login: uvm_fault(0xfffffd80752185d0, 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(0xfffffd80752185d0, 0xc, 0, 1) -> e pf_addr_compare(0,ffff800023369010,18) at pf_addr_compare+0x47 sys/net/pf.c:333 end trace frame: 0xffff800023368fd0, count: 0 ddb{0}> trace pf_addr_compare(0,ffff800023369010,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff800023368ff8,3,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000b67000,ffff8000233692c8) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff8000233692c8,ffff8000233692d4,29,0,ffff800000b67000) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000b67000,fffffd80663b1c00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(28a9,ffff800023369630,ffff8000230c8000,0) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff800023369410) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806fe9c3b8,ffff800023369630,1,fffffd807f7b7ae0) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd80693f3018,ffff800023369630,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff8000232d6a90,3,ffff800023369630,0,ffff800023369720) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_writev(ffff8000232d6a90,ffff8000233696d8,ffff800023369720) at sys_writev+0xa7 sys/kern/sys_generic.c:312 syscall(ffff8000233697a0) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000233697a0) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x40037f3db70, count: -13 ddb{0}> show registers rdi 0x18 rsi 0xffffffff8270a410 __sancov_gen_cov_switch_values.133 rbp 0xffff800023368ed0 rbx 0x18 rdx 0xffff800000ac5800 rcx 0x2 rax 0xffff8000232d6a90 r8 0xffffffff819cefab pf_addr_compare+0x3b r9 0x1 r10 0x181441655c8b69ac r11 0xb4864297b07e8512 r12 0x18 r13 0xffff800000044940 r14 0xffff800023369010 r15 0 rip 0xffffffff819cefb7 pf_addr_compare+0x47 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800023368e80 ss 0x10 pf_addr_compare+0x47: movl 0xc(%r15),%r12d ddb{0}> show proc PROC (syz-executor.0) pid=483302 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000232d77b0,0xffff8000232d62c0 process=0xffff800023321968 user=0xffff800023364000, vmspace=0xfffffd80752185d0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 61874 137199 28687 0 7 0 syz-executor.1 61874 225374 28687 0 3 0x4000080 fsleep syz-executor.1 42093 24624 52147 0 2 0 syz-executor.0 *42093 483302 52147 0 7 0x4000000 syz-executor.0 9932 44567 1 0 3 0x100083 ttyin getty 52147 79999 33240 0 3 0x82 nanoslp syz-executor.0 28687 55201 33240 0 3 0x82 nanoslp syz-executor.1 84134 479845 0 0 3 0x14280 nfsidl nfsio 55395 498931 0 0 3 0x14280 nfsidl nfsio 95863 85253 0 0 3 0x14280 nfsidl nfsio 94617 260565 0 0 3 0x14280 nfsidl nfsio 97448 153735 0 0 3 0x14280 nfsidl nfsio 1454 212349 0 0 3 0x14280 nfsidl nfsio 91859 46846 0 0 3 0x14280 nfsidl nfsio 30318 165166 0 0 3 0x14280 nfsidl nfsio 18497 308603 0 0 3 0x14280 nfsidl nfsio 64008 51994 0 0 3 0x14280 nfsidl nfsio 16611 4283 0 0 3 0x14280 nfsidl nfsio 49695 141383 0 0 3 0x14280 nfsidl nfsio 48806 395701 0 0 3 0x14280 nfsidl nfsio 11111 81419 0 0 3 0x14280 nfsidl nfsio 28685 58593 0 0 3 0x14280 nfsidl nfsio 7857 499699 0 0 3 0x14280 nfsidl nfsio 30978 154979 0 0 3 0x14280 nfsidl nfsio 74750 134254 0 0 3 0x14280 nfsidl nfsio 92757 149922 0 0 3 0x14280 nfsidl nfsio 14944 148720 0 0 3 0x14280 nfsidl nfsio 43318 82294 0 0 3 0x14200 bored sosplice 33240 230977 15242 0 3 0x82 thrsleep syz-fuzzer 33240 3999 15242 0 3 0x4000082 thrsleep syz-fuzzer 33240 208373 15242 0 3 0x4000082 thrsleep syz-fuzzer 33240 79838 15242 0 3 0x4000082 kqread syz-fuzzer 33240 68505 15242 0 3 0x4000082 thrsleep syz-fuzzer 33240 366559 15242 0 3 0x4000082 thrsleep syz-fuzzer 33240 248350 15242 0 3 0x4000082 thrsleep syz-fuzzer 33240 402181 15242 0 3 0x4000082 thrsleep syz-fuzzer 15242 191740 76602 0 3 0x10008a sigsusp ksh 76602 27758 29681 0 3 0x92 select sshd 29681 357663 1 0 3 0x80 select sshd 92641 176864 72091 74 3 0x100092 bpf pflogd 72091 170812 1 0 3 0x80 netio pflogd 99084 507490 591 73 3 0x100090 kqread syslogd 591 239254 1 0 3 0x100082 netio syslogd 8026 15221 1 77 3 0x100090 poll dhclient 51870 422270 1 0 3 0x80 poll dhclient 71595 324841 0 0 3 0x14200 bored smr 66879 19917 0 0 2 0x14200 zerothread 58610 144913 0 0 3 0x14200 aiodoned aiodoned 52496 146314 0 0 3 0x14200 syncer update 46108 434264 0 0 3 0x14200 cleaner cleaner 75795 367146 0 0 3 0x14200 reaper reaper 73179 91989 0 0 3 0x14200 pgdaemon pagedaemon 50785 478408 0 0 3 0x14200 bored crynlk 40760 28244 0 0 3 0x14200 bored crypto 68406 203508 0 0 3 0x14200 bored viomb 96811 69307 0 0 3 0x40014200 acpi0 acpi0 92487 123075 0 0 3 0x40014200 idle1 16563 257202 0 0 3 0x14200 bored softnet 24855 487030 0 0 3 0x14200 bored systqmp 56023 307742 0 0 3 0x14200 bored systq 94417 45060 0 0 3 0x40014200 bored softclock 59529 396895 0 0 3 0x40014200 idle0 1 456631 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 42093 (syz-executor.0) thread 0xffff8000232d6a90 (483302) 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_writev+0xa7 sys/kern/sys_generic.c:312 #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_writev+0xa7 sys/kern/sys_generic.c:312 #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 9533 6445K 7599K 78643K 12523 0 pcb 13 8K 8K 78643K 105 0 rtable 105 3K 3K 78643K 478 0 ifaddr 74 14K 14K 78643K 153 0 counters 46 34K 34K 78643K 72 0 ioctlops 0 0K 4K 78643K 1537 0 iov 0 0K 24K 78643K 63 0 mount 1 1K 1K 78643K 1 0 vnodes 1223 77K 77K 78643K 1982 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 6 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 63 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 6 17K 25K 78643K 2000 0 sigio 0 0K 0K 78643K 10 0 proc 66 63K 95K 78643K 684 0 subproc 32 2K 2K 78643K 102 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 78 0 in_multi 33 2K 2K 78643K 159 0 ether_multi 1 0K 0K 78643K 18 0 mrt 0 0K 0K 78643K 12 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 55 254K 254K 78643K 55 0 exec 0 0K 2K 78643K 549 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 156K 157K 78643K 5440 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 62 0 NDP 13 0K 0K 78643K 46 0 temp 95 3972K 4036K 78643K 7058 0 kqueue 3 4K 8K 78643K 30 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 14 0 8 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 120 87 0 85 1 0 1 1 0 8 0 rtentry 112 97 0 53 2 0 2 2 0 8 0 unpcb 120 433 0 418 1 0 1 1 0 8 0 syncache 296 17 0 17 3 3 0 1 0 8 0 tcpqe 32 1368 0 1368 2 2 0 1 0 8 0 tcpcb 736 330 0 303 10 6 4 4 0 8 0 inpcb 296 707 0 695 4 2 2 2 0 8 0 nd6 48 26 0 20 1 0 1 1 0 8 0 pkpcb 40 5 0 5 1 1 0 1 0 8 0 kcovpl 48 6 0 4 1 0 1 1 0 8 0 ppxss 1128 5 0 5 1 1 0 1 0 8 0 pffrag 232 8 0 7 1 0 1 1 0 482 0 pffrnode 88 8 0 7 1 0 1 1 0 8 0 pffrent 40 25 0 24 1 0 1 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 pfstitem 24 13 0 11 1 0 1 1 0 8 0 pfstkey 112 13 0 11 1 0 1 1 0 8 0 pfstate 328 13 0 11 2 1 1 2 0 8 0 pfrule 1360 39 0 33 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 367 0 176 12 0 12 12 0 8 0 art_table 32 368 0 176 2 0 2 2 0 8 0 art_node 16 96 0 56 1 0 1 1 0 8 0 semupl 112 13 0 13 1 1 0 1 0 8 0 semapl 112 53 0 43 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 3850 0 2446 90 2 88 89 0 8 0 ffsino 272 3850 0 2446 94 0 94 94 0 8 0 nchpl 144 6153 0 4559 60 0 60 60 0 8 0 uvmvnodes 72 4427 0 0 81 0 81 81 0 8 0 vnodes 224 4427 0 0 261 0 261 261 0 8 0 namei 1024 16191 0 16191 1 0 1 1 0 8 1 percpumem 16 47 0 13 1 0 1 1 0 8 0 vcpupl 1984 10 0 0 2 0 2 2 0 8 0 vmpool 560 10 0 0 1 0 1 1 0 8 0 scxspl 216 19090 0 19090 9 8 1 8 0 8 1 plimitpl 152 147 0 139 1 0 1 1 0 8 0 sigapl 424 2226 0 2172 7 0 7 7 0 8 0 futexpl 56 11573 0 11572 1 0 1 1 0 8 0 knotepl 112 139 0 119 1 0 1 1 0 8 0 kqueuepl 168 729 0 726 1 0 1 1 0 8 0 pipepl 336 130 0 119 3 1 2 2 0 8 0 fdescpl 496 2189 0 2172 3 0 3 3 0 8 0 filepl 152 7323 0 7216 5 0 5 5 0 8 0 lockfpl 104 427 0 426 1 0 1 1 0 8 0 lockfspl 48 124 0 123 1 0 1 1 0 8 0 sessionpl 144 23 0 12 1 0 1 1 0 8 0 pgrppl 48 28 0 17 1 0 1 1 0 8 0 ucredpl 96 1198 0 1189 1 0 1 1 0 8 0 zombiepl 144 2172 0 2172 1 0 1 1 0 8 1 processpl 1080 2226 0 2172 4 0 4 4 0 8 0 procpl 672 4691 0 4628 6 0 6 6 0 8 0 sosppl 168 51 0 46 3 2 1 1 0 8 0 sockpl 432 1237 0 1208 6 2 4 4 0 8 0 mcl64k 65536 12 0 0 2 0 2 2 0 8 0 mcl12k 12288 4 0 0 1 0 1 1 0 8 0 mcl9k 9216 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 9 0 0 2 0 2 2 0 8 0 mcl4k 4096 6 0 0 1 0 1 1 0 8 0 mcl2k 2048 246 0 0 28 0 28 28 0 8 0 mtagpl 96 110 0 0 3 0 3 3 0 8 0 mbufpl 256 491 0 0 26 0 26 26 0 8 0 bufpl 280 6298 0 188 437 0 437 437 0 8 0 anonpl 24 180645 0 170142 91 2 89 89 0 186 22 amapchunkpl 152 8867 0 8599 15 3 12 12 0 158 1 amappl16 200 7391 0 6998 37 3 34 34 0 8 13 amappl15 192 5 0 2 1 0 1 1 0 8 0 amappl14 184 28 0 22 1 0 1 1 0 8 0 amappl13 176 51 0 49 1 0 1 1 0 8 0 amappl12 168 18 0 15 2 1 1 1 0 8 0 amappl11 160 77 0 59 2 1 1 2 0 8 0 amappl10 152 190 0 186 1 0 1 1 0 8 0 amappl9 144 647 0 644 1 0 1 1 0 8 0 amappl8 136 2834 0 2782 2 0 2 2 0 8 0 amappl7 128 645 0 635 1 0 1 1 0 8 0 amappl6 120 263 0 247 1 0 1 1 0 8 0 amappl5 112 2349 0 2329 1 0 1 1 0 8 0 amappl4 104 293 0 268 1 0 1 1 0 8 0 amappl3 96 160 0 152 1 0 1 1 0 8 0 amappl2 88 16359 0 16277 3 1 2 3 0 8 0 amappl1 80 70069 0 69574 26 14 12 21 0 8 0 amappl 88 5027 0 4948 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 2199 0 2172 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2199 0 2172 1 0 1 1 0 8 0 vmmpekpl 168 14356 0 14316 2 0 2 2 0 8 0 vmmpepl 168 276966 0 275220 122 34 88 90 0 357 11 vmsppl 368 2198 0 2172 3 0 3 3 0 8 0 rwobjpl 56 61220 0 60084 29 9 20 20 0 8 2 pdppl 4096 4405 0 4354 69 18 51 51 0 8 0 pvpl 32 820864 0 806805 178 29 149 149 0 265 33 pmappl 232 2198 0 2172 4 2 2 2 0 8 0 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 350 0 30 10 0 10 10 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace pf_addr_compare(0,ffff800023369010,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff800023368ff8,3,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000b67000,ffff8000233692c8) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff8000233692c8,ffff8000233692d4,29,0,ffff800000b67000) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000b67000,fffffd80663b1c00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(28a9,ffff800023369630,ffff8000230c8000,0) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff800023369410) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806fe9c3b8,ffff800023369630,1,fffffd807f7b7ae0) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd80693f3018,ffff800023369630,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff8000232d6a90,3,ffff800023369630,0,ffff800023369720) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_writev(ffff8000232d6a90,ffff8000233696d8,ffff800023369720) at sys_writev+0xa7 sys/kern/sys_generic.c:312 syscall(ffff8000233697a0) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000233697a0) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x40037f3db70, 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 __mp_lock(ffffffff828b9d20) at __mp_lock+0x129 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828b9d20) at __mp_lock+0x129 sys/kern/kern_lock.c:147 upageflttrap(ffff8000222b3ba0,97a4d81bf0) at upageflttrap+0x77 sys/arch/amd64/amd64/trap.c:180 usertrap(ffff8000222b3ba0) at usertrap+0x21a sys/arch/amd64/amd64/trap.c:406 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7f7fffff2690, count: -7