnops.c:369 dofilereadv(ffff800021217b48,4,ffff800021203718,0,ffff800021203800) at dofilereadv+0x1a2 sys/kern/sys_generic.c:247 sys_read(ffff800021217b48,ffff8000212037b0,ffff800021203800) at sys_read+0x87 sys/kern/sys_generic.c:167 end trace frame: 0xffff800021203870, count: 0 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+0x27 __mp_lock(ffffffff82c95c88) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82c95c88) at __mp_lock+0x122 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff82c95c88,1) at __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x440 sys/kern/sched_bsd.c:420 sleep_finish(33,1) at sleep_finish+0x184 sys/kern/kern_synch.c:411 msleep(ffff800000ce1000,ffff800000ce1008,11a,ffffffff82834ae3,33) at msleep+0xea sys/kern/kern_synch.c:249 bpfread(21700,ffff800021203718,0) at bpfread+0x232 spec_read(ffff800021203570) at spec_read+0xfa sys/kern/spec_vnops.c:215 VOP_READ(fffffd806e3c6d00,ffff800021203718,0,fffffd807f7d67b8) at VOP_READ+0xc3 sys/kern/vfs_vops.c:227 vn_read(fffffd806e494730,ffff800021203718,0) at vn_read+0x12a sys/kern/vfs_vnops.c:369 dofilereadv(ffff800021217b48,4,ffff800021203718,0,ffff800021203800) at dofilereadv+0x1a2 sys/kern/sys_generic.c:247 sys_read(ffff800021217b48,ffff8000212037b0,ffff800021203800) at sys_read+0x87 sys/kern/sys_generic.c:167 syscall(ffff800021203880) at syscall+0x606 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff800021203880) at syscall+0x606 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75543a528030, count: -16