syzbot


panic: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock (2)

Status: fixed on 2021/09/01 16:54
Reported-by: syzbot+c8905496cd61610f77e2@syzkaller.appspotmail.com
Fix commit: 1be9dae600aa Prevent lock ordering issue by raising ipl level of vcpu_pool to IPL_MPFLOOR.
First crash: 1177d, last: 456d
duplicates (1):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
panic: acquiring blockable sleep lock with spinlock or critical section held (rwlock) vmmaplk 3 927d 948d 0/3 closed as dup on 2020/04/28 07:03
similar bugs (5):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd panic: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock (5) C 104 254d never 3/3 fixed on 2022/03/22 22:28
openbsd panic: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock (3) C 2 452d 455d 3/3 fixed on 2021/09/07 20:47
openbsd panic: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock (4) C 249 254d 255d 3/3 fixed on 2022/03/22 10:24
openbsd panic: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock 33 1192d 1196d 3/3 fixed on 2019/08/27 19:45
openbsd panic: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock (6) C 80 253d 253d 3/3 fixed on 2022/03/24 08:53

Sample crash report:
login: panic: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock
Stopped at      db_enter+0x18:  addq    $0x8,%rsp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*501048  82757      0           0          0    0  syz-executor1943
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff82464b8f) at panic+0x177 sys/kern/subr_prf.c:202
witness_checkorder(ffffffff82838c20,9,0) at witness_checkorder+0x11eb sys/kern/subr_witness.c:833
__mp_lock(ffffffff82838a18) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline]
__mp_lock(ffffffff82838a18) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline]
__mp_lock(ffffffff82838a18) at __mp_lock+0xa1 sys/kern/kern_lock.c:142
intr_handler(ffff80002123ad80,ffff800000255d80) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532
Xintr_ioapic_edge20_untramp() at Xintr_ioapic_edge20_untramp+0x18f
Xspllower() at Xspllower+0x19
mtx_enter_try(ffffffff829b8d10) at mtx_enter_try+0x100
mtx_enter(ffffffff829b8d10) at mtx_enter+0x4b sys/kern/kern_lock.c:266
pool_get(ffffffff829b8d10,9) at pool_get+0xbf sys/kern/subr_pool.c:581
vm_create(ffff800000b29000,ffff8000211922a8) at vm_create+0x261 sys/arch/amd64/amd64/vmm.c:1526
vmmioctl(a00,c5005601,ffff800000b29000,1,ffff8000211922a8) at vmmioctl+0x1f2
VOP_IOCTL(fffffd806e213830,c5005601,ffff800000b29000,1,fffffd807f7d8840,ffff8000211922a8) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:295
vn_ioctl(fffffd806e4aca28,c5005601,ffff800000b29000,ffff8000211922a8) at vn_ioctl+0xba sys/kern/vfs_vnops.c:531
end trace frame: 0xffff80002123b380, count: 0
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: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff82464b8f) at panic+0x177 sys/kern/subr_prf.c:202
witness_checkorder(ffffffff82838c20,9,0) at witness_checkorder+0x11eb sys/kern/subr_witness.c:833
__mp_lock(ffffffff82838a18) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline]
__mp_lock(ffffffff82838a18) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline]
__mp_lock(ffffffff82838a18) at __mp_lock+0xa1 sys/kern/kern_lock.c:142
intr_handler(ffff80002123ad80,ffff800000255d80) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532
Xintr_ioapic_edge20_untramp() at Xintr_ioapic_edge20_untramp+0x18f
Xspllower() at Xspllower+0x19
mtx_enter_try(ffffffff829b8d10) at mtx_enter_try+0x100
mtx_enter(ffffffff829b8d10) at mtx_enter+0x4b sys/kern/kern_lock.c:266
pool_get(ffffffff829b8d10,9) at pool_get+0xbf sys/kern/subr_pool.c:581
vm_create(ffff800000b29000,ffff8000211922a8) at vm_create+0x261 sys/arch/amd64/amd64/vmm.c:1526
vmmioctl(a00,c5005601,ffff800000b29000,1,ffff8000211922a8) at vmmioctl+0x1f2
VOP_IOCTL(fffffd806e213830,c5005601,ffff800000b29000,1,fffffd807f7d8840,ffff8000211922a8) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:295
vn_ioctl(fffffd806e4aca28,c5005601,ffff800000b29000,ffff8000211922a8) at vn_ioctl+0xba sys/kern/vfs_vnops.c:531
sys_ioctl(ffff8000211922a8,ffff80002123b398,ffff80002123b3e0) at sys_ioctl+0x4a2
syscall(ffff80002123b460) at syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff80002123b460) at syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffff2370, count: -17
ddb{0}> show registers
rdi                                0
rsi                              0x1
rbp               0xffff80002123ab70
rbx               0xffffffff8280abff    cpu_info_full_primary+0x2bff
rdx                             0x8b
rcx                              0x2
rax                             0x68
r8                0xffffffff81a0be34    kprintf+0x144
r9                               0x1
r10               0xa59aaaf8bd8325af
r11               0x34f19efd222e11b2
r12               0xffffffff8280aa00    cpu_info_full_primary+0x2a00
r13                                0
r14                                0
r15                              0x1
rip               0xffffffff81e3e908    db_enter+0x18
cs                               0x8
rflags                         0x246
rsp               0xffff80002123ab60
ss                              0x10
db_enter+0x18:  addq    $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor1943) pid=501048 stat=onproc
    flags process=0 proc=0
    pri=50, usrpri=50, nice=20
    forw=0xffffffffffffffff, list=0xffff8000ffff67f0,0xffffffff82913618
    process=0xffff80002120a190 user=0xffff800021236000, vmspace=0xfffffd806d447e60
    estcpu=36, cpticks=1, pctcpu=0.0
    user=0, sys=0, intr=1
ddb{0}> ps
   PID     TID   PPID    UID  S       FLAGS  WAIT          COMMAND
*82757  501048  53985      0  7           0                syz-executor1943
 30680  115859  67703      0  3        0x80  nanoslp       syz-executor1943
 53985  391055  67703      0  3        0x80  nanoslp       syz-executor1943
 67703  374285  93982      0  3        0x82  nanoslp       syz-executor1943
 93982   14454  77391      0  3    0x10008a  sigsusp       ksh
 77391  318935  42469      0  3        0x9a  select        sshd
 99726  304687      1      0  3    0x100083  ttyin         getty
 42469  361517      1      0  3        0x88  select        sshd
 24816  278467  84592     74  3    0x100092  bpf           pflogd
 84592  444822      1      0  3        0x80  netio         pflogd
  5805   40948  78667     73  3    0x100090  kqread        syslogd
 78667  501351      1      0  3    0x100082  netio         syslogd
 89323  522629      1      0  3    0x100080  kqread        resolvd
 18952  354680  72489     77  3    0x100092  kqread        dhcpleased
 86706  111807  72489     77  3    0x100092  kqread        dhcpleased
 72489  371956      1      0  3        0x80  kqread        dhcpleased
 69676  167235      0      0  3     0x14200  bored         smr
 71596   74860      0      0  3     0x14200  pgzero        zerothread
 14994  229278      0      0  3     0x14200  aiodoned      aiodoned
 75730  241255      0      0  3     0x14200  syncer        update
 92449  341165      0      0  3     0x14200  cleaner       cleaner
 87661  393417      0      0  3     0x14200  reaper        reaper
 55274   57132      0      0  3     0x14200  pgdaemon      pagedaemon
 19669  491297      0      0  3     0x14200  bored         crynlk
 68016  350999      0      0  3     0x14200  bored         crypto
 58646  288913      0      0  3     0x14200  bored         viomb
 76454  376116      0      0  3  0x40014200  acpi0         acpi0
 83532  225964      0      0  7  0x40014200                idle1
 77325  418219      0      0  3     0x14200  bored         softnet
 89444  244436      0      0  3     0x14200  bored         systqmp
 77467   37670      0      0  3     0x14200  bored         systq
 41342  371787      0      0  3  0x40014200  bored         softclock
 67285  325111      0      0  3  0x40014200                idle0
     1   94723      0      0  3        0x82  wait          init
     0       0     -1      0  3     0x10200  scheduler     swapper
ddb{0}> show all locks
CPU 0:
exclusive mutex vcpupl r = 0 (0xffffffff829b8d20)
#0  witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0  witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1  mtx_enter_try+0x100
#2  mtx_enter+0x4b sys/kern/kern_lock.c:266
#3  pool_get+0xbf sys/kern/subr_pool.c:581
#4  vm_create+0x261 sys/arch/amd64/amd64/vmm.c:1526
#5  vmmioctl+0x1f2
#6  VOP_IOCTL+0x9a sys/kern/vfs_vops.c:295
#7  vn_ioctl+0xba sys/kern/vfs_vnops.c:531
#8  sys_ioctl+0x4a2
#9  syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#9  syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587
#10 Xsyscall+0x128
Process 82757 (syz-executor1943) thread 0xffff8000211922a8 (501048)
exclusive rwlock vmlistlock r = 0 (0xffff800000655c78)
#0  witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0  witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1  vm_create+0x12e vm_impl_init sys/arch/amd64/amd64/vmm.c:1688 [inline]
#1  vm_create+0x12e sys/arch/amd64/amd64/vmm.c:1510
#2  vmmioctl+0x1f2
#3  VOP_IOCTL+0x9a sys/kern/vfs_vops.c:295
#4  vn_ioctl+0xba sys/kern/vfs_vnops.c:531
#5  sys_ioctl+0x4a2
#6  syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#6  syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587
#7  Xsyscall+0x128
exclusive mutex vcpupl r = 0 (0xffffffff829b8d20)
#0  witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0  witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1  mtx_enter_try+0x100
#2  mtx_enter+0x4b sys/kern/kern_lock.c:266
#3  pool_get+0xbf sys/kern/subr_pool.c:581
#4  vm_create+0x261 sys/arch/amd64/amd64/vmm.c:1526
#5  vmmioctl+0x1f2
#6  VOP_IOCTL+0x9a sys/kern/vfs_vops.c:295
#7  vn_ioctl+0xba sys/kern/vfs_vnops.c:531
#8  sys_ioctl+0x4a2
#9  syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#9  syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587
#10 Xsyscall+0x128
ddb{0}> show malloc
           Type InUse  MemUse  HighUse   Limit  Requests Type Lim
         devbuf 10111   6416K    6417K  78643K     11201        0
            pcb    13      8K       8K  78643K        13        0
         rtable    62      2K       2K  78643K       112        0
         ifaddr    29      8K       8K  78643K        30        0
       counters    40     33K      33K  78643K        40        0
       ioctlops     1      2K       4K  78643K      1545        0
          mount     1      1K       1K  78643K         1        0
            log     0      0K       0K  78643K         6        0
         vnodes  1183     74K      75K  78643K      1188        0
      UFS quota     1     32K      32K  78643K         1        0
      UFS mount     5     36K      36K  78643K         5        0
            shm     2      1K       1K  78643K         2        0
         VM map     2      1K       1K  78643K         2        0
            sem     2      0K       0K  78643K         2        0
        dirhash    12      2K       2K  78643K        12        0
           ACPI  1697    195K     286K  78643K     12598        0
      file desc     1      0K       0K  78643K         1        0
           proc    67     87K      87K  78643K       278        0
    NFS srvsock     1      0K       0K  78643K         1        0
     NFS daemon     1     16K      16K  78643K         1        0
       in_multi    11      0K       0K  78643K        11        0
    ether_multi     1      0K       0K  78643K         1        0
    ISOFS mount     1     32K      32K  78643K         1        0
  MSDOSFS mount     1     16K      16K  78643K         1        0
           ttys    19     95K      95K  78643K        19        0
           exec     0      0K       2K  78643K       348        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   293   1096K    1096K  78643K      2017        0
       UVM aobj     3      2K       2K  78643K         3        0
        memdesc     1      4K       4K  78643K         1        0
    crypto data     1      1K       1K  78643K         1        0
            NDP     4      0K       0K  78643K         4        0
           temp    23   4193K    4257K  78643K      2092        0
         kqueue     9     12K      12K  78643K         9        0
      SYN cache     2     16K      16K  78643K         2        0
ddb{0}> show all pools
Name      Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache    128       22    0        0     1     0     1     1     0     8    0
rtpcb      120       17    0       14     1     0     1     1     0     8    0
rtentry    112       23    0        1     1     0     1     1     0     8    0
unpcb      120       35    0       20     1     0     1     1     0     8    0
syncache   296        5    0        5     2     1     1     1     0     8    1
tcpcb      736        8    0        5     1     0     1     1     0     8    0
arp        120        2    0        0     1     0     1     1     0     8    0
inpcb      304       32    0       26     1     0     1     1     0     8    0
pfosfp      40     1428    0     1005     5     0     5     5     0     8    0
pfosfpen   112     1428    0      714    21     0    21    21     0     8    0
pfstitem    24        9    0        7     2     1     1     1     0     8    0
pfstkey    112        9    0        7     2     1     1     1     0     8    0
pfstate    320        9    0        7     2     1     1     1     0     8    0
pfrule     1360      21    0       16     2     1     1     2     0     8    0
art_heap8  4096       1    0        0     1     0     1     1     0     8    0
art_heap4  256       97    0        0     7     0     7     7     0     8    0
art_table   32       98    0        0     1     0     1     1     0     8    0
art_node    16       22    0        2     1     0     1     1     0     8    0
dirhash    1024      17    0        0     3     0     3     3     0     8    0
dino2pl    256     1481    0       87    88     0    88    88     0     8    0
ffsino     272     1481    0       87    93     0    93    93     0     8    0
nchpl      144     1722    0      170    58     0    58    58     0     8    0
uvmvnodes   72     1491    0        0    28     0    28    28     0     8    0
vnodes     224     1491    0        0    88     0    88    88     0     8    0
namei      1024    4478    0     4478     2     1     1     1     0     8    1
percpumem   16       32    0        0     1     0     1     1     0     8    0
vcpupl     2048      65    0        0     9     0     9     9     0     8    0
vmpool     560       66    0        0     5     0     5     5     0     8    0
scxspl     216     4103    0     4103    22    21     1     8     0     8    1
plimitpl   152       18    0        9     1     0     1     1     0     8    0
sigapl     424      323    0      289     4     0     4     4     0     8    0
knotepl    112       23    0        0     1     0     1     1     0     8    0
kqueuepl   216        5    0        0     1     0     1     1     0     8    0
pipepl     336       69    0       66     2     1     1     1     0     8    0
fdescpl    496      307    0      289     3     0     3     3     0     8    0
filepl     152     1214    0     1155     3     0     3     3     0     8    0
lockfpl    104        6    0        4     1     0     1     1     0     8    0
lockfspl    48        4    0        2     1     0     1     1     0     8    0
sessionpl  144       20    0        9     1     0     1     1     0     8    0
pgrppl      48       20    0        9     1     0     1     1     0     8    0
ucredpl     96       69    0       57     1     0     1     1     0     8    0
zombiepl   144      289    0      288     2     1     1     1     0     8    0
processpl  1072     323    0      288     3     0     3     3     0     8    0
procpl     672      323    0      288     3     0     3     3     0     8    0
sockpl     480       84    0       60     5     1     4     4     0     8    0
mcl8k      8192       4    0        0     1     0     1     1     0     8    0
mcl4k      4096       5    0        0     1     0     1     1     0     8    0
mcl2k      2048      82    0        0    10     0    10    10     0     8    0
mtagpl      96        2    0        0     1     0     1     1     0     8    0
mbufpl     256      143    0        0     8     0     8     8     0     8    0
bufpl      280     2083    0       93   143     0   143   143     0     8    0
anonpl      24    33442    0    30916    19     3    16    17     0   186    0
amapchunkpl 152    3135    0     2973     9     2     7     8     0   158    0
amappl16   200      163    0       92     4     0     4     4     0     8    0
amappl13   176       18    0       17     2     1     1     1     0     8    0
amappl12   168       12    0       12     2     1     1     1     0     8    1
amappl11   160       42    0       28     1     0     1     1     0     8    0
amappl10   152       23    0       19     1     0     1     1     0     8    0
amappl9    144      224    0      222     1     0     1     1     0     8    0
amappl8    136      274    0      274     2     1     1     1     0     8    1
amappl7    128       52    0       45     1     0     1     1     0     8    0
amappl6    120       88    0       83     1     0     1     1     0     8    0
amappl5    112      176    0      157     1     0     1     1     0     8    0
amappl4    104      528    0      509     1     0     1     1     0     8    0
amappl3     96      112    0      109     1     0     1     1     0     8    0
amappl2     88      400    0      355     3     1     2     2     0     8    0
amappl1     80     7911    0     7522    11     2     9     9     0     8    0
amappl      88     1634    0     1493     4     0     4     4     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      64        2    0        0     1     0     1     1     0     8    0
uaddrrnd    24      373    0      289     1     0     1     1     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24      373    0      289     1     0     1     1     0     8    0
vmmpekpl   168     6172    0     6155     1     0     1     1     0     8    0
vmmpepl    168    24865    0    23800    51     4    47    47     0   357    0
vmsppl     368      372    0      289     8     0     8     8     0     8    0
rwobjpl     56     7132    0     6440    12     2    10    10     0     8    0
pdppl      4096     754    0      644   129    18   111   111     0     8    1
pvpl        32   115045    0   110502    44     6    38    38     0   265    1
pmappl     224      372    0      289     5     0     5     5     0     8    0
extentpl    40       58    0       40     1     0     1     1     0     8    0
phpool     112      368    0       23    10     0    10    10     0     8    0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff82464b8f) at panic+0x177 sys/kern/subr_prf.c:202
witness_checkorder(ffffffff82838c20,9,0) at witness_checkorder+0x11eb sys/kern/subr_witness.c:833
__mp_lock(ffffffff82838a18) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline]
__mp_lock(ffffffff82838a18) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline]
__mp_lock(ffffffff82838a18) at __mp_lock+0xa1 sys/kern/kern_lock.c:142
intr_handler(ffff80002123ad80,ffff800000255d80) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532
Xintr_ioapic_edge20_untramp() at Xintr_ioapic_edge20_untramp+0x18f
Xspllower() at Xspllower+0x19
mtx_enter_try(ffffffff829b8d10) at mtx_enter_try+0x100
mtx_enter(ffffffff829b8d10) at mtx_enter+0x4b sys/kern/kern_lock.c:266
pool_get(ffffffff829b8d10,9) at pool_get+0xbf sys/kern/subr_pool.c:581
vm_create(ffff800000b29000,ffff8000211922a8) at vm_create+0x261 sys/arch/amd64/amd64/vmm.c:1526
vmmioctl(a00,c5005601,ffff800000b29000,1,ffff8000211922a8) at vmmioctl+0x1f2
VOP_IOCTL(fffffd806e213830,c5005601,ffff800000b29000,1,fffffd807f7d8840,ffff8000211922a8) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:295
vn_ioctl(fffffd806e4aca28,c5005601,ffff800000b29000,ffff8000211922a8) at vn_ioctl+0xba sys/kern/vfs_vnops.c:531
sys_ioctl(ffff8000211922a8,ffff80002123b398,ffff80002123b3e0) at sys_ioctl+0x4a2
syscall(ffff80002123b460) at syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff80002123b460) at syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffff2370, count: -17
ddb{0}> machine ddbcpu 1
Stopped at      x86_ipi_db+0x1a:        addq    $0x8,%rsp
x86_ipi_db(ffff800020d38ff0) 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
acpicpu_idle() at acpicpu_idle+0x2eb sys/dev/acpi/acpicpu.c:1206
sched_idle(ffff800020d38ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178
end trace frame: 0x0, count: 10
ddb{1}> trace
x86_ipi_db(ffff800020d38ff0) 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
acpicpu_idle() at acpicpu_idle+0x2eb sys/dev/acpi/acpicpu.c:1206
sched_idle(ffff800020d38ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178
end trace frame: 0x0, count: -5

Crashes (152):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-openbsd-multicore 2021/09/01 06:34 openbsd 444296aeff58 7eb7e152 .config log report syz C panic: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock
ci-openbsd-multicore 2021/09/01 05:40 openbsd 444296aeff58 7eb7e152 .config log report syz C panic: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock
ci-openbsd-multicore 2021/09/01 05:32 openbsd 444296aeff58 7eb7e152 .config log report syz C panic: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock
ci-openbsd-multicore 2021/09/01 05:30 openbsd 444296aeff58 7eb7e152 .config log report syz C panic: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock
ci-openbsd-multicore 2021/09/01 05:20 openbsd 444296aeff58 7eb7e152 .config log report syz C panic: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock
ci-openbsd-multicore 2021/09/01 05:02 openbsd 444296aeff58 7eb7e152 .config log report syz C panic: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock
ci-openbsd-multicore 2021/09/01 04:21 openbsd 444296aeff58 7eb7e152 .config log report syz C panic: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock
ci-openbsd-multicore 2021/09/01 04:11 openbsd 444296aeff58 7eb7e152 .config log report syz C panic: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock
ci-openbsd-multicore 2019/09/11 16:19 openbsd 067ee7eb2bf9 a60cb4cd .config log report syz
ci-openbsd-multicore 2020/08/03 21:24 openbsd 02ddb7a22afb 63a73341 .config log report
ci-openbsd-multicore 2020/08/03 14:01 openbsd 02ddb7a22afb 63a73341 .config log report
ci-openbsd-multicore 2020/08/02 16:03 openbsd 41d03808d33a 63a73341 .config log report
ci-openbsd-multicore 2020/08/01 09:20 openbsd 18f4917e2c82 d895b3be .config log report
ci-openbsd-multicore 2020/07/23 06:44 openbsd fad015d206fd 340ea530 .config log report
ci-openbsd-multicore 2020/07/23 02:17 openbsd fad015d206fd 340ea530 .config log report
ci-openbsd-multicore 2020/07/21 22:28 openbsd 38194102e48c 328906f3 .config log report
ci-openbsd-multicore 2020/07/21 12:37 openbsd 38194102e48c 328906f3 .config log report
ci-openbsd-multicore 2020/07/16 01:28 openbsd f8fbf366cc5a ada108d0 .config log report
ci-openbsd-multicore 2020/07/14 17:18 openbsd 07af7ebb9803 6f458026 .config log report
ci-openbsd-multicore 2020/07/08 08:54 openbsd 25aa477ea5c5 789dd086 .config log report
ci-openbsd-multicore 2020/07/05 09:18 openbsd f724afe49a5c bed10395 .config log report
ci-openbsd-multicore 2020/07/04 21:57 openbsd 474af46fb119 bed10395 .config log report
ci-openbsd-multicore 2020/07/01 04:25 openbsd 0d0fa0edba19 c0383ebe .config log report
ci-openbsd-multicore 2020/06/29 13:19 openbsd c3a4abad4b7f 0375051c .config log report
ci-openbsd-multicore 2020/06/28 14:14 openbsd 634337a5c27d a2cdad9d .config log report
ci-openbsd-multicore 2020/06/26 21:27 openbsd d8c65c0d1302 b202c7a8 .config log report
ci-openbsd-multicore 2020/06/26 05:18 openbsd 579159636626 aea82c00 .config log report
ci-openbsd-multicore 2020/06/26 03:42 openbsd 579159636626 aea82c00 .config log report
ci-openbsd-multicore 2020/06/26 02:19 openbsd 579159636626 aea82c00 .config log report
ci-openbsd-multicore 2020/06/25 02:17 openbsd 3209772dfcc3 9d60b18e .config log report
ci-openbsd-multicore 2020/06/23 20:34 openbsd 8569c6f62927 54566aff .config log report
ci-openbsd-multicore 2020/06/23 10:07 openbsd 4d943fd61ab7 1afe1535 .config log report
ci-openbsd-multicore 2020/06/23 06:19 openbsd 4d943fd61ab7 1afe1535 .config log report
ci-openbsd-multicore 2020/06/23 04:18 openbsd 4d943fd61ab7 1afe1535 .config log report
ci-openbsd-multicore 2020/06/22 12:56 openbsd 54392b432564 c4464494 .config log report
ci-openbsd-multicore 2020/06/22 09:34 openbsd 54392b432564 eabcced4 .config log report
ci-openbsd-multicore 2020/06/22 06:55 openbsd 54392b432564 eabcced4 .config log report
ci-openbsd-multicore 2020/06/22 00:13 openbsd f5cd887ee666 eabcced4 .config log report
ci-openbsd-multicore 2020/06/21 08:50 openbsd 9a712520a662 c655ec77 .config log report
ci-openbsd-multicore 2020/06/21 02:12 openbsd 9a712520a662 c655ec77 .config log report
ci-openbsd-multicore 2020/06/20 00:45 openbsd daeab07f9d7e c655ec77 .config log report
ci-openbsd-multicore 2020/06/18 17:42 openbsd e8105163f17b 3ea11d3f .config log report
ci-openbsd-multicore 2020/06/17 21:12 openbsd d3ae5f180d22 b6c46f43 .config log report
ci-openbsd-multicore 2020/06/17 19:16 openbsd d3ae5f180d22 b6c46f43 .config log report
ci-openbsd-multicore 2020/06/16 18:50 openbsd 94c0d63c076e 4ea9d964 .config log report
ci-openbsd-multicore 2020/06/14 02:29 openbsd 2ed200e57779 dbce178a .config log report
ci-openbsd-multicore 2020/06/13 13:37 openbsd fe9bb68285b7 f4724dd3 .config log report
ci-openbsd-multicore 2020/06/13 11:36 openbsd fe9bb68285b7 f4724dd3 .config log report
ci-openbsd-multicore 2020/06/12 06:15 openbsd b981186b7111 819b58b0 .config log report
ci-openbsd-multicore 2020/06/12 01:50 openbsd 39a863a0a5ba 5c25fdab .config log report
* Struck through repros no longer work on HEAD.