Wpanic:A vRoNpING_g:e SnePrLic _bNadOTo pL OWSEtREaD rtiOnN g TstaRckA P tEXracIT ea ..0. Stopped at proc_trampoline+0xc7: movl $0,%gs:0x680 TID PID UID PRFLAGS PFLAGS CPU COMMAND * 31905 88912 0 0x8000002 0 0 syz-executor.3 28076 5173 0 0x8000002 0 1K syz-executor.7 proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x73f40002c2b0, count: 14 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu1: vop_generic_badop ddb{0}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x73f40002c2b0, count: -1 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff8000373a6600 rbx 0 rdx 0 rcx 0xffff8000ffff4550 rax 0x2a r8 0xffff8000373a6530 r9 0xf265e3fb001 r10 0x43c296705c310888 r11 0xf159b97f048ad109 r12 0 r13 0 r14 0 r15 0 rip 0xffffffff812604c7 proc_trampoline+0xc7 cs 0x8 rflags 0x246 rsp 0xffff8000373a6580 ss 0 proc_trampoline+0xc7: movl $0,%gs:0x680 ddb{0}> show proc PROC (syz-executor.3) tid=31905 pid=88912 tcnt=1 stat=onproc flags process=8000002 proc=0 runpri=83, usrpri=83, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a1fc2b8,0xffff80002a2094c8 process=0xffff8000ffff2c78 user=0xffff8000373a1000, vmspace=0xfffffd806ab778a8 estcpu=36, cpticks=1, pctcpu=0.4, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 2312 39466 10257 0 2 0x8000000 syz-executor.2 52890 449132 92796 0 2 0x8000000 syz-executor.5 52890 297177 92796 0 3 0xc000080 sbwait syz-executor.5 39986 107079 11050 0 2 0x8000000 syz-executor.6 39986 112836 11050 0 3 0xc000080 fsleep syz-executor.6 21580 161748 57613 0 2 0x8000000 syz-executor.1 21580 515957 57613 0 3 0xc000080 fsleep syz-executor.1 15279 444385 0 0 3 0x14200 acct acct 11050 521010 27200 0 3 0x8000082 nanoslp syz-executor.6 75565 22405 27200 0 2 0x8000002 syz-executor.4 10257 374844 27200 0 2 0x8000002 syz-executor.2 *88912 31905 27200 0 7 0x8000002 syz-executor.3 5173 28076 27200 0 7 0x8000002 syz-executor.7 92796 59034 27200 0 3 0x8000082 nanoslp syz-executor.5 28607 457833 27200 0 2 0x8000002 syz-executor.0 57613 98096 27200 0 3 0x8000082 nanoslp syz-executor.1 49014 311055 0 0 3 0x14200 bored sosplice 27200 52218 46985 0 3 0x1a000082 wait syz-fuzzer 27200 251931 46985 0 3 0x1e000082 nanoslp syz-fuzzer 27200 439389 46985 0 3 0x1e000082 wait syz-fuzzer 27200 132697 46985 0 3 0x1e000082 kqread syz-fuzzer 27200 406455 46985 0 3 0x1e000082 thrsleep syz-fuzzer 27200 102186 46985 0 3 0x1e000082 wait syz-fuzzer 27200 289138 46985 0 3 0x1e000082 thrsleep syz-fuzzer 27200 400929 46985 0 3 0x1e000082 wait syz-fuzzer 27200 61389 46985 0 3 0x1e000082 thrsleep syz-fuzzer 27200 490230 46985 0 3 0x1e000082 wait syz-fuzzer 27200 474207 46985 0 3 0x1e000082 thrsleep syz-fuzzer 27200 266075 46985 0 3 0x1e000082 wait syz-fuzzer 27200 195135 46985 0 3 0x1e000082 wait syz-fuzzer 27200 271648 46985 0 3 0x1e000082 thrsleep syz-fuzzer 27200 488025 46985 0 3 0x1e000082 thrsleep syz-fuzzer 27200 305760 46985 0 3 0x1e000082 wait syz-fuzzer 27200 214945 46985 0 3 0x1e000082 thrsleep syz-fuzzer 46985 5592 60358 0 3 0x810008a sigsusp ksh 60358 322575 50386 0 3 0x1800009a kqread sshd 25545 449630 1 0 3 0x18100083 ttyin getty 50386 105637 1 0 3 0x18000088 kqread sshd 79246 55289 97890 73 3 0x19100090 kqread syslogd 97890 21598 1 0 3 0x18100082 sbwait syslogd 11251 398955 1 0 3 0x18100080 kqread resolvd 26133 190378 0 0 3 0x14200 bored smr 28147 80031 0 0 2 0x14200 zerothread 57112 31101 0 0 3 0x14200 aiodoned aiodoned 11298 262180 0 0 3 0x14200 syncer update 73416 399884 0 0 3 0x14200 cleaner cleaner 56073 464531 0 0 3 0x14200 reaper reaper 53747 105743 0 0 3 0x14200 pgdaemon pagedaemon 35191 331041 0 0 3 0x14200 bored viomb 12300 240872 0 0 3 0x40014200 acpi0 acpi0 28010 133215 0 0 3 0x40014200 idle1 19442 421485 0 0 3 0x14200 bored softnet3 75336 109708 0 0 3 0x14200 bored softnet2 31100 267407 0 0 3 0x14200 bored softnet1 34086 294427 0 0 2 0x14200 softnet0 5684 53952 0 0 3 0x14200 bored systqmp 11429 444046 0 0 3 0x14200 bored systq 86824 411849 0 0 3 0x14200 tmoslp softclockmp 79386 127027 0 0 3 0x40014200 tmoslp softclock 43202 332405 0 0 3 0x40014200 idle0 1 67145 0 0 3 0x8080082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd806463b4f0) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 mtx_enter_try+0x103 #2 mtx_enter+0x4e sys/kern/kern_lock.c:266 #3 pmap_extract+0x8f sys/arch/amd64/amd64/pmap.c:1550 #4 uvm_fault_upper_lookup+0x139 sys/uvm/uvm_fault.c:860 #5 uvm_fault+0x129 sys/uvm/uvm_fault.c:605 #6 upageflttrap+0x8e sys/arch/amd64/amd64/trap.c:188 #7 usertrap+0x22a sys/arch/amd64/amd64/trap.c:436 #8 recall_trap+0x8 Process 52890 (syz-executor.5) thread 0xffff80002a2082c8 (297177) Process 75565 (syz-executor.4) thread 0xffff80002a1fd738 (22405) Process 88912 (syz-executor.3) thread 0xffff8000ffff4550 (31905) Process 5173 (syz-executor.7) thread 0xffff80002a1fc2b8 (28076) ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10218 6525K 6781K 166960K 18822 0 pcb 17 20K 22K 166960K 2376 0 rtable 221 15K 16K 166960K 4628 0 pf 34 9K 10K 166960K 688 0 ifaddr 43 18K 21K 166960K 640 0 ifgroup 59 2K 2K 166960K 1200 0 sysctl 4 1K 5K 166960K 36 0 counters 68 36K 37K 166960K 626 0 ioctlops 0 0K 4K 166960K 2467 0 iov 0 0K 30K 166960K 993 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1536 96K 97K 166960K 9800 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 317 0 VM map 2 1K 1K 166960K 2 0 sem 16 1K 1K 166960K 65 0 dirhash 15 2K 2K 166960K 204 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 14 49K 85K 166960K 14388 0 sigio 0 0K 0K 166960K 315 0 proc 52 54K 115K 166960K 4099 0 subproc 104 6K 8K 166960K 1371 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 3134 0 in_multi 87 6K 7K 166960K 1756 0 ether_multi 1 0K 0K 166960K 213 0 mrt 3 0K 0K 166960K 60 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 265 1182K 1182K 166960K 265 0 exec 0 0K 1K 166960K 3434 0 pfkey data 0 0K 0K 166960K 23 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 296 277K 287K 166960K 129819 0 UVM aobj 128 8K 8K 166960K 162 0 pinsyscall 28 56K 100K 166960K 18097 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 963 0 NDP 13 0K 2K 166960K 497 0 temp 130 6821K 7316K 166960K 408141 0 kqueue 8 14K 31K 166960K 2277 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 24 0 0 1 0 1 1 0 8 0 rtpcb 120 1793 0 1792 7 6 1 3 0 8 0 rtentry 112 1474 0 1377 8 4 4 4 0 8 0 unpcb 144 14801 0 14789 88 87 1 9 0 8 0 syncache 336 4 0 4 1 1 0 1 0 8 0 tcpqe 32 35 0 35 1 1 0 1 0 8 0 tcpcb 808 5270 0 5265 133 125 8 14 0 8 7 arp 120 266 0 251 1 0 1 1 0 8 0 inpcb 384 19506 0 19497 245 237 8 29 0 8 6 nd6 136 388 0 364 5 3 2 2 0 8 1 pkpcb 40 79 0 79 33 32 1 1 0 8 1 kcovpl 48 105 0 97 1 0 1 1 0 8 0 ppxss 1168 37 0 37 24 24 0 1 0 8 0 pffrag 232 96 0 93 2 1 1 1 0 482 0 pffrnode 88 95 0 92 2 1 1 1 0 8 0 pffrent 40 891 0 888 3 2 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 1023 0 956 1 0 1 1 0 8 0 pfstkey 128 1023 0 956 4 1 3 3 0 8 0 pfstate 376 1023 0 956 21 14 7 9 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 6 0 5 4 3 1 3 0 8 0 art_heap4 256 5139 0 4705 73 43 30 31 0 8 0 art_table 32 5145 0 4710 5 1 4 4 0 8 0 art_node 16 1394 0 1306 1 0 1 1 0 8 0 sysvmsgpl 40 9 0 6 1 0 1 1 0 8 0 semapl 112 58 0 44 1 0 1 1 0 8 0 shmpl 112 159 0 34 4 0 4 4 0 8 0 dirhash 1024 145 0 126 3 0 3 3 0 8 0 dino2pl 256 26174 0 24545 103 0 103 103 0 8 0 ffsino 272 26174 0 24545 110 1 109 109 0 8 0 nchpl 144 47881 0 47232 67 40 27 67 0 8 0 uvmvnodes 80 11773 0 0 241 0 241 241 0 8 0 vnodes 216 11773 0 0 655 0 655 655 0 8 0 namei 1024 174996 0 174995 16 15 1 2 0 8 0 percpumem 16 327 0 279 1 0 1 1 0 8 0 vcpupl 3904 51 0 5 6 0 6 6 0 8 0 vmpool 696 118 0 72 9 4 5 5 0 8 0 kstatmem 264 584 0 558 4 1 3 3 0 8 0 scsiplug 72 35 0 35 24 23 1 1 0 8 1 scxspl 216 233976 0 233976 45 42 3 8 1 8 3 plimitpl 152 3508 0 3494 1 0 1 1 0 8 0 sigapl 424 14511 0 14469 7 1 6 6 0 8 0 futexpl 64 214650 0 214648 15 14 1 1 0 8 0 knotepl 120 1460 0 0 24 0 24 24 0 8 0 kqueuepl 216 4856 0 4848 27 26 1 5 0 8 0 pipepl 320 2341 0 2313 27 24 3 9 0 8 0 fdescpl 496 14489 0 14467 5 1 4 5 0 8 0 filepl 152 114187 0 113959 150 137 13 34 0 8 1 lockfpl 104 3580 0 3578 5 4 1 2 0 8 0 lockfspl 48 1207 0 1205 1 0 1 1 0 8 0 sessionpl 144 117 0 102 1 0 1 1 0 8 0 pgrppl 48 343 0 328 1 0 1 1 0 8 0 ucredpl 104 23158 0 23145 1 0 1 1 0 8 0 zombiepl 144 14469 0 14469 2 1 1 1 0 8 1 processpl 1136 14511 0 14469 4 0 4 4 0 8 0 procpl 656 33430 0 33369 16 9 7 8 0 8 0 srpgc 96 77 0 77 26 25 1 1 0 8 1 sosppl 168 212 0 212 43 42 1 1 0 8 1 sockpl 664 36401 0 36382 297 288 9 41 0 8 7 mcl64k 65536 13 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 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 15 0 0 2 0 2 2 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 905 0 0 49 24 25 49 0 8 0 mtagpl 96 16 0 0 1 0 1 1 0 8 0 mbufpl 256 1908 0 0 69 0 69 69 0 8 0 bufpl 280 33825 0 22048 842 0 842 842 0 8 0 anonpl 24 1694176 0 1688379 341 272 69 115 0 186 0 amapchunkpl 152 417871 0 417298 242 202 40 59 0 158 10 amappl16 200 36037 0 35879 247 225 22 33 0 8 8 amappl15 192 42 0 41 1 0 1 1 0 8 0 amappl14 184 470 0 459 2 1 1 2 0 8 0 amappl13 176 12 0 12 3 3 0 1 0 8 0 amappl12 168 16608 0 16585 2 0 2 2 0 8 0 amappl11 160 85 0 80 1 0 1 1 0 8 0 amappl10 152 181 0 170 2 1 1 1 0 8 0 amappl9 144 335 0 335 5 5 0 1 0 8 0 amappl8 136 484 0 433 3 0 3 3 0 8 0 amappl7 128 78 0 62 1 0 1 1 0 8 0 amappl6 120 1712 0 1696 2 1 1 2 0 8 0 amappl5 112 541 0 531 1 0 1 1 0 8 0 amappl4 104 1362 0 1329 4 2 2 3 0 8 0 amappl3 96 78259 0 78193 3 0 3 3 0 8 0 amappl2 88 15155 0 15102 4 2 2 4 0 8 0 amappl1 80 58889 0 58499 22 10 12 22 0 8 0 amappl 88 127573 0 127394 6 0 6 6 0 92 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 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 72 161 0 34 4 1 3 3 0 8 0 uaddrrnd 24 14607 0 14539 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 14607 0 14539 1 0 1 1 0 8 0 vmmpekpl 168 99419 0 99344 4 0 4 4 0 8 0 vmmpepl 168 871274 0 869680 292 199 93 115 0 357 2 vmsppl 440 14606 0 14539 13 4 9 9 0 8 0 rwobjpl 56 207563 0 194681 225 40 185 185 0 8 1 pdppl 4096 29221 0 29124 563 458 105 110 0 8 8 pvpl 32 48569 0 0 392 0 392 392 0 265 0 pmappl 248 14606 0 14539 6 1 5 5 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1157 0 696 14 0 14 14 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x73f40002c2b0, count: -1 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffff800029cebff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __sanitizer_cov_trace_const_cmp4(0,ffff80002f0d5aa0) at __sanitizer_cov_trace_const_cmp4+0x13 sys/dev/kcov.c:234 db_elf_sym_search(ffffffff8224db3f,0,ffff80002f0d5b30) at db_elf_sym_search+0x7e sys/ddb/db_elf.c:280 db_search_symbol(ffffffff8224db3f,0,ffff80002f0d5ba0) at db_search_symbol+0x49 sys/ddb/db_sym.c:106 db_stack_trace_print(ffff80002f0d5c70,1,100,ffffffff828a3901,ffffffff8224e010) at db_stack_trace_print+0x225 sys/arch/amd64/amd64/db_trace.c:147 db_stack_dump() at db_stack_dump+0x7a sys/ddb/db_output.c:243 panic(ffffffff82892305) at panic+0x16f sys/kern/subr_prf.c:229 vop_generic_badop(ffff80002f0d5d48) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd807b46de70,fffffd8072926248) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:628 bwrite(fffffd8072926248) at bwrite+0x1d3 sys/kern/vfs_bio.c:757 VOP_BWRITE(fffffd8072926248) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640 ufs_mkdir(ffff80002f0d5fc0) at ufs_mkdir+0x445 sys/ufs/ufs/ufs_vnops.c:1165 end trace frame: 0xffff80002f0d6030, count: 0 ddb{1}> trace x86_ipi_db(ffff800029cebff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __sanitizer_cov_trace_const_cmp4(0,ffff80002f0d5aa0) at __sanitizer_cov_trace_const_cmp4+0x13 sys/dev/kcov.c:234 db_elf_sym_search(ffffffff8224db3f,0,ffff80002f0d5b30) at db_elf_sym_search+0x7e sys/ddb/db_elf.c:280 db_search_symbol(ffffffff8224db3f,0,ffff80002f0d5ba0) at db_search_symbol+0x49 sys/ddb/db_sym.c:106 db_stack_trace_print(ffff80002f0d5c70,1,100,ffffffff828a3901,ffffffff8224e010) at db_stack_trace_print+0x225 sys/arch/amd64/amd64/db_trace.c:147 db_stack_dump() at db_stack_dump+0x7a sys/ddb/db_output.c:243 panic(ffffffff82892305) at panic+0x16f sys/kern/subr_prf.c:229 vop_generic_badop(ffff80002f0d5d48) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd807b46de70,fffffd8072926248) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:628 bwrite(fffffd8072926248) at bwrite+0x1d3 sys/kern/vfs_bio.c:757 VOP_BWRITE(fffffd8072926248) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640 ufs_mkdir(ffff80002f0d5fc0) at ufs_mkdir+0x445 sys/ufs/ufs/ufs_vnops.c:1165 VOP_MKDIR(fffffd807a3c1c28,ffff80002f0d6120,ffff80002f0d6150,ffff80002f0d6050) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 domkdirat(ffff80002a1fc2b8,ffffff9c,72c18c2ac860,1ff) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3077 syscall(ffff80002f0d62d0) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff80002f0d62d0) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x72c18c2ac8d0, count: -18