uvm_fault(0xffffffff82620600, 0xfffffd0000000010, 0, 1) -> e kernel: page fault trap, code=0 Stopped at pool_cache_get+0x1b1: movq 0x10(%r14),%r13 ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic kernel page fault uvm_fault(0xffffffff82620600, 0xfffffd0000000010, 0, 1) -> e pool_cache_get(ffffffff8266e920) at pool_cache_get+0x1b1 pool_cache_item_magic_check sys/kern/subr_pool.c:1778 [inline] pool_cache_get(ffffffff8266e920) at pool_cache_get+0x1b1 sys/kern/subr_pool.c:1892 end trace frame: 0xffff800023b82920, count: 0 ddb{0}> trace pool_cache_get(ffffffff8266e920) at pool_cache_get+0x1b1 pool_cache_item_magic_check sys/kern/subr_pool.c:1778 [inline] pool_cache_get(ffffffff8266e920) at pool_cache_get+0x1b1 sys/kern/subr_pool.c:1892 pool_get() at pool_get+0x91 sys/kern/subr_pool.c:572 m_get(2,3) at m_get+0x4c sys/kern/uipc_mbuf.c:250 sbappendaddr(fffffd806f6cb480,fffffd806f6cb508,ffffffff82260178,fffffd8068268500,0) at sbappendaddr+0x140 sys/kern/uipc_socket2.c:802 rtm_sendup(fffffd806f6cb480,fffffd80687d1b00,1) at rtm_sendup+0xe7 sys/net/rtsock.c:594 route_input(fffffd80687d1b00,0,0) at route_input+0x1cc sys/net/rtsock.c:560 if_detach(ffff800000b19800) at if_detach+0x381 sys/net/if.c:1145 tun_clone_destroy(ffff800000b19800) at tun_clone_destroy+0x1c7 sys/net/if_tun.c:278 spec_close(ffff800023b82c30) at spec_close+0x3b0 sys/kern/spec_vnops.c:553 VOP_CLOSE(fffffd80625f04e0,1,fffffd807f7c68a0,ffff800020abe9f8) at VOP_CLOSE+0xc0 sys/kern/vfs_vops.c:175 vn_closefile(fffffd807d0aa4c8,ffff800020abe9f8) at vn_closefile+0xd8 vn_close sys/kern/vfs_vnops.c:301 [inline] vn_closefile(fffffd807d0aa4c8,ffff800020abe9f8) at vn_closefile+0xd8 sys/kern/vfs_vnops.c:613 fdrop(fffffd807d0aa4c8,ffff800020abe9f8) at fdrop+0xc2 sys/kern/kern_descrip.c:1273 closef(fffffd807d0aa4c8,ffff800020abe9f8) at closef+0x11d sys/kern/kern_descrip.c:1257 fdfree(ffff800020abe9f8) at fdfree+0x101 sys/kern/kern_descrip.c:1189 exit1(ffff800020abe9f8,0,1) at exit1+0x32f sys/kern/kern_exit.c:196 sys_exit(ffff800020abe9f8,ffff800023b82ec0,ffff800023b82f10) at sys_exit+0x17 sys/kern/kern_exit.c:94 syscall(ffff800023b82f90) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] syscall(ffff800023b82f90) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,1,0,1,0,7f7ffffd7244) at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd7210, count: -18 ddb{0}> show registers rdi 0x7 rsi 0x7 rbp 0xffff800023b82860 rbx 0xe6a15dc2fe3629c7 rdx 0xffffffff82260178 route_src rcx 0 rax 0 r8 0 r9 0x5 r10 0x129dc2711d16fa3c r11 0x4e5409f1a78849bd r12 0xffffffff8266e920 mbpool r13 0 r14 0xfffffd0000000000 r15 0xfffffd807f013f00 rip 0xffffffff817ab8f1 pool_cache_get+0x1b1 cs 0x8 rflags 0x10282 __ALIGN_SIZE+0xf282 rsp 0xffff800023b82800 ss 0x10 pool_cache_get+0x1b1: movq 0x10(%r14),%r13 ddb{0}> show proc PROC (syz-executor.0) pid=212592 stat=onproc flags process=1008 proc=2000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020abf160,0xffffffff826716a0 process=0xffff800020adca80 user=0xffff800023b7e000, vmspace=0xfffffd807f00ab80 estcpu=36, cpticks=3, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 40054 283246 43231 0 3 0x82 nanosleep syz-executor.0 71493 388905 43231 0 3 0x82 nanosleep syz-executor.1 76604 130057 1 0 3 0x100083 ttyin getty 39443 286474 0 0 3 0x14200 bored sosplice 43231 335265 13031 0 3 0x82 thrsleep syz-fuzzer 43231 430098 13031 0 3 0x4000082 nanosleep syz-fuzzer 43231 517001 13031 0 3 0x4000082 thrsleep syz-fuzzer 43231 492419 13031 0 3 0x4000082 thrsleep syz-fuzzer 43231 279190 13031 0 3 0x4000082 thrsleep syz-fuzzer 43231 343891 13031 0 3 0x4000082 thrsleep syz-fuzzer 43231 188341 13031 0 3 0x4000082 kqread syz-fuzzer 43231 239150 13031 0 3 0x4000082 thrsleep syz-fuzzer 43231 353850 13031 0 3 0x4000082 thrsleep syz-fuzzer 43231 377502 13031 0 3 0x4000082 thrsleep syz-fuzzer 13031 232069 23502 0 3 0x10008a pause ksh 23502 169494 10136 0 3 0x92 select sshd 10136 407652 1 0 3 0x80 select sshd 25436 33101 28160 74 3 0x100092 bpf pflogd 28160 184715 1 0 3 0x80 netio pflogd 59879 413998 9008 73 3 0x100090 kqread syslogd 9008 385727 1 0 3 0x100082 netio syslogd 50347 217495 1 77 3 0x100090 poll dhclient 49396 248196 1 0 3 0x80 poll dhclient 24178 141448 0 0 2 0x14200 zerothread 37810 255365 0 0 3 0x14200 aiodoned aiodoned 1317 246277 0 0 3 0x14200 syncer update 99584 38740 0 0 3 0x14200 cleaner cleaner 42082 486034 0 0 7 0x14200 reaper 58578 405049 0 0 3 0x14200 pgdaemon pagedaemon 87875 85125 0 0 3 0x14200 bored crynlk 31351 239912 0 0 3 0x14200 bored crypto 72000 168192 0 0 3 0x40014200 acpi0 acpi0 49387 165659 0 0 3 0x40014200 idle1 49317 261628 0 0 2 0x14200 softnet 28885 256545 0 0 3 0x14200 bored systqmp 69573 391056 0 0 3 0x14200 bored systq 87554 385555 0 0 3 0x40014200 bored softclock 86504 391650 0 0 3 0x40014200 idle0 83802 484425 0 0 3 0x14200 bored smr 1 276629 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9611 6457K 14629K 78643K 19451 0 0 pcb 13 12K 14K 78643K 875 0 0 rtable 120 13K 14K 78643K 2753 0 0 ifaddr 96 21K 22K 78643K 983 0 0 counters 39 33K 33K 78643K 39 0 0 ioctlops 0 0K 4K 78643K 1710 0 0 iov 0 0K 20K 78643K 785 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1217 76K 77K 78643K 4797 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 44 0 0 VM map 29 14K 14K 78643K 52 0 0 sem 12 0K 1K 78643K 1835 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1808 196K 290K 78643K 12765 0 0 file desc 5 13K 25K 78643K 4120 0 0 sigio 0 0K 0K 78643K 53 0 0 proc 62 63K 95K 78643K 1956 0 0 subproc 32 2K 2K 78643K 499 0 0 NFS srvsock 1 0K 0K 78643K 1 0 0 NFS daemon 1 16K 16K 78643K 1 0 0 ip_moptions 0 0K 1K 78643K 469 0 0 in_multi 35 2K 2K 78643K 462 0 0 ether_multi 1 0K 0K 78643K 37 0 0 mrt 1 0K 0K 78643K 7 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 90 397K 397K 78643K 90 0 0 exec 0 0K 1K 78643K 943 0 0 pfkey data 0 0K 0K 78643K 2 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 161 183K 183K 78643K 15551 0 0 UVM aobj 130 6K 6K 78643K 142 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 1306 0 0 NDP 23 0K 1K 78643K 292 0 0 temp 249 3565K 4205K 78643K 179238 0 0 kqueue 0 0K 0K 78643K 37 0 0 SYN cache 2 16K 16K 78643K 2 0 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 69 0 64 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 409 0 407 1 0 1 1 0 8 0 rtentry 112 394 0 352 2 0 2 2 0 8 0 unpcb 120 3005 0 2988 4 3 1 2 0 8 0 syncache 264 27 0 27 9 9 0 1 0 8 0 sackhl 24 2 0 2 2 2 0 1 0 8 0 tcpqe 32 35 0 35 7 7 0 1 0 8 0 tcpcb 544 4604 0 4600 58 57 1 14 0 8 0 inpcb 280 12631 0 12624 52 50 2 13 0 8 1 rttmr 72 1 0 1 1 1 0 1 0 8 0 ip6q 72 5 0 5 2 2 0 1 0 8 0 ip6af 40 13 0 13 2 2 0 1 0 8 0 nd6 48 67 0 62 6 5 1 1 0 8 0 pkpcb 40 24 0 24 7 7 0 1 0 8 0 swfcl 56 4 0 0 1 0 1 1 0 8 0 ppxss 1128 141 0 141 7 6 1 1 0 8 1 pffrag 232 108 0 108 11 11 0 1 0 482 0 pffrnode 88 108 0 108 11 11 0 1 0 8 0 pffrent 40 3202 0 3202 11 11 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 24 362 0 300 1 0 1 1 0 8 0 pfstkey 112 364 0 302 3 0 3 3 0 8 0 pfstate 328 364 0 302 9 1 8 8 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 8 0 7 8 7 1 3 0 8 0 art_heap4 256 1802 0 1572 43 28 15 15 0 8 0 art_table 32 1810 0 1579 2 0 2 2 0 8 0 art_node 16 391 0 353 1 0 1 1 0 8 0 sysvmsgpl 40 56 0 40 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 1833 0 1823 1 0 1 1 0 8 0 shmpl 112 140 0 12 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 7519 0 6112 46 0 46 46 0 8 0 ffsino 272 7519 0 6112 95 0 95 95 0 8 0 nchpl 144 13563 0 13102 61 40 21 61 0 8 0 uvmvnodes 72 5926 0 0 108 0 108 108 0 8 0 vnodes 208 5926 0 0 312 0 312 312 0 8 0 namei 1024 46434 0 46434 2 1 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 vcpupl 1984 27 0 0 4 0 4 4 0 8 0 vmpool 552 50 0 23 2 0 2 2 0 8 0 scsiplug 64 4 0 4 2 2 0 1 0 8 0 scxspl 192 47128 0 47128 30 29 1 7 0 8 1 plimitpl 152 397 0 389 1 0 1 1 0 8 0 sigapl 432 4242 0 4227 4 2 2 3 0 8 0 futexpl 56 98660 0 98660 1 0 1 1 0 8 1 knotepl 112 1208 0 1189 2 1 1 2 0 8 0 kqueuepl 104 1480 0 1477 13 12 1 4 0 8 0 pipepl 112 2566 0 2547 6 5 1 2 0 8 0 fdescpl 488 4243 0 4227 3 0 3 3 0 8 0 filepl 152 39333 0 39231 57 52 5 14 0 8 0 lockfpl 104 1442 0 1441 1 0 1 1 0 8 0 lockfspl 48 470 0 469 1 0 1 1 0 8 0 sessionpl 112 48 0 37 1 0 1 1 0 8 0 pgrppl 48 89 0 78 1 0 1 1 0 8 0 ucredpl 96 4503 0 4493 1 0 1 1 0 8 0 zombiepl 144 4229 0 4227 1 0 1 1 0 8 0 processpl 896 4260 0 4227 5 1 4 5 0 8 0 procpl 632 13360 0 13317 6 1 5 5 0 8 1 srpgc 64 49 0 49 13 13 0 1 0 8 0 sosppl 128 70 0 70 13 12 1 1 0 8 1 sockpl 384 16172 0 16146 86 81 5 23 0 8 0 mcl64k 65536 259 0 0 33 26 7 33 0 8 0 mcl16k 16384 17 0 0 3 0 3 3 0 8 0 mcl12k 12288 17 0 0 2 0 2 2 0 8 0 mcl9k 9216 14 0 0 1 0 1 1 0 8 0 mcl8k 8192 22 0 0 3 1 2 3 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 10 0 0 1 0 1 1 0 8 0 mcl2k 2048 181 0 0 21 1 20 21 0 8 0 mtagpl 80 38 0 0 1 0 1 1 0 8 0 mbufpl 256 578 0 0 28 0 28 28 0 8 0 mbufpl: pool(0xffffffff8266e920:mbufpl): free list modified: page 0xfffffd806c9e8000; item ordinal 2; addr 0xfffffd806c9e8200 (p 0xfffffd806987e000); offset 0x0=0x6a8640000000000 bufpl 256 20258 0 13210 441 0 441 441 0 8 0 anonpl 16 517897 0 501562 185 101 84 95 0 124 5 amapchunkpl 152 30200 0 30066 43 36 7 13 0 158 0 amappl16 192 23222 0 22134 172 115 57 67 0 8 0 amappl15 184 821 0 821 2 2 0 1 0 8 0 amappl14 176 645 0 639 1 0 1 1 0 8 0 amappl13 168 1087 0 1087 3 2 1 1 0 8 1 amappl12 160 87 0 86 2 1 1 1 0 8 0 amappl11 152 812 0 797 1 0 1 1 0 8 0 amappl10 144 426 0 422 1 0 1 1 0 8 0 amappl9 136 1287 0 1281 1 0 1 1 0 8 0 amappl8 128 836 0 788 2 0 2 2 0 8 0 amappl7 120 592 0 584 1 0 1 1 0 8 0 amappl6 112 780 0 766 1 0 1 1 0 8 0 amappl5 104 448 0 433 1 0 1 1 0 8 0 amappl4 96 4749 0 4716 1 0 1 1 0 8 0 amappl3 88 690 0 677 1 0 1 1 0 8 0 amappl2 80 32539 0 32467 3 1 2 3 0 8 0 amappl1 72 105982 0 105545 25 15 10 20 0 8 0 amappl 80 14108 0 14055 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 64 141 0 12 3 0 3 3 0 8 0 uaddrrnd 24 4293 0 4227 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 4293 0 4227 1 0 1 1 0 8 0 vmmpekpl 168 38333 0 38292 3 0 3 3 0 8 0 vmmpepl 168 551766 0 549466 277 134 143 152 0 357 34 vmsppl 368 4242 0 4227 2 0 2 2 0 8 0 pdppl 4096 8593 0 8527 11 2 9 9 0 8 0 pvpl 32 1385229 0 1366121 359 155 204 222 0 265 22 pmappl 232 4292 0 4250 4 1 3 3 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 758 0 126 19 0 19 19 0 8 0