uvm_fault(0xfffffd8008492450, 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(0xfffffd8008492450, 0xc, 0, 1) -> e pf_addr_compare(0,ffff8000222c8e40,18) at pf_addr_compare+0x47 sys/net/pf.c:333 end trace frame: 0xffff8000222c8e00, count: 0 ddb{1}> trace pf_addr_compare(0,ffff8000222c8e40,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff8000222c8e28,8,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000ae5000,ffff8000222c90f8) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff8000222c90f8,ffff8000222c9104,29,0,ffff800000ae5000) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000ae5000,fffffd807f007b00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d00,ffff8000222c93e8,ffff8000212a6000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff8000222c9240) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd8079b09248,ffff8000222c93e8,11,fffffd807f7b78a0) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd806cb65e50,ffff8000222c93e8,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff800021278fc0,f0,ffff8000222c93e8,0,ffff8000222c94d0) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff800021278fc0,ffff8000222c9480,ffff8000222c94d0) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff8000222c9550) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000222c9550) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf9717292e40, count: -13 ddb{1}> show registers rdi 0x18 rsi 0xffffffff8270a410 __sancov_gen_cov_switch_values.133 rbp 0xffff8000222c8d00 rbx 0x18 rdx 0xffff800000af8ec0 rcx 0x2 rax 0xffff800021278fc0 r8 0xffffffff819cefab pf_addr_compare+0x3b r9 0x1 r10 0x7f172fc25ccc9acd r11 0xa70fa74c38b2052f r12 0x18 r13 0xffff800000044ac0 r14 0xffff8000222c8e40 r15 0 rip 0xffffffff819cefb7 pf_addr_compare+0x47 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000222c8cb0 ss 0x10 pf_addr_compare+0x47: movl 0xc(%r15),%r12d ddb{1}> show proc PROC (syz-executor.0) pid=334764 stat=onproc flags process=0 proc=4000000 pri=78, usrpri=78, nice=20 forw=0xffffffffffffffff, list=0xffff800021278000,0xffff8000212782b0 process=0xffff800021236e78 user=0xffff8000222c4000, vmspace=0xfffffd8008492450 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 32210 30409 86477 0 7 0 syz-executor.1 32210 215882 86477 0 2 0x4000000 syz-executor.1 31261 483756 87666 0 2 0 syz-executor.0 *31261 334764 87666 0 7 0x4000000 syz-executor.0 86477 364560 7274 0 3 0x82 nanoslp syz-executor.1 87666 160960 7274 0 3 0x82 nanoslp syz-executor.0 7274 338534 44454 0 3 0x82 thrsleep syz-fuzzer 7274 242616 44454 0 3 0x4000082 thrsleep syz-fuzzer 7274 52124 44454 0 3 0x4000082 thrsleep syz-fuzzer 7274 209269 44454 0 3 0x4000082 thrsleep syz-fuzzer 7274 51491 44454 0 3 0x4000082 thrsleep syz-fuzzer 7274 229388 44454 0 3 0x4000082 nanoslp syz-fuzzer 7274 360701 44454 0 3 0x4000082 thrsleep syz-fuzzer 7274 3222 44454 0 3 0x4000082 thrsleep syz-fuzzer 44454 63469 94507 0 3 0x10008a sigsusp ksh 94507 265951 99440 0 3 0x92 select sshd 24701 494953 1 0 3 0x100083 ttyin getty 99440 339172 1 0 3 0x80 select sshd 90970 431995 2702 74 3 0x100092 bpf pflogd 2702 231943 1 0 3 0x80 netio pflogd 69136 301465 54577 73 3 0x100090 kqread syslogd 54577 13226 1 0 3 0x100082 netio syslogd 49671 216968 1 77 3 0x100090 poll dhclient 38195 183903 1 0 3 0x80 poll dhclient 34350 415090 0 0 3 0x14200 bored smr 95587 225700 0 0 2 0x14200 zerothread 33026 494559 0 0 3 0x14200 aiodoned aiodoned 20095 332795 0 0 3 0x14200 syncer update 93570 256254 0 0 3 0x14200 cleaner cleaner 58062 122627 0 0 3 0x14200 reaper reaper 81073 250058 0 0 3 0x14200 pgdaemon pagedaemon 17934 464775 0 0 3 0x14200 bored crynlk 43215 379269 0 0 3 0x14200 bored crypto 32119 173441 0 0 3 0x14200 bored viomb 36625 200182 0 0 3 0x40014200 acpi0 acpi0 53000 56469 0 0 3 0x40014200 idle1 96762 128759 0 0 3 0x14200 bored softnet 14152 68215 0 0 3 0x14200 bored systqmp 63147 173168 0 0 3 0x14200 bored systq 39279 296609 0 0 3 0x40014200 bored softclock 91622 473569 0 0 3 0x40014200 idle0 1 458772 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 31261 (syz-executor.0) thread 0xffff800021278fc0 (334764) 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 9492 6427K 6747K 78643K 11014 0 pcb 13 8K 8K 78643K 33 0 rtable 105 3K 3K 78643K 201 0 ifaddr 49 11K 11K 78643K 50 0 counters 44 34K 34K 78643K 44 0 ioctlops 0 0K 4K 78643K 1469 0 iov 0 0K 12K 78643K 20 0 mount 1 1K 1K 78643K 1 0 vnodes 1218 77K 77K 78643K 1350 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 2 0K 0K 78643K 2 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 6 17K 25K 78643K 376 0 proc 59 63K 95K 78643K 476 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 33 0 in_multi 33 2K 2K 78643K 55 0 ether_multi 1 0K 0K 78643K 9 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 37 175K 175K 78643K 37 0 exec 0 0K 2K 78643K 358 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 94 21K 21K 78643K 1531 0 UVM aobj 3 2K 2K 78643K 3 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 80 0 NDP 7 0K 0K 78643K 11 0 temp 71 3972K 4036K 78643K 3322 0 kqueue 3 4K 8K 78643K 16 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 19 0 17 1 0 1 1 0 8 0 rtentry 112 45 0 1 2 0 2 2 0 8 0 unpcb 120 40 0 30 1 0 1 1 0 8 0 syncache 296 4 0 4 1 1 0 1 0 8 0 tcpqe 32 122 0 122 2 2 0 1 0 8 0 tcpcb 736 96 0 91 6 1 5 5 0 8 4 inpcb 296 200 0 192 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 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 5 1 0 1 1 0 8 0 pfstkey 112 13 0 5 1 0 1 1 0 8 0 pfstate 328 13 0 5 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 256 189 0 0 12 0 12 12 0 8 0 art_table 32 190 0 0 2 0 2 2 0 8 0 art_node 16 44 0 4 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1891 0 488 88 0 88 88 0 8 0 ffsino 272 1891 0 488 94 0 94 94 0 8 0 nchpl 144 2505 0 900 60 0 60 60 0 8 0 uvmvnodes 72 2019 0 0 37 0 37 37 0 8 0 vnodes 224 2019 0 0 119 0 119 119 0 8 0 namei 1024 6377 0 6377 1 0 1 1 0 8 1 percpumem 16 33 0 0 1 0 1 1 0 8 0 scxspl 216 7242 0 7242 9 8 1 8 0 8 1 plimitpl 152 23 0 15 1 0 1 1 0 8 0 sigapl 424 592 0 559 4 0 4 4 0 8 0 futexpl 56 2316 0 2316 1 0 1 1 0 8 1 knotepl 112 82 0 62 1 0 1 1 0 8 0 kqueuepl 168 103 0 101 1 0 1 1 0 8 0 pipepl 336 84 0 73 2 0 2 2 0 8 1 fdescpl 496 576 0 559 4 1 3 3 0 8 0 filepl 152 2203 0 2101 5 0 5 5 0 8 0 lockfpl 104 103 0 102 1 0 1 1 0 8 0 lockfspl 48 24 0 23 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 96 162 0 153 1 0 1 1 0 8 0 zombiepl 144 559 0 559 1 0 1 1 0 8 1 processpl 1080 592 0 559 3 0 3 3 0 8 0 procpl 672 1028 0 986 4 0 4 4 0 8 0 sockpl 432 259 0 239 3 0 3 3 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 8 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 142 0 0 16 0 16 16 0 8 0 mtagpl 96 45 0 0 2 0 2 2 0 8 0 mbufpl 256 349 0 0 21 0 21 21 0 8 0 bufpl 280 3723 0 181 253 0 253 253 0 8 0 anonpl 24 47873 0 42950 33 2 31 31 0 186 1 amapchunkpl 152 2264 0 2095 9 2 7 8 0 158 0 amappl16 200 1250 0 1093 9 0 9 9 0 8 0 amappl15 192 2 0 0 1 0 1 1 0 8 0 amappl14 184 24 0 19 1 0 1 1 0 8 0 amappl13 176 27 0 24 1 0 1 1 0 8 0 amappl12 168 4 0 3 1 0 1 1 0 8 0 amappl11 160 220 0 200 2 1 1 2 0 8 0 amappl10 152 15 0 10 1 0 1 1 0 8 0 amappl9 144 201 0 199 1 0 1 1 0 8 0 amappl8 136 116 0 89 1 0 1 1 0 8 0 amappl7 128 425 0 414 1 0 1 1 0 8 0 amappl6 120 70 0 59 1 0 1 1 0 8 0 amappl5 112 1428 0 1408 1 0 1 1 0 8 0 amappl4 104 283 0 254 2 1 1 2 0 8 0 amappl3 96 150 0 141 1 0 1 1 0 8 0 amappl2 88 3730 0 3653 3 1 2 3 0 8 0 amappl1 80 24918 0 24428 27 15 12 21 0 8 0 amappl 88 1274 0 1222 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 576 0 559 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 576 0 559 1 0 1 1 0 8 0 vmmpekpl 168 7186 0 7154 2 0 2 2 0 8 0 vmmpepl 168 76823 0 75376 83 18 65 77 0 357 2 vmsppl 368 575 0 559 2 0 2 2 0 8 0 rwobjpl 56 18201 0 17350 24 11 13 19 0 8 0 pdppl 4096 1159 0 1118 57 16 41 45 0 8 0 pvpl 32 223017 0 214975 117 19 98 117 0 265 31 pmappl 232 575 0 559 2 1 1 2 0 8 0 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 310 0 20 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 copyout() at copyout+0x49 syscall(ffff800023ed5c40) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800023ed5c40) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffcfe40, count: -6 ddb{0}> machine ddbcpu 1 Stopped at pf_addr_compare+0x47: movl 0xc(%r15),%r12d ddb{1}> trace pf_addr_compare(0,ffff8000222c8e40,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff8000222c8e28,8,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000ae5000,ffff8000222c90f8) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff8000222c90f8,ffff8000222c9104,29,0,ffff800000ae5000) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000ae5000,fffffd807f007b00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d00,ffff8000222c93e8,ffff8000212a6000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff8000222c9240) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd8079b09248,ffff8000222c93e8,11,fffffd807f7b78a0) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd806cb65e50,ffff8000222c93e8,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff800021278fc0,f0,ffff8000222c93e8,0,ffff8000222c94d0) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff800021278fc0,ffff8000222c9480,ffff8000222c94d0) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff8000222c9550) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000222c9550) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf9717292e40, count: -13