uvm_fault(0xfffffd807efff730, 0x4, 0, 1) -> e kernel: page fault trap, code=0 Stopped at pfi_address_add+0x1eb: movl 0x4(%rax),%eax ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic kernel page fault uvm_fault(0xfffffd807efff730, 0x4, 0, 1) -> e pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 end trace frame: 0xffff8000230eba40, count: 0 ddb{1}> trace pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 pfi_instance_add(ffff800000b28000,0,2) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000b35a40,ffff800000af6b00,0,2) at pfi_table_update+0x174 pfi_kif_update(ffff800000af6b00) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000af6b00) at pfi_kif_update+0xba sys/net/pf_if.c:442 pfi_kif_update(ffff800000b11c00) at pfi_kif_update+0x121 if_hooks_run(ffff800000b28050) at if_hooks_run+0xc5 sys/net/if.c:955 in_ifdetach(ffff800000b28000) at in_ifdetach+0x7c sys/netinet/in.c:967 if_detach(ffff800000b28000) at if_detach+0x140 sys/net/if.c:1039 tun_clone_destroy(ffff800000b28000) at tun_clone_destroy+0x1e1 sys/net/if_tun.c:326 tun_dev_close(5d01,7) at tun_dev_close+0x160 sys/net/if_tun.c:477 spec_close(ffff8000230ebdd0) at spec_close+0x311 sys/kern/spec_vnops.c:560 VOP_CLOSE(fffffd806e30e1a8,7,fffffd807f7bfa80,ffff800020e0ad58) at VOP_CLOSE+0xc0 sys/kern/vfs_vops.c:174 vn_closefile(fffffd8066444e60,ffff800020e0ad58) at vn_closefile+0xd7 vn_close sys/kern/vfs_vnops.c:298 [inline] vn_closefile(fffffd8066444e60,ffff800020e0ad58) at vn_closefile+0xd7 sys/kern/vfs_vnops.c:614 fdrop(fffffd8066444e60,ffff800020e0ad58) at fdrop+0xc2 sys/kern/kern_descrip.c:1279 closef(fffffd8066444e60,ffff800020e0ad58) at closef+0x11c sys/kern/kern_descrip.c:1263 fdfree(ffff800020e0ad58) at fdfree+0x101 sys/kern/kern_descrip.c:1195 exit1(ffff800020e0ad58,0,19,1) at exit1+0x32c sys/kern/kern_exit.c:197 postsig(ffff800020e0ad58,19) at postsig+0x4ed sigexit sys/kern/kern_sig.c:1483 [inline] postsig(ffff800020e0ad58,19) at postsig+0x4ed sys/kern/kern_sig.c:1415 userret(ffff800020e0ad58) at userret+0x199 sys/kern/kern_sig.c:1872 syscall(ffff8000230ec250) at syscall+0x55f mi_syscall_return sys/sys/syscall_mi.h:129 [inline] syscall(ffff8000230ec250) at syscall+0x55f sys/arch/amd64/amd64/trap.c:592 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe10b0, count: -21 ddb{1}> show registers rdi 0x20 rsi 0 rbp 0xffff8000230eb9a0 rbx 0 rdx 0 rcx 0xffff800000657000 rax 0 r8 0xffffffff815134c1 pfi_instance_add+0xf1 r9 0x1 r10 0x2 r11 0xa921285fee4c24b3 r12 0 r13 0x2 r14 0xffff800000657000 r15 0 rip 0xffffffff81513c0b pfi_address_add+0x1eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000230eb930 ss 0x10 pfi_address_add+0x1eb: movl 0x4(%rax),%eax ddb{1}> show proc PROC (syz-executor.1) pid=129316 stat=onproc flags process=a proc=2000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020e37c58,0xffff800020ed0630 process=0xffff800023f15778 user=0xffff8000230e7000, vmspace=0xfffffd807efff730 estcpu=36, cpticks=2, pctcpu=0.34 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 67311 335453 0 0 3 0x14200 acct acct 59655 79870 0 0 3 0x14280 nfsidl nfsio 72068 333171 0 0 3 0x14280 nfsidl nfsio 22960 152279 0 0 3 0x14280 nfsidl nfsio 34824 286040 0 0 3 0x14280 nfsidl nfsio 85982 515412 0 0 3 0x14280 nfsidl nfsio 36781 144462 0 0 3 0x14280 nfsidl nfsio 21222 310013 0 0 3 0x14280 nfsidl nfsio 97817 385739 0 0 3 0x14280 nfsidl nfsio 65510 89857 0 0 3 0x14280 nfsidl nfsio 65062 358977 0 0 3 0x14280 nfsidl nfsio 8950 453087 0 0 3 0x14280 nfsidl nfsio 10828 397740 0 0 3 0x14280 nfsidl nfsio 35500 195187 0 0 3 0x14280 nfsidl nfsio 60109 325280 0 0 3 0x14280 nfsidl nfsio 97298 370836 0 0 3 0x14280 nfsidl nfsio 51447 129158 0 0 3 0x14280 nfsidl nfsio 43618 335629 0 0 3 0x14280 nfsidl nfsio 71739 187687 0 0 3 0x14280 nfsidl nfsio 98802 324969 0 0 3 0x14280 nfsidl nfsio 74468 67100 0 0 3 0x14280 nfsidl nfsio 90139 181719 0 0 3 0x14200 bored sosplice 20321 113139 38319 0 3 0x82 piperd syz-executor.0 38319 272852 28598 0 3 0x82 thrsleep syz-fuzzer 38319 520136 28598 0 2 0x4000002 syz-fuzzer 38319 148769 28598 0 3 0x4000082 thrsleep syz-fuzzer 38319 269132 28598 0 3 0x4000082 thrsleep syz-fuzzer 38319 48937 28598 0 3 0x4000082 thrsleep syz-fuzzer 38319 151343 28598 0 3 0x4000082 thrsleep syz-fuzzer 38319 303825 28598 0 3 0x4000082 thrsleep syz-fuzzer 38319 151822 28598 0 2 0x4000002 syz-fuzzer 38319 25327 28598 0 3 0x4000082 thrsleep syz-fuzzer 38319 125167 28598 0 3 0x4000082 kqread syz-fuzzer 28598 116019 89068 0 3 0x10008a pause ksh 89068 132901 83145 0 3 0x92 select sshd 7887 180224 1 0 3 0x100083 ttyin getty 83145 360968 1 0 3 0x80 select sshd 4155 514647 49139 74 3 0x100092 bpf pflogd 49139 71129 1 0 3 0x80 netio pflogd 24042 435909 70110 73 3 0x100090 kqread syslogd 70110 192124 1 0 3 0x100082 netio syslogd 38662 497690 1 77 7 0x100090 dhclient 60798 471891 1 0 3 0x80 poll dhclient 70166 260938 0 0 3 0x14200 bored smr 30976 109867 0 0 3 0x14200 pgzero zerothread 45603 455022 0 0 3 0x14200 aiodoned aiodoned 9021 142455 0 0 3 0x14200 syncer update 74721 377000 0 0 3 0x14200 cleaner cleaner 79676 499733 0 0 3 0x14200 reaper reaper 94906 417391 0 0 3 0x14200 pgdaemon pagedaemon 53080 270737 0 0 3 0x14200 bored crynlk 1864 511808 0 0 3 0x14200 bored crypto 89310 312701 0 0 3 0x40014200 acpi0 acpi0 60741 277698 0 0 3 0x40014200 idle1 51916 239024 0 0 3 0x14200 bored softnet 10339 29820 0 0 2 0x14200 systqmp 37457 360868 0 0 3 0x14200 bored systq 95898 163732 0 0 3 0x40014200 bored softclock 61918 151764 0 0 3 0x40014200 idle0 1 388253 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9529 6420K 8031K 78643K 13522 0 pcb 13 8K 8K 78643K 91 0 rtable 119 10K 11K 78643K 464 0 ifaddr 90 17K 18K 78643K 171 0 sysctl 2 0K 0K 78643K 2 0 counters 43 33K 34K 78643K 67 0 ioctlops 0 0K 4K 78643K 1557 0 iov 0 0K 16K 78643K 46 0 mount 1 1K 1K 78643K 1 0 vnodes 1227 77K 77K 78643K 1937 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 16 0 VM map 2 1K 1K 78643K 2 0 sem 12 1K 1K 78643K 41 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 4 9K 25K 78643K 688 0 sigio 0 0K 0K 78643K 6 0 proc 62 63K 95K 78643K 512 0 subproc 23 1K 2K 78643K 51 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 38 0 in_multi 62 3K 3K 78643K 141 0 ether_multi 1 0K 0K 78643K 8 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 43 201K 201K 78643K 43 0 exec 0 0K 1K 78643K 254 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 128 39K 52K 78643K 3101 0 UVM aobj 38 2K 2K 78643K 39 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 47 0 NDP 14 0K 0K 78643K 38 0 temp 145 3865K 3932K 78643K 15015 0 kqueue 3 4K 12K 78643K 30 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 arp 64 8 0 4 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 50 0 48 1 0 1 1 0 8 0 rtentry 112 79 0 43 2 0 2 2 0 8 0 unpcb 120 370 0 360 1 0 1 1 0 8 0 syncache 264 6 0 6 2 2 0 1 0 8 0 tcpqe 32 450 0 450 2 2 0 2 0 8 0 tcpcb 544 145 0 141 3 2 1 2 0 8 0 inpcb 296 626 0 619 4 3 1 2 0 8 0 nd6 48 20 0 17 1 0 1 1 0 8 0 pkpcb 40 8 0 8 1 1 0 1 0 8 0 ppxss 1136 2 0 2 2 2 0 1 0 8 0 pfstscr 40 2 0 2 1 1 0 1 0 8 0 pffrag 232 5 0 3 1 0 1 1 0 482 0 pffrnode 88 5 0 3 1 0 1 1 0 8 0 pffrent 40 100 0 98 1 0 1 1 0 8 0 pfosfp 40 848 0 423 5 0 5 5 0 8 0 pfosfpen 112 1430 0 714 21 0 21 21 0 8 0 pfrke_plain 160 4 0 1 1 0 1 1 0 8 0 pfrktable 1344 36 0 24 3 1 2 2 0 8 1 pftag 88 4 0 2 1 0 1 1 0 8 0 pfstitem 24 13 0 7 1 0 1 1 0 8 0 pfstkey 112 15 0 9 1 0 1 1 0 8 0 pfstate 328 13 0 7 1 0 1 1 0 8 0 pfrule 1360 37 0 23 3 1 2 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 350 0 173 15 3 12 13 0 8 0 art_table 32 352 0 173 2 0 2 2 0 8 0 art_node 16 78 0 43 1 0 1 1 0 8 0 sysvmsgpl 40 23 0 14 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 36 0 26 1 0 1 1 0 8 0 shmpl 112 36 0 1 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2270 0 867 89 0 89 89 0 8 0 ffsino 272 2270 0 867 96 1 95 95 0 8 0 nchpl 144 3378 0 1784 60 0 60 60 0 8 0 rtmask 32 8 0 5 1 0 1 1 0 8 0 uvmvnodes 72 2960 0 0 54 0 54 54 0 8 0 vnodes 208 2960 0 0 156 0 156 156 0 8 0 namei 1024 9682 0 9682 3 2 1 1 0 8 1 percpumem 16 44 0 12 1 0 1 1 0 8 0 vcpupl 1984 2 0 0 1 0 1 1 0 8 0 vmpool 560 4 0 2 1 0 1 1 0 8 0 pfiaddrpl 120 10 0 4 1 0 1 1 0 8 0 scsiplug 64 1 0 1 1 1 0 1 0 8 0 scxspl 192 10006 0 10006 9 8 1 7 0 8 1 plimitpl 152 69 0 61 1 0 1 1 0 8 0 sigapl 424 926 0 874 6 0 6 6 0 8 0 futexpl 56 10977 0 10977 2 1 1 1 0 8 1 knotepl 112 104 0 87 1 0 1 1 0 8 0 kqueuepl 144 95 0 91 1 0 1 1 0 8 0 pipepl 304 562 0 553 4 2 2 2 0 8 1 fdescpl 496 885 0 870 3 0 3 3 0 8 0 filepl 152 5637 0 5548 7 2 5 5 0 8 1 lockfpl 104 141 0 140 1 0 1 1 0 8 0 lockfspl 48 52 0 51 1 0 1 1 0 8 0 sessionpl 112 19 0 8 1 0 1 1 0 8 0 pgrppl 48 27 0 16 1 0 1 1 0 8 0 ucredpl 96 460 0 451 1 0 1 1 0 8 0 zombiepl 144 875 0 874 3 2 1 1 0 8 0 processpl 992 926 0 874 8 1 7 7 0 8 0 procpl 624 2297 0 2236 7 1 6 6 0 8 0 sosppl 128 3 0 3 2 2 0 1 0 8 0 sockpl 400 1059 0 1040 8 5 3 4 0 8 1 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 7 0 0 1 0 1 1 0 8 0 mcl9k 9216 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 5 0 0 1 0 1 1 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 231 0 0 28 0 28 28 0 8 0 mtagpl 96 26 0 0 1 0 1 1 0 8 0 mbufpl 256 281 0 0 17 0 17 17 0 8 0 bufpl 280 4547 0 137 315 0 315 315 0 8 0 anonpl 16 97893 0 80385 83 5 78 78 0 124 6 amapchunkpl 152 4925 0 4764 16 4 12 12 0 158 4 amappl16 192 3167 0 2229 48 0 48 48 0 8 0 amappl15 184 220 0 217 1 0 1 1 0 8 0 amappl14 176 448 0 443 1 0 1 1 0 8 0 amappl13 168 35 0 32 1 0 1 1 0 8 0 amappl12 160 14 0 11 2 1 1 1 0 8 0 amappl11 152 488 0 472 1 0 1 1 0 8 0 amappl10 144 232 0 226 1 0 1 1 0 8 0 amappl9 136 380 0 379 1 0 1 1 0 8 0 amappl8 128 369 0 342 1 0 1 1 0 8 0 amappl7 120 339 0 325 1 0 1 1 0 8 0 amappl6 112 22 0 20 1 0 1 1 0 8 0 amappl5 104 366 0 350 1 0 1 1 0 8 0 amappl4 96 933 0 902 1 0 1 1 0 8 0 amappl3 88 547 0 541 1 0 1 1 0 8 0 amappl2 80 6102 0 6038 2 0 2 2 0 8 0 amappl1 72 34910 0 34492 23 13 10 18 0 8 0 amappl 80 2537 0 2491 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 18 0 17 1 0 1 1 0 8 0 aobjpl 64 38 0 1 1 0 1 1 0 8 0 uaddrrnd 24 889 0 872 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 889 0 872 1 0 1 1 0 8 0 vmmpekpl 168 12228 0 12187 2 0 2 2 0 8 0 vmmpepl 168 119407 0 117414 157 56 101 128 0 357 3 vmsppl 368 888 0 872 2 0 2 2 0 8 0 pdppl 4096 1785 0 1746 8 2 6 6 0 8 0 pvpl 32 311924 0 291226 201 14 187 187 0 265 17 pmappl 232 888 0 872 3 1 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 290 0 19 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff82742ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff828e6860) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828e6860) at __mp_lock+0x127 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff828e6860,2) at __mp_acquire_count+0x51 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x392 sys/kern/sched_bsd.c:435 sleep_finish(ffff800020e17e00,1) at sleep_finish+0x113 sys/kern/kern_synch.c:418 sleep_finish_all(ffff800020e17e00,1) at sleep_finish_all+0x32 sleep_finish_timeout sys/kern/kern_synch.c:447 [inline] sleep_finish_all(ffff800020e17e00,1) at sleep_finish_all+0x32 sys/kern/kern_synch.c:393 tsleep(ffffffff828ee9ac,118,ffffffff8246909f,ccccc78) at tsleep+0x1cc sys/kern/kern_synch.c:155 doppoll(ffff800020ddcea8,7f7ffffd2c40,3,ffff800020e17f98,0,ffff800020e18050) at doppoll+0x57e sys/kern/sys_generic.c:968 sys_poll(ffff800020ddcea8,ffff800020e18000,ffff800020e18050) at sys_poll+0xa6 syscall(ffff800020e180d0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e180d0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd2c20, count: -13 ddb{0}> machine ddbcpu 1 Stopped at pfi_address_add+0x1eb: movl 0x4(%rax),%eax ddb{1}> trace pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 pfi_instance_add(ffff800000b28000,0,2) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000b35a40,ffff800000af6b00,0,2) at pfi_table_update+0x174 pfi_kif_update(ffff800000af6b00) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000af6b00) at pfi_kif_update+0xba sys/net/pf_if.c:442 pfi_kif_update(ffff800000b11c00) at pfi_kif_update+0x121 if_hooks_run(ffff800000b28050) at if_hooks_run+0xc5 sys/net/if.c:955 in_ifdetach(ffff800000b28000) at in_ifdetach+0x7c sys/netinet/in.c:967 if_detach(ffff800000b28000) at if_detach+0x140 sys/net/if.c:1039 tun_clone_destroy(ffff800000b28000) at tun_clone_destroy+0x1e1 sys/net/if_tun.c:326 tun_dev_close(5d01,7) at tun_dev_close+0x160 sys/net/if_tun.c:477 spec_close(ffff8000230ebdd0) at spec_close+0x311 sys/kern/spec_vnops.c:560 VOP_CLOSE(fffffd806e30e1a8,7,fffffd807f7bfa80,ffff800020e0ad58) at VOP_CLOSE+0xc0 sys/kern/vfs_vops.c:174 vn_closefile(fffffd8066444e60,ffff800020e0ad58) at vn_closefile+0xd7 vn_close sys/kern/vfs_vnops.c:298 [inline] vn_closefile(fffffd8066444e60,ffff800020e0ad58) at vn_closefile+0xd7 sys/kern/vfs_vnops.c:614 fdrop(fffffd8066444e60,ffff800020e0ad58) at fdrop+0xc2 sys/kern/kern_descrip.c:1279 closef(fffffd8066444e60,ffff800020e0ad58) at closef+0x11c sys/kern/kern_descrip.c:1263 fdfree(ffff800020e0ad58) at fdfree+0x101 sys/kern/kern_descrip.c:1195 exit1(ffff800020e0ad58,0,19,1) at exit1+0x32c sys/kern/kern_exit.c:197 postsig(ffff800020e0ad58,19) at postsig+0x4ed sigexit sys/kern/kern_sig.c:1483 [inline] postsig(ffff800020e0ad58,19) at postsig+0x4ed sys/kern/kern_sig.c:1415 userret(ffff800020e0ad58) at userret+0x199 sys/kern/kern_sig.c:1872 syscall(ffff8000230ec250) at syscall+0x55f mi_syscall_return sys/sys/syscall_mi.h:129 [inline] syscall(ffff8000230ec250) at syscall+0x55f sys/arch/amd64/amd64/trap.c:592 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe10b0, count: -21