panic: kernel diagnostic assertion "(pg->pg_flags & (PQ_INACTIVE|PQ_ACTIVE)) == 0" failed: file "/syzkaller/managers/setuid/kernel/sys/uvm/uvm_page.c", line 1236 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 318919 45745 32767 0x10 0 1 syz-executor * 55941 37050 32767 0x10 0x4000000 0K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833b665a) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833f0e63,ffffffff833451ec,4d4,ffffffff8342187a) at __assert+0x29 sys/kern/subr_prf.c:-1 uvm_pagewire(fffffd8008238b50) at uvm_pagewire+0x1cd sys/uvm/uvm_page.c:1228 uvm_fault_upper(ffff80002f7cdd00,ffff80002f7cdd38,ffff80002f7cdc00) at uvm_fault_upper+0x409 sys/uvm/uvm_fault.c:1159 uvm_fault(fffffd800f761b98,200000001000,2,3) at uvm_fault+0x198 sys/uvm/uvm_fault.c:635 uvm_fault_wire(fffffd800f761b98,200000001000,200000002000,3) at uvm_fault_wire+0x73 sys/uvm/uvm_fault.c:1703 uvm_map_pageable_wire(fffffd800f761b98,fffffd806cdd1a30,fffffd806cc47440,630,40,0) at uvm_map_pageable_wire+0x3dc sys/uvm/uvm_map.c:2125 sysctl_vslock(2000000011c0,4) at sysctl_vslock+0x106 sys/kern/kern_sysctl.c:201 kern_sysctl(ffff80002f7ce134,1,2000000011c0,ffff80002f7ce168,0,0,fa884490ddba4031) at kern_sysctl+0xd17 sys/kern/kern_sysctl.c:726 sys_sysctl(ffff80003c40c550,ffff80002f7ce2a0,ffff80002f7ce1f0) at sys_sysctl+0x3e5 sys/kern/kern_sysctl.c:-1 syscall(ffff80002f7ce2a0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002f7ce2a0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1935c815a20, count: 2 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 "(pg->pg_flags & (PQ_INACTIVE|PQ_ACTIVE)) == 0" failed: file "/syzkaller/managers/setuid/kernel/sys/uvm/uvm_page.c", line 1236 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833b665a) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833f0e63,ffffffff833451ec,4d4,ffffffff8342187a) at __assert+0x29 sys/kern/subr_prf.c:-1 uvm_pagewire(fffffd8008238b50) at uvm_pagewire+0x1cd sys/uvm/uvm_page.c:1228 uvm_fault_upper(ffff80002f7cdd00,ffff80002f7cdd38,ffff80002f7cdc00) at uvm_fault_upper+0x409 sys/uvm/uvm_fault.c:1159 uvm_fault(fffffd800f761b98,200000001000,2,3) at uvm_fault+0x198 sys/uvm/uvm_fault.c:635 uvm_fault_wire(fffffd800f761b98,200000001000,200000002000,3) at uvm_fault_wire+0x73 sys/uvm/uvm_fault.c:1703 uvm_map_pageable_wire(fffffd800f761b98,fffffd806cdd1a30,fffffd806cc47440,630,40,0) at uvm_map_pageable_wire+0x3dc sys/uvm/uvm_map.c:2125 sysctl_vslock(2000000011c0,4) at sysctl_vslock+0x106 sys/kern/kern_sysctl.c:201 kern_sysctl(ffff80002f7ce134,1,2000000011c0,ffff80002f7ce168,0,0,fa884490ddba4031) at kern_sysctl+0xd17 sys/kern/kern_sysctl.c:726 sys_sysctl(ffff80003c40c550,ffff80002f7ce2a0,ffff80002f7ce1f0) at sys_sysctl+0x3e5 sys/kern/kern_sysctl.c:-1 syscall(ffff80002f7ce2a0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002f7ce2a0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1935c815a20, count: -13 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002f7cda40 rbx 0xffffffff838a1e07 cpu_info_full_primary+0x2e07 rdx 0xffff80000143cc00 rcx 0xffff80003c40c550 rax 0xffffffff838a0ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xb49c31bf93dc0fd9 r11 0x274c22cb9bdc5e8f r12 0xffffffff838a1c08 cpu_info_full_primary+0x2c08 r13 0 r14 0 r15 0x1 rip 0xffffffff82e80445 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002f7cda30 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=55941 pid=37050 tcnt=2 stat=onproc flags process=10 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c40c7e8,0xffff80003c40cd28 process=0xffff80003c429d00 user=0xffff80002f7c9000, vmspace=0xfffffd800f761b98 estcpu=36, cpticks=3, pctcpu=0.0, user=0, sys=3, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 42387 327261 39036 32767 3 0x3010 suspend syz-executor 42387 175452 39036 32767 2 0x4081010 syz-executor 89425 102212 43513 32767 2 0x10 syz-executor 89425 377585 43513 32767 3 0x4000090 fsleep syz-executor 45745 318919 44897 32767 7 0x10 syz-executor 45745 521595 44897 32767 2 0x4000c90 syz-executor 37050 415259 20906 32767 2 0x10 syz-executor *37050 55941 20906 32767 7 0x4000010 syz-executor 53510 481428 88749 32767 2 0x10 syz-executor 53510 465572 88749 32767 3 0x4000090 fsleep syz-executor 65390 234003 79630 32767 2 0x10 syz-executor 65390 160485 79630 32767 3 0x4000090 fsleep syz-executor 65390 512530 79630 32767 3 0x4000090 fsleep syz-executor 39036 277977 83198 32767 2 0xc90 syz-executor 44897 404709 25131 32767 2 0xc90 syz-executor 79630 233648 82536 32767 2 0xc90 syz-executor 43513 147450 32869 32767 2 0xc90 syz-executor 29580 205250 520 32767 2 0x10 syz-executor 20906 125498 79145 32767 2 0xc90 syz-executor 88749 473285 87199 32767 2 0xc90 syz-executor 82438 217769 39781 0 3 0x82 wait syz-executor 32869 314991 39781 0 3 0x82 wait syz-executor 25131 294196 39781 0 3 0x82 wait syz-executor 82536 30651 39781 0 3 0x82 wait syz-executor 520 111176 39781 0 3 0x82 wait syz-executor 79145 462990 39781 0 3 0x82 wait syz-executor 83198 182455 39781 0 3 0x82 wait syz-executor 87199 256987 39781 0 3 0x82 wait syz-executor 39781 26197 49151 0 3 0x82 kqread syz-executor 49151 486505 35956 0 3 0x10008a sigsusp ksh 35956 172123 20536 0 3 0x98 kqread sshd-session 20536 503654 11675 0 3 0x92 kqread sshd-session 11393 368001 1 0 3 0x100083 ttyin getty 11675 93405 1 0 3 0x88 kqread sshd 87194 217618 49355 73 3 0x1100090 kqread syslogd 49355 190356 1 0 3 0x100082 sbwait syslogd 71938 384764 1 0 3 0x100080 kqread resolvd 57881 353255 46449 77 3 0x100092 kqread dhcpleased 22101 414033 46449 77 3 0x100092 kqread dhcpleased 46449 476575 1 0 3 0x80 kqread dhcpleased 30995 75762 0 0 3 0x14200 bored smr 98990 253790 0 0 2 0x14200 zerothread 25476 185087 0 0 3 0x14200 aiodoned aiodoned 95118 176609 0 0 3 0x14200 syncer update 22151 172120 0 0 3 0x14200 cleaner cleaner 4156 492311 0 0 3 0x14200 reaper reaper 50486 348909 0 0 3 0x14200 pgdaemon pagedaemon 87043 466634 0 0 3 0x14200 bored viomb 31503 69318 0 0 3 0x40014200 acpi0 acpi0 18550 277929 0 0 3 0x40014200 idle1 94789 276879 0 0 3 0x14200 bored softnet1 33486 367018 0 0 3 0x14200 bored softnet0 17542 238837 0 0 3 0x14200 bored systqmp 98266 79802 0 0 3 0x14200 bored systq 30272 82993 0 0 3 0x14200 tmoslp softclockmp 96449 430832 0 0 3 0x40014200 tmoslp softclock 9517 287543 0 0 3 0x40014200 idle0 1 130132 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 37050 (syz-executor) thread 0xffff80003c40c550 (55941) exclusive rwlock amaplk r = 0 (0xfffffd806c76d998) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 uvm_fault_check+0x8a9 sys/uvm/uvm_fault.c:834 #3 uvm_fault+0x106 sys/uvm/uvm_fault.c:627 #4 uvm_fault_wire+0x73 sys/uvm/uvm_fault.c:1703 #5 uvm_map_pageable_wire+0x3dc sys/uvm/uvm_map.c:2125 #6 sysctl_vslock+0x106 sys/kern/kern_sysctl.c:201 #7 kern_sysctl+0xd17 sys/kern/kern_sysctl.c:726 #8 sys_sysctl+0x3e5 sys/kern/kern_sysctl.c:-1 #9 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #10 Xsyscall+0x128 shared rwlock vmmaplk r = 0 (0xfffffd800f761c98) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880 #3 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:627 #5 uvm_fault_wire+0x73 sys/uvm/uvm_fault.c:1703 #6 uvm_map_pageable_wire+0x3dc sys/uvm/uvm_map.c:2125 #7 sysctl_vslock+0x106 sys/kern/kern_sysctl.c:201 #8 kern_sysctl+0xd17 sys/kern/kern_sysctl.c:726 #9 sys_sysctl+0x3e5 sys/kern/kern_sysctl.c:-1 #10 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #11 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff839a1c48) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 sysctl_vslock+0x80 sys/kern/kern_sysctl.c:196 #2 kern_sysctl+0xd17 sys/kern/kern_sysctl.c:726 #3 sys_sysctl+0x3e5 sys/kern/kern_sysctl.c:-1 #4 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #4 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #5 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff837c0dc8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:191 #3 kern_sysctl+0xd17 sys/kern/kern_sysctl.c:726 #4 sys_sysctl+0x3e5 sys/kern/kern_sysctl.c:-1 #5 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #6 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10193 10958K 10973K 166960K 11284 0 pcb 17 12K 12K 166960K 17 0 rtable 241 6K 7K 166960K 367 0 pf 31 16K 16K 166960K 31 0 ifaddr 42 7K 7K 166960K 44 0 ifgroup 50 2K 2K 166960K 50 0 sysctl 4 1K 9K 166960K 9 0 counters 70 37K 37K 166960K 70 0 ioctlops 0 0K 2K 166960K 34 0 iov 0 0K 20K 166960K 26 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1336 84K 84K 166960K 1371 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 12 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 40 0 dirhash 12 2K 2K 166960K 24 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 24 89K 125K 166960K 445 0 sigio 0 0K 0K 166960K 6 0 proc 61 115K 163K 166960K 523 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 136 0 in_multi 99 7K 7K 166960K 111 0 ether_multi 1 0K 0K 166960K 5 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 91 413K 413K 166960K 91 0 exec 0 0K 1K 166960K 398 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 252 169K 192K 166960K 5818 0 UVM aobj 13 2K 3K 166960K 17 0 pinsyscall 45 90K 112K 166960K 1526 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 35 0 NDP 11 0K 2K 166960K 27 0 temp 69 8678K 8742K 166960K 5145 0 kqueue 13 20K 28K 166960K 85 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 26 0 0 1 0 1 1 0 8 0 rtpcb 120 50 0 47 1 0 1 1 0 8 0 rtentry 176 115 0 3 6 0 6 6 0 8 0 unpcb 144 441 0 426 5 0 5 5 0 8 4 syncache 336 13 0 13 1 0 1 1 0 8 1 tcpqe 32 8 0 8 1 0 1 1 0 8 1 tcpcb 736 159 0 148 2 0 2 2 0 8 0 arp 136 19 0 0 1 0 1 1 0 8 0 ipq 40 2 0 0 1 0 1 1 0 8 0 ipqe 40 2 0 0 1 0 1 1 0 8 0 inpcb 328 473 0 456 5 0 5 5 0 8 2 nd6 152 27 0 2 2 0 2 2 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 468 0 4 29 0 29 29 0 8 0 art_table 40 469 0 4 5 0 5 5 0 8 0 art_node 32 115 0 13 1 0 1 1 0 8 0 sysvmsgpl 40 9 0 8 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 37 0 27 1 0 1 1 0 8 0 shmpl 112 14 0 4 1 0 1 1 0 8 0 dirhash 1024 25 0 8 3 0 3 3 0 8 0 dino2pl 256 1993 0 481 95 0 95 95 0 8 0 ffsino 296 1993 0 481 117 0 117 117 0 8 0 nchpl 144 2638 0 947 63 0 63 63 0 8 0 vnodes 216 2074 0 0 116 0 116 116 0 8 0 namei 1024 8243 0 8243 1 0 1 1 0 8 1 percpumem 16 50 0 0 1 0 1 1 0 8 0 kstatmem 264 24 0 0 2 0 2 2 0 8 0 scxspl 216 8725 0 8725 10 2 8 8 1 8 8 plimitpl 152 96 0 70 2 0 2 2 0 8 0 sigapl 424 734 0 682 7 0 7 7 0 8 0 knotepl 120 607 0 0 19 0 19 19 0 8 0 kqueuepl 224 146 0 135 3 0 3 3 0 8 2 pipepl 344 145 0 117 3 0 3 3 0 8 0 fdescpl 528 718 0 682 4 0 4 4 0 8 0 filepl 160 3587 0 3370 14 0 14 14 0 8 4 lockfpl 104 230 0 227 2 0 2 2 0 8 1 lockfspl 48 37 0 34 1 0 1 1 0 8 0 sessionpl 144 29 0 13 1 0 1 1 0 8 0 pgrppl 48 39 0 15 1 0 1 1 0 8 0 ucredpl 104 516 0 497 1 0 1 1 0 8 0 zombiepl 144 684 0 682 1 0 1 1 0 8 0 processpl 1232 734 0 682 5 0 5 5 0 8 0 procpl 664 1230 0 1171 7 0 7 7 0 8 1 sosppl 176 2 0 2 1 0 1 1 0 8 1 sockpl 752 972 0 937 14 0 14 14 0 8 9 mcl64k 65536 16 0 0 2 0 2 2 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 124 0 0 16 0 16 16 0 8 0 mcl2k 2048 23 0 0 3 0 3 3 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 323 0 0 21 0 21 21 0 8 0 bufpl 280 2822 0 121 193 0 193 193 0 8 0 anonpl 32 6376 0 0 52 0 52 52 0 246 0 amapchunkpl 152 18228 0 17571 31 0 31 31 0 158 5 amappl16 200 1995 0 1971 5 2 3 5 0 8 0 amappl15 192 4 0 4 1 1 0 1 0 8 0 amappl14 184 6 0 6 1 1 0 1 0 8 0 amappl13 176 397 0 396 1 0 1 1 0 8 0 amappl12 168 1100 0 1055 3 0 3 3 0 8 0 amappl11 160 10 0 10 1 1 0 1 0 8 0 amappl10 152 47 0 37 1 0 1 1 0 8 0 amappl9 144 255 0 255 1 1 0 1 0 8 0 amappl8 136 21 0 20 1 0 1 1 0 8 0 amappl7 128 77 0 76 1 0 1 1 0 8 0 amappl6 120 267 0 256 1 0 1 1 0 8 0 amappl5 112 114 0 106 1 0 1 1 0 8 0 amappl4 104 399 0 377 1 0 1 1 0 8 0 amappl3 96 3312 0 3192 4 0 4 4 0 8 0 amappl2 88 575 0 520 2 0 2 2 0 8 0 amappl1 80 12056 0 11488 17 1 16 17 0 8 1 amappl 88 5038 0 4857 5 0 5 5 0 92 0 uvmvnodes 80 111 0 0 3 0 3 3 0 8 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 16 0 4 1 0 1 1 0 8 0 uaddrrnd 24 718 0 682 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 718 0 682 1 0 1 1 0 8 0 vmmpekpl 168 7961 0 7919 3 0 3 3 0 8 0 vmmpepl 168 54774 0 52767 105 0 105 105 0 357 13 vmsppl 488 717 0 682 7 1 6 6 0 8 1 rwobjpl 80 18071 0 17113 24 0 24 24 0 8 2 pdppl 4096 1443 0 1364 107 24 83 97 0 8 4 pvpl 32 13775 0 0 112 0 112 112 0 265 0 pmappl 256 717 0 682 4 1 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 289 0 27 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833b665a) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833f0e63,ffffffff833451ec,4d4,ffffffff8342187a) at __assert+0x29 sys/kern/subr_prf.c:-1 uvm_pagewire(fffffd8008238b50) at uvm_pagewire+0x1cd sys/uvm/uvm_page.c:1228 uvm_fault_upper(ffff80002f7cdd00,ffff80002f7cdd38,ffff80002f7cdc00) at uvm_fault_upper+0x409 sys/uvm/uvm_fault.c:1159 uvm_fault(fffffd800f761b98,200000001000,2,3) at uvm_fault+0x198 sys/uvm/uvm_fault.c:635 uvm_fault_wire(fffffd800f761b98,200000001000,200000002000,3) at uvm_fault_wire+0x73 sys/uvm/uvm_fault.c:1703 uvm_map_pageable_wire(fffffd800f761b98,fffffd806cdd1a30,fffffd806cc47440,630,40,0) at uvm_map_pageable_wire+0x3dc sys/uvm/uvm_map.c:2125 sysctl_vslock(2000000011c0,4) at sysctl_vslock+0x106 sys/kern/kern_sysctl.c:201 kern_sysctl(ffff80002f7ce134,1,2000000011c0,ffff80002f7ce168,0,0,fa884490ddba4031) at kern_sysctl+0xd17 sys/kern/kern_sysctl.c:726 sys_sysctl(ffff80003c40c550,ffff80002f7ce2a0,ffff80002f7ce1f0) at sys_sysctl+0x3e5 sys/kern/kern_sysctl.c:-1 syscall(ffff80002f7ce2a0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002f7ce2a0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1935c815a20, count: -13 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299edff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 end of kernel end trace frame: 0x7aa4ac825420, count: 12 ddb{1}> trace x86_ipi_db(ffff8000299edff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 end of kernel end trace frame: 0x7aa4ac825420, count: -3