uvm_fault(0xfffffd80084928a0, 0xc, 0, 1) -> e kernel: page fault trap, code=0 Stopped at pf_addr_compare+0x47: movl 0xc(%r15),%r12d ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic kernel page fault uvm_fault(0xfffffd80084928a0, 0xc, 0, 1) -> e pf_addr_compare(0,ffff8000218c74e0,18) at pf_addr_compare+0x47 sys/net/pf.c:333 end trace frame: 0xffff8000218c74a0, count: 0 ddb{0}> trace pf_addr_compare(0,ffff8000218c74e0,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff8000218c74c8,8,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000b12800,ffff8000218c7798) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff8000218c7798,ffff8000218c77a4,29,0,ffff800000b12800) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000b12800,fffffd807a423700) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d01,ffff8000218c7a88,ffff8000222bc000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff8000218c78e0) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806e2d16a8,ffff8000218c7a88,11,fffffd807f7b7900) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd80691f7d28,ffff8000218c7a88,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff80002123da40,f0,ffff8000218c7a88,0,ffff8000218c7b70) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff80002123da40,ffff8000218c7b20,ffff8000218c7b70) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff8000218c7bf0) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000218c7bf0) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x91050f19890, count: -13 ddb{0}> show registers rdi 0x18 rsi 0xffffffff8270a410 __sancov_gen_cov_switch_values.133 rbp 0xffff8000218c73a0 rbx 0x18 rdx 0xffff800000ac57c0 rcx 0x2 rax 0xffff80002123da40 r8 0xffffffff819cefab pf_addr_compare+0x3b r9 0x1 r10 0xf1a2d42a413a65c5 r11 0x3350e9e2943f405b r12 0x18 r13 0xffff800000044940 r14 0xffff8000218c74e0 r15 0 rip 0xffffffff819cefb7 pf_addr_compare+0x47 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000218c7350 ss 0x10 pf_addr_compare+0x47: movl 0xc(%r15),%r12d ddb{0}> show proc PROC (syz-executor.1) pid=10020 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff80002123c540,0xffffffff828c8868 process=0xffff8000212361d0 user=0xffff8000218c2000, vmspace=0xfffffd80084928a0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 89895 229581 33077 0 7 0 syz-executor.1 *89895 10020 33077 0 7 0x4000000 syz-executor.1 19360 514168 65217 0 3 0x82 nanoslp syz-executor.0 33077 58144 65217 0 3 0x82 nanoslp syz-executor.1 65217 508000 10148 0 3 0x82 thrsleep syz-fuzzer 65217 318711 10148 0 3 0x4000082 nanoslp syz-fuzzer 65217 223811 10148 0 3 0x4000082 thrsleep syz-fuzzer 65217 428039 10148 0 3 0x4000082 thrsleep syz-fuzzer 65217 253959 10148 0 3 0x4000082 thrsleep syz-fuzzer 65217 382956 10148 0 3 0x4000082 thrsleep syz-fuzzer 65217 439279 10148 0 3 0x4000082 kqread syz-fuzzer 65217 79783 10148 0 3 0x4000082 thrsleep syz-fuzzer 10148 448818 31459 0 3 0x10008a sigsusp ksh 31459 7325 33987 0 3 0x92 select sshd 65882 486870 1 0 3 0x100083 ttyin getty 33987 457994 1 0 3 0x80 select sshd 37793 193362 43640 74 3 0x100092 bpf pflogd 43640 319818 1 0 3 0x80 netio pflogd 56913 418248 64369 73 3 0x100090 kqread syslogd 64369 252380 1 0 3 0x100082 netio syslogd 11778 232181 1 77 3 0x100090 poll dhclient 82934 272976 1 0 3 0x80 poll dhclient 25838 389047 0 0 3 0x14200 bored smr 11586 148739 0 0 3 0x14200 pgzero zerothread 24227 393949 0 0 3 0x14200 aiodoned aiodoned 48158 123881 0 0 3 0x14200 syncer update 82834 132660 0 0 3 0x14200 cleaner cleaner 33782 157374 0 0 3 0x14200 reaper reaper 77766 472256 0 0 3 0x14200 pgdaemon pagedaemon 12490 195723 0 0 3 0x14200 bored crynlk 86213 302002 0 0 3 0x14200 bored crypto 13543 61010 0 0 3 0x14200 bored viomb 24562 282178 0 0 3 0x40014200 acpi0 acpi0 89648 174564 0 0 3 0x40014200 idle1 58992 433845 0 0 3 0x14200 bored softnet 90818 48712 0 0 3 0x14200 bored systqmp 16147 122252 0 0 3 0x14200 bored systq 69098 863 0 0 3 0x40014200 bored softclock 96308 211033 0 0 3 0x40014200 idle0 1 165359 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 89895 (syz-executor.1) thread 0xffff80002123da40 (10020) exclusive rwlock netlock r = 0 (0xffffffff826b8e70) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1176 #1 tun_dev_write+0x1f9 sys/net/if_tun.c:869 #2 spec_write+0xd4 sys/kern/spec_vnops.c:309 #3 VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 #4 vn_write+0x14e sys/kern/vfs_vnops.c:414 #5 dofilewritev+0x1ab sys/kern/sys_generic.c:365 #6 sys_write+0x83 sys/kern/sys_generic.c:285 #7 syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] #7 syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 #8 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff828b9f28) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1176 #1 vn_write+0x42 sys/kern/vfs_vnops.c:399 #2 dofilewritev+0x1ab sys/kern/sys_generic.c:365 #3 sys_write+0x83 sys/kern/sys_generic.c:285 #4 syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] #4 syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 #5 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9500 6423K 6936K 78643K 11026 0 pcb 13 8K 8K 78643K 66 0 rtable 106 3K 5K 78643K 308 0 ifaddr 53 11K 12K 78643K 87 0 counters 44 34K 34K 78643K 56 0 ioctlops 0 0K 4K 78643K 1484 0 iov 0 0K 2K 78643K 10 0 mount 1 1K 1K 78643K 1 0 vnodes 1219 77K 77K 78643K 1365 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 1K 78643K 2 0 VM map 2 1K 1K 78643K 2 0 sem 10 1K 1K 78643K 17 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 5 13K 25K 78643K 540 0 sigio 0 0K 0K 78643K 14 0 proc 59 63K 83K 78643K 487 0 subproc 32 2K 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 33 2K 2K 78643K 70 0 ether_multi 1 0K 0K 78643K 13 0 mrt 0 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 2K 78643K 387 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 24K 24K 78643K 1982 0 UVM aobj 8 2K 2K 78643K 8 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 20 0 NDP 8 0K 0K 78643K 20 0 temp 74 3972K 4040K 78643K 10521 0 kqueue 3 4K 8K 78643K 10 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 arp 64 8 0 2 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 120 31 0 29 1 0 1 1 0 8 0 rtentry 112 56 0 12 2 0 2 2 0 8 0 unpcb 120 163 0 153 1 0 1 1 0 8 0 syncache 296 12 0 12 2 2 0 1 0 8 0 tcpqe 32 626 0 626 2 2 0 2 0 8 0 tcpcb 736 124 0 115 4 2 2 3 0 8 0 inpcb 296 276 0 269 2 0 2 2 0 8 1 nd6 48 9 0 3 1 0 1 1 0 8 0 kcovpl 48 3 0 1 1 0 1 1 0 8 0 ppxss 1128 4 0 4 1 0 1 1 0 8 1 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfrktable 1344 12 0 12 1 1 0 1 0 8 0 pfstitem 24 22 0 5 1 0 1 1 0 8 0 pfstkey 112 22 0 5 1 0 1 1 0 8 0 pfstate 328 22 0 5 2 0 2 2 0 8 0 pfrule 1360 30 0 25 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 232 0 44 12 0 12 12 0 8 0 art_table 32 233 0 44 2 0 2 2 0 8 0 art_node 16 55 0 15 1 0 1 1 0 8 0 semupl 112 6 0 6 1 1 0 1 0 8 0 semapl 112 8 0 0 1 0 1 1 0 8 0 shmpl 112 5 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1963 0 557 88 0 88 88 0 8 0 ffsino 272 1963 0 557 94 0 94 94 0 8 0 nchpl 144 2711 0 1120 60 0 60 60 0 8 0 uvmvnodes 72 2133 0 0 39 0 39 39 0 8 0 vnodes 224 2133 0 0 126 0 126 126 0 8 0 namei 1024 7065 0 7065 1 0 1 1 0 8 1 percpumem 16 39 0 6 1 0 1 1 0 8 0 pfiaddrpl 120 4 0 4 1 1 0 1 0 8 0 scxspl 216 7995 0 7995 9 8 1 8 0 8 1 plimitpl 152 58 0 49 1 0 1 1 0 8 0 sigapl 424 753 0 721 4 0 4 4 0 8 0 futexpl 56 3260 0 3260 1 0 1 1 0 8 1 knotepl 112 81 0 61 1 0 1 1 0 8 0 kqueuepl 168 161 0 158 1 0 1 1 0 8 0 pipepl 336 90 0 79 2 0 2 2 0 8 0 fdescpl 496 737 0 721 3 0 3 3 0 8 0 filepl 152 2692 0 2589 5 0 5 5 0 8 1 lockfpl 104 90 0 89 1 0 1 1 0 8 0 lockfspl 48 39 0 38 1 0 1 1 0 8 0 sessionpl 144 19 0 8 1 0 1 1 0 8 0 pgrppl 48 19 0 8 1 0 1 1 0 8 0 ucredpl 96 349 0 340 1 0 1 1 0 8 0 zombiepl 144 721 0 720 1 0 1 1 0 8 0 processpl 1080 753 0 720 3 0 3 3 0 8 0 procpl 672 1370 0 1329 4 0 4 4 0 8 0 sockpl 432 470 0 451 4 0 4 4 0 8 1 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 8 0 0 1 0 1 1 0 8 0 mcl2k 2048 277 0 0 34 0 34 34 0 8 0 mtagpl 96 28 0 0 1 0 1 1 0 8 0 mbufpl 256 295 0 0 18 0 18 18 0 8 0 bufpl 280 3907 0 181 267 0 267 267 0 8 0 anonpl 24 65894 0 54517 71 1 70 70 0 186 1 amapchunkpl 152 3170 0 2882 14 2 12 13 0 158 0 amappl16 200 2244 0 1801 24 0 24 24 0 8 0 amappl15 192 109 0 107 1 0 1 1 0 8 0 amappl14 184 23 0 19 1 0 1 1 0 8 0 amappl13 176 34 0 31 1 0 1 1 0 8 0 amappl12 168 14 0 13 1 0 1 1 0 8 0 amappl11 160 200 0 183 2 1 1 2 0 8 0 amappl10 152 23 0 17 1 0 1 1 0 8 0 amappl9 144 289 0 288 1 0 1 1 0 8 0 amappl8 136 161 0 115 2 0 2 2 0 8 0 amappl7 128 255 0 248 1 0 1 1 0 8 0 amappl6 120 71 0 61 1 0 1 1 0 8 0 amappl5 112 1021 0 1002 1 0 1 1 0 8 0 amappl4 104 283 0 256 1 0 1 1 0 8 0 amappl3 96 138 0 129 1 0 1 1 0 8 0 amappl2 88 4941 0 4874 3 1 2 3 0 8 0 amappl1 80 29457 0 28984 26 15 11 21 0 8 0 amappl 88 1672 0 1600 2 0 2 2 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 64 7 0 0 1 0 1 1 0 8 0 uaddrrnd 24 737 0 721 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 737 0 721 1 0 1 1 0 8 0 vmmpekpl 168 8019 0 7992 2 0 2 2 0 8 0 vmmpepl 168 97083 0 95429 96 7 89 89 0 357 15 vmsppl 368 736 0 721 2 0 2 2 0 8 0 rwobjpl 56 22410 0 21261 24 6 18 19 0 8 1 pdppl 4096 1481 0 1442 57 16 41 45 0 8 2 pvpl 32 296764 0 282308 123 3 120 121 0 265 0 pmappl 232 736 0 721 2 1 1 2 0 8 0 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 323 0 21 9 0 9 9 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace pf_addr_compare(0,ffff8000218c74e0,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff8000218c74c8,8,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000b12800,ffff8000218c7798) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff8000218c7798,ffff8000218c77a4,29,0,ffff800000b12800) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000b12800,fffffd807a423700) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d01,ffff8000218c7a88,ffff8000222bc000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff8000218c78e0) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806e2d16a8,ffff8000218c7a88,11,fffffd807f7b7900) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd80691f7d28,ffff8000218c7a88,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff80002123da40,f0,ffff8000218c7a88,0,ffff8000218c7b70) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff80002123da40,ffff8000218c7b20,ffff8000218c7b70) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff8000218c7bf0) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000218c7bf0) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x91050f19890, count: -13 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800020d68ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 end of kernel end trace frame: 0x7f7ffffedd10, count: -3