uvm_fault(0xfffffd8079747888, 0x11e57ee8, 0, 1) -> e kernel: page fault trap, code=0 Stopped at pf_anchor_global_RB_INSERT_COLOR+0x70: movl 0x18(%r14),%r12d TID PID UID PRFLAGS PFLAGS CPU COMMAND *365617 27834 0 0 0x4000000 0 syz-executor.4 pf_anchor_global_RB_INSERT_COLOR(ffffffff82a20bd0,ffff8000012e2800) at pf_anchor_global_RB_INSERT_COLOR+0x70 sys/net/pf_ruleset.c:84 pf_create_anchor(0,ffff800000cfd000) at pf_create_anchor+0x2de pf_anchor_global_RB_INSERT sys/net/pf_ruleset.c:84 [inline] pf_create_anchor(0,ffff800000cfd000) at pf_create_anchor+0x2de sys/net/pf_ruleset.c:203 pf_find_or_create_ruleset(ffff8000012e1804) at pf_find_or_create_ruleset+0x372 sys/net/pf_ruleset.c:269 pfioctl(4900,c0104451,ffff80002d2693c0,3,ffff8000264eba40) at pfioctl+0x427c pf_begin_rules sys/net/pf_ioctl.c:525 [inline] pfioctl(4900,c0104451,ffff80002d2693c0,3,ffff8000264eba40) at pfioctl+0x427c sys/net/pf_ioctl.c:2511 VOP_IOCTL(fffffd806e83c698,c0104451,ffff80002d2693c0,3,fffffd807f7d8900,ffff8000264eba40) at VOP_IOCTL+0x8d sys/kern/vfs_vops.c:264 vn_ioctl(fffffd807885cd30,c0104451,ffff80002d2693c0,ffff8000264eba40) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:531 sys_ioctl(ffff8000264eba40,ffff80002d2694d8,ffff80002d269530) at sys_ioctl+0x49e syscall(ffff80002d2695a0) at syscall+0x44e sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x85f8564780, count: 6 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> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic *cpu0: uvm_fault(0xfffffd8079747888, 0x11e57ee8, 0, 1) -> e ddb> trace pf_anchor_global_RB_INSERT_COLOR(ffffffff82a20bd0,ffff8000012e2800) at pf_anchor_global_RB_INSERT_COLOR+0x70 sys/net/pf_ruleset.c:84 pf_create_anchor(0,ffff800000cfd000) at pf_create_anchor+0x2de pf_anchor_global_RB_INSERT sys/net/pf_ruleset.c:84 [inline] pf_create_anchor(0,ffff800000cfd000) at pf_create_anchor+0x2de sys/net/pf_ruleset.c:203 pf_find_or_create_ruleset(ffff8000012e1804) at pf_find_or_create_ruleset+0x372 sys/net/pf_ruleset.c:269 pfioctl(4900,c0104451,ffff80002d2693c0,3,ffff8000264eba40) at pfioctl+0x427c pf_begin_rules sys/net/pf_ioctl.c:525 [inline] pfioctl(4900,c0104451,ffff80002d2693c0,3,ffff8000264eba40) at pfioctl+0x427c sys/net/pf_ioctl.c:2511 VOP_IOCTL(fffffd806e83c698,c0104451,ffff80002d2693c0,3,fffffd807f7d8900,ffff8000264eba40) at VOP_IOCTL+0x8d sys/kern/vfs_vops.c:264 vn_ioctl(fffffd807885cd30,c0104451,ffff80002d2693c0,ffff8000264eba40) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:531 sys_ioctl(ffff8000264eba40,ffff80002d2694d8,ffff80002d269530) at sys_ioctl+0x49e syscall(ffff80002d2695a0) at syscall+0x44e sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x85f8564780, count: -9 ddb> show registers rdi 0x1 rsi 0x1 rbp 0xffff80002d268fc0 rbx 0xffff8000012e2800 rdx 0xffff800000beec00 rcx 0x788 rax 0xffff8000264eba40 r8 0x101010101010101 r9 0x8080808080808080 r10 0xfb8d1098e2e16cdd r11 0x2c72ad153be38a47 r12 0x1 r13 0xffff800001231800 r14 0x11e57ed0 __kernel_phys_end+0xf257ed0 r15 0xffff8000011d0000 rip 0xffffffff81c8fed0 pf_anchor_global_RB_INSERT_COLOR+0x70 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff80002d268f70 ss 0x10 pf_anchor_global_RB_INSERT_COLOR+0x70: movl 0x18(%r14),%r12d ddb> show proc PROC (syz-executor.4) pid=365617 stat=onproc flags process=0 proc=4000000 pri=84, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000264ea7e0,0xffff8000264eafd0 process=0xffff80002167bba8 user=0xffff80002d264000, vmspace=0xfffffd8079747888 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=2, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 59694 49702 4844 0 2 0 syz-executor.0 59694 49077 4844 0 3 0x4000080 fsleep syz-executor.0 59694 481900 4844 0 3 0x4000080 fsleep syz-executor.0 27834 186936 20000 0 3 0x80 fsleep syz-executor.4 *27834 365617 20000 0 7 0x4000000 syz-executor.4 74941 256206 9106 0 2 0x480 syz-executor.2 74941 134289 9106 0 3 0x4000080 fsleep syz-executor.2 74941 266506 9106 0 3 0x4000080 fsleep syz-executor.2 74941 498698 9106 0 3 0x4000080 fsleep syz-executor.2 9106 142645 93518 0 2 0x482 syz-executor.2 50604 264564 0 0 3 0x14200 acct acct 96518 43047 93518 0 2 0x482 syz-executor.7 87232 495259 0 0 3 0x14280 nfsidl nfsio 44505 162660 0 0 3 0x14280 nfsidl nfsio 15277 252724 0 0 3 0x14280 nfsidl nfsio 69101 481224 0 0 3 0x14280 nfsidl nfsio 51199 301337 0 0 3 0x14280 nfsidl nfsio 39149 374175 0 0 3 0x14280 nfsidl nfsio 35465 335723 0 0 3 0x14280 nfsidl nfsio 52626 69795 0 0 3 0x14280 nfsidl nfsio 75829 401317 0 0 3 0x14280 nfsidl nfsio 82067 145089 0 0 3 0x14280 nfsidl nfsio 67751 449791 0 0 3 0x14280 nfsidl nfsio 23784 277242 0 0 3 0x14280 nfsidl nfsio 45154 274241 0 0 3 0x14280 nfsidl nfsio 97182 18620 0 0 3 0x14280 nfsidl nfsio 20000 60369 93518 0 2 0x482 syz-executor.4 9565 311013 0 0 3 0x14280 nfsidl nfsio 26521 137421 0 0 3 0x14280 nfsidl nfsio 868 334845 0 0 3 0x14280 nfsidl nfsio 33092 75107 0 0 3 0x14280 nfsidl nfsio 88684 81411 0 0 3 0x14280 nfsidl nfsio 85008 46518 0 0 3 0x14280 nfsidl nfsio 25455 171723 93518 0 2 0x482 syz-executor.6 39720 451420 93518 0 2 0x482 syz-executor.5 99535 498026 0 0 3 0x14200 bored sosplice 35293 33821 93518 0 2 0x482 syz-executor.3 91412 65182 93518 0 2 0x482 syz-executor.1 4844 158298 93518 0 2 0x482 syz-executor.0 93518 190144 1147 0 3 0x82 thrsleep syz-fuzzer 93518 148057 1147 0 3 0x4000082 thrsleep syz-fuzzer 93518 205529 1147 0 3 0x4000082 thrsleep syz-fuzzer 93518 30640 1147 0 3 0x4000082 thrsleep syz-fuzzer 93518 106657 1147 0 3 0x4000082 thrsleep syz-fuzzer 93518 291454 1147 0 3 0x4000082 kqread syz-fuzzer 93518 472364 1147 0 3 0x4000082 thrsleep syz-fuzzer 93518 59061 1147 0 3 0x4000082 thrsleep syz-fuzzer 93518 466533 1147 0 3 0x4000082 thrsleep syz-fuzzer 1147 488983 1166 0 3 0x10008a sigsusp ksh 1166 351841 63127 0 3 0x9a kqread sshd 39641 463790 1 0 3 0x100083 ttyin getty 63127 446348 1 0 3 0x88 kqread sshd 69961 338572 94199 73 3 0x1100090 kqread syslogd 94199 312331 1 0 3 0x100082 netio syslogd 85121 466514 1 0 3 0x100080 kqread resolvd 35744 222342 36224 77 3 0x100092 kqread dhcpleased 62647 245195 36224 77 3 0x100092 kqread dhcpleased 36224 244710 1 0 3 0x80 kqread dhcpleased 83067 368721 0 0 3 0x14200 bored smr 25052 220948 0 0 2 0x14200 zerothread 32417 205263 0 0 3 0x14200 aiodoned aiodoned 791 262115 0 0 3 0x14200 syncer update 77847 91358 0 0 3 0x14200 cleaner cleaner 64437 41322 0 0 3 0x14200 reaper reaper 10874 406682 0 0 3 0x14200 pgdaemon pagedaemon 52581 75161 0 0 3 0x14200 bored viomb 56471 289469 0 0 3 0x40014200 acpi0 acpi0 39026 99170 0 0 2 0x14200 softnet 71847 336471 0 0 3 0x14200 bored systqmp 99878 116343 0 0 3 0x14200 bored systq 55057 393668 0 0 2 0x40014200 softclock 70851 192306 0 0 3 0x40014200 idle0 1 194728 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10169 6417K 7369K 78643K 21113 0 pcb 13 12K 14K 78643K 514 0 rtable 263 16K 18K 78643K 1424 0 ifaddr 103 22K 23K 78643K 6563 0 sysctl 2 0K 0K 78643K 2 0 counters 27 17K 17K 78643K 45 0 ioctlops 0 0K 4K 78643K 47841 0 iov 0 0K 16K 78643K 1668 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1331 83K 83K 78643K 4994 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 17K 78643K 91 0 VM map 2 0K 0K 78643K 2 0 sem 12 0K 1K 78643K 576 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 13 45K 85K 78643K 33671 0 sigio 0 0K 0K 78643K 31 0 proc 59 55K 87K 78643K 1063 0 subproc 104 6K 6K 78643K 261 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 212 0 in_multi 100 6K 7K 78643K 349 0 ether_multi 1 0K 0K 78643K 52 0 mrt 0 0K 0K 78643K 73 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 91 413K 413K 78643K 91 0 exec 0 0K 2K 78643K 1468 0 pfkey data 0 0K 1K 78643K 4 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 413 187K 221K 78643K 421808 0 UVM aobj 98 3K 3K 78643K 119 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 856 0 NDP 11 0K 2K 78643K 69 0 temp 2612 9680K 9725K 78643K 137427 0 kqueue 12 18K 76K 78643K 501 0 SYN cache 2 16K 16K 78643K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 398 0 395 4 3 1 3 0 8 0 rtentry 112 278 0 177 4 0 4 4 0 8 0 unpcb 136 6956 0 6943 80 79 1 9 0 8 0 syncache 296 29 0 29 5 5 0 1 0 8 0 sackhl 24 2 0 2 2 2 0 1 0 8 0 tcpqe 32 123 0 123 4 4 0 1 0 8 0 tcpcb 736 1573 0 1569 55 54 1 13 0 8 0 arp 88 46 0 28 1 0 1 1 0 8 0 ipq 40 17 0 11 3 2 1 1 0 8 0 ipqe 40 881 0 875 3 2 1 1 0 8 0 inpcb 312 3926 0 3919 68 67 1 11 0 8 0 rttmr 72 19 0 19 4 4 0 1 0 8 0 ip6q 72 4 0 3 2 1 1 1 0 8 0 ip6af 40 7 0 6 2 1 1 1 0 8 0 nd6 48 63 0 37 1 0 1 1 0 8 0 pkpcb 40 12 0 12 6 6 0 1 0 8 0 kcovpl 48 20 0 12 1 0 1 1 0 8 0 pfstscr 40 19 0 19 2 2 0 1 0 8 0 pfosfp 40 11426 0 11425 8 7 1 2 0 8 0 pfosfpen 112 11426 0 11425 211 210 1 109 0 8 0 pfrktable 1344 214 0 195 4 2 2 2 0 8 0 pftag 88 17 0 4 1 0 1 1 0 8 0 pfqueue 264 41 0 41 16 16 0 1 0 8 0 pfstitem 24 10 0 10 1 1 0 1 0 8 0 pfstkey 112 34 0 34 3 3 0 1 0 8 0 pfstate 320 19 659 19 3 3 0 1 0 8 0 pfrule 1360 10494 0 9311 100 1 99 99 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1093 0 637 36 7 29 29 0 8 0 art_table 32 1094 0 637 4 0 4 4 0 8 0 art_node 16 276 0 187 1 0 1 1 0 8 0 sysvmsgpl 40 48 0 8 1 0 1 1 0 8 0 semupl 112 5 0 5 1 1 0 1 0 8 0 semapl 112 569 0 559 1 0 1 1 0 8 0 shmpl 112 116 0 21 3 0 3 3 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 37346 0 35890 92 0 92 92 0 8 0 ffsino 240 37346 0 35890 86 0 86 86 0 8 0 nchpl 144 76147 0 74526 62 0 62 62 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 224 5926 0 0 349 0 349 349 0 8 0 namei 1024 265642 0 265642 13 12 1 3 0 8 1 vcpupl 1984 9 0 3 1 0 1 1 0 8 0 vmpool 528 11 0 5 3 2 1 1 0 8 0 pfiaddrpl 120 1238 0 687 19 2 17 17 0 8 0 scsiplug 72 5 0 5 1 1 0 1 0 8 0 scxspl 216 215110 0 215110 29 28 1 8 0 8 1 plimitpl 152 256 0 242 1 0 1 1 0 8 0 sigapl 424 33969 0 33905 12 4 8 8 0 8 0 futexpl 64 218468 0 218462 10 9 1 1 0 8 0 knotepl 120 258203 0 258123 30 27 3 10 0 8 0 kqueuepl 184 1811 0 1803 29 27 2 7 0 8 1 pipepl 304 3112 0 3084 89 86 3 8 0 8 0 fdescpl 432 33917 0 33893 7 3 4 4 0 8 0 filepl 120 166980 0 166676 192 180 12 17 0 8 2 lockfpl 104 4305 0 4302 9 8 1 2 0 8 0 lockfspl 48 1191 0 1188 1 0 1 1 0 8 0 sessionpl 144 35 0 19 1 0 1 1 0 8 0 pgrppl 48 1275 0 1259 1 0 1 1 0 8 0 ucredpl 96 7721 0 7711 1 0 1 1 0 8 0 zombiepl 144 33910 0 33905 10 9 1 1 0 8 0 processpl 1000 33969 0 33905 11 2 9 9 0 8 0 procpl 672 94916 0 94838 63 55 8 9 0 8 1 sosppl 168 68 0 68 6 6 0 1 0 8 0 sockpl 448 11293 0 11270 323 317 6 30 0 8 3 mcl64k 65536 654 0 654 51 50 1 1 0 8 1 mcl16k 16384 137 0 137 42 41 1 1 0 8 1 mcl12k 12288 896 0 896 50 49 1 1 0 8 1 mcl9k 9216 331 0 331 57 56 1 1 0 8 1 mcl8k 8192 1204 0 1204 49 48 1 1 0 8 1 mcl4k 4096 2789 0 2788 41 40 1 1 0 8 0 mcl2k2 2112 181 0 181 53 52 1 1 0 8 1 mcl2k 2048 75555 0 75499 119 110 9 18 0 8 1 mtagpl 96 912 0 482 14 1 13 13 0 8 0 mbufpl 256 265680 0 264996 88 39 49 57 0 8 0 bufpl 288 38979 0 32573 458 0 458 458 0 8 0 anonpl 24 9125882 0 9114552 204 111 93 122 0 188 0 amapchunkpl 152 1007373 0 1006768 154 125 29 40 0 158 1 amappl16 200 77108 0 76815 238 221 17 47 0 8 0 amappl15 192 4262 0 4256 1 0 1 1 0 8 0 amappl14 184 5348 0 5340 1 0 1 1 0 8 0 amappl13 176 4192 0 4190 1 0 1 1 0 8 0 amappl12 168 7408 0 7400 2 1 1 1 0 8 0 amappl11 160 8357 0 8345 1 0 1 1 0 8 0 amappl10 152 341 0 336 1 0 1 1 0 8 0 amappl9 144 8442 0 8436 1 0 1 1 0 8 0 amappl8 136 1413 0 1207 8 0 8 8 0 8 0 amappl7 128 164 0 155 1 0 1 1 0 8 0 amappl6 120 8230 0 8201 2 1 1 2 0 8 0 amappl5 112 21774 0 21762 1 0 1 1 0 8 0 amappl4 104 17861 0 17823 3 1 2 2 0 8 0 amappl3 96 9185 0 9171 1 0 1 1 0 8 0 amappl2 88 9970 0 9916 3 1 2 3 0 8 0 amappl1 80 593756 0 593238 20 7 13 18 0 8 0 amappl 88 420934 0 420728 6 0 6 6 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 72 118 0 21 2 0 2 2 0 8 0 uaddrrnd 24 33928 0 33898 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 33928 0 33898 1 0 1 1 0 8 0 vmmpekpl 168 233267 0 233213 3 0 3 3 0 8 0 vmmpepl 168 2974473 0 2972355 295 183 112 120 0 357 4 vmsppl 272 33927 0 33898 17 14 3 3 0 8 0 rwobjpl 24 690439 0 683067 58 13 45 47 0 8 0 pdppl 4096 67862 0 67802 1253 1183 70 74 0 8 10 pvpl 32 14742526 0 14727616 419 258 161 234 0 265 17 pmappl 216 33927 0 33898 3 1 2 3 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 2898 0 1985 27 0 27 27 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace pf_anchor_global_RB_INSERT_COLOR(ffffffff82a20bd0,ffff8000012e2800) at pf_anchor_global_RB_INSERT_COLOR+0x70 sys/net/pf_ruleset.c:84 pf_create_anchor(0,ffff800000cfd000) at pf_create_anchor+0x2de pf_anchor_global_RB_INSERT sys/net/pf_ruleset.c:84 [inline] pf_create_anchor(0,ffff800000cfd000) at pf_create_anchor+0x2de sys/net/pf_ruleset.c:203 pf_find_or_create_ruleset(ffff8000012e1804) at pf_find_or_create_ruleset+0x372 sys/net/pf_ruleset.c:269 pfioctl(4900,c0104451,ffff80002d2693c0,3,ffff8000264eba40) at pfioctl+0x427c pf_begin_rules sys/net/pf_ioctl.c:525 [inline] pfioctl(4900,c0104451,ffff80002d2693c0,3,ffff8000264eba40) at pfioctl+0x427c sys/net/pf_ioctl.c:2511 VOP_IOCTL(fffffd806e83c698,c0104451,ffff80002d2693c0,3,fffffd807f7d8900,ffff8000264eba40) at VOP_IOCTL+0x8d sys/kern/vfs_vops.c:264 vn_ioctl(fffffd807885cd30,c0104451,ffff80002d2693c0,ffff8000264eba40) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:531 sys_ioctl(ffff8000264eba40,ffff80002d2694d8,ffff80002d269530) at sys_ioctl+0x49e syscall(ffff80002d2695a0) at syscall+0x44e sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x85f8564780, count: -9 ddb> machine ddbcpu 1 No such command ddb> trace pf_anchor_global_RB_INSERT_COLOR(ffffffff82a20bd0,ffff8000012e2800) at pf_anchor_global_RB_INSERT_COLOR+0x70 sys/net/pf_ruleset.c:84 pf_create_anchor(0,ffff800000cfd000) at pf_create_anchor+0x2de pf_anchor_global_RB_INSERT sys/net/pf_ruleset.c:84 [inline] pf_create_anchor(0,ffff800000cfd000) at pf_create_anchor+0x2de sys/net/pf_ruleset.c:203 pf_find_or_create_ruleset(ffff8000012e1804) at pf_find_or_create_ruleset+0x372 sys/net/pf_ruleset.c:269 pfioctl(4900,c0104451,ffff80002d2693c0,3,ffff8000264eba40) at pfioctl+0x427c pf_begin_rules sys/net/pf_ioctl.c:525 [inline] pfioctl(4900,c0104451,ffff80002d2693c0,3,ffff8000264eba40) at pfioctl+0x427c sys/net/pf_ioctl.c:2511 VOP_IOCTL(fffffd806e83c698,c0104451,ffff80002d2693c0,3,fffffd807f7d8900,ffff8000264eba40) at VOP_IOCTL+0x8d sys/kern/vfs_vops.c:264 vn_ioctl(fffffd807885cd30,c0104451,ffff80002d2693c0,ffff8000264eba40) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:531 sys_ioctl(ffff8000264eba40,ffff80002d2694d8,ffff80002d269530) at sys_ioctl+0x49e syscall(ffff80002d2695a0) at syscall+0x44e sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x85f8564780, count: -9