`±¯Í%qÝK…±øø0U“Á§—F¿uvm_fault(0xfffffd807f00b000, 0x9b, 0, 1) -> e kernel: page fault trap, code=0 Stopped at bpfioctl+0xc7: movzbl 0x9b(%r14),%ebx ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic kernel page fault uvm_fault(0xfffffd807f00b000, 0x9b, 0, 1) -> e bpfioctl(51700,80104267,ffff800022fa9a50,1,ffff800020acf178) at bpfioctl+0xc7 sys/net/bpf.c:674 end trace frame: 0xffff800022fa9930, count: 0 ddb{1}> trace bpfioctl(51700,80104267,ffff800022fa9a50,1,ffff800020acf178) at bpfioctl+0xc7 sys/net/bpf.c:674 VOP_IOCTL(fffffd805feb64f0,80104267,ffff800022fa9a50,1,fffffd807f7c6a20,ffff800020acf178) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd80668ade60,80104267,ffff800022fa9a50,ffff800020acf178) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:524 sys_ioctl(ffff800020acf178,ffff800022fa9b68,ffff800022fa9bb0) at sys_ioctl+0x5b9 syscall(ffff800022fa9c30) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] syscall(ffff800022fa9c30) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff13,0,3,a38243400e0) at Xsyscall+0x128 end of kernel end trace frame: 0xa3b1ffb6f40, count: -6 ddb{1}> show registers rdi 0xffffffff81bfe01c bpfioctl+0xac rsi 0x77 rbp 0xffff800022fa9880 rbx 0x500 rdx 0x78 rcx 0xffff800023392000 rax 0xffff800023392000 r8 0xffff800020acf178 r9 0x5 r10 0x4 r11 0xa3f02656a3129991 r12 0x80104267 __kernel_virt_to_phys+0x104267 r13 0xffff800020acf178 r14 0 r15 0xffff800022fa9a50 rip 0xffffffff81bfe037 bpfioctl+0xc7 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800022fa9810 ss 0x10 bpfioctl+0xc7: movzbl 0x9b(%r14),%ebx ddb{1}> show proc PROC (syz-executor.1) pid=130116 stat=onproc flags process=0 proc=4000000 pri=81, usrpri=81, nice=20 forw=0xffffffffffffffff, list=0xffff800020ace798,0xffff800020ace040 process=0xffff800020add500 user=0xffff800022fa4000, vmspace=0xfffffd807f00b000 estcpu=31, cpticks=0, pctcpu=0.22 user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 29351 114963 12441 0 7 0 syz-executor.1 29351 365089 12441 0 3 0x4000000 tqbar syz-executor.1 *29351 130116 12441 0 7 0x4000000 syz-executor.1 29351 149336 12441 0 3 0x4000080 fsleep syz-executor.1 81971 291334 2038 0 3 0x82 nanosleep syz-executor.0 12441 291105 2038 0 3 0x82 nanosleep syz-executor.1 47723 269023 1 0 3 0x100083 ttyin getty 1876 249349 0 0 3 0x14200 bored sosplice 2038 423502 66024 0 3 0x82 thrsleep syz-fuzzer 2038 182883 66024 0 3 0x4000082 thrsleep syz-fuzzer 2038 316499 66024 0 3 0x4000082 thrsleep syz-fuzzer 2038 159768 66024 0 3 0x4000082 thrsleep syz-fuzzer 2038 195655 66024 0 3 0x4000082 kqread syz-fuzzer 2038 432343 66024 0 3 0x4000082 thrsleep syz-fuzzer 2038 133551 66024 0 3 0x4000082 thrsleep syz-fuzzer 2038 326072 66024 0 3 0x4000082 thrsleep syz-fuzzer 2038 389484 66024 0 3 0x4000082 thrsleep syz-fuzzer 2038 337545 66024 0 3 0x4000082 thrsleep syz-fuzzer 66024 358181 10364 0 3 0x10008a pause ksh 10364 27963 39269 0 3 0x92 select sshd 39269 238423 1 0 3 0x80 select sshd 78007 43710 6845 74 3 0x100092 bpf pflogd 6845 200527 1 0 3 0x80 netio pflogd 38462 308774 49089 73 3 0x100090 kqread syslogd 49089 406356 1 0 3 0x100082 netio syslogd 64926 292305 1 77 3 0x100090 poll dhclient 91495 463865 1 0 3 0x80 poll dhclient 43813 252087 0 0 3 0x14200 pgzero zerothread 6169 110762 0 0 3 0x14200 aiodoned aiodoned 57010 25471 0 0 3 0x14200 syncer update 72846 68618 0 0 3 0x14200 cleaner cleaner 12008 506084 0 0 3 0x14200 reaper reaper 71395 94150 0 0 3 0x14200 pgdaemon pagedaemon 76436 350069 0 0 3 0x14200 bored crynlk 37269 23905 0 0 3 0x14200 bored crypto 26593 290385 0 0 3 0x40014200 acpi0 acpi0 44234 374439 0 0 3 0x40014200 idle1 18534 451175 0 0 3 0x14200 bored softnet 82361 470020 0 0 3 0x14200 bored systqmp 27542 273089 0 0 3 0x14200 tqbar systq 94540 75718 0 0 3 0x40014200 bored softclock 30755 473554 0 0 3 0x40014200 idle0 23118 119913 0 0 3 0x14200 bored smr 1 470056 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 29351 (syz-executor.1) thread 0xffff800020acf178 (130116) exclusive kernel_lock &kernel_lock r = 1 (0xffffffff8266a578) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 syscall+0x400 mi_syscall sys/sys/syscall_mi.h:83 [inline] #1 syscall+0x400 sys/arch/amd64/amd64/trap.c:555 #2 Xsyscall+0x128 Process 27542 (systq) thread 0xffff800020a10000 (273089) shared rwlock systq r = 0 (0xffffffff824a27e0) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 taskq_thread+0x8f sys/kern/kern_task.c:367 #2 proc_trampoline+0x1c ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9650 7370K 11701K 78643K 45736 0 0 pcb 13 10K 12K 78643K 1078 0 0 rtable 107 13K 14K 78643K 4152 0 0 ifaddr 98 25K 28K 78643K 1342 0 0 counters 39 33K 33K 78643K 39 0 0 ioctlops 0 0K 4K 78643K 1819 0 0 iov 0 0K 36K 78643K 1241 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1232 77K 78K 78643K 11480 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 5K 78643K 86 0 0 VM map 2 1K 1K 78643K 19 0 0 sem 12 0K 0K 78643K 2010 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1808 196K 290K 78643K 12765 0 0 file desc 6 17K 25K 78643K 6686 0 0 sigio 0 0K 0K 78643K 91 0 0 proc 62 63K 95K 78643K 2816 0 0 subproc 32 2K 2K 78643K 718 0 0 NFS srvsock 1 0K 0K 78643K 1 0 0 NFS daemon 1 16K 16K 78643K 1 0 0 ip_moptions 0 0K 0K 78643K 425 0 0 in_multi 28 1K 2K 78643K 791 0 0 ether_multi 1 0K 0K 78643K 47 0 0 mrt 0 0K 0K 78643K 32 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 126 556K 556K 78643K 126 0 0 exec 0 0K 1K 78643K 1320 0 0 pfkey data 0 0K 4K 78643K 5 0 0 pagedep 1 8K 8K 78643K 1 0 0 inodedep 1 32K 32K 78643K 1 0 0 newblk 1 0K 0K 78643K 1 0 0 VM swap 7 26K 26K 78643K 7 0 0 UVM amap 143 24K 34K 78643K 24314 0 0 UVM aobj 130 8K 8K 78643K 158 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 ip6_options 0 0K 0K 78643K 1120 0 0 NDP 24 0K 1K 78643K 427 0 0 temp 259 3563K 4201K 78643K 172738 0 0 kqueue 0 0K 0K 78643K 34 0 0 SYN cache 2 16K 16K 78643K 2 0 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 129 0 125 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 421 0 419 1 0 1 1 0 8 0 rtentry 112 681 0 645 2 0 2 2 0 8 0 unpcb 120 2760 0 2741 3 2 1 2 0 8 0 syncache 264 32 0 32 15 15 0 1 0 8 0 sackhl 24 3 0 3 3 3 0 1 0 8 0 tcpqe 32 5572 0 5572 2 2 0 1 0 8 0 tcpcb 544 3776 0 3772 35 34 1 13 0 8 0 inpcb 280 14735 0 14728 25 23 2 10 0 8 1 rttmr 72 11 0 10 9 8 1 1 0 8 0 nd6 48 112 0 109 3 2 1 1 0 8 0 pkpcb 40 26 0 26 12 12 0 1 0 8 0 swfcl 56 4 0 0 1 0 1 1 0 8 0 ppxss 1128 194 0 194 18 17 1 1 0 8 1 pffrag 232 83 0 83 23 23 0 1 0 482 0 pffrnode 88 83 0 83 23 23 0 1 0 8 0 pffrent 40 174 0 174 23 23 0 1 0 8 0 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 417 0 362 1 0 1 1 0 8 0 pfstkey 112 417 0 362 2 0 2 2 0 8 0 pfstate 328 417 0 362 6 0 6 6 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 16 0 15 11 10 1 3 0 8 0 art_heap4 256 3115 0 2874 48 32 16 18 0 8 0 art_table 32 3131 0 2889 3 0 3 3 0 8 0 art_node 16 674 0 641 1 0 1 1 0 8 0 sysvmsgpl 40 40 0 23 1 0 1 1 0 8 0 semupl 112 4 0 4 1 1 0 1 0 8 0 semapl 112 2008 0 1998 1 0 1 1 0 8 0 shmpl 112 156 0 28 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 11378 0 9947 47 0 47 47 0 8 0 ffsino 272 11378 0 9947 96 0 96 96 0 8 0 nchpl 144 21213 0 20740 61 41 20 61 0 8 0 uvmvnodes 72 6408 0 0 117 0 117 117 0 8 0 vnodes 208 6408 0 0 338 0 338 338 0 8 0 namei 1024 76739 0 76739 5 4 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 vmpool 552 17 0 17 8 8 0 1 0 8 0 scsiplug 64 8 0 8 6 6 0 1 0 8 0 scxspl 192 71613 0 71613 59 58 1 7 0 8 1 plimitpl 152 592 0 584 1 0 1 1 0 8 0 sigapl 432 6772 0 6756 4 2 2 3 0 8 0 futexpl 56 140859 0 140858 3 2 1 1 0 8 0 knotepl 112 1694 0 1675 5 4 1 3 0 8 0 kqueuepl 104 1948 0 1945 8 7 1 4 0 8 0 pipepl 112 4014 0 3995 12 11 1 2 0 8 0 fdescpl 488 6773 0 6756 3 0 3 3 0 8 0 filepl 152 58189 0 58070 60 55 5 14 0 8 0 lockfpl 104 2340 0 2339 1 0 1 1 0 8 0 lockfspl 48 774 0 773 1 0 1 1 0 8 0 sessionpl 112 64 0 53 1 0 1 1 0 8 0 pgrppl 48 142 0 131 1 0 1 1 0 8 0 ucredpl 96 6954 0 6945 1 0 1 1 0 8 0 zombiepl 144 6760 0 6759 6 5 1 1 0 8 0 processpl 896 6792 0 6759 5 1 4 5 0 8 0 procpl 632 21397 0 21352 7 2 5 5 0 8 0 srpgc 64 54 0 54 20 20 0 1 0 8 0 sosppl 128 86 0 86 18 17 1 1 0 8 1 sockpl 384 18207 0 18179 46 42 4 15 0 8 0 mcl64k 65536 557 0 0 64 35 29 34 0 8 1 mcl16k 16384 17 0 0 3 0 3 3 0 8 0 mcl12k 12288 33 0 0 2 0 2 2 0 8 0 mcl9k 9216 19 0 0 2 0 2 2 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 25 0 0 4 1 3 3 0 8 0 mcl2k2 2112 9 0 0 1 0 1 1 0 8 0 mcl2k 2048 204 0 0 21 4 17 21 0 8 0 mtagpl 80 89 0 0 1 0 1 1 0 8 0 mbufpl 256 754 0 0 23 1 22 23 0 8 0 bufpl 256 27775 0 20727 441 0 441 441 0 8 0 anonpl 16 854529 0 840541 227 142 85 88 0 124 11 amapchunkpl 152 51903 0 51779 110 102 8 19 0 158 1 amappl16 192 38653 0 37580 209 146 63 65 0 8 8 amappl15 184 812 0 812 3 2 1 1 0 8 1 amappl14 176 1739 0 1736 2 1 1 1 0 8 0 amappl13 168 1318 0 1318 6 6 0 1 0 8 0 amappl12 160 697 0 695 5 4 1 1 0 8 0 amappl11 152 708 0 693 1 0 1 1 0 8 0 amappl10 144 219 0 211 1 0 1 1 0 8 0 amappl9 136 1892 0 1885 1 0 1 1 0 8 0 amappl8 128 1449 0 1397 2 0 2 2 0 8 0 amappl7 120 402 0 393 1 0 1 1 0 8 0 amappl6 112 641 0 626 1 0 1 1 0 8 0 amappl5 104 1131 0 1117 1 0 1 1 0 8 0 amappl4 96 7854 0 7818 1 0 1 1 0 8 0 amappl3 88 1724 0 1719 1 0 1 1 0 8 0 amappl2 80 51062 0 50979 4 2 2 3 0 8 0 amappl1 72 161357 0 160900 25 15 10 20 0 8 0 amappl 80 22438 0 22391 2 0 2 2 0 84 0 dma4096 4096 1 0 1 1 1 0 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 17 0 17 1 1 0 1 0 8 0 aobjpl 64 157 0 28 3 0 3 3 0 8 0 uaddrrnd 24 6790 0 6756 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 6790 0 6756 1 0 1 1 0 8 0 vmmpekpl 168 59243 0 59208 2 0 2 2 0 8 0 vmmpepl 168 867609 0 865259 412 274 138 150 0 357 33 vmsppl 368 6772 0 6756 2 0 2 2 0 8 0 pdppl 4096 13587 0 13546 8 2 6 6 0 8 0 pvpl 32 2171239 0 2153403 470 268 202 211 0 265 28 pmappl 232 6789 0 6773 9 8 1 2 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 771 0 126 19 0 19 19 0 8 0