panic: kernel diagnostic assertion "d->bd_in_uiomove == 0" failed: file "/syzkaller/managers/multicore/kernel/sys/net/bpf.c", line 675 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *124788 60254 0 0 0x4000000 1 syz-executor.3 92764 11553 0 0x2 0 0 syz-executor.7 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff825ab8ec) at panic+0x177 sys/kern/subr_prf.c:198 __assert(ffffffff8261fb71,ffffffff825bb54f,2a3,ffffffff825a425e) at __assert+0x25 sys/kern/subr_prf.c:157 bpf_setif(ffff800000bab400,ffff80002e492d00) at bpf_setif+0x2d7 bpf_attachd sys/net/bpf.c:290 [inline] bpf_setif(ffff800000bab400,ffff80002e492d00) at bpf_setif+0x2d7 sys/net/bpf.c:1125 bpfioctl(31700,8020426c,ffff80002e492d00,1,ffff800026415260) at bpfioctl+0x41d sys/net/bpf.c:880 VOP_IOCTL(fffffd8067bb3438,8020426c,ffff80002e492d00,1,fffffd807f7d7680,ffff800026415260) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd8077a9d870,8020426c,ffff80002e492d00,ffff800026415260) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:525 sys_ioctl(ffff800026415260,ffff80002e492e18,ffff80002e492e60) at sys_ioctl+0x4a2 syscall(ffff80002e492ee0) at syscall+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff80002e492ee0) at syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb2a1901bc70, 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{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: kernel diagnostic assertion "d->bd_in_uiomove == 0" failed: file "/syzkaller/managers/multicore/kernel/sys/net/bpf.c", line 675 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff825ab8ec) at panic+0x177 sys/kern/subr_prf.c:198 __assert(ffffffff8261fb71,ffffffff825bb54f,2a3,ffffffff825a425e) at __assert+0x25 sys/kern/subr_prf.c:157 bpf_setif(ffff800000bab400,ffff80002e492d00) at bpf_setif+0x2d7 bpf_attachd sys/net/bpf.c:290 [inline] bpf_setif(ffff800000bab400,ffff80002e492d00) at bpf_setif+0x2d7 sys/net/bpf.c:1125 bpfioctl(31700,8020426c,ffff80002e492d00,1,ffff800026415260) at bpfioctl+0x41d sys/net/bpf.c:880 VOP_IOCTL(fffffd8067bb3438,8020426c,ffff80002e492d00,1,fffffd807f7d7680,ffff800026415260) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd8077a9d870,8020426c,ffff80002e492d00,ffff800026415260) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:525 sys_ioctl(ffff800026415260,ffff80002e492e18,ffff80002e492e60) at sys_ioctl+0x4a2 syscall(ffff80002e492ee0) at syscall+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff80002e492ee0) at syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb2a1901bc70, count: -10 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002e492970 rbx 0xffff800020dd9b8f rdx 0 rcx 0 rax 0xffff800026415260 r8 0x101010101010101 r9 0x8080808080808080 r10 0x2bca746ab1bb79bd r11 0x4254a89a851bc403 r12 0xffff800020dd9990 r13 0 r14 0 r15 0x1 rip 0xffffffff819f7aa8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80002e492960 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.3) pid=124788 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=79, nice=20 forw=0xffffffffffffffff, list=0xffff800026415500,0xffff800026415a50 process=0xffff8000ffff3688 user=0xffff80002e48d000, vmspace=0xfffffd8069f55b90 estcpu=29, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 21792 102946 39010 0 2 0 syz-executor.4 21792 414940 39010 0 3 0x4000080 fsleep syz-executor.4 156 169579 10016 0 2 0 syz-executor.5 156 163556 10016 0 3 0x4000080 fsleep syz-executor.5 156 142426 10016 0 3 0x4000080 fsleep syz-executor.5 79514 21716 44329 0 2 0 syz-executor.6 79514 164463 44329 0 2 0x4000000 syz-executor.6 79514 76819 44329 0 3 0x4000080 fsleep syz-executor.6 60254 347117 24618 0 2 0 syz-executor.3 *60254 124788 24618 0 7 0x4000000 syz-executor.3 60254 228896 24618 0 2 0x4000000 syz-executor.3 60254 206995 24618 0 2 0x4000000 syz-executor.3 11553 92764 7074 0 7 0x2 syz-executor.7 44329 402865 7074 0 2 0x482 syz-executor.6 24618 445937 7074 0 2 0x482 syz-executor.3 10016 481521 7074 0 2 0x482 syz-executor.5 39010 144397 7074 0 2 0x482 syz-executor.4 50732 163798 7074 0 2 0x2 syz-executor.2 87783 234029 7074 0 2 0x482 syz-executor.1 4891 301541 7074 0 2 0x2 syz-executor.0 7074 436725 79896 0 3 0x82 thrsleep syz-fuzzer 7074 137897 79896 0 2 0x4000482 syz-fuzzer 7074 309416 79896 0 3 0x4000082 wait syz-fuzzer 7074 426156 79896 0 3 0x4000082 wait syz-fuzzer 7074 154110 79896 0 3 0x4000082 wait syz-fuzzer 7074 74472 79896 0 3 0x4000082 wait syz-fuzzer 7074 219053 79896 0 3 0x4000082 wait syz-fuzzer 7074 293560 79896 0 3 0x4000082 thrsleep syz-fuzzer 7074 358817 79896 0 3 0x4000082 thrsleep syz-fuzzer 7074 393635 79896 0 3 0x4000082 thrsleep syz-fuzzer 7074 76407 79896 0 3 0x4000082 wait syz-fuzzer 7074 374999 79896 0 3 0x4000082 wait syz-fuzzer 7074 293592 79896 0 3 0x4000082 thrsleep syz-fuzzer 7074 337953 79896 0 3 0x4000082 wait syz-fuzzer 7074 39196 79896 0 3 0x4000082 kqread syz-fuzzer 79896 121671 16886 0 3 0x10008a sigsusp ksh 16886 32077 45584 0 3 0x9a kqread sshd 52944 519712 1 0 3 0x100083 ttyin getty 45584 49565 1 0 3 0x88 kqread sshd 72279 287373 98252 74 3 0x1100092 bpf pflogd 98252 455548 1 0 3 0x80 netio pflogd 94986 54557 83131 73 3 0x1100090 kqread syslogd 83131 5601 1 0 3 0x100082 netio syslogd 37725 423577 1 0 3 0x100080 kqread resolvd 35945 301044 16626 77 3 0x100092 kqread dhcpleased 28593 134860 16626 77 3 0x100092 kqread dhcpleased 16626 322918 1 0 3 0x80 kqread dhcpleased 87651 388333 0 0 3 0x14200 bored smr 24733 369334 0 0 2 0x14200 zerothread 57431 521377 0 0 3 0x14200 aiodoned aiodoned 3965 211580 0 0 3 0x14200 syncer update 57693 239479 0 0 3 0x14200 cleaner cleaner 50503 433652 0 0 3 0x14200 reaper reaper 51522 143840 0 0 3 0x14200 pgdaemon pagedaemon 23682 92376 0 0 3 0x14200 bored viomb 33563 444501 0 0 3 0x40014200 acpi0 acpi0 45184 458156 0 0 3 0x40014200 idle1 66912 330990 0 0 3 0x14200 bored softnet 88479 222174 0 0 3 0x14200 bored softnet 13651 220061 0 0 3 0x14200 bored softnet 42108 456721 0 0 3 0x14200 bored softnet 54321 493075 0 0 3 0x14200 bored systqmp 70256 45982 0 0 3 0x14200 bored systq 95324 99711 0 0 3 0x40014200 bored softclock 84711 441014 0 0 3 0x40014200 idle0 1 265969 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive mutex &bd->bd_mtx r = 0 (0xffff800000bab418) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 bpf_setif+0xd8 sys/net/bpf.c:1116 #4 bpfioctl+0x41d sys/net/bpf.c:880 #5 VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 #6 vn_ioctl+0xbc sys/kern/vfs_vnops.c:525 #7 sys_ioctl+0x4a2 #8 syscall+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline] #8 syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599 #9 Xsyscall+0x128 Process 60254 (syz-executor.3) thread 0xffff800026415260 (124788) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82aea558) #0 witness_lock+0x44d #1 vn_ioctl+0x41 sys/kern/vfs_vnops.c:508 #2 sys_ioctl+0x4a2 #3 syscall+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline] #3 syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599 #4 Xsyscall+0x128 exclusive mutex &bd->bd_mtx r = 0 (0xffff800000bab418) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 bpf_setif+0xd8 sys/net/bpf.c:1116 #4 bpfioctl+0x41d sys/net/bpf.c:880 #5 VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 #6 vn_ioctl+0xbc sys/kern/vfs_vnops.c:525 #7 sys_ioctl+0x4a2 #8 syscall+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline] #8 syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599 #9 Xsyscall+0x128 Process 50732 (syz-executor.2) thread 0xffff8000ffff4a88 (163798) exclusive rrwlock inode r = 0 (0xfffffd80699c3918) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1353 #6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1150 #8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388 #9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3112 #10 syscall+0x438 mi_syscall sys/sys/syscall_mi.h:101 [inline] #10 syscall+0x438 sys/arch/amd64/amd64/trap.c:599 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8067c55c50) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:412 #6 namei+0x36a sys/kern/vfs_lookup.c:244 #7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3097 #8 syscall+0x438 mi_syscall sys/sys/syscall_mi.h:101 [inline] #8 syscall+0x438 sys/arch/amd64/amd64/trap.c:599 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10209 6552K 6735K 78643K 11678 0 pcb 13 12K 17K 78643K 212 0 rtable 238 7K 7K 78643K 369 0 ifaddr 78 17K 17K 78643K 106 0 counters 62 36K 36K 78643K 86 0 ioctlops 0 0K 4K 78643K 1477 0 iov 0 0K 2K 78643K 71 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1280 80K 80K 78643K 1369 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 6 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 1K 78643K 31 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 14 49K 89K 78643K 331 0 sigio 0 0K 0K 78643K 3 0 proc 67 91K 140K 78643K 524 0 subproc 104 6K 6K 78643K 104 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 23 0 in_multi 99 6K 7K 78643K 117 0 ether_multi 1 0K 0K 78643K 11 0 mrt 1 0K 0K 78643K 2 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 49 228K 228K 78643K 49 0 exec 0 0K 1K 78643K 387 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 254 77K 78K 78643K 3898 0 UVM aobj 91 3K 3K 78643K 100 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 13 0K 1K 78643K 35 0 temp 131 4694K 70230K 78643K 6590 0 kqueue 12 18K 22K 78643K 37 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 84 0 81 2 0 2 2 0 8 1 rtentry 112 117 0 7 4 0 4 4 0 8 0 unpcb 144 220 0 204 6 4 2 6 0 8 1 syncache 296 4 0 4 1 1 0 1 0 8 0 tcpqe 32 1458 0 1458 2 2 0 1 0 8 0 tcpcb 776 90 0 86 4 2 2 4 0 8 1 arp 120 18 0 0 1 0 1 1 0 8 0 inpcb 368 350 0 343 13 4 9 13 0 8 8 nd6 48 24 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1256 10 0 9 1 0 1 1 0 8 0 pppxif 1440 4 0 4 1 0 1 1 0 8 1 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 488 0 36 30 0 30 30 0 8 1 art_table 32 489 0 36 4 0 4 4 0 8 0 art_node 16 116 0 16 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 26 0 16 1 0 1 1 0 8 0 shmpl 112 97 0 9 3 0 3 3 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1728 0 288 91 0 91 91 0 8 0 ffsino 272 1728 0 288 97 0 97 97 0 8 0 nchpl 144 2235 0 556 63 0 63 63 0 8 0 uvmvnodes 80 1907 0 0 39 0 39 39 0 8 0 vnodes 216 1907 0 0 106 0 106 106 0 8 0 namei 1024 7641 0 7640 2 1 1 2 0 8 0 percpumem 16 55 0 12 1 0 1 1 0 8 0 kstatmem 264 38 0 12 2 0 2 2 0 8 0 scxspl 216 7353 0 7351 9 6 3 8 0 8 2 plimitpl 152 31 0 15 1 0 1 1 0 8 0 sigapl 424 647 0 601 8 2 6 7 0 8 0 futexpl 64 2212 0 2208 1 0 1 1 0 8 0 knotepl 120 332 0 0 10 0 10 10 0 8 0 kqueuepl 216 44 0 36 1 0 1 1 0 8 0 pipepl 320 237 0 209 8 0 8 8 0 8 5 fdescpl 496 630 0 603 5 1 4 5 0 8 0 filepl 152 3262 0 3016 16 0 16 16 0 8 6 lockfpl 104 38 0 35 1 0 1 1 0 8 0 lockfspl 48 17 0 14 1 0 1 1 0 8 0 sessionpl 144 24 0 7 1 0 1 1 0 8 0 pgrppl 48 24 0 7 1 0 1 1 0 8 0 ucredpl 104 143 0 131 1 0 1 1 0 8 0 zombiepl 144 603 0 601 1 0 1 1 0 8 0 processpl 1072 647 0 601 4 0 4 4 0 8 0 procpl 672 1109 0 1041 9 1 8 8 0 8 1 sockpl 488 654 0 628 33 17 16 25 0 8 12 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 14 0 0 2 0 2 2 0 8 0 mcl4k 4096 10 0 0 2 0 2 2 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 458 0 0 57 0 57 57 0 8 0 mtagpl 96 76 0 0 2 0 2 2 0 8 0 mbufpl 256 509 0 0 32 0 32 32 0 8 0 bufpl 288 4297 0 134 298 0 298 298 0 8 0 anonpl 24 177311 0 160198 128 6 122 125 0 186 12 amapchunkpl 152 11616 0 10838 37 3 34 36 0 158 1 amappl16 200 3236 0 2775 32 2 30 32 0 8 1 amappl15 192 17 0 15 1 0 1 1 0 8 0 amappl14 184 143 0 130 2 0 2 2 0 8 0 amappl13 176 3 0 3 1 1 0 1 0 8 0 amappl12 168 421 0 419 1 0 1 1 0 8 0 amappl11 160 58 0 43 1 0 1 1 0 8 0 amappl10 152 33 0 21 1 0 1 1 0 8 0 amappl9 144 937 0 936 2 1 1 1 0 8 0 amappl8 136 153 0 108 2 0 2 2 0 8 0 amappl7 128 51 0 34 1 0 1 1 0 8 0 amappl6 120 273 0 257 2 1 1 2 0 8 0 amappl5 112 90 0 78 1 0 1 1 0 8 0 amappl4 104 514 0 485 2 1 1 2 0 8 0 amappl3 96 1258 0 1204 2 0 2 2 0 8 0 amappl2 88 976 0 903 3 1 2 3 0 8 0 amappl1 80 16685 0 15933 23 5 18 23 0 8 0 amappl 88 3612 0 3429 5 0 5 5 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 99 0 9 2 0 2 2 0 8 0 uaddrrnd 24 631 0 604 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 631 0 604 1 0 1 1 0 8 0 vmmpekpl 168 10776 0 10721 3 0 3 3 0 8 0 vmmpepl 168 65454 0 62958 129 3 126 129 0 357 2 vmsppl 368 630 0 604 4 1 3 4 0 8 0 rwobjpl 56 22209 0 18566 53 0 53 53 0 8 0 pdppl 4096 1269 0 1208 111 42 69 81 0 8 8 pvpl 32 401290 0 378706 268 16 252 267 0 265 58 pmappl 248 630 0 604 3 1 2 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 749 0 50 21 0 21 21 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff8292eff0) at x86_ipi_db+0x1a 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(ffffffff82aea350) at __mp_lock+0x120 __mp_lock_spin sys/kern/kern_lock.c:117 [inline] __mp_lock(ffffffff82aea350) at __mp_lock+0x120 sys/kern/kern_lock.c:147 syscall(ffff800028250520) at syscall+0x5bd mi_syscall_return sys/sys/syscall_mi.h:129 [inline] syscall(ffff800028250520) at syscall+0x5bd sys/arch/amd64/amd64/trap.c:620 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd3150, count: 9 ddb{0}> trace x86_ipi_db(ffffffff8292eff0) at x86_ipi_db+0x1a 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(ffffffff82aea350) at __mp_lock+0x120 __mp_lock_spin sys/kern/kern_lock.c:117 [inline] __mp_lock(ffffffff82aea350) at __mp_lock+0x120 sys/kern/kern_lock.c:147 syscall(ffff800028250520) at syscall+0x5bd mi_syscall_return sys/sys/syscall_mi.h:129 [inline] syscall(ffff800028250520) at syscall+0x5bd sys/arch/amd64/amd64/trap.c:620 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd3150, count: -6 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x18: addq $0x8,%rsp db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff825ab8ec) at panic+0x177 sys/kern/subr_prf.c:198 __assert(ffffffff8261fb71,ffffffff825bb54f,2a3,ffffffff825a425e) at __assert+0x25 sys/kern/subr_prf.c:157 bpf_setif(ffff800000bab400,ffff80002e492d00) at bpf_setif+0x2d7 bpf_attachd sys/net/bpf.c:290 [inline] bpf_setif(ffff800000bab400,ffff80002e492d00) at bpf_setif+0x2d7 sys/net/bpf.c:1125 bpfioctl(31700,8020426c,ffff80002e492d00,1,ffff800026415260) at bpfioctl+0x41d sys/net/bpf.c:880 VOP_IOCTL(fffffd8067bb3438,8020426c,ffff80002e492d00,1,fffffd807f7d7680,ffff800026415260) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd8077a9d870,8020426c,ffff80002e492d00,ffff800026415260) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:525 sys_ioctl(ffff800026415260,ffff80002e492e18,ffff80002e492e60) at sys_ioctl+0x4a2 syscall(ffff80002e492ee0) at syscall+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff80002e492ee0) at syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb2a1901bc70, count: 5 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff825ab8ec) at panic+0x177 sys/kern/subr_prf.c:198 __assert(ffffffff8261fb71,ffffffff825bb54f,2a3,ffffffff825a425e) at __assert+0x25 sys/kern/subr_prf.c:157 bpf_setif(ffff800000bab400,ffff80002e492d00) at bpf_setif+0x2d7 bpf_attachd sys/net/bpf.c:290 [inline] bpf_setif(ffff800000bab400,ffff80002e492d00) at bpf_setif+0x2d7 sys/net/bpf.c:1125 bpfioctl(31700,8020426c,ffff80002e492d00,1,ffff800026415260) at bpfioctl+0x41d sys/net/bpf.c:880 VOP_IOCTL(fffffd8067bb3438,8020426c,ffff80002e492d00,1,fffffd807f7d7680,ffff800026415260) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd8077a9d870,8020426c,ffff80002e492d00,ffff800026415260) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:525 sys_ioctl(ffff800026415260,ffff80002e492e18,ffff80002e492e60) at sys_ioctl+0x4a2 syscall(ffff80002e492ee0) at syscall+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff80002e492ee0) at syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb2a1901bc70, count: -10