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,ffff8000222d34a0,18) at pf_addr_compare+0x47 sys/net/pf.c:333 end trace frame: 0xffff8000222d3460, count: 0 ddb{0}> trace pf_addr_compare(0,ffff8000222d34a0,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff8000222d3488,3,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000ae5000,ffff8000222d3758) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff8000222d3758,ffff8000222d3764,29,0,ffff800000ae5000) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000ae5000,fffffd806d660500) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d00,ffff8000222d3a48,ffff8000212b8000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff8000222d38a0) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd8079b64168,ffff8000222d3a48,11,fffffd807f7b7600) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd80672e8c00,ffff8000222d3a48,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff80002123cd28,f0,ffff8000222d3a48,0,ffff8000222d3b30) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff80002123cd28,ffff8000222d3ae0,ffff8000222d3b30) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff8000222d3bb0) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000222d3bb0) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x70fcf2f4e60, count: -13 ddb{0}> show registers rdi 0x18 rsi 0xffffffff8270a410 __sancov_gen_cov_switch_values.133 rbp 0xffff8000222d3360 rbx 0x18 rdx 0xffff800000afa740 rcx 0x2 rax 0xffff80002123cd28 r8 0xffffffff819cefab pf_addr_compare+0x3b r9 0x1 r10 0xabf3dcf2467e2f86 r11 0x2d021e65085a8dce r12 0x18 r13 0xffff8000000449c0 r14 0xffff8000222d34a0 r15 0 rip 0xffffffff819cefb7 pf_addr_compare+0x47 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000222d3310 ss 0x10 pf_addr_compare+0x47: movl 0xc(%r15),%r12d ddb{0}> show proc PROC (syz-executor.0) pid=65908 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=71, nice=20 forw=0xffffffffffffffff, list=0xffff80002123c7e8,0xffffffff828c8868 process=0xffff800021235960 user=0xffff8000222ce000, vmspace=0xfffffd80084925c0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 60493 70248 49536 0 2 0 syz-executor.0 *60493 65908 49536 0 7 0x4000000 syz-executor.0 58302 519426 43469 0 2 0 syz-executor.1 58302 163848 43469 0 3 0x4000080 fsleep syz-executor.1 43469 305496 99769 0 3 0x82 nanoslp syz-executor.1 49536 124346 99769 0 3 0x82 nanoslp syz-executor.0 99769 35879 15087 0 3 0x82 thrsleep syz-fuzzer 99769 32066 15087 0 2 0x4000482 syz-fuzzer 99769 289987 15087 0 3 0x4000082 thrsleep syz-fuzzer 99769 164858 15087 0 3 0x4000082 thrsleep syz-fuzzer 99769 75643 15087 0 3 0x4000082 thrsleep syz-fuzzer 99769 250183 15087 0 3 0x4000082 thrsleep syz-fuzzer 99769 425507 15087 0 3 0x4000082 kqread syz-fuzzer 99769 211831 15087 0 3 0x4000082 thrsleep syz-fuzzer 15087 363923 5962 0 3 0x10008a sigsusp ksh 5962 39178 24516 0 3 0x92 select sshd 51108 190236 1 0 3 0x100083 ttyin getty 24516 379994 1 0 3 0x80 select sshd 47449 450859 64682 74 3 0x100092 bpf pflogd 64682 468613 1 0 3 0x80 netio pflogd 67047 245055 26492 73 7 0x100090 syslogd 26492 298815 1 0 3 0x100082 netio syslogd 87626 442572 1 77 3 0x100090 poll dhclient 19982 414724 1 0 3 0x80 poll dhclient 41454 461498 0 0 3 0x14200 bored smr 34181 314279 0 0 2 0x14200 zerothread 92872 5010 0 0 3 0x14200 aiodoned aiodoned 14539 322179 0 0 3 0x14200 syncer update 26725 250023 0 0 3 0x14200 cleaner cleaner 79723 371771 0 0 3 0x14200 reaper reaper 8890 296203 0 0 3 0x14200 pgdaemon pagedaemon 45452 210715 0 0 3 0x14200 bored crynlk 48760 375624 0 0 3 0x14200 bored crypto 71631 164087 0 0 3 0x14200 bored viomb 21109 161270 0 0 3 0x40014200 acpi0 acpi0 16408 275139 0 0 3 0x40014200 idle1 96478 413657 0 0 3 0x14200 bored softnet 90345 461912 0 0 3 0x14200 bored systqmp 37730 346704 0 0 3 0x14200 bored systq 89290 363804 0 0 2 0x40014200 softclock 76830 500681 0 0 3 0x40014200 idle0 1 452389 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 60493 (syz-executor.0) thread 0xffff80002123cd28 (65908) 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 9481 6416K 6424K 78643K 10573 0 pcb 13 8K 8K 78643K 13 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 0K 78643K 38 0 mount 1 1K 1K 78643K 1 0 vnodes 1217 77K 77K 78643K 1222 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 2 0K 0K 78643K 2 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 6 17K 25K 78643K 661 0 proc 59 63K 83K 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 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 166 28K 28K 78643K 2152 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 6 0K 0K 78643K 10 0 temp 66 3971K 4035K 78643K 3294 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 25 0 15 1 0 1 1 0 8 0 syncache 296 4 0 4 1 1 0 1 0 8 0 tcpqe 32 208 0 208 1 1 0 1 0 8 0 tcpcb 736 10 0 6 1 0 1 1 0 8 0 inpcb 296 39 0 32 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 3 1 0 1 1 0 8 0 pfstkey 112 12 0 3 1 0 1 1 0 8 0 pfstate 328 12 0 3 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 256 188 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 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2052 0 648 88 0 88 88 0 8 0 ffsino 272 2052 0 648 95 1 94 94 0 8 0 nchpl 144 2899 0 1294 60 0 60 60 0 8 0 uvmvnodes 72 2096 0 0 39 0 39 39 0 8 0 vnodes 224 2096 0 0 124 0 124 124 0 8 0 namei 1024 6782 0 6782 2 1 1 1 0 8 1 percpumem 16 33 0 0 1 0 1 1 0 8 0 scxspl 216 8647 0 8647 9 8 1 8 0 8 1 plimitpl 152 15 0 7 1 0 1 1 0 8 0 sigapl 424 877 0 844 4 0 4 4 0 8 0 futexpl 56 3518 0 3517 1 0 1 1 0 8 0 knotepl 112 62 0 42 1 0 1 1 0 8 0 kqueuepl 168 617 0 613 1 0 1 1 0 8 0 pipepl 336 93 0 82 2 1 1 2 0 8 0 fdescpl 496 861 0 844 3 0 3 3 0 8 0 filepl 152 2389 0 2285 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 53 0 44 1 0 1 1 0 8 0 zombiepl 144 844 0 844 2 1 1 1 0 8 1 processpl 1080 877 0 844 3 0 3 3 0 8 0 procpl 672 1559 0 1517 5 1 4 4 0 8 0 sockpl 432 83 0 64 3 0 3 3 0 8 0 mcl64k 65536 18 0 0 3 0 3 3 0 8 0 mcl16k 16384 7 0 0 1 0 1 1 0 8 0 mcl12k 12288 17 0 0 2 0 2 2 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 6 0 0 1 0 1 1 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 205 0 0 25 0 25 25 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 237 0 0 14 0 14 14 0 8 0 bufpl 280 3971 0 181 271 0 271 271 0 8 0 anonpl 24 84112 0 61667 137 1 136 136 0 186 0 amapchunkpl 152 3523 0 2983 24 3 21 23 0 158 0 amappl16 200 2424 0 1558 46 0 46 46 0 8 0 amappl15 192 309 0 307 1 0 1 1 0 8 0 amappl14 184 29 0 21 1 0 1 1 0 8 0 amappl13 176 805 0 799 1 0 1 1 0 8 0 amappl12 168 6 0 5 1 0 1 1 0 8 0 amappl11 160 59 0 42 1 0 1 1 0 8 0 amappl10 152 8 0 5 1 0 1 1 0 8 0 amappl9 144 289 0 288 3 2 1 1 0 8 0 amappl8 136 160 0 116 2 0 2 2 0 8 0 amappl7 128 247 0 239 1 0 1 1 0 8 0 amappl6 120 66 0 55 1 0 1 1 0 8 0 amappl5 112 1362 0 1343 1 0 1 1 0 8 0 amappl4 104 288 0 262 1 0 1 1 0 8 0 amappl3 96 629 0 620 1 0 1 1 0 8 0 amappl2 88 6005 0 5927 3 1 2 3 0 8 0 amappl1 80 32119 0 31621 26 14 12 21 0 8 0 amappl 88 1876 0 1767 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 861 0 844 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 861 0 844 1 0 1 1 0 8 0 vmmpekpl 168 7692 0 7659 3 1 2 2 0 8 0 vmmpepl 168 115286 0 113037 130 19 111 120 0 357 13 vmsppl 368 860 0 844 2 0 2 2 0 8 0 rwobjpl 56 26403 0 24771 29 5 24 24 0 8 1 pdppl 4096 1729 0 1688 60 19 41 45 0 8 0 pvpl 32 399278 0 373633 212 0 212 212 0 265 4 pmappl 232 860 0 844 2 1 1 2 0 8 0 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 318 0 25 9 0 9 9 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace pf_addr_compare(0,ffff8000222d34a0,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff8000222d3488,3,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000ae5000,ffff8000222d3758) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff8000222d3758,ffff8000222d3764,29,0,ffff800000ae5000) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000ae5000,fffffd806d660500) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d00,ffff8000222d3a48,ffff8000212b8000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff8000222d38a0) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd8079b64168,ffff8000222d3a48,11,fffffd807f7b7600) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd80672e8c00,ffff8000222d3a48,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff80002123cd28,f0,ffff8000222d3a48,0,ffff8000222d3b30) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff80002123cd28,ffff8000222d3ae0,ffff8000222d3b30) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff8000222d3bb0) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000222d3bb0) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x70fcf2f4e60, 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+0x129 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828b9d20) at __mp_lock+0x129 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff828b9d20,2) at __mp_acquire_count+0x4c sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x390 sys/kern/sched_bsd.c:433 sleep_finish(ffff8000212329c8,1) at sleep_finish+0x111 sys/kern/kern_synch.c:427 sleep_finish_all(ffff8000212329c8,1) at sleep_finish_all+0x32 sleep_finish_timeout sys/kern/kern_synch.c:457 [inline] sleep_finish_all(ffff8000212329c8,1) at sleep_finish_all+0x32 sys/kern/kern_synch.c:402 tsleep(fffffd806e90adc8,118,ffffffff8241ffeb,7e5) at tsleep+0x1f2 sys/kern/kern_synch.c:163 kqueue_sleep(fffffd806e90adc8,ffff800021232d80) at kqueue_sleep+0x101 sys/kern/kern_event.c:1007 kqueue_scan(ffff800021232c90,8,ffff800021232b90,ffff800021232d80,ffff8000ffff6010,ffff800021232ddc) at kqueue_scan+0x198 sys/kern/kern_event.c:1057 sys_kevent(ffff8000ffff6010,ffff800021232e40,ffff800021232e90) at sys_kevent+0x4d3 sys/kern/kern_event.c:754 syscall(ffff800021232f10) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021232f10) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc7fd0, count: -14