login: uvm_fault(0xffffffff8258f050, 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(0xffffffff8258f050, 0xfffffd0000000018, 0, 1) -> e sbdrop(ffff800022d8ea28,ffff800022d8eab0,a42) at sbdrop+0x219 sys/kern/uipc_socket2.c:962 end trace frame: 0xffff800022d8e9d0, count: 0 ddb{0}> trace sbdrop(ffff800022d8ea28,ffff800022d8eab0,a42) at sbdrop+0x219 sys/kern/uipc_socket2.c:962 sbflush(ffff800022d8ea28,ffff800022d8eab0) at sbflush+0x93 sys/kern/uipc_socket2.c:931 sbrelease(ffff800022d8ea28,ffff800022d8eab0) at sbrelease+0x2e sys/kern/uipc_socket2.c:525 sorflush(fffffd80741d3c98) at sorflush+0x14b sys/kern/uipc_socket.c:1131 sofree(fffffd80741d3c98,42) at sofree+0x147 sys/kern/uipc_socket.c:257 soclose(fffffd80741d3c98,80) at soclose+0x270 sys/kern/uipc_socket.c:338 soo_close(fffffd8067dc2d28,ffff800020ac64f8) at soo_close+0x40 fdrop(fffffd8067dc2d28,ffff800020ac64f8) at fdrop+0xc2 sys/kern/kern_descrip.c:1276 closef(fffffd8067dc2d28,ffff800020ac64f8) at closef+0x11c sys/kern/kern_descrip.c:1260 fdfree(ffff800020ac64f8) at fdfree+0x101 sys/kern/kern_descrip.c:1192 exit1(ffff800020ac64f8,0,0,1) at exit1+0x344 sys/kern/kern_exit.c:196 sys_exit(ffff800020ac64f8,ffff800022d8ee80,ffff800022d8eed0) at sys_exit+0x16 sys/kern/kern_exit.c:94 syscall(ffff800022d8ef50) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800022d8ef50) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffec5a0, count: -14 ddb{0}> show registers rdi 0 rsi 0x480 rbp 0xffff800022d8e980 rbx 0xfffffd806f1c0200 rdx 0x3dfec acpi_pdirpa+0x29e54 rcx 0 rax 0 r8 0xffffffff8147a268 sbdrop+0x248 r9 0x3 r10 0xe68f30aa4d7f3fb0 r11 0x9908c7c8b6b7542c r12 0x480 r13 0xe00 r14 0xffff800022d8eab0 r15 0xfffffd0000000000 rip 0xffffffff8147a239 sbdrop+0x219 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800022d8e920 ss 0x10 sbdrop+0x219: movl 0x18(%r15),%r13d ddb{0}> show proc PROC (syz-executor.1) pid=4244 stat=onproc flags process=1008 proc=2000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020a6dd48,0xffff800020ac7af8 process=0xffff800020ac9a58 user=0xffff800022d8a000, vmspace=0xfffffd807f000b80 estcpu=36, cpticks=7, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 4718 357407 95339 0 2 0 syz-executor.0 4718 230376 95339 0 2 0x4000000 syz-executor.0 4718 341634 95339 0 3 0x4000080 fsleep syz-executor.0 83994 438897 58038 0 3 0x82 nanosleep syz-executor.1 95339 201273 58038 0 2 0x482 syz-executor.0 58038 3149 44319 0 3 0x82 thrsleep syz-fuzzer 58038 50548 44319 0 3 0x4000082 thrsleep syz-fuzzer 58038 448199 44319 0 3 0x4000082 thrsleep syz-fuzzer 58038 293795 44319 0 3 0x4000082 thrsleep syz-fuzzer 58038 317486 44319 0 3 0x4000082 thrsleep syz-fuzzer 58038 487090 44319 0 3 0x4000082 thrsleep syz-fuzzer 58038 428199 44319 0 3 0x4000082 thrsleep syz-fuzzer 58038 228067 44319 0 3 0x4000082 thrsleep syz-fuzzer 58038 268146 44319 0 3 0x4000082 kqread syz-fuzzer 58038 113313 44319 0 3 0x4000082 thrsleep syz-fuzzer 44319 210826 25992 0 3 0x10008a pause ksh 25992 329578 37415 0 3 0x92 select sshd 31289 444023 1 0 3 0x100083 ttyin getty 37415 423247 1 0 3 0x80 select sshd 35652 1270 86976 74 3 0x100092 bpf pflogd 86976 155590 1 0 3 0x80 netio pflogd 60407 99451 3026 73 3 0x100090 kqread syslogd 3026 65822 1 0 3 0x100082 netio syslogd 31119 144747 1 77 3 0x100090 poll dhclient 21180 402493 1 0 3 0x80 poll dhclient 44179 125798 0 0 3 0x14200 bored smr 12310 75739 0 0 2 0x14200 zerothread 93860 134410 0 0 3 0x14200 aiodoned aiodoned 33582 356629 0 0 3 0x14200 syncer update 83605 378139 0 0 3 0x14200 cleaner cleaner 70564 454622 0 0 7 0x14200 reaper 91862 386170 0 0 3 0x14200 pgdaemon pagedaemon 19989 446413 0 0 3 0x14200 bored crynlk 40049 296377 0 0 3 0x14200 bored crypto 623 339781 0 0 3 0x40014200 acpi0 acpi0 73771 65391 0 0 3 0x40014200 idle1 94201 444900 0 0 3 0x14200 bored softnet 4144 334312 0 0 3 0x14200 bored systqmp 3408 360725 0 0 3 0x14200 bored systq 69448 67335 0 0 3 0x40014200 bored softclock 5685 307246 0 0 3 0x40014200 idle0 1 171134 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 4718 (syz-executor.0) thread 0xffff800020ac69d8 (230376) exclusive rrwlock inode r = 0 (0xfffffd806e6c2098) #0 witness_lock+0x4c5 sys/kern/subr_witness.c:1164 #1 rw_enter+0x453 sys/kern/kern_rwlock.c:311 #2 rrw_enter+0x88 sys/kern/kern_rwlock.c:462 #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:1830 #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 (0xfffffd806e6c23c8) #0 witness_lock+0x4c5 sys/kern/subr_witness.c:1164 #1 rw_enter+0x453 sys/kern/kern_rwlock.c:311 #2 rrw_enter+0x88 sys/kern/kern_rwlock.c:462 #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 9480 6401K 6790K 78643K 10653 0 pcb 13 8K 8K 78643K 31 0 rtable 96 3K 3K 78643K 266 0 ifaddr 48 11K 11K 78643K 57 0 counters 43 33K 34K 78643K 45 0 ioctlops 0 0K 4K 78643K 1469 0 iov 0 0K 2K 78643K 2 0 mount 1 1K 1K 78643K 1 0 vnodes 1219 77K 77K 78643K 1256 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 8 0K 0K 78643K 8 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 6 17K 25K 78643K 74 0 proc 60 63K 95K 78643K 441 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 2 0 in_multi 27 1K 2K 78643K 40 0 ether_multi 1 0K 0K 78643K 2 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 37 175K 175K 78643K 37 0 exec 0 0K 1K 78643K 215 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 100 21K 37K 78643K 1139 0 UVM aobj 2 2K 2K 78643K 2 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 7 0K 0K 78643K 12 0 temp 73 3016K 3080K 78643K 2164 0 kqueue 3 4K 4K 78643K 3 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 57 0 52 1 0 1 1 0 8 0 rtentry 112 49 0 11 2 0 2 2 0 8 0 unpcb 120 51 0 41 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 9 0 9 1 0 1 1 0 8 1 tcpcb 544 26 0 22 1 0 1 1 0 8 0 inpcb 280 129 0 120 2 0 2 2 0 8 1 nd6 48 6 0 3 1 0 1 1 0 8 0 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 45 0 45 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 16 0 0 1 0 1 1 0 8 0 pfstkey 112 16 0 0 1 0 1 1 0 8 0 pfstate 328 16 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 256 198 0 42 12 0 12 12 0 8 1 art_table 32 199 0 42 2 0 2 2 0 8 0 art_node 16 48 0 13 1 0 1 1 0 8 0 semapl 112 6 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1489 0 83 46 0 46 46 0 8 0 ffsino 272 1489 0 83 94 0 94 94 0 8 0 nchpl 144 1771 0 154 61 0 61 61 0 8 0 uvmvnodes 72 1553 0 0 29 0 29 29 0 8 0 vnodes 208 1553 0 0 82 0 82 82 0 8 0 namei 1024 4518 0 4517 1 0 1 1 0 8 0 percpumem 16 33 0 1 1 0 1 1 0 8 0 scxspl 192 5085 0 5085 2 1 1 2 0 8 1 plimitpl 152 15 0 7 1 0 1 1 0 8 0 sigapl 424 289 0 257 4 0 4 4 0 8 0 futexpl 56 652 0 651 1 0 1 1 0 8 0 knotepl 112 53 0 34 1 0 1 1 0 8 0 kqueuepl 144 3 0 0 1 0 1 1 0 8 0 pipelkpl 48 72 0 62 1 0 1 1 0 8 0 pipepl 120 144 0 125 1 0 1 1 0 8 0 fdescpl 496 274 0 257 3 0 3 3 0 8 0 filepl 152 1405 0 1295 5 0 5 5 0 8 0 lockfpl 104 13 0 12 1 0 1 1 0 8 0 lockfspl 48 6 0 5 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 73 0 64 1 0 1 1 0 8 0 zombiepl 144 258 0 257 1 0 1 1 0 8 0 processpl 960 289 0 257 5 0 5 5 0 8 1 procpl 624 393 0 349 4 0 4 4 0 8 0 sockpl 400 237 0 212 4 0 4 4 0 8 1 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 135 0 0 16 0 16 16 0 8 0 mtagpl 80 4 0 0 1 0 1 1 0 8 0 mbufpl 256 267 0 0 17 0 17 17 0 8 0 bufpl 280 4101 0 173 281 0 281 281 0 8 0 anonpl 16 37525 0 24795 53 1 52 52 0 124 0 amapchunkpl 152 1597 0 1455 20 0 20 20 0 158 13 amappl16 192 959 0 277 35 0 35 35 0 8 0 amappl15 184 9 0 7 1 0 1 1 0 8 0 amappl14 176 27 0 24 2 1 1 1 0 8 0 amappl13 168 25 0 24 1 0 1 1 0 8 0 amappl12 160 2 0 2 1 1 0 1 0 8 0 amappl11 152 69 0 51 1 0 1 1 0 8 0 amappl10 144 14 0 11 1 0 1 1 0 8 0 amappl9 136 417 0 410 1 0 1 1 0 8 0 amappl8 128 316 0 300 1 0 1 1 0 8 0 amappl7 120 121 0 110 1 0 1 1 0 8 0 amappl6 112 23 0 21 1 0 1 1 0 8 0 amappl5 104 170 0 154 1 0 1 1 0 8 0 amappl4 96 503 0 469 2 1 1 2 0 8 0 amappl3 88 128 0 120 1 0 1 1 0 8 0 amappl2 80 1264 0 1186 3 1 2 3 0 8 0 amappl1 72 15978 0 15520 25 9 16 20 0 8 5 amappl 80 644 0 596 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 1 0 0 1 0 1 1 0 8 0 uaddrrnd 24 274 0 257 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 274 0 257 1 0 1 1 0 8 0 vmmpekpl 168 6010 0 5977 2 0 2 2 0 8 0 vmmpepl 168 39950 0 38029 101 4 97 97 0 357 13 vmsppl 368 273 0 257 2 0 2 2 0 8 0 pdppl 4096 556 0 514 6 0 6 6 0 8 0 pvpl 32 137190 0 121226 132 0 132 132 0 265 3 pmappl 232 273 0 257 2 0 2 2 0 8 1 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 168 0 3 5 0 5 5 0 8 0