uvm_fault(0xfffffd80084925c0, 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(0xfffffd80084925c0, 0xc, 0, 1) -> e pf_addr_compare(0,ffff800022363280,18) at pf_addr_compare+0x47 sys/net/pf.c:333 end trace frame: 0xffff800022363240, count: 0 ddb{1}> trace pf_addr_compare(0,ffff800022363280,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff800022363268,3,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000b12800,ffff800022363538) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff800022363538,ffff800022363544,29,0,ffff800000b12800) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000b12800,fffffd80679d9a00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d01,ffff800022363828,ffff8000234ca000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff800022363680) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806e29b4e8,ffff800022363828,11,fffffd807f7b7660) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd80681ecc00,ffff800022363828,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff8000222d6000,f0,ffff800022363828,0,ffff800022363910) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff8000222d6000,ffff8000223638c0,ffff800022363910) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff800022363990) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800022363990) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7031918f80, count: -13 ddb{1}> show registers rdi 0x18 rsi 0xffffffff8270a410 __sancov_gen_cov_switch_values.133 rbp 0xffff800022363140 rbx 0x18 rdx 0xffff800000ac57c0 rcx 0x2 rax 0xffff8000222d6000 r8 0xffffffff819cefab pf_addr_compare+0x3b r9 0x1 r10 0xd50819402acf0b83 r11 0x469a7c2bbb4ece6e r12 0x18 r13 0xffff800000044ac0 r14 0xffff800022363280 r15 0 rip 0xffffffff819cefb7 pf_addr_compare+0x47 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000223630f0 ss 0x10 pf_addr_compare+0x47: movl 0xc(%r15),%r12d ddb{1}> show proc PROC (syz-executor.1) pid=442052 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=75, nice=20 forw=0xffffffffffffffff, list=0xffff8000222d62a0,0xffffffff828c8868 process=0xffff800022325da0 user=0xffff80002235e000, vmspace=0xfffffd80084925c0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 77582 407498 50613 0 7 0 syz-executor.1 *77582 442052 50613 0 7 0x4000000 syz-executor.1 58410 306325 0 0 3 0x14280 nfsidl nfsio 58347 466976 0 0 3 0x14280 nfsidl nfsio 89704 283945 0 0 3 0x14280 nfsidl nfsio 12917 28938 0 0 3 0x14280 nfsidl nfsio 30872 396684 0 0 3 0x14280 nfsidl nfsio 62065 280238 0 0 3 0x14280 nfsidl nfsio 1259 227310 0 0 3 0x14280 nfsidl nfsio 70050 299787 0 0 3 0x14280 nfsidl nfsio 1514 470964 0 0 3 0x14280 nfsidl nfsio 10260 208839 0 0 3 0x14280 nfsidl nfsio 23059 228913 0 0 3 0x14280 nfsidl nfsio 31694 137145 0 0 3 0x14280 nfsidl nfsio 38647 23341 0 0 3 0x14280 nfsidl nfsio 67936 392350 0 0 3 0x14280 nfsidl nfsio 25182 475094 0 0 3 0x14280 nfsidl nfsio 31618 399977 0 0 3 0x14280 nfsidl nfsio 48414 143251 0 0 3 0x14280 nfsidl nfsio 83025 134440 0 0 3 0x14280 nfsidl nfsio 29967 371196 0 0 3 0x14280 nfsidl nfsio 67791 31172 0 0 3 0x14280 nfsidl nfsio 25435 360675 0 0 3 0x14200 bored sosplice 50613 387420 91316 0 3 0x82 nanoslp syz-executor.1 57998 166322 91316 0 3 0x82 nanoslp syz-executor.0 91316 477347 30160 0 3 0x82 thrsleep syz-fuzzer 91316 506567 30160 0 3 0x4000082 thrsleep syz-fuzzer 91316 167768 30160 0 3 0x4000082 thrsleep syz-fuzzer 91316 317700 30160 0 3 0x4000082 thrsleep syz-fuzzer 91316 255076 30160 0 3 0x4000082 thrsleep syz-fuzzer 91316 122153 30160 0 3 0x4000082 thrsleep syz-fuzzer 91316 8596 30160 0 3 0x4000082 kqread syz-fuzzer 91316 256621 30160 0 3 0x4000082 thrsleep syz-fuzzer 30160 213167 46883 0 3 0x10008a sigsusp ksh 46883 17333 23288 0 3 0x92 select sshd 90552 400674 1 0 3 0x100083 ttyin getty 23288 471948 1 0 3 0x80 select sshd 9341 62090 56552 74 3 0x100092 bpf pflogd 56552 168098 1 0 3 0x80 netio pflogd 82363 51087 8371 73 3 0x100090 kqread syslogd 8371 34423 1 0 3 0x100082 netio syslogd 67591 191303 1 77 3 0x100090 poll dhclient 26467 1898 1 0 3 0x80 poll dhclient 30283 497832 0 0 3 0x14200 bored smr 92282 266172 0 0 2 0x14200 zerothread 22507 128018 0 0 3 0x14200 aiodoned aiodoned 99423 444423 0 0 3 0x14200 syncer update 1438 437899 0 0 3 0x14200 cleaner cleaner 56289 426603 0 0 3 0x14200 reaper reaper 8343 303046 0 0 3 0x14200 pgdaemon pagedaemon 62083 336313 0 0 3 0x14200 bored crynlk 40307 297126 0 0 3 0x14200 bored crypto 68746 508031 0 0 3 0x14200 bored viomb 4241 499669 0 0 3 0x40014200 acpi0 acpi0 12257 170144 0 0 3 0x40014200 idle1 90975 456972 0 0 3 0x14200 bored softnet 20051 350919 0 0 3 0x14200 bored systqmp 3651 328030 0 0 3 0x14200 bored systq 50677 312693 0 0 3 0x40014200 bored softclock 85132 439913 0 0 3 0x40014200 idle0 1 352509 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 77582 (syz-executor.1) thread 0xffff8000222d6000 (442052) 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 9504 6557K 6933K 78643K 11343 0 pcb 13 8K 8K 78643K 40 0 rtable 82 2K 3K 78643K 226 0 ifaddr 48 11K 11K 78643K 55 0 sysctl 2 0K 0K 78643K 2 0 counters 44 34K 34K 78643K 46 0 ioctlops 0 0K 4K 78643K 1473 0 iov 0 0K 12K 78643K 9 0 mount 1 1K 1K 78643K 1 0 vnodes 1219 77K 77K 78643K 1462 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 4 0 VM map 2 1K 1K 78643K 2 0 sem 9 0K 0K 78643K 9 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 5 13K 25K 78643K 716 0 proc 61 63K 83K 78643K 454 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 51 0 in_multi 30 2K 2K 78643K 66 0 ether_multi 1 0K 0K 78643K 4 0 mrt 0 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 49 228K 228K 78643K 49 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 151 27K 27K 78643K 2476 0 UVM aobj 9 4K 4K 78643K 9 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 14 0 NDP 7 0K 0K 78643K 12 0 temp 83 3978K 4042K 78643K 3644 0 kqueue 3 4K 8K 78643K 9 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 29 0 27 1 0 1 1 0 8 0 rtentry 112 45 0 12 2 0 2 2 0 8 0 unpcb 120 205 0 195 1 0 1 1 0 8 0 syncache 296 10 0 10 2 1 1 1 0 8 1 tcpqe 32 1199 0 1199 2 2 0 2 0 8 0 tcpcb 736 100 0 91 2 0 2 2 0 8 0 inpcb 296 299 0 292 2 1 1 2 0 8 0 nd6 48 6 0 0 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 1 0 1 0 8 0 kcovpl 48 2 0 0 1 0 1 1 0 8 0 ppxss 1128 1 0 1 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 18 0 7 1 0 1 1 0 8 0 pfstkey 112 18 0 7 1 0 1 1 0 8 0 pfstate 328 18 0 7 2 0 2 2 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 41 12 0 12 12 0 8 1 art_table 32 189 0 41 2 0 2 2 0 8 0 art_node 16 44 0 15 1 0 1 1 0 8 0 sysvmsgpl 40 7 0 0 1 0 1 1 0 8 0 semupl 112 7 0 7 2 2 0 1 0 8 0 semapl 112 7 0 0 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 2217 0 815 88 0 88 88 0 8 0 ffsino 272 2217 0 815 95 1 94 94 0 8 0 nchpl 144 3180 0 1575 60 0 60 60 0 8 0 uvmvnodes 72 2435 0 0 45 0 45 45 0 8 0 vnodes 224 2435 0 0 144 0 144 144 0 8 0 namei 1024 8009 0 8009 2 1 1 1 0 8 1 percpumem 16 34 0 1 1 0 1 1 0 8 0 scxspl 216 9153 0 9153 9 8 1 8 0 8 1 plimitpl 152 67 0 59 1 0 1 1 0 8 0 sigapl 424 953 0 900 7 0 7 7 0 8 1 futexpl 56 4541 0 4541 1 0 1 1 0 8 1 knotepl 112 68 0 48 1 0 1 1 0 8 0 kqueuepl 168 472 0 470 1 0 1 1 0 8 0 pipepl 336 88 0 77 3 1 2 2 0 8 1 fdescpl 496 916 0 900 3 0 3 3 0 8 0 filepl 152 3404 0 3302 6 1 5 5 0 8 1 lockfpl 104 108 0 107 1 0 1 1 0 8 0 lockfspl 48 47 0 46 1 0 1 1 0 8 0 sessionpl 144 18 0 7 1 0 1 1 0 8 0 pgrppl 48 19 0 8 1 0 1 1 0 8 0 ucredpl 96 438 0 429 1 0 1 1 0 8 0 zombiepl 144 900 0 899 2 1 1 1 0 8 0 processpl 1080 953 0 899 4 0 4 4 0 8 0 procpl 672 1898 0 1836 7 1 6 6 0 8 0 sosppl 168 18 0 18 2 1 1 1 0 8 1 sockpl 432 535 0 516 5 2 3 5 0 8 0 mcl64k 65536 9 0 0 2 0 2 2 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k2 2112 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 250 0 0 31 0 31 31 0 8 0 mtagpl 96 74 0 0 2 0 2 2 0 8 0 mbufpl 256 375 0 0 23 0 23 23 0 8 0 bufpl 280 4040 0 181 276 0 276 276 0 8 0 anonpl 24 83311 0 66629 103 2 101 101 0 186 0 amapchunkpl 152 4057 0 3627 19 1 18 18 0 158 0 amappl16 200 3078 0 2451 35 1 34 34 0 8 0 amappl15 192 1 0 0 1 0 1 1 0 8 0 amappl14 184 25 0 20 1 0 1 1 0 8 0 amappl13 176 30 0 26 1 0 1 1 0 8 0 amappl12 168 17 0 13 1 0 1 1 0 8 0 amappl11 160 56 0 39 1 0 1 1 0 8 0 amappl10 152 362 0 356 1 0 1 1 0 8 0 amappl9 144 287 0 286 1 0 1 1 0 8 0 amappl8 136 159 0 116 2 0 2 2 0 8 0 amappl7 128 246 0 238 1 0 1 1 0 8 0 amappl6 120 415 0 403 1 0 1 1 0 8 0 amappl5 112 1061 0 1041 1 0 1 1 0 8 0 amappl4 104 289 0 263 1 0 1 1 0 8 0 amappl3 96 123 0 116 1 0 1 1 0 8 0 amappl2 88 6451 0 6382 3 1 2 3 0 8 0 amappl1 80 35235 0 34759 27 15 12 21 0 8 0 amappl 88 2189 0 2094 3 0 3 3 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 24 916 0 900 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 916 0 900 1 0 1 1 0 8 0 vmmpekpl 168 8916 0 8884 2 0 2 2 0 8 0 vmmpepl 168 121705 0 119829 110 21 89 105 0 357 2 vmsppl 368 915 0 900 2 0 2 2 0 8 0 rwobjpl 56 28253 0 26888 26 5 21 21 0 8 1 pdppl 4096 1839 0 1800 57 16 41 45 0 8 2 pvpl 32 392375 0 372509 166 0 166 166 0 265 1 pmappl 232 915 0 900 2 1 1 2 0 8 0 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 329 0 22 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x37 kd_curproc sys/dev/kcov.c:570 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x37 sys/dev/kcov.c:143 __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 softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x1f end of kernel end trace frame: 0x7f7fffff3400, count: -7 ddb{0}> machine ddbcpu 1 Stopped at pf_addr_compare+0x47: movl 0xc(%r15),%r12d ddb{1}> trace pf_addr_compare(0,ffff800022363280,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff800022363268,3,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000b12800,ffff800022363538) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff800022363538,ffff800022363544,29,0,ffff800000b12800) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000b12800,fffffd80679d9a00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d01,ffff800022363828,ffff8000234ca000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff800022363680) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806e29b4e8,ffff800022363828,11,fffffd807f7b7660) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd80681ecc00,ffff800022363828,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff8000222d6000,f0,ffff800022363828,0,ffff800022363910) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff8000222d6000,ffff8000223638c0,ffff800022363910) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff800022363990) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800022363990) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7031918f80, count: -13