Hello,
syzbot found the following issue on:
HEAD commit: 8b31f2a3f55c Add cdsdhc(4), a driver for the Cadence SD/SD..
git tree: openbsd
console output:
https://syzkaller.appspot.com/x/log.txt?x=17462fefb00000
kernel config:
https://syzkaller.appspot.com/x/.config?x=bf87b6915a88cd0d
dashboard link:
https://syzkaller.appspot.com/bug?extid=3c2eced405b9de6f79c2
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by:
syzbot+3c2ece...@syzkaller.appspotmail.com
uvm_fault(0xfffffd8065d47468, 0x8, 0, 1) -> panic: kernel diagnostic assertion "!_kernel_lock_held()" failed: file "/syzkaller/managers/setuid/kernel/sys/kern/kern_fork.c", line 677
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
236052 90934 32767 0x10 0x4000000 0 syz-executor.4
* 95236 3732 32767 0x10 0x4000000 1 syz-executor.2
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff825746ce) at panic+0x177 sys/kern/subr_prf.c:202
__assert(ffffffff825e6868,ffffffff825adcfc,2a5,ffffffff825a4d09) at __assert+0x25 sys/kern/subr_prf.c:161
proc_trampoline_mp() at proc_trampoline_mp+0x131
end trace frame: 0x0, count: 11
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{1}>
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
*cpu0: uvm_fault(0xfffffd8065d47468, 0x8, 0, 1) -> e
cpu1: kernel diagnostic assertion "!_kernel_lock_held()" failed: file "/syzkaller/managers/setuid/kernel/sys/kern/kern_fork.c", line 677
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff825746ce) at panic+0x177 sys/kern/subr_prf.c:202
__assert(ffffffff825e6868,ffffffff825adcfc,2a5,ffffffff825a4d09) at __assert+0x25 sys/kern/subr_prf.c:161
proc_trampoline_mp() at proc_trampoline_mp+0x131
end trace frame: 0x0, count: -4
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff80002465df80
rbx 0xffff800020ce9bff
rdx 0
rcx 0
rax 0xffff8000262cc010
r8 0x101010101010101
r9 0x8080808080808080
r10 0xd880783a63c5445e
r11 0x7cf56e73597e2e8f
r12 0xffff800020ce9a00
r13 0
r14 0xffffffff82977a00 cpu_info_full_primary+0x2a00
r15 0x1
rip 0xffffffff824d0948 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff80002465df70
ss 0
db_enter+0x18: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor.2) pid=95236 stat=onproc
flags process=10<SUGID> proc=4000000<THREAD>
pri=86, usrpri=86, nice=20
forw=0xffffffffffffffff, list=0xffff8000262cd510,0xffff8000262cc2c0
process=0xffff8000ffff0440 user=0xffff800024659000, vmspace=0xfffffd8065d47a28
estcpu=36, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
90934 286789 73260 32767 2 0x10 syz-executor.4
90934 236052 73260 32767 7 0x4000010 syz-executor.4
90934 138748 73260 32767 3 0x4000090 fsleep syz-executor.4
3732 377659 4356 32767 2 0x10 syz-executor.2
* 3732 95236 4356 32767 7 0x4000010 syz-executor.2
3732 268287 4356 32767 2 0x4000010 syz-executor.2
3732 92663 4356 32767 2 0x4000010 syz-executor.2
74791 160101 83248 32767 2 0x10 syz-executor.1
83248 327637 71503 0 3 0x82 wait syz-executor.1
73260 57887 31276 32767 3 0x90 nanoslp syz-executor.4
31276 149441 71503 0 3 0x82 wait syz-executor.4
4356 514264 86988 32767 3 0x90 nanoslp syz-executor.2
86988 266884 71503 0 3 0x82 wait syz-executor.2
40621 352336 0 0 3 0x14200 bored sosplice
19806 240757 62902 32767 3 0x10 getblk syz-executor.6
20630 136206 8774 32767 3 0x90 nanoslp syz-executor.7
70789 390161 88771 32767 2 0x10 syz-executor.5
8774 15103 71503 0 3 0x82 wait syz-executor.7
62902 344571 71503 0 3 0x82 wait syz-executor.6
88771 316785 71503 0 3 0x82 wait syz-executor.5
70368 88995 72969 32767 3 0x10 biowait syz-executor.3
72969 233482 71503 0 3 0x82 wait syz-executor.3
9497 475303 3074 32767 3 0x90 nanoslp syz-executor.0
3074 99718 71503 0 3 0x82 wait syz-executor.0
71503 344559 81702 0 3 0x82 thrsleep syz-fuzzer
71503 37068 81702 0 3 0x4000082 nanoslp syz-fuzzer
71503 116287 81702 0 3 0x4000082 thrsleep syz-fuzzer
71503 245506 81702 0 3 0x4000082 thrsleep syz-fuzzer
71503 454082 81702 0 3 0x4000082 thrsleep syz-fuzzer
71503 183975 81702 0 3 0x4000082 kqread syz-fuzzer
71503 140013 81702 0 3 0x4000082 thrsleep syz-fuzzer
71503 46987 81702 0 3 0x4000082 thrsleep syz-fuzzer
71503 412975 81702 0 3 0x4000082 thrsleep syz-fuzzer
81702 133878 15720 0 3 0x10008a sigsusp ksh
15720 92342 98281 0 3 0x9a poll sshd
72782 64657 1 0 3 0x100083 ttyin getty
98281 104976 1 0 3 0x88 poll sshd
30309 127240 96918 73 3 0x100090 kqread syslogd
96918 293 1 0 3 0x100082 netio syslogd
14396 479611 1 0 3 0x100080 kqread resolvd
86553 222216 8478 77 3 0x100092 kqread dhcpleased
2604 523886 8478 77 3 0x100092 kqread dhcpleased
8478 55935 1 0 3 0x80 kqread dhcpleased
42164 321565 0 0 3 0x14200 bored smr
34108 307400 0 0 2 0x14200 zerothread
36532 285875 0 0 3 0x14200 aiodoned aiodoned
33534 289468 0 0 3 0x14200 syncer update
79819 458425 0 0 3 0x14200 cleaner cleaner
64126 276160 0 0 3 0x14200 reaper reaper
98226 453586 0 0 3 0x14200 pgdaemon pagedaemon
49989 411368 0 0 3 0x14200 bored viomb
45666 374489 0 0 3 0x40014200 acpi0 acpi0
46854 233542 0 0 3 0x40014200 idle1
74566 182768 0 0 3 0x14200 bored softnet
90948 269704 0 0 3 0x14200 bored systqmp
59512 224657 0 0 3 0x14200 bored systq
38094 486115 0 0 3 0x40014200 bored softclock
40474 385782 0 0 3 0x40014200 idle0
1 50605 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
Process 90934 (syz-executor.4) thread 0xffff8000ffff6010 (236052)
exclusive kernel_lock &kernel_lock r = 1 (0xffffffff82a3bc90)
#0 witness_lock+0x44d
#1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227
#2 mi_switch+0x3d3 sys/kern/sched_bsd.c:416
#3 sleep_finish+0x1b2 sys/kern/kern_synch.c:433
#4 tsleep+0x12c sys/kern/kern_synch.c:158
#5 biowait+0x91 sys/kern/vfs_bio.c:1271
#6 bwrite+0x21b sys/kern/vfs_bio.c:772
#7 VOP_BWRITE+0x4a sys/kern/vfs_vops.c:656
#8 ufs_direnter+0x8fa sys/ufs/ufs/ufs_lookup.c:909
#9 ufs_makeinode+0x4cc sys/ufs/ufs/ufs_vnops.c:1868
#10 ufs_symlink+0x47 sys/ufs/ufs/ufs_vnops.c:1382
#11 VOP_SYMLINK+0xd0 sys/kern/vfs_vops.c:442
#12 dosymlinkat+0x154 sys/kern/vfs_syscalls.c:1803
#13 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#13 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#14 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd8064597b40)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:579
#5 vget+0x1d3 sys/kern/vfs_subr.c:677
#6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119
#7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1318
#8 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394
#9 ufs_makeinode+0xae sys/ufs/ufs/ufs_vnops.c:1830
#10 ufs_symlink+0x47 sys/ufs/ufs/ufs_vnops.c:1382
#11 VOP_SYMLINK+0xd0 sys/kern/vfs_vops.c:442
#12 dosymlinkat+0x154 sys/kern/vfs_syscalls.c:1803
#13 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#13 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#14 Xsyscall+0x128
Process 3732 (syz-executor.2) thread 0xffff8000262ccd30 (377659)
exclusive rwlock amaplk r = 0 (0xfffffd8065e89cc0)
#0 witness_lock+0x44d
#1 uvm_fault_check+0x3ca sys/uvm/uvm_fault.c:774
#2 uvm_fault+0x102 sys/uvm/uvm_fault.c:602
#3 upageflttrap+0x82 sys/arch/amd64/amd64/trap.c:181
#4 usertrap+0x1aa sys/arch/amd64/amd64/trap.c:403
#5 recall_trap+0x8
shared rwlock vmmaplk r = 0 (0xfffffd8065d47a40)
#0 witness_lock+0x44d
#1 uvmfault_lookup+0xe9 sys/uvm/uvm_fault.c:1744
#2 uvm_fault_check+0x3a sys/uvm/uvm_fault.c:674
#3 uvm_fault+0x102 sys/uvm/uvm_fault.c:602
#4 upageflttrap+0x82 sys/arch/amd64/amd64/trap.c:181
#5 usertrap+0x1aa sys/arch/amd64/amd64/trap.c:403
#6 recall_trap+0x8
Process 74791 (syz-executor.1) thread 0xffff8000262cc7f0 (160101)
exclusive rrwlock inode r = 0 (0xfffffd80645975f0)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:579
#5 vget+0x1d3 sys/kern/vfs_subr.c:677
#6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119
#7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1318
#8 ufs_lookup+0x13ba sys/ufs/ufs/ufs_lookup.c:487
#9 VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85
#10 vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:561
#11 namei+0x36a sys/kern/vfs_lookup.c:245
#12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1849
#13 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#13 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#14 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd8079078a38)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:579
#5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:413
#6 namei+0x36a sys/kern/vfs_lookup.c:245
#7 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1849
#8 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#8 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#9 Xsyscall+0x128
Process 19806 (syz-executor.6) thread 0xffff8000fffeefc8 (240757)
exclusive rrwlock inode r = 0 (0xfffffd80790781b8)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:579
#5 vget+0x1d3 sys/kern/vfs_subr.c:677
#6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119
#7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1318
#8 ufs_lookup+0x13ba sys/ufs/ufs/ufs_lookup.c:487
#9 VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85
#10 vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:561
#11 namei+0x36a sys/kern/vfs_lookup.c:245
#12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1849
#13 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#13 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#14 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd80645971b0)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:579
#5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:413
#6 namei+0x36a sys/kern/vfs_lookup.c:245
#7 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1849
#8 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#8 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#9 Xsyscall+0x128
Process 70789 (syz-executor.5) thread 0xffff8000fffee008 (390161)
exclusive rrwlock inode r = 0 (0xfffffd8064597d60)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:579
#5 vget+0x1d3 sys/kern/vfs_subr.c:677
#6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119
#7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1318
#8 ufs_lookup+0x13ba sys/ufs/ufs/ufs_lookup.c:487
#9 VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85
#10 vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:561
#11 namei+0x36a sys/kern/vfs_lookup.c:245
#12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1849
#13 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#13 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#14 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd80645974e0)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:579
#5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:413
#6 namei+0x36a sys/kern/vfs_lookup.c:245
#7 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1849
#8 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#8 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#9 Xsyscall+0x128
Process 70368 (syz-executor.3) thread 0xffff8000ffff42a0 (88995)
exclusive rrwlock inode r = 0 (0xfffffd8079078708)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534
#4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140
#5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1347
#6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394
#7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1162
#8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404
#9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3100
#10 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#10 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd8068f191a8)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:579
#5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:413
#6 namei+0x36a sys/kern/vfs_lookup.c:245
#7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3085
#8 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#8 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#9 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10192 6410K 6418K 78643K 11301 0
pcb 13 8K 8K 78643K 13 0
rtable 258 7K 7K 78643K 962 0
ifaddr 81 17K 17K 78643K 125 0
sysctl 1 1K 1K 78643K 1 0
counters 56 35K 35K 78643K 68 0
ioctlops 0 0K 2K 78643K 62 0
iov 0 0K 16K 78643K 403 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 5 0
vnodes 1271 79K 79K 78643K 1815 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 9K 78643K 50 0
VM map 2 1K 1K 78643K 2 0
sem 12 1K 1K 78643K 436 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12598 0
file desc 20 73K 121K 78643K 3363 0
sigio 0 0K 0K 78643K 64 0
proc 56 74K 99K 78643K 849 0
subproc 104 13K 13K 78643K 182 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 219 0
in_multi 99 6K 7K 78643K 213 0
ether_multi 1 0K 0K 78643K 20 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 199 890K 890K 78643K 199 0
exec 0 0K 2K 78643K 1154 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 324 86K 101K 78643K 44806 0
UVM aobj 131 7K 7K 78643K 134 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 117 0
NDP 11 0K 2K 78643K 45 0
temp 125 4699K 4827K 78643K 12016 0
kqueue 10 14K 22K 78643K 206 0
SYN cache 2 16K 16K 78643K 2 0
ddb{1}> 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 120 293 0 290 4 3 1 3 0 8 0
rtentry 112 190 0 70 4 0 4 4 0 8 0
unpcb 136 10369 0 10356 35 29 6 8 0 8 5
syncache 296 27 0 27 7 6 1 1 0 8 1
tcpqe 32 152 0 152 3 3 0 1 0 8 0
tcpcb 736 1544 0 1540 48 45 3 13 0 8 2
arp 120 31 0 12 1 0 1 1 0 8 0
ipq 40 19 0 19 2 2 0 1 0 8 0
ipqe 40 795 0 795 2 2 0 1 0 8 0
inpcb 304 3251 0 3238 48 41 7 7 0 8 6
rttmr 72 35 0 34 1 0 1 1 0 8 0
ip6q 72 18 0 18 1 1 0 1 0 8 0
ip6af 40 35 0 35 1 1 0 1 0 8 0
nd6 48 53 0 21 1 0 1 1 0 8 0
kcovpl 48 14 0 6 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 822 0 272 35 0 35 35 0 8 0
art_table 32 823 0 272 5 0 5 5 0 8 0
art_node 16 189 0 79 1 0 1 1 0 8 0
sysvmsgpl 40 3 0 0 1 0 1 1 0 8 0
semapl 112 429 0 419 1 0 1 1 0 8 0
shmpl 112 131 0 3 4 0 4 4 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 5611 0 4181 90 0 90 90 0 8 0
ffsino 272 5611 0 4181 96 0 96 96 0 8 0
nchpl 144 10071 0 8451 62 0 62 62 0 8 0
uvmvnodes 80 5802 0 0 119 0 119 119 0 8 0
vnodes 224 5802 0 0 342 0 342 342 0 8 0
namei 1024 34422 0 34420 3 2 1 2 0 8 0
percpumem 16 46 0 6 1 0 1 1 0 8 0
scxspl 216 32680 0 32679 15 14 1 8 0 8 0
plimitpl 152 528 0 506 3 2 1 2 0 8 0
sigapl 424 3625 0 3579 7 1 6 7 0 8 0
futexpl 64 29990 0 29989 3 2 1 1 0 8 0
knotepl 112 156 0 0 4 0 4 4 0 8 0
kqueuepl 216 1287 0 1281 27 26 1 5 0 8 0
pipepl 336 701 0 673 16 10 6 8 0 8 3
fdescpl 496 3610 0 3579 7 2 5 6 0 8 0
filepl 152 30288 0 30053 65 48 17 22 0 8 7
lockfpl 104 468 0 466 1 0 1 1 0 8 0
lockfspl 48 130 0 128 1 0 1 1 0 8 0
sessionpl 144 29 0 13 1 0 1 1 0 8 0
pgrppl 48 35 0 19 1 0 1 1 0 8 0
ucredpl 96 3451 0 3433 1 0 1 1 0 8 0
zombiepl 144 3579 0 3577 1 0 1 1 0 8 0
processpl 1064 3625 0 3577 5 1 4 4 0 8 0
procpl 672 10254 0 10193 15 8 7 8 0 8 1
sosppl 168 94 0 94 7 6 1 1 0 8 1
sockpl 480 14094 0 14071 347 336 11 31 0 8 8
mcl64k 65536 25 0 0 3 0 3 3 0 8 0
mcl16k 16384 18 0 0 3 0 3 3 0 8 0
mcl12k 12288 19 0 0 2 0 2 2 0 8 0
mcl9k 9216 13 0 0 1 0 1 1 0 8 0
mcl8k 8192 17 0 0 3 0 3 3 0 8 0
mcl4k 4096 17 0 0 3 0 3 3 0 8 0
mcl2k2 2112 4 0 0 1 0 1 1 0 8 0
mcl2k 2048 194 0 0 22 1 21 22 0 8 0
mtagpl 96 2 0 0 1 0 1 1 0 8 0
mbufpl 256 474 0 0 26 0 26 26 0 8 0
bufpl 288 8736 0 2402 453 0 453 453 0 8 0
anonpl 24 1030260 0 1016259 166 57 109 121 0 186 5
amapchunkpl 152 112425 0 111682 73 37 36 48 0 158 1
amappl16 200 11200 0 10826 85 56 29 33 0 8 8
amappl15 192 912 0 907 1 0 1 1 0 8 0
amappl14 184 1599 0 1592 1 0 1 1 0 8 0
amappl13 176 131 0 129 1 0 1 1 0 8 0
amappl12 168 621 0 614 1 0 1 1 0 8 0
amappl11 160 392 0 378 1 0 1 1 0 8 0
amappl10 152 637 0 631 1 0 1 1 0 8 0
amappl9 144 472 0 470 1 0 1 1 0 8 0
amappl8 136 835 0 751 4 0 4 4 0 8 1
amappl7 128 143 0 129 1 0 1 1 0 8 0
amappl6 120 240 0 215 2 1 1 2 0 8 0
amappl5 112 2757 0 2741 1 0 1 1 0 8 0
amappl4 104 2118 0 2084 1 0 1 1 0 8 0
amappl3 96 974 0 960 1 0 1 1 0 8 0
amappl2 88 1376 0 1332 3 1 2 3 0 8 0
amappl1 80 69758 0 69177 18 3 15 18 0 8 0
amappl 88 44126 0 43900 8 1 7 8 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 72 133 0 3 3 0 3 3 0 8 0
uaddrrnd 24 3610 0 3579 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 3610 0 3579 1 0 1 1 0 8 0
vmmpekpl 168 33003 0 32947 3 0 3 3 0 8 0
vmmpepl 168 337609 0 335246 169 44 125 133 0 357 4
vmsppl 368 3609 0 3579 4 0 4 4 0 8 0
rwobjpl 56 90611 0 83382 108 4 104 104 0 8 0
pdppl 4096 7227 0 7158 193 112 81 93 0 8 12
pvpl 32 1903373 0 1884449 295 111 184 244 0 265 5
pmappl 248 3609 0 3579 4 1 3 3 0 8 0
extentpl 40 57 0 38 1 0 1 1 0 8 0
phpool 112 1005 0 172 24 0 24 24 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
x86_ipi_db(ffffffff82976ff0) at x86_ipi_db+0x1a 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+0x23
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x28 kd_curproc sys/dev/kcov.c:616 [inline]
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x28 sys/dev/kcov.c:152
__mp_lock(ffffffff82a3ba88) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82a3ba88) at __mp_lock+0x133 sys/kern/kern_lock.c:147
intr_handler(ffff80002e3bf6d0,ffff80000004ad00) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532
Xintr_ioapic_edge21_untramp() at Xintr_ioapic_edge21_untramp+0x18f
__mp_lock(ffffffff82a3ba88) at __mp_lock+0x129 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82a3ba88) at __mp_lock+0x129 sys/kern/kern_lock.c:147
softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:88
Xsoftclock() at Xsoftclock+0x1f
cnputc(20) at cnputc+0x4b sys/dev/cons.c:239
db_putchar(65) at db_putchar+0x316 db_force_whitespace sys/ddb/db_output.c:102 [inline]
db_putchar(65) at db_putchar+0x316 sys/ddb/db_output.c:153
kprintf() at kprintf+0x20ec sys/kern/subr_prf.c:1068
db_printf(ffffffff826231e3) at db_printf+0x85 sys/kern/subr_prf.c:502
end trace frame: 0xffff80002e3bfb50, count: 0
ddb{0}> trace
x86_ipi_db(ffffffff82976ff0) at x86_ipi_db+0x1a 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+0x23
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x28 kd_curproc sys/dev/kcov.c:616 [inline]
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x28 sys/dev/kcov.c:152
__mp_lock(ffffffff82a3ba88) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82a3ba88) at __mp_lock+0x133 sys/kern/kern_lock.c:147
intr_handler(ffff80002e3bf6d0,ffff80000004ad00) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532
Xintr_ioapic_edge21_untramp() at Xintr_ioapic_edge21_untramp+0x18f
__mp_lock(ffffffff82a3ba88) at __mp_lock+0x129 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82a3ba88) at __mp_lock+0x129 sys/kern/kern_lock.c:147
softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:88
Xsoftclock() at Xsoftclock+0x1f
cnputc(20) at cnputc+0x4b sys/dev/cons.c:239
db_putchar(65) at db_putchar+0x316 db_force_whitespace sys/ddb/db_output.c:102 [inline]
db_putchar(65) at db_putchar+0x316 sys/ddb/db_output.c:153
kprintf() at kprintf+0x20ec sys/kern/subr_prf.c:1068
db_printf(ffffffff826231e3) at db_printf+0x85 sys/kern/subr_prf.c:502
fault(ffffffff825d5bd5) at fault+0x95 sys/arch/amd64/amd64/trap.c:154
kpageflttrap(ffff80002e3bfc20,8) at kpageflttrap+0x25a sys/arch/amd64/amd64/trap.c:275
kerntrap(ffff80002e3bfc20) at kerntrap+0xef sys/arch/amd64/amd64/trap.c:318
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
fifo_write(ffff80002e3bfd20) at fifo_write+0x4e sys/miscfs/fifofs/fifo_vnops.c:278
VOP_WRITE(fffffd806aaf4870,ffff80002e3bfdb8,8,fffffd807f7d8120) at VOP_WRITE+0xbf sys/kern/vfs_vops.c:245
vn_rdwr(1,fffffd806aaf4870,ffff800021157c00,78,0,1,50eef3c67abadde,ffff80002e3bfee0,fffffd806aaf4870,78) at vn_rdwr+0xe9 sys/kern/vfs_vnops.c:330
ufs_symlink(ffff80002e3bfee0) at ufs_symlink+0x129 sys/ufs/ufs/ufs_vnops.c:1398
VOP_SYMLINK(fffffd806aaf4e90,ffff80002e3c0060,ffff80002e3c0090,ffff80002e3bff90,ffff800021157c00) at VOP_SYMLINK+0xd0 sys/kern/vfs_vops.c:442
dosymlinkat(ffff8000ffff6010,200000c0,3,20d06ff8) at dosymlinkat+0x154 sys/kern/vfs_syscalls.c:1803
syscall(ffff80002e3c0210) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff80002e3c0210) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xa41bdccee10, count: -26
ddb{0}> machine ddbcpu 1
Stopped at db_enter+0x18: addq $0x8,%rsp
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff825746ce) at panic+0x177 sys/kern/subr_prf.c:202
__assert(ffffffff825e6868,ffffffff825adcfc,2a5,ffffffff825a4d09) at __assert+0x25 sys/kern/subr_prf.c:161
proc_trampoline_mp() at proc_trampoline_mp+0x131
end trace frame: 0x0, count: 11
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff825746ce) at panic+0x177 sys/kern/subr_prf.c:202
__assert(ffffffff825e6868,ffffffff825adcfc,2a5,ffffffff825a4d09) at __assert+0x25 sys/kern/subr_prf.c:161
proc_trampoline_mp() at proc_trampoline_mp+0x131
end trace frame: 0x0, count: -4
---
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