uvm_fault(0xfffffd8008492000, 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(0xfffffd8008492000, 0xc, 0, 1) -> e pf_addr_compare(0,ffff8000222c3820,18) at pf_addr_compare+0x47 sys/net/pf.c:333 end trace frame: 0xffff8000222c37e0, count: 0 ddb{1}> trace pf_addr_compare(0,ffff8000222c3820,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff8000222c3808,8,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000ae5000,ffff8000222c3ad8) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff8000222c3ad8,ffff8000222c3ae4,29,0,ffff800000ae5000) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000ae5000,fffffd8067bb0600) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d00,ffff8000222c3dc8,ffff8000222ea000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff8000222c3c20) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806e934088,ffff8000222c3dc8,11,fffffd807f7b78a0) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd8068df7310,ffff8000222c3dc8,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff80002127b7a0,f0,ffff8000222c3dc8,0,ffff8000222c3eb0) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff80002127b7a0,ffff8000222c3e60,ffff8000222c3eb0) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff8000222c3f30) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000222c3f30) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5ee01854f40, count: -13 ddb{1}> show registers rdi 0x18 rsi 0xffffffff8270a410 __sancov_gen_cov_switch_values.133 rbp 0xffff8000222c36e0 rbx 0x18 rdx 0xffff800000ac5480 rcx 0x2 rax 0xffff80002127b7a0 r8 0xffffffff819cefab pf_addr_compare+0x3b r9 0x1 r10 0x3d94d29db2ebaee3 r11 0x83bf652044b02c20 r12 0x18 r13 0xffff800000044ac0 r14 0xffff8000222c3820 r15 0 rip 0xffffffff819cefb7 pf_addr_compare+0x47 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000222c3690 ss 0x10 pf_addr_compare+0x47: movl 0xc(%r15),%r12d ddb{1}> show proc PROC (syz-executor.0) pid=89396 stat=onproc flags process=0 proc=4000000 pri=69, usrpri=69, nice=20 forw=0xffffffffffffffff, list=0xffff80002127a540,0xffffffff828c8868 process=0xffff800021234cb8 user=0xffff8000222be000, vmspace=0xfffffd8008492000 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 74441 365210 65519 0 7 0 syz-executor.0 *74441 89396 65519 0 7 0x4000000 syz-executor.0 65519 405396 8698 0 3 0x82 nanoslp syz-executor.0 74594 514232 0 0 3 0x14200 bored sosplice 87293 306638 8698 0 2 0x2 syz-executor.1 8698 336669 70245 0 3 0x82 thrsleep syz-fuzzer 8698 165753 70245 0 3 0x4000082 nanoslp syz-fuzzer 8698 297585 70245 0 3 0x4000082 nanoslp syz-fuzzer 8698 523754 70245 0 3 0x4000082 thrsleep syz-fuzzer 8698 479415 70245 0 3 0x4000082 thrsleep syz-fuzzer 8698 335789 70245 0 3 0x4000082 thrsleep syz-fuzzer 8698 213604 70245 0 3 0x4000082 thrsleep syz-fuzzer 8698 475042 70245 0 3 0x4000082 kqread syz-fuzzer 70245 455936 85260 0 3 0x10008a sigsusp ksh 85260 175519 83326 0 3 0x92 select sshd 96240 445600 1 0 3 0x100083 ttyin getty 83326 95711 1 0 3 0x80 select sshd 88757 23033 6868 74 3 0x100092 bpf pflogd 6868 290970 1 0 3 0x80 netio pflogd 96685 184985 72953 73 3 0x100090 kqread syslogd 72953 104765 1 0 3 0x100082 netio syslogd 41332 240419 1 77 3 0x100090 poll dhclient 41500 513068 1 0 3 0x80 poll dhclient 57475 520905 0 0 3 0x14200 bored smr 75732 477788 0 0 2 0x14200 zerothread 71671 226702 0 0 3 0x14200 aiodoned aiodoned 73360 136293 0 0 3 0x14200 syncer update 46851 15428 0 0 3 0x14200 cleaner cleaner 78457 408608 0 0 3 0x14200 reaper reaper 77325 502648 0 0 3 0x14200 pgdaemon pagedaemon 94031 519230 0 0 3 0x14200 bored crynlk 47621 329833 0 0 3 0x14200 bored crypto 61696 521540 0 0 3 0x14200 bored viomb 31927 500769 0 0 3 0x40014200 acpi0 acpi0 91435 449784 0 0 3 0x40014200 idle1 67459 466996 0 0 3 0x14200 bored softnet 56245 435872 0 0 3 0x14200 bored systqmp 39755 94899 0 0 3 0x14200 bored systq 38422 180271 0 0 3 0x40014200 bored softclock 31662 161310 0 0 3 0x40014200 idle0 1 269906 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 74441 (syz-executor.0) thread 0xffff80002127b7a0 (89396) 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 9505 6433K 7205K 78643K 11523 0 pcb 13 8K 8K 78643K 85 0 rtable 110 4K 5K 78643K 417 0 ifaddr 54 12K 12K 78643K 120 0 sysctl 2 0K 0K 78643K 2 0 counters 44 34K 34K 78643K 72 0 ioctlops 0 0K 4K 78643K 1513 0 iov 0 0K 16K 78643K 50 0 mount 1 1K 1K 78643K 1 0 vnodes 1218 77K 77K 78643K 1561 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 12 0K 0K 78643K 67 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 5 13K 25K 78643K 1019 0 proc 61 63K 95K 78643K 529 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 48 0 in_multi 33 2K 2K 78643K 99 0 ether_multi 1 0K 0K 78643K 25 0 mrt 0 0K 0K 78643K 35 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 43 201K 201K 78643K 43 0 exec 0 0K 2K 78643K 445 0 pfkey data 0 0K 0K 78643K 4 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 149 27K 27K 78643K 3107 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 33 0 NDP 8 0K 0K 78643K 30 0 temp 90 3977K 4051K 78643K 19009 0 kqueue 3 4K 8K 78643K 23 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 11 0 5 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 120 46 0 44 1 0 1 1 0 8 0 rtentry 112 82 0 38 2 0 2 2 0 8 0 unpcb 120 230 0 220 1 0 1 1 0 8 0 syncache 296 4 0 4 1 1 0 1 0 8 0 tcpqe 32 258 0 258 1 1 0 1 0 8 0 tcpcb 736 142 0 138 2 0 2 2 0 8 1 inpcb 296 421 0 414 2 1 1 2 0 8 0 rttmr 72 14 0 14 2 2 0 1 0 8 0 nd6 48 12 0 6 1 0 1 1 0 8 0 pkpcb 40 10 0 10 2 2 0 1 0 8 0 kcovpl 48 4 0 2 1 0 1 1 0 8 0 ppxss 1128 4 0 4 1 1 0 1 0 8 0 pfstscr 40 14 0 14 1 1 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 3 0 1 1 0 1 1 0 8 0 pfstitem 24 26 0 7 1 0 1 1 0 8 0 pfstkey 112 38 0 19 1 0 1 1 0 8 0 pfstate 328 31 0 12 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 256 279 0 88 12 0 12 12 0 8 0 art_table 32 280 0 88 2 0 2 2 0 8 0 art_node 16 81 0 41 1 0 1 1 0 8 0 semupl 112 8 0 8 1 1 0 1 0 8 0 semapl 112 65 0 55 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2591 0 1191 88 0 88 88 0 8 0 ffsino 272 2591 0 1191 94 0 94 94 0 8 0 nchpl 144 3932 0 2341 60 0 60 60 0 8 0 uvmvnodes 72 2911 0 0 53 0 53 53 0 8 0 vnodes 224 2911 0 0 172 0 172 172 0 8 0 namei 1024 9893 0 9893 1 0 1 1 0 8 1 percpumem 16 47 0 14 1 0 1 1 0 8 0 pfiaddrpl 120 5 0 0 1 0 1 1 0 8 0 scsiplug 72 4 0 4 1 1 0 1 0 8 0 scxspl 216 11381 0 11381 9 8 1 8 0 8 1 plimitpl 152 52 0 44 1 0 1 1 0 8 0 sigapl 424 1230 0 1197 4 0 4 4 0 8 0 futexpl 56 6073 0 6073 1 0 1 1 0 8 1 knotepl 112 108 0 88 1 0 1 1 0 8 0 kqueuepl 168 383 0 381 1 0 1 1 0 8 0 pipepl 336 125 0 114 2 0 2 2 0 8 1 fdescpl 496 1213 0 1197 3 0 3 3 0 8 0 filepl 152 4043 0 3941 5 0 5 5 0 8 0 lockfpl 104 103 0 102 1 0 1 1 0 8 0 lockfspl 48 37 0 36 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 96 357 0 348 1 0 1 1 0 8 0 zombiepl 144 1197 0 1197 1 0 1 1 0 8 1 processpl 1080 1230 0 1197 3 0 3 3 0 8 0 procpl 672 2418 0 2377 5 1 4 5 0 8 0 sosppl 168 17 0 17 2 1 1 1 0 8 1 sockpl 432 707 0 688 5 1 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 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 7 0 0 1 0 1 1 0 8 0 mcl4k 4096 6 0 0 1 0 1 1 0 8 0 mcl2k 2048 213 0 0 26 0 26 26 0 8 0 mtagpl 96 61 0 0 2 0 2 2 0 8 0 mbufpl 256 354 0 0 21 0 21 21 0 8 0 bufpl 280 4490 0 181 308 0 308 308 0 8 0 anonpl 24 99309 0 86405 80 1 79 79 0 186 1 amapchunkpl 152 4837 0 4546 16 2 14 14 0 158 0 amappl16 200 3403 0 2869 30 1 29 29 0 8 0 amappl15 192 301 0 299 1 0 1 1 0 8 0 amappl14 184 509 0 505 1 0 1 1 0 8 0 amappl13 176 38 0 36 1 0 1 1 0 8 0 amappl12 168 4 0 3 2 1 1 1 0 8 0 amappl11 160 247 0 228 1 0 1 1 0 8 0 amappl10 152 19 0 15 1 0 1 1 0 8 0 amappl9 144 283 0 283 1 1 0 1 0 8 0 amappl8 136 213 0 155 3 0 3 3 0 8 0 amappl7 128 269 0 262 1 0 1 1 0 8 0 amappl6 120 78 0 67 1 0 1 1 0 8 0 amappl5 112 1381 0 1362 1 0 1 1 0 8 0 amappl4 104 460 0 429 1 0 1 1 0 8 0 amappl3 96 144 0 135 1 0 1 1 0 8 0 amappl2 88 9178 0 9106 3 1 2 3 0 8 0 amappl1 80 43029 0 42559 27 16 11 21 0 8 0 amappl 88 2749 0 2673 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 1213 0 1197 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1213 0 1197 1 0 1 1 0 8 0 vmmpekpl 168 9528 0 9499 2 0 2 2 0 8 0 vmmpepl 168 156462 0 154689 108 14 94 96 0 357 15 vmsppl 368 1212 0 1197 2 0 2 2 0 8 0 rwobjpl 56 34540 0 33285 24 5 19 19 0 8 0 pdppl 4096 2433 0 2394 57 16 41 45 0 8 2 pvpl 32 460443 0 444464 133 0 133 133 0 265 4 pmappl 232 1212 0 1197 2 1 1 2 0 8 0 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 317 0 19 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 __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 softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x1f end of kernel end trace frame: 0x7f7fffffae60, count: -6 ddb{0}> machine ddbcpu 1 Stopped at pf_addr_compare+0x47: movl 0xc(%r15),%r12d ddb{1}> trace pf_addr_compare(0,ffff8000222c3820,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff8000222c3808,8,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000ae5000,ffff8000222c3ad8) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff8000222c3ad8,ffff8000222c3ae4,29,0,ffff800000ae5000) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000ae5000,fffffd8067bb0600) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d00,ffff8000222c3dc8,ffff8000222ea000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff8000222c3c20) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806e934088,ffff8000222c3dc8,11,fffffd807f7b78a0) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd8068df7310,ffff8000222c3dc8,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff80002127b7a0,f0,ffff8000222c3dc8,0,ffff8000222c3eb0) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff80002127b7a0,ffff8000222c3e60,ffff8000222c3eb0) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff8000222c3f30) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000222c3f30) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5ee01854f40, count: -13