uvm_fault(0xffffffff82540680, 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(0xffffffff82540680, 0xfffffd0000000018, 0, 1) -> e sbdrop(ffff800021f81148,ffff800021f811d0,a42) at sbdrop+0x219 sys/kern/uipc_socket2.c:965 end trace frame: 0xffff800021f810f0, count: 0 ddb{0}> trace sbdrop(ffff800021f81148,ffff800021f811d0,a42) at sbdrop+0x219 sys/kern/uipc_socket2.c:965 sbflush(ffff800021f81148,ffff800021f811d0) at sbflush+0x93 sys/kern/uipc_socket2.c:934 sbrelease(ffff800021f81148,ffff800021f811d0) at sbrelease+0x2e sys/kern/uipc_socket2.c:525 sorflush(fffffd806f6e0640) at sorflush+0x14b sys/kern/uipc_socket.c:1131 sofree(fffffd806f6e0640,42) at sofree+0x147 sys/kern/uipc_socket.c:257 soclose(fffffd806f6e0640,80) at soclose+0x270 sys/kern/uipc_socket.c:338 soo_close(fffffd8077ff4e40,ffff800020ec64f8) at soo_close+0x40 fdrop(fffffd8077ff4e40,ffff800020ec64f8) at fdrop+0xc2 sys/kern/kern_descrip.c:1276 closef(fffffd8077ff4e40,ffff800020ec64f8) at closef+0x11c sys/kern/kern_descrip.c:1260 fdfree(ffff800020ec64f8) at fdfree+0x101 sys/kern/kern_descrip.c:1192 exit1(ffff800020ec64f8,0,0,1) at exit1+0x32c sys/kern/kern_exit.c:197 sys_exit(ffff800020ec64f8,ffff800021f815a0,ffff800021f815f0) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff800021f81670) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021f81670) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe5290, count: -14 ddb{0}> show registers rdi 0 rsi 0x6b6 rbp 0xffff800021f810a0 rbx 0xfffffd80699f4500 rdx 0x4d034 acpi_pdirpa+0x38e9c rcx 0 rax 0 r8 0xffffffff8142b198 sbdrop+0x248 r9 0x3 r10 0xb7d039d68b555870 r11 0xec452087cb02b02 r12 0x6b6 r13 0x1700 __ALIGN_SIZE+0x700 r14 0xffff800021f811d0 r15 0xfffffd0000000000 rip 0xffffffff8142b169 sbdrop+0x219 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800021f81040 ss 0x10 sbdrop+0x219: movl 0x18(%r15),%r13d ddb{0}> show proc PROC (syz-executor.1) pid=428082 stat=onproc flags process=1008 proc=2000 pri=32, usrpri=76, nice=20 forw=0xffffffffffffffff, list=0xffff800020ec7d58,0xffffffff82653240 process=0xffff800020e93358 user=0xffff800021f7c000, vmspace=0xfffffd806e953a18 estcpu=26, cpticks=2, pctcpu=0.12 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 57280 324297 0 0 3 0x14200 bored sosplice 68346 239782 30790 0 2 0x482 syz-executor.1 26164 41919 30790 0 3 0x82 piperd syz-executor.0 30790 153050 18789 0 3 0x82 thrsleep syz-fuzzer 30790 204855 18789 0 3 0x4000082 thrsleep syz-fuzzer 30790 38551 18789 0 3 0x4000082 thrsleep syz-fuzzer 30790 492704 18789 0 3 0x4000082 thrsleep syz-fuzzer 30790 504022 18789 0 3 0x4000082 thrsleep syz-fuzzer 30790 136282 18789 0 3 0x4000082 thrsleep syz-fuzzer 30790 231165 18789 0 3 0x4000082 thrsleep syz-fuzzer 30790 474860 18789 0 3 0x4000082 thrsleep syz-fuzzer 30790 160243 18789 0 3 0x4000082 kqread syz-fuzzer 30790 486266 18789 0 3 0x4000082 thrsleep syz-fuzzer 18789 515745 20462 0 3 0x10008a pause ksh 20462 20876 85547 0 3 0x92 select sshd 13778 448145 1 0 3 0x100083 ttyin getty 85547 266483 1 0 3 0x80 select sshd 71 1488 87361 74 2 0x100492 pflogd 87361 15798 1 0 3 0x80 netio pflogd 87936 26009 88324 73 3 0x100090 kqread syslogd 88324 337273 1 0 3 0x100082 netio syslogd 40303 45744 1 77 3 0x100090 poll dhclient 28529 5951 1 0 3 0x80 poll dhclient 49146 409691 0 0 3 0x14200 bored smr 67700 218438 0 0 3 0x14200 pgzero zerothread 61159 229781 0 0 3 0x14200 aiodoned aiodoned 20291 135280 0 0 3 0x14200 syncer update 18476 152076 0 0 3 0x14200 cleaner cleaner 41596 262126 0 0 7 0x14200 reaper 95508 376052 0 0 3 0x14200 pgdaemon pagedaemon 58990 101534 0 0 3 0x14200 bored crynlk 90927 224636 0 0 3 0x14200 bored crypto 73683 471494 0 0 3 0x40014200 acpi0 acpi0 19730 58873 0 0 3 0x40014200 idle1 22600 343089 0 0 3 0x14200 bored softnet 85398 450755 0 0 3 0x14200 bored systqmp 17682 391297 0 0 3 0x14200 bored systq 63204 340968 0 0 2 0x40014200 softclock 56585 413242 0 0 3 0x40014200 idle0 1 305392 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 9513 6421K 6946K 78643K 11359 0 pcb 13 8K 8K 78643K 80 0 rtable 118 11K 12K 78643K 335 0 ifaddr 83 17K 17K 78643K 132 0 counters 43 33K 34K 78643K 55 0 ioctlops 0 0K 4K 78643K 1488 0 iov 0 0K 16K 78643K 44 0 mount 1 1K 1K 78643K 1 0 vnodes 1222 77K 77K 78643K 1435 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 7 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 42 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 5 13K 25K 78643K 318 0 sigio 0 0K 0K 78643K 11 0 proc 64 63K 83K 78643K 505 0 subproc 32 2K 2K 78643K 53 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 24 0 in_multi 86 4K 4K 78643K 125 0 ether_multi 1 0K 0K 78643K 11 0 mrt 0 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 241 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 111 54K 54K 78643K 2038 0 UVM aobj 19 4K 4K 78643K 22 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 57 0 NDP 11 0K 0K 78643K 23 0 temp 93 3038K 3101K 78643K 12204 0 kqueue 3 4K 18K 78643K 41 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 12 0 3 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 42 0 39 1 0 1 1 0 8 0 rtentry 112 66 0 17 2 0 2 2 0 8 0 unpcb 120 318 0 308 1 0 1 1 0 8 0 syncache 264 8 0 8 2 2 0 1 0 8 0 tcpqe 32 159 0 159 2 2 0 1 0 8 0 tcpcb 544 149 0 145 2 1 1 2 0 8 0 inpcb 280 757 0 750 2 0 2 2 0 8 1 rttmr 72 1 0 1 1 1 0 1 0 8 0 nd6 48 10 0 4 1 0 1 1 0 8 0 pffrag 232 6 0 6 1 1 0 1 0 482 0 pffrnode 88 6 0 6 1 1 0 1 0 8 0 pffrent 40 186 0 186 1 1 0 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 44 0 6 1 0 1 1 0 8 0 pfstkey 112 44 0 6 2 0 2 2 0 8 0 pfstate 328 44 0 6 4 0 4 4 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 256 270 0 61 14 0 14 14 0 8 0 art_table 32 271 0 61 2 0 2 2 0 8 0 art_node 16 65 0 20 1 0 1 1 0 8 0 sysvmsgpl 40 14 0 4 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 36 0 26 1 0 1 1 0 8 0 shmpl 112 20 0 4 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1822 0 419 89 0 89 89 0 8 0 ffsino 272 1822 0 419 95 0 95 95 0 8 1 nchpl 144 2419 0 815 61 0 61 61 0 8 0 uvmvnodes 72 2037 0 0 38 0 38 38 0 8 0 vnodes 208 2037 0 0 108 0 108 108 0 8 0 namei 1024 6893 0 6893 1 0 1 1 0 8 1 percpumem 16 38 0 6 1 0 1 1 0 8 0 vcpupl 1984 3 0 0 1 0 1 1 0 8 0 vmpool 560 4 0 1 1 0 1 1 0 8 0 scxspl 192 7757 0 7757 8 7 1 7 0 8 1 plimitpl 152 46 0 38 1 0 1 1 0 8 0 sigapl 424 531 0 499 4 0 4 4 0 8 0 futexpl 56 5302 0 5302 1 0 1 1 0 8 1 knotepl 112 103 0 84 1 0 1 1 0 8 0 kqueuepl 144 66 0 64 1 0 1 1 0 8 0 pipelkpl 48 126 0 116 1 0 1 1 0 8 0 pipepl 120 252 0 233 2 1 1 2 0 8 0 fdescpl 496 515 0 499 3 0 3 3 0 8 0 filepl 152 3548 0 3445 7 2 5 6 0 8 1 lockfpl 104 102 0 101 1 0 1 1 0 8 0 lockfspl 48 31 0 30 1 0 1 1 0 8 0 sessionpl 112 19 0 8 1 0 1 1 0 8 0 pgrppl 48 19 0 8 1 0 1 1 0 8 0 ucredpl 96 303 0 294 1 0 1 1 0 8 0 zombiepl 144 500 0 499 1 0 1 1 0 8 0 processpl 984 531 0 499 5 0 5 5 0 8 0 procpl 624 1199 0 1157 4 0 4 4 0 8 0 sosppl 128 6 0 6 1 0 1 1 0 8 1 sockpl 400 1120 0 1099 5 1 4 5 0 8 1 mcl64k 65536 8 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 4 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 6 0 0 1 0 1 1 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 211 0 0 26 0 26 26 0 8 0 mtagpl 80 36 0 0 1 0 1 1 0 8 0 mbufpl 256 304 0 0 18 0 18 18 0 8 0 bufpl 280 5044 0 190 347 0 347 347 0 8 0 anonpl 16 64738 0 50272 67 3 64 66 0 124 0 amapchunkpl 152 3886 0 3743 22 3 19 19 0 158 12 amappl16 192 2301 0 1460 51 7 44 51 0 8 1 amappl15 184 72 0 71 2 1 1 1 0 8 0 amappl14 176 26 0 19 1 0 1 1 0 8 0 amappl13 168 48 0 44 1 0 1 1 0 8 0 amappl12 160 14 0 11 1 0 1 1 0 8 0 amappl11 152 58 0 43 1 0 1 1 0 8 0 amappl10 144 226 0 218 1 0 1 1 0 8 0 amappl9 136 386 0 385 1 0 1 1 0 8 0 amappl8 128 329 0 312 1 0 1 1 0 8 0 amappl7 120 324 0 311 1 0 1 1 0 8 0 amappl6 112 24 0 21 1 0 1 1 0 8 0 amappl5 104 418 0 401 1 0 1 1 0 8 0 amappl4 96 505 0 476 1 0 1 1 0 8 0 amappl3 88 120 0 115 1 0 1 1 0 8 0 amappl2 80 3161 0 3090 3 1 2 3 0 8 0 amappl1 72 21685 0 21230 25 15 10 20 0 8 0 amappl 80 1485 0 1435 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 21 0 3 1 0 1 1 0 8 0 uaddrrnd 24 519 0 500 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 519 0 500 1 0 1 1 0 8 0 vmmpekpl 168 8150 0 8119 2 0 2 2 0 8 0 vmmpepl 168 69988 0 67980 125 13 112 118 0 357 19 vmsppl 368 518 0 500 2 0 2 2 0 8 0 pdppl 4096 1046 0 1003 6 0 6 6 0 8 0 pvpl 32 207314 0 189683 167 8 159 166 0 265 7 pmappl 232 518 0 500 2 0 2 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 274 0 5 8 0 8 8 0 8 0