uvm_fault(0xffffffff8277aa10, 0xffffffff82679710, 0, 2) -> e kernel: page fault trap, code=0 Stopped at m_copyback+0x119: addq $0x1,0x8(%rcx,%rbx,8) ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic kernel page fault uvm_fault(0xffffffff8277aa10, 0xffffffff82679710, 0, 2) -> e m_copyback(ffff800023109720,138,0,ffff8000231098e4,2) at m_copyback+0x119 m_get sys/sys/percpu.h:125 [inline] m_copyback(ffff800023109720,138,0,ffff8000231098e4,2) at m_copyback+0x119 sys/kern/uipc_mbuf.c:756 end trace frame: 0xffff8000231099a0, count: 0 ddb{0}> trace m_copyback(ffff800023109720,138,0,ffff8000231098e4,2) at m_copyback+0x119 m_get sys/sys/percpu.h:125 [inline] m_copyback(ffff800023109720,138,0,ffff8000231098e4,2) at m_copyback+0x119 sys/kern/uipc_mbuf.c:756 pflog_mtap(ffff800000044900,ffff8000231099c8,fffffd806a035600) at pflog_mtap+0x446 sys/net/if_pflog.c:389 pflog_packet(ffff800023109ac8,0,ffff800000ac0548,0,ffffffff82879b30,0) at pflog_packet+0x3a4 pf_test(18,1,ffff800000adc000,ffff800023109d98) at pf_test+0xfc5 sys/net/pf.c:7226 ip6_input_if(ffff800023109d98,ffff800023109da4,29,0,ffff800000adc000) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000adc000,fffffd806a035600) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d00,ffff80002310a088,ffff800020eed000,2) at tun_dev_write+0x204 sys/net/if_tun.c:868 spec_write(ffff800023109ee0) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd80716d54e8,ffff80002310a088,11,fffffd807f7bf900) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:268 vn_write(fffffd80670cc3a8,ffff80002310a088,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff800020eb0ee8,f0,ffff80002310a088,0,ffff80002310a170) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff800020eb0ee8,ffff80002310a120,ffff80002310a170) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff80002310a1f0) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002310a1f0) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5cc6a5ef330, count: -14 ddb{0}> show registers rdi 0 rsi 0x65b3f acpi_pdirpa+0x519a7 rbp 0xffff800023109700 rbx 0xffffffffffff8f99 rdx 0x65b3e acpi_pdirpa+0x519a6 rcx 0xffffffff826b1a40 mbstat_boot_boot_cpumem rax 0 r8 0x2 r9 0xffffffff81e7a848 pf_translate_a+0x1a8 r10 0x1 r11 0x2b5850239bbd4547 r12 0xfffffd80712c1900 r13 0x108 r14 0x30 r15 0xffff800023109900 rip 0xffffffff81142cf9 m_copyback+0x119 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800023109640 ss 0x10 m_copyback+0x119: addq $0x1,0x8(%rcx,%rbx,8) ddb{0}> show proc PROC (syz-executor.0) pid=509135 stat=onproc flags process=10 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020eb0c70,0xffffffff82888178 process=0xffff800020eb2bd8 user=0xffff800023105000, vmspace=0xfffffd807effe2e0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 96302 118603 74223 60928 7 0x10 syz-executor.0 *96302 509135 74223 60928 7 0x4000010 syz-executor.0 55711 478208 52483 0 2 0 syz-executor.1 55711 263928 52483 0 3 0x4000080 kqread syz-executor.1 21251 366527 0 0 3 0x14200 bored sosplice 52483 330785 89727 0 3 0x82 nanosleep syz-executor.1 74223 118893 89727 0 3 0x82 nanosleep syz-executor.0 89727 455575 74916 0 3 0x82 thrsleep syz-fuzzer 89727 73478 74916 0 3 0x4000082 thrsleep syz-fuzzer 89727 224912 74916 0 3 0x4000082 thrsleep syz-fuzzer 89727 373346 74916 0 3 0x4000082 thrsleep syz-fuzzer 89727 453817 74916 0 3 0x4000082 thrsleep syz-fuzzer 89727 519753 74916 0 3 0x4000082 thrsleep syz-fuzzer 89727 26040 74916 0 3 0x4000082 thrsleep syz-fuzzer 89727 341371 74916 0 3 0x4000082 kqread syz-fuzzer 74916 230213 80195 0 3 0x10008a pause ksh 80195 176302 22321 0 3 0x92 select sshd 73533 178261 1 0 3 0x100083 ttyin getty 22321 364726 1 0 3 0x80 select sshd 98975 47837 32954 74 3 0x100092 bpf pflogd 32954 179290 1 0 3 0x80 netio pflogd 14877 377361 40526 73 3 0x100090 kqread syslogd 40526 422687 1 0 3 0x100082 netio syslogd 27790 255573 1 77 3 0x100090 poll dhclient 21339 137980 1 0 3 0x80 poll dhclient 28969 43463 0 0 3 0x14200 bored smr 72841 415012 0 0 2 0x14200 zerothread 18079 93889 0 0 3 0x14200 aiodoned aiodoned 89501 228846 0 0 3 0x14200 syncer update 41153 449164 0 0 3 0x14200 cleaner cleaner 25871 62649 0 0 3 0x14200 reaper reaper 79344 495085 0 0 3 0x14200 pgdaemon pagedaemon 72286 162020 0 0 3 0x14200 bored crynlk 94844 342970 0 0 3 0x14200 bored crypto 14409 181438 0 0 3 0x40014200 acpi0 acpi0 28756 190345 0 0 3 0x40014200 idle1 54087 122462 0 0 3 0x14200 bored softnet 99906 333877 0 0 3 0x14200 bored systqmp 14479 202485 0 0 3 0x14200 bored systq 56672 10252 0 0 3 0x40014200 bored softclock 95811 467422 0 0 3 0x40014200 idle0 1 135431 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 96302 (syz-executor.0) thread 0xffff800020eb0ee8 (509135) exclusive rwlock netlock r = 0 (0xffffffff827435e0) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1164 #1 tun_dev_write+0x1f9 sys/net/if_tun.c:867 #2 spec_write+0xd4 sys/kern/spec_vnops.c:309 #3 VOP_WRITE+0xc6 sys/kern/vfs_vops.c:268 #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:570 #8 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff8289f9d8) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1164 #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:570 #5 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9472 6397K 6526K 78643K 10582 0 pcb 13 8K 8K 78643K 25 0 rtable 110 4K 5K 78643K 206 0 ifaddr 45 10K 10K 78643K 46 0 sysctl 2 0K 0K 78643K 2 0 counters 43 33K 33K 78643K 43 0 ioctlops 0 0K 4K 78643K 1476 0 mount 1 1K 1K 78643K 1 0 vnodes 1219 77K 77K 78643K 1228 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 3 0 VM map 2 1K 1K 78643K 2 0 sem 7 0K 0K 78643K 7 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 6 17K 25K 78643K 78 0 proc 60 63K 95K 78643K 449 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 4 0 in_multi 33 2K 2K 78643K 36 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 43 201K 201K 78643K 43 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 137 24K 24K 78643K 985 0 UVM aobj 11 6K 6K 78643K 11 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 6 0 NDP 6 0K 0K 78643K 10 0 temp 80 3960K 4024K 78643K 2148 0 kqueue 3 4K 8K 78643K 5 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> 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 88 19 0 17 1 0 1 1 0 8 0 rtentry 112 45 0 1 2 0 2 2 0 8 0 unpcb 120 73 0 63 1 0 1 1 0 8 0 syncache 272 4 0 4 1 1 0 1 0 8 0 tcpqe 32 182 0 182 2 2 0 1 0 8 0 tcpcb 592 31 0 27 1 0 1 1 0 8 0 inpcb 296 95 0 88 1 0 1 1 0 8 0 nd6 48 6 0 0 1 0 1 1 0 8 0 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfrktable 1344 3 0 1 1 0 1 1 0 8 0 pfstitem 24 12 0 1 1 0 1 1 0 8 0 pfstkey 112 12 0 1 1 0 1 1 0 8 0 pfstate 328 12 0 1 1 0 1 1 0 8 0 pfrule 1360 23 0 15 2 0 2 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 6 0 1 1 0 1 1 0 8 0 semapl 112 5 0 0 1 0 1 1 0 8 0 shmpl 112 8 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1479 0 74 88 0 88 88 0 8 0 ffsino 272 1479 0 74 94 0 94 94 0 8 0 nchpl 144 1763 0 158 60 0 60 60 0 8 0 uvmvnodes 72 1525 0 0 28 0 28 28 0 8 0 vnodes 208 1525 0 0 81 0 81 81 0 8 0 namei 1024 4653 0 4653 2 1 1 1 0 8 1 percpumem 16 32 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 1 0 0 1 0 1 1 0 8 0 scxspl 200 5264 0 5264 9 8 1 7 0 8 1 plimitpl 152 17 0 9 1 0 1 1 0 8 0 sigapl 424 294 0 261 4 0 4 4 0 8 0 futexpl 56 734 0 734 2 1 1 1 0 8 1 knotepl 112 64 0 44 1 0 1 1 0 8 0 kqueuepl 152 44 0 18 2 0 2 2 0 8 0 pipepl 304 106 0 95 4 1 3 3 0 8 2 fdescpl 496 278 0 261 3 0 3 3 0 8 0 filepl 152 1484 0 1380 8 1 7 7 0 8 2 lockfpl 104 21 0 20 1 0 1 1 0 8 0 lockfspl 48 7 0 6 1 0 1 1 0 8 0 sessionpl 120 18 0 7 1 0 1 1 0 8 0 pgrppl 48 20 0 9 1 0 1 1 0 8 0 ucredpl 96 122 0 111 1 0 1 1 0 8 0 zombiepl 144 261 0 261 1 0 1 1 0 8 1 processpl 1008 294 0 261 5 0 5 5 0 8 0 procpl 632 439 0 397 5 0 5 5 0 8 1 sosppl 144 2 0 2 1 1 0 1 0 8 0 sockpl 400 187 0 168 5 1 4 4 0 8 2 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 179 0 0 22 0 22 22 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 180 0 0 11 0 11 11 0 8 0 bufpl 280 3532 0 181 240 0 240 240 0 8 0 anonpl 16 46937 0 30465 70 3 67 68 0 124 0 amapchunkpl 152 1539 0 1263 14 2 12 13 0 158 0 amappl16 192 1289 0 523 41 2 39 39 0 8 0 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 22 0 18 1 0 1 1 0 8 0 amappl13 168 33 0 31 1 0 1 1 0 8 0 amappl12 160 11 0 8 1 0 1 1 0 8 0 amappl11 152 55 0 39 1 0 1 1 0 8 0 amappl10 144 35 0 27 1 0 1 1 0 8 0 amappl9 136 363 0 362 1 0 1 1 0 8 0 amappl8 128 129 0 88 2 0 2 2 0 8 0 amappl7 120 276 0 269 1 0 1 1 0 8 0 amappl6 112 129 0 113 1 0 1 1 0 8 0 amappl5 104 349 0 334 1 0 1 1 0 8 0 amappl4 96 285 0 262 1 0 1 1 0 8 0 amappl3 88 74 0 64 1 0 1 1 0 8 0 amappl2 80 1295 0 1219 3 1 2 3 0 8 0 amappl1 72 17374 0 16895 24 14 10 19 0 8 0 amappl 80 718 0 637 2 0 2 2 0 84 0 dma4096 4096 1 0 1 1 1 0 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 10 0 0 1 0 1 1 0 8 0 uaddrrnd 24 278 0 261 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 278 0 261 1 0 1 1 0 8 0 vmmpekpl 168 6527 0 6494 2 0 2 2 0 8 0 vmmpepl 168 42671 0 40591 116 24 92 110 0 357 1 vmsppl 368 277 0 261 2 0 2 2 0 8 0 pdppl 4096 563 0 522 6 0 6 6 0 8 0 pvpl 32 164173 0 143893 186 21 165 177 0 265 1 pmappl 232 277 0 261 2 1 1 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 252 0 5 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace m_copyback(ffff800023109720,138,0,ffff8000231098e4,2) at m_copyback+0x119 m_get sys/sys/percpu.h:125 [inline] m_copyback(ffff800023109720,138,0,ffff8000231098e4,2) at m_copyback+0x119 sys/kern/uipc_mbuf.c:756 pflog_mtap(ffff800000044900,ffff8000231099c8,fffffd806a035600) at pflog_mtap+0x446 sys/net/if_pflog.c:389 pflog_packet(ffff800023109ac8,0,ffff800000ac0548,0,ffffffff82879b30,0) at pflog_packet+0x3a4 pf_test(18,1,ffff800000adc000,ffff800023109d98) at pf_test+0xfc5 sys/net/pf.c:7226 ip6_input_if(ffff800023109d98,ffff800023109da4,29,0,ffff800000adc000) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000adc000,fffffd806a035600) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d00,ffff80002310a088,ffff800020eed000,2) at tun_dev_write+0x204 sys/net/if_tun.c:868 spec_write(ffff800023109ee0) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd80716d54e8,ffff80002310a088,11,fffffd807f7bf900) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:268 vn_write(fffffd80670cc3a8,ffff80002310a088,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff800020eb0ee8,f0,ffff80002310a088,0,ffff80002310a170) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff800020eb0ee8,ffff80002310a120,ffff80002310a170) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff80002310a1f0) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002310a1f0) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5cc6a5ef330, count: -14 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800020d80ff0) 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 nanotime(ffff800021ef25a8) at nanotime+0x11a BINTIME_TO_TIMESPEC sys/sys/time.h:230 [inline] nanotime(ffff800021ef25a8) at nanotime+0x11a sys/kern/kern_tc.c:278 clock_gettime(ffff800020eb0c70,0,ffff800021ef25a8) at clock_gettime+0x9d sys/kern/kern_time.c:116 sys_clock_gettime(ffff800020eb0c70,ffff800021ef2610,ffff800021ef2660) at sys_clock_gettime+0x4c sys/kern/kern_time.c:165 syscall(ffff800021ef26e0) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021ef26e0) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc4a80, count: -8