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,ffff8000242cf040,18) at pf_addr_compare+0x47 sys/net/pf.c:333 end trace frame: 0xffff8000242cf000, count: 0 ddb{1}> trace pf_addr_compare(0,ffff8000242cf040,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff8000242cf028,3,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000b12800,ffff8000242cf2f8) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff8000242cf2f8,ffff8000242cf304,29,0,ffff800000b12800) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000b12800,fffffd806a667600) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d01,ffff8000242cf5e8,ffff8000222bc000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff8000242cf440) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806ed654e8,ffff8000242cf5e8,11,fffffd807f7b7960) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd8068646d28,ffff8000242cf5e8,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff80002123d268,f0,ffff8000242cf5e8,0,ffff8000242cf6d0) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff80002123d268,ffff8000242cf680,ffff8000242cf6d0) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff8000242cf750) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000242cf750) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbce7ff20710, count: -13 ddb{1}> show registers rdi 0x18 rsi 0xffffffff8270a410 __sancov_gen_cov_switch_values.133 rbp 0xffff8000242cef00 rbx 0x18 rdx 0xffff800000ac5bc0 rcx 0x2 rax 0xffff80002123d268 r8 0xffffffff819cefab pf_addr_compare+0x3b r9 0x1 r10 0xbc12585248c65d32 r11 0x86f090d77ae61d93 r12 0x18 r13 0xffff8000000449c0 r14 0xffff8000242cf040 r15 0 rip 0xffffffff819cefb7 pf_addr_compare+0x47 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000242ceeb0 ss 0x10 pf_addr_compare+0x47: movl 0xc(%r15),%r12d ddb{1}> show proc PROC (syz-executor.1) pid=74093 stat=onproc flags process=0 proc=4000000 pri=62, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff80002123c548,0xffffffff828c8868 process=0xffff8000212350f0 user=0xffff8000242ca000, 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 91079 116574 99340 0 7 0 syz-executor.1 *91079 74093 99340 0 7 0x4000000 syz-executor.1 99340 266548 58344 0 3 0x82 nanoslp syz-executor.1 24222 332926 58344 0 3 0x2 biowait syz-executor.0 58344 419069 39170 0 3 0x82 thrsleep syz-fuzzer 58344 305245 39170 0 3 0x4000082 nanoslp syz-fuzzer 58344 327157 39170 0 3 0x4000082 thrsleep syz-fuzzer 58344 149589 39170 0 3 0x4000082 thrsleep syz-fuzzer 58344 294055 39170 0 3 0x4000082 thrsleep syz-fuzzer 58344 9937 39170 0 3 0x4000082 thrsleep syz-fuzzer 58344 186723 39170 0 3 0x4000082 kqread syz-fuzzer 58344 112163 39170 0 3 0x4000082 nanoslp syz-fuzzer 39170 425102 60131 0 3 0x10008a sigsusp ksh 60131 72029 11687 0 3 0x92 select sshd 20265 491684 1 0 3 0x100083 ttyin getty 11687 397510 1 0 3 0x80 select sshd 3538 220571 21412 74 3 0x100092 bpf pflogd 21412 452604 1 0 3 0x80 netio pflogd 77017 61575 42769 73 3 0x100090 kqread syslogd 42769 96605 1 0 3 0x100082 netio syslogd 32541 406020 1 77 3 0x100090 poll dhclient 86263 378765 1 0 3 0x80 poll dhclient 60731 215664 0 0 3 0x14200 bored smr 67798 448946 0 0 3 0x14200 pgzero zerothread 11497 300630 0 0 3 0x14200 aiodoned aiodoned 12546 47019 0 0 3 0x14200 syncer update 75348 512899 0 0 3 0x14200 cleaner cleaner 44650 327317 0 0 3 0x14200 reaper reaper 5835 394124 0 0 3 0x14200 pgdaemon pagedaemon 32696 141498 0 0 3 0x14200 bored crynlk 96963 220909 0 0 3 0x14200 bored crypto 19273 346274 0 0 3 0x14200 bored viomb 87071 462601 0 0 3 0x40014200 acpi0 acpi0 50660 490962 0 0 3 0x40014200 idle1 55063 394686 0 0 3 0x14200 bored softnet 53779 180391 0 0 3 0x14200 bored systqmp 28783 316719 0 0 3 0x14200 bored systq 49438 228339 0 0 3 0x40014200 bored softclock 54878 74011 0 0 3 0x40014200 idle0 1 361150 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 91079 (syz-executor.1) thread 0xffff80002123d268 (74093) 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 24222 (syz-executor.0) thread 0xffff80002123dce8 (332926) exclusive rrwlock inode r = 0 (0xfffffd80686060a0) #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 ufs_ihashins+0x45 sys/ufs/ufs/ufs_ihash.c:140 #4 ffs_vget+0x135 sys/ufs/ffs/ffs_vfsops.c:1350 #5 ffs_inode_alloc+0x1e1 sys/ufs/ffs/ffs_alloc.c:394 #6 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1162 #7 VOP_MKDIR+0xc6 sys/kern/vfs_vops.c:459 #8 domkdirat+0x121 sys/kern/vfs_syscalls.c:3064 #9 syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] #9 syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 #10 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8068606b40) #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 domkdirat+0x75 sys/kern/vfs_syscalls.c:3049 #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 9526 6997K 6997K 78643K 10616 0 pcb 13 8K 8K 78643K 25 0 rtable 105 3K 3K 78643K 200 0 ifaddr 44 10K 10K 78643K 45 0 counters 44 34K 34K 78643K 44 0 ioctlops 0 0K 4K 78643K 1469 0 mount 1 1K 1K 78643K 1 0 vnodes 1218 77K 77K 78643K 1231 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 5 13K 25K 78643K 44 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 1 0 in_multi 33 2K 2K 78643K 35 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 131 25K 25K 78643K 830 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 10 0K 0K 78643K 10 0 temp 65 3971K 4035K 78643K 2068 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 25 0 15 1 0 1 1 0 8 0 syncache 296 4 0 4 1 1 0 1 0 8 0 tcpqe 32 1274 0 1274 1 0 1 1 0 8 1 tcpcb 736 10 0 6 1 0 1 1 0 8 0 inpcb 296 45 0 38 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 256 188 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 1435 0 31 88 0 88 88 0 8 0 ffsino 272 1435 0 31 95 1 94 94 0 8 0 nchpl 144 1662 0 58 60 0 60 60 0 8 0 uvmvnodes 72 1488 0 0 28 0 28 28 0 8 0 vnodes 224 1488 0 0 88 0 88 88 0 8 0 namei 1024 4305 0 4304 2 1 1 1 0 8 0 percpumem 16 33 0 0 1 0 1 1 0 8 0 scxspl 216 4907 0 4906 9 1 8 8 0 8 7 plimitpl 152 15 0 7 1 0 1 1 0 8 0 sigapl 424 260 0 228 4 0 4 4 0 8 0 futexpl 56 55 0 55 1 0 1 1 0 8 1 knotepl 112 62 0 42 1 0 1 1 0 8 0 kqueuepl 168 4 0 2 1 0 1 1 0 8 0 pipepl 336 76 0 65 1 0 1 1 0 8 0 fdescpl 496 244 0 228 3 0 3 3 0 8 0 filepl 152 1122 0 1020 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 144 228 0 228 2 1 1 1 0 8 1 processpl 1080 260 0 228 3 0 3 3 0 8 0 procpl 672 281 0 241 5 1 4 4 0 8 0 sockpl 432 89 0 70 3 0 3 3 0 8 0 mcl4k 4096 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 220 0 0 27 0 27 27 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 240 0 0 15 0 15 15 0 8 0 bufpl 280 3341 0 177 226 0 226 226 0 8 0 anonpl 24 37593 0 23048 90 1 89 89 0 186 1 amapchunkpl 152 1462 0 1072 18 1 17 17 0 158 0 amappl16 200 679 0 141 29 0 29 29 0 8 0 amappl15 192 5 0 4 1 0 1 1 0 8 0 amappl14 184 23 0 19 1 0 1 1 0 8 0 amappl13 176 27 0 25 1 0 1 1 0 8 0 amappl12 168 13 0 8 1 0 1 1 0 8 0 amappl11 160 69 0 50 1 0 1 1 0 8 0 amappl10 152 14 0 9 1 0 1 1 0 8 0 amappl9 144 285 0 285 1 1 0 1 0 8 0 amappl8 136 140 0 104 2 0 2 2 0 8 0 amappl7 128 246 0 237 1 0 1 1 0 8 0 amappl6 120 66 0 56 1 0 1 1 0 8 0 amappl5 112 388 0 369 1 0 1 1 0 8 0 amappl4 104 285 0 259 1 0 1 1 0 8 0 amappl3 96 123 0 114 1 0 1 1 0 8 0 amappl2 88 1052 0 982 3 1 2 3 0 8 0 amappl1 80 16052 0 15578 26 8 18 21 0 8 6 amappl 88 573 0 490 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 24 244 0 228 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 244 0 228 1 0 1 1 0 8 0 vmmpekpl 168 6101 0 6073 2 0 2 2 0 8 0 vmmpepl 168 37642 0 35882 104 7 97 97 0 357 20 vmsppl 368 243 0 228 2 0 2 2 0 8 0 rwobjpl 56 10118 0 8861 27 7 20 20 0 8 1 pdppl 4096 495 0 456 59 14 45 45 0 8 6 pvpl 32 135711 0 118137 147 0 147 147 0 265 2 pmappl 232 243 0 228 2 0 2 2 0 8 1 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 312 0 19 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 intr_handler(ffff8000228c10c0,ffff80000006a400) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge17_untramp() at Xintr_ioapic_edge17_untramp+0x18f end of kernel end trace frame: 0x7f7ffffcd550, count: -6 ddb{0}> machine ddbcpu 1 Stopped at pf_addr_compare+0x47: movl 0xc(%r15),%r12d ddb{1}> trace pf_addr_compare(0,ffff8000242cf040,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff8000242cf028,3,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000b12800,ffff8000242cf2f8) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff8000242cf2f8,ffff8000242cf304,29,0,ffff800000b12800) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000b12800,fffffd806a667600) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d01,ffff8000242cf5e8,ffff8000222bc000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff8000242cf440) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806ed654e8,ffff8000242cf5e8,11,fffffd807f7b7960) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd8068646d28,ffff8000242cf5e8,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff80002123d268,f0,ffff8000242cf5e8,0,ffff8000242cf6d0) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff80002123d268,ffff8000242cf680,ffff8000242cf6d0) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff8000242cf750) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000242cf750) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbce7ff20710, count: -13