uvm_fault(0xffffffff8260cd78, 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(0xffffffff8260cd78, 0xfffffd0000000018, 0, 1) -> e sbdrop(ffff800020b776a8,ffff800020b77730,bbe) at sbdrop+0x219 sys/kern/uipc_socket2.c:963 end trace frame: 0xffff800020b77650, count: 0 ddb{0}> trace sbdrop(ffff800020b776a8,ffff800020b77730,bbe) at sbdrop+0x219 sys/kern/uipc_socket2.c:963 sbflush(ffff800020b776a8,ffff800020b77730) at sbflush+0x93 sys/kern/uipc_socket2.c:932 sbrelease(ffff800020b776a8,ffff800020b77730) at sbrelease+0x2e sys/kern/uipc_socket2.c:526 sorflush(fffffd80668044a0) at sorflush+0x13d sys/kern/uipc_socket.c:1105 sofree(fffffd80668044a0,42) at sofree+0x147 sys/kern/uipc_socket.c:241 soclose(fffffd80668044a0,0) at soclose+0x270 sys/kern/uipc_socket.c:313 soo_close(fffffd806c9f3140,ffff800020ae7658) at soo_close+0x40 fdrop(fffffd806c9f3140,ffff800020ae7658) at fdrop+0xc2 sys/kern/kern_descrip.c:1273 closef(fffffd806c9f3140,ffff800020ae7658) at closef+0x11d sys/kern/kern_descrip.c:1257 fdfree(ffff800020ae7658) at fdfree+0x101 sys/kern/kern_descrip.c:1189 exit1(ffff800020ae7658,0,0,3) at exit1+0x344 sys/kern/kern_exit.c:196 single_thread_check(ffff800020ae7658,0) at single_thread_check+0x146 sys/kern/kern_sig.c:1943 userret(ffff800020ae7658) at userret+0x34a sys/kern/kern_sig.c:1912 syscall(ffff800020b77c40) at syscall+0x55f mi_syscall_return sys/sys/syscall_mi.h:115 [inline] syscall(ffff800020b77c40) at syscall+0x55f sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd1830, count: -15 ddb{0}> show registers rdi 0 rsi 0x80f rbp 0xffff800020b77600 rbx 0xfffffd806219ba00 rdx 0x5eae2 acpi_pdirpa+0x4a94a rcx 0 rax 0 r8 0xffffffff81b90618 sbdrop+0x248 r9 0x3 r10 0x7ec7979d2de26100 r11 0x12a372653683e4f2 r12 0x80f r13 0x2f00 __ALIGN_SIZE+0x1f00 r14 0xffff800020b77730 r15 0xfffffd0000000000 rip 0xffffffff81b905e9 sbdrop+0x219 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800020b775a0 ss 0x10 sbdrop+0x219: movl 0x18(%r15),%r13d ddb{0}> show proc PROC (syz-executor.1) pid=351297 stat=onproc flags process=1008 proc=82000 pri=32, usrpri=52, nice=20 forw=0xffffffffffffffff, list=0xffff800020ae6ef0,0xffff800020ae6030 process=0xffff800020a63c48 user=0xffff800020b72000, vmspace=0xfffffd807f000a10 estcpu=2, cpticks=2, pctcpu=0.24 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 8177 157552 62156 0 2 0x480 syz-executor.0 8177 248439 62156 0 3 0x4000080 lockf syz-executor.0 8177 280087 62156 0 3 0x4000080 lockf syz-executor.0 8177 81987 62156 0 3 0x4000080 lockf syz-executor.0 8177 414260 62156 0 3 0x4000080 fsleep syz-executor.0 62156 416483 89720 0 3 0x82 nanosleep syz-executor.0 67600 280017 0 0 3 0x14200 acct acct 54708 280089 0 0 3 0x14200 bored sosplice 48238 270682 89720 0 3 0x82 nanosleep syz-executor.1 89720 87357 80216 0 3 0x82 thrsleep syz-fuzzer 89720 17738 80216 0 3 0x4000082 nanosleep syz-fuzzer 89720 194249 80216 0 3 0x4000082 thrsleep syz-fuzzer 89720 478117 80216 0 3 0x4000082 thrsleep syz-fuzzer 89720 344249 80216 0 3 0x4000082 thrsleep syz-fuzzer 89720 173665 80216 0 3 0x4000082 thrsleep syz-fuzzer 89720 46700 80216 0 3 0x4000082 thrsleep syz-fuzzer 89720 20916 80216 0 3 0x4000082 thrsleep syz-fuzzer 89720 91605 80216 0 3 0x4000082 kqread syz-fuzzer 89720 426454 80216 0 3 0x4000082 thrsleep syz-fuzzer 80216 210833 13997 0 3 0x10008a pause ksh 13997 294378 67370 0 3 0x92 select sshd 61214 441801 1 0 3 0x100083 ttyin getty 67370 474193 1 0 3 0x80 select sshd 89841 122831 15323 74 3 0x100092 bpf pflogd 15323 220397 1 0 3 0x80 netio pflogd 89625 419299 92051 73 3 0x100090 kqread syslogd 92051 439544 1 0 3 0x100082 netio syslogd 2429 403531 1 77 2 0x100010 dhclient 41997 395124 1 0 7 0 dhclient 15040 398452 0 0 3 0x14200 pgzero zerothread 42793 331595 0 0 3 0x14200 aiodoned aiodoned 59587 381433 0 0 3 0x14200 syncer update 96492 487867 0 0 3 0x14200 cleaner cleaner 54091 246301 0 0 3 0x14200 reaper reaper 75393 117854 0 0 3 0x14200 pgdaemon pagedaemon 24074 314067 0 0 3 0x14200 bored crynlk 20844 417691 0 0 3 0x14200 bored crypto 84106 32695 0 0 3 0x40014200 acpi0 acpi0 35140 521566 0 0 3 0x40014200 idle1 52487 456200 0 0 3 0x14200 bored softnet 9058 41940 0 0 3 0x14200 bored systqmp 68476 56382 0 0 3 0x14200 bored systq 77455 37461 0 0 3 0x40014200 bored softclock 20133 242642 0 0 3 0x40014200 idle0 13186 344236 0 0 3 0x14200 bored smr 1 468741 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 9503 6410K 6856K 78643K 10983 0 pcb 13 8K 9K 78643K 127 0 rtable 108 4K 4K 78643K 408 0 ifaddr 67 14K 14K 78643K 123 0 counters 39 33K 33K 78643K 39 0 ioctlops 0 0K 4K 78643K 1474 0 iov 0 0K 16K 78643K 47 0 mount 1 1K 1K 78643K 1 0 vnodes 1223 77K 77K 78643K 1365 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 12 0K 0K 78643K 64 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 6 17K 25K 78643K 213 0 sigio 0 0K 0K 78643K 6 0 proc 60 63K 83K 78643K 495 0 subproc 32 2K 2K 78643K 51 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 25 0 in_multi 53 3K 3K 78643K 66 0 ether_multi 1 0K 0K 78643K 2 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 248 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 135 38K 38K 78643K 1805 0 UVM aobj 26 2K 2K 78643K 26 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 35 0 NDP 10 0K 0K 78643K 26 0 temp 114 3019K 3088K 78643K 5859 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 10 0 3 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 180 0 177 1 0 1 1 0 8 0 rtentry 112 59 0 15 2 0 2 2 0 8 0 unpcb 120 145 0 133 1 0 1 1 0 8 0 syncache 264 8 0 8 3 2 1 1 0 8 1 tcpqe 32 2 0 2 2 1 1 1 0 8 1 tcpcb 544 105 0 100 1 0 1 1 0 8 0 inpcb 280 376 0 368 2 0 2 2 0 8 1 rttmr 72 1 0 1 1 1 0 1 0 8 0 nd6 48 6 0 2 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 1 0 1 0 8 0 ppxss 1128 6 0 6 2 1 1 1 0 8 1 pffrag 232 9 0 9 1 0 1 1 0 482 1 pffrnode 88 9 0 9 1 0 1 1 0 8 1 pffrent 40 234 0 234 1 0 1 1 0 8 1 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 27 0 5 1 0 1 1 0 8 0 pfstkey 112 27 0 5 1 0 1 1 0 8 0 pfstate 328 27 0 5 3 0 3 3 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 256 262 0 45 14 0 14 14 0 8 0 art_table 32 263 0 45 2 0 2 2 0 8 0 art_node 16 58 0 19 1 0 1 1 0 8 0 sysvmsgpl 40 30 0 15 1 0 1 1 0 8 0 semupl 112 2 0 2 2 2 0 1 0 8 0 semapl 112 60 0 50 1 0 1 1 0 8 0 shmpl 112 24 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1709 0 300 46 0 46 46 0 8 0 ffsino 272 1709 0 300 95 0 95 95 0 8 0 nchpl 144 2208 0 598 61 0 61 61 0 8 0 uvmvnodes 72 1857 0 0 34 0 34 34 0 8 0 vnodes 208 1857 0 0 98 0 98 98 0 8 0 namei 1024 6204 0 6204 1 0 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 vcpupl 1984 2 0 0 1 0 1 1 0 8 0 vmpool 560 4 0 2 2 1 1 1 0 8 0 scxspl 192 6435 0 6435 11 7 4 7 0 8 4 plimitpl 152 26 0 18 1 0 1 1 0 8 0 sigapl 432 409 0 393 3 1 2 3 0 8 0 futexpl 56 4367 0 4366 1 0 1 1 0 8 0 knotepl 112 99 0 80 1 0 1 1 0 8 0 kqueuepl 104 57 0 55 1 0 1 1 0 8 0 pipepl 112 462 0 439 2 1 1 2 0 8 0 fdescpl 488 410 0 393 3 0 3 3 0 8 0 filepl 152 2944 0 2833 7 1 6 6 0 8 1 lockfpl 104 101 0 96 1 0 1 1 0 8 0 lockfspl 48 40 0 38 1 0 1 1 0 8 0 sessionpl 112 19 0 8 1 0 1 1 0 8 0 pgrppl 48 31 0 20 1 0 1 1 0 8 0 ucredpl 96 209 0 200 1 0 1 1 0 8 0 zombiepl 144 396 0 395 1 0 1 1 0 8 0 processpl 904 429 0 395 4 0 4 4 0 8 0 procpl 632 971 0 924 5 0 5 5 0 8 0 srpgc 64 2 0 2 1 1 0 1 0 8 0 sosppl 128 9 0 9 2 1 1 1 0 8 1 sockpl 384 704 0 680 5 1 4 4 0 8 1 mcl64k 65536 7 0 0 1 0 1 1 0 8 0 mcl16k 16384 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 6 0 0 1 0 1 1 0 8 0 mcl4k 4096 6 0 0 1 0 1 1 0 8 0 mcl2k 2048 169 0 0 21 0 21 21 0 8 0 mtagpl 80 9 0 0 1 0 1 1 0 8 0 mbufpl 256 473 0 0 29 0 29 29 0 8 0 bufpl 280 6820 0 1343 392 0 392 392 0 8 0 anonpl 16 59301 0 39649 80 1 79 79 0 125 0 amapchunkpl 152 2496 0 2311 10 2 8 8 0 158 0 amappl16 192 1885 0 826 55 1 54 54 0 8 0 amappl15 184 60 0 57 1 0 1 1 0 8 0 amappl14 176 67 0 64 1 0 1 1 0 8 0 amappl13 168 1 0 0 1 0 1 1 0 8 0 amappl12 160 14 0 10 1 0 1 1 0 8 0 amappl11 152 205 0 186 1 0 1 1 0 8 0 amappl10 144 13 0 7 1 0 1 1 0 8 0 amappl9 136 616 0 613 1 0 1 1 0 8 0 amappl8 128 152 0 123 2 0 2 2 0 8 0 amappl7 120 110 0 97 1 0 1 1 0 8 0 amappl6 112 195 0 185 1 0 1 1 0 8 0 amappl5 104 157 0 142 1 0 1 1 0 8 0 amappl4 96 668 0 638 1 0 1 1 0 8 0 amappl3 88 155 0 147 1 0 1 1 0 8 0 amappl2 80 2316 0 2233 3 1 2 3 0 8 0 amappl1 72 19234 0 18754 26 16 10 21 0 8 0 amappl 80 1242 0 1181 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 25 0 0 1 0 1 1 0 8 0 uaddrrnd 24 414 0 395 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 414 0 395 1 0 1 1 0 8 0 vmmpekpl 168 8080 0 8047 3 1 2 2 0 8 0 vmmpepl 168 59228 0 56838 150 13 137 140 0 357 33 vmsppl 368 413 0 395 2 0 2 2 0 8 0 pdppl 4096 835 0 792 6 0 6 6 0 8 0 pvpl 32 188373 0 165277 191 2 189 189 0 265 2 pmappl 232 413 0 395 3 1 2 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 185 0 3 6 0 6 6 0 8 0