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,ffff8000244dcf10,18) at pf_addr_compare+0x47 sys/net/pf.c:333 end trace frame: 0xffff8000244dced0, count: 0 ddb{0}> trace pf_addr_compare(0,ffff8000244dcf10,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff8000244dcef8,8,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000b15000,ffff8000244dd1c8) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff8000244dd1c8,ffff8000244dd1d4,29,0,ffff800000b15000) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000b15000,fffffd806f219c00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d01,ffff8000244dd4b8,ffff8000234d2000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff8000244dd310) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806e261408,ffff8000244dd4b8,11,fffffd807f7b7600) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd806888bc78,ffff8000244dd4b8,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff8000212722a8,f0,ffff8000244dd4b8,0,ffff8000244dd5a0) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff8000212722a8,ffff8000244dd550,ffff8000244dd5a0) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff8000244dd620) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000244dd620) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5aaeefa94a0, count: -13 ddb{0}> show registers rdi 0x18 rsi 0xffffffff8270a410 __sancov_gen_cov_switch_values.133 rbp 0xffff8000244dcdd0 rbx 0x18 rdx 0xffff800000ac6d40 rcx 0x2 rax 0xffff8000212722a8 r8 0xffffffff819cefab pf_addr_compare+0x3b r9 0x1 r10 0x34fbe10fa3dafbf5 r11 0x801a9dd63f6cc5e1 r12 0x18 r13 0xffff800000044880 r14 0xffff8000244dcf10 r15 0 rip 0xffffffff819cefb7 pf_addr_compare+0x47 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000244dcd80 ss 0x10 pf_addr_compare+0x47: movl 0xc(%r15),%r12d ddb{0}> show proc PROC (syz-executor.1) pid=259686 stat=onproc flags process=0 proc=4000000 pri=66, usrpri=66, nice=20 forw=0xffffffffffffffff, list=0xffff800021272d28,0xffff800021272a98 process=0xffff800021234448 user=0xffff8000244d8000, 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 23623 239601 58197 0 2 0 syz-executor.0 23623 393641 58197 0 2 0x4000000 syz-executor.0 99403 317244 93110 0 7 0 syz-executor.1 *99403 259686 93110 0 7 0x4000000 syz-executor.1 93110 378877 22849 0 3 0x82 nanoslp syz-executor.1 58197 288572 22849 0 3 0x82 nanoslp syz-executor.0 22849 310976 14868 0 3 0x82 thrsleep syz-fuzzer 22849 219693 14868 0 3 0x4000082 nanoslp syz-fuzzer 22849 166872 14868 0 3 0x4000082 thrsleep syz-fuzzer 22849 149160 14868 0 3 0x4000082 thrsleep syz-fuzzer 22849 4161 14868 0 3 0x4000082 thrsleep syz-fuzzer 22849 377768 14868 0 3 0x4000082 thrsleep syz-fuzzer 22849 508190 14868 0 3 0x4000082 kqread syz-fuzzer 22849 94743 14868 0 3 0x4000082 thrsleep syz-fuzzer 14868 303833 51258 0 3 0x10008a sigsusp ksh 51258 145856 80605 0 3 0x92 select sshd 61489 455906 1 0 3 0x100083 ttyin getty 80605 110829 1 0 3 0x80 select sshd 42213 50920 42886 74 3 0x100092 bpf pflogd 42886 386334 1 0 3 0x80 netio pflogd 27489 302566 62375 73 3 0x100090 kqread syslogd 62375 273552 1 0 3 0x100082 netio syslogd 96610 322946 1 77 3 0x100090 poll dhclient 83651 243187 1 0 3 0x80 poll dhclient 91858 377588 0 0 3 0x14200 bored smr 28523 118097 0 0 2 0x14200 zerothread 29769 302502 0 0 3 0x14200 aiodoned aiodoned 57321 413765 0 0 3 0x14200 syncer update 43721 404267 0 0 3 0x14200 cleaner cleaner 97871 98073 0 0 3 0x14200 reaper reaper 19668 455867 0 0 3 0x14200 pgdaemon pagedaemon 96434 25622 0 0 3 0x14200 bored crynlk 69199 516554 0 0 3 0x14200 bored crypto 86777 67591 0 0 3 0x14200 bored viomb 4739 234279 0 0 3 0x40014200 acpi0 acpi0 77389 177280 0 0 3 0x40014200 idle1 4606 187762 0 0 3 0x14200 bored softnet 88594 144071 0 0 3 0x14200 bored systqmp 79503 375485 0 0 3 0x14200 bored systq 52510 57860 0 0 3 0x40014200 bored softclock 24712 503638 0 0 3 0x40014200 idle0 1 227381 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 99403 (syz-executor.1) thread 0xffff8000212722a8 (259686) 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 9483 6416K 6425K 78643K 10742 0 pcb 13 8K 8K 78643K 17 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 iov 0 0K 8K 78643K 5 0 mount 1 1K 1K 78643K 1 0 vnodes 1218 77K 77K 78643K 1383 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 6 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 40 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 6 17K 25K 78643K 652 0 sigio 0 0K 0K 78643K 2 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 31 148K 148K 78643K 31 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 201 32K 32K 78643K 2274 0 UVM aobj 7 2K 2K 78643K 7 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 6 0K 0K 78643K 10 0 temp 78 3974K 4038K 78643K 3529 0 kqueue 4 5K 11K 78643K 31 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 120 143 0 133 1 0 1 1 0 8 0 syncache 296 4 0 4 1 1 0 1 0 8 0 tcpqe 32 1265 0 1265 4 4 0 4 0 8 0 tcpcb 736 12 0 8 1 0 1 1 0 8 0 inpcb 296 65 0 58 2 0 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 pfstitem 24 14 0 5 1 0 1 1 0 8 0 pfstkey 112 14 0 5 1 0 1 1 0 8 0 pfstate 328 14 0 5 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 256 189 0 0 12 0 12 12 0 8 0 art_table 32 190 0 0 2 0 2 2 0 8 0 art_node 16 44 0 4 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 0 1 0 1 1 0 8 0 semapl 112 38 0 28 1 0 1 1 0 8 0 shmpl 112 4 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2137 0 733 88 0 88 88 0 8 0 ffsino 272 2137 0 733 95 1 94 94 0 8 0 nchpl 144 3146 0 1541 60 0 60 60 0 8 0 uvmvnodes 72 2341 0 0 43 0 43 43 0 8 0 vnodes 224 2341 0 0 138 0 138 138 0 8 0 namei 1024 8013 0 8013 2 1 1 1 0 8 1 percpumem 16 33 0 0 1 0 1 1 0 8 0 scxspl 216 9069 0 9069 10 9 1 8 0 8 1 plimitpl 152 17 0 9 1 0 1 1 0 8 0 sigapl 424 868 0 835 4 0 4 4 0 8 0 futexpl 56 1750 0 1750 1 0 1 1 0 8 1 knotepl 112 87 0 67 1 0 1 1 0 8 0 kqueuepl 168 48 0 42 1 0 1 1 0 8 0 pipepl 336 130 0 119 2 0 2 2 0 8 1 fdescpl 496 852 0 835 3 0 3 3 0 8 0 filepl 152 2353 0 2251 6 1 5 5 0 8 0 lockfpl 104 25 0 24 1 0 1 1 0 8 0 lockfspl 48 10 0 9 1 0 1 1 0 8 0 sessionpl 144 18 0 7 1 0 1 1 0 8 0 pgrppl 48 50 0 39 1 0 1 1 0 8 0 ucredpl 96 66 0 57 1 0 1 1 0 8 0 zombiepl 144 835 0 835 2 1 1 1 0 8 1 processpl 1080 868 0 835 3 0 3 3 0 8 0 procpl 672 1561 0 1519 5 1 4 4 0 8 0 sockpl 432 227 0 208 4 0 4 4 0 8 1 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 1 0 0 1 0 1 1 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 643 0 0 80 0 80 80 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 651 0 0 41 0 41 41 0 8 0 bufpl 280 3998 0 180 273 0 273 273 0 8 0 anonpl 24 82992 0 57366 157 2 155 155 0 186 0 amapchunkpl 152 3718 0 2995 31 2 29 30 0 158 0 amappl16 200 2770 0 1880 48 0 48 48 0 8 1 amappl15 192 2 0 1 1 0 1 1 0 8 0 amappl14 184 336 0 330 1 0 1 1 0 8 0 amappl13 176 27 0 24 1 0 1 1 0 8 0 amappl12 168 327 0 323 2 1 1 1 0 8 0 amappl11 160 64 0 45 2 1 1 2 0 8 0 amappl10 152 14 0 10 1 0 1 1 0 8 0 amappl9 144 286 0 285 2 1 1 1 0 8 0 amappl8 136 194 0 130 3 0 3 3 0 8 0 amappl7 128 243 0 237 1 0 1 1 0 8 0 amappl6 120 70 0 58 1 0 1 1 0 8 0 amappl5 112 373 0 356 1 0 1 1 0 8 0 amappl4 104 901 0 871 1 0 1 1 0 8 0 amappl3 96 124 0 117 1 0 1 1 0 8 0 amappl2 88 6547 0 6467 3 1 2 3 0 8 0 amappl1 80 31262 0 30762 30 19 11 21 0 8 0 amappl 88 1894 0 1766 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 6 0 0 1 0 1 1 0 8 0 uaddrrnd 24 852 0 835 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 852 0 835 1 0 1 1 0 8 0 vmmpekpl 168 7973 0 7944 2 0 2 2 0 8 0 vmmpepl 168 112607 0 110294 142 29 113 132 0 357 12 vmsppl 368 851 0 835 2 0 2 2 0 8 0 rwobjpl 56 24126 0 22434 33 8 25 26 0 8 0 pdppl 4096 1711 0 1670 65 24 41 45 0 8 0 pvpl 32 279307 0 250552 241 2 239 239 0 265 7 pmappl 232 851 0 835 2 1 1 2 0 8 0 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 400 0 29 11 0 11 11 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace pf_addr_compare(0,ffff8000244dcf10,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff8000244dcef8,8,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000b15000,ffff8000244dd1c8) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff8000244dd1c8,ffff8000244dd1d4,29,0,ffff800000b15000) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000b15000,fffffd806f219c00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d01,ffff8000244dd4b8,ffff8000234d2000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff8000244dd310) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806e261408,ffff8000244dd4b8,11,fffffd807f7b7600) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd806888bc78,ffff8000244dd4b8,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff8000212722a8,f0,ffff8000244dd4b8,0,ffff8000244dd5a0) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff8000212722a8,ffff8000244dd550,ffff8000244dd5a0) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff8000244dd620) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000244dd620) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5aaeefa94a0, 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 pvclock_get_timecount(ffffffff826bfff8) at pvclock_get_timecount+0x28 sys/dev/pv/pvclock.c:213 nanouptime(ffff8000234d1838) at nanouptime+0x69 tc_delta sys/kern/kern_tc.c:132 [inline] nanouptime(ffff8000234d1838) at nanouptime+0x69 binuptime sys/kern/kern_tc.c:186 [inline] nanouptime(ffff8000234d1838) at nanouptime+0x69 sys/kern/kern_tc.c:196 clock_gettime(ffff800021272008,3,ffff8000234d1838) at clock_gettime+0x88 sys/kern/kern_time.c:123 sys_clock_gettime(ffff800021272008,ffff8000234d18a0,ffff8000234d18f0) at sys_clock_gettime+0x4c sys/kern/kern_time.c:165 syscall(ffff8000234d1970) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000234d1970) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc77c0, count: -9