uvm_fault(0xfffffd8008492a10, 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(0xfffffd8008492a10, 0xc, 0, 1) -> e pf_addr_compare(0,ffff800021ec6920,18) at pf_addr_compare+0x47 sys/net/pf.c:333 end trace frame: 0xffff800021ec68e0, count: 0 ddb{0}> trace pf_addr_compare(0,ffff800021ec6920,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff800021ec6908,3,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000ae5000,ffff800021ec6bd8) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff800021ec6bd8,ffff800021ec6be4,29,0,ffff800000ae5000) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000ae5000,fffffd806903c500) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d00,ffff800021ec6ec8,ffff8000212b2000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff800021ec6d20) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806f859168,ffff800021ec6ec8,11,fffffd807f7b79c0) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd8067c74e60,ffff800021ec6ec8,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff80002123ca80,f0,ffff800021ec6ec8,0,ffff800021ec6fb0) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff80002123ca80,ffff800021ec6f60,ffff800021ec6fb0) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff800021ec7030) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021ec7030) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x3a3b8b7c460, count: -13 ddb{0}> show registers rdi 0x18 rsi 0xffffffff8270a410 __sancov_gen_cov_switch_values.133 rbp 0xffff800021ec67e0 rbx 0x18 rdx 0xffff800000af8ec0 rcx 0x2 rax 0xffff80002123ca80 r8 0xffffffff819cefab pf_addr_compare+0x3b r9 0x1 r10 0x1556148760b04ca3 r11 0xc73030fca0ca5b77 r12 0x18 r13 0xffff800000044ac0 r14 0xffff800021ec6920 r15 0 rip 0xffffffff819cefb7 pf_addr_compare+0x47 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800021ec6790 ss 0x10 pf_addr_compare+0x47: movl 0xc(%r15),%r12d ddb{0}> show proc PROC (syz-executor.0) pid=309580 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=82, nice=20 forw=0xffffffffffffffff, list=0xffff80002123d7a0,0xffff80002123c7f0 process=0xffff800021234010 user=0xffff800021ec2000, vmspace=0xfffffd8008492a10 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 20094 95017 23539 0 7 0 syz-executor.1 20094 246107 23539 0 2 0x4000000 syz-executor.1 35810 323887 19346 0 2 0 syz-executor.0 *35810 309580 19346 0 7 0x4000000 syz-executor.0 23539 427330 83107 0 3 0x82 nanoslp syz-executor.1 19346 368494 83107 0 3 0x82 nanoslp syz-executor.0 83107 140305 13329 0 3 0x82 thrsleep syz-fuzzer 83107 150603 13329 0 3 0x4000082 nanoslp syz-fuzzer 83107 110078 13329 0 3 0x4000082 kqread syz-fuzzer 83107 238512 13329 0 3 0x4000082 thrsleep syz-fuzzer 83107 369589 13329 0 3 0x4000082 thrsleep syz-fuzzer 83107 268282 13329 0 3 0x4000082 thrsleep syz-fuzzer 83107 60646 13329 0 3 0x4000082 thrsleep syz-fuzzer 83107 476135 13329 0 3 0x4000082 thrsleep syz-fuzzer 83107 461678 13329 0 3 0x4000082 thrsleep syz-fuzzer 13329 517287 66983 0 3 0x10008a sigsusp ksh 66983 225106 88183 0 3 0x92 select sshd 98849 54142 1 0 3 0x100083 ttyin getty 88183 267371 1 0 3 0x80 select sshd 41932 513395 43988 74 3 0x100092 bpf pflogd 43988 313393 1 0 3 0x80 netio pflogd 5050 466097 56360 73 3 0x100090 kqread syslogd 56360 129702 1 0 3 0x100082 netio syslogd 58891 55221 1 77 3 0x100090 poll dhclient 61382 259210 1 0 3 0x80 poll dhclient 51180 104382 0 0 3 0x14200 bored smr 54246 353496 0 0 2 0x14200 zerothread 58405 498667 0 0 3 0x14200 aiodoned aiodoned 68327 66573 0 0 3 0x14200 syncer update 88408 445323 0 0 3 0x14200 cleaner cleaner 33474 164139 0 0 3 0x14200 reaper reaper 33812 473385 0 0 3 0x14200 pgdaemon pagedaemon 13348 396861 0 0 3 0x14200 bored crynlk 70389 255546 0 0 3 0x14200 bored crypto 99459 105688 0 0 3 0x14200 bored viomb 12246 93539 0 0 3 0x40014200 acpi0 acpi0 29682 222190 0 0 3 0x40014200 idle1 87792 394430 0 0 3 0x14200 bored softnet 90705 219164 0 0 3 0x14200 bored systqmp 94334 386735 0 0 3 0x14200 bored systq 34998 75755 0 0 3 0x40014200 bored softclock 42748 488190 0 0 3 0x40014200 idle0 1 54657 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 35810 (syz-executor.0) thread 0xffff80002123ca80 (309580) 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 9485 6416K 6440K 78643K 12914 0 pcb 13 8K 8K 78643K 236 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 1631 0 iov 0 0K 10K 78643K 631 0 mount 1 1K 1K 78643K 1 0 vnodes 1219 77K 77K 78643K 1994 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 143 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 651 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 6 17K 25K 78643K 22084 0 sigio 0 0K 0K 78643K 323 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 43 201K 201K 78643K 43 0 exec 0 0K 2K 78643K 716 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 129 23K 23K 78643K 48354 0 UVM aobj 131 4K 4K 78643K 131 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 6 0K 0K 78643K 10 0 temp 106 3981K 4045K 78643K 46321 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 19 0 17 1 0 1 1 0 8 0 rtentry 112 45 0 1 2 0 2 2 0 8 0 unpcb 120 16865 0 16855 1 0 1 1 0 8 0 syncache 296 4 0 4 1 1 0 1 0 8 0 tcpcb 736 56 0 52 3 2 1 3 0 8 0 inpcb 296 375 0 368 1 0 1 1 0 8 0 nd6 48 6 0 0 1 0 1 1 0 8 0 kcovpl 48 2 0 0 1 0 1 1 0 8 0 pffrag 232 4 0 0 1 0 1 1 0 482 0 pffrnode 88 2 0 0 1 0 1 1 0 8 0 pffrent 40 78 0 74 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 10 1 0 1 1 0 8 0 pfstkey 112 14 0 10 1 0 1 1 0 8 0 pfstate 328 14 0 10 2 0 2 2 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 256 188 0 0 12 0 12 12 0 8 0 art_table 32 189 0 0 2 0 2 2 0 8 0 art_node 16 44 0 4 1 0 1 1 0 8 0 semapl 112 649 0 639 1 0 1 1 0 8 0 shmpl 112 128 0 0 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 24690 0 23286 88 0 88 88 0 8 0 ffsino 272 24690 0 23286 94 0 94 94 0 8 0 nchpl 144 51572 0 49967 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 113812 0 113812 1 0 1 1 0 8 1 percpumem 16 33 0 0 1 0 1 1 0 8 0 scxspl 216 139117 0 139117 9 8 1 8 0 8 1 plimitpl 152 15 0 7 1 0 1 1 0 8 0 sigapl 424 22300 0 22267 4 0 4 4 0 8 0 futexpl 56 76477 0 76477 1 0 1 1 0 8 1 knotepl 112 62 0 42 1 0 1 1 0 8 0 kqueuepl 168 671 0 669 1 0 1 1 0 8 0 pipepl 336 1860 0 1849 28 27 1 2 0 8 0 fdescpl 496 22284 0 22267 3 0 3 3 0 8 0 filepl 152 58469 0 58367 5 0 5 5 0 8 0 lockfpl 104 2328 0 2327 1 0 1 1 0 8 0 lockfspl 48 1135 0 1134 1 0 1 1 0 8 0 sessionpl 144 18 0 7 1 0 1 1 0 8 0 pgrppl 48 194 0 183 1 0 1 1 0 8 0 ucredpl 96 5576 0 5567 1 0 1 1 0 8 0 zombiepl 144 22267 0 22267 1 0 1 1 0 8 1 processpl 1080 22300 0 22267 3 0 3 3 0 8 0 procpl 672 47778 0 47735 5 1 4 5 0 8 0 sockpl 432 17259 0 17240 14 11 3 4 0 8 0 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 17 0 0 3 0 3 3 0 8 0 mcl12k 12288 33 0 0 2 0 2 2 0 8 0 mcl9k 9216 26 0 0 2 0 2 2 0 8 0 mcl8k 8192 25 0 0 4 1 3 3 0 8 0 mcl4k 4096 33 0 0 4 1 3 3 0 8 0 mcl2k2 2112 16 0 0 2 0 2 2 0 8 0 mcl2k 2048 108 0 0 10 0 10 10 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 835 0 0 13 0 13 13 0 8 0 bufpl 280 25393 0 19144 447 0 447 447 0 8 0 anonpl 24 1468341 0 1463307 67 35 32 50 0 186 0 amapchunkpl 152 80160 0 79998 24 17 7 16 0 158 0 amappl16 200 66841 0 66682 12 3 9 9 0 8 0 amappl15 192 5 0 1 1 0 1 1 0 8 0 amappl14 184 23 0 19 1 0 1 1 0 8 0 amappl13 176 10978 0 10974 1 0 1 1 0 8 0 amappl12 168 3 0 3 1 1 0 1 0 8 0 amappl11 160 58 0 41 1 0 1 1 0 8 0 amappl10 152 19 0 11 1 0 1 1 0 8 0 amappl9 144 286 0 286 1 1 0 1 0 8 0 amappl8 136 22553 0 22477 3 0 3 3 0 8 0 amappl7 128 249 0 238 1 0 1 1 0 8 0 amappl6 120 66 0 54 1 0 1 1 0 8 0 amappl5 112 12100 0 12082 1 0 1 1 0 8 0 amappl4 104 397 0 371 1 0 1 1 0 8 0 amappl3 96 23243 0 23231 1 0 1 1 0 8 0 amappl2 88 178711 0 178635 3 1 2 3 0 8 0 amappl1 80 596450 0 595952 26 14 12 21 0 8 0 amappl 88 48063 0 48013 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 64 130 0 0 3 0 3 3 0 8 0 uaddrrnd 24 22284 0 22267 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 22284 0 22267 1 0 1 1 0 8 0 vmmpekpl 168 91913 0 91885 2 0 2 2 0 8 0 vmmpepl 168 2689647 0 2688140 134 67 67 77 0 357 1 vmsppl 368 22283 0 22267 2 0 2 2 0 8 0 rwobjpl 56 554133 0 553231 38 25 13 19 0 8 0 pdppl 4096 44575 0 44534 57 16 41 45 0 8 0 pvpl 32 4623913 0 4615676 191 123 68 117 0 265 0 pmappl 232 22283 0 22267 2 1 1 2 0 8 0 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 331 0 50 9 0 9 9 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace pf_addr_compare(0,ffff800021ec6920,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff800021ec6908,3,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000ae5000,ffff800021ec6bd8) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff800021ec6bd8,ffff800021ec6be4,29,0,ffff800000ae5000) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000ae5000,fffffd806903c500) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d00,ffff800021ec6ec8,ffff8000212b2000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff800021ec6d20) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806f859168,ffff800021ec6ec8,11,fffffd807f7b79c0) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd8067c74e60,ffff800021ec6ec8,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff80002123ca80,f0,ffff800021ec6ec8,0,ffff800021ec6fb0) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff80002123ca80,ffff800021ec6f60,ffff800021ec6fb0) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff800021ec7030) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021ec7030) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x3a3b8b7c460, 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 end of kernel end trace frame: 0x7f7fffff7190, count: -3