login: uvm_fault(0xffffffff827b2830, 0xfffffd0000000018, 0, 1) -> e kernel: page fault trap, code=0 Stopped at sbdrop+0x219: movl 0x18(%r15),%r13d ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic kernel page fault uvm_fault(0xffffffff827b2830, 0xfffffd0000000018, 0, 1) -> e sbdrop(ffff800020ed8478,ffff800020ed8500,441) at sbdrop+0x219 sys/kern/uipc_socket2.c:965 end trace frame: 0xffff800020ed8420, count: 0 ddb{0}> trace sbdrop(ffff800020ed8478,ffff800020ed8500,441) at sbdrop+0x219 sys/kern/uipc_socket2.c:965 sbflush(ffff800020ed8478,ffff800020ed8500) at sbflush+0x93 sys/kern/uipc_socket2.c:934 sbrelease(ffff800020ed8478,ffff800020ed8500) at sbrelease+0x2e sys/kern/uipc_socket2.c:525 sorflush(fffffd806f683190) at sorflush+0x14b sys/kern/uipc_socket.c:1137 sofree(fffffd806f683190,42) at sofree+0x147 sys/kern/uipc_socket.c:263 soclose(fffffd806f683190,80) at soclose+0x270 sys/kern/uipc_socket.c:344 soo_close(fffffd8066634d28,ffff800020e38878) at soo_close+0x40 fdrop(fffffd8066634d28,ffff800020e38878) at fdrop+0xc2 sys/kern/kern_descrip.c:1279 closef(fffffd8066634d28,ffff800020e38878) at closef+0x11c sys/kern/kern_descrip.c:1263 fdfree(ffff800020e38878) at fdfree+0x101 sys/kern/kern_descrip.c:1195 exit1(ffff800020e38878,0,0,1) at exit1+0x32c sys/kern/kern_exit.c:197 sys_exit(ffff800020e38878,ffff800020ed88d0,ffff800020ed8920) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff800020ed89a0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020ed89a0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffbf350, count: -14 ddb{0}> show registers rdi 0 rsi 0x3af rbp 0xffff800020ed83d0 rbx 0xfffffd806c997800 rdx 0x5d478 acpi_pdirpa+0x492e0 rcx 0 rax 0 r8 0xffffffff820d7818 sbdrop+0x248 r9 0x3 r10 0x4e943c8d34a16c80 r11 0x7450b007fb06c8b5 r12 0x3af r13 0xb00 r14 0xffff800020ed8500 r15 0xfffffd0000000000 rip 0xffffffff820d77e9 sbdrop+0x219 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800020ed8370 ss 0x10 sbdrop+0x219: movl 0x18(%r15),%r13d ddb{0}> show proc PROC (syz-executor.0) pid=399099 stat=onproc flags process=1008 proc=2000 pri=32, usrpri=51, nice=20 forw=0xffffffffffffffff, list=0xffff800020e38ae8,0xffffffff828b7760 process=0xffff800020eb5b40 user=0xffff800020ed3000, vmspace=0xfffffd806e8f8178 estcpu=36, cpticks=3, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 35280 381820 0 0 3 0x14200 bored sosplice 95731 251229 31644 0 3 0x82 nanosleep syz-executor.1 12246 74092 31644 0 3 0x82 nanosleep syz-executor.0 31644 194239 16824 0 3 0x82 thrsleep syz-fuzzer 31644 222883 16824 0 3 0x4000082 nanosleep syz-fuzzer 31644 84588 16824 0 3 0x4000082 thrsleep syz-fuzzer 31644 45235 16824 0 3 0x4000082 thrsleep syz-fuzzer 31644 8238 16824 0 3 0x4000082 thrsleep syz-fuzzer 31644 321041 16824 0 3 0x4000082 thrsleep syz-fuzzer 31644 187047 16824 0 3 0x4000082 thrsleep syz-fuzzer 31644 196090 16824 0 3 0x4000082 thrsleep syz-fuzzer 31644 438355 16824 0 3 0x4000082 kqread syz-fuzzer 31644 193745 16824 0 3 0x4000082 thrsleep syz-fuzzer 16824 380727 31787 0 3 0x10008a pause ksh 31787 484306 81703 0 3 0x92 select sshd 88123 40671 1 0 3 0x100083 ttyin getty 81703 232972 1 0 3 0x80 select sshd 30143 472584 26933 74 3 0x100092 bpf pflogd 26933 184574 1 0 3 0x80 netio pflogd 44757 312332 21029 73 3 0x100090 kqread syslogd 21029 506201 1 0 3 0x100082 netio syslogd 1946 214471 1 77 3 0x100090 poll dhclient 68057 142576 1 0 3 0x80 poll dhclient 79006 450688 0 0 3 0x14200 bored smr 39036 278241 0 0 2 0x14200 zerothread 46365 31185 0 0 3 0x14200 aiodoned aiodoned 33356 468718 0 0 3 0x14200 syncer update 19803 304637 0 0 3 0x14200 cleaner cleaner 83629 133121 0 0 7 0x14200 reaper 39383 214361 0 0 3 0x14200 pgdaemon pagedaemon 98587 56974 0 0 3 0x14200 bored crynlk 47183 128106 0 0 3 0x14200 bored crypto 49685 235672 0 0 3 0x40014200 acpi0 acpi0 68485 316808 0 0 3 0x40014200 idle1 82927 76193 0 0 3 0x14200 bored softnet 35418 391076 0 0 3 0x14200 bored systqmp 50873 5363 0 0 3 0x14200 bored systq 77300 135231 0 0 2 0x40014200 softclock 56669 438508 0 0 3 0x40014200 idle0 1 2784 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9505 6532K 6789K 78643K 10752 0 pcb 13 8K 8K 78643K 39 0 rtable 101 3K 3K 78643K 226 0 ifaddr 58 12K 12K 78643K 72 0 counters 43 33K 34K 78643K 45 0 ioctlops 0 0K 4K 78643K 1478 0 iov 0 0K 16K 78643K 16 0 mount 1 1K 1K 78643K 1 0 vnodes 1216 76K 77K 78643K 1263 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 1K 78643K 22 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 5 13K 25K 78643K 152 0 sigio 0 0K 0K 78643K 2 0 proc 61 63K 95K 78643K 462 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 10 0 in_multi 36 2K 2K 78643K 57 0 ether_multi 1 0K 0K 78643K 4 0 mrt 0 0K 0K 78643K 1 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 1K 78643K 223 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 122 55K 55K 78643K 1415 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 9 0K 0K 78643K 16 0 temp 90 3862K 3926K 78643K 2335 0 kqueue 3 4K 8K 78643K 8 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 7 0 0 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 31 0 28 1 0 1 1 0 8 0 rtentry 112 50 0 8 2 0 2 2 0 8 0 unpcb 120 119 0 109 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 147 0 147 2 2 0 1 0 8 0 tcpcb 544 48 0 42 1 0 1 1 0 8 0 inpcb 296 165 0 158 2 0 2 2 0 8 1 nd6 48 8 0 4 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 pfstitem 24 21 0 0 1 0 1 1 0 8 0 pfstkey 112 21 0 0 1 0 1 1 0 8 0 pfstate 328 21 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 256 195 0 16 12 0 12 12 0 8 0 art_table 32 196 0 16 2 0 2 2 0 8 0 art_node 16 49 0 10 1 0 1 1 0 8 0 sysvmsgpl 40 20 0 10 1 0 1 1 0 8 0 semupl 112 3 0 3 1 0 1 1 0 8 1 semapl 112 15 0 5 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1578 0 174 89 0 89 89 0 8 1 ffsino 272 1578 0 174 94 0 94 94 0 8 0 nchpl 144 1970 0 360 60 0 60 60 0 8 0 uvmvnodes 72 1656 0 0 31 0 31 31 0 8 0 vnodes 208 1656 0 0 88 0 88 88 0 8 0 namei 1024 5196 0 5196 1 0 1 1 0 8 1 percpumem 16 33 0 1 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 scxspl 192 5862 0 5862 8 1 7 7 0 8 7 plimitpl 152 19 0 11 1 0 1 1 0 8 0 sigapl 424 368 0 336 4 0 4 4 0 8 0 futexpl 56 1845 0 1845 1 0 1 1 0 8 1 knotepl 112 67 0 48 1 0 1 1 0 8 0 kqueuepl 144 18 0 15 1 0 1 1 0 8 0 pipepl 304 287 0 277 2 0 2 2 0 8 1 fdescpl 496 352 0 336 3 0 3 3 0 8 0 filepl 152 2106 0 2004 5 0 5 5 0 8 0 lockfpl 104 26 0 25 1 0 1 1 0 8 0 lockfspl 48 10 0 9 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 28 0 17 1 0 1 1 0 8 0 ucredpl 96 105 0 96 1 0 1 1 0 8 0 zombiepl 144 337 0 335 1 0 1 1 0 8 0 processpl 992 368 0 335 5 0 5 5 0 8 0 procpl 624 653 0 610 4 0 4 4 0 8 0 sosppl 128 4 0 4 1 0 1 1 0 8 1 sockpl 400 319 0 298 4 0 4 4 0 8 1 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 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 207 0 0 25 0 25 25 0 8 0 mtagpl 96 9 0 0 1 0 1 1 0 8 0 mbufpl 256 203 0 0 13 0 13 13 0 8 0 bufpl 280 3565 0 133 246 0 246 246 0 8 0 anonpl 16 51223 0 34702 75 1 74 74 0 124 6 amapchunkpl 152 2033 0 1873 12 0 12 12 0 158 4 amappl16 192 1536 0 648 46 0 46 46 0 8 1 amappl15 184 61 0 58 1 0 1 1 0 8 0 amappl14 176 23 0 19 1 0 1 1 0 8 0 amappl13 168 29 0 26 1 0 1 1 0 8 0 amappl12 160 11 0 9 1 0 1 1 0 8 0 amappl11 152 55 0 40 1 0 1 1 0 8 0 amappl10 144 77 0 71 1 0 1 1 0 8 0 amappl9 136 388 0 387 1 0 1 1 0 8 0 amappl8 128 341 0 311 2 0 2 2 0 8 0 amappl7 120 184 0 169 1 0 1 1 0 8 0 amappl6 112 21 0 18 2 1 1 1 0 8 0 amappl5 104 250 0 231 1 0 1 1 0 8 0 amappl4 96 490 0 458 1 0 1 1 0 8 0 amappl3 88 107 0 102 1 0 1 1 0 8 0 amappl2 80 1869 0 1792 2 0 2 2 0 8 0 amappl1 72 17748 0 17287 23 12 11 18 0 8 1 amappl 80 909 0 858 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 356 0 336 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 356 0 336 1 0 1 1 0 8 0 vmmpekpl 168 7666 0 7626 2 0 2 2 0 8 0 vmmpepl 168 50545 0 48400 123 4 119 119 0 357 24 vmsppl 368 355 0 335 2 0 2 2 0 8 0 pdppl 4096 719 0 674 6 0 6 6 0 8 0 pvpl 32 167400 0 147801 179 0 179 179 0 265 19 pmappl 232 355 0 335 2 0 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 262 0 3 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace sbdrop(ffff800020ed8478,ffff800020ed8500,441) at sbdrop+0x219 sys/kern/uipc_socket2.c:965 sbflush(ffff800020ed8478,ffff800020ed8500) at sbflush+0x93 sys/kern/uipc_socket2.c:934 sbrelease(ffff800020ed8478,ffff800020ed8500) at sbrelease+0x2e sys/kern/uipc_socket2.c:525 sorflush(fffffd806f683190) at sorflush+0x14b sys/kern/uipc_socket.c:1137 sofree(fffffd806f683190,42) at sofree+0x147 sys/kern/uipc_socket.c:263 soclose(fffffd806f683190,80) at soclose+0x270 sys/kern/uipc_socket.c:344 soo_close(fffffd8066634d28,ffff800020e38878) at soo_close+0x40 fdrop(fffffd8066634d28,ffff800020e38878) at fdrop+0xc2 sys/kern/kern_descrip.c:1279 closef(fffffd8066634d28,ffff800020e38878) at closef+0x11c sys/kern/kern_descrip.c:1263 fdfree(ffff800020e38878) at fdfree+0x101 sys/kern/kern_descrip.c:1195 exit1(ffff800020e38878,0,0,1) at exit1+0x32c sys/kern/kern_exit.c:197 sys_exit(ffff800020e38878,ffff800020ed88d0,ffff800020ed8920) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff800020ed89a0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020ed89a0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffbf350, count: -14 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(ffffffff829011d8) at __mp_lock+0x12e __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff829011d8) at __mp_lock+0x12e sys/kern/kern_lock.c:147 uvm_unmap_detach(ffff800020dcf940,1) at uvm_unmap_detach+0xe7 sys/uvm/uvm_map.c:1581 uvm_map_teardown(fffffd806e8f8e68) at uvm_map_teardown+0x25c sys/uvm/uvm_map.c:2757 uvmspace_free(fffffd806e8f8e68) at uvmspace_free+0x86 sys/uvm/uvm_map.c:3646 uvm_exit(ffff800020eb5380) at uvm_exit+0x29 sys/uvm/uvm_glue.c:297 reaper(ffff800020d895f0) at reaper+0x189 sys/kern/kern_exit.c:456 end trace frame: 0x0, count: -9