uvm_fault(0xfffffd8008492730, 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(0xfffffd8008492730, 0xc, 0, 1) -> e pf_addr_compare(0,ffff8000222c8ba0,18) at pf_addr_compare+0x47 sys/net/pf.c:333 end trace frame: 0xffff8000222c8b60, count: 0 ddb{1}> trace pf_addr_compare(0,ffff8000222c8ba0,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff8000222c8b88,3,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000b25800,ffff8000222c8e58) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff8000222c8e58,ffff8000222c8e64,29,0,ffff800000b25800) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000b25800,fffffd8069d9ab00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(28ac,ffff8000222c91c0,ffff8000212ae000,0) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff8000222c8fa0) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd8065c1de20,ffff8000222c91c0,1,fffffd807f7b7a20) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd8067ffcdc8,ffff8000222c91c0,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff800021273508,3,ffff8000222c91c0,0,ffff8000222c92b0) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_writev(ffff800021273508,ffff8000222c9268,ffff8000222c92b0) at sys_writev+0xa7 sys/kern/sys_generic.c:312 syscall(ffff8000222c9330) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000222c9330) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4b39bb08de0, count: -13 ddb{1}> show registers rdi 0x18 rsi 0xffffffff8270a410 __sancov_gen_cov_switch_values.133 rbp 0xffff8000222c8a60 rbx 0x18 rdx 0xffff800000afa2c0 rcx 0x2 rax 0xffff800021273508 r8 0xffffffff819cefab pf_addr_compare+0x3b r9 0x1 r10 0x6926a1b45f231c47 r11 0xf402fa394a20c5f5 r12 0x18 r13 0xffff800000044ac0 r14 0xffff8000222c8ba0 r15 0 rip 0xffffffff819cefb7 pf_addr_compare+0x47 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000222c8a10 ss 0x10 pf_addr_compare+0x47: movl 0xc(%r15),%r12d ddb{1}> show proc PROC (syz-executor.0) pid=270170 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000212727e8,0xffffffff828c8868 process=0xffff800021235d98 user=0xffff8000222c4000, 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 50160 184315 43143 0 7 0 syz-executor.0 *50160 270170 43143 0 7 0x4000000 syz-executor.0 75595 259530 62546 0 3 0x82 nanoslp syz-executor.1 43143 191176 62546 0 3 0x82 nanoslp syz-executor.0 62546 229828 22537 0 3 0x82 kqread syz-fuzzer 62546 443372 22537 0 3 0x4000082 nanoslp syz-fuzzer 62546 137020 22537 0 3 0x4000082 thrsleep syz-fuzzer 62546 409146 22537 0 3 0x4000082 thrsleep syz-fuzzer 62546 90424 22537 0 3 0x4000082 thrsleep syz-fuzzer 62546 248749 22537 0 3 0x4000082 thrsleep syz-fuzzer 62546 7569 22537 0 3 0x4000082 thrsleep syz-fuzzer 62546 142214 22537 0 3 0x4000082 thrsleep syz-fuzzer 22537 372139 18109 0 3 0x10008a sigsusp ksh 18109 133453 67261 0 3 0x92 select sshd 28915 484147 1 0 3 0x100083 ttyin getty 67261 432718 1 0 3 0x80 select sshd 94930 74007 1274 74 3 0x100092 bpf pflogd 1274 78829 1 0 3 0x80 netio pflogd 67022 260027 5657 73 3 0x100090 kqread syslogd 5657 224887 1 0 3 0x100082 netio syslogd 36360 228550 1 77 3 0x100090 poll dhclient 64079 172875 1 0 3 0x80 poll dhclient 24890 183418 0 0 3 0x14200 bored smr 65000 329755 0 0 3 0x14200 pgzero zerothread 84198 62725 0 0 3 0x14200 aiodoned aiodoned 53021 16319 0 0 3 0x14200 syncer update 69142 63450 0 0 3 0x14200 cleaner cleaner 9161 319168 0 0 3 0x14200 reaper reaper 56966 72113 0 0 3 0x14200 pgdaemon pagedaemon 69549 19732 0 0 3 0x14200 bored crynlk 22161 445170 0 0 3 0x14200 bored crypto 7404 259969 0 0 3 0x14200 bored viomb 66350 357903 0 0 3 0x40014200 acpi0 acpi0 24237 521926 0 0 3 0x40014200 idle1 94709 18066 0 0 3 0x14200 bored softnet 17188 456679 0 0 3 0x14200 bored systqmp 33494 222691 0 0 3 0x14200 bored systq 22102 36526 0 0 3 0x40014200 bored softclock 43698 367853 0 0 3 0x40014200 idle0 1 78786 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 50160 (syz-executor.0) thread 0xffff800021273508 (270170) 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_writev+0xa7 sys/kern/sys_generic.c:312 #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_writev+0xa7 sys/kern/sys_generic.c:312 #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 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9487 6419K 6803K 78643K 10704 0 pcb 13 8K 8K 78643K 17 0 rtable 105 3K 3K 78643K 203 0 ifaddr 49 11K 11K 78643K 50 0 counters 46 34K 34K 78643K 46 0 ioctlops 0 0K 4K 78643K 1469 0 mount 1 1K 1K 78643K 1 0 vnodes 1222 77K 77K 78643K 1264 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 4 0K 0K 78643K 4 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 5 13K 25K 78643K 164 0 proc 60 63K 95K 78643K 448 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 2 0 in_multi 33 2K 2K 78643K 36 0 ether_multi 1 0K 0K 78643K 2 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 37 175K 175K 78643K 37 0 exec 0 0K 2K 78643K 362 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 157 27K 28K 78643K 1135 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 22 0 NDP 7 0K 0K 78643K 11 0 temp 79 3974K 4037K 78643K 2347 0 kqueue 3 4K 8K 78643K 5 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 37 0 27 1 0 1 1 0 8 0 syncache 296 4 0 4 1 1 0 1 0 8 0 tcpqe 32 1350 0 1350 3 0 3 3 0 8 3 tcpcb 736 27 0 23 2 0 2 2 0 8 1 inpcb 296 66 0 59 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 15 0 0 1 0 1 1 0 8 0 pfstkey 112 15 0 0 1 0 1 1 0 8 0 pfstate 328 15 0 0 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 256 188 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 sysvmsgpl 40 11 0 9 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 2 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1571 0 166 88 0 88 88 0 8 0 ffsino 272 1571 0 166 95 1 94 94 0 8 0 nchpl 144 1924 0 317 60 0 60 60 0 8 0 uvmvnodes 72 1649 0 0 30 0 30 30 0 8 0 vnodes 224 1649 0 0 97 0 97 97 0 8 0 namei 1024 4909 0 4909 2 1 1 1 0 8 1 percpumem 16 34 0 0 1 0 1 1 0 8 0 scxspl 216 5673 0 5673 9 1 8 8 0 8 8 plimitpl 152 19 0 11 1 0 1 1 0 8 0 sigapl 424 380 0 348 4 0 4 4 0 8 0 futexpl 56 866 0 866 1 0 1 1 0 8 1 knotepl 112 64 0 44 1 0 1 1 0 8 0 kqueuepl 168 111 0 109 1 0 1 1 0 8 0 pipepl 336 78 0 67 2 0 2 2 0 8 1 fdescpl 496 364 0 348 5 2 3 3 0 8 0 filepl 152 1455 0 1352 6 1 5 5 0 8 1 lockfpl 104 26 0 25 1 0 1 1 0 8 0 lockfspl 48 8 0 7 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 72 0 63 1 0 1 1 0 8 0 zombiepl 144 348 0 347 2 1 1 1 0 8 0 processpl 1080 380 0 347 3 0 3 3 0 8 0 procpl 672 567 0 526 5 1 4 4 0 8 0 sockpl 432 122 0 103 3 0 3 3 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 1 0 0 1 0 1 1 0 8 0 mcl4k 4096 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 406 0 0 50 0 50 50 0 8 0 mtagpl 96 10 0 0 1 0 1 1 0 8 0 mbufpl 256 429 0 0 27 1 26 27 0 8 0 bufpl 280 3469 0 181 235 0 235 235 0 8 0 anonpl 24 46070 0 30047 98 1 97 97 0 186 0 amapchunkpl 152 1746 0 1380 18 1 17 17 0 158 2 amappl16 200 1085 0 437 35 0 35 35 0 8 0 amappl15 192 2 0 0 1 0 1 1 0 8 0 amappl14 184 26 0 19 1 0 1 1 0 8 0 amappl13 176 26 0 24 1 0 1 1 0 8 0 amappl12 168 5 0 3 1 0 1 1 0 8 0 amappl11 160 57 0 40 1 0 1 1 0 8 0 amappl10 152 79 0 72 1 0 1 1 0 8 0 amappl9 144 283 0 283 1 1 0 1 0 8 0 amappl8 136 319 0 260 3 0 3 3 0 8 0 amappl7 128 244 0 236 1 0 1 1 0 8 0 amappl6 120 139 0 126 1 0 1 1 0 8 0 amappl5 112 506 0 489 1 0 1 1 0 8 0 amappl4 104 279 0 256 1 0 1 1 0 8 0 amappl3 96 126 0 116 1 0 1 1 0 8 0 amappl2 88 2029 0 1959 3 1 2 3 0 8 0 amappl1 80 19550 0 19068 27 12 15 21 0 8 4 amappl 88 862 0 770 3 0 3 3 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 24 364 0 348 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 364 0 348 1 0 1 1 0 8 0 vmmpekpl 168 6569 0 6541 2 0 2 2 0 8 0 vmmpepl 168 52783 0 50872 119 7 112 112 0 357 23 vmsppl 368 363 0 348 2 0 2 2 0 8 0 rwobjpl 56 13419 0 12026 27 5 22 22 0 8 2 pdppl 4096 735 0 696 58 13 45 45 0 8 6 pvpl 32 186981 0 167896 159 0 159 159 0 265 3 pmappl 232 363 0 348 2 0 2 2 0 8 1 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 349 0 19 11 1 10 11 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 softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x1f end of kernel end trace frame: 0x7f7ffffee890, count: -6 ddb{0}> machine ddbcpu 1 Stopped at pf_addr_compare+0x47: movl 0xc(%r15),%r12d ddb{1}> trace pf_addr_compare(0,ffff8000222c8ba0,18) at pf_addr_compare+0x47 sys/net/pf.c:333 pflog_packet(ffff8000222c8b88,3,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236 pf_test(18,1,ffff800000b25800,ffff8000222c8e58) at pf_test+0xfd2 sys/net/pf.c:7206 ip6_input_if(ffff8000222c8e58,ffff8000222c8e64,29,0,ffff800000b25800) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000b25800,fffffd8069d9ab00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(28ac,ffff8000222c91c0,ffff8000212ae000,0) at tun_dev_write+0x204 sys/net/if_tun.c:870 spec_write(ffff8000222c8fa0) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd8065c1de20,ffff8000222c91c0,1,fffffd807f7b7a20) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd8067ffcdc8,ffff8000222c91c0,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff800021273508,3,ffff8000222c91c0,0,ffff8000222c92b0) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_writev(ffff800021273508,ffff8000222c9268,ffff8000222c92b0) at sys_writev+0xa7 sys/kern/sys_generic.c:312 syscall(ffff8000222c9330) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000222c9330) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4b39bb08de0, count: -13