panic: kernel diagnostic assertion "len >= 0 && !M_READONLY(m)" failed: file "/syzkaller/managers/multicore/kernel/sys/kern/uipc_mbuf.c", line 1384 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *109314 27793 0 0 0x4000000 0K syz-executor.7 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff82579a90) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff825ec6cc,ffffffff82560ab1,568,ffffffff8258f284) at __assert+0x25 sys/kern/subr_prf.c:161 m_align(fffffd80759fbb00,ffffffce) at m_align+0x1a0 sys/kern/uipc_mbuf.c:1385 bpf_movein(ffff80002cc3daf0,ffff800000c7e400,ffff80002cc3d858,ffff80002cc3d758) at bpf_movein+0x25e sys/net/bpf.c:228 bpfwrite(1f1700,ffff80002cc3daf0,1) at bpfwrite+0x169 sys/net/bpf.c:644 spec_write(ffff80002cc3d950) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd8064daa490,ffff80002cc3daf0,1,fffffd807f7d8960) at VOP_WRITE+0xbf sys/kern/vfs_vops.c:245 vn_write(fffffd806585f870,ffff80002cc3daf0,1) at vn_write+0x1a1 sys/kern/vfs_vnops.c:414 dofilewritev(ffff8000294e8548,3,ffff80002cc3daf0,1,ffff80002cc3dbf0) at dofilewritev+0x19c sys/kern/sys_generic.c:381 sys_pad_pwrite(ffff8000294e8548,ffff80002cc3db98,ffff80002cc3dbf0) at sys_pad_pwrite+0x92 sys_pwrite sys/kern/vfs_syscalls.c:3354 [inline] sys_pad_pwrite(ffff8000294e8548,ffff80002cc3db98,ffff80002cc3dbf0) at sys_pad_pwrite+0x92 sys/kern/vfs_syscalls.c:3426 syscall(ffff80002cc3dc60) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002cc3dc60) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2029fed1720, 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 "len >= 0 && !M_READONLY(m)" failed: file "/syzkaller/managers/multicore/kernel/sys/kern/uipc_mbuf.c", line 1384 ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff82579a90) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff825ec6cc,ffffffff82560ab1,568,ffffffff8258f284) at __assert+0x25 sys/kern/subr_prf.c:161 m_align(fffffd80759fbb00,ffffffce) at m_align+0x1a0 sys/kern/uipc_mbuf.c:1385 bpf_movein(ffff80002cc3daf0,ffff800000c7e400,ffff80002cc3d858,ffff80002cc3d758) at bpf_movein+0x25e sys/net/bpf.c:228 bpfwrite(1f1700,ffff80002cc3daf0,1) at bpfwrite+0x169 sys/net/bpf.c:644 spec_write(ffff80002cc3d950) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd8064daa490,ffff80002cc3daf0,1,fffffd807f7d8960) at VOP_WRITE+0xbf sys/kern/vfs_vops.c:245 vn_write(fffffd806585f870,ffff80002cc3daf0,1) at vn_write+0x1a1 sys/kern/vfs_vnops.c:414 dofilewritev(ffff8000294e8548,3,ffff80002cc3daf0,1,ffff80002cc3dbf0) at dofilewritev+0x19c sys/kern/sys_generic.c:381 sys_pad_pwrite(ffff8000294e8548,ffff80002cc3db98,ffff80002cc3dbf0) at sys_pad_pwrite+0x92 sys_pwrite sys/kern/vfs_syscalls.c:3354 [inline] sys_pad_pwrite(ffff8000294e8548,ffff80002cc3db98,ffff80002cc3dbf0) at sys_pad_pwrite+0x92 sys/kern/vfs_syscalls.c:3426 syscall(ffff80002cc3dc60) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002cc3dc60) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2029fed1720, count: -13 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002cc3d570 rbx 0xffffffff828ecbff cpu_info_full_primary+0x2bff rdx 0xffff800000bfb400 rcx 0 rax 0xffff8000294e8548 r8 0 r9 0x8080808080808080 r10 0x4b0420bcd5cd173a r11 0xa0849e548af574b6 r12 0xffffffff828eca00 cpu_info_full_primary+0x2a00 r13 0 r14 0 r15 0x1 rip 0xffffffff82237da8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80002cc3d560 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.7) pid=109314 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=83, nice=20 forw=0xffffffffffffffff, list=0xffff8000294e87e8,0xffffffff82af1e70 process=0xffff80002cd3ede0 user=0xffff80002cc38000, vmspace=0xfffffd8073b31b98 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 27793 318891 75271 0 2 0 syz-executor.7 *27793 109314 75271 0 7 0x4000000 syz-executor.7 16554 233192 96508 0 2 0 syz-executor.5 16554 473933 96508 0 3 0x4000080 fsleep syz-executor.5 16554 78439 96508 0 3 0x4000080 fsleep syz-executor.5 78325 297790 21224 0 2 0x480 syz-executor.0 78325 14272 21224 0 3 0x4000080 fsleep syz-executor.0 78325 407313 21224 0 3 0x4000080 netio syz-executor.0 78325 127750 21224 0 3 0x4000080 fsleep syz-executor.0 13385 380982 85065 0 2 0 syz-executor.2 13385 463836 85065 0 3 0x4000080 fsleep syz-executor.2 34251 310523 27766 0 2 0 syz-executor.4 34251 100043 27766 0 2 0x4000000 syz-executor.4 21224 20680 98762 0 3 0x82 nanoslp syz-executor.0 27766 285685 98762 0 3 0x82 nanoslp syz-executor.4 40421 102298 98762 0 3 0x82 piperd syz-executor.1 85065 277124 98762 0 2 0x482 syz-executor.2 69829 132829 98762 0 3 0x82 piperd syz-executor.6 58993 411842 98762 0 2 0x2 syz-executor.3 75271 495250 98762 0 2 0x482 syz-executor.7 39576 242166 0 0 3 0x14200 acct acct 93332 77420 0 0 3 0x14280 nfsidl nfsio 78112 342855 0 0 3 0x14280 nfsidl nfsio 19968 440787 0 0 3 0x14280 nfsidl nfsio 42514 46489 0 0 3 0x14280 nfsidl nfsio 12807 40238 0 0 3 0x14280 nfsidl nfsio 97919 239928 0 0 3 0x14280 nfsidl nfsio 6361 427623 0 0 3 0x14280 nfsidl nfsio 7704 464186 0 0 3 0x14280 nfsidl nfsio 41184 506672 0 0 3 0x14280 nfsidl nfsio 15479 286438 0 0 3 0x14280 nfsidl nfsio 93438 99878 0 0 3 0x14280 nfsidl nfsio 79692 369660 0 0 3 0x14280 nfsidl nfsio 41600 495381 0 0 3 0x14280 nfsidl nfsio 65319 439112 0 0 3 0x14280 nfsidl nfsio 47962 482676 0 0 3 0x14280 nfsidl nfsio 41360 184370 0 0 3 0x14280 nfsidl nfsio 30443 335349 0 0 3 0x14280 nfsidl nfsio 21769 325178 0 0 3 0x14280 nfsidl nfsio 96432 263875 0 0 3 0x14280 nfsidl nfsio 79458 31323 0 0 3 0x14280 nfsidl nfsio 53982 409029 1 0 3 0x100083 ttyin getty 96508 295693 98762 0 2 0x482 syz-executor.5 36873 103620 0 0 3 0x14200 bored sosplice 98762 38358 29690 0 3 0x82 thrsleep syz-fuzzer 98762 382825 29690 0 2 0x4000482 syz-fuzzer 98762 386921 29690 0 3 0x4000082 nanoslp syz-fuzzer 98762 237849 29690 0 3 0x4000082 thrsleep syz-fuzzer 98762 419969 29690 0 3 0x4000082 thrsleep syz-fuzzer 98762 275687 29690 0 3 0x4000082 thrsleep syz-fuzzer 98762 25003 29690 0 3 0x4000082 thrsleep syz-fuzzer 98762 258126 29690 0 3 0x4000082 thrsleep syz-fuzzer 98762 46508 29690 0 3 0x4000082 kqread syz-fuzzer 29690 502693 92718 0 3 0x10008a sigsusp ksh 92718 351043 96834 0 3 0x9a kqread sshd 96834 491846 1 0 3 0x88 kqread sshd 29183 194932 93681 74 3 0x100092 bpf pflogd 93681 116974 1 0 3 0x80 netio pflogd 78378 446483 59560 73 3 0x100090 kqread syslogd 59560 445385 1 0 3 0x100082 netio syslogd 39428 283321 1 0 3 0x100080 kqread resolvd 62557 45891 23120 77 3 0x100092 kqread dhcpleased 88978 422291 23120 77 3 0x100092 kqread dhcpleased 23120 85937 1 0 3 0x80 kqread dhcpleased 61507 119232 0 0 3 0x14200 bored smr 41454 435888 0 0 2 0x14200 zerothread 75094 421420 0 0 3 0x14200 aiodoned aiodoned 87988 309316 0 0 3 0x14200 syncer update 75464 100390 0 0 3 0x14200 cleaner cleaner 99504 416205 0 0 3 0x14200 reaper reaper 12102 448025 0 0 3 0x14200 pgdaemon pagedaemon 59159 27533 0 0 3 0x14200 bored viomb 98379 135226 0 0 3 0x40014200 acpi0 acpi0 2559 365615 0 0 7 0x40014200 idle1 66307 262764 0 0 3 0x14200 bored softnet 51810 345373 0 0 3 0x14200 bored systqmp 91901 520088 0 0 3 0x14200 bored systq 13447 354852 0 0 2 0x40014200 softclock 31324 392859 0 0 3 0x40014200 idle0 1 336994 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 27793 (syz-executor.7) thread 0xffff8000294e8548 (109314) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82ac44c8) #0 witness_lock+0x44d #1 vn_write+0x42 sys/kern/vfs_vnops.c:399 #2 dofilewritev+0x19c sys/kern/sys_generic.c:381 #3 sys_pad_pwrite+0x92 sys_pwrite sys/kern/vfs_syscalls.c:3354 [inline] #3 sys_pad_pwrite+0x92 sys/kern/vfs_syscalls.c:3426 #4 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #4 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #5 Xsyscall+0x128 Process 58993 (syz-executor.3) thread 0xffff8000294c97a0 (411842) exclusive rrwlock inode r = 0 (0xfffffd807785e3d8) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:579 #5 vget+0x1d3 sys/kern/vfs_subr.c:677 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1318 #8 ufs_lookup+0x13ba sys/ufs/ufs/ufs_lookup.c:487 #9 VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:561 #11 namei+0x36a sys/kern/vfs_lookup.c:245 #12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1849 #13 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #13 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80763e7e68) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:579 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:413 #6 namei+0x36a sys/kern/vfs_lookup.c:245 #7 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1849 #8 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10270 6604K 7429K 78643K 102967 0 pcb 13 20K 25K 78643K 4981 0 rtable 209 22K 28K 78643K 7584 0 ifaddr 104 23K 26K 78643K 7350 0 sysctl 2 0K 1K 78643K 9 0 counters 58 35K 36K 78643K 484 0 ioctlops 0 0K 4K 78643K 15870 0 iov 0 0K 16K 78643K 2226 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1628 102K 102K 78643K 30949 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 250 0 VM map 2 1K 1K 78643K 2 0 sem 23 11K 21K 78643K 1314 0 dirhash 6 1K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 15 53K 93K 78643K 28969 0 sigio 0 0K 0K 78643K 261 0 proc 70 87K 111K 78643K 3854 0 subproc 104 6K 10K 78643K 987 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 2699 0 in_multi 57 3K 7K 78643K 2715 0 ether_multi 1 0K 0K 78643K 807 0 mrt 71 4K 4K 78643K 188 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 247 1102K 1102K 78643K 247 0 exec 0 0K 2K 78643K 5338 0 pfkey data 0 0K 0K 78643K 15 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 7 26K 26K 78643K 7 0 UVM amap 847 2414K 2415K 78643K 356847 0 UVM aobj 131 8K 8K 78643K 136 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 1K 78643K 5162 0 NDP 16 0K 1K 78643K 375 0 temp 173 4746K 8842K 78643K 247164 0 kqueue 13 20K 26K 78643K 1375 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 2426 0 2423 27 26 1 5 0 8 0 rtentry 112 1495 0 1422 7 4 3 4 0 8 0 unpcb 136 18459 0 18438 164 159 5 9 0 8 4 syncache 296 87 0 87 24 23 1 1 0 8 1 tcpqe 32 26 0 26 12 12 0 1 0 8 0 tcpcb 736 13560 0 13556 293 290 3 20 0 8 2 arp 120 222 0 209 1 0 1 1 0 8 0 inpcb 304 32509 0 32502 319 313 6 17 0 8 5 rttmr 72 25 0 25 8 8 0 1 0 8 0 nd6 48 240 0 222 1 0 1 1 0 8 0 pkpcb 40 80 0 80 16 15 1 1 0 8 1 kcovpl 48 67 0 59 1 0 1 1 0 8 0 ppxss 1248 73 0 73 21 20 1 1 0 8 1 pfstscr 40 87 0 87 7 7 0 1 0 8 0 pffrag 232 79 0 77 7 6 1 1 0 482 0 pffrnode 88 79 0 77 7 6 1 1 0 8 0 pffrent 40 513 0 511 8 7 1 1 0 8 0 pfosfp 40 1431 0 1007 5 0 5 5 0 8 0 pfosfpen 112 1431 0 716 21 0 21 21 0 8 0 pfrke_plain 168 10 0 10 2 2 0 1 0 8 0 pfrktable 1344 1130 0 1115 5 3 2 3 0 8 0 pftag 88 69 0 53 1 0 1 1 0 8 0 pfqueue 264 68 0 68 1 1 0 1 0 8 0 pfstitem 24 51 0 49 1 0 1 1 0 8 0 pfstkey 112 364 0 362 1 0 1 1 0 8 0 pfstate 320 209 0 207 3 2 1 3 0 8 0 pfrule 1360 2371 0 2250 13 2 11 11 0 8 0 art_heap8 4096 3 0 2 3 2 1 2 0 8 0 art_heap4 256 5170 0 4866 50 27 23 31 0 8 0 art_table 32 5173 0 4868 5 1 4 4 0 8 0 art_node 16 1485 0 1425 1 0 1 1 0 8 0 sysvmsgpl 40 32 0 19 1 0 1 1 0 8 0 semapl 112 1302 0 1281 1 0 1 1 0 8 0 shmpl 112 133 0 5 4 0 4 4 0 8 0 dirhash 1024 17 0 13 3 1 2 3 0 8 0 dino2pl 256 42534 0 41008 96 0 96 96 0 8 0 ffsino 272 42534 0 41008 102 0 102 102 0 8 0 nchpl 144 79853 0 78229 63 0 63 63 0 8 0 rtmask 32 8 0 8 2 2 0 1 0 8 0 uvmvnodes 80 5978 0 0 122 0 122 122 0 8 0 vnodes 224 5978 0 0 352 0 352 352 0 8 0 namei 1024 303687 0 303687 5 4 1 2 0 8 1 percpumem 16 254 0 213 1 0 1 1 0 8 0 vcpupl 2048 397 0 1 50 0 50 50 0 8 0 vmpool 560 445 0 49 30 1 29 29 0 8 0 pfiaddrpl 120 1744 0 1675 3 0 3 3 0 8 0 scsiplug 72 24 0 24 7 7 0 1 0 8 0 scxspl 216 218638 0 218638 23 22 1 8 0 8 1 plimitpl 152 2385 0 2369 1 0 1 1 0 8 0 sigapl 424 29195 0 29131 10 2 8 8 0 8 0 futexpl 64 319633 0 319628 3 2 1 1 0 8 0 knotepl 120 456 0 0 11 3 8 11 0 8 0 kqueuepl 216 6874 0 6865 137 132 5 8 0 8 4 pipepl 336 8539 0 8511 177 169 8 13 0 8 5 fdescpl 496 29139 0 29111 7 3 4 5 0 8 0 filepl 152 227058 0 226743 273 255 18 24 0 8 5 lockfpl 104 9532 0 9530 19 18 1 4 0 8 0 lockfspl 48 2741 0 2739 1 0 1 1 0 8 0 sessionpl 144 86 0 69 1 0 1 1 0 8 0 pgrppl 48 198 0 181 1 0 1 1 0 8 0 ucredpl 96 37048 0 37025 1 0 1 1 0 8 0 zombiepl 144 29131 0 29131 3 2 1 1 0 8 1 processpl 1064 29195 0 29131 6 1 5 5 0 8 0 procpl 672 73903 0 73823 39 31 8 11 0 8 0 srpgc 96 81 0 81 19 18 1 1 0 8 1 sosppl 168 199 0 199 28 28 0 1 0 8 0 sockpl 480 53556 0 53525 1010 998 12 35 0 8 8 mcl64k 65536 7 0 0 1 0 1 1 0 8 0 mcl16k 16384 7 0 0 1 0 1 1 0 8 0 mcl12k 12288 17 0 0 2 0 2 2 0 8 0 mcl9k 9216 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 15 0 0 2 0 2 2 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 616 0 0 38 5 33 33 0 8 0 mtagpl 96 2852 0 0 47 0 47 47 0 8 0 mbufpl 256 8972 0 0 498 1 497 497 0 8 0 bufpl 288 44933 0 38598 453 0 453 453 0 8 0 anonpl 24 8061931 0 8040252 377 215 162 162 0 186 17 amapchunkpl 152 858297 0 857428 137 98 39 48 0 158 1 amappl16 200 81577 0 80754 218 162 56 67 0 8 8 amappl15 192 4851 0 4842 1 0 1 1 0 8 0 amappl14 184 2613 0 2605 2 1 1 1 0 8 0 amappl13 176 2452 0 2448 1 0 1 1 0 8 0 amappl12 168 5456 0 5449 2 1 1 1 0 8 0 amappl11 160 3384 0 3364 1 0 1 1 0 8 0 amappl10 152 5403 0 5392 1 0 1 1 0 8 0 amappl9 144 2269 0 2264 1 0 1 1 0 8 0 amappl8 136 6043 0 5878 6 0 6 6 0 8 0 amappl7 128 4145 0 4134 1 0 1 1 0 8 0 amappl6 120 2191 0 2158 3 1 2 2 0 8 0 amappl5 112 29367 0 29347 1 0 1 1 0 8 0 amappl4 104 7958 0 7920 10 8 2 2 0 8 0 amappl3 96 8609 0 8591 1 0 1 1 0 8 0 amappl2 88 7127 0 7032 4 1 3 3 0 8 0 amappl1 80 508637 0 508050 37 23 14 19 0 8 0 amappl 88 354626 0 354196 13 2 11 11 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 72 135 0 5 3 0 3 3 0 8 0 uaddrrnd 24 29584 0 29160 3 0 3 3 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 29584 0 29160 3 0 3 3 0 8 0 vmmpekpl 168 194228 0 194115 6 0 6 6 0 8 0 vmmpepl 168 2614291 0 2610451 550 362 188 198 0 357 10 vmsppl 368 29583 0 29160 39 0 39 39 0 8 0 rwobjpl 56 612522 0 604260 137 17 120 120 0 8 1 pdppl 4096 59175 0 58716 1247 782 465 465 0 8 6 pvpl 32 13545954 0 13521001 736 490 246 275 0 265 32 pmappl 248 29583 0 29160 28 1 27 27 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 3077 0 1285 52 0 52 52 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff82579a90) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff825ec6cc,ffffffff82560ab1,568,ffffffff8258f284) at __assert+0x25 sys/kern/subr_prf.c:161 m_align(fffffd80759fbb00,ffffffce) at m_align+0x1a0 sys/kern/uipc_mbuf.c:1385 bpf_movein(ffff80002cc3daf0,ffff800000c7e400,ffff80002cc3d858,ffff80002cc3d758) at bpf_movein+0x25e sys/net/bpf.c:228 bpfwrite(1f1700,ffff80002cc3daf0,1) at bpfwrite+0x169 sys/net/bpf.c:644 spec_write(ffff80002cc3d950) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd8064daa490,ffff80002cc3daf0,1,fffffd807f7d8960) at VOP_WRITE+0xbf sys/kern/vfs_vops.c:245 vn_write(fffffd806585f870,ffff80002cc3daf0,1) at vn_write+0x1a1 sys/kern/vfs_vnops.c:414 dofilewritev(ffff8000294e8548,3,ffff80002cc3daf0,1,ffff80002cc3dbf0) at dofilewritev+0x19c sys/kern/sys_generic.c:381 sys_pad_pwrite(ffff8000294e8548,ffff80002cc3db98,ffff80002cc3dbf0) at sys_pad_pwrite+0x92 sys_pwrite sys/kern/vfs_syscalls.c:3354 [inline] sys_pad_pwrite(ffff8000294e8548,ffff80002cc3db98,ffff80002cc3dbf0) at sys_pad_pwrite+0x92 sys/kern/vfs_syscalls.c:3426 syscall(ffff80002cc3dc60) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002cc3dc60) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2029fed1720, count: -13 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffff800020ce8ff0) 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 acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800020ce8ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff800020ce8ff0) 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 acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800020ce8ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178 end trace frame: 0x0, count: -5