| Kernel | Title | Rank 🛈 | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| openbsd | panic: mtx ADDR: locking against myself | 2 | C | 3 | 2323d | 2323d | 3/3 | fixed on 2019/04/22 08:46 |
syzbot |
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| Kernel | Title | Rank 🛈 | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| openbsd | panic: mtx ADDR: locking against myself | 2 | C | 3 | 2323d | 2323d | 3/3 | fixed on 2019/04/22 08:46 |
panic: mtx 0xffffffff838f38b0: locking against myself
Stopped at db_enter+0x25: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*153696 52575 32767 0x10 0 0 syz-executor
8820 32470 32767 0x400010 0 1 syz-executor
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff83339cd2) at panic+0x1e5 sys/kern/subr_prf.c:198
mtx_enter_try(ffffffff838f38b0) at mtx_enter_try+0x1da
mtx_enter(ffffffff838f38b0) at mtx_enter+0x62 sys/kern/kern_lock.c:261
uvm_pageclean(fffffd8008566170) at uvm_pageclean+0x28e uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline]
uvm_pageclean(fffffd8008566170) at uvm_pageclean+0x28e sys/uvm/uvm_page.c:980
uvm_pagefree(fffffd8008566170) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020
uvn_get(fffffd806b1f96d0,0,ffff80003a849868,ffff80003a84984c,0,2,b9ead65f5d5bd83e,2) at uvn_get+0x686 sys/uvm/uvm_vnode.c:1118
uvm_fault_lower_io(ffff80003a849a80,ffff80003a849ab8,ffff80003a849900,ffff80003a8498e8) at uvm_fault_lower_io+0x2cd sys/uvm/uvm_fault.c:1652
uvm_fault_lower(ffff80003a849a80,ffff80003a849ab8,ffff80003a849a00) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419
uvm_fault(fffffd806b9099b8,200000000000,0,2) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1
upageflttrap(ffff80003a849c10,2000000000c0) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192
usertrap(ffff80003a849c10) at usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:605
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x73f27a72add0, count: 2
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: mtx 0xffffffff838f38b0: locking against myself
ddb{0}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff83339cd2) at panic+0x1e5 sys/kern/subr_prf.c:198
mtx_enter_try(ffffffff838f38b0) at mtx_enter_try+0x1da
mtx_enter(ffffffff838f38b0) at mtx_enter+0x62 sys/kern/kern_lock.c:261
uvm_pageclean(fffffd8008566170) at uvm_pageclean+0x28e uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline]
uvm_pageclean(fffffd8008566170) at uvm_pageclean+0x28e sys/uvm/uvm_page.c:980
uvm_pagefree(fffffd8008566170) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020
uvn_get(fffffd806b1f96d0,0,ffff80003a849868,ffff80003a84984c,0,2,b9ead65f5d5bd83e,2) at uvn_get+0x686 sys/uvm/uvm_vnode.c:1118
uvm_fault_lower_io(ffff80003a849a80,ffff80003a849ab8,ffff80003a849900,ffff80003a8498e8) at uvm_fault_lower_io+0x2cd sys/uvm/uvm_fault.c:1652
uvm_fault_lower(ffff80003a849a80,ffff80003a849ab8,ffff80003a849a00) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419
uvm_fault(fffffd806b9099b8,200000000000,0,2) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1
upageflttrap(ffff80003a849c10,2000000000c0) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192
usertrap(ffff80003a849c10) at usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:605
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x73f27a72add0, count: -13
ddb{0}> show registers
rdi 0
rsi 0x1
rbp 0xffff80003a8495a0
rbx 0xffffffff83864ddf cpu_info_full_primary+0x2ddf
rdx 0
rcx 0xffff80003c47afc0
rax 0xffffffff83863ff0 cpu_info_full_primary+0x1ff0
r8 0x101010101010101
r9 0x8080808080808080
r10 0x6991844e2df72515
r11 0x93ffed077bb21875
r12 0xffffffff83864be0 cpu_info_full_primary+0x2be0
r13 0
r14 0
r15 0x1
rip 0xffffffff83195555 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff80003a849590
ss 0
db_enter+0x25: addq $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor) tid=153696 pid=52575 tcnt=4 stat=onproc
flags process=10<SUGID> proc=0
runpri=36, usrpri=50, slppri=36, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80003c47b4f0,0xffff80003c47a570
process=0xffff80003c47c510 user=0xffff80003a844000, vmspace=0xfffffd806b9099b8
estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
*52575 153696 79592 32767 7 0x10 syz-executor
52575 28508 79592 32767 3 0x4000090 fsleep syz-executor
52575 361689 79592 32767 3 0x4000010 getblk syz-executor
52575 504941 79592 32767 3 0x4000090 fsleep syz-executor
22725 105726 29603 32767 2 0x10 syz-executor
22725 412753 29603 32767 3 0x4000090 fsleep syz-executor
22725 341472 29603 32767 3 0x4000090 fsleep syz-executor
54672 300277 55940 32767 2 0x10 syz-executor
54672 460973 55940 32767 3 0x4000090 fsleep syz-executor
38593 54564 43583 32767 3 0x4000090 nanoslp syz-executor
38593 415064 43583 32767 2 0x4000010 syz-executor
38593 169273 43583 32767 3 0x4000090 fsleep syz-executor
38593 60515 43583 32767 2 0x4000010 syz-executor
6621 503949 73459 32767 2 0x10 syz-executor
23978 281598 69178 32767 2 0x10 syz-executor
23978 41360 69178 32767 3 0x4000090 fsleep syz-executor
23978 247310 69178 32767 3 0x4000090 fsleep syz-executor
32470 8820 5743 32767 7 0x400010 syz-executor
32470 289773 5743 32767 3 0x4400090 ttyout syz-executor
32470 378454 5743 32767 3 0x4400090 ttyout syz-executor
32470 128848 5743 32767 3 0x4400090 ttyretype syz-executor
32470 431527 5743 32767 2 0x4400010 syz-executor
31254 393070 67327 0 3 0x82 sbwait sshd-session
36177 8339 0 0 3 0x14200 bored sosplice
96602 284623 95943 32767 3 0x10 biowait syz-executor
5743 348932 21232 32767 3 0x90 nanoslp syz-executor
69178 466243 32817 32767 3 0x90 nanoslp syz-executor
55940 499729 9895 32767 3 0x90 nanoslp syz-executor
73459 194315 64748 32767 2 0x10 syz-executor
79592 494475 2687 32767 3 0x90 nanoslp syz-executor
43583 269730 42770 32767 3 0x90 nanoslp syz-executor
29603 33774 57837 32767 3 0x90 nanoslp syz-executor
64748 503661 40686 0 3 0x82 wait syz-executor
9895 42087 40686 0 3 0x82 wait syz-executor
2687 120569 40686 0 3 0x82 wait syz-executor
42770 26010 40686 0 3 0x82 wait syz-executor
21232 100474 40686 0 3 0x82 wait syz-executor
95943 76283 40686 0 3 0x82 wait syz-executor
57837 266576 40686 0 3 0x82 wait syz-executor
32817 58325 40686 0 3 0x82 wait syz-executor
40686 344248 28341 0 3 0x82 kqread syz-executor
28341 255021 10448 0 3 0x10008a sigsusp ksh
10448 382744 48260 0 3 0x98 kqread sshd-session
48260 500209 67327 0 3 0x92 kqread sshd-session
29067 366322 1 0 3 0x100083 ttyin getty
67327 247380 1 0 3 0x88 kqread sshd
63319 316819 53075 73 3 0x1100090 kqread syslogd
53075 27545 1 0 3 0x100082 sbwait syslogd
20025 415216 1 0 3 0x100080 kqread resolvd
68951 234051 10496 77 3 0x100092 kqread dhcpleased
17828 131055 10496 77 3 0x100092 kqread dhcpleased
10496 71549 1 0 3 0x80 kqread dhcpleased
66574 420155 0 0 3 0x14200 bored smr
67281 36230 0 0 2 0x14200 zerothread
42322 174459 0 0 3 0x14200 aiodoned aiodoned
97533 2700 0 0 3 0x14200 syncer update
99561 150199 0 0 3 0x14200 cleaner cleaner
9852 434544 0 0 3 0x14200 reaper reaper
27055 400377 0 0 3 0x14200 pgdaemon pagedaemon
90699 494673 0 0 3 0x14200 bored viomb
4210 178598 0 0 3 0x40014200 acpi0 acpi0
507 293359 0 0 3 0x40014200 idle1
57146 298938 0 0 3 0x14200 bored softnet7
65075 377515 0 0 3 0x14200 bored softnet6
90323 158578 0 0 3 0x14200 bored softnet5
20121 468184 0 0 3 0x14200 bored softnet4
23739 14736 0 0 3 0x14200 bored softnet3
27867 199399 0 0 3 0x14200 bored softnet2
93002 349586 0 0 3 0x14200 bored softnet1
45304 113080 0 0 3 0x14200 bored softnet0
85071 7156 0 0 3 0x14200 bored systqmp
21482 302677 0 0 3 0x14200 bored systq
14978 162008 0 0 3 0x14200 tmoslp softclockmp
69961 87133 0 0 3 0x40014200 tmoslp softclock
25121 491287 0 0 3 0x40014200 idle0
1 300471 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
CPU 0:
exclusive mutex &uvm.pageqlock r = 0 (0xffffffff838f38c0)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 mtx_enter_try+0x1ad sys/kern/kern_lock.c:311
#2 mtx_enter+0x62 sys/kern/kern_lock.c:261
#3 uvn_get+0x674 sys/uvm/uvm_vnode.c:1117
#4 uvm_fault_lower_io+0x2cd sys/uvm/uvm_fault.c:1652
#5 uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419
#6 uvm_fault+0x274 sys/uvm/uvm_fault.c:-1
#7 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192
#8 usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:605
#9 recall_trap+0x8
Process 52575 (syz-executor) thread 0xffff80003c47afc0 (153696)
exclusive rwlock uobjlk r = 0 (0xfffffd80686cd2a8)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 uvn_io+0x667 sys/uvm/uvm_vnode.c:1298
#3 uvn_get+0x31d sys/uvm/uvm_vnode.c:1102
#4 uvm_fault_lower_io+0x2cd sys/uvm/uvm_fault.c:1652
#5 uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419
#6 uvm_fault+0x274 sys/uvm/uvm_fault.c:-1
#7 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192
#8 usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:605
#9 recall_trap+0x8
exclusive mutex &uvm.pageqlock r = 0 (0xffffffff838f38c0)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 mtx_enter_try+0x1ad sys/kern/kern_lock.c:311
#2 mtx_enter+0x62 sys/kern/kern_lock.c:261
#3 uvn_get+0x674 sys/uvm/uvm_vnode.c:1117
#4 uvm_fault_lower_io+0x2cd sys/uvm/uvm_fault.c:1652
#5 uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419
#6 uvm_fault+0x274 sys/uvm/uvm_fault.c:-1
#7 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192
#8 usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:605
#9 recall_trap+0x8
Process 52575 (syz-executor) thread 0xffff80003c47a7f8 (361689)
exclusive rrwlock inode r = 0 (0xfffffd80789d2b40)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570
#5 sys_ftruncate+0x1c1 sys/kern/vfs_syscalls.c:2916
#6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748
#7 Xsyscall+0x128
Process 52575 (syz-executor) thread 0xffff80003c47ba20 (504941)
exclusive rwlock vmmaplk r = 0 (0xfffffd806b909ab8)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5168
#3 uvmfault_lookup+0xe8 sys/uvm/uvm_fault.c:1918
#4 uvm_fault_check+0x895 uvmfault_amapcopy sys/uvm/uvm_fault.c:235 [inline]
#4 uvm_fault_check+0x895 sys/uvm/uvm_fault.c:784
#5 uvm_fault+0x106 sys/uvm/uvm_fault.c:677
#6 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192
#7 usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:605
#8 recall_trap+0x8
Process 96602 (syz-executor) thread 0xffff80002a373a18 (284623)
exclusive rrwlock inode r = 0 (0xfffffd80789d2eb8)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570
#5 vget+0x2a2 sys/kern/vfs_subr.c:693
#6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98
#7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203
#8 ufs_lookup+0x1a36 sys/ufs/ufs/ufs_lookup.c:478
#9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
#10 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566
#11 namei+0x7ca sys/kern/vfs_lookup.c:250
#12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868
#13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748
#14 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806c4ca440)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570
#5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1
#6 namei+0x7ca sys/kern/vfs_lookup.c:250
#7 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868
#8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748
#9 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10196 10957K 10968K 166960K 11274 0
pcb 17 12K 12K 166960K 17 0
rtable 209 6K 6K 166960K 295 0
pf 31 16K 16K 166960K 31 0
ifaddr 42 7K 7K 166960K 44 0
ifgroup 50 2K 2K 166960K 50 0
sysctl 4 1K 9K 166960K 8 0
counters 68 36K 36K 166960K 68 0
ioctlops 0 0K 2K 166960K 29 0
iov 0 0K 12K 166960K 4 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1335 84K 84K 166960K 1354 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 5K 166960K 4 0
VM map 2 1K 1K 166960K 2 0
sem 4 0K 0K 166960K 5 0
dirhash 12 2K 2K 166960K 12 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 25 93K 125K 166960K 226 0
sigio 0 0K 0K 166960K 3 0
proc 58 99K 163K 166960K 482 0
subproc 72 4K 4K 166960K 72 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 13 0
in_multi 99 7K 7K 166960K 102 0
ether_multi 1 0K 0K 166960K 1 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 79 360K 360K 166960K 79 0
exec 0 0K 1K 166960K 361 0
fusefs mount 1 32K 32K 166960K 1 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 258 176K 186K 166960K 3546 0
UVM aobj 7 2K 2K 166960K 7 0
pinsyscall 48 96K 111K 166960K 1258 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 9 0
NDP 11 0K 2K 166960K 27 0
temp 37 8638K 8702K 166960K 4082 0
kqueue 14 22K 26K 166960K 31 0
SYN cache 2 16K 16K 166960K 2 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 26 0 0 1 0 1 1 0 8 0
rtpcb 120 41 0 38 1 0 1 1 0 8 0
rtentry 176 97 0 1 5 0 5 5 0 8 0
unpcb 144 75 0 56 1 0 1 1 0 8 0
syncache 336 5 0 5 1 0 1 1 0 8 1
tcpcb 736 49 0 43 1 0 1 1 0 8 0
arp 128 10 0 0 1 0 1 1 0 8 0
inpcb 328 240 0 231 10 0 10 10 0 8 8
nd6 144 18 0 0 1 0 1 1 0 8 0
kcovpl 48 8 0 0 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 441 0 0 28 0 28 28 0 8 0
art_table 40 442 0 0 5 0 5 5 0 8 0
art_node 32 97 0 11 1 0 1 1 0 8 0
sysvmsgpl 40 2 0 2 1 0 1 1 0 8 1
semapl 112 3 0 1 1 0 1 1 0 8 0
shmpl 112 4 0 0 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1670 0 163 95 0 95 95 0 8 0
ffsino 296 1670 0 163 117 0 117 117 0 8 0
nchpl 144 1978 0 298 63 0 63 63 0 8 0
uvmvnodes 80 1751 0 0 36 0 36 36 0 8 0
vnodes 216 1751 0 0 98 0 98 98 0 8 0
namei 1024 6102 0 6102 2 0 2 2 0 8 2
percpumem 16 49 0 0 1 0 1 1 0 8 0
kstatmem 264 24 0 0 2 0 2 2 0 8 0
scxspl 216 6907 0 6905 4 3 1 3 1 8 0
plimitpl 152 49 0 24 2 0 2 2 0 8 0
sigapl 424 512 0 451 8 0 8 8 0 8 0
knotepl 120 63 0 0 2 0 2 2 0 8 0
kqueuepl 224 101 0 91 5 0 5 5 0 8 4
pipepl 344 107 0 79 3 0 3 3 0 8 0
fdescpl 528 489 0 451 4 0 4 4 0 8 0
filepl 160 1959 0 1737 14 0 14 14 0 8 3
lockfpl 104 16 0 12 1 0 1 1 0 8 0
lockfspl 48 9 0 5 1 0 1 1 0 8 0
sessionpl 144 23 0 6 1 0 1 1 0 8 0
pgrppl 48 31 0 6 1 0 1 1 0 8 0
ucredpl 104 190 0 171 1 0 1 1 0 8 0
zombiepl 144 451 0 451 1 0 1 1 0 8 1
processpl 1248 512 0 451 7 1 6 6 0 8 0
procpl 664 667 0 591 7 0 7 7 0 8 0
sockpl 752 359 0 328 13 1 12 13 0 8 8
mcl64k 65536 2 0 0 1 0 1 1 0 8 0
mcl16k 16384 4 0 0 1 0 1 1 0 8 0
mcl8k 8192 4 0 0 1 0 1 1 0 8 0
mcl4k 4096 126 0 0 16 0 16 16 0 8 0
mcl2k2 2112 1 0 0 1 0 1 1 0 8 0
mcl2k 2048 42 0 0 6 0 6 6 0 8 0
mtagpl 96 1 0 0 1 0 1 1 0 8 0
mbufpl 256 279 0 0 18 0 18 18 0 8 0
bufpl 280 2931 0 112 202 0 202 202 0 8 0
anonpl 32 5647 0 0 46 0 46 46 0 246 0
amapchunkpl 152 10723 0 10180 31 2 29 29 0 158 5
amappl16 200 1805 0 1783 5 2 3 5 0 8 1
amappl15 192 4 0 4 1 1 0 1 0 8 0
amappl14 184 107 0 96 1 0 1 1 0 8 0
amappl13 176 7 0 7 2 2 0 1 0 8 0
amappl12 168 1098 0 1061 2 0 2 2 0 8 0
amappl11 160 48 0 38 1 0 1 1 0 8 0
amappl10 152 3 0 3 1 1 0 1 0 8 0
amappl9 144 262 0 262 1 1 0 1 0 8 0
amappl8 136 30 0 29 1 0 1 1 0 8 0
amappl7 128 111 0 100 1 0 1 1 0 8 0
amappl6 120 176 0 172 1 0 1 1 0 8 0
amappl5 112 117 0 111 1 0 1 1 0 8 0
amappl4 104 269 0 253 1 0 1 1 0 8 0
amappl3 96 1758 0 1633 4 0 4 4 0 8 0
amappl2 88 619 0 558 2 0 2 2 0 8 0
amappl1 80 8687 0 8024 16 0 16 16 0 8 0
amappl 88 2890 0 2704 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 6 0 0 1 0 1 1 0 8 0
uaddrrnd 24 489 0 451 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 489 0 451 1 0 1 1 0 8 0
vmmpekpl 168 5575 0 5542 2 0 2 2 0 8 0
vmmpepl 168 37748 0 35510 108 1 107 108 0 357 3
vmsppl 488 488 0 451 7 1 6 6 0 8 0
rwobjpl 80 14838 0 12138 57 0 57 57 0 8 0
pdppl 4096 986 0 902 112 26 86 98 0 8 2
pvpl 32 13161 0 0 107 0 107 107 0 265 0
pmappl 256 488 0 451 4 1 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 293 0 29 8 0 8 8 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff83339cd2) at panic+0x1e5 sys/kern/subr_prf.c:198
mtx_enter_try(ffffffff838f38b0) at mtx_enter_try+0x1da
mtx_enter(ffffffff838f38b0) at mtx_enter+0x62 sys/kern/kern_lock.c:261
uvm_pageclean(fffffd8008566170) at uvm_pageclean+0x28e uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline]
uvm_pageclean(fffffd8008566170) at uvm_pageclean+0x28e sys/uvm/uvm_page.c:980
uvm_pagefree(fffffd8008566170) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020
uvn_get(fffffd806b1f96d0,0,ffff80003a849868,ffff80003a84984c,0,2,b9ead65f5d5bd83e,2) at uvn_get+0x686 sys/uvm/uvm_vnode.c:1118
uvm_fault_lower_io(ffff80003a849a80,ffff80003a849ab8,ffff80003a849900,ffff80003a8498e8) at uvm_fault_lower_io+0x2cd sys/uvm/uvm_fault.c:1652
uvm_fault_lower(ffff80003a849a80,ffff80003a849ab8,ffff80003a849a00) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419
uvm_fault(fffffd806b9099b8,200000000000,0,2) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1
upageflttrap(ffff80003a849c10,2000000000c0) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192
usertrap(ffff80003a849c10) at usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:605
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x73f27a72add0, count: -13
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
x86_ipi_db(ffff8000299edff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
end of kernel
end trace frame: 0x72b07392a400, count: 12
ddb{1}> trace
x86_ipi_db(ffff8000299edff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
end of kernel
end trace frame: 0x72b07392a400, count: -3
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025/08/14 14:09 | openbsd | 7a15ea66e78c | dcc075fb | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-setuid | panic: mtx ADDR: locking against myself | |||
| 2025/08/12 10:30 | openbsd | 4f0517bc68fc | c06e8995 | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-multicore | panic: mtx ADDR: locking against myself | |||
| 2025/08/12 01:12 | openbsd | 3ae9e49f3bd9 | c06e8995 | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-multicore | panic: mtx ADDR: locking against myself | |||
| 2025/08/11 23:07 | openbsd | 3ae9e49f3bd9 | c06e8995 | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-setuid | panic: mtx ADDR: locking against myself | |||
| 2025/08/11 20:33 | openbsd | 3ae9e49f3bd9 | c06e8995 | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-setuid | panic: mtx ADDR: locking against myself | |||
| 2025/08/11 14:13 | openbsd | 3e54954732e9 | 32a0e5ed | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-setuid | panic: mtx ADDR: locking against myself | |||
| 2025/08/11 11:23 | openbsd | 3e54954732e9 | 32a0e5ed | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-setuid | panic: mtx ADDR: locking against myself | |||
| 2025/08/10 13:41 | openbsd | db91578bce12 | 32a0e5ed | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-setuid | panic: mtx ADDR: locking against myself | |||
| 2025/08/09 07:50 | openbsd | 86b9fcdd2575 | 32a0e5ed | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-setuid | panic: mtx ADDR: locking against myself | |||
| 2025/08/08 06:48 | openbsd | ca647cfa4ec3 | 6a893178 | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-setuid | panic: mtx ADDR: locking against myself | |||
| 2025/08/07 01:44 | openbsd | 01075e58a8ba | 3cda49cf | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-multicore | panic: mtx ADDR: locking against myself | |||
| 2025/08/05 04:47 | openbsd | ba714b803396 | 3cda49cf | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-multicore | panic: mtx ADDR: locking against myself | |||
| 2025/08/05 03:03 | openbsd | ba714b803396 | 3cda49cf | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-setuid | panic: mtx ADDR: locking against myself | |||
| 2025/08/04 14:59 | openbsd | 42a7be81bef7 | 3cda49cf | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-setuid | panic: mtx ADDR: locking against myself | |||
| 2025/08/03 10:24 | openbsd | bf6d80a8c313 | 3cda49cf | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-multicore | panic: mtx ADDR: locking against myself | |||
| 2025/08/02 21:42 | openbsd | d2170a9a220c | 3cda49cf | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-setuid | panic: mtx ADDR: locking against myself | |||
| 2025/08/02 01:33 | openbsd | 8693ef6a6ffe | 3cda49cf | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-setuid | panic: mtx ADDR: locking against myself | |||
| 2025/08/01 18:38 | openbsd | 8693ef6a6ffe | 3cda49cf | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-setuid | panic: mtx ADDR: locking against myself | |||
| 2025/07/31 14:37 | openbsd | 788294299689 | 3cda49cf | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-multicore | panic: mtx ADDR: locking against myself | |||
| 2025/07/30 10:46 | openbsd | 8eeaa0a347fe | 3cda49cf | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-setuid | panic: mtx ADDR: locking against myself | |||
| 2025/07/29 09:23 | openbsd | fff03f7679b7 | 3cda49cf | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-setuid | panic: mtx ADDR: locking against myself | |||
| 2025/07/29 03:57 | openbsd | fff03f7679b7 | 3cda49cf | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-setuid | panic: mtx ADDR: locking against myself | |||
| 2025/07/28 07:53 | openbsd | 0897303859b5 | 3cda49cf | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-setuid | panic: mtx ADDR: locking against myself | |||
| 2025/07/27 16:12 | openbsd | 7b0d12c26b01 | 3cda49cf | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-multicore | panic: mtx ADDR: locking against myself | |||
| 2025/07/26 08:50 | openbsd | d5b024f63250 | 3cda49cf | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-multicore | panic: mtx ADDR: locking against myself | |||
| 2025/07/26 07:12 | openbsd | d5b024f63250 | 3cda49cf | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-multicore | panic: mtx ADDR: locking against myself | |||
| 2025/07/25 18:00 | openbsd | c5645c128364 | 3cda49cf | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-multicore | panic: mtx ADDR: locking against myself | |||
| 2025/07/25 01:59 | openbsd | 24bd93804efe | 3cda49cf | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-setuid | panic: mtx ADDR: locking against myself | |||
| 2025/07/23 02:14 | openbsd | 7a953c5f736e | 3cda49cf | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-setuid | panic: mtx ADDR: locking against myself | |||
| 2025/07/22 21:20 | openbsd | 61a25b0294d8 | 3cda49cf | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-setuid | panic: mtx ADDR: locking against myself | |||
| 2025/07/21 15:59 | openbsd | df9e633562d5 | 3cda49cf | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-setuid | panic: mtx ADDR: locking against myself | |||
| 2025/07/19 19:48 | openbsd | 0e7ce4eb8da0 | 3cda49cf | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-setuid | panic: mtx ADDR: locking against myself | |||
| 2025/07/18 05:45 | openbsd | aa829d585f3f | 3cda49cf | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-multicore | panic: mtx ADDR: locking against myself | |||
| 2025/07/15 19:37 | openbsd | feb5a82c5bff | 3cda49cf | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-setuid | panic: mtx ADDR: locking against myself | |||
| 2025/07/15 02:45 | openbsd | 427cdd1fb5e1 | 3cda49cf | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-setuid | panic: mtx ADDR: locking against myself | |||
| 2025/07/13 23:58 | openbsd | 79bd20f69ae4 | 3cda49cf | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-setuid | panic: mtx ADDR: locking against myself | |||
| 2025/07/12 11:50 | openbsd | b3bc833acc6a | 3cda49cf | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-setuid | panic: mtx ADDR: locking against myself | |||
| 2025/07/11 05:51 | openbsd | 0b4ddc31a5ae | 3cda49cf | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-setuid | panic: mtx ADDR: locking against myself | |||
| 2025/07/09 21:38 | openbsd | e91e1a12e0dd | 956bd956 | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-setuid | panic: mtx ADDR: locking against myself | |||
| 2025/07/09 10:51 | openbsd | bc55f572b2c5 | f4e5e155 | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-setuid | panic: mtx ADDR: locking against myself | |||
| 2025/07/09 08:19 | openbsd | bc55f572b2c5 | f4e5e155 | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-setuid | panic: mtx ADDR: locking against myself | |||
| 2025/07/08 11:13 | openbsd | 148caabbe916 | 4f67c4ae | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-multicore | panic: mtx ADDR: locking against myself | |||
| 2025/07/08 08:27 | openbsd | 148caabbe916 | 4f67c4ae | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-setuid | panic: mtx ADDR: locking against myself | |||
| 2025/07/07 16:50 | openbsd | 37d47b610366 | 4f67c4ae | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-multicore | panic: mtx ADDR: locking against myself | |||
| 2025/07/07 13:09 | openbsd | 37d47b610366 | 4f67c4ae | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-multicore | panic: mtx ADDR: locking against myself | |||
| 2025/07/07 10:17 | openbsd | 37d47b610366 | 4f67c4ae | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-multicore | panic: mtx ADDR: locking against myself | |||
| 2025/07/07 08:29 | openbsd | 37d47b610366 | 4f67c4ae | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-multicore | panic: mtx ADDR: locking against myself | |||
| 2025/07/07 02:27 | openbsd | 1a059e88663d | 4f67c4ae | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-multicore | panic: mtx ADDR: locking against myself | |||
| 2025/07/06 23:26 | openbsd | 1a059e88663d | 4f67c4ae | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-multicore | panic: mtx ADDR: locking against myself | |||
| 2025/07/06 18:42 | openbsd | 78908cc80aaa | 4f67c4ae | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-setuid | panic: mtx ADDR: locking against myself | |||
| 2025/03/11 07:35 | openbsd | 4b6c60d68713 | 16256247 | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-setuid | panic: mtx ADDR: locking against myself |