panic: vop_generic_bapdaonpi c: kernel diagnostic assertion "!_kernel_lock_held()" failed: file "/syzkaller/managers/setuid/kernel/sys/kern/kern_fork.c", line 675 Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *430782 46366 32767 0x10 0 1 syz-executor.4 99835 89838 32767 0x10 0 0 syz-executor.5 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff827953b0) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff828133f3,ffffffff827d5520,2a3,ffffffff827cd4dc) at __assert+0x29 sys/kern/subr_prf.c:157 proc_trampoline_mp() at proc_trampoline_mp+0x135 end trace frame: 0x0, count: 11 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{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu0: vop_generic_badop cpu1: kernel diagnostic assertion "!_kernel_lock_held()" failed: file "/syzkaller/managers/setuid/kernel/sys/kern/kern_fork.c", line 675 ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff827953b0) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff828133f3,ffffffff827d5520,2a3,ffffffff827cd4dc) at __assert+0x29 sys/kern/subr_prf.c:157 proc_trampoline_mp() at proc_trampoline_mp+0x135 end trace frame: 0x0, count: -4 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002e419140 rbx 0xffff800020d59b8f rdx 0 rcx 0 rax 0xffff8000212a8dd0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x63ae3b63ec08f8a9 r11 0xfa61a984c5a396b2 r12 0xffff800020d59990 r13 0 r14 0xffffffff82c07990 cpu_info_full_primary+0x2990 r15 0x1 rip 0xffffffff8148419c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80002e419130 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.4) pid=430782 stat=onproc flags process=10 proc=0 pri=71, usrpri=71, nice=20 forw=0xffffffffffffffff, list=0xffff8000212202d8,0xffffffff82d57790 process=0xffff80002614cca8 user=0xffff80002e414000, vmspace=0xfffffd806819a938 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND *46366 430782 76114 32767 7 0x10 syz-executor.4 49186 357667 77421 32767 2 0x10 syz-executor.1 49186 47147 77421 32767 2 0x4000010 syz-executor.1 49186 346526 77421 32767 2 0x4000010 syz-executor.1 3389 78461 98401 32767 3 0x90 nanoslp syz-executor.0 3389 148341 98401 32767 3 0x4000090 kqread syz-executor.0 3389 263332 98401 32767 3 0x4000090 fsleep syz-executor.0 28781 216544 9682 0 3 0x82 wait syz-executor.7 95274 5754 66325 32767 3 0x90 nanoslp syz-executor.6 66325 157045 9682 0 3 0x82 wait syz-executor.6 3894 35006 0 0 3 0x14200 bored sosplice 78061 20048 28178 32767 2 0x10 syz-executor.3 89838 99835 91031 32767 7 0x10 syz-executor.5 91031 53518 9682 0 3 0x82 wait syz-executor.5 76114 427214 50637 32767 2 0x10 syz-executor.4 50637 46838 9682 0 3 0x82 wait syz-executor.4 77421 366912 75280 32767 3 0x90 nanoslp syz-executor.1 52947 194081 38891 32767 2 0x10 syz-executor.2 28178 315070 9682 0 3 0x82 wait syz-executor.3 38891 266735 9682 0 3 0x82 wait syz-executor.2 75280 500431 9682 0 3 0x82 wait syz-executor.1 98401 508815 69119 32767 2 0x10 syz-executor.0 69119 471755 9682 0 3 0x82 wait syz-executor.0 9682 485726 26461 0 3 0x82 wait syz-fuzzer 9682 203469 26461 0 3 0x4000082 nanoslp syz-fuzzer 9682 40203 26461 0 3 0x4000082 wait syz-fuzzer 9682 83603 26461 0 3 0x4000082 wait syz-fuzzer 9682 486897 26461 0 3 0x4000082 wait syz-fuzzer 9682 307406 26461 0 3 0x4000082 wait syz-fuzzer 9682 478586 26461 0 3 0x4000082 thrsleep syz-fuzzer 9682 164725 26461 0 3 0x4000082 thrsleep syz-fuzzer 9682 422637 26461 0 3 0x4000082 kqread syz-fuzzer 9682 51153 26461 0 3 0x4000082 wait syz-fuzzer 9682 287056 26461 0 3 0x4000082 thrsleep syz-fuzzer 9682 338995 26461 0 3 0x4000082 thrsleep syz-fuzzer 9682 177421 26461 0 3 0x4000082 wait syz-fuzzer 9682 244874 26461 0 3 0x4000082 thrsleep syz-fuzzer 9682 221405 26461 0 3 0x4000082 thrsleep syz-fuzzer 9682 408819 26461 0 3 0x4000082 wait syz-fuzzer 26461 382491 25189 0 3 0x10008a sigsusp ksh 25189 513275 92452 0 3 0x9a kqread sshd 88054 267647 1 0 3 0x100083 ttyin getty 92452 304436 1 0 3 0x88 kqread sshd 85439 225781 45069 73 3 0x1100090 kqread syslogd 45069 515801 1 0 3 0x100082 netio syslogd 74353 288371 1 0 3 0x100080 kqread resolvd 38306 12938 9583 77 3 0x100092 kqread dhcpleased 42677 427449 9583 77 3 0x100092 kqread dhcpleased 9583 360157 1 0 3 0x80 kqread dhcpleased 57923 26189 0 0 3 0x14200 bored smr 86265 60748 0 0 2 0x14200 zerothread 49417 192909 0 0 3 0x14200 aiodoned aiodoned 52379 22995 0 0 3 0x14200 syncer update 25813 197057 0 0 3 0x14200 cleaner cleaner 72982 353164 0 0 3 0x14200 reaper reaper 14361 273732 0 0 3 0x14200 pgdaemon pagedaemon 47284 158988 0 0 3 0x14200 bored viomb 65677 127220 0 0 3 0x40014200 acpi0 acpi0 22290 473219 0 0 3 0x40014200 idle1 65449 165161 0 0 3 0x14200 bored softnet3 31365 27581 0 0 3 0x14200 bored softnet2 52851 205831 0 0 3 0x14200 bored softnet1 61277 254079 0 0 3 0x14200 bored softnet0 13488 327024 0 0 3 0x14200 bored systqmp 31827 368995 0 0 3 0x14200 bored systq 83603 444581 0 0 3 0x40014200 bored softclock 46026 137899 0 0 3 0x40014200 idle0 1 324881 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 89838 (syz-executor.5) thread 0xffff80002127c030 (99835) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82c55288) #0 witness_lock+0x44d #1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 #2 mi_switch+0x3c3 sys/kern/sched_bsd.c:405 #3 sleep_finish+0x184 sys/kern/kern_synch.c:417 #4 tsleep+0x12b sys/kern/kern_synch.c:155 #5 biowait+0x91 sys/kern/vfs_bio.c:1278 #6 bwrite+0x21f sys/kern/vfs_bio.c:769 #7 ffs_update+0x281 sys/ufs/ffs/ffs_inode.c:113 #8 ufs_mkdir+0x672 sys/ufs/ufs/ufs_vnops.c:1219 #9 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #10 domkdirat+0x125 sys/kern/vfs_syscalls.c:3074 #11 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #11 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 #12 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80698bb6f8) #0 witness_lock+0x44d #1 rw_enter+0x3e5 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8f sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vget+0x200 sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1324 #8 ffs_inode_alloc+0x1c2 sys/ufs/ffs/ffs_alloc.c:394 #9 ufs_mkdir+0xf8 sys/ufs/ufs/ufs_vnops.c:1149 #10 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #11 domkdirat+0x125 sys/kern/vfs_syscalls.c:3074 #12 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #12 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 #13 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8066f68e78) #0 witness_lock+0x44d #1 rw_enter+0x3e5 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8f sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd5 sys/kern/vfs_lookup.c:418 #6 namei+0x55a sys/kern/vfs_lookup.c:250 #7 domkdirat+0x79 sys/kern/vfs_syscalls.c:3059 #8 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #8 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10201 6410K 6419K 78643K 11298 0 pcb 13 12K 14K 78643K 17 0 rtable 236 6K 7K 78643K 571 0 ifaddr 73 24K 24K 78643K 87 0 sysctl 2 0K 2K 78643K 5 0 counters 60 35K 35K 78643K 64 0 ioctlops 0 0K 2K 78643K 35 0 iov 0 0K 36K 78643K 560 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1279 80K 80K 78643K 1611 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 48 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 645 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 21 77K 121K 78643K 2312 0 sigio 0 0K 0K 78643K 171 0 proc 56 78K 103K 78643K 695 0 subproc 104 6K 6K 78643K 130 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 156 0 in_multi 99 6K 6K 78643K 136 0 ether_multi 1 0K 0K 78643K 4 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 199 890K 890K 78643K 199 0 exec 0 0K 1K 78643K 757 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 355 86K 984K 78643K 25380 0 UVM aobj 106 8K 8K 78643K 109 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 75 0 NDP 13 0K 2K 78643K 33 0 temp 125 5866K 5930K 78643K 9603 0 kqueue 14 22K 30K 78643K 266 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> 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 120 149 0 146 1 0 1 1 0 8 0 rtentry 112 138 0 27 4 0 4 4 0 8 0 unpcb 144 2261 0 2247 19 18 1 6 0 8 0 syncache 296 14 0 14 5 4 1 1 0 8 1 tcpqe 32 201 0 201 3 3 0 1 0 8 0 tcpcb 776 795 0 790 25 24 1 14 0 8 0 arp 120 23 0 4 1 0 1 1 0 8 0 ipq 40 11 0 9 1 0 1 1 0 8 0 ipqe 40 25 0 23 1 0 1 1 0 8 0 inpcb 368 3609 0 3599 44 36 8 13 0 8 7 ip6q 72 1 0 1 1 1 0 1 0 8 0 ip6af 40 3 0 3 1 1 0 1 0 8 0 nd6 136 34 0 10 1 0 1 1 0 8 0 kcovpl 48 10 0 2 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 564 0 110 29 0 29 29 0 8 0 art_table 32 565 0 110 4 0 4 4 0 8 0 art_node 16 137 0 36 1 0 1 1 0 8 0 sysvmsgpl 40 25 0 13 1 0 1 1 0 8 0 semapl 112 643 0 633 1 0 1 1 0 8 0 shmpl 112 106 0 3 3 0 3 3 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 4275 0 2829 91 0 91 91 0 8 0 ffsino 272 4275 0 2829 97 0 97 97 0 8 0 nchpl 144 7471 0 5827 63 0 63 63 0 8 0 uvmvnodes 80 4414 0 0 91 0 91 91 0 8 0 vnodes 216 4414 0 0 246 0 246 246 0 8 0 namei 1024 24305 0 24304 3 2 1 2 0 8 0 percpumem 16 45 0 2 1 0 1 1 0 8 0 kstatmem 264 26 0 4 2 0 2 2 0 8 0 scxspl 216 21586 0 21586 12 11 1 8 0 8 1 plimitpl 152 461 0 438 5 4 1 2 0 8 0 sigapl 424 2608 0 2557 7 0 7 7 0 8 0 futexpl 64 23095 0 23094 1 0 1 1 0 8 0 knotepl 120 158 0 0 5 0 5 5 0 8 0 kqueuepl 216 520 0 510 6 3 3 3 0 8 2 pipepl 320 1408 0 1378 20 14 6 9 0 8 3 fdescpl 496 2590 0 2558 7 2 5 6 0 8 0 filepl 152 18060 0 17819 38 23 15 19 0 8 5 lockfpl 104 312 0 310 1 0 1 1 0 8 0 lockfspl 48 67 0 65 1 0 1 1 0 8 0 sessionpl 144 25 0 9 1 0 1 1 0 8 0 pgrppl 48 123 0 107 1 0 1 1 0 8 0 ucredpl 104 2193 0 2175 1 0 1 1 0 8 0 zombiepl 144 2559 0 2557 1 0 1 1 0 8 0 processpl 1072 2608 0 2557 5 1 4 5 0 8 0 procpl 696 6807 0 6737 12 3 9 9 0 8 1 sosppl 168 30 0 30 6 5 1 1 0 8 1 sockpl 488 6135 0 6108 117 106 11 29 0 8 7 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 11 0 0 2 0 2 2 0 8 0 mcl12k 12288 16 0 0 2 0 2 2 0 8 0 mcl9k 9216 6 0 0 1 0 1 1 0 8 0 mcl8k 8192 18 0 0 3 0 3 3 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 367 0 0 45 0 45 45 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 1250 0 0 72 0 72 72 0 8 0 bufpl 288 6778 0 466 451 0 451 451 0 8 0 anonpl 24 419526 0 408634 146 47 99 101 0 186 7 amapchunkpl 152 366810 0 366002 4442 4255 187 4426 0 158 150 amappl16 200 10892 0 10531 71 42 29 32 0 8 8 amappl15 192 13 0 12 1 0 1 1 0 8 0 amappl14 184 159 0 146 2 1 1 2 0 8 0 amappl13 176 27 0 26 1 0 1 1 0 8 0 amappl12 168 3252 0 3218 2 0 2 2 0 8 0 amappl11 160 49 0 39 1 0 1 1 0 8 0 amappl10 152 20 0 11 1 0 1 1 0 8 0 amappl9 144 226 0 226 3 2 1 2 0 8 1 amappl8 136 305 0 214 4 0 4 4 0 8 0 amappl7 128 92 0 72 1 0 1 1 0 8 0 amappl6 120 317 0 299 2 1 1 2 0 8 0 amappl5 112 191 0 185 1 0 1 1 0 8 0 amappl4 104 762 0 722 2 0 2 2 0 8 0 amappl3 96 15902 0 15823 5 2 3 4 0 8 0 amappl2 88 2920 0 2851 4 2 2 3 0 8 0 amappl1 80 17435 0 16916 22 9 13 22 0 8 0 amappl 88 24761 0 24539 9 2 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 72 108 0 3 2 0 2 2 0 8 0 uaddrrnd 24 2590 0 2558 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2590 0 2558 1 0 1 1 0 8 0 vmmpekpl 168 27608 0 27545 4 0 4 4 0 8 0 vmmpepl 168 173270 0 170948 148 25 123 123 0 357 11 vmsppl 464 2589 0 2558 7 2 5 6 0 8 0 rwobjpl 56 55242 0 49352 88 1 87 87 0 8 0 pdppl 4096 5188 0 5116 186 106 80 94 0 8 8 pvpl 32 980481 0 964118 338 119 219 338 0 265 50 pmappl 248 2589 0 2558 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1036 0 146 26 0 26 26 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffffffff82c06ff0) 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(ffffffff82c55080) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82c55080) at __mp_lock+0x122 sys/kern/kern_lock.c:147 softintr_dispatch(0) at softintr_dispatch+0x52 sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x23 db_putchar(a) at db_putchar+0x4bd sys/ddb/db_output.c:168 kprintf() at kprintf+0x6bc sys/kern/subr_prf.c:724 db_printf(ffffffff82817bd7) at db_printf+0x89 sys/kern/subr_prf.c:498 panic(ffffffff8278815f) at panic+0xdb sys/kern/subr_prf.c:216 vop_generic_badop(ffff80002bff50b8) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd8065fc6640,fffffd806237a240) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:628 bwrite(fffffd806237a240) at bwrite+0x1f4 sys/kern/vfs_bio.c:760 VOP_BWRITE(fffffd806237a240) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640 end trace frame: 0xffff80002bff5340, count: 0 ddb{0}> trace x86_ipi_db(ffffffff82c06ff0) 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(ffffffff82c55080) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82c55080) at __mp_lock+0x122 sys/kern/kern_lock.c:147 softintr_dispatch(0) at softintr_dispatch+0x52 sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x23 db_putchar(a) at db_putchar+0x4bd sys/ddb/db_output.c:168 kprintf() at kprintf+0x6bc sys/kern/subr_prf.c:724 db_printf(ffffffff82817bd7) at db_printf+0x89 sys/kern/subr_prf.c:498 panic(ffffffff8278815f) at panic+0xdb sys/kern/subr_prf.c:216 vop_generic_badop(ffff80002bff50b8) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd8065fc6640,fffffd806237a240) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:628 bwrite(fffffd806237a240) at bwrite+0x1f4 sys/kern/vfs_bio.c:760 VOP_BWRITE(fffffd806237a240) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640 ufs_mkdir(ffff80002bff5350) at ufs_mkdir+0x6c4 sys/ufs/ufs/ufs_vnops.c:1235 VOP_MKDIR(fffffd8066e1b1e8,ffff80002bff54b0,ffff80002bff54e0,ffff80002bff53e0) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 domkdirat(ffff80002127c030,ffffff9c,7b44a8ca7230,1ff) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3074 syscall(ffff80002bff5660) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002bff5660) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b44a8ca72a0, count: -19 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x1c: addq $0x8,%rsp db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff827953b0) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff828133f3,ffffffff827d5520,2a3,ffffffff827cd4dc) at __assert+0x29 sys/kern/subr_prf.c:157 proc_trampoline_mp() at proc_trampoline_mp+0x135 end trace frame: 0x0, count: 11 ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff827953b0) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff828133f3,ffffffff827d5520,2a3,ffffffff827cd4dc) at __assert+0x29 sys/kern/subr_prf.c:157 proc_trampoline_mp() at proc_trampoline_mp+0x135 end trace frame: 0x0, count: -4