uvm_fault(0xffffffff82890f28, 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(0xffffffff82890f28, 0xfffffd0000000018, 0, 1) -> e sbdrop(ffff800021f0d3e8,ffff800021f0d470,a42) at sbdrop+0x219 sys/kern/uipc_socket2.c:965 end trace frame: 0xffff800021f0d390, count: 0 ddb{0}> trace sbdrop(ffff800021f0d3e8,ffff800021f0d470,a42) at sbdrop+0x219 sys/kern/uipc_socket2.c:965 sbflush(ffff800021f0d3e8,ffff800021f0d470) at sbflush+0x93 sys/kern/uipc_socket2.c:934 sbrelease(ffff800021f0d3e8,ffff800021f0d470) at sbrelease+0x2e sys/kern/uipc_socket2.c:525 sorflush(fffffd80681d1028) at sorflush+0x14b sys/kern/uipc_socket.c:1131 sofree(fffffd80681d1028,42) at sofree+0x147 sys/kern/uipc_socket.c:257 soclose(fffffd80681d1028,80) at soclose+0x270 sys/kern/uipc_socket.c:338 soo_close(fffffd806601db68,ffff800020e33878) at soo_close+0x40 fdrop(fffffd806601db68,ffff800020e33878) at fdrop+0xc2 sys/kern/kern_descrip.c:1276 closef(fffffd806601db68,ffff800020e33878) at closef+0x11c sys/kern/kern_descrip.c:1260 fdfree(ffff800020e33878) at fdfree+0x101 sys/kern/kern_descrip.c:1192 exit1(ffff800020e33878,0,0,1) at exit1+0x32c sys/kern/kern_exit.c:197 sys_exit(ffff800020e33878,ffff800021f0d840,ffff800021f0d890) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff800021f0d910) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021f0d910) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffdc010, count: -14 ddb{0}> show registers rdi 0 rsi 0x44e rbp 0xffff800021f0d340 rbx 0xfffffd80681c5c00 rdx 0x5ae6a acpi_pdirpa+0x46cd2 rcx 0 rax 0 r8 0xffffffff818b6bf8 sbdrop+0x248 r9 0x3 r10 0x860aad9f42acb7e4 r11 0x6c3d70f121267668 r12 0x44e r13 0xc00 r14 0xffff800021f0d470 r15 0xfffffd0000000000 rip 0xffffffff818b6bc9 sbdrop+0x219 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800021f0d2e0 ss 0x10 sbdrop+0x219: movl 0x18(%r15),%r13d ddb{0}> show proc PROC (syz-executor.0) pid=95161 stat=onproc flags process=1008 proc=2000 pri=26, usrpri=65, nice=20 forw=0xffffffffffffffff, list=0xffff800020e33398,0xffffffff828faef0 process=0xffff800020e183f8 user=0xffff800021f08000, vmspace=0xfffffd807f000000 estcpu=15, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 40389 93631 0 0 3 0x14200 bored sosplice 5530 145535 0 0 3 0x14200 acct acct 25994 379542 69338 0 3 0x82 piperd syz-executor.1 15605 478845 69338 0 3 0x82 wait syz-executor.0 69338 19336 35848 0 3 0x82 thrsleep syz-fuzzer 69338 312613 35848 0 3 0x4000082 thrsleep syz-fuzzer 69338 21937 35848 0 3 0x4000082 thrsleep syz-fuzzer 69338 404946 35848 0 3 0x4000082 kqread syz-fuzzer 69338 480803 35848 0 3 0x4000082 thrsleep syz-fuzzer 69338 473695 35848 0 3 0x4000082 thrsleep syz-fuzzer 69338 356018 35848 0 3 0x4000082 thrsleep syz-fuzzer 69338 387220 35848 0 3 0x4000082 thrsleep syz-fuzzer 69338 94820 35848 0 3 0x4000082 thrsleep syz-fuzzer 69338 312892 35848 0 3 0x4000082 thrsleep syz-fuzzer 35848 76769 33291 0 3 0x10008a pause ksh 33291 497725 47975 0 3 0x92 select sshd 82686 502014 1 0 3 0x100083 ttyin getty 47975 220099 1 0 3 0x80 select sshd 49505 248402 6487 74 3 0x100092 bpf pflogd 6487 354694 1 0 3 0x80 netio pflogd 55004 199652 18133 73 3 0x100090 kqread syslogd 18133 519996 1 0 3 0x100082 netio syslogd 15425 201985 1 77 3 0x100090 poll dhclient 13086 129739 1 0 3 0x80 poll dhclient 2514 201742 0 0 3 0x14200 bored smr 15146 500961 0 0 3 0x14200 pgzero zerothread 44836 103900 0 0 3 0x14200 aiodoned aiodoned 28619 463714 0 0 3 0x14200 syncer update 63792 377666 0 0 3 0x14200 cleaner cleaner 43868 385730 0 0 3 0x14200 reaper reaper 41541 125837 0 0 3 0x14200 pgdaemon pagedaemon 93345 168102 0 0 3 0x14200 bored crynlk 75875 265761 0 0 3 0x14200 bored crypto 8759 147569 0 0 3 0x40014200 acpi0 acpi0 8995 72366 0 0 7 0x40014200 idle1 91036 152569 0 0 3 0x14200 bored softnet 9093 293069 0 0 3 0x14200 bored systqmp 30227 122247 0 0 3 0x14200 bored systq 3341 59793 0 0 3 0x40014200 bored softclock 75569 284853 0 0 3 0x40014200 idle0 1 232773 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 9511 6413K 7513K 78643K 11494 0 pcb 13 8K 8K 78643K 75 0 rtable 115 5K 8K 78643K 367 0 ifaddr 67 13K 14K 78643K 114 0 counters 43 33K 34K 78643K 49 0 ioctlops 0 0K 4K 78643K 1494 0 iov 0 0K 16K 78643K 53 0 mount 1 1K 1K 78643K 1 0 vnodes 1224 77K 77K 78643K 1444 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 10 0 VM map 2 1K 1K 78643K 2 0 sem 12 1K 1K 78643K 16 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 5 13K 25K 78643K 288 0 sigio 0 0K 0K 78643K 2 0 proc 61 63K 95K 78643K 460 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 38 0 in_multi 36 2K 2K 78643K 62 0 ether_multi 1 0K 0K 78643K 7 0 mrt 0 0K 0K 78643K 2 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 43 201K 201K 78643K 43 0 exec 0 0K 1K 78643K 236 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 120 39K 39K 78643K 1852 0 UVM aobj 20 4K 4K 78643K 21 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 38 0 NDP 11 0K 0K 78643K 19 0 temp 96 3847K 3913K 78643K 7523 0 kqueue 3 4K 12K 78643K 14 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 8 0 1 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 73 0 71 1 0 1 1 0 8 0 rtentry 112 56 0 12 2 0 2 2 0 8 0 unpcb 120 158 0 148 1 0 1 1 0 8 0 syncache 264 7 0 7 2 2 0 1 0 8 0 tcpcb 544 96 0 92 1 0 1 1 0 8 0 inpcb 280 294 0 287 3 1 2 2 0 8 1 rttmr 72 1 0 1 1 1 0 1 0 8 0 nd6 48 9 0 3 1 0 1 1 0 8 0 ppxss 1128 1 0 1 1 1 0 1 0 8 0 pffrag 232 3 0 3 1 0 1 1 0 482 1 pffrnode 88 3 0 3 1 0 1 1 0 8 1 pffrent 40 8 0 8 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 pfrktable 1344 32 0 30 1 0 1 1 0 8 0 pfstitem 24 12 0 10 1 0 1 1 0 8 0 pfstkey 112 12 0 10 1 0 1 1 0 8 0 pfstate 328 12 0 10 1 0 1 1 0 8 0 pfrule 1360 29 0 20 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 240 0 42 13 0 13 13 0 8 0 art_table 32 241 0 42 2 0 2 2 0 8 0 art_node 16 55 0 14 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 0 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 10 0 0 1 0 1 1 0 8 0 shmpl 112 19 0 1 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1782 0 373 89 0 89 89 0 8 0 ffsino 272 1782 0 373 96 1 95 95 0 8 0 nchpl 144 2426 0 829 60 0 60 60 0 8 0 uvmvnodes 72 2017 0 0 37 0 37 37 0 8 0 vnodes 208 2017 0 0 107 0 107 107 0 8 0 namei 1024 6648 0 6648 3 2 1 1 0 8 1 percpumem 16 35 0 3 1 0 1 1 0 8 0 vcpupl 1984 4 0 0 1 0 1 1 0 8 0 vmpool 560 6 0 2 1 0 1 1 0 8 0 pfiaddrpl 120 10 0 8 1 0 1 1 0 8 0 scxspl 192 7280 0 7280 8 7 1 7 0 8 1 plimitpl 152 25 0 17 1 0 1 1 0 8 0 sigapl 424 505 0 472 4 0 4 4 0 8 0 futexpl 56 4070 0 4070 5 4 1 1 0 8 1 knotepl 112 73 0 54 1 0 1 1 0 8 0 kqueuepl 144 40 0 38 1 0 1 1 0 8 0 pipelkpl 48 119 0 109 1 0 1 1 0 8 0 pipepl 120 238 0 219 1 0 1 1 0 8 0 fdescpl 496 488 0 472 3 0 3 3 0 8 0 filepl 152 2860 0 2756 5 0 5 5 0 8 0 lockfpl 104 98 0 97 1 0 1 1 0 8 0 lockfspl 48 28 0 27 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 24 0 13 1 0 1 1 0 8 0 ucredpl 96 286 0 276 1 0 1 1 0 8 0 zombiepl 144 473 0 472 1 0 1 1 0 8 0 processpl 984 505 0 472 5 0 5 5 0 8 0 procpl 624 1078 0 1036 4 0 4 4 0 8 0 sosppl 128 6 0 6 2 1 1 1 0 8 1 sockpl 400 525 0 505 6 3 3 3 0 8 0 mcl64k 65536 10 0 0 2 0 2 2 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 227 0 0 28 1 27 28 0 8 0 mtagpl 80 135 0 0 3 0 3 3 0 8 0 mbufpl 256 516 0 0 31 0 31 31 0 8 0 bufpl 280 4922 0 132 343 0 343 343 0 8 0 anonpl 16 64889 0 49557 92 14 78 78 0 124 15 amapchunkpl 152 2493 0 2362 7 0 7 7 0 158 0 amappl16 192 2499 0 1667 64 14 50 54 0 8 8 amappl15 184 125 0 124 2 1 1 1 0 8 0 amappl14 176 25 0 19 1 0 1 1 0 8 0 amappl13 168 29 0 26 1 0 1 1 0 8 0 amappl12 160 142 0 138 1 0 1 1 0 8 0 amappl11 152 185 0 168 1 0 1 1 0 8 0 amappl10 144 22 0 15 1 0 1 1 0 8 0 amappl9 136 384 0 382 1 0 1 1 0 8 0 amappl8 128 358 0 322 2 0 2 2 0 8 0 amappl7 120 120 0 108 1 0 1 1 0 8 0 amappl6 112 151 0 143 1 0 1 1 0 8 0 amappl5 104 399 0 381 1 0 1 1 0 8 0 amappl4 96 618 0 589 1 0 1 1 0 8 0 amappl3 88 107 0 102 1 0 1 1 0 8 0 amappl2 80 2953 0 2884 2 0 2 2 0 8 0 amappl1 72 20370 0 19918 24 14 10 18 0 8 0 amappl 80 1332 0 1288 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 20 0 1 1 0 1 1 0 8 0 uaddrrnd 24 494 0 474 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 494 0 474 1 0 1 1 0 8 0 vmmpekpl 168 7640 0 7602 2 0 2 2 0 8 0 vmmpepl 168 66638 0 64630 127 29 98 110 0 357 5 vmsppl 368 493 0 474 2 0 2 2 0 8 0 pdppl 4096 995 0 952 6 0 6 6 0 8 0 pvpl 32 197760 0 179271 219 29 190 190 0 265 39 pmappl 232 493 0 474 3 1 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 292 0 10 9 0 9 9 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace sbdrop(ffff800021f0d3e8,ffff800021f0d470,a42) at sbdrop+0x219 sys/kern/uipc_socket2.c:965 sbflush(ffff800021f0d3e8,ffff800021f0d470) at sbflush+0x93 sys/kern/uipc_socket2.c:934 sbrelease(ffff800021f0d3e8,ffff800021f0d470) at sbrelease+0x2e sys/kern/uipc_socket2.c:525 sorflush(fffffd80681d1028) at sorflush+0x14b sys/kern/uipc_socket.c:1131 sofree(fffffd80681d1028,42) at sofree+0x147 sys/kern/uipc_socket.c:257 soclose(fffffd80681d1028,80) at soclose+0x270 sys/kern/uipc_socket.c:338 soo_close(fffffd806601db68,ffff800020e33878) at soo_close+0x40 fdrop(fffffd806601db68,ffff800020e33878) at fdrop+0xc2 sys/kern/kern_descrip.c:1276 closef(fffffd806601db68,ffff800020e33878) at closef+0x11c sys/kern/kern_descrip.c:1260 fdfree(ffff800020e33878) at fdfree+0x101 sys/kern/kern_descrip.c:1192 exit1(ffff800020e33878,0,0,1) at exit1+0x32c sys/kern/kern_exit.c:197 sys_exit(ffff800020e33878,ffff800021f0d840,ffff800021f0d890) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff800021f0d910) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021f0d910) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffdc010, 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+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 acpicpu_idle() at acpicpu_idle+0x331 sys/dev/acpi/acpicpu.c:1187 sched_idle(ffff800020d80ff0) at sched_idle+0x3f7 sys/kern/kern_sched.c:182 end trace frame: 0x0, count: -5