uvm_fault(0xfffffd80084925c0, 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(0xfffffd80084925c0, 0xc, 0, 1) -> e pf_addr_compare(0,ffff8000234cf300,18) at pf_addr_compare+0x47 sys/net/pf.c:333 end trace frame: 0xffff8000234cf2c0, count: 0 ddb{0}> trace pf_addr_compare(0,ffff8000234cf300,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff8000234cf2e8,3,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000b18800,ffff8000234cf5b8) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff8000234cf5b8,ffff8000234cf5c4,29,0,ffff800000b18800) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000b18800,fffffd80677f5f00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(28ac,ffff8000234cf920,ffff8000234d0000,0) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff8000234cf700) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd80781e5138,ffff8000234cf920,1,fffffd807f7b7840) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd8066b64d30,ffff8000234cf920,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff80002123c2a0,3,ffff8000234cf920,0,ffff8000234cfa10) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_writev(ffff80002123c2a0,ffff8000234cf9c8,ffff8000234cfa10) at sys_writev+0xa7 sys/kern/sys_generic.c:312 syscall(ffff8000234cfa90) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000234cfa90) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1eb3b239b80, count: -13 ddb{0}> show registers rdi 0x18 rsi 0xffffffff8270a410 __sancov_gen_cov_switch_values.133 rbp 0xffff8000234cf1c0 rbx 0x18 rdx 0xffff800000ac5900 rcx 0x2 rax 0xffff80002123c2a0 r8 0xffffffff819cefab pf_addr_compare+0x3b r9 0x1 r10 0x395a66825685639b r11 0xce54a37924624145 r12 0x18 r13 0xffff800000044ac0 r14 0xffff8000234cf300 r15 0 rip 0xffffffff819cefb7 pf_addr_compare+0x47 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000234cf170 ss 0x10 pf_addr_compare+0x47: movl 0xc(%r15),%r12d ddb{0}> show proc PROC (syz-executor.1) pid=454033 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=76, nice=20 forw=0xffffffffffffffff, list=0xffff80002123ca80,0xffffffff828c8868 process=0xffff8000212372b0 user=0xffff8000234ca000, vmspace=0xfffffd80084925c0 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 72120 435414 65062 0 2 0 syz-executor.1 *72120 454033 65062 0 7 0x4000000 syz-executor.1 45521 485879 1 0 3 0x100083 ttyin getty 17820 211060 0 0 3 0x14200 bored sosplice 65062 112781 49183 0 3 0x82 nanoslp syz-executor.1 63588 155133 49183 0 3 0x82 nanoslp syz-executor.0 49183 511235 59731 0 3 0x82 thrsleep syz-fuzzer 49183 56674 59731 0 3 0x4000082 nanoslp syz-fuzzer 49183 305935 59731 0 3 0x4000082 nanoslp syz-fuzzer 49183 473711 59731 0 3 0x4000082 thrsleep syz-fuzzer 49183 142128 59731 0 3 0x4000082 thrsleep syz-fuzzer 49183 44239 59731 0 3 0x4000082 thrsleep syz-fuzzer 49183 32776 59731 0 3 0x4000082 thrsleep syz-fuzzer 49183 361238 59731 0 3 0x4000082 kqread syz-fuzzer 59731 181181 39834 0 3 0x10008a sigsusp ksh 39834 483047 10215 0 3 0x92 select sshd 10215 61790 1 0 3 0x80 select sshd 89062 173528 95500 74 3 0x100092 bpf pflogd 95500 479000 1 0 3 0x80 netio pflogd 75866 462527 68396 73 3 0x100090 kqread syslogd 68396 205107 1 0 3 0x100082 netio syslogd 43971 220064 1 77 3 0x100090 poll dhclient 91423 77023 1 0 7 0 dhclient 54681 183365 0 0 3 0x14200 bored smr 80003 253534 0 0 3 0x14200 pgzero zerothread 54709 357191 0 0 3 0x14200 aiodoned aiodoned 73794 250857 0 0 3 0x14200 syncer update 96366 38295 0 0 3 0x14200 cleaner cleaner 76915 156484 0 0 3 0x14200 reaper reaper 70812 182353 0 0 3 0x14200 pgdaemon pagedaemon 13872 145746 0 0 3 0x14200 bored crynlk 60355 94897 0 0 3 0x14200 bored crypto 16959 367693 0 0 3 0x14200 bored viomb 77809 22990 0 0 3 0x40014200 acpi0 acpi0 69739 220173 0 0 3 0x40014200 idle1 15859 176637 0 0 3 0x14200 bored softnet 22541 77427 0 0 3 0x14200 bored systqmp 66987 190252 0 0 3 0x14200 bored systq 35246 195943 0 0 3 0x40014200 bored softclock 71271 284464 0 0 3 0x40014200 idle0 1 153881 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 72120 (syz-executor.1) thread 0xffff80002123c2a0 (454033) 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 9512 6429K 7202K 78643K 11889 0 pcb 13 8K 8K 78643K 57 0 rtable 86 3K 4K 78643K 280 0 ifaddr 62 13K 13K 78643K 65 0 counters 46 34K 34K 78643K 46 0 ioctlops 0 0K 4K 78643K 1513 0 iov 0 0K 24K 78643K 51 0 mount 1 1K 1K 78643K 1 0 vnodes 1221 77K 77K 78643K 1622 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 9 0 VM map 2 1K 1K 78643K 2 0 sem 10 1K 1K 78643K 16 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 5 13K 25K 78643K 1307 0 sigio 0 0K 0K 78643K 21 0 proc 60 63K 95K 78643K 484 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 22 0 in_multi 30 2K 2K 78643K 75 0 ether_multi 1 0K 0K 78643K 25 0 mrt 0 0K 0K 78643K 8 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 391 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 160 29K 29K 78643K 3732 0 UVM aobj 11 2K 2K 78643K 11 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 38 0 NDP 9 0K 0K 78643K 13 0 temp 100 3977K 4043K 78643K 5629 0 kqueue 3 4K 8K 78643K 25 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 34 0 32 1 0 1 1 0 8 0 rtentry 112 45 0 12 2 0 2 2 0 8 0 unpcb 120 227 0 217 1 0 1 1 0 8 0 syncache 296 17 0 17 3 2 1 1 0 8 1 tcpqe 32 101 0 101 1 1 0 1 0 8 0 tcpcb 736 150 0 146 5 2 3 3 0 8 2 inpcb 296 402 0 395 3 1 2 2 0 8 1 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 pfrktable 1344 1 0 0 1 0 1 1 0 8 0 pfstitem 24 22 0 6 1 0 1 1 0 8 0 pfstkey 112 22 0 6 1 0 1 1 0 8 0 pfstate 328 22 0 6 2 0 2 2 0 8 0 pfrule 1360 31 0 21 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 1 11 12 0 8 0 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 35 0 17 1 0 1 1 0 8 0 semupl 112 5 0 5 1 1 0 1 0 8 0 semapl 112 8 0 0 1 0 1 1 0 8 0 shmpl 112 8 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2964 0 1560 88 0 88 88 0 8 0 ffsino 272 2964 0 1560 94 0 94 94 0 8 0 nchpl 144 4565 0 2958 60 0 60 60 0 8 0 uvmvnodes 72 3324 0 0 61 0 61 61 0 8 0 vnodes 224 3324 0 0 196 0 196 196 0 8 0 namei 1024 11173 0 11173 1 0 1 1 0 8 1 percpumem 16 34 0 0 1 0 1 1 0 8 0 scxspl 216 14560 0 14560 9 8 1 8 0 8 1 plimitpl 152 74 0 66 1 0 1 1 0 8 0 sigapl 424 1525 0 1492 4 0 4 4 0 8 0 futexpl 56 7355 0 7355 1 0 1 1 0 8 1 knotepl 112 84 0 64 1 0 1 1 0 8 0 kqueuepl 168 568 0 566 1 0 1 1 0 8 0 pipepl 336 92 0 81 3 1 2 2 0 8 1 fdescpl 496 1508 0 1492 3 0 3 3 0 8 0 filepl 152 4624 0 4521 5 0 5 5 0 8 0 lockfpl 104 109 0 108 1 0 1 1 0 8 0 lockfspl 48 45 0 44 1 0 1 1 0 8 0 sessionpl 144 19 0 8 1 0 1 1 0 8 0 pgrppl 48 27 0 16 1 0 1 1 0 8 0 ucredpl 96 429 0 420 1 0 1 1 0 8 0 zombiepl 144 1492 0 1491 1 0 1 1 0 8 0 processpl 1080 1525 0 1491 3 0 3 3 0 8 0 procpl 672 3082 0 3040 4 0 4 4 0 8 0 srpgc 96 2 0 2 1 1 0 1 0 8 0 sosppl 168 17 0 17 1 1 0 1 0 8 0 sockpl 432 663 0 644 6 2 4 4 0 8 1 mcl64k 65536 8 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 5 0 0 1 0 1 1 0 8 0 mcl8k 8192 6 0 0 1 0 1 1 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 188 0 0 23 0 23 23 0 8 0 mtagpl 96 81 0 0 2 0 2 2 0 8 0 mbufpl 256 411 0 0 27 1 26 26 0 8 0 bufpl 280 5357 0 177 370 0 370 370 0 8 0 anonpl 24 116933 0 101641 97 1 96 96 0 186 3 amapchunkpl 152 5742 0 5373 17 2 15 16 0 158 0 amappl16 200 4486 0 3889 34 0 34 34 0 8 2 amappl15 192 2 0 1 1 0 1 1 0 8 0 amappl14 184 24 0 19 1 0 1 1 0 8 0 amappl13 176 26 0 24 1 0 1 1 0 8 0 amappl12 168 647 0 644 2 1 1 1 0 8 0 amappl11 160 698 0 678 2 1 1 2 0 8 0 amappl10 152 21 0 15 1 0 1 1 0 8 0 amappl9 144 283 0 283 1 1 0 1 0 8 0 amappl8 136 186 0 123 3 0 3 3 0 8 0 amappl7 128 245 0 238 1 0 1 1 0 8 0 amappl6 120 69 0 55 1 0 1 1 0 8 0 amappl5 112 2291 0 2273 1 0 1 1 0 8 0 amappl4 104 935 0 908 1 0 1 1 0 8 0 amappl3 96 138 0 126 1 0 1 1 0 8 0 amappl2 88 11186 0 11118 3 1 2 3 0 8 0 amappl1 80 50157 0 49684 27 15 12 21 0 8 1 amappl 88 3377 0 3291 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 10 0 0 1 0 1 1 0 8 0 uaddrrnd 24 1508 0 1492 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1508 0 1492 1 0 1 1 0 8 0 vmmpekpl 168 10937 0 10907 2 0 2 2 0 8 0 vmmpepl 168 192546 0 190688 107 17 90 102 0 357 4 vmsppl 368 1507 0 1492 2 0 2 2 0 8 0 rwobjpl 56 41469 0 40132 25 4 21 21 0 8 2 pdppl 4096 3023 0 2984 57 16 41 45 0 8 2 pvpl 32 585306 0 566933 164 1 163 163 0 265 12 pmappl 232 1507 0 1492 2 1 1 2 0 8 0 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 324 0 24 9 0 9 9 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace pf_addr_compare(0,ffff8000234cf300,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff8000234cf2e8,3,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000b18800,ffff8000234cf5b8) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff8000234cf5b8,ffff8000234cf5c4,29,0,ffff800000b18800) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000b18800,fffffd80677f5f00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(28ac,ffff8000234cf920,ffff8000234d0000,0) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff8000234cf700) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd80781e5138,ffff8000234cf920,1,fffffd807f7b7840) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd8066b64d30,ffff8000234cf920,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff80002123c2a0,3,ffff8000234cf920,0,ffff8000234cfa10) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_writev(ffff80002123c2a0,ffff8000234cf9c8,ffff8000234cfa10) at sys_writev+0xa7 sys/kern/sys_generic.c:312 syscall(ffff8000234cfa90) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000234cfa90) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1eb3b239b80, 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+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828b9d20) at __mp_lock+0x122 sys/kern/kern_lock.c:147 solock(fffffd806f6d0510) at solock+0x66 sys/kern/uipc_socket2.c:292 soreceive(fffffd806f6d0510,0,ffff800021206148,0,0,ffff800021206054) at soreceive+0xb8b sys/kern/uipc_socket.c:954 soo_read(fffffd80763fe000,ffff800021206148,0) at soo_read+0x53 sys/kern/sys_socket.c:70 dofilereadv(ffff8000211c3508,6,ffff800021206148,0,ffff800021206230) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237 sys_read(ffff8000211c3508,ffff8000212061e0,ffff800021206230) at sys_read+0x83 sys/kern/sys_generic.c:157 syscall(ffff8000212062b0) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000212062b0) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe1790, count: -11