uvm_fault(0xfffffd8008492730, 0x0, 0, 1) -> e kernel: page fault trap, code=0 Stopped at pf_addr_compare+0x6b: movl 0(%r15),%r15d ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic kernel page fault uvm_fault(0xfffffd8008492730, 0x0, 0, 1) -> e pf_addr_compare(0,ffff8000242d76c0,2) at pf_addr_compare+0x6b sys/net/pf.c:326 end trace frame: 0xffff8000242d7680, count: 0 ddb{1}> trace pf_addr_compare(0,ffff8000242d76c0,2) at pf_addr_compare+0x6b sys/net/pf.c:326 pflog_packet(ffff8000242d76a8,3,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(2,1,ffff800000b17000,ffff8000242d78c8) at pf_test+0xfd2 sys/net/pf.c:7206 ip_input_if(ffff8000242d78c8,ffff8000242d78d4,4,0,ffff800000b17000) at ip_input_if+0x578 sys/netinet/ip_input.c:338 ipv4_input(ffff800000b17000,fffffd8068d63a00) at ipv4_input+0x48 sys/netinet/ip_input.c:237 tun_dev_write(5d00,ffff8000242d7bb8,ffff8000212ae000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff8000242d7a10) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806e2f4408,ffff8000242d7bb8,11,fffffd807f7b7ae0) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd80673fee60,ffff8000242d7bb8,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff80002123c540,f0,ffff8000242d7bb8,0,ffff8000242d7ca0) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff80002123c540,ffff8000242d7c50,ffff8000242d7ca0) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff8000242d7d20) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000242d7d20) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbdfc7beb1d0, count: -13 ddb{1}> show registers rdi 0x2 rsi 0xffffffff8270a410 __sancov_gen_cov_switch_values.133 rbp 0xffff8000242d7580 rbx 0x2 rdx 0xffff800000afa840 rcx 0x2 rax 0xffff80002123c540 r8 0xffffffff819cefab pf_addr_compare+0x3b r9 0x1 r10 0xe3380c2623eb7acb r11 0xa90a2c8bf9057a31 r12 0x2 r13 0xffff8000000449c0 r14 0xffff8000242d76c0 r15 0 rip 0xffffffff819cefdb pf_addr_compare+0x6b cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000242d7530 ss 0x10 pf_addr_compare+0x6b: movl 0(%r15),%r15d ddb{1}> show proc PROC (syz-executor.0) pid=356144 stat=onproc flags process=0 proc=4000000 pri=71, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff80002123c000,0xffffffff828c8868 process=0xffff800021235d98 user=0xffff8000242d2000, vmspace=0xfffffd8008492730 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 78648 260821 5989 0 7 0 syz-executor.0 *78648 356144 5989 0 7 0x4000000 syz-executor.0 9251 379460 0 0 3 0x14200 bored sosplice 11706 250424 65573 0 3 0x2 biowait syz-executor.1 5989 313774 65573 0 3 0x82 nanoslp syz-executor.0 65573 501107 83282 0 3 0x82 thrsleep syz-fuzzer 65573 489229 83282 0 3 0x4000082 thrsleep syz-fuzzer 65573 476395 83282 0 3 0x4000082 thrsleep syz-fuzzer 65573 335980 83282 0 3 0x4000082 thrsleep syz-fuzzer 65573 384165 83282 0 3 0x4000082 kqread syz-fuzzer 65573 124932 83282 0 3 0x4000082 thrsleep syz-fuzzer 65573 105072 83282 0 3 0x4000082 thrsleep syz-fuzzer 65573 150007 83282 0 3 0x4000082 thrsleep syz-fuzzer 83282 356563 29342 0 3 0x10008a sigsusp ksh 29342 280107 12914 0 3 0x92 select sshd 34681 331938 1 0 3 0x100083 ttyin getty 12914 185815 1 0 3 0x80 select sshd 33598 141450 12903 74 3 0x100092 bpf pflogd 12903 446430 1 0 3 0x80 netio pflogd 31577 15236 99149 73 3 0x100090 kqread syslogd 99149 231131 1 0 3 0x100082 netio syslogd 98224 3315 1 77 3 0x100090 poll dhclient 51244 273632 1 0 3 0x80 poll dhclient 47441 397371 0 0 3 0x14200 bored smr 96157 61667 0 0 2 0x14200 zerothread 99461 505836 0 0 3 0x14200 aiodoned aiodoned 72427 313196 0 0 3 0x14200 syncer update 49146 7841 0 0 3 0x14200 cleaner cleaner 23768 49541 0 0 3 0x14200 reaper reaper 45526 22382 0 0 3 0x14200 pgdaemon pagedaemon 73530 128091 0 0 3 0x14200 bored crynlk 46890 77241 0 0 3 0x14200 bored crypto 11638 76773 0 0 3 0x14200 bored viomb 27548 466072 0 0 3 0x40014200 acpi0 acpi0 35016 361214 0 0 3 0x40014200 idle1 12297 280142 0 0 3 0x14200 bored softnet 28265 299538 0 0 3 0x14200 bored systqmp 16361 441064 0 0 3 0x14200 bored systq 56669 415265 0 0 3 0x40014200 bored softclock 58957 153947 0 0 3 0x40014200 idle0 1 85099 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 78648 (syz-executor.0) thread 0xffff80002123c540 (356144) 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 11706 (syz-executor.1) thread 0xffff80002123d260 (250424) exclusive rrwlock inode r = 0 (0xfffffd80782275e8) #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 (0xfffffd80782274d8) #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 9523 6447K 7070K 78643K 12000 0 pcb 13 8K 8K 78643K 57 0 rtable 111 4K 5K 78643K 355 0 ifaddr 67 13K 13K 78643K 84 0 sysctl 2 0K 0K 78643K 2 0 counters 44 34K 34K 78643K 46 0 ioctlops 0 0K 4K 78643K 1592 0 iov 0 0K 2K 78643K 25 0 mount 1 1K 1K 78643K 1 0 vnodes 1220 77K 77K 78643K 1699 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 9 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 64 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 5 13K 25K 78643K 1718 0 proc 62 63K 95K 78643K 525 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 84 0 in_multi 33 2K 2K 78643K 64 0 ether_multi 1 0K 0K 78643K 13 0 mrt 0 0K 0K 78643K 4 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 394 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 149 27K 42K 78643K 4645 0 UVM aobj 29 7K 7K 78643K 42 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 90 0 NDP 11 0K 0K 78643K 18 0 temp 126 3982K 4046K 78643K 6116 0 kqueue 3 4K 12K 78643K 111 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 73 0 71 1 0 1 1 0 8 0 rtentry 112 56 0 12 2 0 2 2 0 8 0 unpcb 120 470 0 452 2 0 2 2 0 8 1 syncache 296 13 0 13 3 3 0 1 0 8 0 tcpqe 32 425 0 425 1 1 0 1 0 8 0 tcpcb 736 251 0 242 7 5 2 3 0 8 1 inpcb 296 606 0 599 5 3 2 2 0 8 1 nd6 48 9 0 3 1 0 1 1 0 8 0 pkpcb 40 18 0 18 2 1 1 1 0 8 1 kcovpl 48 3 0 1 1 0 1 1 0 8 0 pffrag 232 4 0 4 1 1 0 1 0 482 0 pffrnode 88 4 0 4 1 1 0 1 0 8 0 pffrent 40 180 0 180 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 pfrktable 1344 25 0 24 2 1 1 1 0 8 0 pfstitem 24 33 0 7 1 0 1 1 0 8 0 pfstkey 112 33 0 7 1 0 1 1 0 8 0 pfstate 328 33 0 7 3 0 3 3 0 8 0 pfrule 1360 114 0 95 3 1 2 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 sysvmsgpl 40 16 0 1 1 0 1 1 0 8 0 semapl 112 62 0 52 1 0 1 1 0 8 0 shmpl 112 39 0 13 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 3426 0 2021 90 1 89 89 0 8 1 ffsino 272 3426 0 2021 94 0 94 94 0 8 0 nchpl 144 5464 0 3874 60 0 60 60 0 8 0 uvmvnodes 72 3815 0 0 70 0 70 70 0 8 0 vnodes 224 3815 0 0 225 0 225 225 0 8 0 namei 1024 13853 0 13853 1 0 1 1 0 8 1 percpumem 16 34 0 1 1 0 1 1 0 8 0 pfiaddrpl 120 8 0 8 1 1 0 1 0 8 0 scsiplug 72 7 0 7 1 0 1 1 0 8 1 scxspl 216 15860 0 15859 9 8 1 8 0 8 0 plimitpl 152 114 0 106 1 0 1 1 0 8 0 sigapl 424 1932 0 1899 4 0 4 4 0 8 0 futexpl 56 10762 0 10762 1 0 1 1 0 8 1 knotepl 112 208 0 188 1 0 1 1 0 8 0 kqueuepl 168 820 0 818 1 0 1 1 0 8 0 pipepl 336 95 0 84 2 0 2 2 0 8 0 fdescpl 496 1915 0 1899 3 0 3 3 0 8 0 filepl 152 6337 0 6235 6 0 6 6 0 8 1 lockfpl 104 189 0 188 1 0 1 1 0 8 0 lockfspl 48 49 0 48 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 96 871 0 862 1 0 1 1 0 8 0 zombiepl 144 1899 0 1899 1 0 1 1 0 8 1 processpl 1080 1932 0 1899 3 0 3 3 0 8 0 procpl 672 3950 0 3909 4 0 4 4 0 8 0 sosppl 168 35 0 35 2 1 1 1 0 8 1 sockpl 432 1167 0 1140 8 1 7 7 0 8 3 mcl64k 65536 19 0 0 3 0 3 3 0 8 0 mcl16k 16384 9 0 0 2 0 2 2 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 8 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 247 0 0 30 0 30 30 0 8 0 mtagpl 96 112 0 0 3 0 3 3 0 8 0 mbufpl 256 523 0 0 31 0 31 31 0 8 0 bufpl 280 5241 0 181 362 0 362 362 0 8 0 anonpl 24 148369 0 136168 85 9 76 80 0 186 0 amapchunkpl 152 8590 0 8277 30 8 22 27 0 158 8 amappl16 200 5442 0 4978 27 2 25 27 0 8 0 amappl15 192 3 0 0 1 0 1 1 0 8 0 amappl14 184 26 0 19 1 0 1 1 0 8 0 amappl13 176 32 0 30 1 0 1 1 0 8 0 amappl12 168 10 0 9 3 2 1 1 0 8 0 amappl11 160 62 0 45 1 0 1 1 0 8 0 amappl10 152 205 0 199 1 0 1 1 0 8 0 amappl9 144 950 0 947 1 0 1 1 0 8 0 amappl8 136 1844 0 1786 3 0 3 3 0 8 0 amappl7 128 918 0 909 1 0 1 1 0 8 0 amappl6 120 263 0 251 1 0 1 1 0 8 0 amappl5 112 2080 0 2062 1 0 1 1 0 8 0 amappl4 104 304 0 277 2 1 1 2 0 8 0 amappl3 96 147 0 140 1 0 1 1 0 8 0 amappl2 88 14432 0 14362 3 1 2 3 0 8 0 amappl1 80 61085 0 60611 27 16 11 21 0 8 0 amappl 88 4261 0 4184 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 41 0 13 1 0 1 1 0 8 0 uaddrrnd 24 1915 0 1899 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1915 0 1899 1 0 1 1 0 8 0 vmmpekpl 168 13393 0 13365 2 0 2 2 0 8 0 vmmpepl 168 243408 0 241700 96 15 81 90 0 357 2 vmsppl 368 1914 0 1899 2 0 2 2 0 8 0 rwobjpl 56 51549 0 50354 24 6 18 19 0 8 0 pdppl 4096 3837 0 3798 57 16 41 45 0 8 2 pvpl 32 730777 0 715490 143 13 130 138 0 265 2 pmappl 232 1914 0 1899 2 1 1 2 0 8 0 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 343 0 25 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 __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(ffff8000242d15b0,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: 0x7f7ffffd64d0, count: -6 ddb{0}> machine ddbcpu 1 Stopped at pf_addr_compare+0x6b: movl 0(%r15),%r15d ddb{1}> trace pf_addr_compare(0,ffff8000242d76c0,2) at pf_addr_compare+0x6b sys/net/pf.c:326 pflog_packet(ffff8000242d76a8,3,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(2,1,ffff800000b17000,ffff8000242d78c8) at pf_test+0xfd2 sys/net/pf.c:7206 ip_input_if(ffff8000242d78c8,ffff8000242d78d4,4,0,ffff800000b17000) at ip_input_if+0x578 sys/netinet/ip_input.c:338 ipv4_input(ffff800000b17000,fffffd8068d63a00) at ipv4_input+0x48 sys/netinet/ip_input.c:237 tun_dev_write(5d00,ffff8000242d7bb8,ffff8000212ae000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff8000242d7a10) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806e2f4408,ffff8000242d7bb8,11,fffffd807f7b7ae0) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd80673fee60,ffff8000242d7bb8,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff80002123c540,f0,ffff8000242d7bb8,0,ffff8000242d7ca0) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff80002123c540,ffff8000242d7c50,ffff8000242d7ca0) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff8000242d7d20) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000242d7d20) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbdfc7beb1d0, count: -13