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,ffff8000222bc8b0,18) at pf_addr_compare+0x47 sys/net/pf.c:333 end trace frame: 0xffff8000222bc870, count: 0 ddb{0}> trace pf_addr_compare(0,ffff8000222bc8b0,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff8000222bc898,3,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000b18000,ffff8000222bcb68) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff8000222bcb68,ffff8000222bcb74,29,0,ffff800000b18000) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000b18000,fffffd8069e2eb00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d01,ffff8000222bce58,ffff8000234d0000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff8000222bccb0) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806e85b408,ffff8000222bce58,11,fffffd807f7b7840) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd806d98cef8,ffff8000222bce58,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff800021278540,f0,ffff8000222bce58,0,ffff8000222bcf40) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff800021278540,ffff8000222bcef0,ffff8000222bcf40) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff8000222bcfc0) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000222bcfc0) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x974dea85df0, count: -13 ddb{0}> show registers rdi 0x18 rsi 0xffffffff8270a410 __sancov_gen_cov_switch_values.133 rbp 0xffff8000222bc770 rbx 0x18 rdx 0xffff800000ac5840 rcx 0x2 rax 0xffff800021278540 r8 0xffffffff819cefab pf_addr_compare+0x3b r9 0x1 r10 0x520c4a2cd803d3f0 r11 0xe081adb84e8d6413 r12 0x18 r13 0xffff8000000449c0 r14 0xffff8000222bc8b0 r15 0 rip 0xffffffff819cefb7 pf_addr_compare+0x47 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000222bc720 ss 0x10 pf_addr_compare+0x47: movl 0xc(%r15),%r12d ddb{0}> show proc PROC (syz-executor.1) pid=455278 stat=onproc flags process=0 proc=4000000 pri=66, usrpri=66, nice=20 forw=0xffffffffffffffff, list=0xffff800021279260,0xffffffff828c8868 process=0xffff8000212350f0 user=0xffff8000222b8000, vmspace=0xfffffd80084928a0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 97121 200210 31411 0 2 0 syz-executor.1 *97121 455278 31411 0 7 0x4000000 syz-executor.1 10880 274221 0 0 3 0x14200 acct acct 31411 270513 51629 0 3 0x82 nanoslp syz-executor.1 49205 154400 51629 0 3 0x82 nanoslp syz-executor.0 51629 288154 91042 0 3 0x82 thrsleep syz-fuzzer 51629 315266 91042 0 2 0x4000482 syz-fuzzer 51629 46043 91042 0 3 0x4000082 thrsleep syz-fuzzer 51629 59058 91042 0 3 0x4000082 thrsleep syz-fuzzer 51629 62597 91042 0 3 0x4000082 thrsleep syz-fuzzer 51629 175578 91042 0 3 0x4000082 thrsleep syz-fuzzer 51629 207419 91042 0 3 0x4000082 thrsleep syz-fuzzer 51629 337005 91042 0 3 0x4000082 kqread syz-fuzzer 91042 116230 2396 0 3 0x10008a sigsusp ksh 2396 127353 16879 0 3 0x92 select sshd 46473 349580 1 0 3 0x100083 ttyin getty 16879 188122 1 0 3 0x80 select sshd 6178 92840 94818 74 3 0x100092 bpf pflogd 94818 57864 1 0 3 0x80 netio pflogd 77976 377115 56939 73 3 0x100090 kqread syslogd 56939 303428 1 0 3 0x100082 netio syslogd 86222 442455 1 77 3 0x100090 poll dhclient 54338 503109 1 0 3 0x80 poll dhclient 26795 402040 0 0 3 0x14200 bored smr 94562 28472 0 0 2 0x14200 zerothread 53541 333425 0 0 3 0x14200 aiodoned aiodoned 7127 110140 0 0 3 0x14200 syncer update 96569 161225 0 0 3 0x14200 cleaner cleaner 18046 437756 0 0 7 0x14200 reaper 27461 449847 0 0 3 0x14200 pgdaemon pagedaemon 34608 175159 0 0 3 0x14200 bored crynlk 70433 468477 0 0 3 0x14200 bored crypto 82861 210626 0 0 3 0x14200 bored viomb 18792 11910 0 0 3 0x40014200 acpi0 acpi0 9555 97471 0 0 3 0x40014200 idle1 79575 478315 0 0 3 0x14200 bored softnet 79470 463096 0 0 3 0x14200 bored systqmp 43158 319536 0 0 3 0x14200 bored systq 95462 268052 0 0 3 0x40014200 bored softclock 72823 8373 0 0 3 0x40014200 idle0 1 82757 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 97121 (syz-executor.1) thread 0xffff800021278540 (455278) 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 9484 6416K 6805K 78643K 10803 0 pcb 13 8K 8K 78643K 29 0 rtable 105 3K 3K 78643K 226 0 ifaddr 44 10K 10K 78643K 47 0 counters 44 34K 34K 78643K 44 0 ioctlops 0 0K 4K 78643K 1482 0 iov 0 0K 12K 78643K 9 0 mount 1 1K 1K 78643K 1 0 vnodes 1220 77K 77K 78643K 1306 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 4 0K 0K 78643K 6 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 5 13K 25K 78643K 302 0 sigio 0 0K 0K 78643K 2 0 proc 61 63K 95K 78643K 457 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 14 0 in_multi 33 2K 2K 78643K 52 0 ether_multi 1 0K 0K 78643K 3 0 mrt 0 0K 0K 78643K 14 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 362 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 143 27K 27K 78643K 1463 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 4 0 NDP 6 0K 0K 78643K 12 0 temp 67 3972K 4036K 78643K 5019 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 23 0 21 1 0 1 1 0 8 0 rtentry 112 54 0 10 2 0 2 2 0 8 0 unpcb 120 73 0 63 1 0 1 1 0 8 0 syncache 296 4 0 4 1 1 0 1 0 8 0 tcpqe 32 119 0 119 2 2 0 1 0 8 0 tcpcb 736 33 0 25 2 0 2 2 0 8 0 inpcb 296 109 0 102 2 0 2 2 0 8 1 rttmr 72 7 0 7 1 0 1 1 0 8 1 nd6 48 8 0 2 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 22 0 0 1 0 1 1 0 8 0 pfstkey 112 22 0 0 1 0 1 1 0 8 0 pfstate 328 22 0 0 2 0 2 2 0 8 0 pfrule 1360 23 0 18 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 187 0 0 12 0 12 12 0 8 0 art_table 32 188 0 0 2 0 2 2 0 8 0 art_node 16 53 0 13 1 0 1 1 0 8 0 semapl 112 4 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1728 0 324 89 0 89 89 0 8 1 ffsino 272 1728 0 324 94 0 94 94 0 8 0 nchpl 144 2242 0 637 60 0 60 60 0 8 0 uvmvnodes 72 1844 0 0 34 0 34 34 0 8 0 vnodes 224 1844 0 0 109 0 109 109 0 8 0 namei 1024 5741 0 5741 1 0 1 1 0 8 1 percpumem 16 33 0 0 1 0 1 1 0 8 0 scxspl 216 6609 0 6609 9 1 8 8 0 8 8 plimitpl 152 23 0 15 1 0 1 1 0 8 0 sigapl 424 519 0 486 4 0 4 4 0 8 0 futexpl 56 1777 0 1777 1 0 1 1 0 8 1 knotepl 112 62 0 42 1 0 1 1 0 8 0 kqueuepl 168 213 0 211 1 0 1 1 0 8 0 pipepl 336 92 0 81 2 0 2 2 0 8 1 fdescpl 496 502 0 486 3 0 3 3 0 8 0 filepl 152 1914 0 1812 6 0 6 6 0 8 1 lockfpl 104 38 0 37 1 0 1 1 0 8 0 lockfspl 48 16 0 15 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 96 129 0 120 1 0 1 1 0 8 0 zombiepl 144 486 0 485 1 0 1 1 0 8 0 processpl 1080 519 0 485 3 0 3 3 0 8 0 procpl 672 888 0 846 4 0 4 4 0 8 0 sockpl 432 205 0 186 4 0 4 4 0 8 1 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl4k 4096 7 0 0 1 0 1 1 0 8 0 mcl2k 2048 261 0 0 32 0 32 32 0 8 0 mtagpl 96 19 0 0 1 0 1 1 0 8 0 mbufpl 256 315 0 0 19 0 19 19 0 8 0 bufpl 280 3650 0 181 248 0 248 248 0 8 0 anonpl 24 55470 0 38591 104 2 102 102 0 186 0 amapchunkpl 152 2302 0 1916 18 1 17 17 0 158 1 amappl16 200 1525 0 840 37 0 37 37 0 8 0 amappl15 192 2 0 0 1 0 1 1 0 8 0 amappl14 184 165 0 159 1 0 1 1 0 8 0 amappl13 176 26 0 24 1 0 1 1 0 8 0 amappl12 168 11 0 8 1 0 1 1 0 8 0 amappl11 160 59 0 42 1 0 1 1 0 8 0 amappl10 152 12 0 8 1 0 1 1 0 8 0 amappl9 144 430 0 427 1 0 1 1 0 8 0 amappl8 136 147 0 107 2 0 2 2 0 8 0 amappl7 128 380 0 370 1 0 1 1 0 8 0 amappl6 120 68 0 55 1 0 1 1 0 8 0 amappl5 112 504 0 486 1 0 1 1 0 8 0 amappl4 104 416 0 388 2 1 1 2 0 8 0 amappl3 96 124 0 115 1 0 1 1 0 8 0 amappl2 88 3237 0 3160 3 1 2 3 0 8 0 amappl1 80 23212 0 22709 26 13 13 21 0 8 1 amappl 88 1169 0 1084 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 24 502 0 486 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 502 0 486 1 0 1 1 0 8 0 vmmpekpl 168 7018 0 6990 2 0 2 2 0 8 0 vmmpepl 168 70146 0 68128 112 7 105 105 0 357 16 vmsppl 368 501 0 485 2 0 2 2 0 8 0 rwobjpl 56 16973 0 15542 26 5 21 21 0 8 0 pdppl 4096 1011 0 970 58 13 45 45 0 8 4 pvpl 32 244664 0 224765 164 0 164 164 0 265 0 pmappl 232 501 0 485 2 0 2 2 0 8 1 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 321 0 16 9 0 9 9 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace pf_addr_compare(0,ffff8000222bc8b0,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff8000222bc898,3,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000b18000,ffff8000222bcb68) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff8000222bcb68,ffff8000222bcb74,29,0,ffff800000b18000) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000b18000,fffffd8069e2eb00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d01,ffff8000222bce58,ffff8000234d0000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff8000222bccb0) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806e85b408,ffff8000222bce58,11,fffffd807f7b7840) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd806d98cef8,ffff8000222bce58,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff800021278540,f0,ffff8000222bce58,0,ffff8000222bcf40) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff800021278540,ffff8000222bcef0,ffff8000222bcf40) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff8000222bcfc0) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000222bcfc0) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x974dea85df0, 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 uvm_unmap_detach(ffff8000211c1bc0,1) at uvm_unmap_detach+0xfc sys/uvm/uvm_map.c:1586 uvm_map_teardown(fffffd8008492450) at uvm_map_teardown+0x262 sys/uvm/uvm_map.c:2762 uvmspace_free(fffffd8008492450) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3660 reaper(ffff8000211c3ce8) at reaper+0x189 sys/kern/kern_exit.c:460 end trace frame: 0x0, count: -8