uvm_fault(0xfffffd806e944cf8, 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(0xfffffd806e944cf8, 0xc, 0, 1) -> e pf_addr_compare(0,ffff8000232fcc60,18) at pf_addr_compare+0x47 sys/net/pf.c:333 end trace frame: 0xffff8000232fcc20, count: 0 ddb{1}> trace pf_addr_compare(0,ffff8000232fcc60,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff8000232fcc48,3,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000b5d000,ffff8000232fcf18) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff8000232fcf18,ffff8000232fcf24,29,0,ffff800000b5d000) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000b5d000,fffffd80684ba500) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d01,ffff8000232fd208,ffff8000234ca000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff8000232fd060) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806edfa088,ffff8000232fd208,11,fffffd807f7b7840) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd80688a5ef8,ffff8000232fd208,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff80002123dce8,f0,ffff8000232fd208,0,ffff8000232fd2f0) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff80002123dce8,ffff8000232fd2a0,ffff8000232fd2f0) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff8000232fd370) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000232fd370) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcc177c64ab0, count: -13 ddb{1}> show registers rdi 0x18 rsi 0xffffffff8270a410 __sancov_gen_cov_switch_values.133 rbp 0xffff8000232fcb20 rbx 0x18 rdx 0xffff800000b8b6c0 rcx 0x2 rax 0xffff80002123dce8 r8 0xffffffff819cefab pf_addr_compare+0x3b r9 0x1 r10 0x8d86e5fd91d3c80b r11 0xf72bbe382af67e5b r12 0x18 r13 0xffff800000044ac0 r14 0xffff8000232fcc60 r15 0 rip 0xffffffff819cefb7 pf_addr_compare+0x47 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000232fcad0 ss 0x10 pf_addr_compare+0x47: movl 0xc(%r15),%r12d ddb{1}> show proc PROC (syz-executor.1) pid=360098 stat=onproc flags process=0 proc=4000000 pri=57, usrpri=57, nice=20 forw=0xffffffffffffffff, list=0xffff80002123d268,0xffffffff828c8868 process=0xffff800021235960 user=0xffff8000232f8000, vmspace=0xfffffd806e944cf8 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 5190 31156 91722 0 7 0 syz-executor.1 * 5190 360098 91722 0 7 0x4000000 syz-executor.1 78175 363317 18299 0 2 0 syz-executor.0 78175 514642 18299 0 2 0x4000000 syz-executor.0 80058 456037 0 0 3 0x14200 bored sosplice 18299 405480 37899 0 3 0x82 nanoslp syz-executor.0 91722 283610 37899 0 3 0x82 nanoslp syz-executor.1 25394 32656 0 0 3 0x14200 acct acct 37899 453908 43781 0 3 0x82 thrsleep syz-fuzzer 37899 28537 43781 0 3 0x4000082 nanoslp syz-fuzzer 37899 321415 43781 0 3 0x4000082 thrsleep syz-fuzzer 37899 381940 43781 0 3 0x4000082 kqread syz-fuzzer 37899 373918 43781 0 3 0x4000082 thrsleep syz-fuzzer 37899 311450 43781 0 3 0x4000082 thrsleep syz-fuzzer 37899 389467 43781 0 3 0x4000082 thrsleep syz-fuzzer 37899 251385 43781 0 3 0x4000082 thrsleep syz-fuzzer 43781 456532 77969 0 3 0x10008a sigsusp ksh 77969 70063 39356 0 3 0x92 select sshd 21735 488378 1 0 3 0x100083 ttyin getty 39356 242201 1 0 3 0x80 select sshd 21017 99356 64986 74 3 0x100092 bpf pflogd 64986 161985 1 0 3 0x80 netio pflogd 9669 353817 3187 73 3 0x100090 kqread syslogd 3187 75153 1 0 3 0x100082 netio syslogd 67870 424206 1 77 3 0x100090 poll dhclient 72224 177430 1 0 3 0x80 poll dhclient 6871 460398 0 0 3 0x14200 bored smr 439 374570 0 0 2 0x14200 zerothread 11875 32320 0 0 3 0x14200 aiodoned aiodoned 52616 447411 0 0 3 0x14200 syncer update 27570 458168 0 0 3 0x14200 cleaner cleaner 49010 512169 0 0 3 0x14200 reaper reaper 4381 515432 0 0 3 0x14200 pgdaemon pagedaemon 4696 515377 0 0 3 0x14200 bored crynlk 92227 449302 0 0 3 0x14200 bored crypto 62407 522083 0 0 3 0x14200 bored viomb 1094 484170 0 0 3 0x40014200 acpi0 acpi0 49021 157007 0 0 3 0x40014200 idle1 23013 187925 0 0 3 0x14200 bored softnet 31743 281587 0 0 3 0x14200 bored systqmp 37705 165623 0 0 3 0x14200 bored systq 75086 194660 0 0 3 0x40014200 bored softclock 39064 203911 0 0 3 0x40014200 idle0 1 341388 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 5190 (syz-executor.1) thread 0xffff80002123dce8 (360098) 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 9521 6557K 6814K 78643K 11709 0 pcb 13 8K 8K 78643K 98 0 rtable 108 3K 5K 78643K 396 0 ifaddr 57 12K 12K 78643K 110 0 sysctl 2 0K 0K 78643K 2 0 counters 44 34K 34K 78643K 60 0 ioctlops 0 0K 4K 78643K 1513 0 iov 0 0K 16K 78643K 16 0 mount 1 1K 1K 78643K 1 0 vnodes 1221 77K 77K 78643K 1649 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 12 0K 1K 78643K 42 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 6 17K 25K 78643K 1336 0 sigio 0 0K 0K 78643K 10 0 proc 62 63K 95K 78643K 560 0 subproc 32 2K 2K 78643K 68 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 47 0 in_multi 33 2K 2K 78643K 98 0 ether_multi 1 0K 0K 78643K 10 0 mrt 0 0K 0K 78643K 6 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 61 281K 281K 78643K 61 0 exec 0 0K 2K 78643K 439 0 pfkey data 0 0K 0K 78643K 2 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 169 43K 43K 78643K 4087 0 UVM aobj 5 2K 2K 78643K 5 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 50 0 NDP 9 0K 0K 78643K 30 0 temp 99 3977K 4044K 78643K 18654 0 kqueue 3 4K 12K 78643K 38 0 SYN cache 2 12K 20K 78643K 3 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 11 0 4 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 120 48 0 46 1 0 1 1 0 8 0 rtentry 112 80 0 35 2 0 2 2 0 8 0 unpcb 120 234 0 223 1 0 1 1 0 8 0 syncache 296 8 0 8 3 2 1 1 0 8 1 tcpqe 32 584 0 584 1 1 0 1 0 8 0 tcpcb 736 180 0 172 5 4 1 2 0 8 0 inpcb 296 483 0 474 4 2 2 2 0 8 1 rttmr 72 2 0 2 2 2 0 1 0 8 0 nd6 48 17 0 11 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 1 0 1 0 8 0 kcovpl 48 4 0 2 1 0 1 1 0 8 0 ppxss 1128 3 0 3 2 2 0 1 0 8 0 pffrag 232 1 0 1 1 1 0 1 0 482 0 pffrnode 88 1 0 1 1 1 0 1 0 8 0 pffrent 40 4 0 4 2 2 0 1 0 8 0 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 17 0 17 1 1 0 1 0 8 0 pfstitem 24 38 0 20 1 0 1 1 0 8 0 pfstkey 112 38 0 20 1 0 1 1 0 8 0 pfstate 328 38 0 20 2 0 2 2 0 8 0 pfrule 1360 35 0 29 2 0 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 284 0 92 12 0 12 12 0 8 0 art_table 32 285 0 92 2 0 2 2 0 8 0 art_node 16 79 0 38 1 0 1 1 0 8 0 sysvmsgpl 40 20 0 14 1 0 1 1 0 8 0 semupl 112 3 0 3 2 2 0 1 0 8 0 semapl 112 32 0 22 1 0 1 1 0 8 0 shmpl 112 2 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2843 0 1442 89 1 88 89 0 8 0 ffsino 272 2843 0 1442 95 1 94 94 0 8 0 nchpl 144 4416 0 2824 60 0 60 60 0 8 0 uvmvnodes 72 3254 0 0 60 0 60 60 0 8 0 vnodes 224 3254 0 0 192 0 192 192 0 8 0 namei 1024 11310 0 11310 2 1 1 1 0 8 1 percpumem 16 41 0 8 1 0 1 1 0 8 0 vcpupl 1984 4 0 0 1 0 1 1 0 8 0 vmpool 560 4 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 5 0 5 1 1 0 1 0 8 0 scsiplug 72 1 0 1 1 0 1 1 0 8 1 scxspl 216 13352 0 13352 12 11 1 8 0 8 1 plimitpl 152 68 0 60 1 0 1 1 0 8 0 sigapl 424 1548 0 1513 4 0 4 4 0 8 0 futexpl 56 8702 0 8702 1 0 1 1 0 8 1 knotepl 112 118 0 98 1 0 1 1 0 8 0 kqueuepl 168 997 0 995 1 0 1 1 0 8 0 pipepl 336 144 0 133 4 2 2 3 0 8 0 fdescpl 496 1530 0 1513 3 0 3 3 0 8 0 filepl 152 5358 0 5256 11 5 6 8 0 8 2 lockfpl 104 134 0 133 1 0 1 1 0 8 0 lockfspl 48 43 0 42 1 0 1 1 0 8 0 sessionpl 144 20 0 9 1 0 1 1 0 8 0 pgrppl 48 20 0 9 1 0 1 1 0 8 0 ucredpl 96 466 0 457 1 0 1 1 0 8 0 zombiepl 144 1513 0 1513 2 1 1 1 0 8 1 processpl 1080 1548 0 1513 3 0 3 3 0 8 0 procpl 672 3330 0 3286 5 1 4 4 0 8 0 sosppl 168 4 0 4 1 0 1 1 0 8 1 sockpl 432 767 0 747 7 3 4 5 0 8 1 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 9 0 0 1 0 1 1 0 8 0 mcl9k 9216 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 6 0 0 1 0 1 1 0 8 0 mcl2k 2048 311 0 0 38 0 38 38 0 8 0 mtagpl 96 42 0 0 2 0 2 2 0 8 0 mbufpl 256 351 0 0 21 0 21 21 0 8 0 bufpl 280 5024 0 181 346 0 346 346 0 8 0 anonpl 24 130567 0 113284 129 24 105 127 0 186 0 amapchunkpl 152 6846 0 6468 21 4 17 20 0 158 0 amappl16 200 4433 0 3717 50 12 38 49 0 8 0 amappl15 192 246 0 244 1 0 1 1 0 8 0 amappl14 184 417 0 414 1 0 1 1 0 8 0 amappl13 176 50 0 48 1 0 1 1 0 8 0 amappl12 168 189 0 185 2 1 1 1 0 8 0 amappl11 160 67 0 50 1 0 1 1 0 8 0 amappl10 152 491 0 482 1 0 1 1 0 8 0 amappl9 144 291 0 291 2 2 0 1 0 8 0 amappl8 136 227 0 158 3 0 3 3 0 8 0 amappl7 128 276 0 265 1 0 1 1 0 8 0 amappl6 120 546 0 529 1 0 1 1 0 8 0 amappl5 112 1284 0 1265 1 0 1 1 0 8 0 amappl4 104 863 0 833 1 0 1 1 0 8 0 amappl3 96 178 0 170 1 0 1 1 0 8 0 amappl2 88 11630 0 11549 3 1 2 3 0 8 0 amappl1 80 54330 0 53845 26 14 12 21 0 8 0 amappl 88 3671 0 3585 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 4 0 0 1 0 1 1 0 8 0 uaddrrnd 24 1534 0 1513 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1534 0 1513 1 0 1 1 0 8 0 vmmpekpl 168 12489 0 12463 2 0 2 2 0 8 0 vmmpepl 168 201677 0 199569 141 36 105 116 0 357 13 vmsppl 368 1533 0 1513 2 0 2 2 0 8 0 rwobjpl 56 45576 0 44097 33 11 22 24 0 8 1 pdppl 4096 3075 0 3030 70 25 45 45 0 8 0 pvpl 32 673031 0 652690 199 30 169 195 0 265 1 pmappl 232 1533 0 1513 3 1 2 2 0 8 0 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 351 0 36 10 0 10 10 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+0xb sys/dev/kcov.c:139 softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x1f end of kernel end trace frame: 0x7f7fffff0be0, count: -6 ddb{0}> machine ddbcpu 1 Stopped at pf_addr_compare+0x47: movl 0xc(%r15),%r12d ddb{1}> trace pf_addr_compare(0,ffff8000232fcc60,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff8000232fcc48,3,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000b5d000,ffff8000232fcf18) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff8000232fcf18,ffff8000232fcf24,29,0,ffff800000b5d000) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000b5d000,fffffd80684ba500) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d01,ffff8000232fd208,ffff8000234ca000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff8000232fd060) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806edfa088,ffff8000232fd208,11,fffffd807f7b7840) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd80688a5ef8,ffff8000232fd208,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff80002123dce8,f0,ffff8000232fd208,0,ffff8000232fd2f0) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff80002123dce8,ffff8000232fd2a0,ffff8000232fd2f0) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff8000232fd370) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000232fd370) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcc177c64ab0, count: -13