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,ffff800023356970,18) at pf_addr_compare+0x47 sys/net/pf.c:333 end trace frame: 0xffff800023356930, count: 0 ddb{1}> trace pf_addr_compare(0,ffff800023356970,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff800023356958,3,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000b17000,ffff800023356c28) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff800023356c28,ffff800023356c34,29,0,ffff800000b17000) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000b17000,fffffd8067530700) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d01,ffff800023356f18,ffff8000234d0000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff800023356d70) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806e361408,ffff800023356f18,11,fffffd807f7b7720) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd8067648e60,ffff800023356f18,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff800022350fd0,f0,ffff800023356f18,0,ffff800023357000) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff800022350fd0,ffff800023356fb0,ffff800023357000) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff800023357080) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800023357080) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6fa94ccd7c0, count: -13 ddb{1}> show registers rdi 0x18 rsi 0xffffffff8270a410 __sancov_gen_cov_switch_values.133 rbp 0xffff800023356830 rbx 0x18 rdx 0xffff800000afae00 rcx 0x2 rax 0xffff800022350fd0 r8 0xffffffff819cefab pf_addr_compare+0x3b r9 0x1 r10 0x357cab60ae69a54f r11 0xbd09a99fcd5f47f5 r12 0x18 r13 0xffff8000000449c0 r14 0xffff800023356970 r15 0 rip 0xffffffff819cefb7 pf_addr_compare+0x47 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000233567e0 ss 0x10 pf_addr_compare+0x47: movl 0xc(%r15),%r12d ddb{1}> show proc PROC (syz-executor.1) pid=34530 stat=onproc flags process=0 proc=4000000 pri=75, usrpri=75, nice=20 forw=0xffffffffffffffff, list=0xffff800022350d30,0xffffffff828c8868 process=0xffff800022329530 user=0xffff800023352000, 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 76715 265783 56706 0 7 0 syz-executor.1 *76715 34530 56706 0 7 0x4000000 syz-executor.1 73088 174430 86232 0 3 0x2 biowait syz-executor.0 85824 42082 0 0 3 0x14280 nfsidl nfsio 19222 408044 0 0 3 0x14280 nfsidl nfsio 66262 386175 0 0 3 0x14280 nfsidl nfsio 57006 300015 0 0 3 0x14280 nfsidl nfsio 19251 38816 0 0 3 0x14280 nfsidl nfsio 70748 453540 0 0 3 0x14280 nfsidl nfsio 83936 10762 0 0 3 0x14280 nfsidl nfsio 85196 340097 0 0 3 0x14280 nfsidl nfsio 98739 61841 0 0 3 0x14280 nfsidl nfsio 61890 16951 0 0 3 0x14280 nfsidl nfsio 92981 325840 0 0 3 0x14280 nfsidl nfsio 88661 463637 0 0 3 0x14280 nfsidl nfsio 65549 486844 0 0 3 0x14280 nfsidl nfsio 47133 350010 0 0 3 0x14280 nfsidl nfsio 46267 70460 0 0 3 0x14280 nfsidl nfsio 15235 515587 0 0 3 0x14280 nfsidl nfsio 65132 92384 0 0 3 0x14280 nfsidl nfsio 72338 341686 0 0 3 0x14280 nfsidl nfsio 33659 37718 0 0 3 0x14280 nfsidl nfsio 92029 286828 0 0 3 0x14280 nfsidl nfsio 56706 220434 86232 0 3 0x82 nanoslp syz-executor.1 86232 194786 97833 0 3 0x82 thrsleep syz-fuzzer 86232 449057 97833 0 3 0x4000082 nanoslp syz-fuzzer 86232 392413 97833 0 3 0x4000082 thrsleep syz-fuzzer 86232 432997 97833 0 3 0x4000082 kqread syz-fuzzer 86232 400410 97833 0 3 0x4000082 thrsleep syz-fuzzer 86232 506613 97833 0 3 0x4000082 thrsleep syz-fuzzer 86232 377472 97833 0 3 0x4000082 thrsleep syz-fuzzer 86232 137685 97833 0 3 0x4000082 nanoslp syz-fuzzer 97833 71877 7473 0 3 0x10008a sigsusp ksh 7473 196971 6476 0 3 0x92 select sshd 1318 363348 1 0 3 0x100083 ttyin getty 6476 281519 1 0 3 0x80 select sshd 56350 422880 19133 74 3 0x100092 bpf pflogd 19133 377025 1 0 3 0x80 netio pflogd 24890 302159 356 73 3 0x100090 kqread syslogd 356 299427 1 0 3 0x100082 netio syslogd 27484 285830 1 77 3 0x100090 poll dhclient 19453 497702 1 0 3 0x80 poll dhclient 38391 521241 0 0 3 0x14200 bored smr 28096 202178 0 0 2 0x14200 zerothread 56492 294849 0 0 3 0x14200 aiodoned aiodoned 35220 328527 0 0 3 0x14200 syncer update 58892 1253 0 0 3 0x14200 cleaner cleaner 59239 269545 0 0 3 0x14200 reaper reaper 63207 225533 0 0 3 0x14200 pgdaemon pagedaemon 58641 14158 0 0 3 0x14200 bored crynlk 6178 370892 0 0 3 0x14200 bored crypto 81552 442333 0 0 3 0x14200 bored viomb 49231 55935 0 0 3 0x40014200 acpi0 acpi0 64211 304100 0 0 3 0x40014200 idle1 32145 136353 0 0 3 0x14200 bored softnet 62452 283168 0 0 3 0x14200 bored systqmp 43548 431374 0 0 3 0x14200 bored systq 89110 61649 0 0 3 0x40014200 bored softclock 14040 339852 0 0 3 0x40014200 idle0 1 200092 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 76715 (syz-executor.1) thread 0xffff800022350fd0 (34530) 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 73088 (syz-executor.0) thread 0xffff80002123dce0 (174430) exclusive rrwlock inode r = 0 (0xfffffd807c2dad60) #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 (0xfffffd807e4911a8) #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 9506 6445K 6446K 78643K 13258 0 pcb 13 8K 8K 78643K 99 0 rtable 105 3K 3K 78643K 239 0 ifaddr 44 10K 10K 78643K 52 0 sysctl 2 0K 0K 78643K 2 0 counters 44 34K 34K 78643K 46 0 ioctlops 0 0K 4K 78643K 2524 0 iov 0 0K 12K 78643K 554 0 mount 1 1K 1K 78643K 1 0 vnodes 1214 76K 77K 78643K 1864 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 500 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 2023 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 5 13K 25K 78643K 34521 0 sigio 0 0K 0K 78643K 3036 0 proc 59 63K 95K 78643K 7482 0 subproc 32 2K 2K 78643K 51 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 33 2K 2K 78643K 44 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 55 254K 254K 78643K 55 0 exec 0 0K 2K 78643K 382 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 130 23K 23K 78643K 76521 0 UVM aobj 131 4K 4K 78643K 182 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 6 0K 0K 78643K 13 0 temp 107 3985K 4051K 78643K 119057 0 kqueue 3 4K 10K 78643K 859 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 8 0 2 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 120 21 0 19 1 0 1 1 0 8 0 rtentry 112 56 0 12 2 0 2 2 0 8 0 unpcb 120 7595 0 7585 1 0 1 1 0 8 0 syncache 296 4 0 4 1 1 0 1 0 8 0 tcpcb 736 251 0 247 9 8 1 4 0 8 0 inpcb 296 835 0 828 1 0 1 1 0 8 0 nd6 48 9 0 3 1 0 1 1 0 8 0 kcovpl 48 3 0 1 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 14 0 12 1 0 1 1 0 8 0 pfstkey 112 14 0 12 1 0 1 1 0 8 0 pfstate 328 14 0 12 2 1 1 2 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 256 233 0 44 12 0 12 12 0 8 0 art_table 32 234 0 44 2 0 2 2 0 8 0 art_node 16 55 0 15 1 0 1 1 0 8 0 semapl 112 2021 0 2011 1 0 1 1 0 8 0 shmpl 112 179 0 51 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 40235 0 38685 98 0 98 98 0 8 0 ffsino 272 40235 0 38685 104 0 104 104 0 8 0 nchpl 144 84692 0 83101 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 194008 0 194007 1 0 1 1 0 8 0 percpumem 16 34 0 1 1 0 1 1 0 8 0 scxspl 216 225994 0 225993 8 7 1 7 0 8 0 plimitpl 152 341 0 333 1 0 1 1 0 8 0 sigapl 424 34754 0 34702 6 0 6 6 0 8 0 futexpl 56 131849 0 131849 1 0 1 1 0 8 1 knotepl 112 837 0 817 1 0 1 1 0 8 0 kqueuepl 168 1838 0 1836 1 0 1 1 0 8 0 pipepl 336 17196 0 17185 24 21 3 3 0 8 2 fdescpl 496 34718 0 34702 3 0 3 3 0 8 0 filepl 152 108370 0 108268 23 17 6 6 0 8 1 lockfpl 104 5771 0 5770 1 0 1 1 0 8 0 lockfspl 48 2791 0 2790 1 0 1 1 0 8 0 sessionpl 144 19 0 8 1 0 1 1 0 8 0 pgrppl 48 475 0 464 1 0 1 1 0 8 0 ucredpl 96 7729 0 7720 1 0 1 1 0 8 0 zombiepl 144 34702 0 34702 1 0 1 1 0 8 1 processpl 1080 34754 0 34702 4 0 4 4 0 8 0 procpl 672 75926 0 75866 6 0 6 6 0 8 0 sockpl 432 8451 0 8432 8 5 3 4 0 8 0 mcl64k 65536 25 0 0 4 1 3 3 0 8 0 mcl16k 16384 17 0 0 3 0 3 3 0 8 0 mcl12k 12288 41 0 0 2 0 2 2 0 8 0 mcl9k 9216 57 0 0 2 0 2 2 0 8 0 mcl8k 8192 22 0 0 3 0 3 3 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 14 0 0 1 0 1 1 0 8 0 mcl2k 2048 143 0 0 12 0 12 12 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 859 0 0 17 3 14 16 0 8 0 bufpl 280 39002 0 32753 447 0 447 447 0 8 0 anonpl 24 2136078 0 2131106 39 7 32 35 0 186 0 amapchunkpl 152 117920 0 117769 9 2 7 8 0 158 0 amappl16 200 107058 0 106896 13 4 9 13 0 8 0 amappl15 192 2192 0 2191 1 0 1 1 0 8 0 amappl14 184 28 0 23 1 0 1 1 0 8 0 amappl13 176 33 0 31 1 0 1 1 0 8 0 amappl12 168 8 0 7 2 1 1 1 0 8 0 amappl11 160 72 0 55 1 0 1 1 0 8 0 amappl10 152 17325 0 17316 1 0 1 1 0 8 0 amappl9 144 278 0 277 1 0 1 1 0 8 0 amappl8 136 30307 0 30234 3 0 3 3 0 8 0 amappl7 128 258 0 250 1 0 1 1 0 8 0 amappl6 120 17381 0 17368 1 0 1 1 0 8 0 amappl5 112 35185 0 35168 1 0 1 1 0 8 0 amappl4 104 341 0 310 1 0 1 1 0 8 0 amappl3 96 2071 0 2064 1 0 1 1 0 8 0 amappl2 88 277232 0 277159 3 1 2 3 0 8 0 amappl1 80 917426 0 916947 27 15 12 21 0 8 0 amappl 88 76166 0 76116 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 64 181 0 51 3 0 3 3 0 8 0 uaddrrnd 24 34718 0 34702 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 34718 0 34702 1 0 1 1 0 8 0 vmmpekpl 168 213995 0 213962 2 0 2 2 0 8 0 vmmpepl 168 4176608 0 4175207 126 58 68 77 0 357 2 vmsppl 368 34717 0 34702 2 0 2 2 0 8 0 rwobjpl 56 851850 0 850960 37 23 14 19 0 8 1 pdppl 4096 69443 0 69404 57 16 41 45 0 8 2 pvpl 32 6682362 0 6674190 190 120 70 117 0 265 2 pmappl 232 34717 0 34702 2 1 1 2 0 8 0 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 358 0 52 10 1 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(ffff800021aab730,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: 0x7f7ffffdf750, count: -6 ddb{0}> machine ddbcpu 1 Stopped at pf_addr_compare+0x47: movl 0xc(%r15),%r12d ddb{1}> trace pf_addr_compare(0,ffff800023356970,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff800023356958,3,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000b17000,ffff800023356c28) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff800023356c28,ffff800023356c34,29,0,ffff800000b17000) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000b17000,fffffd8067530700) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d01,ffff800023356f18,ffff8000234d0000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff800023356d70) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806e361408,ffff800023356f18,11,fffffd807f7b7720) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd8067648e60,ffff800023356f18,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff800022350fd0,f0,ffff800023356f18,0,ffff800023357000) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff800022350fd0,ffff800023356fb0,ffff800023357000) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff800023357080) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800023357080) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6fa94ccd7c0, count: -13