login: uvm_fault(0xffffffff8285b1b8, 0xfffffd0000000008, 0, 2) -> e kernel: page fault trap, code=0 Stopped at soreceive+0x1100: movq %rbx,0x8(%r13) ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic kernel page fault uvm_fault(0xffffffff8285b1b8, 0xfffffd0000000008, 0, 2) -> e soreceive(fffffd806f6844b0,0,ffff800020e1d5b8,0,0,ffff800020e1d4c4) at soreceive+0x1100 sbsync sys/kern/uipc_socket.c:661 [inline] soreceive(fffffd806f6844b0,0,ffff800020e1d5b8,0,0,ffff800020e1d4c4) at soreceive+0x1100 sys/kern/uipc_socket.c:855 end trace frame: 0xffff800020e1d500, count: 0 ddb{0}> trace soreceive(fffffd806f6844b0,0,ffff800020e1d5b8,0,0,ffff800020e1d4c4) at soreceive+0x1100 sbsync sys/kern/uipc_socket.c:661 [inline] soreceive(fffffd806f6844b0,0,ffff800020e1d5b8,0,0,ffff800020e1d4c4) at soreceive+0x1100 sys/kern/uipc_socket.c:855 soo_read(fffffd8076807130,ffff800020e1d5b8,0) at soo_read+0x53 sys/kern/sys_socket.c:70 dofilereadv(ffff800020ddd388,6,ffff800020e1d5b8,0,ffff800020e1d6a0) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237 sys_read(ffff800020ddd388,ffff800020e1d650,ffff800020e1d6a0) at sys_read+0x83 sys/kern/sys_generic.c:157 syscall(ffff800020e1d720) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e1d720) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffdabe0, count: -6 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff800020e1d4a0 rbx 0xfffffd806abc7100 rdx 0x5f236 acpi_pdirpa+0x4b09e rcx 0 rax 0 r8 0xffffffff8213b281 soreceive+0x5c1 r9 0x3 r10 0x9118346b7053112a r11 0xb6f4f45a504b938c r12 0xd52 r13 0xfffffd0000000000 r14 0 r15 0xfffffd806f6844b0 rip 0xffffffff8213bdc0 soreceive+0x1100 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800020e1d3b0 ss 0x10 soreceive+0x1100: movq %rbx,0x8(%r13) ddb{0}> show proc PROC (dhclient) pid=511370 stat=onproc flags process=0 proc=0 pri=24, usrpri=51, nice=20 forw=0xffffffffffffffff, list=0xffff800020ddc758,0xffff800020ddd608 process=0xffff800020df0b98 user=0xffff800020e18000, vmspace=0xfffffd807f000170 estcpu=1, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 82307 226956 47476 0 3 0x80 nanosleep syz-executor.0 82307 100145 47476 0 3 0x4000080 ttyout syz-executor.0 82307 129802 47476 0 3 0x4000080 fsleep syz-executor.0 82307 450297 47476 0 3 0x4000080 fsleep syz-executor.0 46545 338633 0 0 3 0x14200 bored sosplice 47476 223715 6696 0 3 0x82 nanosleep syz-executor.0 6696 61944 29830 0 3 0x82 thrsleep syz-fuzzer 6696 36417 29830 0 2 0x4000482 syz-fuzzer 6696 32403 29830 0 3 0x4000082 thrsleep syz-fuzzer 6696 184217 29830 0 2 0x4000002 syz-fuzzer 6696 65323 29830 0 3 0x4000082 thrsleep syz-fuzzer 6696 391123 29830 0 2 0x4000002 syz-fuzzer 6696 503617 29830 0 3 0x4000082 thrsleep syz-fuzzer 6696 11657 29830 0 3 0x4000082 kqread syz-fuzzer 6696 400923 29830 0 3 0x4000082 thrsleep syz-fuzzer 6696 351109 29830 0 3 0x4000082 thrsleep syz-fuzzer 29830 401854 66278 0 3 0x10008a pause ksh 66278 46136 10746 0 3 0x92 select sshd 92327 386708 1 0 3 0x100083 ttyin getty 10746 151011 1 0 3 0x80 select sshd 47461 520613 79971 74 3 0x100092 bpf pflogd 79971 180918 1 0 3 0x80 netio pflogd 24394 468654 85310 73 3 0x100090 kqread syslogd 85310 313003 1 0 3 0x100082 netio syslogd 61560 427824 1 77 3 0x100090 poll dhclient *83229 511370 1 0 7 0 dhclient 65127 134947 0 0 3 0x14200 bored smr 30039 521378 0 0 2 0x14200 zerothread 68356 109442 0 0 3 0x14200 aiodoned aiodoned 98787 467732 0 0 3 0x14200 syncer update 92619 293571 0 0 3 0x14200 cleaner cleaner 36333 112004 0 0 7 0x14200 reaper 2806 267950 0 0 3 0x14200 pgdaemon pagedaemon 6460 4225 0 0 3 0x14200 bored crynlk 28077 520362 0 0 3 0x14200 bored crypto 56843 265176 0 0 3 0x40014200 acpi0 acpi0 89784 493910 0 0 3 0x40014200 idle1 16320 178386 0 0 2 0x14200 softnet 83025 274356 0 0 3 0x14200 bored systqmp 2003 47428 0 0 3 0x14200 bored systq 74160 105084 0 0 3 0x40014200 bored softclock 84333 125041 0 0 3 0x40014200 idle0 1 262389 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 83229 (dhclient) thread 0xffff800020ddd388 (511370) exclusive kernel_lock &kernel_lock r = 1 (0xffffffff82928050) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 solock+0x66 sys/kern/uipc_socket2.c:292 #2 soreceive+0x114 sys/kern/uipc_socket.c:737 #3 soo_read+0x53 sys/kern/sys_socket.c:70 #4 dofilereadv+0x1a1 sys/kern/sys_generic.c:237 #5 sys_read+0x83 sys/kern/sys_generic.c:157 #6 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #6 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #7 Xsyscall+0x128 Process 16320 (softnet) thread 0xffff800020d88000 (178386) shared rwlock softnet r = 0 (0xffff80000002c070) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 taskq_thread+0xdf sys/kern/kern_task.c:436 #2 proc_trampoline+0x1c ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9474 6405K 6731K 78643K 10669 0 pcb 13 8K 8K 78643K 47 0 rtable 52 1K 5K 78643K 250 0 ifaddr 35 9K 11K 78643K 67 0 counters 41 33K 34K 78643K 45 0 ioctlops 0 0K 4K 78643K 1492 0 iov 0 0K 12K 78643K 11 0 mount 1 1K 1K 78643K 1 0 vnodes 1219 77K 77K 78643K 1265 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 5 0 VM map 2 1K 1K 78643K 2 0 sem 11 1K 1K 78643K 21 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 4 9K 25K 78643K 141 0 sigio 0 0K 0K 78643K 2 0 proc 60 63K 95K 78643K 447 0 subproc 16 1K 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 8 0 in_multi 30 1K 2K 78643K 60 0 ether_multi 1 0K 0K 78643K 3 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 1K 78643K 216 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 139 72K 72K 78643K 1396 0 UVM aobj 8 4K 4K 78643K 8 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 16 0 NDP 5 0K 0K 78643K 11 0 temp 83 3862K 3926K 78643K 3540 0 kqueue 3 4K 8K 78643K 9 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 2 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 21 0 19 1 0 1 1 0 8 0 rtentry 112 47 0 30 2 0 2 2 0 8 0 unpcb 120 79 0 69 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 73 0 73 1 1 0 1 0 8 0 tcpcb 544 38 0 34 1 0 1 1 0 8 0 inpcb 296 232 0 224 3 1 2 2 0 8 1 nd6 48 8 0 7 1 0 1 1 0 8 0 pffrag 232 1 0 0 1 0 1 1 0 482 0 pffrnode 88 1 0 0 1 0 1 1 0 8 0 pffrent 40 4 0 3 2 1 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 12 0 12 1 1 0 1 0 8 0 pftag 88 4 0 4 1 1 0 1 0 8 0 pfstitem 24 15 0 7 1 0 1 1 0 8 0 pfstkey 112 15 0 7 1 0 1 1 0 8 0 pfstate 328 15 0 7 1 0 1 1 0 8 0 pfrule 1360 27 0 20 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 188 0 101 12 1 11 12 0 8 2 art_table 32 189 0 101 2 0 2 2 0 8 0 art_node 16 46 0 31 1 0 1 1 0 8 0 sysvmsgpl 40 10 0 8 1 0 1 1 0 8 0 semupl 112 7 0 7 1 1 0 1 0 8 0 semapl 112 13 0 4 1 0 1 1 0 8 0 shmpl 112 6 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1582 0 174 89 0 89 89 0 8 0 ffsino 272 1582 0 174 95 0 95 95 0 8 0 nchpl 144 1963 0 354 60 0 60 60 0 8 0 uvmvnodes 72 1649 0 0 30 0 30 30 0 8 0 vnodes 208 1649 0 0 87 0 87 87 0 8 0 namei 1024 5501 0 5501 1 0 1 1 0 8 1 percpumem 16 33 0 2 1 0 1 1 0 8 0 vcpupl 1984 4 0 0 1 0 1 1 0 8 0 vmpool 560 4 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 4 0 4 1 1 0 1 0 8 0 scxspl 192 6313 0 6313 8 7 1 7 0 8 1 plimitpl 152 18 0 9 1 0 1 1 0 8 0 sigapl 424 357 0 326 4 0 4 4 0 8 0 futexpl 56 1834 0 1832 1 0 1 1 0 8 0 knotepl 112 68 0 51 1 0 1 1 0 8 0 kqueuepl 144 14 0 12 1 0 1 1 0 8 0 pipelkpl 48 93 0 84 1 0 1 1 0 8 0 pipepl 120 186 0 171 1 0 1 1 0 8 0 fdescpl 496 341 0 326 3 0 3 3 0 8 0 filepl 152 2037 0 1954 5 0 5 5 0 8 1 lockfpl 104 28 0 27 1 0 1 1 0 8 0 lockfspl 48 11 0 10 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 20 0 9 1 0 1 1 0 8 0 ucredpl 96 388 0 379 1 0 1 1 0 8 0 zombiepl 144 326 0 325 1 0 1 1 0 8 0 processpl 984 357 0 325 5 0 5 5 0 8 0 procpl 624 618 0 574 4 0 4 4 0 8 0 sockpl 400 332 0 312 3 0 3 3 0 8 0 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 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 5 0 0 1 0 1 1 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 202 0 0 25 0 25 25 0 8 0 mtagpl 96 5 0 0 1 0 1 1 0 8 0 mbufpl 256 209 0 0 13 0 13 13 0 8 0 bufpl 280 3989 0 134 276 0 276 276 0 8 0 anonpl 16 47037 0 30502 69 1 68 68 0 124 1 amapchunkpl 152 1823 0 1665 13 6 7 13 0 158 0 amappl16 192 1452 0 559 46 0 46 46 0 8 1 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 76 0 72 1 0 1 1 0 8 0 amappl13 168 29 0 26 1 0 1 1 0 8 0 amappl12 160 57 0 54 1 0 1 1 0 8 0 amappl11 152 56 0 40 1 0 1 1 0 8 0 amappl10 144 82 0 75 1 0 1 1 0 8 0 amappl9 136 390 0 389 1 0 1 1 0 8 0 amappl8 128 350 0 317 2 0 2 2 0 8 0 amappl7 120 120 0 107 1 0 1 1 0 8 0 amappl6 112 28 0 22 1 0 1 1 0 8 0 amappl5 104 237 0 218 1 0 1 1 0 8 0 amappl4 96 485 0 458 1 0 1 1 0 8 0 amappl3 88 107 0 101 1 0 1 1 0 8 0 amappl2 80 1817 0 1738 2 0 2 2 0 8 0 amappl1 72 17514 0 17060 23 13 10 18 0 8 0 amappl 80 869 0 818 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 7 0 0 1 0 1 1 0 8 0 uaddrrnd 24 345 0 326 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 345 0 326 1 0 1 1 0 8 0 vmmpekpl 168 6765 0 6730 2 0 2 2 0 8 0 vmmpepl 168 48578 0 46506 118 22 96 115 0 357 4 vmsppl 368 344 0 325 2 0 2 2 0 8 0 pdppl 4096 697 0 654 6 0 6 6 0 8 0 pvpl 32 160572 0 140795 165 4 161 163 0 265 0 pmappl 232 344 0 325 3 1 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 261 0 4 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace soreceive(fffffd806f6844b0,0,ffff800020e1d5b8,0,0,ffff800020e1d4c4) at soreceive+0x1100 sbsync sys/kern/uipc_socket.c:661 [inline] soreceive(fffffd806f6844b0,0,ffff800020e1d5b8,0,0,ffff800020e1d4c4) at soreceive+0x1100 sys/kern/uipc_socket.c:855 soo_read(fffffd8076807130,ffff800020e1d5b8,0) at soo_read+0x53 sys/kern/sys_socket.c:70 dofilereadv(ffff800020ddd388,6,ffff800020e1d5b8,0,ffff800020e1d6a0) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237 sys_read(ffff800020ddd388,ffff800020e1d650,ffff800020e1d6a0) at sys_read+0x83 sys/kern/sys_generic.c:157 syscall(ffff800020e1d720) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e1d720) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffdabe0, count: -6 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800020d70ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff82927e48) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82927e48) at __mp_lock+0x127 sys/kern/kern_lock.c:147 uvm_unmap_detach(ffff800020dcfc90,1) at uvm_unmap_detach+0xe7 sys/uvm/uvm_map.c:1581 uvm_map_teardown(fffffd806e8fd178) at uvm_map_teardown+0x25c sys/uvm/uvm_map.c:2757 uvmspace_free(fffffd806e8fd178) at uvmspace_free+0x86 sys/uvm/uvm_map.c:3646 uvm_exit(ffff800020e09730) at uvm_exit+0x29 sys/uvm/uvm_glue.c:297 reaper(ffff800020d89860) at reaper+0x189 sys/kern/kern_exit.c:456 end trace frame: 0x0, count: -9