uvm_fault(0xfffffd8008492000, 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(0xfffffd8008492000, 0xc, 0, 1) -> e pf_addr_compare(0,ffff8000222c0c10,18) at pf_addr_compare+0x47 sys/net/pf.c:333 end trace frame: 0xffff8000222c0bd0, count: 0 ddb{1}> trace pf_addr_compare(0,ffff8000222c0c10,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff8000222c0bf8,3,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000ae5000,ffff8000222c0ec8) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff8000222c0ec8,ffff8000222c0ed4,29,0,ffff800000ae5000) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000ae5000,fffffd806dc3d600) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d00,ffff8000222c11b8,ffff8000212ac000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff8000222c1010) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806e9126a8,ffff8000222c11b8,11,fffffd807f7b76c0) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd80645f5e60,ffff8000222c11b8,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff80002123ca88,f0,ffff8000222c11b8,0,ffff8000222c12a0) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff80002123ca88,ffff8000222c1250,ffff8000222c12a0) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff8000222c1320) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000222c1320) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6dcb4849860, count: -13 ddb{1}> show registers rdi 0x18 rsi 0xffffffff8270a410 __sancov_gen_cov_switch_values.133 rbp 0xffff8000222c0ad0 rbx 0x18 rdx 0xffff800000afa940 rcx 0x2 rax 0xffff80002123ca88 r8 0xffffffff819cefab pf_addr_compare+0x3b r9 0x1 r10 0x51e3e4c714552e97 r11 0x2d6e3e2521b2614d r12 0x18 r13 0xffff8000000449c0 r14 0xffff8000222c0c10 r15 0 rip 0xffffffff819cefb7 pf_addr_compare+0x47 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000222c0a80 ss 0x10 pf_addr_compare+0x47: movl 0xc(%r15),%r12d ddb{1}> show proc PROC (syz-executor.0) pid=406253 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff80002123c008,0xffffffff828c8868 process=0xffff800021235d98 user=0xffff8000222bc000, vmspace=0xfffffd8008492000 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 83766 488985 32811 0 7 0 syz-executor.0 *83766 406253 32811 0 7 0x4000000 syz-executor.0 73153 284870 32407 0 3 0x2 biowait syz-executor.1 32811 384362 32407 0 3 0x82 nanoslp syz-executor.0 32407 35593 91127 0 3 0x82 thrsleep syz-fuzzer 32407 205584 91127 0 3 0x4000082 nanoslp syz-fuzzer 32407 150578 91127 0 3 0x4000082 thrsleep syz-fuzzer 32407 398002 91127 0 3 0x4000082 thrsleep syz-fuzzer 32407 255003 91127 0 3 0x4000082 thrsleep syz-fuzzer 32407 320809 91127 0 3 0x4000082 thrsleep syz-fuzzer 32407 355528 91127 0 3 0x4000082 kqread syz-fuzzer 32407 400052 91127 0 3 0x4000082 thrsleep syz-fuzzer 91127 294477 30539 0 3 0x10008a sigsusp ksh 30539 124500 1864 0 3 0x92 select sshd 83535 485865 1 0 3 0x100083 ttyin getty 1864 253993 1 0 3 0x80 select sshd 4274 344891 20301 74 3 0x100092 bpf pflogd 20301 522762 1 0 3 0x80 netio pflogd 5325 274548 19213 73 3 0x100090 kqread syslogd 19213 29271 1 0 3 0x100082 netio syslogd 3052 144563 1 77 3 0x100090 poll dhclient 16751 436340 1 0 3 0x80 poll dhclient 15457 117641 0 0 3 0x14200 bored smr 23594 365796 0 0 3 0x14200 pgzero zerothread 8615 260873 0 0 3 0x14200 aiodoned aiodoned 42329 400901 0 0 3 0x14200 syncer update 45572 394274 0 0 3 0x14200 cleaner cleaner 31285 415548 0 0 3 0x14200 reaper reaper 3915 142695 0 0 3 0x14200 pgdaemon pagedaemon 66478 111320 0 0 3 0x14200 bored crynlk 2922 216963 0 0 3 0x14200 bored crypto 16793 207070 0 0 3 0x14200 bored viomb 25425 105216 0 0 3 0x40014200 acpi0 acpi0 22157 491252 0 0 3 0x40014200 idle1 83326 3719 0 0 3 0x14200 bored softnet 73286 175246 0 0 3 0x14200 bored systqmp 58617 100709 0 0 3 0x14200 bored systq 26326 226727 0 0 3 0x40014200 bored softclock 37111 385342 0 0 3 0x40014200 idle0 1 334196 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 83766 (syz-executor.0) thread 0xffff80002123ca88 (406253) 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 73153 (syz-executor.1) thread 0xffff80002123d7a8 (284870) exclusive rrwlock inode r = 0 (0xfffffd80647641b0) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1176 #1 rw_enter+0x443 sys/kern/kern_rwlock.c:312 #2 rrw_enter+0x88 sys/kern/kern_rwlock.c:463 #3 VOP_LOCK+0x4b sys/kern/vfs_vops.c:614 #4 vn_lock+0x6c sys/kern/vfs_vnops.c:575 #5 vget+0x1c6 sys/kern/vfs_subr.c:671 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x6b sys/ufs/ffs/ffs_vfsops.c:1321 #8 ufs_lookup+0x151d sys/ufs/ufs/ufs_lookup.c:487 #9 VOP_LOOKUP+0x5b sys/kern/vfs_vops.c:90 #10 vfs_lookup+0x708 sys/kern/vfs_lookup.c:568 #11 namei+0x5f7 sys/kern/vfs_lookup.c:249 #12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1848 #13 syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] #13 syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8064764920) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1176 #1 rw_enter+0x443 sys/kern/kern_rwlock.c:312 #2 rrw_enter+0x88 sys/kern/kern_rwlock.c:463 #3 VOP_LOCK+0x4b sys/kern/vfs_vops.c:614 #4 vn_lock+0x6c sys/kern/vfs_vnops.c:575 #5 vfs_lookup+0xe6 sys/kern/vfs_lookup.c:419 #6 namei+0x5f7 sys/kern/vfs_lookup.c:249 #7 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1848 #8 syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9481 6416K 6428K 78643K 16524 0 pcb 13 8K 8K 78643K 17 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 6 0 mount 1 1K 1K 78643K 1 0 vnodes 1219 77K 77K 78643K 4724 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 39 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 12 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 5 13K 25K 78643K 30038 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 235 35K 35K 78643K 61382 0 UVM aobj 35 2K 2K 78643K 38 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 85 0 NDP 6 0K 0K 78643K 10 0 temp 68 3972K 4036K 78643K 65579 0 kqueue 3 4K 10K 78643K 50 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 27 0 25 1 0 1 1 0 8 0 rtentry 112 45 0 1 2 0 2 2 0 8 0 unpcb 120 247 0 237 1 0 1 1 0 8 0 syncache 296 4 0 4 1 1 0 1 0 8 0 tcpqe 32 706 0 706 1 1 0 1 0 8 0 tcpcb 736 10 0 6 1 0 1 1 0 8 0 inpcb 296 9681 0 9674 5 4 1 2 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 1 0 1 1 1 0 1 0 482 0 pffrnode 88 1 0 1 1 1 0 1 0 8 0 pffrent 40 4 0 4 1 1 0 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 10 1 0 1 1 0 8 0 pfstkey 112 12 0 10 1 0 1 1 0 8 0 pfstate 328 12 0 10 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 semupl 112 2 0 2 1 0 1 1 0 8 1 semapl 112 10 0 0 1 0 1 1 0 8 0 shmpl 112 35 0 3 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 31478 0 30073 88 0 88 88 0 8 0 ffsino 272 31478 0 30073 95 1 94 94 0 8 0 nchpl 144 61779 0 60176 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 131075 0 131075 2 1 1 1 0 8 1 percpumem 16 33 0 0 1 0 1 1 0 8 0 scxspl 216 185236 0 185235 9 8 1 8 0 8 0 plimitpl 152 15 0 7 1 0 1 1 0 8 0 sigapl 424 30254 0 30222 4 0 4 4 0 8 0 futexpl 56 140527 0 140527 1 0 1 1 0 8 1 knotepl 112 96 0 76 1 0 1 1 0 8 0 kqueuepl 168 28290 0 28288 1 0 1 1 0 8 0 pipepl 336 5643 0 5632 4 2 2 2 0 8 1 fdescpl 496 30238 0 30222 3 0 3 3 0 8 0 filepl 152 86930 0 86828 6 1 5 5 0 8 0 lockfpl 104 14 0 13 1 0 1 1 0 8 0 lockfspl 48 7 0 6 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 59 0 50 1 0 1 1 0 8 0 zombiepl 144 30222 0 30222 2 1 1 1 0 8 1 processpl 1080 30254 0 30222 3 0 3 3 0 8 0 procpl 672 60722 0 60682 5 1 4 4 0 8 0 sockpl 432 9955 0 9936 4 0 4 4 0 8 1 mcl64k 65536 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 1 0 0 1 0 1 1 0 8 0 mcl4k 4096 7 0 0 1 0 1 1 0 8 0 mcl2k2 2112 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 400 0 0 48 8 40 48 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 565 0 0 24 0 24 24 0 8 0 bufpl 280 33370 0 27123 447 0 447 447 0 8 0 anonpl 24 1780660 0 1749064 210 3 207 208 0 186 0 amapchunkpl 152 93182 0 92009 49 2 47 47 0 158 0 amappl16 200 72508 0 71555 53 0 53 53 0 8 2 amappl15 192 5 0 2 1 0 1 1 0 8 0 amappl14 184 15084 0 15076 1 0 1 1 0 8 0 amappl13 176 28 0 25 1 0 1 1 0 8 0 amappl12 168 6 0 5 2 1 1 1 0 8 0 amappl11 160 58 0 41 1 0 1 1 0 8 0 amappl10 152 14 0 10 1 0 1 1 0 8 0 amappl9 144 15253 0 15251 2 1 1 1 0 8 0 amappl8 136 142 0 102 2 0 2 2 0 8 0 amappl7 128 15202 0 15193 1 0 1 1 0 8 0 amappl6 120 71 0 57 1 0 1 1 0 8 0 amappl5 112 15327 0 15310 1 0 1 1 0 8 0 amappl4 104 15334 0 15306 1 0 1 1 0 8 0 amappl3 96 129 0 122 1 0 1 1 0 8 0 amappl2 88 256094 0 256022 3 1 2 3 0 8 0 amappl1 80 780743 0 780274 27 16 11 21 0 8 0 amappl 88 61120 0 60935 5 0 5 5 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 37 0 3 1 0 1 1 0 8 0 uaddrrnd 24 30238 0 30222 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 30238 0 30222 1 0 1 1 0 8 0 vmmpekpl 168 161366 0 161337 2 0 2 2 0 8 0 vmmpepl 168 3666265 0 3663978 161 54 107 136 0 357 6 vmsppl 368 30237 0 30222 2 0 2 2 0 8 0 rwobjpl 56 716711 0 714936 34 8 26 26 0 8 0 pdppl 4096 60483 0 60444 65 24 41 45 0 8 2 pvpl 32 10166134 0 10131451 312 9 303 307 0 265 0 pmappl 232 30237 0 30222 2 1 1 2 0 8 0 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 353 0 39 10 0 10 10 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x17 kd_curproc sys/dev/kcov.c:559 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x17 sys/dev/kcov.c:143 __mp_lock(ffffffff828b9d20) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828b9d20) at __mp_lock+0x133 sys/kern/kern_lock.c:147 intr_handler(ffff800021218920,ffff80000006a400) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge17_untramp() at Xintr_ioapic_edge17_untramp+0x18f Xsyscall() at Xsyscall+0x111 end of kernel end trace frame: 0x7f7ffffbf1a0, count: -8 ddb{0}> machine ddbcpu 1 Stopped at pf_addr_compare+0x47: movl 0xc(%r15),%r12d ddb{1}> trace pf_addr_compare(0,ffff8000222c0c10,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff8000222c0bf8,3,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000ae5000,ffff8000222c0ec8) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff8000222c0ec8,ffff8000222c0ed4,29,0,ffff800000ae5000) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000ae5000,fffffd806dc3d600) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d00,ffff8000222c11b8,ffff8000212ac000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff8000222c1010) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806e9126a8,ffff8000222c11b8,11,fffffd807f7b76c0) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd80645f5e60,ffff8000222c11b8,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff80002123ca88,f0,ffff8000222c11b8,0,ffff8000222c12a0) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff80002123ca88,ffff8000222c1250,ffff8000222c12a0) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff8000222c1320) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000222c1320) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6dcb4849860, count: -13