login: uvm_fault(0xfffffd80084928a0, 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(0xfffffd80084928a0, 0xc, 0, 1) -> e pf_addr_compare(0,ffff8000224c0dd0,18) at pf_addr_compare+0x47 sys/net/pf.c:333 end trace frame: 0xffff8000224c0d90, count: 0 ddb{0}> trace pf_addr_compare(0,ffff8000224c0dd0,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff8000224c0db8,8,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000ae5000,ffff8000224c1088) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff8000224c1088,ffff8000224c1094,29,0,ffff800000ae5000) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000ae5000,fffffd806f734e00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d00,ffff8000224c1378,ffff8000212ac000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff8000224c11d0) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806e829788,ffff8000224c1378,11,fffffd807f7b7660) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd8065f0fef8,ffff8000224c1378,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff80002123c008,f0,ffff8000224c1378,0,ffff8000224c1460) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff80002123c008,ffff8000224c1410,ffff8000224c1460) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff8000224c14e0) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000224c14e0) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xddef1e39a50, count: -13 ddb{0}> show registers rdi 0x18 rsi 0xffffffff8270a410 __sancov_gen_cov_switch_values.133 rbp 0xffff8000224c0c90 rbx 0x18 rdx 0xffff800000afae80 rcx 0x2 rax 0xffff80002123c008 r8 0xffffffff819cefab pf_addr_compare+0x3b r9 0x1 r10 0x66464002d646f7a9 r11 0xdc21dd557643b6a r12 0x18 r13 0xffff8000000449c0 r14 0xffff8000224c0dd0 r15 0 rip 0xffffffff819cefb7 pf_addr_compare+0x47 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000224c0c40 ss 0x10 pf_addr_compare+0x47: movl 0xc(%r15),%r12d ddb{0}> show proc PROC (syz-executor.0) pid=123992 stat=onproc flags process=0 proc=4000000 pri=62, usrpri=62, nice=20 forw=0xffffffffffffffff, list=0xffff80002123c2a8,0xffffffff828c8868 process=0xffff800021235d98 user=0xffff8000224bc000, vmspace=0xfffffd80084928a0 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 43410 488201 90059 0 7 0 syz-executor.0 *43410 123992 90059 0 7 0x4000000 syz-executor.0 79278 457508 85807 0 3 0x82 nanoslp syz-executor.1 90059 442336 85807 0 3 0x82 nanoslp syz-executor.0 85807 524155 35989 0 3 0x82 nanoslp syz-fuzzer 85807 480293 35989 0 3 0x4000082 nanoslp syz-fuzzer 85807 117983 35989 0 3 0x4000082 thrsleep syz-fuzzer 85807 257236 35989 0 3 0x4000082 thrsleep syz-fuzzer 85807 166693 35989 0 3 0x4000082 thrsleep syz-fuzzer 85807 290935 35989 0 3 0x4000082 kqread syz-fuzzer 85807 182791 35989 0 3 0x4000082 thrsleep syz-fuzzer 85807 397979 35989 0 3 0x4000082 thrsleep syz-fuzzer 35989 274105 95481 0 3 0x10008a sigsusp ksh 95481 95494 40011 0 3 0x92 select sshd 25102 179715 1 0 3 0x100083 ttyin getty 40011 62819 1 0 3 0x80 select sshd 55276 335731 18803 74 3 0x100092 bpf pflogd 18803 296239 1 0 3 0x80 netio pflogd 71456 121198 88225 73 3 0x100090 kqread syslogd 88225 9085 1 0 3 0x100082 netio syslogd 35222 524119 1 77 3 0x100090 poll dhclient 93226 114076 1 0 3 0x80 poll dhclient 90772 446260 0 0 3 0x14200 bored smr 12105 166759 0 0 2 0x14200 zerothread 58982 209772 0 0 3 0x14200 aiodoned aiodoned 14290 177470 0 0 3 0x14200 syncer update 96543 515247 0 0 3 0x14200 cleaner cleaner 93093 337423 0 0 3 0x14200 reaper reaper 88143 474393 0 0 3 0x14200 pgdaemon pagedaemon 52430 415651 0 0 3 0x14200 bored crynlk 73141 419006 0 0 3 0x14200 bored crypto 49672 23693 0 0 3 0x14200 bored viomb 78984 109754 0 0 3 0x40014200 acpi0 acpi0 21814 272197 0 0 3 0x40014200 idle1 85760 521182 0 0 3 0x14200 bored softnet 13145 495209 0 0 3 0x14200 bored systqmp 85912 401831 0 0 3 0x14200 bored systq 33158 163280 0 0 3 0x40014200 bored softclock 44955 370033 0 0 3 0x40014200 idle0 1 429186 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 43410 (syz-executor.0) thread 0xffff80002123c008 (123992) 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{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9481 6416K 6416K 78643K 10571 0 pcb 13 8K 8K 78643K 13 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 1469 0 mount 1 1K 1K 78643K 1 0 vnodes 1216 76K 76K 78643K 1222 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 5 13K 25K 78643K 39 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 19 95K 95K 78643K 19 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 193 30K 30K 78643K 878 0 UVM aobj 3 2K 2K 78643K 3 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 10 0K 0K 78643K 10 0 temp 65 3971K 4035K 78643K 2047 0 kqueue 3 4K 4K 78643K 3 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 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 37 0 27 1 0 1 1 0 8 0 syncache 296 4 0 4 1 1 0 1 0 8 0 tcpqe 32 566 0 566 1 0 1 1 0 8 1 tcpcb 736 10 0 6 1 0 1 1 0 8 0 inpcb 296 39 0 32 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 12 0 0 1 0 1 1 0 8 0 pfstkey 112 12 0 0 1 0 1 1 0 8 0 pfstate 328 12 0 0 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 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1429 0 25 88 0 88 88 0 8 0 ffsino 272 1429 0 25 95 1 94 94 0 8 0 nchpl 144 1651 0 46 60 0 60 60 0 8 0 uvmvnodes 72 1473 0 0 27 0 27 27 0 8 0 vnodes 224 1473 0 0 87 0 87 87 0 8 0 namei 1024 4273 0 4273 2 1 1 1 0 8 1 percpumem 16 33 0 0 1 0 1 1 0 8 0 scxspl 216 4880 0 4880 10 2 8 8 0 8 8 plimitpl 152 15 0 7 1 0 1 1 0 8 0 sigapl 424 255 0 223 4 0 4 4 0 8 0 futexpl 56 10 0 10 1 0 1 1 0 8 1 knotepl 112 62 0 42 1 0 1 1 0 8 0 kqueuepl 168 2 0 0 1 0 1 1 0 8 0 pipepl 336 76 0 65 1 0 1 1 0 8 0 fdescpl 496 239 0 223 3 0 3 3 0 8 0 filepl 152 1111 0 1009 6 1 5 5 0 8 0 lockfpl 104 5 0 4 1 0 1 1 0 8 0 lockfspl 48 3 0 2 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 53 0 44 1 0 1 1 0 8 0 zombiepl 144 223 0 222 2 1 1 1 0 8 0 processpl 1080 255 0 222 3 0 3 3 0 8 0 procpl 672 269 0 228 5 1 4 4 0 8 0 sockpl 432 95 0 76 3 0 3 3 0 8 0 mcl4k 4096 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 194 0 0 24 0 24 24 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 210 0 0 13 0 13 13 0 8 0 bufpl 280 3339 0 181 226 0 226 226 0 8 0 anonpl 24 47200 0 22657 151 1 150 150 0 186 1 amapchunkpl 152 1673 0 931 32 1 31 31 0 158 1 amappl16 200 917 0 119 43 0 43 43 0 8 1 amappl15 192 1 0 0 1 0 1 1 0 8 0 amappl14 184 23 0 19 1 0 1 1 0 8 0 amappl13 176 27 0 24 1 0 1 1 0 8 0 amappl12 168 16 0 13 1 0 1 1 0 8 0 amappl11 160 56 0 38 1 0 1 1 0 8 0 amappl10 152 23 0 17 1 0 1 1 0 8 0 amappl9 144 296 0 294 2 1 1 1 0 8 0 amappl8 136 177 0 122 3 0 3 3 0 8 0 amappl7 128 254 0 247 1 0 1 1 0 8 0 amappl6 120 65 0 54 1 0 1 1 0 8 0 amappl5 112 377 0 359 1 0 1 1 0 8 0 amappl4 104 296 0 270 1 0 1 1 0 8 0 amappl3 96 121 0 114 1 0 1 1 0 8 0 amappl2 88 1004 0 933 3 1 2 3 0 8 0 amappl1 80 15723 0 15249 27 12 15 21 0 8 4 amappl 88 609 0 478 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 239 0 223 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 239 0 223 1 0 1 1 0 8 0 vmmpekpl 168 6078 0 6051 2 0 2 2 0 8 0 vmmpepl 168 37898 0 35800 137 7 130 130 0 357 38 vmsppl 368 238 0 223 2 0 2 2 0 8 0 rwobjpl 56 10294 0 8715 29 4 25 25 0 8 1 pdppl 4096 485 0 446 62 17 45 45 0 8 6 pvpl 32 144515 0 116945 228 0 228 228 0 265 4 pmappl 232 238 0 223 2 0 2 2 0 8 1 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 310 0 22 9 0 9 9 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace pf_addr_compare(0,ffff8000224c0dd0,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff8000224c0db8,8,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000ae5000,ffff8000224c1088) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff8000224c1088,ffff8000224c1094,29,0,ffff800000ae5000) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000ae5000,fffffd806f734e00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d00,ffff8000224c1378,ffff8000212ac000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff8000224c11d0) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806e829788,ffff8000224c1378,11,fffffd807f7b7660) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd8065f0fef8,ffff8000224c1378,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff80002123c008,f0,ffff8000224c1378,0,ffff8000224c1460) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff80002123c008,ffff8000224c1410,ffff8000224c1460) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff8000224c14e0) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000224c14e0) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xddef1e39a50, 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 witness_warn(2,0,ffffffff824336b1) at witness_warn+0x325 userret(ffff80002123c2a8) at userret+0x367 sys/kern/kern_sig.c:1940 syscall(ffff8000234cf080) at syscall+0x55c mi_syscall_return sys/sys/syscall_mi.h:129 [inline] syscall(ffff8000234cf080) at syscall+0x55c sys/arch/amd64/amd64/trap.c:612 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffde860, count: -7