uvm_fault(0xfffffd8068fc8a20, 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(0xfffffd8068fc8a20, 0xc, 0, 1) -> e pf_addr_compare(0,ffff8000222ace50,18) at pf_addr_compare+0x47 sys/net/pf.c:333 end trace frame: 0xffff8000222ace10, count: 0 ddb{0}> trace pf_addr_compare(0,ffff8000222ace50,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff8000222ace38,8,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000ae5000,ffff8000222ad108) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff8000222ad108,ffff8000222ad114,29,0,ffff800000ae5000) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000ae5000,fffffd807cfe6700) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d00,ffff8000222ad3f8,ffff800022eb2000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff8000222ad250) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd8079da16a8,ffff8000222ad3f8,11,fffffd807f7b79c0) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd806cb5c438,ffff8000222ad3f8,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff80002128ed20,f0,ffff8000222ad3f8,0,ffff8000222ad4e0) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff80002128ed20,ffff8000222ad490,ffff8000222ad4e0) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff8000222ad560) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000222ad560) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2731edbf160, count: -13 ddb{0}> show registers rdi 0x18 rsi 0xffffffff8270a410 __sancov_gen_cov_switch_values.133 rbp 0xffff8000222acd10 rbx 0x18 rdx 0xffff800000b13680 rcx 0x2 rax 0xffff80002128ed20 r8 0xffffffff819cefab pf_addr_compare+0x3b r9 0x1 r10 0x1702848e45acc071 r11 0x23539fe97856dd73 r12 0x18 r13 0xffff800000044ac0 r14 0xffff8000222ace50 r15 0 rip 0xffffffff819cefb7 pf_addr_compare+0x47 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000222accc0 ss 0x10 pf_addr_compare+0x47: movl 0xc(%r15),%r12d ddb{0}> show proc PROC (syz-executor.0) pid=318324 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff80002128e7e0,0xffffffff828c8868 process=0xffff800021234880 user=0xffff8000222a8000, vmspace=0xfffffd8068fc8a20 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 63934 272996 85015 0 2 0 syz-executor.0 *63934 318324 85015 0 7 0x4000000 syz-executor.0 69271 26246 0 0 3 0x14200 acct acct 85015 248154 35300 0 3 0x82 nanoslp syz-executor.0 17334 21056 35300 0 7 0x482 syz-executor.1 35300 414592 63911 0 2 0x482 syz-fuzzer 35300 500019 63911 0 2 0x4000482 syz-fuzzer 35300 252786 63911 0 3 0x4000082 thrsleep syz-fuzzer 35300 106800 63911 0 3 0x4000082 thrsleep syz-fuzzer 35300 225955 63911 0 3 0x4000082 thrsleep syz-fuzzer 35300 355487 63911 0 3 0x4000082 thrsleep syz-fuzzer 35300 356566 63911 0 3 0x4000082 kqread syz-fuzzer 35300 468098 63911 0 3 0x4000082 thrsleep syz-fuzzer 63911 488275 37764 0 3 0x10008a sigsusp ksh 37764 351904 10511 0 3 0x92 select sshd 42861 66701 1 0 3 0x100083 ttyin getty 10511 431569 1 0 3 0x80 select sshd 25357 234721 87984 74 3 0x100092 bpf pflogd 87984 235974 1 0 3 0x80 netio pflogd 47360 397904 44837 73 3 0x100090 kqread syslogd 44837 218055 1 0 3 0x100082 netio syslogd 50314 210146 1 77 3 0x100090 poll dhclient 2454 70127 1 0 3 0x80 poll dhclient 14569 47347 0 0 3 0x14200 bored smr 22118 290506 0 0 2 0x14200 zerothread 63944 28008 0 0 3 0x14200 aiodoned aiodoned 85586 520182 0 0 3 0x14200 syncer update 953 11247 0 0 3 0x14200 cleaner cleaner 95090 365359 0 0 3 0x14200 reaper reaper 96953 199151 0 0 3 0x14200 pgdaemon pagedaemon 15434 205249 0 0 3 0x14200 bored crynlk 17708 199806 0 0 3 0x14200 bored crypto 80581 515938 0 0 3 0x14200 bored viomb 71356 130387 0 0 3 0x40014200 acpi0 acpi0 60653 217033 0 0 3 0x40014200 idle1 9520 343546 0 0 3 0x14200 bored softnet 72008 50910 0 0 3 0x14200 bored systqmp 43073 445908 0 0 3 0x14200 bored systq 17164 182785 0 0 3 0x40014200 bored softclock 42066 226385 0 0 3 0x40014200 idle0 1 302605 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 63934 (syz-executor.0) thread 0xffff80002128ed20 (318324) 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 9507 6425K 7329K 78643K 12422 0 pcb 13 8K 8K 78643K 143 0 rtable 105 3K 3K 78643K 321 0 ifaddr 57 12K 12K 78643K 91 0 sysctl 2 0K 0K 78643K 2 0 counters 44 34K 34K 78643K 46 0 ioctlops 0 0K 4K 78643K 1515 0 iov 0 0K 32K 78643K 45 0 mount 1 1K 1K 78643K 1 0 vnodes 1220 77K 77K 78643K 1859 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 158 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 5 13K 25K 78643K 1630 0 sigio 0 0K 0K 78643K 5 0 proc 62 63K 95K 78643K 599 0 subproc 32 2K 2K 78643K 51 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 57 0 in_multi 33 2K 2K 78643K 61 0 ether_multi 1 0K 0K 78643K 13 0 mrt 0 0K 0K 78643K 26 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 49 228K 228K 78643K 49 0 exec 0 0K 2K 78643K 407 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 169 157K 157K 78643K 4525 0 UVM aobj 3 2K 2K 78643K 5 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 89 0 NDP 9 0K 0K 78643K 16 0 temp 81 3972K 4052K 78643K 6027 0 kqueue 3 4K 12K 78643K 49 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 8 0 2 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 120 69 0 67 1 0 1 1 0 8 0 rtentry 112 67 0 23 2 0 2 2 0 8 0 unpcb 120 367 0 357 1 0 1 1 0 8 0 syncache 296 17 0 17 3 2 1 1 0 8 1 tcpqe 32 621 0 621 1 1 0 1 0 8 0 tcpcb 736 234 0 230 6 4 2 3 0 8 1 inpcb 296 611 0 604 5 4 1 2 0 8 0 rttmr 72 11 0 11 2 1 1 1 0 8 1 nd6 48 9 0 3 1 0 1 1 0 8 0 pkpcb 40 3 0 3 1 1 0 1 0 8 0 kcovpl 48 3 0 1 1 0 1 1 0 8 0 pffrag 232 6 0 5 2 1 1 1 0 482 0 pffrnode 88 6 0 5 2 1 1 1 0 8 0 pffrent 40 12 0 11 2 1 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 pfrktable 1344 5 0 5 1 1 0 1 0 8 0 pfstitem 24 35 0 10 1 0 1 1 0 8 0 pfstkey 112 35 0 10 1 0 1 1 0 8 0 pfstate 328 35 0 10 3 0 3 3 0 8 0 pfrule 1360 26 0 21 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 232 0 44 13 1 12 12 0 8 0 art_table 32 233 0 44 2 0 2 2 0 8 0 art_node 16 66 0 26 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 0 1 0 1 1 0 8 0 semapl 112 156 0 146 1 0 1 1 0 8 0 shmpl 112 2 0 2 1 0 1 1 0 8 1 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 3339 0 1931 89 0 89 89 0 8 0 ffsino 272 3339 0 1931 95 0 95 95 0 8 0 nchpl 144 5452 0 3864 60 0 60 60 0 8 0 uvmvnodes 72 3905 0 0 71 0 71 71 0 8 0 vnodes 224 3905 0 0 230 0 230 230 0 8 0 namei 1024 13687 0 13687 1 0 1 1 0 8 1 percpumem 16 34 0 1 1 0 1 1 0 8 0 vcpupl 1984 10 0 0 2 0 2 2 0 8 0 vmpool 560 10 0 0 1 0 1 1 0 8 0 scxspl 216 16030 0 16030 10 7 3 7 0 8 3 plimitpl 152 85 0 77 1 0 1 1 0 8 0 sigapl 424 1844 0 1811 4 0 4 4 0 8 0 futexpl 56 10968 0 10968 1 0 1 1 0 8 1 knotepl 112 125 0 105 1 0 1 1 0 8 0 kqueuepl 168 701 0 698 1 0 1 1 0 8 0 pipepl 336 191 0 180 4 1 3 3 0 8 2 fdescpl 496 1827 0 1811 3 0 3 3 0 8 0 filepl 152 6259 0 6156 8 1 7 7 0 8 2 lockfpl 104 135 0 134 1 0 1 1 0 8 0 lockfspl 48 47 0 46 1 0 1 1 0 8 0 sessionpl 144 19 0 8 1 0 1 1 0 8 0 pgrppl 48 19 0 8 1 0 1 1 0 8 0 ucredpl 96 697 0 688 1 0 1 1 0 8 0 zombiepl 144 1811 0 1810 1 0 1 1 0 8 0 processpl 1080 1844 0 1810 3 0 3 3 0 8 0 procpl 672 3768 0 3726 4 0 4 4 0 8 0 sockpl 432 1050 0 1031 7 2 5 5 0 8 2 mcl64k 65536 15 0 0 2 0 2 2 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 10 0 0 1 0 1 1 0 8 0 mcl9k 9216 11 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 8 0 0 1 0 1 1 0 8 0 mcl2k 2048 193 0 0 20 0 20 20 0 8 0 mtagpl 96 135 0 0 3 0 3 3 0 8 0 mbufpl 256 737 0 0 44 0 44 44 0 8 0 bufpl 280 5705 0 178 395 0 395 395 0 8 0 anonpl 24 162415 0 151266 101 12 89 100 0 186 16 amapchunkpl 152 6873 0 6604 15 4 11 13 0 158 0 amappl16 200 6942 0 6514 45 20 25 45 0 8 2 amappl15 192 4 0 1 1 0 1 1 0 8 0 amappl14 184 28 0 20 1 0 1 1 0 8 0 amappl13 176 834 0 830 1 0 1 1 0 8 0 amappl12 168 13 0 12 1 0 1 1 0 8 0 amappl11 160 61 0 44 1 0 1 1 0 8 0 amappl10 152 19 0 14 1 0 1 1 0 8 0 amappl9 144 291 0 291 1 1 0 1 0 8 0 amappl8 136 1791 0 1734 3 0 3 3 0 8 1 amappl7 128 256 0 249 1 0 1 1 0 8 0 amappl6 120 67 0 58 1 0 1 1 0 8 0 amappl5 112 1179 0 1162 1 0 1 1 0 8 0 amappl4 104 292 0 264 2 1 1 2 0 8 0 amappl3 96 1756 0 1743 1 0 1 1 0 8 0 amappl2 88 13669 0 13594 3 1 2 3 0 8 0 amappl1 80 57628 0 57155 26 15 11 21 0 8 0 amappl 88 4095 0 4009 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 4 0 2 1 0 1 1 0 8 0 uaddrrnd 24 1837 0 1811 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1837 0 1811 1 0 1 1 0 8 0 vmmpekpl 168 12828 0 12795 2 0 2 2 0 8 0 vmmpepl 168 231157 0 229463 108 23 85 98 0 357 6 vmsppl 368 1836 0 1811 3 0 3 3 0 8 0 rwobjpl 56 51115 0 49943 29 11 18 23 0 8 0 pdppl 4096 3681 0 3632 67 16 51 51 0 8 2 pvpl 32 709334 0 695095 164 16 148 162 0 265 21 pmappl 232 1836 0 1811 3 1 2 2 0 8 0 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 356 0 25 10 0 10 10 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace pf_addr_compare(0,ffff8000222ace50,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff8000222ace38,8,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000ae5000,ffff8000222ad108) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff8000222ad108,ffff8000222ad114,29,0,ffff800000ae5000) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000ae5000,fffffd807cfe6700) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d00,ffff8000222ad3f8,ffff800022eb2000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff8000222ad250) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd8079da16a8,ffff8000222ad3f8,11,fffffd807f7b79c0) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd806cb5c438,ffff8000222ad3f8,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff80002128ed20,f0,ffff8000222ad3f8,0,ffff8000222ad4e0) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff80002128ed20,ffff8000222ad490,ffff8000222ad4e0) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff8000222ad560) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000222ad560) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2731edbf160, 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(ffffffff828b9d20,1) 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(ffff8000234d1198,1) at sleep_finish+0x111 sys/kern/kern_synch.c:427 sleep_finish_all(ffff8000234d1198,1) at sleep_finish_all+0x32 sleep_finish_timeout sys/kern/kern_synch.c:457 [inline] sleep_finish_all(ffff8000234d1198,1) at sleep_finish_all+0x32 sys/kern/kern_synch.c:402 tsleep(ffffffff8281b430,120,ffffffff8239da06,2) at tsleep+0x1f2 sys/kern/kern_synch.c:163 sys_nanosleep(ffff80002128e000,ffff8000234d12c0,ffff8000234d1310) at sys_nanosleep+0x1f5 sys/kern/kern_time.c:297 syscall(ffff8000234d1390) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000234d1390) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffceae0, count: -12