uvm_fault(0xfffffd8064c36010, 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(0xfffffd8064c36010, 0xc, 0, 1) -> e pf_addr_compare(0,ffff80002436d190,18) at pf_addr_compare+0x47 sys/net/pf.c:333 end trace frame: 0xffff80002436d150, count: 0 ddb{1}> trace pf_addr_compare(0,ffff80002436d190,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff80002436d178,3,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000b46800,ffff80002436d448) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff80002436d448,ffff80002436d454,29,0,ffff800000b46800) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000b46800,fffffd806c8bbc00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d00,ffff80002436d738,ffff800021cb6000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff80002436d590) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806e7f6088,ffff80002436d738,11,fffffd807f7b7540) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd80686fbc00,ffff80002436d738,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff8000222c5270,f0,ffff80002436d738,0,ffff80002436d820) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff8000222c5270,ffff80002436d7d0,ffff80002436d820) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff80002436d8a0) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002436d8a0) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x580807ecca0, count: -13 ddb{1}> show registers rdi 0x18 rsi 0xffffffff8270a410 __sancov_gen_cov_switch_values.133 rbp 0xffff80002436d050 rbx 0x18 rdx 0xffff800000b60700 rcx 0x2 rax 0xffff8000222c5270 r8 0xffffffff819cefab pf_addr_compare+0x3b r9 0x1 r10 0x7cd09431fbb1af39 r11 0x671cb416cbfea950 r12 0x18 r13 0xffff8000000449c0 r14 0xffff80002436d190 r15 0 rip 0xffffffff819cefb7 pf_addr_compare+0x47 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002436d000 ss 0x10 pf_addr_compare+0x47: movl 0xc(%r15),%r12d ddb{1}> show proc PROC (syz-executor.0) pid=270373 stat=onproc flags process=10 proc=4000000 pri=32, usrpri=81, nice=20 forw=0xffffffffffffffff, list=0xffff8000222c4010,0xffffffff828c8868 process=0xffff8000244e0018 user=0xffff800024368000, vmspace=0xfffffd8064c36010 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 30059 328465 13045 0 7 0x10 syz-executor.0 *30059 270373 13045 0 7 0x4000010 syz-executor.0 13045 353260 49954 0 3 0x82 nanoslp syz-executor.0 99832 113309 49954 0 3 0x82 nanoslp syz-executor.1 41695 405974 0 0 3 0x14280 nfsidl nfsio 62031 330966 0 0 3 0x14280 nfsidl nfsio 47326 116986 0 0 3 0x14280 nfsidl nfsio 7377 404327 0 0 3 0x14280 nfsidl nfsio 72403 59906 0 0 3 0x14280 nfsidl nfsio 48350 282685 0 0 3 0x14280 nfsidl nfsio 37195 482315 0 0 3 0x14280 nfsidl nfsio 99059 318460 0 0 3 0x14280 nfsidl nfsio 77602 25561 0 0 3 0x14280 nfsidl nfsio 57527 262479 0 0 3 0x14280 nfsidl nfsio 22072 10807 0 0 3 0x14280 nfsidl nfsio 83537 98938 0 0 3 0x14280 nfsidl nfsio 15186 383874 0 0 3 0x14280 nfsidl nfsio 18675 490946 0 0 3 0x14280 nfsidl nfsio 95995 248882 0 0 3 0x14280 nfsidl nfsio 95754 355740 0 0 3 0x14280 nfsidl nfsio 27615 206825 0 0 3 0x14280 nfsidl nfsio 59994 147902 0 0 3 0x14280 nfsidl nfsio 43810 134997 0 0 3 0x14280 nfsidl nfsio 50386 188095 0 0 3 0x14280 nfsidl nfsio 85674 149880 0 0 3 0x14200 bored sosplice 49954 39805 74358 0 3 0x82 thrsleep syz-fuzzer 49954 289951 74358 0 3 0x4000082 nanoslp syz-fuzzer 49954 232872 74358 0 3 0x4000082 thrsleep syz-fuzzer 49954 518125 74358 0 3 0x4000082 kqread syz-fuzzer 49954 477547 74358 0 3 0x4000082 thrsleep syz-fuzzer 49954 486803 74358 0 3 0x4000082 thrsleep syz-fuzzer 49954 389397 74358 0 3 0x4000082 thrsleep syz-fuzzer 49954 84449 74358 0 3 0x4000082 thrsleep syz-fuzzer 74358 161123 17427 0 3 0x10008a sigsusp ksh 17427 45882 41568 0 3 0x92 select sshd 7173 251930 1 0 3 0x100083 ttyin getty 41568 367291 1 0 3 0x80 select sshd 60482 269044 60560 74 3 0x100092 bpf pflogd 60560 505765 1 0 3 0x80 netio pflogd 58595 17936 11181 73 3 0x100090 kqread syslogd 11181 223943 1 0 3 0x100082 netio syslogd 85877 2468 1 77 3 0x100090 poll dhclient 69310 175321 1 0 3 0x80 poll dhclient 50513 457200 0 0 3 0x14200 bored smr 79568 314808 0 0 3 0x14200 pgzero zerothread 18219 493510 0 0 3 0x14200 aiodoned aiodoned 56571 490601 0 0 3 0x14200 syncer update 81766 100022 0 0 3 0x14200 cleaner cleaner 44380 172678 0 0 3 0x14200 reaper reaper 52061 73426 0 0 3 0x14200 pgdaemon pagedaemon 71408 40593 0 0 3 0x14200 bored crynlk 6032 45545 0 0 3 0x14200 bored crypto 17272 353010 0 0 3 0x14200 bored viomb 40858 166451 0 0 3 0x40014200 acpi0 acpi0 76354 233637 0 0 3 0x40014200 idle1 92372 17800 0 0 3 0x14200 bored softnet 96543 191834 0 0 3 0x14200 bored systqmp 34182 28609 0 0 3 0x14200 bored systq 75920 505947 0 0 3 0x40014200 bored softclock 58940 363721 0 0 3 0x40014200 idle0 1 259993 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 30059 (syz-executor.0) thread 0xffff8000222c5270 (270373) 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 9540 6560K 7202K 78643K 15396 0 pcb 13 8K 8K 78643K 222 0 rtable 105 4K 5K 78643K 634 0 ifaddr 75 15K 16K 78643K 187 0 sysctl 2 0K 0K 78643K 2 0 counters 44 34K 34K 78643K 88 0 ioctlops 0 0K 4K 78643K 1623 0 iov 0 0K 32K 78643K 128 0 mount 1 1K 1K 78643K 1 0 vnodes 1228 77K 77K 78643K 2798 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 55 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 116 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 5 13K 25K 78643K 5267 0 sigio 0 0K 0K 78643K 25 0 proc 63 63K 95K 78643K 948 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 311 0 in_multi 33 2K 2K 78643K 269 0 ether_multi 1 0K 0K 78643K 48 0 mrt 0 0K 0K 78643K 9 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 621 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 200 143K 146K 78643K 13053 0 UVM aobj 114 8K 8K 78643K 118 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 203 0 NDP 12 0K 0K 78643K 46 0 temp 130 3982K 4067K 78643K 37707 0 kqueue 3 4K 12K 78643K 188 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 15 0 10 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 120 137 0 135 1 0 1 1 0 8 0 rtentry 112 102 0 61 2 0 2 2 0 8 0 unpcb 120 1054 0 1037 3 2 1 2 0 8 0 syncache 296 30 0 30 6 5 1 1 0 8 1 tcpqe 32 62 0 62 3 3 0 1 0 8 0 tcpcb 736 854 0 845 16 14 2 5 0 8 1 inpcb 296 1837 0 1830 7 5 2 3 0 8 1 rttmr 72 1 0 1 1 0 1 1 0 8 1 nd6 48 18 0 12 1 0 1 1 0 8 0 pkpcb 40 23 0 23 4 3 1 1 0 8 1 kcovpl 48 6 0 4 1 0 1 1 0 8 0 ppxss 1128 6 0 6 2 1 1 1 0 8 1 pffrag 232 5 0 5 1 1 0 1 0 482 0 pffrnode 88 5 0 5 1 1 0 1 0 8 0 pffrent 40 240 0 240 3 3 0 1 0 8 0 pfosfp 40 1432 0 1008 5 0 5 5 0 8 0 pfosfpen 112 1432 0 717 21 0 21 21 0 8 0 pfrktable 1344 11 0 10 1 0 1 1 0 8 0 pfstitem 24 70 0 61 1 0 1 1 0 8 0 pfstkey 112 70 0 61 1 0 1 1 0 8 0 pfstate 328 70 0 61 3 2 1 3 0 8 0 pfrule 1360 69 0 54 3 1 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 377 0 183 13 0 13 13 0 8 0 art_table 32 378 0 183 2 0 2 2 0 8 0 art_node 16 98 0 61 1 0 1 1 0 8 0 sysvmsgpl 40 11 0 11 1 1 0 1 0 8 0 semupl 112 9 0 9 1 1 0 1 0 8 0 semapl 112 112 0 102 1 0 1 1 0 8 0 shmpl 112 115 0 4 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 7501 0 6091 90 1 89 89 0 8 0 ffsino 272 7501 0 6091 95 0 95 95 0 8 0 nchpl 144 13496 0 11902 60 0 60 60 0 8 0 uvmvnodes 72 5926 0 0 108 0 108 108 0 8 0 vnodes 224 5926 0 0 349 0 349 349 0 8 0 namei 1024 34531 0 34531 2 1 1 1 0 8 1 percpumem 16 55 0 22 1 0 1 1 0 8 0 vcpupl 1984 8 0 0 1 0 1 1 0 8 0 vmpool 560 13 0 5 1 0 1 1 0 8 0 scsiplug 72 9 0 9 2 2 0 1 0 8 0 scxspl 216 40675 0 40675 13 12 1 8 0 8 1 plimitpl 152 322 0 314 1 0 1 1 0 8 0 sigapl 424 5492 0 5439 8 1 7 7 0 8 0 futexpl 56 31714 0 31714 2 1 1 1 0 8 1 knotepl 112 328 0 308 1 0 1 1 0 8 0 kqueuepl 168 2286 0 2270 1 0 1 1 0 8 0 pipepl 336 287 0 276 3 1 2 2 0 8 0 fdescpl 496 5455 0 5439 3 0 3 3 0 8 0 filepl 152 16990 0 16884 9 4 5 6 0 8 0 lockfpl 104 467 0 466 1 0 1 1 0 8 0 lockfspl 48 179 0 178 1 0 1 1 0 8 0 sessionpl 144 22 0 11 1 0 1 1 0 8 0 pgrppl 48 50 0 39 1 0 1 1 0 8 0 ucredpl 96 2395 0 2385 1 0 1 1 0 8 0 zombiepl 144 5439 0 5438 1 0 1 1 0 8 0 processpl 1080 5492 0 5438 4 0 4 4 0 8 0 procpl 672 12012 0 11950 6 0 6 6 0 8 0 sosppl 168 66 0 66 5 4 1 1 0 8 1 sockpl 432 3051 0 3025 13 8 5 6 0 8 1 mcl64k 65536 12 0 0 2 0 2 2 0 8 0 mcl12k 12288 6 0 0 1 0 1 1 0 8 0 mcl9k 9216 15 0 0 2 0 2 2 0 8 0 mcl8k 8192 9 0 0 2 0 2 2 0 8 0 mcl4k 4096 9 0 0 2 0 2 2 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 277 0 0 24 5 19 24 0 8 0 mtagpl 96 197 0 0 4 0 4 4 0 8 0 mbufpl 256 640 0 0 29 0 29 29 0 8 0 bufpl 280 10077 0 3828 447 0 447 447 0 8 0 anonpl 24 443711 0 427667 151 42 109 121 0 186 10 amapchunkpl 152 21424 0 21017 30 13 17 20 0 158 0 amappl16 200 19281 0 18675 71 37 34 45 0 8 2 amappl15 192 142 0 140 1 0 1 1 0 8 0 amappl14 184 25 0 19 1 0 1 1 0 8 0 amappl13 176 1518 0 1516 1 0 1 1 0 8 0 amappl12 168 7 0 5 2 1 1 1 0 8 0 amappl11 160 2045 0 2025 1 0 1 1 0 8 0 amappl10 152 26 0 19 1 0 1 1 0 8 0 amappl9 144 1915 0 1914 1 0 1 1 0 8 0 amappl8 136 253 0 173 3 0 3 3 0 8 0 amappl7 128 1920 0 1912 1 0 1 1 0 8 0 amappl6 120 90 0 75 1 0 1 1 0 8 0 amappl5 112 7077 0 7058 1 0 1 1 0 8 0 amappl4 104 810 0 783 1 0 1 1 0 8 0 amappl3 96 1675 0 1667 1 0 1 1 0 8 0 amappl2 88 42527 0 42457 3 1 2 3 0 8 0 amappl1 80 159534 0 159063 26 14 12 21 0 8 0 amappl 88 12394 0 12299 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 64 117 0 4 2 0 2 2 0 8 0 uaddrrnd 24 5468 0 5444 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 5468 0 5444 1 0 1 1 0 8 0 vmmpekpl 168 27019 0 26982 2 0 2 2 0 8 0 vmmpepl 168 689603 0 687696 173 82 91 105 0 357 3 vmsppl 368 5467 0 5444 3 0 3 3 0 8 0 rwobjpl 56 145434 0 144065 34 13 21 23 0 8 1 pdppl 4096 10943 0 10896 70 21 49 51 0 8 2 pvpl 32 2045610 0 2026999 253 80 173 188 0 265 20 pmappl 232 5467 0 5444 3 1 2 2 0 8 0 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 361 0 46 10 0 10 10 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: 0x7f7ffffe0bf0, count: -6 ddb{0}> machine ddbcpu 1 Stopped at pf_addr_compare+0x47: movl 0xc(%r15),%r12d ddb{1}> trace pf_addr_compare(0,ffff80002436d190,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff80002436d178,3,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000b46800,ffff80002436d448) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff80002436d448,ffff80002436d454,29,0,ffff800000b46800) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000b46800,fffffd806c8bbc00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d00,ffff80002436d738,ffff800021cb6000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff80002436d590) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806e7f6088,ffff80002436d738,11,fffffd807f7b7540) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd80686fbc00,ffff80002436d738,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff8000222c5270,f0,ffff80002436d738,0,ffff80002436d820) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff8000222c5270,ffff80002436d7d0,ffff80002436d820) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff80002436d8a0) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002436d8a0) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x580807ecca0, count: -13