login: uvm_fault(0xffffffff82620728, 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(0xffffffff82620728, 0xfffffd0000000018, 0, 1) -> e sbdrop(ffff800022d88cc8,ffff800022d88d50,a42) at sbdrop+0x219 sys/kern/uipc_socket2.c:962 end trace frame: 0xffff800022d88c70, count: 0 ddb{0}> trace sbdrop(ffff800022d88cc8,ffff800022d88d50,a42) at sbdrop+0x219 sys/kern/uipc_socket2.c:962 sbflush(ffff800022d88cc8,ffff800022d88d50) at sbflush+0x93 sys/kern/uipc_socket2.c:931 sbrelease(ffff800022d88cc8,ffff800022d88d50) at sbrelease+0x2e sys/kern/uipc_socket2.c:525 sorflush(fffffd806aaade20) at sorflush+0x14b sys/kern/uipc_socket.c:1131 sofree(fffffd806aaade20,42) at sofree+0x147 sys/kern/uipc_socket.c:257 soclose(fffffd806aaade20,0) at soclose+0x270 sys/kern/uipc_socket.c:338 soo_close(fffffd8066ff8ef0,ffff800020ae7d58) at soo_close+0x40 fdrop(fffffd8066ff8ef0,ffff800020ae7d58) at fdrop+0xc2 sys/kern/kern_descrip.c:1274 closef(fffffd8066ff8ef0,ffff800020ae7d58) at closef+0x11c sys/kern/kern_descrip.c:1258 fdfree(ffff800020ae7d58) at fdfree+0x101 sys/kern/kern_descrip.c:1190 exit1(ffff800020ae7d58,0,0,1) at exit1+0x344 sys/kern/kern_exit.c:196 sys_exit(ffff800020ae7d58,ffff800022d89120,ffff800022d89170) at sys_exit+0x16 sys/kern/kern_exit.c:94 syscall(ffff800022d891f0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800022d891f0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd0c10, count: -14 ddb{0}> show registers rdi 0 rsi 0x480 rbp 0xffff800022d88c20 rbx 0xfffffd8072ea5200 rdx 0x4df6a acpi_pdirpa+0x39dd2 rcx 0 rax 0 r8 0xffffffff811be7d8 sbdrop+0x248 r9 0x3 r10 0xb211f674ca5e1f9c r11 0xc6ddc1df71836686 r12 0x480 r13 0xe00 r14 0xffff800022d88d50 r15 0xfffffd0000000000 rip 0xffffffff811be7a9 sbdrop+0x219 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800022d88bc0 ss 0x10 sbdrop+0x219: movl 0x18(%r15),%r13d ddb{0}> show proc PROC (syz-executor.1) pid=168066 stat=onproc flags process=1008 proc=2000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020ae6768,0xffff800020ae6c58 process=0xffff800020a9cb60 user=0xffff800022d84000, vmspace=0xfffffd807efff450 estcpu=36, cpticks=4, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 86476 69977 12172 0 2 0 syz-executor.0 86476 348647 12172 0 2 0x4000000 syz-executor.0 67480 364412 0 0 3 0x14200 bored sosplice 19450 16346 89337 0 2 0x482 syz-executor.1 12172 218464 89337 0 3 0x82 nanosleep syz-executor.0 89337 430071 65255 0 3 0x82 kqread syz-fuzzer 89337 469528 65255 0 3 0x4000082 thrsleep syz-fuzzer 89337 209224 65255 0 3 0x4000082 thrsleep syz-fuzzer 89337 184121 65255 0 3 0x4000082 thrsleep syz-fuzzer 89337 329538 65255 0 3 0x4000082 thrsleep syz-fuzzer 89337 252249 65255 0 3 0x4000082 thrsleep syz-fuzzer 89337 63313 65255 0 3 0x4000082 thrsleep syz-fuzzer 89337 237976 65255 0 3 0x4000082 thrsleep syz-fuzzer 89337 482172 65255 0 3 0x4000082 thrsleep syz-fuzzer 89337 48593 65255 0 3 0x4000082 thrsleep syz-fuzzer 65255 267158 46308 0 3 0x10008a pause ksh 46308 383520 23832 0 3 0x92 select sshd 8254 314156 1 0 3 0x100083 ttyin getty 23832 210274 1 0 3 0x80 select sshd 26332 455452 73164 74 3 0x100092 bpf pflogd 73164 137531 1 0 3 0x80 netio pflogd 31790 45463 29116 73 3 0x100090 kqread syslogd 29116 81577 1 0 3 0x100082 netio syslogd 80234 392643 1 77 3 0x100090 poll dhclient 11883 443222 1 0 3 0x80 poll dhclient 59525 437846 0 0 2 0x14200 zerothread 21545 8795 0 0 3 0x14200 aiodoned aiodoned 37234 16665 0 0 3 0x14200 syncer update 9647 456034 0 0 3 0x14200 cleaner cleaner 64502 473937 0 0 7 0x14200 reaper 91218 490742 0 0 3 0x14200 pgdaemon pagedaemon 41179 64010 0 0 3 0x14200 bored crynlk 63314 91030 0 0 3 0x14200 bored crypto 58702 50433 0 0 3 0x40014200 acpi0 acpi0 17416 235718 0 0 3 0x40014200 idle1 13369 58073 0 0 3 0x14200 bored softnet 17119 474049 0 0 3 0x14200 bored systqmp 68954 222833 0 0 3 0x14200 bored systq 51108 410245 0 0 2 0x40014200 softclock 94347 349103 0 0 3 0x40014200 idle0 66024 261165 0 0 3 0x14200 bored smr 1 144584 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 86476 (syz-executor.0) thread 0xffff800020ae6018 (348647) exclusive rrwlock inode r = 0 (0xfffffd806ee006f8) #0 witness_lock+0x52e sys/kern/subr_witness.c:1164 #1 rw_enter+0x453 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x88 sys/kern/kern_rwlock.c:453 #3 ufs_ihashins+0x45 sys/ufs/ufs/ufs_ihash.c:140 #4 ffs_vget+0x13e sys/ufs/ffs/ffs_vfsops.c:1358 #5 ffs_inode_alloc+0x1cf sys/ufs/ffs/ffs_alloc.c:392 #6 ufs_makeinode+0xaa sys/ufs/ufs/ufs_vnops.c:1832 #7 ufs_create+0x41 sys/ufs/ufs/ufs_vnops.c:152 #8 VOP_CREATE+0xc0 sys/kern/vfs_vops.c:112 #9 vn_open+0x2a4 sys/kern/vfs_vnops.c:122 #10 doopenat+0x28b sys/kern/vfs_syscalls.c:1148 #11 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #11 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #12 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806ee003c8) #0 witness_lock+0x52e sys/kern/subr_witness.c:1164 #1 rw_enter+0x453 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x88 sys/kern/kern_rwlock.c:453 #3 VOP_LOCK+0x4b sys/kern/vfs_vops.c:602 #4 vn_lock+0x81 sys/kern/vfs_vnops.c:575 #5 vfs_lookup+0xe6 sys/kern/vfs_lookup.c:419 #6 namei+0x63c sys/kern/vfs_lookup.c:249 #7 vn_open+0x1a6 sys/kern/vfs_vnops.c:113 #8 doopenat+0x28b sys/kern/vfs_syscalls.c:1148 #9 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #9 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #10 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9485 6524K 6980K 78643K 10780 0 pcb 13 8K 8K 78643K 33 0 rtable 109 3K 3K 78643K 241 0 ifaddr 46 11K 11K 78643K 68 0 counters 43 33K 34K 78643K 51 0 ioctlops 0 0K 4K 78643K 1469 0 iov 0 0K 16K 78643K 11 0 mount 1 1K 1K 78643K 1 0 vnodes 1220 77K 77K 78643K 1284 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 3 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 23 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 6 17K 25K 78643K 109 0 proc 61 63K 95K 78643K 445 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 19 0 in_multi 41 2K 2K 78643K 49 0 ether_multi 1 0K 0K 78643K 4 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 37 175K 175K 78643K 37 0 exec 0 0K 1K 78643K 208 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 108 21K 22K 78643K 1222 0 UVM aobj 10 2K 2K 78643K 10 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 15 0 NDP 6 0K 0K 78643K 14 0 temp 77 3014K 3078K 78643K 2293 0 kqueue 3 4K 18K 78643K 22 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 9 0 1 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 25 0 22 1 0 1 1 0 8 0 rtentry 112 50 0 4 2 0 2 2 0 8 0 unpcb 120 67 0 57 1 0 1 1 0 8 0 syncache 264 6 0 6 2 1 1 1 0 8 1 tcpcb 544 60 0 52 1 0 1 1 0 8 0 inpcb 280 148 0 131 2 0 2 2 0 8 0 nd6 48 6 0 0 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 0 1 1 0 8 1 pffrag 232 1 0 1 1 0 1 1 0 482 1 pffrnode 88 1 0 1 1 0 1 1 0 8 1 pffrent 40 3 0 3 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 21 0 1 1 0 1 1 0 8 0 pfstkey 112 21 0 1 1 0 1 1 0 8 0 pfstate 328 21 0 1 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 256 202 0 2 13 0 13 13 0 8 0 art_table 32 203 0 2 2 0 2 2 0 8 0 art_node 16 49 0 7 1 0 1 1 0 8 0 sysvmsgpl 40 13 0 5 1 0 1 1 0 8 0 semupl 112 5 0 5 1 0 1 1 0 8 1 semapl 112 21 0 11 1 0 1 1 0 8 0 shmpl 112 8 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1540 0 133 46 0 46 46 0 8 0 ffsino 272 1540 0 133 95 0 95 95 0 8 1 nchpl 144 1858 0 238 61 0 61 61 0 8 0 uvmvnodes 72 1627 0 0 30 0 30 30 0 8 0 vnodes 208 1627 0 0 86 0 86 86 0 8 0 namei 1024 4842 0 4841 1 0 1 1 0 8 0 percpumem 16 36 0 4 1 0 1 1 0 8 0 scxspl 192 5337 0 5337 2 1 1 2 0 8 1 plimitpl 152 26 0 18 1 0 1 1 0 8 0 sigapl 424 325 0 292 4 0 4 4 0 8 0 futexpl 56 1141 0 1141 1 0 1 1 0 8 1 knotepl 112 75 0 56 1 0 1 1 0 8 0 kqueuepl 144 40 0 38 1 0 1 1 0 8 0 pipelkpl 48 96 0 86 1 0 1 1 0 8 0 pipepl 120 192 0 173 2 0 2 2 0 8 1 fdescpl 496 309 0 292 3 0 3 3 0 8 0 filepl 152 1659 0 1546 5 0 5 5 0 8 0 lockfpl 104 13 0 12 1 0 1 1 0 8 0 lockfspl 48 7 0 6 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 18 0 7 1 0 1 1 0 8 0 ucredpl 96 165 0 156 1 0 1 1 0 8 0 zombiepl 144 293 0 292 1 0 1 1 0 8 0 processpl 960 325 0 292 5 0 5 5 0 8 0 procpl 624 474 0 430 4 0 4 4 0 8 0 sosppl 128 8 0 8 1 0 1 1 0 8 1 sockpl 400 241 0 212 4 0 4 4 0 8 0 mcl64k 65536 1 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 194 0 0 24 0 24 24 0 8 0 mtagpl 80 18 0 0 1 0 1 1 0 8 0 mbufpl 256 208 0 0 13 0 13 13 0 8 0 bufpl 280 4140 0 174 284 0 284 284 0 8 0 anonpl 16 42051 0 27420 62 1 61 61 0 124 2 amapchunkpl 152 1316 0 1180 7 0 7 7 0 158 1 amappl16 192 1245 0 455 42 0 42 42 0 8 2 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 37 0 34 2 1 1 1 0 8 0 amappl13 168 33 0 31 1 0 1 1 0 8 0 amappl12 160 13 0 10 1 0 1 1 0 8 0 amappl11 152 74 0 56 1 0 1 1 0 8 0 amappl10 144 59 0 52 1 0 1 1 0 8 0 amappl9 136 384 0 380 1 0 1 1 0 8 0 amappl8 128 310 0 288 1 0 1 1 0 8 0 amappl7 120 158 0 146 1 0 1 1 0 8 0 amappl6 112 23 0 21 1 0 1 1 0 8 0 amappl5 104 235 0 218 1 0 1 1 0 8 0 amappl4 96 506 0 473 2 1 1 2 0 8 0 amappl3 88 136 0 130 1 0 1 1 0 8 0 amappl2 80 1552 0 1473 3 1 2 3 0 8 0 amappl1 72 16582 0 16126 25 11 14 20 0 8 4 amappl 80 716 0 671 2 0 2 2 0 84 1 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 9 0 0 1 0 1 1 0 8 0 uaddrrnd 24 309 0 292 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 309 0 292 1 0 1 1 0 8 0 vmmpekpl 168 6334 0 6302 2 0 2 2 0 8 0 vmmpepl 168 44478 0 42443 119 4 115 115 0 357 26 vmsppl 368 308 0 292 2 0 2 2 0 8 0 pdppl 4096 625 0 584 6 0 6 6 0 8 0 pvpl 32 144864 0 127002 152 0 152 152 0 265 7 pmappl 232 308 0 292 2 0 2 2 0 8 1 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 175 0 3 5 0 5 5 0 8 0