uvm_fault(0xfffffd8008492000, 0xc, 0, 1) -> e kernel: page fault trap, code=0 Stopped at pf_addr_compare+0x47: movl 0xc(%r15),%r12d ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic kernel page fault uvm_fault(0xfffffd8008492000, 0xc, 0, 1) -> e pf_addr_compare(0,ffff8000222d8e50,18) at pf_addr_compare+0x47 sys/net/pf.c:333 end trace frame: 0xffff8000222d8e10, count: 0 ddb{1}> trace pf_addr_compare(0,ffff8000222d8e50,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff8000222d8e38,8,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000ae5000,ffff8000222d9108) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff8000222d9108,ffff8000222d9114,29,0,ffff800000ae5000) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000ae5000,fffffd806a98e300) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d00,ffff8000222d93f8,ffff8000212ac000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff8000222d9250) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806e22c248,ffff8000222d93f8,11,fffffd807f7b7960) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd8065fef020,ffff8000222d93f8,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff8000212aad28,f0,ffff8000222d93f8,0,ffff8000222d94e0) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff8000212aad28,ffff8000222d9490,ffff8000222d94e0) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff8000222d9560) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000222d9560) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcf7132dd930, count: -13 ddb{1}> show registers rdi 0x18 rsi 0xffffffff8270a410 __sancov_gen_cov_switch_values.133 rbp 0xffff8000222d8d10 rbx 0x18 rdx 0xffff800000afa900 rcx 0x2 rax 0xffff8000212aad28 r8 0xffffffff819cefab pf_addr_compare+0x3b r9 0x1 r10 0x629772b92fed4c37 r11 0xe489b47d717bfc5e r12 0x18 r13 0xffff8000000449c0 r14 0xffff8000222d8e50 r15 0 rip 0xffffffff819cefb7 pf_addr_compare+0x47 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000222d8cc0 ss 0x10 pf_addr_compare+0x47: movl 0xc(%r15),%r12d ddb{1}> show proc PROC (syz-executor.0) pid=362796 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000212ab268,0xffffffff828c8868 process=0xffff8000212361d0 user=0xffff8000222d4000, vmspace=0xfffffd8008492000 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 75042 151506 87206 0 2 0 syz-executor.0 *75042 362796 87206 0 7 0x4000000 syz-executor.0 39010 132084 62508 0 3 0x82 nanoslp syz-executor.1 87206 60208 62508 0 3 0x82 nanoslp syz-executor.0 62508 43770 94146 0 3 0x82 thrsleep syz-fuzzer 62508 181373 94146 0 3 0x4000082 nanoslp syz-fuzzer 62508 312775 94146 0 3 0x4000082 thrsleep syz-fuzzer 62508 329977 94146 0 3 0x4000082 thrsleep syz-fuzzer 62508 200138 94146 0 3 0x4000082 thrsleep syz-fuzzer 62508 320780 94146 0 3 0x4000082 thrsleep syz-fuzzer 62508 381872 94146 0 3 0x4000082 kqread syz-fuzzer 62508 364742 94146 0 3 0x4000082 thrsleep syz-fuzzer 94146 484097 99554 0 3 0x10008a sigsusp ksh 99554 47407 54914 0 3 0x92 select sshd 55857 512973 1 0 3 0x100083 ttyin getty 54914 182477 1 0 3 0x80 select sshd 96105 195998 90488 74 3 0x100092 bpf pflogd 90488 398356 1 0 3 0x80 netio pflogd 79859 257955 20886 73 3 0x100090 kqread syslogd 20886 420194 1 0 3 0x100082 netio syslogd 56692 454768 1 77 3 0x100090 poll dhclient 17001 73937 1 0 3 0x80 poll dhclient 90410 509198 0 0 3 0x14200 bored smr 4582 428558 0 0 2 0x14200 zerothread 59204 165020 0 0 3 0x14200 aiodoned aiodoned 81825 387073 0 0 3 0x14200 syncer update 36914 161979 0 0 3 0x14200 cleaner cleaner 69093 318447 0 0 7 0x14200 reaper 31248 156694 0 0 3 0x14200 pgdaemon pagedaemon 90111 113292 0 0 3 0x14200 bored crynlk 65710 226132 0 0 3 0x14200 bored crypto 9825 482459 0 0 3 0x14200 bored viomb 27879 329929 0 0 3 0x40014200 acpi0 acpi0 30546 470122 0 0 3 0x40014200 idle1 24357 44815 0 0 3 0x14200 bored softnet 42980 304881 0 0 3 0x14200 bored systqmp 5325 26561 0 0 3 0x14200 bored systq 82989 215125 0 0 3 0x40014200 bored softclock 89948 150964 0 0 3 0x40014200 idle0 1 268277 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 75042 (syz-executor.0) thread 0xffff8000212aad28 (362796) 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{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9483 6416K 7127K 78643K 11535 0 pcb 13 8K 8K 78643K 17 0 rtable 105 3K 3K 78643K 199 0 ifaddr 44 10K 10K 78643K 45 0 counters 44 34K 34K 78643K 44 0 ioctlops 0 0K 4K 78643K 1480 0 iov 0 0K 0K 78643K 2 0 mount 1 1K 1K 78643K 1 0 vnodes 1224 77K 77K 78643K 1440 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 3 0 VM map 2 1K 1K 78643K 2 0 sem 11 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 29425 0 sigio 0 0K 0K 78643K 27 0 proc 59 63K 95K 78643K 447 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 33 2K 2K 78643K 33 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 31 148K 148K 78643K 31 0 exec 0 0K 2K 78643K 361 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 207 34K 34K 78643K 60258 0 UVM aobj 9 2K 2K 78643K 9 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 6 0K 0K 78643K 10 0 temp 83 3976K 4040K 78643K 61066 0 kqueue 3 4K 8K 78643K 8 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 6 0 0 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 120 27 0 25 1 0 1 1 0 8 0 rtentry 112 45 0 1 2 0 2 2 0 8 0 unpcb 120 111 0 101 1 0 1 1 0 8 0 syncache 296 4 0 4 1 1 0 1 0 8 0 tcpqe 32 901 0 901 1 1 0 1 0 8 0 tcpcb 736 12 0 8 1 0 1 1 0 8 0 inpcb 296 81 0 74 1 0 1 1 0 8 0 nd6 48 6 0 0 1 0 1 1 0 8 0 kcovpl 48 2 0 0 1 0 1 1 0 8 0 pffrent 40 2 0 2 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 pfstitem 24 13 0 9 1 0 1 1 0 8 0 pfstkey 112 13 0 9 1 0 1 1 0 8 0 pfstate 328 13 0 9 1 0 1 1 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 188 0 0 12 0 12 12 0 8 0 art_table 32 189 0 0 2 0 2 2 0 8 0 art_node 16 44 0 4 1 0 1 1 0 8 0 sysvmsgpl 40 9 0 0 1 0 1 1 0 8 0 semupl 112 2 0 2 1 0 1 1 0 8 1 semapl 112 13 0 4 1 0 1 1 0 8 0 shmpl 112 6 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 30816 0 29412 88 0 88 88 0 8 0 ffsino 272 30816 0 29412 95 1 94 94 0 8 0 nchpl 144 60444 0 58839 60 0 60 60 0 8 0 uvmvnodes 72 5926 0 0 108 0 108 108 0 8 0 vnodes 224 5926 0 0 349 0 349 349 0 8 0 namei 1024 122221 0 122221 2 1 1 1 0 8 1 percpumem 16 33 0 0 1 0 1 1 0 8 0 scxspl 216 181310 0 181310 9 8 1 8 0 8 1 plimitpl 152 19 0 11 1 0 1 1 0 8 0 sigapl 424 29641 0 29609 4 0 4 4 0 8 0 futexpl 56 109546 0 109546 1 0 1 1 0 8 1 knotepl 112 67 0 47 1 0 1 1 0 8 0 kqueuepl 168 28152 0 28150 1 0 1 1 0 8 0 pipepl 336 97 0 86 3 1 2 2 0 8 1 fdescpl 496 29625 0 29609 3 0 3 3 0 8 0 filepl 152 59181 0 59079 6 1 5 5 0 8 0 lockfpl 104 21 0 20 1 0 1 1 0 8 0 lockfspl 48 11 0 10 1 0 1 1 0 8 0 sessionpl 144 18 0 7 1 0 1 1 0 8 0 pgrppl 48 18 0 7 1 0 1 1 0 8 0 ucredpl 96 78 0 69 1 0 1 1 0 8 0 zombiepl 144 29609 0 29608 2 1 1 1 0 8 0 processpl 1080 29641 0 29608 3 0 3 3 0 8 0 procpl 672 59606 0 59565 5 1 4 4 0 8 0 sockpl 432 219 0 200 4 1 3 4 0 8 0 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 18 0 0 2 0 2 2 0 8 0 mcl9k 9216 17 0 0 2 0 2 2 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 13 0 0 2 0 2 2 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 214 0 0 26 0 26 26 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 537 0 0 21 0 21 21 0 8 0 bufpl 280 32732 0 26483 447 0 447 447 0 8 0 anonpl 24 1747235 0 1716587 190 2 188 188 0 186 3 amapchunkpl 152 91155 0 90336 33 1 32 32 0 158 0 amappl16 200 71732 0 70628 60 0 60 60 0 8 1 amappl15 192 14744 0 14741 1 0 1 1 0 8 0 amappl14 184 23 0 19 1 0 1 1 0 8 0 amappl13 176 32 0 27 1 0 1 1 0 8 0 amappl12 168 15 0 12 1 0 1 1 0 8 0 amappl11 160 14714 0 14694 2 1 1 2 0 8 0 amappl10 152 19 0 13 1 0 1 1 0 8 0 amappl9 144 287 0 287 1 1 0 1 0 8 0 amappl8 136 175 0 122 2 0 2 2 0 8 0 amappl7 128 246 0 236 1 0 1 1 0 8 0 amappl6 120 65 0 56 1 0 1 1 0 8 0 amappl5 112 44431 0 44410 1 0 1 1 0 8 0 amappl4 104 285 0 258 1 0 1 1 0 8 0 amappl3 96 1086 0 1077 1 0 1 1 0 8 0 amappl2 88 236128 0 236050 3 1 2 3 0 8 0 amappl1 80 799831 0 799334 27 15 12 21 0 8 0 amappl 88 59953 0 59814 4 0 4 4 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 8 0 0 1 0 1 1 0 8 0 uaddrrnd 24 29625 0 29609 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 29625 0 29609 1 0 1 1 0 8 0 vmmpekpl 168 126871 0 126844 2 0 2 2 0 8 0 vmmpepl 168 3569532 0 3567034 158 46 112 132 0 357 2 vmsppl 368 29624 0 29608 2 0 2 2 0 8 0 rwobjpl 56 708697 0 706780 46 18 28 28 0 8 1 pdppl 4096 59257 0 59216 65 24 41 45 0 8 0 pvpl 32 9945967 0 9912246 287 5 282 282 0 265 6 pmappl 232 29624 0 29608 2 1 1 2 0 8 0 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 329 0 30 9 0 9 9 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff82771ff0) 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 __mp_lock(ffffffff828b9d20) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828b9d20) at __mp_lock+0x122 sys/kern/kern_lock.c:147 softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x1f __mp_lock(ffffffff828b9d20) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828b9d20) at __mp_lock+0x133 sys/kern/kern_lock.c:147 uvm_unmap_detach(ffff8000211c1c50,1) at uvm_unmap_detach+0xfc sys/uvm/uvm_map.c:1586 uvm_map_teardown(fffffd8008492a10) at uvm_map_teardown+0x262 sys/uvm/uvm_map.c:2762 uvmspace_free(fffffd8008492a10) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3660 reaper(ffff8000211c3268) at reaper+0x189 sys/kern/kern_exit.c:460 end trace frame: 0x0, count: -11 ddb{0}> machine ddbcpu 1 Stopped at pf_addr_compare+0x47: movl 0xc(%r15),%r12d ddb{1}> trace pf_addr_compare(0,ffff8000222d8e50,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff8000222d8e38,8,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000ae5000,ffff8000222d9108) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff8000222d9108,ffff8000222d9114,29,0,ffff800000ae5000) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000ae5000,fffffd806a98e300) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d00,ffff8000222d93f8,ffff8000212ac000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff8000222d9250) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806e22c248,ffff8000222d93f8,11,fffffd807f7b7960) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd8065fef020,ffff8000222d93f8,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff8000212aad28,f0,ffff8000222d93f8,0,ffff8000222d94e0) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff8000212aad28,ffff8000222d9490,ffff8000222d94e0) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff8000222d9560) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000222d9560) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcf7132dd930, count: -13