uvm_fault(0xfffffd8008492b80, 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(0xfffffd8008492b80, 0xc, 0, 1) -> e pf_addr_compare(0,ffff8000234d57f0,18) at pf_addr_compare+0x47 sys/net/pf.c:333 end trace frame: 0xffff8000234d57b0, count: 0 ddb{1}> trace pf_addr_compare(0,ffff8000234d57f0,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff8000234d57d8,8,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000b15000,ffff8000234d5aa8) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff8000234d5aa8,ffff8000234d5ab4,29,0,ffff800000b15000) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000b15000,fffffd8069eecd00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d01,ffff8000234d5d98,ffff8000234d6000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff8000234d5bf0) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806ed3c5c8,ffff8000234d5d98,11,fffffd807f7b7900) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd8067feee40,ffff8000234d5d98,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff80002123c7e8,f0,ffff8000234d5d98,0,ffff8000234d5e80) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff80002123c7e8,ffff8000234d5e30,ffff8000234d5e80) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff8000234d5f00) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000234d5f00) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1e2220e2f0, count: -13 ddb{1}> show registers rdi 0x18 rsi 0xffffffff8270a410 __sancov_gen_cov_switch_values.133 rbp 0xffff8000234d56b0 rbx 0x18 rdx 0xffff800000ac56c0 rcx 0x2 rax 0xffff80002123c7e8 r8 0xffffffff819cefab pf_addr_compare+0x3b r9 0x1 r10 0x4cacde33bfd13fd1 r11 0x2a58f0a09e86b3f2 r12 0x18 r13 0xffff800000044940 r14 0xffff8000234d57f0 r15 0 rip 0xffffffff819cefb7 pf_addr_compare+0x47 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000234d5660 ss 0x10 pf_addr_compare+0x47: movl 0xc(%r15),%r12d ddb{1}> show proc PROC (syz-executor.1) pid=406772 stat=onproc flags process=0 proc=4000000 pri=54, usrpri=54, nice=20 forw=0xffffffffffffffff, list=0xffff80002123ca88,0xffffffff828c8868 process=0xffff8000212361d0 user=0xffff8000234d0000, vmspace=0xfffffd8008492b80 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 97792 508984 59261 0 7 0 syz-executor.1 *97792 406772 59261 0 7 0x4000000 syz-executor.1 4353 1019 0 0 3 0x14200 acct acct 59261 505312 42822 0 3 0x82 nanoslp syz-executor.1 27842 229787 42822 0 3 0x2 biowait syz-executor.0 42822 237879 83907 0 3 0x82 thrsleep syz-fuzzer 42822 320692 83907 0 3 0x4000082 nanoslp syz-fuzzer 42822 353465 83907 0 3 0x4000082 nanoslp syz-fuzzer 42822 443588 83907 0 3 0x4000082 thrsleep syz-fuzzer 42822 41312 83907 0 3 0x4000082 thrsleep syz-fuzzer 42822 186959 83907 0 3 0x4000082 thrsleep syz-fuzzer 42822 451578 83907 0 3 0x4000082 thrsleep syz-fuzzer 42822 454412 83907 0 3 0x4000082 kqread syz-fuzzer 83907 508039 27361 0 3 0x10008a sigsusp ksh 27361 459180 84231 0 3 0x92 select sshd 61723 459445 1 0 3 0x100083 ttyin getty 84231 329583 1 0 3 0x80 select sshd 51923 405398 50898 74 3 0x100092 bpf pflogd 50898 52778 1 0 3 0x80 netio pflogd 54692 167744 49075 73 3 0x100090 kqread syslogd 49075 412045 1 0 3 0x100082 netio syslogd 3770 50731 1 77 3 0x100090 poll dhclient 11502 175522 1 0 3 0x80 poll dhclient 89273 56865 0 0 3 0x14200 bored smr 50054 217619 0 0 2 0x14200 zerothread 25941 164916 0 0 3 0x14200 aiodoned aiodoned 38349 321211 0 0 3 0x14200 syncer update 4672 501407 0 0 3 0x14200 cleaner cleaner 16472 249355 0 0 3 0x14200 reaper reaper 73002 77901 0 0 3 0x14200 pgdaemon pagedaemon 60825 192095 0 0 3 0x14200 bored crynlk 26384 130617 0 0 3 0x14200 bored crypto 2618 81114 0 0 3 0x14200 bored viomb 82168 201849 0 0 3 0x40014200 acpi0 acpi0 74619 456430 0 0 3 0x40014200 idle1 8601 276821 0 0 3 0x14200 bored softnet 52948 500907 0 0 3 0x14200 bored systqmp 83415 439542 0 0 3 0x14200 bored systq 50766 103038 0 0 3 0x40014200 bored softclock 19404 321430 0 0 3 0x40014200 idle0 1 127738 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 97792 (syz-executor.1) thread 0xffff80002123c7e8 (406772) 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 27842 (syz-executor.0) thread 0xffff80002123dce8 (229787) exclusive rrwlock inode r = 0 (0xfffffd8068919818) #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 (0xfffffd8068de7920) #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 9493 6421K 6933K 78643K 10931 0 pcb 13 8K 8K 78643K 41 0 rtable 108 3K 4K 78643K 253 0 ifaddr 49 11K 11K 78643K 67 0 counters 44 34K 34K 78643K 52 0 ioctlops 0 0K 4K 78643K 1469 0 iov 0 0K 8K 78643K 18 0 mount 1 1K 1K 78643K 1 0 vnodes 1221 77K 77K 78643K 1330 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 31 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 5 13K 25K 78643K 349 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 ip_moptions 0 0K 0K 78643K 17 0 in_multi 33 2K 2K 78643K 65 0 ether_multi 1 0K 0K 78643K 20 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 31 148K 148K 78643K 31 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 133 25K 25K 78643K 1572 0 UVM aobj 3 2K 2K 78643K 3 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 14 0 NDP 7 0K 0K 78643K 15 0 temp 72 3972K 4040K 78643K 6512 0 kqueue 3 4K 8K 78643K 8 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 29 0 27 1 0 1 1 0 8 0 rtentry 112 50 0 6 2 0 2 2 0 8 0 unpcb 120 119 0 109 1 0 1 1 0 8 0 syncache 296 4 0 4 1 1 0 1 0 8 0 tcpqe 32 1282 0 1282 2 2 0 2 0 8 0 tcpcb 736 53 0 49 2 0 2 2 0 8 1 inpcb 296 140 0 133 1 0 1 1 0 8 0 nd6 48 6 0 0 1 0 1 1 0 8 0 pkpcb 40 5 0 5 1 0 1 1 0 8 1 kcovpl 48 2 0 0 1 0 1 1 0 8 0 ppxss 1128 4 0 4 1 0 1 1 0 8 1 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 15 0 2 1 0 1 1 0 8 0 pfstkey 112 15 0 2 1 0 1 1 0 8 0 pfstate 328 15 0 2 2 0 2 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 256 189 0 0 12 0 12 12 0 8 0 art_table 32 190 0 0 2 0 2 2 0 8 0 art_node 16 44 0 4 1 0 1 1 0 8 0 semupl 112 9 0 9 1 0 1 1 0 8 1 semapl 112 29 0 19 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1814 0 408 89 0 89 89 0 8 0 ffsino 272 1814 0 408 96 1 95 95 0 8 0 nchpl 144 2355 0 751 60 0 60 60 0 8 0 uvmvnodes 72 1937 0 0 36 0 36 36 0 8 0 vnodes 224 1937 0 0 114 0 114 114 0 8 0 namei 1024 6015 0 6014 2 1 1 1 0 8 0 percpumem 16 37 0 4 1 0 1 1 0 8 0 scxspl 216 6975 0 6974 9 5 4 8 0 8 3 plimitpl 152 25 0 17 1 0 1 1 0 8 0 sigapl 424 566 0 533 4 0 4 4 0 8 0 futexpl 56 2004 0 2004 1 0 1 1 0 8 1 knotepl 112 67 0 47 1 0 1 1 0 8 0 kqueuepl 168 108 0 101 1 0 1 1 0 8 0 pipepl 336 104 0 93 2 0 2 2 0 8 1 fdescpl 496 549 0 533 3 0 3 3 0 8 0 filepl 152 2014 0 1912 6 1 5 5 0 8 0 lockfpl 104 34 0 33 1 0 1 1 0 8 0 lockfspl 48 17 0 16 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 96 139 0 130 1 0 1 1 0 8 0 zombiepl 144 533 0 533 2 1 1 1 0 8 1 processpl 1080 566 0 533 3 0 3 3 0 8 0 procpl 672 1006 0 965 5 1 4 4 0 8 0 sockpl 432 294 0 275 4 1 3 4 0 8 0 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 263 0 0 32 0 32 32 0 8 0 mtagpl 96 28 0 0 1 0 1 1 0 8 0 mbufpl 256 288 0 0 17 0 17 17 0 8 0 bufpl 280 3704 0 181 252 0 252 252 0 8 0 anonpl 24 55020 0 41993 80 1 79 79 0 186 0 amapchunkpl 152 2434 0 2089 14 0 14 14 0 158 0 amappl16 200 1554 0 1055 27 0 27 27 0 8 0 amappl15 192 2 0 0 1 0 1 1 0 8 0 amappl14 184 22 0 19 1 0 1 1 0 8 0 amappl13 176 181 0 177 1 0 1 1 0 8 0 amappl12 168 13 0 10 2 1 1 1 0 8 0 amappl11 160 62 0 44 1 0 1 1 0 8 0 amappl10 152 194 0 185 1 0 1 1 0 8 0 amappl9 144 279 0 279 1 1 0 1 0 8 0 amappl8 136 148 0 108 2 0 2 2 0 8 0 amappl7 128 246 0 236 1 0 1 1 0 8 0 amappl6 120 235 0 223 1 0 1 1 0 8 0 amappl5 112 557 0 539 1 0 1 1 0 8 0 amappl4 104 284 0 260 1 0 1 1 0 8 0 amappl3 96 430 0 419 1 0 1 1 0 8 0 amappl2 88 3516 0 3444 3 1 2 3 0 8 0 amappl1 80 24349 0 23877 26 14 12 21 0 8 0 amappl 88 1290 0 1213 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 24 549 0 533 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 549 0 533 1 0 1 1 0 8 0 vmmpekpl 168 7534 0 7503 3 1 2 2 0 8 0 vmmpepl 168 74440 0 72720 104 11 93 95 0 357 17 vmsppl 368 548 0 533 2 0 2 2 0 8 0 rwobjpl 56 18064 0 16851 26 7 19 19 0 8 1 pdppl 4096 1105 0 1066 61 18 43 45 0 8 4 pvpl 32 224320 0 208256 137 3 134 134 0 265 1 pmappl 232 548 0 533 2 1 1 2 0 8 0 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 326 0 23 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0xb sys/dev/kcov.c:139 intr_handler(ffff8000234cef60,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: 0x7f7ffffdaa60, count: -6 ddb{0}> machine ddbcpu 1 Stopped at pf_addr_compare+0x47: movl 0xc(%r15),%r12d ddb{1}> trace pf_addr_compare(0,ffff8000234d57f0,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff8000234d57d8,8,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000b15000,ffff8000234d5aa8) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff8000234d5aa8,ffff8000234d5ab4,29,0,ffff800000b15000) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000b15000,fffffd8069eecd00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d01,ffff8000234d5d98,ffff8000234d6000,2) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff8000234d5bf0) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806ed3c5c8,ffff8000234d5d98,11,fffffd807f7b7900) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd8067feee40,ffff8000234d5d98,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff80002123c7e8,f0,ffff8000234d5d98,0,ffff8000234d5e80) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff80002123c7e8,ffff8000234d5e30,ffff8000234d5e80) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff8000234d5f00) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000234d5f00) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1e2220e2f0, count: -13