login: uvm_fault(0xfffffd8008492a10, 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(0xfffffd8008492a10, 0xc, 0, 1) -> e pf_addr_compare(0,ffff8000244db010,18) at pf_addr_compare+0x47 sys/net/pf.c:333 end trace frame: 0xffff8000244dafd0, count: 0 ddb{1}> trace pf_addr_compare(0,ffff8000244db010,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff8000244daff8,3,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000ae5000,ffff8000244db2c8) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff8000244db2c8,ffff8000244db2d4,29,0,ffff800000ae5000) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000ae5000,fffffd806c92ac00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d00,ffff8000244db5b8,ffff8000212ac000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff8000244db410) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806e652088,ffff8000244db5b8,11,fffffd807f7b7b40) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd8067efcc00,ffff8000244db5b8,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff8000212aafc8,f0,ffff8000244db5b8,0,ffff8000244db6a0) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff8000212aafc8,ffff8000244db650,ffff8000244db6a0) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff8000244db720) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000244db720) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5373c7d58f0, count: -13 ddb{1}> show registers rdi 0x18 rsi 0xffffffff8270a410 __sancov_gen_cov_switch_values.133 rbp 0xffff8000244daed0 rbx 0x18 rdx 0xffff800000afa9c0 rcx 0x2 rax 0xffff8000212aafc8 r8 0xffffffff819cefab pf_addr_compare+0x3b r9 0x1 r10 0xf9f71dd52f5b3dbb r11 0x18380681be80eb3f r12 0x18 r13 0xffff800000044ac0 r14 0xffff8000244db010 r15 0 rip 0xffffffff819cefb7 pf_addr_compare+0x47 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000244dae80 ss 0x10 pf_addr_compare+0x47: movl 0xc(%r15),%r12d ddb{1}> show proc PROC (syz-executor.0) pid=416095 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=53, nice=20 forw=0xffffffffffffffff, list=0xffff8000212ab508,0xffffffff828c8868 process=0xffff800021234cb8 user=0xffff8000244d6000, vmspace=0xfffffd8008492a10 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 14665 91720 15656 0 7 0 syz-executor.0 *14665 416095 15656 0 7 0x4000000 syz-executor.0 11233 396948 59620 0 3 0x82 nanoslp syz-executor.1 15656 168549 59620 0 3 0x82 nanoslp syz-executor.0 59620 294495 38715 0 3 0x82 thrsleep syz-fuzzer 59620 46057 38715 0 3 0x4000082 thrsleep syz-fuzzer 59620 224651 38715 0 3 0x4000082 thrsleep syz-fuzzer 59620 211539 38715 0 3 0x4000082 thrsleep syz-fuzzer 59620 52585 38715 0 3 0x4000082 kqread syz-fuzzer 59620 506076 38715 0 3 0x4000082 thrsleep syz-fuzzer 59620 70458 38715 0 3 0x4000082 thrsleep syz-fuzzer 59620 11641 38715 0 3 0x4000082 thrsleep syz-fuzzer 38715 518098 15014 0 3 0x10008a sigsusp ksh 15014 87937 90777 0 3 0x92 select sshd 46839 73190 1 0 3 0x100083 ttyin getty 90777 265140 1 0 3 0x80 select sshd 43648 230931 55655 74 3 0x100092 bpf pflogd 55655 348509 1 0 3 0x80 netio pflogd 70808 58997 90704 73 3 0x100090 kqread syslogd 90704 154004 1 0 3 0x100082 netio syslogd 75897 494706 1 77 3 0x100090 poll dhclient 71875 488408 1 0 3 0x80 poll dhclient 76956 271785 0 0 3 0x14200 bored smr 35552 65120 0 0 3 0x14200 pgzero zerothread 19141 122168 0 0 3 0x14200 aiodoned aiodoned 32111 325311 0 0 3 0x14200 syncer update 41935 47713 0 0 3 0x14200 cleaner cleaner 77619 250601 0 0 3 0x14200 reaper reaper 80861 117612 0 0 3 0x14200 pgdaemon pagedaemon 42952 491948 0 0 3 0x14200 bored crynlk 38796 354829 0 0 3 0x14200 bored crypto 44451 463462 0 0 3 0x14200 bored viomb 10758 32899 0 0 3 0x40014200 acpi0 acpi0 63519 481946 0 0 3 0x40014200 idle1 6963 524206 0 0 3 0x14200 bored softnet 32016 72716 0 0 3 0x14200 bored systqmp 33807 313372 0 0 3 0x14200 bored systq 15871 83986 0 0 3 0x40014200 bored softclock 38725 381269 0 0 3 0x40014200 idle0 1 284819 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 14665 (syz-executor.0) thread 0xffff8000212aafc8 (416095) 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 9497 6484K 6998K 78643K 10777 0 pcb 13 8K 8K 78643K 20 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 2 0 mount 1 1K 1K 78643K 1 0 vnodes 1220 77K 77K 78643K 1303 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 9 1K 1K 78643K 23 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 5 13K 25K 78643K 119 0 proc 60 63K 95K 78643K 448 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 383 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 26K 27K 78643K 1027 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 70 3971K 4035K 78643K 2254 0 kqueue 3 4K 4K 78643K 3 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 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 91 0 81 1 0 1 1 0 8 0 syncache 296 4 0 4 1 1 0 1 0 8 0 tcpqe 32 1653 0 1653 1 0 1 1 0 8 1 tcpcb 736 10 0 6 1 0 1 1 0 8 0 inpcb 296 49 0 42 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 12 0 0 1 0 1 1 0 8 0 pfstkey 112 12 0 0 1 0 1 1 0 8 0 pfstate 328 12 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 256 187 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 44 0 4 1 0 1 1 0 8 0 semupl 112 6 0 6 1 0 1 1 0 8 1 semapl 112 7 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1561 0 158 88 0 88 88 0 8 0 ffsino 272 1561 0 158 95 1 94 94 0 8 0 nchpl 144 1864 0 259 60 0 60 60 0 8 0 uvmvnodes 72 1646 0 0 30 0 30 30 0 8 0 vnodes 224 1646 0 0 97 0 97 97 0 8 0 namei 1024 4816 0 4816 2 1 1 1 0 8 1 percpumem 16 33 0 0 1 0 1 1 0 8 0 scxspl 216 5402 0 5402 9 1 8 8 0 8 8 plimitpl 152 15 0 7 1 0 1 1 0 8 0 sigapl 424 335 0 303 4 0 4 4 0 8 0 futexpl 56 683 0 683 1 0 1 1 0 8 1 knotepl 112 62 0 42 1 0 1 1 0 8 0 kqueuepl 168 17 0 15 1 0 1 1 0 8 0 pipepl 336 76 0 65 1 0 1 1 0 8 0 fdescpl 496 319 0 303 3 0 3 3 0 8 0 filepl 152 1372 0 1269 6 1 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 96 105 0 96 1 0 1 1 0 8 0 zombiepl 144 303 0 302 2 1 1 1 0 8 0 processpl 1080 335 0 302 3 0 3 3 0 8 0 procpl 672 473 0 432 5 1 4 4 0 8 0 sockpl 432 159 0 140 3 0 3 3 0 8 0 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 7 0 0 1 0 1 1 0 8 0 mcl2k 2048 321 0 0 40 0 40 40 0 8 0 mtagpl 96 24 0 0 1 0 1 1 0 8 0 mbufpl 256 323 0 0 20 0 20 20 0 8 0 bufpl 280 3424 0 181 232 0 232 232 0 8 0 anonpl 24 42900 0 27716 94 1 93 93 0 186 1 amapchunkpl 152 1724 0 1357 18 1 17 17 0 158 2 amappl16 200 956 0 358 32 0 32 32 0 8 0 amappl15 192 2 0 1 2 1 1 1 0 8 0 amappl14 184 25 0 20 1 0 1 1 0 8 0 amappl13 176 73 0 68 1 0 1 1 0 8 0 amappl12 168 59 0 55 1 0 1 1 0 8 0 amappl11 160 65 0 47 1 0 1 1 0 8 0 amappl10 152 18 0 13 1 0 1 1 0 8 0 amappl9 144 284 0 283 2 1 1 1 0 8 0 amappl8 136 180 0 127 3 0 3 3 0 8 0 amappl7 128 243 0 236 1 0 1 1 0 8 0 amappl6 120 68 0 55 1 0 1 1 0 8 0 amappl5 112 424 0 406 1 0 1 1 0 8 0 amappl4 104 318 0 296 1 0 1 1 0 8 0 amappl3 96 171 0 163 1 0 1 1 0 8 0 amappl2 88 1708 0 1639 3 1 2 3 0 8 0 amappl1 80 18109 0 17630 26 13 13 21 0 8 1 amappl 88 759 0 676 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 24 319 0 303 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 319 0 303 1 0 1 1 0 8 0 vmmpekpl 168 6347 0 6317 2 0 2 2 0 8 0 vmmpepl 168 47107 0 45263 114 9 105 105 0 357 19 vmsppl 368 318 0 303 2 0 2 2 0 8 0 rwobjpl 56 12211 0 10878 28 7 21 21 0 8 1 pdppl 4096 645 0 606 61 16 45 45 0 8 6 pvpl 32 158311 0 140077 154 2 152 152 0 265 3 pmappl 232 318 0 303 2 0 2 2 0 8 1 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 333 0 21 9 0 9 9 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: 0x7f7fffff7d80, count: -6 ddb{0}> machine ddbcpu 1 Stopped at pf_addr_compare+0x47: movl 0xc(%r15),%r12d ddb{1}> trace pf_addr_compare(0,ffff8000244db010,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff8000244daff8,3,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000ae5000,ffff8000244db2c8) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff8000244db2c8,ffff8000244db2d4,29,0,ffff800000ae5000) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000ae5000,fffffd806c92ac00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d00,ffff8000244db5b8,ffff8000212ac000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff8000244db410) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806e652088,ffff8000244db5b8,11,fffffd807f7b7b40) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd8067efcc00,ffff8000244db5b8,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff8000212aafc8,f0,ffff8000244db5b8,0,ffff8000244db6a0) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff8000212aafc8,ffff8000244db650,ffff8000244db6a0) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff8000244db720) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000244db720) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5373c7d58f0, count: -13