kern.securelevel: 0 -> 1 creating runtime link editor directory cache. preserving editor files. starting network daemons: sshd. starting local daemons:. Tue Mar 1 00:51:36 PST 2022 OpenBSD/amd64 (ci-openbsd-setuid-7.c.syzkaller.internal) (tty00) Warning: Permanently added '10.128.1.70' (ED25519) to the list of known hosts. 2022/03/01 00:58:15 parsed 1 programs 2022/03/01 00:58:19 executed programs: 0 2022/03/01 00:58:24 executed programs: 317 2022/03/01 00:58:29 executed programs: 686 2022/03/01 00:58:34 executed programs: 1073 2022/03/01 00:58:39 executed programs: 1455 2022/03/01 00:58:44 executed programs: 1834 2022/03/01 00:58:49 executed programs: 2216 2022/03/01 00:58:54 executed programs: 2591 2022/03/01 00:58:59 executed programs: 2970 2022/03/01 00:59:04 executed programs: 3340 2022/03/01 00:59:09 executed programs: 3715 2022/03/01 00:59:14 executed programs: 4086 2022/03/01 00:59:19 executed programs: 4461 2022/03/01 00:59:24 executed programs: 4844 2022/03/01 00:59:29 executed programs: 5209 2022/03/01 00:59:34 executed programs: 5582 login: panic: kernel diagnostic assertion "next != NULL && next->start <= entry->end" failed: file "/syzkaller/managers/setuid/kernel/sys/uvm/uvm_fault.c", line 1643 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 256887 87958 32767 0x10 0x4000000 1 syz-executor.4 *509015 87958 32767 0x10 0x4000000 0K syz-executor.4 db_enter() at db_enter+0x18 panic(ffffffff82576769) at panic+0x177 __assert(ffffffff825ea40b,ffffffff82549618,66b,ffffffff82558d47) at __assert+0x25 uvm_fault_unwire_locked(fffffd806b03b5d8,20000000,20011000) at uvm_fault_unwire_locked+0x2eb uvm_fault_unwire(fffffd806b03b5d8,20000000,20011000) at uvm_fault_unwire+0x3f sys_sysctl(ffff80002134bcf0,ffff8000212f41c8,ffff8000212f4220) at sys_sysctl+0x229 syscall(ffff8000212f4290) at syscall+0x489 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x510d4717290, count: 7 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 *cpu0: kernel diagnostic assertion "next != NULL && next->start <= entry->end" failed: file "/syzkaller/managers/setuid/kernel/sys/uvm/uvm_fault.c", line 1643 ddb{0}> trace db_enter() at db_enter+0x18 panic(ffffffff82576769) at panic+0x177 __assert(ffffffff825ea40b,ffffffff82549618,66b,ffffffff82558d47) at __assert+0x25 uvm_fault_unwire_locked(fffffd806b03b5d8,20000000,20011000) at uvm_fault_unwire_locked+0x2eb uvm_fault_unwire(fffffd806b03b5d8,20000000,20011000) at uvm_fault_unwire+0x3f sys_sysctl(ffff80002134bcf0,ffff8000212f41c8,ffff8000212f4220) at sys_sysctl+0x229 syscall(ffff8000212f4290) at syscall+0x489 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x510d4717290, count: -8 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff8000212f3f50 rbx 0xffffffff828ebbff cpu_info_full_primary+0x2bff rdx 0x3fd rcx 0 rax 0x9f r8 0x101010101010101 r9 0x8080808080808080 r10 0xa3412523b639743c r11 0x92afa2c8e7f2695d r12 0xffffffff828eba00 cpu_info_full_primary+0x2a00 r13 0 r14 0 r15 0x1 rip 0xffffffff82285cc8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff8000212f3f40 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.4) pid=509015 stat=onproc flags process=10 proc=4000000 pri=36, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff5a48,0xffffffff82abbde8 process=0xffff8000fffeedd8 user=0xffff8000212ef000, vmspace=0xfffffd806b03b5d8 estcpu=36, cpticks=3, pctcpu=0.0 user=0, sys=2, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 49478 149586 39035 32767 2 0x490 syz-executor.3 49478 108199 39035 32767 3 0x4000090 fsleep syz-executor.3 87958 480476 13052 32767 2 0x490 syz-executor.4 87958 256887 13052 32767 7 0x4000010 syz-executor.4 *87958 509015 13052 32767 7 0x4000010 syz-executor.4 43823 53225 93326 32767 2 0x490 syz-executor.7 43823 93171 93326 32767 3 0x4000090 fsleep syz-executor.7 42541 121216 76846 32767 2 0x490 syz-executor.6 18262 446702 95520 32767 3 0x90 piperd syz-executor.2 76846 456026 25794 0 3 0x82 wait syz-executor.6 60953 63772 92446 32767 2 0x490 syz-executor.5 95520 143419 25794 0 3 0x82 wait syz-executor.2 13052 239450 5324 32767 2 0x490 syz-executor.4 39035 70198 29934 32767 2 0x490 syz-executor.3 93326 491215 50992 32767 2 0x490 syz-executor.7 92446 188246 25794 0 3 0x82 wait syz-executor.5 5324 88290 25794 0 3 0x82 wait syz-executor.4 29934 470958 25794 0 3 0x82 wait syz-executor.3 50992 397134 25794 0 3 0x82 wait syz-executor.7 29474 25487 96521 32767 2 0x490 syz-executor.1 26819 320282 7579 32767 3 0x90 piperd syz-executor.0 96521 492144 25794 0 3 0x82 wait syz-executor.1 7579 475980 25794 0 3 0x82 wait syz-executor.0 25794 134900 96203 0 3 0x82 kqread syz-execprog 25794 329711 96203 0 2 0x4000482 syz-execprog 25794 512329 96203 0 3 0x4000082 thrsleep syz-execprog 25794 313980 96203 0 3 0x4000082 thrsleep syz-execprog 25794 271303 96203 0 3 0x4000082 thrsleep syz-execprog 25794 306763 96203 0 3 0x4000082 thrsleep syz-execprog 25794 333233 96203 0 3 0x4000082 thrsleep syz-execprog 25794 119128 96203 0 3 0x4000082 thrsleep syz-execprog 25794 248306 96203 0 3 0x4000082 thrsleep syz-execprog 25794 273215 96203 0 3 0x4000082 thrsleep syz-execprog 96203 344118 55086 0 3 0x10008a sigsusp ksh 55086 398285 32653 0 3 0x9a kqread sshd 83467 167539 1 0 3 0x100083 ttyin getty 32653 496346 1 0 3 0x88 kqread sshd 97861 24658 18659 73 3 0x1100090 kqread syslogd 18659 102426 1 0 3 0x100082 netio syslogd 78224 27394 1 0 3 0x100080 kqread resolvd 60789 14943 8965 77 3 0x100092 kqread dhcpleased 49017 76617 8965 77 3 0x100092 kqread dhcpleased 8965 299672 1 0 3 0x80 kqread dhcpleased 78176 349648 0 0 3 0x14200 bored smr 75410 78379 0 0 2 0x14200 zerothread 6508 57518 0 0 3 0x14200 aiodoned aiodoned 51555 123647 0 0 3 0x14200 syncer update 97169 493229 0 0 3 0x14200 cleaner cleaner 69576 143683 0 0 3 0x14200 reaper reaper 34778 435491 0 0 3 0x14200 pgdaemon pagedaemon 15882 167846 0 0 3 0x14200 bored viomb 86686 213294 0 0 3 0x40014200 acpi0 acpi0 92569 42955 0 0 3 0x40014200 idle1 63748 444587 0 0 3 0x14200 bored softnet 94070 305848 0 0 3 0x14200 bored systqmp 67390 161389 0 0 3 0x14200 bored systq 89081 118457 0 0 3 0x40014200 bored softclock 794 426475 0 0 3 0x40014200 idle0 1 206153 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 87958 (syz-executor.4) thread 0xffff80002134bcf0 (509015) exclusive rwlock amaplk r = 0 (0xfffffd806a9a16d8) #0 witness_lock+0x44d #1 uvm_map_lock_entry+0x36 #2 uvm_fault_unwire_locked+0x1e8 #3 uvm_fault_unwire+0x3f #4 sys_sysctl+0x229 #5 syscall+0x489 #6 Xsyscall+0x128 shared rwlock vmmaplk r = 0 (0xfffffd806b03b5f0) #0 witness_lock+0x44d #1 rw_enter+0x3e1 #2 uvm_fault_unwire+0x31 #3 sys_sysctl+0x229 #4 syscall+0x489 #5 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82a3b270) #0 witness_lock+0x44d #1 __mp_acquire_count+0x48 #2 mi_switch+0x3d3 #3 sleep_finish+0x198 #4 rw_enter+0x35a #5 uvm_fault_unwire+0x31 #6 sys_sysctl+0x229 #7 syscall+0x489 #8 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff828fe3f0) #0 witness_lock+0x44d #1 rw_enter+0x3e1 #2 sys_sysctl+0x1b3 #3 syscall+0x489 #4 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10167 6406K 6419K 78643K 11257 0 pcb 13 8K 8K 78643K 13 0 rtable 238 6K 7K 78643K 348 0 ifaddr 81 16K 16K 78643K 82 0 counters 56 35K 35K 78643K 56 0 ioctlops 0 0K 2K 78643K 33 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1166 73K 73K 78643K 1179 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 2 0K 0K 78643K 2 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 21 77K 125K 78643K 5996 0 proc 56 74K 123K 78643K 451 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 99 6K 6K 78643K 99 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 25 122K 122K 78643K 25 0 exec 0 0K 2K 78643K 608 0 tdb 3 0K 0K 78643K 3 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 246 75K 76K 78643K 71352 0 UVM aobj 3 2K 2K 78643K 3 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 11 0K 2K 78643K 27 0 temp 52 4687K 4751K 78643K 15747 0 kqueue 12 18K 18K 78643K 25 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 plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 33 0 30 1 0 1 1 0 8 0 rtentry 112 111 0 1 4 0 4 4 0 8 0 unpcb 136 33 0 20 1 0 1 1 0 8 0 syncache 296 5 0 5 2 2 0 1 0 8 0 tcpcb 736 8 0 5 1 0 1 1 0 8 0 arp 120 18 0 0 1 0 1 1 0 8 0 inpcb 304 57 0 51 1 0 1 1 0 8 0 nd6 48 24 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 453 0 0 29 0 29 29 0 8 0 art_table 32 454 0 0 4 0 4 4 0 8 0 art_node 16 110 0 10 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 7331 0 5902 90 0 90 90 0 8 0 ffsino 272 7331 0 5902 96 0 96 96 0 8 0 nchpl 144 13432 0 11773 62 0 62 62 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 224 5926 0 0 349 0 349 349 0 8 0 namei 1024 29130 0 29130 3 2 1 2 0 8 1 percpumem 16 40 0 0 1 0 1 1 0 8 0 scxspl 216 40644 0 40644 21 20 1 8 0 8 1 plimitpl 152 31 0 9 1 0 1 1 0 8 0 sigapl 424 6277 0 6228 7 1 6 7 0 8 0 futexpl 64 13987 0 13985 1 0 1 1 0 8 0 knotepl 120 102 0 0 4 0 4 4 0 8 0 kqueuepl 216 21 0 13 1 0 1 1 0 8 0 pipepl 336 127 0 99 4 1 3 3 0 8 0 fdescpl 496 6263 0 6231 7 2 5 6 0 8 0 filepl 152 7258 0 7130 6 0 6 6 0 8 1 lockfpl 104 6 0 4 1 0 1 1 0 8 0 lockfspl 48 4 0 2 1 0 1 1 0 8 0 sessionpl 144 25 0 9 1 0 1 1 0 8 0 pgrppl 48 25 0 9 1 0 1 1 0 8 0 ucredpl 96 88 0 70 1 0 1 1 0 8 0 zombiepl 144 6231 0 6228 2 1 1 1 0 8 0 processpl 1064 6277 0 6228 5 1 4 4 0 8 0 procpl 672 12363 0 12301 6 0 6 6 0 8 0 sockpl 480 123 0 101 4 1 3 4 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 65 0 0 8 0 8 8 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 296 0 0 18 0 18 18 0 8 0 bufpl 288 9406 0 3071 453 0 453 453 0 8 0 anonpl 24 1470292 0 1464080 54 9 45 45 0 186 0 amapchunkpl 152 167204 0 166675 27 1 26 26 0 158 1 amappl16 200 6319 0 6203 8 1 7 7 0 8 0 amappl15 192 842 0 835 1 0 1 1 0 8 0 amappl14 184 707 0 703 1 0 1 1 0 8 0 amappl13 176 830 0 827 2 1 1 1 0 8 0 amappl12 168 1472 0 1467 2 1 1 1 0 8 0 amappl11 160 42 0 32 1 0 1 1 0 8 0 amappl10 152 40 0 38 2 1 1 1 0 8 0 amappl9 144 1182 0 1175 1 0 1 1 0 8 0 amappl8 136 2044 0 2004 2 0 2 2 0 8 0 amappl7 128 1617 0 1598 1 0 1 1 0 8 0 amappl6 120 953 0 929 2 1 1 2 0 8 0 amappl5 112 6044 0 6025 1 0 1 1 0 8 0 amappl4 104 6539 0 6514 2 1 1 2 0 8 0 amappl3 96 1626 0 1613 1 0 1 1 0 8 0 amappl2 88 1254 0 1212 3 1 2 3 0 8 0 amappl1 80 106047 0 105454 21 7 14 18 0 8 0 amappl 88 70817 0 70623 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 6263 0 6231 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 6263 0 6231 1 0 1 1 0 8 0 vmmpekpl 168 39174 0 39148 2 0 2 2 0 8 0 vmmpepl 168 493287 0 491378 108 8 100 100 0 357 4 vmsppl 368 6262 0 6231 4 0 4 4 0 8 0 rwobjpl 56 124350 0 117479 100 1 99 99 0 8 1 pdppl 4096 12533 0 12462 113 32 81 95 0 8 10 pvpl 32 3983110 0 3972525 267 77 190 260 0 265 92 pmappl 248 6262 0 6231 4 1 3 3 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 828 0 37 23 0 23 23 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x18 panic(ffffffff82576769) at panic+0x177 __assert(ffffffff825ea40b,ffffffff82549618,66b,ffffffff82558d47) at __assert+0x25 uvm_fault_unwire_locked(fffffd806b03b5d8,20000000,20011000) at uvm_fault_unwire_locked+0x2eb uvm_fault_unwire(fffffd806b03b5d8,20000000,20011000) at uvm_fault_unwire+0x3f sys_sysctl(ffff80002134bcf0,ffff8000212f41c8,ffff8000212f4220) at sys_sysctl+0x229 syscall(ffff8000212f4290) at syscall+0x489 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x510d4717290, count: -8 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffff800020ce8ff0) at x86_ipi_db+0x1a x86_ipi_handler() at x86_ipi_handler+0xb7 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff82a3b068) at __mp_lock+0x122 syscall(ffff80002124ed60) at syscall+0x3ef Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x51131dcda50, count: 9 ddb{1}> trace x86_ipi_db(ffff800020ce8ff0) at x86_ipi_db+0x1a x86_ipi_handler() at x86_ipi_handler+0xb7 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff82a3b068) at __mp_lock+0x122 syscall(ffff80002124ed60) at syscall+0x3ef Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x51131dcda50, count: -6