login: uvm_fault(0xfffffd8008492450, 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(0xfffffd8008492450, 0xc, 0, 1) -> e pf_addr_compare(0,ffff8000222da920,18) at pf_addr_compare+0x47 sys/net/pf.c:333 end trace frame: 0xffff8000222da8e0, count: 0 ddb{0}> trace pf_addr_compare(0,ffff8000222da920,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff8000222da908,3,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000b17000,ffff8000222dabd8) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff8000222dabd8,ffff8000222dabe4,29,0,ffff800000b17000) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000b17000,fffffd806a1cff00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d01,ffff8000222daec8,ffff8000234ca000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff8000222dad20) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806e2bb248,ffff8000222daec8,11,fffffd807f7b79c0) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd806cb60e50,ffff8000222daec8,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff80002123c7e0,f0,ffff8000222daec8,0,ffff8000222dafb0) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff80002123c7e0,ffff8000222daf60,ffff8000222dafb0) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff8000222db030) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000222db030) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x433345989a0, count: -13 ddb{0}> show registers rdi 0x18 rsi 0xffffffff8270a410 __sancov_gen_cov_switch_values.133 rbp 0xffff8000222da7e0 rbx 0x18 rdx 0xffff800000ac6640 rcx 0x2 rax 0xffff80002123c7e0 r8 0xffffffff819cefab pf_addr_compare+0x3b r9 0x1 r10 0x34f8f16cdf7ce837 r11 0xb1eb424cee4d1f07 r12 0x18 r13 0xffff8000000449c0 r14 0xffff8000222da920 r15 0 rip 0xffffffff819cefb7 pf_addr_compare+0x47 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000222da790 ss 0x10 pf_addr_compare+0x47: movl 0xc(%r15),%r12d ddb{0}> show proc PROC (syz-executor.1) pid=246147 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff80002123c2a0,0xffffffff828c8868 process=0xffff800021234448 user=0xffff8000222d6000, vmspace=0xfffffd8008492450 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 56166 79822 76058 0 2 0 syz-executor.1 *56166 246147 76058 0 7 0x4000000 syz-executor.1 76058 83373 73575 0 3 0x82 nanoslp syz-executor.1 83759 337864 73575 0 3 0x82 nanoslp syz-executor.0 73575 84856 74514 0 3 0x82 thrsleep syz-fuzzer 73575 274122 74514 0 3 0x4000082 thrsleep syz-fuzzer 73575 357413 74514 0 3 0x4000082 thrsleep syz-fuzzer 73575 183055 74514 0 3 0x4000082 kqread syz-fuzzer 73575 47041 74514 0 3 0x4000082 thrsleep syz-fuzzer 73575 479397 74514 0 3 0x4000082 thrsleep syz-fuzzer 73575 75130 74514 0 3 0x4000082 thrsleep syz-fuzzer 73575 234837 74514 0 3 0x4000082 thrsleep syz-fuzzer 74514 444865 40220 0 3 0x10008a sigsusp ksh 40220 300702 66144 0 3 0x92 select sshd 39635 8366 1 0 3 0x100083 ttyin getty 66144 438429 1 0 3 0x80 select sshd 81546 17492 92480 74 3 0x100092 bpf pflogd 92480 457278 1 0 3 0x80 netio pflogd 9760 338643 37770 73 3 0x100090 kqread syslogd 37770 262362 1 0 3 0x100082 netio syslogd 7032 452989 1 77 3 0x100090 poll dhclient 17059 197065 1 0 3 0x80 poll dhclient 10915 68296 0 0 3 0x14200 bored smr 37745 497486 0 0 3 0x14200 pgzero zerothread 49013 415039 0 0 3 0x14200 aiodoned aiodoned 167 390162 0 0 3 0x14200 syncer update 1886 244791 0 0 3 0x14200 cleaner cleaner 50774 238238 0 0 3 0x14200 reaper reaper 92927 414357 0 0 3 0x14200 pgdaemon pagedaemon 75966 309711 0 0 3 0x14200 bored crynlk 4020 366956 0 0 3 0x14200 bored crypto 14019 342716 0 0 3 0x14200 bored viomb 5917 322490 0 0 3 0x40014200 acpi0 acpi0 34080 416856 0 0 3 0x40014200 idle1 81731 399559 0 0 7 0x14200 softnet 78999 174558 0 0 3 0x14200 bored systqmp 54243 494938 0 0 3 0x14200 bored systq 70346 246504 0 0 2 0x40014200 softclock 54582 409276 0 0 3 0x40014200 idle0 1 490691 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 56166 (syz-executor.1) thread 0xffff80002123c7e0 (246147) 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 Process 81731 (softnet) thread 0xffff8000211782a0 (399559) shared rwlock softnet r = 0 (0xffff80000002c070) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1176 #1 taskq_thread+0xcb sys/kern/kern_task.c:445 #2 proc_trampoline+0x1c ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9489 6419K 6742K 78643K 10640 0 pcb 13 8K 8K 78643K 13 0 rtable 105 3K 3K 78643K 201 0 ifaddr 49 11K 11K 78643K 50 0 counters 44 34K 34K 78643K 44 0 ioctlops 0 0K 4K 78643K 1469 0 iov 0 0K 2K 78643K 8 0 mount 1 1K 1K 78643K 1 0 vnodes 1219 77K 77K 78643K 1250 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 18 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 5 13K 25K 78643K 83 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 ip_moptions 0 0K 0K 78643K 8 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 19 95K 95K 78643K 19 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 138 26K 27K 78643K 918 0 UVM aobj 3 2K 2K 78643K 3 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 7 0K 0K 78643K 11 0 temp 71 3972K 4036K 78643K 2162 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 27 0 25 1 0 1 1 0 8 0 rtentry 112 45 0 1 2 0 2 2 0 8 0 unpcb 120 30 0 20 1 0 1 1 0 8 0 syncache 296 4 0 4 1 1 0 1 0 8 0 tcpqe 32 506 0 506 2 1 1 1 0 8 1 tcpcb 736 18 0 13 2 0 2 2 0 8 1 inpcb 296 47 0 39 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 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 11 0 0 1 0 1 1 0 8 0 pfstkey 112 11 0 0 1 0 1 1 0 8 0 pfstate 328 11 0 0 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 semapl 112 16 0 6 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1497 0 92 88 0 88 88 0 8 0 ffsino 272 1497 0 92 95 1 94 94 0 8 0 nchpl 144 1767 0 162 60 0 60 60 0 8 0 uvmvnodes 72 1556 0 0 29 0 29 29 0 8 0 vnodes 224 1556 0 0 92 0 92 92 0 8 0 namei 1024 4520 0 4520 1 0 1 1 0 8 1 percpumem 16 33 0 0 1 0 1 1 0 8 0 scxspl 216 4989 0 4989 2 1 1 2 0 8 1 plimitpl 152 15 0 7 1 0 1 1 0 8 0 sigapl 424 299 0 267 4 0 4 4 0 8 0 futexpl 56 334 0 334 1 0 1 1 0 8 1 knotepl 112 62 0 42 1 0 1 1 0 8 0 kqueuepl 168 7 0 5 1 0 1 1 0 8 0 pipepl 336 76 0 65 1 0 1 1 0 8 0 fdescpl 496 283 0 267 3 0 3 3 0 8 0 filepl 152 1197 0 1095 5 0 5 5 0 8 1 lockfpl 104 5 0 4 1 0 1 1 0 8 0 lockfspl 48 3 0 2 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 54 0 45 1 0 1 1 0 8 0 zombiepl 144 267 0 266 2 1 1 1 0 8 0 processpl 1080 299 0 266 3 0 3 3 0 8 0 procpl 672 366 0 325 4 0 4 4 0 8 0 sockpl 432 104 0 84 3 0 3 3 0 8 0 mcl64k 65536 11 0 0 2 0 2 2 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 197 0 0 24 0 24 24 0 8 0 mtagpl 96 8 0 0 1 0 1 1 0 8 0 mbufpl 256 231 0 0 14 0 14 14 0 8 0 bufpl 280 3389 0 181 230 0 230 230 0 8 0 anonpl 24 39445 0 25847 85 2 83 83 0 186 0 amapchunkpl 152 1437 0 1082 17 1 16 16 0 158 1 amappl16 200 771 0 259 28 0 28 28 0 8 0 amappl15 192 1 0 0 1 0 1 1 0 8 0 amappl14 184 25 0 19 1 0 1 1 0 8 0 amappl13 176 26 0 24 1 0 1 1 0 8 0 amappl12 168 69 0 65 1 0 1 1 0 8 0 amappl11 160 55 0 37 1 0 1 1 0 8 0 amappl10 152 15 0 8 1 0 1 1 0 8 0 amappl9 144 286 0 286 1 1 0 1 0 8 0 amappl8 136 143 0 103 2 0 2 2 0 8 0 amappl7 128 244 0 236 1 0 1 1 0 8 0 amappl6 120 65 0 54 1 0 1 1 0 8 0 amappl5 112 395 0 379 1 0 1 1 0 8 0 amappl4 104 330 0 303 1 0 1 1 0 8 0 amappl3 96 125 0 115 1 0 1 1 0 8 0 amappl2 88 1399 0 1327 3 1 2 3 0 8 0 amappl1 80 17164 0 16681 27 10 17 21 0 8 5 amappl 88 648 0 568 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 24 283 0 267 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 283 0 267 1 0 1 1 0 8 0 vmmpekpl 168 6258 0 6234 3 1 2 2 0 8 0 vmmpepl 168 42320 0 40570 100 6 94 94 0 357 13 vmsppl 368 282 0 267 2 0 2 2 0 8 0 rwobjpl 56 11006 0 9766 26 6 20 20 0 8 2 pdppl 4096 573 0 534 58 13 45 45 0 8 6 pvpl 32 148448 0 131798 139 0 139 139 0 265 3 pmappl 232 282 0 267 2 0 2 2 0 8 1 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 310 0 17 9 0 9 9 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace pf_addr_compare(0,ffff8000222da920,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff8000222da908,3,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000b17000,ffff8000222dabd8) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff8000222dabd8,ffff8000222dabe4,29,0,ffff800000b17000) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000b17000,fffffd806a1cff00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d01,ffff8000222daec8,ffff8000234ca000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff8000222dad20) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806e2bb248,ffff8000222daec8,11,fffffd807f7b79c0) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd806cb60e50,ffff8000222daec8,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff80002123c7e0,f0,ffff8000222daec8,0,ffff8000222dafb0) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff80002123c7e0,ffff8000222daf60,ffff8000222dafb0) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff8000222db030) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000222db030) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x433345989a0, 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 pf_purge(ffffffff82910c88) at pf_purge+0x1b sys/net/pf.c:1258 taskq_thread(ffff80000002c000) at taskq_thread+0xe6 sys/kern/kern_task.c:449 end trace frame: 0x0, count: -6