panic: pvaonpi_cge:ne kerrinc_ebladdiopag Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 157206 37600 32767 0x10 0x4000000 1 syz-executor.1 * 97250 40304 32767 0x10 0 0 syz-executor.7 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8278ad0e) at panic+0x17b sys/kern/subr_prf.c:198 vop_generic_badop(ffff80002d9eb518) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd807dcbb2e8,fffffd805d508c70) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:628 bwrite(fffffd805d508c70) at bwrite+0x1f4 sys/kern/vfs_bio.c:760 VOP_BWRITE(fffffd805d508c70) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640 ufs_mkdir(ffff80002d9eb7b0) at ufs_mkdir+0x6c4 sys/ufs/ufs/ufs_vnops.c:1235 VOP_MKDIR(fffffd8067d31048,ffff80002d9eb910,ffff80002d9eb940,ffff80002d9eb840) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 domkdirat(ffff800021220b00,ffffff9c,782849b4c860,1ff) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3074 syscall(ffff80002d9ebac0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002d9ebac0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x782849b4c8d0, count: 4 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: vop_generic_badop cpu1: kernel diagnostic assertion "!_kernel_lock_held()" failed: file "/syzkaller/managers/setuid/kernel/sys/kern/kern_fork.c", line 675 ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8278ad0e) at panic+0x17b sys/kern/subr_prf.c:198 vop_generic_badop(ffff80002d9eb518) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd807dcbb2e8,fffffd805d508c70) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:628 bwrite(fffffd805d508c70) at bwrite+0x1f4 sys/kern/vfs_bio.c:760 VOP_BWRITE(fffffd805d508c70) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640 ufs_mkdir(ffff80002d9eb7b0) at ufs_mkdir+0x6c4 sys/ufs/ufs/ufs_vnops.c:1235 VOP_MKDIR(fffffd8067d31048,ffff80002d9eb910,ffff80002d9eb940,ffff80002d9eb840) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 domkdirat(ffff800021220b00,ffffff9c,782849b4c860,1ff) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3074 syscall(ffff80002d9ebac0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002d9ebac0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x782849b4c8d0, count: -11 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002d9eb440 rbx 0xffffffff82ba4b8f cpu_info_full_primary+0x2b8f rdx 0 rcx 0 rax 0xffff800021220b00 r8 0x101010101010101 r9 0x8080808080808080 r10 0x979a5869bb8ad0c r11 0x613498cefc30927b r12 0xffffffff82ba4990 cpu_info_full_primary+0x2990 r13 0 r14 0 r15 0x1 rip 0xffffffff815457ac db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80002d9eb430 ss 0 db_enter+0x1c: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.7) pid=97250 stat=onproc flags process=10 proc=0 pri=17, usrpri=78, nice=20 forw=0xffffffffffffffff, list=0xffff800021220db8,0xffff8000212ca5b8 process=0xffff8000ffff6e28 user=0xffff80002d9e6000, vmspace=0xfffffd806baf9938 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 85757 23946 90574 32767 3 0x90 nanoslp syz-executor.3 85757 268782 90574 32767 3 0x4000090 fsleep syz-executor.3 85757 224310 90574 32767 3 0x4000090 fsleep syz-executor.3 37600 183578 40996 32767 2 0x10 syz-executor.1 37600 157206 40996 32767 7 0x4000010 syz-executor.1 88064 14419 21227 32767 2 0x10 syz-executor.6 29164 298458 28529 32767 2 0x10 syz-executor.4 29164 49258 28529 32767 3 0x4000090 fsleep syz-executor.4 74885 433049 27476 32767 2 0x10 syz-executor.0 74885 506402 27476 32767 3 0x4000090 kqread syz-executor.0 74885 63964 27476 32767 3 0x4000090 fsleep syz-executor.0 89535 445939 79631 32767 3 0x90 nanoslp syz-executor.2 79631 478701 75543 0 3 0x82 wait syz-executor.2 90574 415644 7818 32767 3 0x90 nanoslp syz-executor.3 7818 298657 75543 0 3 0x82 wait syz-executor.3 33539 419793 17725 32767 2 0x10 syz-executor.5 61712 350511 0 0 3 0x14200 bored sosplice *40304 97250 10673 32767 7 0x10 syz-executor.7 10673 27958 75543 0 3 0x82 wait syz-executor.7 28529 80319 15269 32767 3 0x90 nanoslp syz-executor.4 21227 169961 88531 32767 3 0x90 nanoslp syz-executor.6 15269 463377 75543 0 3 0x82 wait syz-executor.4 88531 97053 75543 0 3 0x82 wait syz-executor.6 17725 201058 75543 0 3 0x82 wait syz-executor.5 40996 100015 87328 32767 3 0x90 nanoslp syz-executor.1 87328 289975 75543 0 3 0x82 wait syz-executor.1 27476 89986 1506 32767 3 0x90 nanoslp syz-executor.0 1506 398485 75543 0 3 0x82 wait syz-executor.0 75543 37923 79451 0 3 0x82 thrsleep syz-fuzzer 75543 31890 79451 0 3 0x4000082 nanoslp syz-fuzzer 75543 129636 79451 0 3 0x4000082 wait syz-fuzzer 75543 398520 79451 0 3 0x4000082 wait syz-fuzzer 75543 23757 79451 0 3 0x4000082 wait syz-fuzzer 75543 236081 79451 0 3 0x4000082 wait syz-fuzzer 75543 359456 79451 0 3 0x4000082 thrsleep syz-fuzzer 75543 311846 79451 0 3 0x4000082 wait syz-fuzzer 75543 483522 79451 0 3 0x4000082 wait syz-fuzzer 75543 235267 79451 0 3 0x4000082 thrsleep syz-fuzzer 75543 165742 79451 0 3 0x4000082 thrsleep syz-fuzzer 75543 464764 79451 0 3 0x4000082 wait syz-fuzzer 75543 283790 79451 0 3 0x4000082 thrsleep syz-fuzzer 75543 357148 79451 0 3 0x4000082 wait syz-fuzzer 75543 474450 79451 0 3 0x4000082 thrsleep syz-fuzzer 75543 58625 79451 0 2 0x4000082 syz-fuzzer 79451 293943 54410 0 3 0x10008a sigsusp ksh 54410 223194 82862 0 3 0x9a kqread sshd 75357 421145 1 0 3 0x100083 ttyin getty 82862 267626 1 0 3 0x88 kqread sshd 45095 465333 33582 73 3 0x1100090 kqread syslogd 33582 181301 1 0 3 0x100082 netio syslogd 85185 109973 1 0 3 0x100080 kqread resolvd 11157 161847 34915 77 3 0x100092 kqread dhcpleased 68600 264165 34915 77 3 0x100092 kqread dhcpleased 34915 465736 1 0 3 0x80 kqread dhcpleased 30956 249208 0 0 3 0x14200 bored smr 79958 448768 0 0 2 0x14200 zerothread 78113 181920 0 0 3 0x14200 aiodoned aiodoned 66254 434401 0 0 3 0x14200 syncer update 15721 281333 0 0 3 0x14200 cleaner cleaner 21496 366490 0 0 3 0x14200 reaper reaper 92067 110166 0 0 3 0x14200 pgdaemon pagedaemon 83912 112405 0 0 3 0x14200 bored viomb 76179 332143 0 0 3 0x40014200 acpi0 acpi0 75387 492154 0 0 3 0x40014200 idle1 55218 431465 0 0 3 0x14200 bored softnet3 27729 100121 0 0 3 0x14200 bored softnet2 68994 5448 0 0 3 0x14200 bored softnet1 5597 151692 0 0 3 0x14200 bored softnet0 88475 422643 0 0 3 0x14200 bored systqmp 66362 398845 0 0 3 0x14200 bored systq 71483 346450 0 0 3 0x40014200 bored softclock 21252 104085 0 0 3 0x40014200 idle0 1 212119 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 40304 (syz-executor.7) thread 0xffff800021220b00 (97250) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82c84080) #0 witness_lock+0x44d #1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 #2 mi_switch+0x3c3 sys/kern/sched_bsd.c:405 #3 sleep_finish+0x184 sys/kern/kern_synch.c:417 #4 tsleep+0x12b sys/kern/kern_synch.c:155 #5 biowait+0x91 sys/kern/vfs_bio.c:1278 #6 bwrite+0x21f sys/kern/vfs_bio.c:769 #7 ffs_update+0x281 sys/ufs/ffs/ffs_inode.c:113 #8 ufs_mkdir+0x672 sys/ufs/ufs/ufs_vnops.c:1219 #9 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #10 domkdirat+0x125 sys/kern/vfs_syscalls.c:3074 #11 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #11 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 #12 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd807dc073c8) #0 witness_lock+0x44d #1 rw_enter+0x3e5 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8f sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vget+0x200 sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1324 #8 ffs_inode_alloc+0x1c2 sys/ufs/ffs/ffs_alloc.c:394 #9 ufs_mkdir+0xf8 sys/ufs/ufs/ufs_vnops.c:1149 #10 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #11 domkdirat+0x125 sys/kern/vfs_syscalls.c:3074 #12 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #12 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 #13 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806a7bd928) #0 witness_lock+0x44d #1 rw_enter+0x3e5 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8f sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd5 sys/kern/vfs_lookup.c:418 #6 namei+0x55a sys/kern/vfs_lookup.c:250 #7 domkdirat+0x79 sys/kern/vfs_syscalls.c:3059 #8 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #8 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10206 6411K 6419K 78643K 11307 0 pcb 13 10K 12K 78643K 15 0 rtable 242 6K 7K 78643K 612 0 ifaddr 73 24K 24K 78643K 93 0 sysctl 2 0K 1K 78643K 4 0 counters 60 35K 35K 78643K 66 0 ioctlops 0 0K 2K 78643K 57 0 iov 0 0K 32K 78643K 868 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1279 80K 80K 78643K 3410 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 75 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 2005 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 23 85K 121K 78643K 7107 0 sigio 0 0K 0K 78643K 34 0 proc 56 78K 103K 78643K 890 0 subproc 104 6K 6K 78643K 143 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 747 0 in_multi 99 6K 7K 78643K 212 0 ether_multi 1 0K 0K 78643K 25 0 mrt 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 229 1023K 1023K 78643K 229 0 exec 0 0K 1K 78643K 989 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 8 62K 64K 78643K 10 0 UVM amap 410 92K 97K 78643K 70453 0 UVM aobj 131 4K 4K 78643K 144 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 235 0 NDP 11 0K 2K 78643K 36 0 temp 125 5866K 5931K 78643K 19493 0 kqueue 13 20K 26K 78643K 487 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 120 350 0 347 4 3 1 3 0 8 0 rtentry 112 155 0 41 4 0 4 4 0 8 0 unpcb 144 6061 0 6047 61 59 2 10 0 8 1 syncache 296 95 0 95 12 11 1 1 0 8 1 tcpqe 32 167 0 167 9 9 0 1 0 8 0 tcpcb 776 2363 0 2357 86 81 5 17 0 8 4 arp 120 27 0 8 1 0 1 1 0 8 0 ipq 40 3 0 3 3 3 0 1 0 8 0 ipqe 40 9 0 9 3 3 0 1 0 8 0 inpcb 368 4814 0 4802 91 83 8 16 0 8 6 ip6q 72 6 0 6 3 3 0 1 0 8 0 ip6af 40 18 0 18 3 3 0 1 0 8 0 nd6 136 41 0 14 1 0 1 1 0 8 0 kcovpl 48 11 0 3 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 642 0 177 32 2 30 30 0 8 0 art_table 32 643 0 177 4 0 4 4 0 8 0 art_node 16 154 0 50 1 0 1 1 0 8 0 sysvmsgpl 40 15 0 7 1 0 1 1 0 8 0 semapl 112 2003 0 1993 1 0 1 1 0 8 0 shmpl 112 141 0 13 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 11312 0 9869 91 0 91 91 0 8 0 ffsino 272 11312 0 9869 97 0 97 97 0 8 0 nchpl 144 20716 0 19055 63 0 63 63 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 66934 0 66933 3 2 1 2 0 8 0 percpumem 16 46 0 3 1 0 1 1 0 8 0 kstatmem 264 28 0 6 2 0 2 2 0 8 0 scxspl 216 65302 0 65302 22 21 1 8 0 8 1 plimitpl 152 1141 0 1117 16 14 2 2 0 8 1 sigapl 424 7385 0 7332 7 0 7 7 0 8 0 futexpl 64 56577 0 56573 4 3 1 1 0 8 0 knotepl 120 578 0 0 13 3 10 10 0 8 0 kqueuepl 216 1084 0 1075 13 12 1 5 0 8 0 pipepl 320 2858 0 2829 74 66 8 16 0 8 5 fdescpl 496 7367 0 7333 7 1 6 6 0 8 0 filepl 152 48088 0 47851 126 109 17 22 0 8 7 lockfpl 104 600 0 598 3 2 1 2 0 8 0 lockfspl 48 133 0 131 1 0 1 1 0 8 0 sessionpl 144 26 0 10 1 0 1 1 0 8 0 pgrppl 48 191 0 175 1 0 1 1 0 8 0 ucredpl 104 13317 0 13299 1 0 1 1 0 8 0 zombiepl 144 7333 0 7332 1 0 1 1 0 8 0 processpl 1072 7385 0 7332 5 1 4 5 0 8 0 procpl 696 19321 0 19247 19 10 9 9 0 8 1 sosppl 168 177 0 177 16 15 1 1 0 8 1 sockpl 488 11323 0 11297 292 280 12 34 0 8 7 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 17 0 0 3 0 3 3 0 8 0 mcl12k 12288 17 0 0 2 0 2 2 0 8 0 mcl9k 9216 17 0 0 2 0 2 2 0 8 0 mcl8k 8192 40 0 0 4 1 3 3 0 8 0 mcl4k 4096 52 0 0 7 0 7 7 0 8 0 mcl2k2 2112 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 537 0 0 35 15 20 35 0 8 0 mtagpl 96 4 0 0 1 0 1 1 0 8 0 mbufpl 256 2085 0 0 109 0 109 109 0 8 0 bufpl 288 15552 0 9240 451 0 451 451 0 8 0 anonpl 24 867641 0 857442 190 107 83 87 0 186 0 amapchunkpl 152 225500 0 224663 105 67 38 47 0 158 2 amappl16 200 18867 0 18613 125 110 15 26 0 8 0 amappl15 192 17 0 15 1 0 1 1 0 8 0 amappl14 184 158 0 144 2 1 1 2 0 8 0 amappl13 176 23 0 22 1 0 1 1 0 8 0 amappl12 168 8037 0 7999 2 0 2 2 0 8 0 amappl11 160 63 0 52 1 0 1 1 0 8 0 amappl10 152 39 0 25 1 0 1 1 0 8 0 amappl9 144 243 0 243 16 15 1 2 0 8 1 amappl8 136 494 0 363 5 0 5 5 0 8 0 amappl7 128 90 0 72 1 0 1 1 0 8 0 amappl6 120 319 0 299 2 1 1 2 0 8 0 amappl5 112 261 0 254 1 0 1 1 0 8 0 amappl4 104 790 0 752 2 0 2 2 0 8 0 amappl3 96 43924 0 43832 5 2 3 4 0 8 0 amappl2 88 7892 0 7823 4 2 2 3 0 8 0 amappl1 80 33318 0 32789 22 9 13 22 0 8 0 amappl 88 69644 0 69398 9 2 7 7 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 72 143 0 13 3 0 3 3 0 8 0 uaddrrnd 24 7367 0 7333 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 7367 0 7333 1 0 1 1 0 8 0 vmmpekpl 168 65566 0 65513 3 0 3 3 0 8 0 vmmpepl 168 433783 0 431398 213 101 112 120 0 357 0 vmsppl 464 7366 0 7333 7 2 5 6 0 8 0 rwobjpl 56 116081 0 108694 117 9 108 108 0 8 0 pdppl 4096 14742 0 14666 390 308 82 94 0 8 6 pvpl 32 2516087 0 2499748 434 276 158 336 0 265 0 pmappl 248 7366 0 7333 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1323 0 413 27 0 27 27 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8278ad0e) at panic+0x17b sys/kern/subr_prf.c:198 vop_generic_badop(ffff80002d9eb518) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd807dcbb2e8,fffffd805d508c70) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:628 bwrite(fffffd805d508c70) at bwrite+0x1f4 sys/kern/vfs_bio.c:760 VOP_BWRITE(fffffd805d508c70) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640 ufs_mkdir(ffff80002d9eb7b0) at ufs_mkdir+0x6c4 sys/ufs/ufs/ufs_vnops.c:1235 VOP_MKDIR(fffffd8067d31048,ffff80002d9eb910,ffff80002d9eb940,ffff80002d9eb840) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 domkdirat(ffff800021220b00,ffffff9c,782849b4c860,1ff) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3074 syscall(ffff80002d9ebac0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002d9ebac0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x782849b4c8d0, count: -11 ddb{0}> machine ddbcpu 1