uvm_fault(0xffffffff827af918, 0xffffffff826ad638, 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(0xffffffff827af918, 0xffffffff826ad638, 0, 2) -> e m_copyback(ffff8000212efc20,138,0,ffff8000212efde4,2) at m_copyback+0x119 m_get sys/sys/percpu.h:125 [inline] m_copyback(ffff8000212efc20,138,0,ffff8000212efde4,2) at m_copyback+0x119 sys/kern/uipc_mbuf.c:756 end trace frame: 0xffff8000212efea0, count: 0 ddb{0}> trace m_copyback(ffff8000212efc20,138,0,ffff8000212efde4,2) at m_copyback+0x119 m_get sys/sys/percpu.h:125 [inline] m_copyback(ffff8000212efc20,138,0,ffff8000212efde4,2) at m_copyback+0x119 sys/kern/uipc_mbuf.c:756 pflog_mtap(ffff800000044980,ffff8000212efec8,fffffd807acf4700) at pflog_mtap+0x446 sys/net/if_pflog.c:390 pflog_packet(ffff8000212effc8,0,ffff800000abf558,0,ffffffff8288a538,0) at pflog_packet+0x3a4 pf_test(18,1,ffff800000b6c000,ffff8000212f0298) at pf_test+0xfc5 sys/net/pf.c:7226 ip6_input_if(ffff8000212f0298,ffff8000212f02a4,29,0,ffff800000b6c000) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000b6c000,fffffd807acf4700) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d00,ffff8000212f0588,ffff800024179000,2) at tun_dev_write+0x204 sys/net/if_tun.c:867 spec_write(ffff8000212f03e0) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd80709a4418,ffff8000212f0588,11,fffffd807f7bf960) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd806a1deb68,ffff8000212f0588,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff8000212f2790,f0,ffff8000212f0588,0,ffff8000212f0670) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff8000212f2790,ffff8000212f0620,ffff8000212f0670) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff8000212f06f0) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000212f06f0) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:566 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc1d4dd2eba0, count: -14 ddb{0}> show registers rdi 0 rsi 0x96c0b acpi_pdirpa+0x82a73 rbp 0xffff8000212efc00 rbx 0xffffffffffffe016 rdx 0x96c0a acpi_pdirpa+0x82a72 rcx 0xffffffff826bd580 mbstat_boot_boot_cpumem rax 0 r8 0x2 r9 0x1 r10 0x5e0d3a5766837738 r11 0xfabc608372d683e7 r12 0xfffffd8071513500 r13 0x108 r14 0x30 r15 0xffff8000212efe00 rip 0xffffffff8115d729 m_copyback+0x119 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000212efb40 ss 0x10 m_copyback+0x119: addq $0x1,0x8(%rcx,%rbx,8) ddb{0}> show proc PROC (syz-executor.0) pid=156419 stat=onproc flags process=0 proc=4000000 pri=80, usrpri=80, nice=20 forw=0xffffffffffffffff, list=0xffff8000212f33e8,0xffffffff828931e0 process=0xffff800023372fc0 user=0xffff8000212eb000, vmspace=0xfffffd807effe8a0 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 74607 249639 55854 0 2 0 syz-executor.0 *74607 156419 55854 0 7 0x4000000 syz-executor.0 97937 215642 0 0 3 0x14280 nfsidl nfsio 86282 495443 0 0 3 0x14280 nfsidl nfsio 87380 15658 0 0 3 0x14280 nfsidl nfsio 28301 58361 0 0 3 0x14280 nfsidl nfsio 8561 92227 0 0 3 0x14280 nfsidl nfsio 7795 231406 0 0 3 0x14280 nfsidl nfsio 22507 8766 0 0 3 0x14280 nfsidl nfsio 17806 206020 0 0 3 0x14280 nfsidl nfsio 82453 40729 0 0 3 0x14280 nfsidl nfsio 72545 88693 0 0 3 0x14280 nfsidl nfsio 40779 256299 0 0 3 0x14280 nfsidl nfsio 49095 239529 0 0 3 0x14280 nfsidl nfsio 30963 135407 0 0 3 0x14280 nfsidl nfsio 82699 211987 0 0 3 0x14280 nfsidl nfsio 31571 402982 0 0 3 0x14280 nfsidl nfsio 75334 24843 0 0 3 0x14280 nfsidl nfsio 91500 232351 0 0 3 0x14280 nfsidl nfsio 10658 22439 0 0 3 0x14280 nfsidl nfsio 52048 511631 0 0 3 0x14280 nfsidl nfsio 23455 408783 0 0 3 0x14280 nfsidl nfsio 55854 56890 12738 0 3 0x82 nanosleep syz-executor.0 57841 291424 12738 0 3 0x2 biowait syz-executor.1 12836 162310 1 0 3 0x100083 ttyin getty 58742 55635 0 0 3 0x14200 bored sosplice 12738 139997 831 0 3 0x82 thrsleep syz-fuzzer 12738 140582 831 0 3 0x4000082 nanosleep syz-fuzzer 12738 366086 831 0 3 0x4000082 thrsleep syz-fuzzer 12738 446825 831 0 3 0x4000082 thrsleep syz-fuzzer 12738 36971 831 0 3 0x4000082 kqread syz-fuzzer 12738 138873 831 0 3 0x4000082 thrsleep syz-fuzzer 12738 412781 831 0 3 0x4000082 thrsleep syz-fuzzer 12738 85041 831 0 3 0x4000082 nanosleep syz-fuzzer 831 163826 57777 0 3 0x10008a pause ksh 57777 229977 14072 0 3 0x92 select sshd 14072 384895 1 0 3 0x80 select sshd 91200 495133 58475 74 3 0x100092 bpf pflogd 58475 8945 1 0 3 0x80 netio pflogd 53688 483945 52862 73 3 0x100090 kqread syslogd 52862 485769 1 0 3 0x100082 netio syslogd 34467 510711 1 77 3 0x100090 poll dhclient 55634 64522 1 0 3 0x80 poll dhclient 12335 211490 0 0 3 0x14200 bored smr 45091 435268 0 0 2 0x14200 zerothread 50971 60841 0 0 3 0x14200 aiodoned aiodoned 52936 367915 0 0 3 0x14200 syncer update 73904 399420 0 0 3 0x14200 cleaner cleaner 6276 490753 0 0 3 0x14200 reaper reaper 30731 490173 0 0 3 0x14200 pgdaemon pagedaemon 58523 255943 0 0 3 0x14200 bored crynlk 82120 34762 0 0 3 0x14200 bored crypto 68247 240716 0 0 3 0x40014200 acpi0 acpi0 63390 53675 0 0 7 0x40014200 idle1 91398 2848 0 0 3 0x14200 bored softnet 82807 383899 0 0 3 0x14200 bored systqmp 76393 482699 0 0 3 0x14200 bored systq 16158 323194 0 0 3 0x40014200 bored softclock 62834 217589 0 0 3 0x40014200 idle0 1 372312 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 74607 (syz-executor.0) thread 0xffff8000212f2790 (156419) Process 57841 (syz-executor.1) thread 0xffff80002129fb40 (291424) ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9538 6419K 7435K 78643K 16175 0 pcb 13 8K 8K 78643K 372 0 rtable 114 5K 7K 78643K 1029 0 ifaddr 84 15K 16K 78643K 335 0 sysctl 1 1K 1K 78643K 1 0 counters 43 33K 34K 78643K 133 0 ioctlops 0 0K 4K 78643K 1671 0 iov 0 0K 16K 78643K 149 0 mount 1 1K 1K 78643K 1 0 vnodes 1219 77K 78K 78643K 3086 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 29 0 VM map 2 1K 1K 78643K 2 0 sem 10 1K 1K 78643K 17 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 5 13K 25K 78643K 5414 0 sigio 0 0K 0K 78643K 59 0 proc 62 63K 95K 78643K 905 0 subproc 32 2K 2K 78643K 119 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 273 0 in_multi 33 2K 2K 78643K 242 0 ether_multi 1 0K 0K 78643K 52 0 mrt 0 0K 0K 78643K 64 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 582 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 182 33K 37K 78643K 12766 0 UVM aobj 7 6K 6K 78643K 7 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 278 0 NDP 15 0K 0K 78643K 75 0 temp 144 3968K 4080K 78643K 26219 0 kqueue 3 4K 9K 78643K 183 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 19 0 13 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 96 146 0 144 1 0 1 1 0 8 0 rtentry 112 146 0 102 2 0 2 2 0 8 0 unpcb 120 1561 0 1550 2 1 1 2 0 8 0 syncache 272 47 0 47 7 6 1 1 0 8 1 tcpqe 32 3 0 3 2 2 0 1 0 8 0 tcpcb 592 752 0 747 17 14 3 4 0 8 2 inpcb 296 2309 0 2301 9 7 2 2 0 8 1 rttmr 72 27 0 27 3 3 0 1 0 8 0 nd6 48 21 0 15 1 0 1 1 0 8 0 pkpcb 40 51 0 51 3 3 0 1 0 8 0 kcovpl 48 7 0 5 1 0 1 1 0 8 0 ppxss 1128 15 0 15 3 2 1 1 0 8 1 pffrag 232 12 0 12 2 2 0 1 0 482 0 pffrnode 88 12 0 12 2 2 0 1 0 8 0 pffrent 40 454 0 454 2 2 0 1 0 8 0 pfosfp 40 846 0 846 5 5 0 5 0 8 0 pfosfpen 112 1428 0 1428 21 21 0 21 0 8 0 pfrktable 1344 72 0 69 1 0 1 1 0 8 0 pftag 88 6 0 5 1 0 1 1 0 8 0 pfstitem 24 29 0 27 1 0 1 1 0 8 0 pfstkey 112 29 0 27 1 0 1 1 0 8 0 pfstate 328 29 0 27 2 1 1 2 0 8 0 pfrule 1360 71 0 48 4 2 2 3 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 433 0 238 14 1 13 13 0 8 0 art_table 32 434 0 238 2 0 2 2 0 8 0 art_node 16 145 0 105 1 0 1 1 0 8 0 sysvmsgpl 40 78 0 38 1 0 1 1 0 8 0 semupl 112 6 0 6 1 1 0 1 0 8 0 semapl 112 8 0 0 1 0 1 1 0 8 0 shmpl 112 4 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 8077 0 6675 93 4 89 89 0 8 0 ffsino 272 8077 0 6675 95 0 95 95 0 8 0 nchpl 144 14266 0 12676 60 0 60 60 0 8 0 uvmvnodes 72 5926 0 0 108 0 108 108 0 8 0 vnodes 208 5926 0 0 312 0 312 312 0 8 0 namei 1024 36085 0 36085 1 0 1 1 0 8 1 percpumem 16 77 0 45 1 0 1 1 0 8 0 vmpool 560 13 0 13 2 2 0 1 0 8 0 pfiaddrpl 120 26 0 23 1 0 1 1 0 8 0 scxspl 192 42288 0 42287 8 7 1 7 0 8 0 plimitpl 152 249 0 241 1 0 1 1 0 8 0 sigapl 424 5644 0 5592 6 0 6 6 0 8 0 futexpl 56 38884 0 38884 1 0 1 1 0 8 1 knotepl 112 296 0 276 1 0 1 1 0 8 0 kqueuepl 152 2642 0 2615 2 0 2 2 0 8 0 pipepl 304 252 0 241 12 11 1 2 0 8 0 fdescpl 496 5600 0 5584 3 0 3 3 0 8 0 filepl 152 19013 0 18911 7 2 5 7 0 8 1 lockfpl 104 663 0 662 1 0 1 1 0 8 0 lockfspl 48 263 0 262 1 0 1 1 0 8 0 sessionpl 120 24 0 13 1 0 1 1 0 8 0 pgrppl 48 61 0 50 1 0 1 1 0 8 0 ucredpl 96 2467 0 2458 1 0 1 1 0 8 0 zombiepl 144 5592 0 5592 1 0 1 1 0 8 1 processpl 1008 5644 0 5592 7 0 7 7 0 8 0 procpl 632 11767 0 11707 6 0 6 6 0 8 0 sosppl 144 65 0 65 4 4 0 1 0 8 0 sockpl 400 4068 0 4047 14 10 4 7 0 8 1 mcl64k 65536 12 0 0 2 0 2 2 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 5 0 0 1 0 1 1 0 8 0 mcl9k 9216 5 0 0 1 0 1 1 0 8 0 mcl8k 8192 15 0 0 2 0 2 2 0 8 0 mcl4k 4096 15 0 0 2 0 2 2 0 8 0 mcl2k 2048 225 0 0 22 0 22 22 0 8 0 mtagpl 96 220 0 0 5 0 5 5 0 8 0 mbufpl 256 641 0 0 38 0 38 38 0 8 0 bufpl 280 10513 0 4265 447 0 447 447 0 8 0 anonpl 16 475774 0 468411 76 46 30 54 0 124 0 amapchunkpl 152 24445 0 24230 34 25 9 23 0 158 0 amappl16 192 21703 0 21464 53 40 13 33 0 8 0 amappl15 184 238 0 236 3 2 1 1 0 8 0 amappl14 176 997 0 992 1 0 1 1 0 8 0 amappl13 168 84 0 82 1 0 1 1 0 8 0 amappl12 160 29 0 22 1 0 1 1 0 8 0 amappl11 152 1758 0 1743 1 0 1 1 0 8 0 amappl10 144 240 0 236 1 0 1 1 0 8 0 amappl9 136 1703 0 1700 1 0 1 1 0 8 0 amappl8 128 356 0 255 4 0 4 4 0 8 0 amappl7 120 1651 0 1643 1 0 1 1 0 8 0 amappl6 112 338 0 317 1 0 1 1 0 8 0 amappl5 104 6189 0 6169 1 0 1 1 0 8 0 amappl4 96 1621 0 1590 1 0 1 1 0 8 0 amappl3 88 249 0 241 1 0 1 1 0 8 0 amappl2 80 39364 0 39299 2 0 2 2 0 8 0 amappl1 72 164771 0 164291 23 12 11 19 0 8 0 amappl 80 12137 0 12062 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 6 0 0 1 0 1 1 0 8 0 uaddrrnd 24 5613 0 5597 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 5613 0 5597 1 0 1 1 0 8 0 vmmpekpl 168 27799 0 27758 3 1 2 2 0 8 0 vmmpepl 168 697103 0 695564 123 50 73 89 0 357 2 vmsppl 368 5612 0 5597 2 0 2 2 0 8 0 pdppl 4096 11233 0 11194 6 0 6 6 0 8 0 pvpl 32 1816118 0 1805484 211 121 90 143 0 265 3 pmappl 232 5612 0 5597 3 2 1 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 309 0 25 9 0 9 9 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace m_copyback(ffff8000212efc20,138,0,ffff8000212efde4,2) at m_copyback+0x119 m_get sys/sys/percpu.h:125 [inline] m_copyback(ffff8000212efc20,138,0,ffff8000212efde4,2) at m_copyback+0x119 sys/kern/uipc_mbuf.c:756 pflog_mtap(ffff800000044980,ffff8000212efec8,fffffd807acf4700) at pflog_mtap+0x446 sys/net/if_pflog.c:390 pflog_packet(ffff8000212effc8,0,ffff800000abf558,0,ffffffff8288a538,0) at pflog_packet+0x3a4 pf_test(18,1,ffff800000b6c000,ffff8000212f0298) at pf_test+0xfc5 sys/net/pf.c:7226 ip6_input_if(ffff8000212f0298,ffff8000212f02a4,29,0,ffff800000b6c000) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300 ipv6_input(ffff800000b6c000,fffffd807acf4700) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 tun_dev_write(5d00,ffff8000212f0588,ffff800024179000,2) at tun_dev_write+0x204 sys/net/if_tun.c:867 spec_write(ffff8000212f03e0) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd80709a4418,ffff8000212f0588,11,fffffd807f7bf960) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274 vn_write(fffffd806a1deb68,ffff8000212f0588,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff8000212f2790,f0,ffff8000212f0588,0,ffff8000212f0670) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff8000212f2790,ffff8000212f0620,ffff8000212f0670) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff8000212f06f0) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000212f06f0) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:566 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc1d4dd2eba0, 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 acpicpu_idle() at acpicpu_idle+0x2eb sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800020d80ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178 end trace frame: 0x0, count: -5