assert "!_kernel_lock_held()" failed in uvm_map.c
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syzbot
Jun 13, 2022, 4:56:31 PM6/13/22
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: db879ab8e4d2 Split dispatch_rtmsg_addr() into a function p..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=178c4d30080000
kernel config: https://syzkaller.appspot.com/x/.config?x=7058272de1526588
dashboard link: https://syzkaller.appspot.com/bug?extid=217dd7c1b8bcbd3b5e5f
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+217dd7...@syzkaller.appspotmail.com
ppanic: kernel diagnostic assertion "!_kernel_lock_held()" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_map.c", line 2734
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
310444 33583 0 0x2 0 0 syz-executor.0
* 38551 23597 0 0x14000 0x200 1 reaper
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8259c6dd) at panic+0x177 sys/kern/subr_prf.c:202
__assert(ffffffff8261342d,ffffffff82622222,aae,ffffffff825d42a6) at __assert+0x25 sys/kern/subr_prf.c:161
uvm_map_teardown(fffffd8077a25a28) at uvm_map_teardown+0x2e8 sys/uvm/uvm_map.c:2736
uvmspace_free(fffffd8077a25a28) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3684
reaper(ffff800021143508) at reaper+0x19a sys/kern/kern_exit.c:454
end trace frame: 0x0, count: 9
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: vop_generic_badop
cpu1: kernel diagnostic assertion "!_kernel_lock_held()" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_map.c", line 2734
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8259c6dd) at panic+0x177 sys/kern/subr_prf.c:202
__assert(ffffffff8261342d,ffffffff82622222,aae,ffffffff825d42a6) at __assert+0x25 sys/kern/subr_prf.c:161
uvm_map_teardown(fffffd8077a25a28) at uvm_map_teardown+0x2e8 sys/uvm/uvm_map.c:2736
uvmspace_free(fffffd8077a25a28) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3684
reaper(ffff800021143508) at reaper+0x19a sys/kern/kern_exit.c:454
end trace frame: 0x0, count: -6
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff800021148ea0
rbx 0xffff800020ce9c5f
rdx 0
rcx 0
rax 0xffff800021143508
r8 0x101010101010101
r9 0x8080808080808080
r10 0x7ffae21ada5055cc
r11 0x171f80c0a2ab99db
r12 0xffff800020ce9a60
r13 0
r14 0xffffffff829b0a60 cpu_info_full_primary+0x2a60
r15 0x1
rip 0xffffffff817e7b68 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff800021148e90
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb{1}> show proc
PROC (reaper) pid=38551 stat=onproc
flags process=14000<NOZOMBIE,SYSTEM> proc=200<SYSTEM>
pri=4, usrpri=64, nice=20
forw=0xffffffffffffffff, list=0xffff800021143ce8,0xffff800021142018
process=0xffff8000ffffedb8 user=0xffff800021144000, vmspace=0xffffffff829ed080
estcpu=14, cpticks=47, pctcpu=3.42
user=0, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
43861 503193 15664 0 2 0 syz-executor.6
43861 65837 15664 0 3 0x4000080 fsleep syz-executor.6
43861 272673 15664 0 3 0x4000080 fsleep syz-executor.6
43861 366204 15664 0 3 0x4000080 fsleep syz-executor.6
80333 456176 4285 0 2 0 syz-executor.2
72124 212447 30421 0 3 0x80 nanoslp syz-executor.7
72124 456869 30421 0 3 0x4000080 fsleep syz-executor.7
72124 358980 30421 0 2 0x4000000 syz-executor.7
21832 192426 0 0 3 0x14280 nfsidl nfsio
14813 128792 0 0 3 0x14280 nfsidl nfsio
18721 283992 0 0 3 0x14280 nfsidl nfsio
32458 411514 0 0 3 0x14280 nfsidl nfsio
59622 247436 0 0 3 0x14280 nfsidl nfsio
53701 325958 0 0 3 0x14280 nfsidl nfsio
60009 224175 0 0 3 0x14280 nfsidl nfsio
36365 258749 0 0 3 0x14280 nfsidl nfsio
27834 398085 0 0 3 0x14280 nfsidl nfsio
94995 55607 0 0 3 0x14280 nfsidl nfsio
50213 108641 0 0 3 0x14280 nfsidl nfsio
85438 474381 0 0 3 0x14280 nfsidl nfsio
7838 219241 0 0 3 0x14280 nfsidl nfsio
23128 301397 0 0 3 0x14280 nfsidl nfsio
76155 36069 0 0 3 0x14280 nfsidl nfsio
6933 210937 0 0 3 0x14280 nfsidl nfsio
21066 153221 0 0 3 0x14280 nfsidl nfsio
33420 504678 0 0 3 0x14280 nfsidl nfsio
34865 468457 0 0 3 0x14280 nfsidl nfsio
48067 84343 0 0 3 0x14280 nfsidl nfsio
53122 421031 0 0 3 0x14200 acct acct
89117 73235 90149 0 3 0x2 biowait syz-executor.3
33583 310444 90149 0 7 0x2 syz-executor.0
70922 274178 90149 0 2 0x2 syz-executor.1
4285 516895 90149 0 3 0x82 nanoslp syz-executor.2
2960 393829 1 0 3 0x100083 ttyin getty
71116 266212 0 0 3 0x14200 bored sosplice
91035 363307 90149 0 3 0x82 nanoslp syz-executor.4
15664 25127 90149 0 3 0x82 nanoslp syz-executor.6
30421 81308 90149 0 3 0x82 nanoslp syz-executor.7
8829 121420 90149 0 2 0x2 syz-executor.5
90149 49478 41728 0 3 0x82 thrsleep syz-fuzzer
90149 374827 41728 0 3 0x4000082 nanoslp syz-fuzzer
90149 96824 41728 0 3 0x4000082 thrsleep syz-fuzzer
90149 451703 41728 0 3 0x4000082 thrsleep syz-fuzzer
90149 366838 41728 0 3 0x4000082 kqread syz-fuzzer
90149 164528 41728 0 3 0x4000082 thrsleep syz-fuzzer
90149 238957 41728 0 3 0x4000082 thrsleep syz-fuzzer
90149 275999 41728 0 3 0x4000082 nanoslp syz-fuzzer
90149 407980 41728 0 3 0x4000082 thrsleep syz-fuzzer
90149 275463 41728 0 3 0x4000082 thrsleep syz-fuzzer
41728 448487 65884 0 3 0x10008a sigsusp ksh
65884 423167 26228 0 3 0x9a kqread sshd
26228 228308 1 0 3 0x88 kqread sshd
22556 351666 59845 74 3 0x1100092 bpf pflogd
59845 213063 1 0 3 0x80 netio pflogd
21482 202778 81023 73 3 0x1100090 kqread syslogd
81023 137929 1 0 3 0x100082 netio syslogd
17663 62173 1 0 3 0x100080 kqread resolvd
16869 192833 88595 77 3 0x100092 kqread dhcpleased
35195 77150 88595 77 3 0x100092 kqread dhcpleased
88595 178499 1 0 3 0x80 kqread dhcpleased
11322 174703 0 0 3 0x14200 bored smr
81393 83087 0 0 2 0x14200 zerothread
19691 470878 0 0 3 0x14200 aiodoned aiodoned
67311 489347 0 0 3 0x14200 syncer update
25213 107696 0 0 3 0x14200 cleaner cleaner
*23597 38551 0 0 7 0x14200 reaper
82385 283654 0 0 3 0x14200 pgdaemon pagedaemon
85012 88723 0 0 3 0x14200 bored viomb
21134 48813 0 0 3 0x40014200 acpi0 acpi0
16999 3019 0 0 3 0x40014200 idle1
41103 507239 0 0 3 0x14200 bored softnet
83485 27837 0 0 3 0x14200 bored softnet
34738 157898 0 0 3 0x14200 bored softnet
64476 41575 0 0 3 0x14200 bored softnet
55519 272700 0 0 3 0x14200 bored systqmp
62735 523804 0 0 3 0x14200 bored systq
47282 9178 0 0 3 0x40014200 bored softclock
87542 166306 0 0 3 0x40014200 idle0
1 361417 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
CPU 1:
exclusive sched_lock &sched_lock r = 1 (0xffffffff82b786a8)
#0 witness_lock+0x44d
#1 wakeup_n+0x37
#2 sched_idle+0x232 sys/kern/kern_sched.c:166
#3 proc_trampoline+0x1c
Process 89117 (syz-executor.3) thread 0xffff8000fffefce8 (73235)
exclusive rrwlock inode r = 0 (0xfffffd8077a444d8)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#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:678
#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:1852
#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 (0xfffffd806edf64e8)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#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:1852
#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 33583 (syz-executor.0) thread 0xffff80002117fce0 (310444)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82a2d6d0)
#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+0x180 sys/kern/kern_synch.c:420
#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 ffs_update+0x27d sys/ufs/ffs/ffs_inode.c:113
#8 ufs_mkdir+0x662 sys/ufs/ufs/ufs_vnops.c:1232
#9 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404
#10 domkdirat+0x121 sys/kern/vfs_syscalls.c:3116
#11 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#11 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#12 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd8077a44098)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#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:678
#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_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1162
#10 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404
#11 domkdirat+0x121 sys/kern/vfs_syscalls.c:3116
#12 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#12 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#13 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd80676ce5f8)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#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:3101
#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 70922 (syz-executor.1) thread 0xffff8000fffefa48 (274178)
exclusive rrwlock inode r = 0 (0xfffffd806ed5cd68)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#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:3116
#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 (0xfffffd806f1e81a8)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#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:3101
#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 8829 (syz-executor.5) thread 0xffff8000211ff7b0 (121420)
exclusive rrwlock inode r = 0 (0xfffffd8077a44918)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#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:678
#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:1852
#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 (0xfffffd806e8e40a8)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#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:678
#6 cache_lookup+0x2b4 sys/kern/vfs_cache.c:224
#7 ufs_lookup+0x1ac sys/ufs/ufs/ufs_lookup.c:162
#8 VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85
#9 vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:561
#10 namei+0x36a sys/kern/vfs_lookup.c:245
#11 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1852
#12 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#12 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#13 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10270 6552K 7414K 78643K 17884 0
pcb 13 14K 16K 78643K 415 0
rtable 174 7K 7K 78643K 650 0
ifaddr 80 17K 19K 78643K 292 0
sysctl 2 0K 0K 78643K 2 0
counters 52 35K 36K 78643K 124 0
ioctlops 0 0K 4K 78643K 2084 0
iov 0 0K 16K 78643K 241 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 4 0
vnodes 1426 89K 90K 78643K 3135 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 29 0
VM map 2 1K 1K 78643K 2 0
sem 12 0K 0K 78643K 436 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12548 0
file desc 13 45K 85K 78643K 3635 0
sigio 0 0K 0K 78643K 187 0
proc 70 91K 128K 78643K 806 0
subproc 104 6K 6K 78643K 156 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 226 0
in_multi 76 5K 7K 78643K 246 0
ether_multi 1 0K 0K 78643K 22 0
mrt 1 0K 0K 78643K 9 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 157 705K 705K 78643K 157 0
exec 0 0K 2K 78643K 1205 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 307 296K 297K 78643K 23346 0
UVM aobj 32 2K 2K 78643K 32 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 57 0
NDP 11 0K 1K 78643K 86 0
temp 127 4734K 70253K 78643K 31994 0
kqueue 12 18K 24K 78643K 233 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 120 194 0 191 3 2 1 2 0 8 0
rtentry 112 204 0 129 4 0 4 4 0 8 0
unpcb 136 3981 0 3966 29 26 3 6 0 8 2
syncache 296 27 0 27 6 6 0 1 0 8 0
tcpqe 32 101 0 101 5 5 0 1 0 8 0
tcpcb 736 1324 0 1311 44 41 3 13 0 8 0
arp 120 28 0 16 1 0 1 1 0 8 0
inpcb 312 4372 0 4358 48 41 7 12 0 8 3
nd6 48 51 0 35 1 0 1 1 0 8 0
pkpcb 40 27 0 27 4 4 0 1 0 8 0
kcovpl 48 12 0 4 1 0 1 1 0 8 0
ppxss 1248 11 0 11 3 3 0 1 0 8 0
pfstscr 40 81 0 81 3 3 0 1 0 8 0
pffrag 232 9 0 8 2 1 1 1 0 482 0
pffrnode 88 9 0 8 2 1 1 1 0 8 0
pffrent 40 26 0 25 4 3 1 1 0 8 0
pfosfp 40 1432 0 1007 5 0 5 5 0 8 0
pfosfpen 112 1432 0 716 21 0 21 21 0 8 0
pfrktable 1344 15 0 12 2 1 1 1 0 8 0
pftag 88 9 0 8 1 0 1 1 0 8 0
pfqueue 264 3 0 3 1 1 0 1 0 8 0
pfstitem 24 71 0 69 1 0 1 1 0 8 0
pfstkey 112 155 0 153 2 1 1 2 0 8 0
pfstate 336 110 0 108 3 2 1 3 0 8 0
pfrule 1360 125 0 105 3 1 2 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 879 0 517 31 5 26 29 0 8 0
art_table 32 880 0 517 4 0 4 4 0 8 0
art_node 16 203 0 141 1 0 1 1 0 8 0
sysvmsgpl 40 16 0 4 1 0 1 1 0 8 0
semapl 112 434 0 424 1 0 1 1 0 8 0
shmpl 112 29 0 0 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 6193 0 4754 91 0 91 91 0 8 0
ffsino 272 6193 0 4754 97 0 97 97 0 8 0
nchpl 144 11274 0 9629 63 0 63 63 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 39433 0 39431 6 5 1 2 0 8 0
percpumem 16 74 0 36 1 0 1 1 0 8 0
vcpupl 2048 78 0 0 10 0 10 10 0 8 0
vmpool 560 78 0 0 6 0 6 6 0 8 0
pfiaddrpl 120 6 0 4 2 1 1 1 0 8 0
kstatmem 264 94 0 72 2 0 2 2 0 8 0
scsiplug 72 6 0 6 2 1 1 1 0 8 1
scxspl 216 34411 0 34410 17 16 1 8 0 8 0
plimitpl 152 380 0 365 1 0 1 1 0 8 0
sigapl 424 3997 0 3931 10 1 9 9 0 8 0
futexpl 64 30204 0 30200 5 4 1 1 0 8 0
knotepl 120 443 0 0 9 2 7 8 0 8 0
kqueuepl 216 491 0 483 9 8 1 5 0 8 0
pipepl 336 726 0 698 22 19 3 8 0 8 0
fdescpl 496 3927 0 3901 5 0 5 5 0 8 0
filepl 152 25954 0 25713 48 36 12 20 0 8 0
lockfpl 104 881 0 879 2 1 1 2 0 8 0
lockfspl 48 288 0 286 1 0 1 1 0 8 0
sessionpl 144 29 0 12 1 0 1 1 0 8 0
pgrppl 48 58 0 41 1 0 1 1 0 8 0
ucredpl 96 3960 0 3948 1 0 1 1 0 8 0
zombiepl 144 3932 0 3931 1 0 1 1 0 8 0
processpl 1064 3997 0 3931 6 0 6 6 0 8 0
procpl 672 10755 0 10675 14 5 9 9 0 8 1
srpgc 96 4 0 4 2 2 0 1 0 8 0
sosppl 168 22 0 22 5 5 0 1 0 8 0
sockpl 480 8574 0 8542 187 173 14 34 0 8 7
mcl64k 65536 17 0 0 3 0 3 3 0 8 0
mcl16k 16384 15 0 0 2 0 2 2 0 8 0
mcl12k 12288 17 0 0 2 0 2 2 0 8 0
mcl9k 9216 8 0 0 1 0 1 1 0 8 0
mcl8k 8192 17 0 0 3 0 3 3 0 8 1
mcl4k 4096 17 0 0 3 0 3 3 0 8 0
mcl2k2 2112 8 0 0 1 0 1 1 0 8 0
mcl2k 2048 299 0 0 21 0 21 21 0 8 0
mtagpl 96 440 0 0 11 0 11 11 0 8 0
mbufpl 256 819 0 0 44 0 44 44 0 8 0
bufpl 288 9061 0 2731 453 0 453 453 0 8 0
anonpl 24 739046 0 722152 203 73 130 132 0 186 14
amapchunkpl 152 66300 0 65599 50 17 33 40 0 158 0
amappl16 200 9312 0 8786 73 34 39 41 0 8 8
amappl15 192 1688 0 1684 1 0 1 1 0 8 0
amappl14 184 882 0 877 1 0 1 1 0 8 0
amappl13 176 955 0 951 1 0 1 1 0 8 0
amappl12 168 5 0 4 2 1 1 1 0 8 0
amappl11 160 476 0 455 2 0 2 2 0 8 0
amappl10 152 41 0 35 1 0 1 1 0 8 0
amappl9 144 622 0 619 1 0 1 1 0 8 0
amappl8 136 966 0 886 3 0 3 3 0 8 0
amappl7 128 368 0 354 1 0 1 1 0 8 0
amappl6 120 383 0 360 2 1 1 2 0 8 0
amappl5 112 2582 0 2565 1 0 1 1 0 8 0
amappl4 104 2382 0 2355 2 1 1 2 0 8 0
amappl3 96 11313 0 11267 2 0 2 2 0 8 0
amappl2 88 5228 0 5167 3 1 2 3 0 8 0
amappl1 80 97072 0 96446 20 5 15 20 0 8 0
amappl 88 22706 0 22524 5 0 5 5 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 31 0 0 1 0 1 1 0 8 0
uaddrrnd 24 4005 0 3900 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 4005 0 3900 1 0 1 1 0 8 0
vmmpekpl 168 30629 0 30549 4 0 4 4 0 8 0
vmmpepl 168 379588 0 377094 191 57 134 140 0 357 13
vmsppl 368 4004 0 3900 11 1 10 10 0 8 0
rwobjpl 56 101361 0 93839 113 2 111 111 0 8 3
pdppl 4096 8017 0 7878 367 220 147 147 0 8 8
pvpl 32 1536041 0 1514683 378 163 215 252 0 265 26
pmappl 248 4004 0 3900 7 0 7 7 0 8 0
extentpl 40 58 0 38 1 0 1 1 0 8 0
phpool 112 1269 0 337 27 0 27 27 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
x86_ipi_db(ffffffff829afff0) 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+0x2f kd_curproc sys/dev/kcov.c:578 [inline]
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2f sys/dev/kcov.c:148
__mp_lock(ffffffff82a2d4c8) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82a2d4c8) at __mp_lock+0x133 sys/kern/kern_lock.c:147
intr_handler(ffff800022c75700,ffff80000004bd00) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532
Xintr_ioapic_edge21_untramp() at Xintr_ioapic_edge21_untramp+0x18f
Xspllower() at Xspllower+0x19
cnputc(70) at cnputc+0x4b sys/dev/cons.c:239
db_putchar(70) at db_putchar+0x3fc sys/ddb/db_output.c:155
kprintf() at kprintf+0x6ac sys/kern/subr_prf.c:728
db_printf(ffffffff82616a00) at db_printf+0x85 sys/kern/subr_prf.c:502
panic(ffffffff82590f5a) at panic+0xd7 sys/kern/subr_prf.c:220
vop_generic_badop(ffff800022c75b28) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133
end trace frame: 0xffff800022c75b70, count: 0
ddb{0}> trace
x86_ipi_db(ffffffff829afff0) 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+0x2f kd_curproc sys/dev/kcov.c:578 [inline]
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2f sys/dev/kcov.c:148
__mp_lock(ffffffff82a2d4c8) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82a2d4c8) at __mp_lock+0x133 sys/kern/kern_lock.c:147
intr_handler(ffff800022c75700,ffff80000004bd00) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532
Xintr_ioapic_edge21_untramp() at Xintr_ioapic_edge21_untramp+0x18f
Xspllower() at Xspllower+0x19
cnputc(70) at cnputc+0x4b sys/dev/cons.c:239
db_putchar(70) at db_putchar+0x3fc sys/ddb/db_output.c:155
kprintf() at kprintf+0x6ac sys/kern/subr_prf.c:728
db_printf(ffffffff82616a00) at db_printf+0x85 sys/kern/subr_prf.c:502
panic(ffffffff82590f5a) at panic+0xd7 sys/kern/subr_prf.c:220
vop_generic_badop(ffff800022c75b28) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133
VOP_STRATEGY(fffffd806a3e9c78,fffffd8064d3db68) at VOP_STRATEGY+0x9b sys/kern/vfs_vops.c:644
bwrite(fffffd8064d3db68) at bwrite+0x1f0 sys/kern/vfs_bio.c:763
VOP_BWRITE(fffffd8064d3db68) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:656
ufs_mkdir(ffff800022c75dc0) at ufs_mkdir+0x6b4 sys/ufs/ufs/ufs_vnops.c:1248
VOP_MKDIR(fffffd806a4e95b0,ffff800022c75f20,ffff800022c75f50,ffff800022c75e50) at VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404
domkdirat(ffff80002117fce0,ffffff9c,7f7ffffc1e80,1ff) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3116
syscall(ffff800022c760d0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800022c760d0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffc1ef0, count: -22
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:437
panic(ffffffff8259c6dd) at panic+0x177 sys/kern/subr_prf.c:202
__assert(ffffffff8261342d,ffffffff82622222,aae,ffffffff825d42a6) at __assert+0x25 sys/kern/subr_prf.c:161
uvm_map_teardown(fffffd8077a25a28) at uvm_map_teardown+0x2e8 sys/uvm/uvm_map.c:2736
uvmspace_free(fffffd8077a25a28) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3684
reaper(ffff800021143508) at reaper+0x19a sys/kern/kern_exit.c:454
end trace frame: 0x0, count: 9
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8259c6dd) at panic+0x177 sys/kern/subr_prf.c:202
__assert(ffffffff8261342d,ffffffff82622222,aae,ffffffff825d42a6) at __assert+0x25 sys/kern/subr_prf.c:161
uvm_map_teardown(fffffd8077a25a28) at uvm_map_teardown+0x2e8 sys/uvm/uvm_map.c:2736
uvmspace_free(fffffd8077a25a28) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3684
reaper(ffff800021143508) at reaper+0x19a sys/kern/kern_exit.c:454
end trace frame: 0x0, count: -6
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot found the following issue on:
HEAD commit: db879ab8e4d2 Split dispatch_rtmsg_addr() into a function p..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=178c4d30080000
kernel config: https://syzkaller.appspot.com/x/.config?x=7058272de1526588
dashboard link: https://syzkaller.appspot.com/bug?extid=217dd7c1b8bcbd3b5e5f
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+217dd7...@syzkaller.appspotmail.com
ppanic: kernel diagnostic assertion "!_kernel_lock_held()" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_map.c", line 2734
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
310444 33583 0 0x2 0 0 syz-executor.0
* 38551 23597 0 0x14000 0x200 1 reaper
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8259c6dd) at panic+0x177 sys/kern/subr_prf.c:202
__assert(ffffffff8261342d,ffffffff82622222,aae,ffffffff825d42a6) at __assert+0x25 sys/kern/subr_prf.c:161
uvm_map_teardown(fffffd8077a25a28) at uvm_map_teardown+0x2e8 sys/uvm/uvm_map.c:2736
uvmspace_free(fffffd8077a25a28) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3684
reaper(ffff800021143508) at reaper+0x19a sys/kern/kern_exit.c:454
end trace frame: 0x0, count: 9
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: vop_generic_badop
cpu1: kernel diagnostic assertion "!_kernel_lock_held()" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_map.c", line 2734
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8259c6dd) at panic+0x177 sys/kern/subr_prf.c:202
__assert(ffffffff8261342d,ffffffff82622222,aae,ffffffff825d42a6) at __assert+0x25 sys/kern/subr_prf.c:161
uvm_map_teardown(fffffd8077a25a28) at uvm_map_teardown+0x2e8 sys/uvm/uvm_map.c:2736
uvmspace_free(fffffd8077a25a28) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3684
reaper(ffff800021143508) at reaper+0x19a sys/kern/kern_exit.c:454
end trace frame: 0x0, count: -6
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff800021148ea0
rbx 0xffff800020ce9c5f
rdx 0
rcx 0
rax 0xffff800021143508
r8 0x101010101010101
r9 0x8080808080808080
r10 0x7ffae21ada5055cc
r11 0x171f80c0a2ab99db
r12 0xffff800020ce9a60
r13 0
r14 0xffffffff829b0a60 cpu_info_full_primary+0x2a60
r15 0x1
rip 0xffffffff817e7b68 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff800021148e90
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb{1}> show proc
PROC (reaper) pid=38551 stat=onproc
flags process=14000<NOZOMBIE,SYSTEM> proc=200<SYSTEM>
pri=4, usrpri=64, nice=20
forw=0xffffffffffffffff, list=0xffff800021143ce8,0xffff800021142018
process=0xffff8000ffffedb8 user=0xffff800021144000, vmspace=0xffffffff829ed080
estcpu=14, cpticks=47, pctcpu=3.42
user=0, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
43861 503193 15664 0 2 0 syz-executor.6
43861 65837 15664 0 3 0x4000080 fsleep syz-executor.6
43861 272673 15664 0 3 0x4000080 fsleep syz-executor.6
43861 366204 15664 0 3 0x4000080 fsleep syz-executor.6
80333 456176 4285 0 2 0 syz-executor.2
72124 212447 30421 0 3 0x80 nanoslp syz-executor.7
72124 456869 30421 0 3 0x4000080 fsleep syz-executor.7
72124 358980 30421 0 2 0x4000000 syz-executor.7
21832 192426 0 0 3 0x14280 nfsidl nfsio
14813 128792 0 0 3 0x14280 nfsidl nfsio
18721 283992 0 0 3 0x14280 nfsidl nfsio
32458 411514 0 0 3 0x14280 nfsidl nfsio
59622 247436 0 0 3 0x14280 nfsidl nfsio
53701 325958 0 0 3 0x14280 nfsidl nfsio
60009 224175 0 0 3 0x14280 nfsidl nfsio
36365 258749 0 0 3 0x14280 nfsidl nfsio
27834 398085 0 0 3 0x14280 nfsidl nfsio
94995 55607 0 0 3 0x14280 nfsidl nfsio
50213 108641 0 0 3 0x14280 nfsidl nfsio
85438 474381 0 0 3 0x14280 nfsidl nfsio
7838 219241 0 0 3 0x14280 nfsidl nfsio
23128 301397 0 0 3 0x14280 nfsidl nfsio
76155 36069 0 0 3 0x14280 nfsidl nfsio
6933 210937 0 0 3 0x14280 nfsidl nfsio
21066 153221 0 0 3 0x14280 nfsidl nfsio
33420 504678 0 0 3 0x14280 nfsidl nfsio
34865 468457 0 0 3 0x14280 nfsidl nfsio
48067 84343 0 0 3 0x14280 nfsidl nfsio
53122 421031 0 0 3 0x14200 acct acct
89117 73235 90149 0 3 0x2 biowait syz-executor.3
33583 310444 90149 0 7 0x2 syz-executor.0
70922 274178 90149 0 2 0x2 syz-executor.1
4285 516895 90149 0 3 0x82 nanoslp syz-executor.2
2960 393829 1 0 3 0x100083 ttyin getty
71116 266212 0 0 3 0x14200 bored sosplice
91035 363307 90149 0 3 0x82 nanoslp syz-executor.4
15664 25127 90149 0 3 0x82 nanoslp syz-executor.6
30421 81308 90149 0 3 0x82 nanoslp syz-executor.7
8829 121420 90149 0 2 0x2 syz-executor.5
90149 49478 41728 0 3 0x82 thrsleep syz-fuzzer
90149 374827 41728 0 3 0x4000082 nanoslp syz-fuzzer
90149 96824 41728 0 3 0x4000082 thrsleep syz-fuzzer
90149 451703 41728 0 3 0x4000082 thrsleep syz-fuzzer
90149 366838 41728 0 3 0x4000082 kqread syz-fuzzer
90149 164528 41728 0 3 0x4000082 thrsleep syz-fuzzer
90149 238957 41728 0 3 0x4000082 thrsleep syz-fuzzer
90149 275999 41728 0 3 0x4000082 nanoslp syz-fuzzer
90149 407980 41728 0 3 0x4000082 thrsleep syz-fuzzer
90149 275463 41728 0 3 0x4000082 thrsleep syz-fuzzer
41728 448487 65884 0 3 0x10008a sigsusp ksh
65884 423167 26228 0 3 0x9a kqread sshd
26228 228308 1 0 3 0x88 kqread sshd
22556 351666 59845 74 3 0x1100092 bpf pflogd
59845 213063 1 0 3 0x80 netio pflogd
21482 202778 81023 73 3 0x1100090 kqread syslogd
81023 137929 1 0 3 0x100082 netio syslogd
17663 62173 1 0 3 0x100080 kqread resolvd
16869 192833 88595 77 3 0x100092 kqread dhcpleased
35195 77150 88595 77 3 0x100092 kqread dhcpleased
88595 178499 1 0 3 0x80 kqread dhcpleased
11322 174703 0 0 3 0x14200 bored smr
81393 83087 0 0 2 0x14200 zerothread
19691 470878 0 0 3 0x14200 aiodoned aiodoned
67311 489347 0 0 3 0x14200 syncer update
25213 107696 0 0 3 0x14200 cleaner cleaner
*23597 38551 0 0 7 0x14200 reaper
82385 283654 0 0 3 0x14200 pgdaemon pagedaemon
85012 88723 0 0 3 0x14200 bored viomb
21134 48813 0 0 3 0x40014200 acpi0 acpi0
16999 3019 0 0 3 0x40014200 idle1
41103 507239 0 0 3 0x14200 bored softnet
83485 27837 0 0 3 0x14200 bored softnet
34738 157898 0 0 3 0x14200 bored softnet
64476 41575 0 0 3 0x14200 bored softnet
55519 272700 0 0 3 0x14200 bored systqmp
62735 523804 0 0 3 0x14200 bored systq
47282 9178 0 0 3 0x40014200 bored softclock
87542 166306 0 0 3 0x40014200 idle0
1 361417 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
CPU 1:
exclusive sched_lock &sched_lock r = 1 (0xffffffff82b786a8)
#0 witness_lock+0x44d
#1 wakeup_n+0x37
#2 sched_idle+0x232 sys/kern/kern_sched.c:166
#3 proc_trampoline+0x1c
Process 89117 (syz-executor.3) thread 0xffff8000fffefce8 (73235)
exclusive rrwlock inode r = 0 (0xfffffd8077a444d8)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#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:678
#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:1852
#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 (0xfffffd806edf64e8)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#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:1852
#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 33583 (syz-executor.0) thread 0xffff80002117fce0 (310444)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82a2d6d0)
#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+0x180 sys/kern/kern_synch.c:420
#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 ffs_update+0x27d sys/ufs/ffs/ffs_inode.c:113
#8 ufs_mkdir+0x662 sys/ufs/ufs/ufs_vnops.c:1232
#9 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404
#10 domkdirat+0x121 sys/kern/vfs_syscalls.c:3116
#11 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#11 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#12 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd8077a44098)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#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:678
#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_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1162
#10 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404
#11 domkdirat+0x121 sys/kern/vfs_syscalls.c:3116
#12 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#12 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#13 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd80676ce5f8)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#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:3101
#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 70922 (syz-executor.1) thread 0xffff8000fffefa48 (274178)
exclusive rrwlock inode r = 0 (0xfffffd806ed5cd68)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#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:3116
#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 (0xfffffd806f1e81a8)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#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:3101
#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 8829 (syz-executor.5) thread 0xffff8000211ff7b0 (121420)
exclusive rrwlock inode r = 0 (0xfffffd8077a44918)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#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:678
#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:1852
#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 (0xfffffd806e8e40a8)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#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:678
#6 cache_lookup+0x2b4 sys/kern/vfs_cache.c:224
#7 ufs_lookup+0x1ac sys/ufs/ufs/ufs_lookup.c:162
#8 VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85
#9 vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:561
#10 namei+0x36a sys/kern/vfs_lookup.c:245
#11 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1852
#12 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#12 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#13 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10270 6552K 7414K 78643K 17884 0
pcb 13 14K 16K 78643K 415 0
rtable 174 7K 7K 78643K 650 0
ifaddr 80 17K 19K 78643K 292 0
sysctl 2 0K 0K 78643K 2 0
counters 52 35K 36K 78643K 124 0
ioctlops 0 0K 4K 78643K 2084 0
iov 0 0K 16K 78643K 241 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 4 0
vnodes 1426 89K 90K 78643K 3135 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 29 0
VM map 2 1K 1K 78643K 2 0
sem 12 0K 0K 78643K 436 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12548 0
file desc 13 45K 85K 78643K 3635 0
sigio 0 0K 0K 78643K 187 0
proc 70 91K 128K 78643K 806 0
subproc 104 6K 6K 78643K 156 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 226 0
in_multi 76 5K 7K 78643K 246 0
ether_multi 1 0K 0K 78643K 22 0
mrt 1 0K 0K 78643K 9 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 157 705K 705K 78643K 157 0
exec 0 0K 2K 78643K 1205 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 307 296K 297K 78643K 23346 0
UVM aobj 32 2K 2K 78643K 32 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 57 0
NDP 11 0K 1K 78643K 86 0
temp 127 4734K 70253K 78643K 31994 0
kqueue 12 18K 24K 78643K 233 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 120 194 0 191 3 2 1 2 0 8 0
rtentry 112 204 0 129 4 0 4 4 0 8 0
unpcb 136 3981 0 3966 29 26 3 6 0 8 2
syncache 296 27 0 27 6 6 0 1 0 8 0
tcpqe 32 101 0 101 5 5 0 1 0 8 0
tcpcb 736 1324 0 1311 44 41 3 13 0 8 0
arp 120 28 0 16 1 0 1 1 0 8 0
inpcb 312 4372 0 4358 48 41 7 12 0 8 3
nd6 48 51 0 35 1 0 1 1 0 8 0
pkpcb 40 27 0 27 4 4 0 1 0 8 0
kcovpl 48 12 0 4 1 0 1 1 0 8 0
ppxss 1248 11 0 11 3 3 0 1 0 8 0
pfstscr 40 81 0 81 3 3 0 1 0 8 0
pffrag 232 9 0 8 2 1 1 1 0 482 0
pffrnode 88 9 0 8 2 1 1 1 0 8 0
pffrent 40 26 0 25 4 3 1 1 0 8 0
pfosfp 40 1432 0 1007 5 0 5 5 0 8 0
pfosfpen 112 1432 0 716 21 0 21 21 0 8 0
pfrktable 1344 15 0 12 2 1 1 1 0 8 0
pftag 88 9 0 8 1 0 1 1 0 8 0
pfqueue 264 3 0 3 1 1 0 1 0 8 0
pfstitem 24 71 0 69 1 0 1 1 0 8 0
pfstkey 112 155 0 153 2 1 1 2 0 8 0
pfstate 336 110 0 108 3 2 1 3 0 8 0
pfrule 1360 125 0 105 3 1 2 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 879 0 517 31 5 26 29 0 8 0
art_table 32 880 0 517 4 0 4 4 0 8 0
art_node 16 203 0 141 1 0 1 1 0 8 0
sysvmsgpl 40 16 0 4 1 0 1 1 0 8 0
semapl 112 434 0 424 1 0 1 1 0 8 0
shmpl 112 29 0 0 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 6193 0 4754 91 0 91 91 0 8 0
ffsino 272 6193 0 4754 97 0 97 97 0 8 0
nchpl 144 11274 0 9629 63 0 63 63 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 39433 0 39431 6 5 1 2 0 8 0
percpumem 16 74 0 36 1 0 1 1 0 8 0
vcpupl 2048 78 0 0 10 0 10 10 0 8 0
vmpool 560 78 0 0 6 0 6 6 0 8 0
pfiaddrpl 120 6 0 4 2 1 1 1 0 8 0
kstatmem 264 94 0 72 2 0 2 2 0 8 0
scsiplug 72 6 0 6 2 1 1 1 0 8 1
scxspl 216 34411 0 34410 17 16 1 8 0 8 0
plimitpl 152 380 0 365 1 0 1 1 0 8 0
sigapl 424 3997 0 3931 10 1 9 9 0 8 0
futexpl 64 30204 0 30200 5 4 1 1 0 8 0
knotepl 120 443 0 0 9 2 7 8 0 8 0
kqueuepl 216 491 0 483 9 8 1 5 0 8 0
pipepl 336 726 0 698 22 19 3 8 0 8 0
fdescpl 496 3927 0 3901 5 0 5 5 0 8 0
filepl 152 25954 0 25713 48 36 12 20 0 8 0
lockfpl 104 881 0 879 2 1 1 2 0 8 0
lockfspl 48 288 0 286 1 0 1 1 0 8 0
sessionpl 144 29 0 12 1 0 1 1 0 8 0
pgrppl 48 58 0 41 1 0 1 1 0 8 0
ucredpl 96 3960 0 3948 1 0 1 1 0 8 0
zombiepl 144 3932 0 3931 1 0 1 1 0 8 0
processpl 1064 3997 0 3931 6 0 6 6 0 8 0
procpl 672 10755 0 10675 14 5 9 9 0 8 1
srpgc 96 4 0 4 2 2 0 1 0 8 0
sosppl 168 22 0 22 5 5 0 1 0 8 0
sockpl 480 8574 0 8542 187 173 14 34 0 8 7
mcl64k 65536 17 0 0 3 0 3 3 0 8 0
mcl16k 16384 15 0 0 2 0 2 2 0 8 0
mcl12k 12288 17 0 0 2 0 2 2 0 8 0
mcl9k 9216 8 0 0 1 0 1 1 0 8 0
mcl8k 8192 17 0 0 3 0 3 3 0 8 1
mcl4k 4096 17 0 0 3 0 3 3 0 8 0
mcl2k2 2112 8 0 0 1 0 1 1 0 8 0
mcl2k 2048 299 0 0 21 0 21 21 0 8 0
mtagpl 96 440 0 0 11 0 11 11 0 8 0
mbufpl 256 819 0 0 44 0 44 44 0 8 0
bufpl 288 9061 0 2731 453 0 453 453 0 8 0
anonpl 24 739046 0 722152 203 73 130 132 0 186 14
amapchunkpl 152 66300 0 65599 50 17 33 40 0 158 0
amappl16 200 9312 0 8786 73 34 39 41 0 8 8
amappl15 192 1688 0 1684 1 0 1 1 0 8 0
amappl14 184 882 0 877 1 0 1 1 0 8 0
amappl13 176 955 0 951 1 0 1 1 0 8 0
amappl12 168 5 0 4 2 1 1 1 0 8 0
amappl11 160 476 0 455 2 0 2 2 0 8 0
amappl10 152 41 0 35 1 0 1 1 0 8 0
amappl9 144 622 0 619 1 0 1 1 0 8 0
amappl8 136 966 0 886 3 0 3 3 0 8 0
amappl7 128 368 0 354 1 0 1 1 0 8 0
amappl6 120 383 0 360 2 1 1 2 0 8 0
amappl5 112 2582 0 2565 1 0 1 1 0 8 0
amappl4 104 2382 0 2355 2 1 1 2 0 8 0
amappl3 96 11313 0 11267 2 0 2 2 0 8 0
amappl2 88 5228 0 5167 3 1 2 3 0 8 0
amappl1 80 97072 0 96446 20 5 15 20 0 8 0
amappl 88 22706 0 22524 5 0 5 5 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 31 0 0 1 0 1 1 0 8 0
uaddrrnd 24 4005 0 3900 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 4005 0 3900 1 0 1 1 0 8 0
vmmpekpl 168 30629 0 30549 4 0 4 4 0 8 0
vmmpepl 168 379588 0 377094 191 57 134 140 0 357 13
vmsppl 368 4004 0 3900 11 1 10 10 0 8 0
rwobjpl 56 101361 0 93839 113 2 111 111 0 8 3
pdppl 4096 8017 0 7878 367 220 147 147 0 8 8
pvpl 32 1536041 0 1514683 378 163 215 252 0 265 26
pmappl 248 4004 0 3900 7 0 7 7 0 8 0
extentpl 40 58 0 38 1 0 1 1 0 8 0
phpool 112 1269 0 337 27 0 27 27 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
x86_ipi_db(ffffffff829afff0) 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+0x2f kd_curproc sys/dev/kcov.c:578 [inline]
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2f sys/dev/kcov.c:148
__mp_lock(ffffffff82a2d4c8) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82a2d4c8) at __mp_lock+0x133 sys/kern/kern_lock.c:147
intr_handler(ffff800022c75700,ffff80000004bd00) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532
Xintr_ioapic_edge21_untramp() at Xintr_ioapic_edge21_untramp+0x18f
Xspllower() at Xspllower+0x19
cnputc(70) at cnputc+0x4b sys/dev/cons.c:239
db_putchar(70) at db_putchar+0x3fc sys/ddb/db_output.c:155
kprintf() at kprintf+0x6ac sys/kern/subr_prf.c:728
db_printf(ffffffff82616a00) at db_printf+0x85 sys/kern/subr_prf.c:502
panic(ffffffff82590f5a) at panic+0xd7 sys/kern/subr_prf.c:220
vop_generic_badop(ffff800022c75b28) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133
end trace frame: 0xffff800022c75b70, count: 0
ddb{0}> trace
x86_ipi_db(ffffffff829afff0) 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+0x2f kd_curproc sys/dev/kcov.c:578 [inline]
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2f sys/dev/kcov.c:148
__mp_lock(ffffffff82a2d4c8) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82a2d4c8) at __mp_lock+0x133 sys/kern/kern_lock.c:147
intr_handler(ffff800022c75700,ffff80000004bd00) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532
Xintr_ioapic_edge21_untramp() at Xintr_ioapic_edge21_untramp+0x18f
Xspllower() at Xspllower+0x19
cnputc(70) at cnputc+0x4b sys/dev/cons.c:239
db_putchar(70) at db_putchar+0x3fc sys/ddb/db_output.c:155
kprintf() at kprintf+0x6ac sys/kern/subr_prf.c:728
db_printf(ffffffff82616a00) at db_printf+0x85 sys/kern/subr_prf.c:502
panic(ffffffff82590f5a) at panic+0xd7 sys/kern/subr_prf.c:220
vop_generic_badop(ffff800022c75b28) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133
VOP_STRATEGY(fffffd806a3e9c78,fffffd8064d3db68) at VOP_STRATEGY+0x9b sys/kern/vfs_vops.c:644
bwrite(fffffd8064d3db68) at bwrite+0x1f0 sys/kern/vfs_bio.c:763
VOP_BWRITE(fffffd8064d3db68) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:656
ufs_mkdir(ffff800022c75dc0) at ufs_mkdir+0x6b4 sys/ufs/ufs/ufs_vnops.c:1248
VOP_MKDIR(fffffd806a4e95b0,ffff800022c75f20,ffff800022c75f50,ffff800022c75e50) at VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404
domkdirat(ffff80002117fce0,ffffff9c,7f7ffffc1e80,1ff) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3116
syscall(ffff800022c760d0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800022c760d0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffc1ef0, count: -22
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:437
panic(ffffffff8259c6dd) at panic+0x177 sys/kern/subr_prf.c:202
__assert(ffffffff8261342d,ffffffff82622222,aae,ffffffff825d42a6) at __assert+0x25 sys/kern/subr_prf.c:161
uvm_map_teardown(fffffd8077a25a28) at uvm_map_teardown+0x2e8 sys/uvm/uvm_map.c:2736
uvmspace_free(fffffd8077a25a28) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3684
reaper(ffff800021143508) at reaper+0x19a sys/kern/kern_exit.c:454
end trace frame: 0x0, count: 9
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8259c6dd) at panic+0x177 sys/kern/subr_prf.c:202
__assert(ffffffff8261342d,ffffffff82622222,aae,ffffffff825d42a6) at __assert+0x25 sys/kern/subr_prf.c:161
uvm_map_teardown(fffffd8077a25a28) at uvm_map_teardown+0x2e8 sys/uvm/uvm_map.c:2736
uvmspace_free(fffffd8077a25a28) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3684
reaper(ffff800021143508) at reaper+0x19a sys/kern/kern_exit.c:454
end trace frame: 0x0, count: -6
---
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syzbot
Feb 19, 2023, 8:52:39 PM2/19/23
to syzkaller-o...@googlegroups.com
Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.
Crashes did not happen for a while, no reproducer and no activity.
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