syzbot


witness: reversal: &sched_lock &cq->cq_mtx

Status: upstream: reported on 2025/05/15 15:16
Reported-by: syzbot+9ec54ee1623e4ac93f78@syzkaller.appspotmail.com
First crash: 291d, last: 32d

Sample crash report:
witness: lock order reversal:
 1st 0xffffffff839c4440 &sched_lock (&sched_lock)
 2nd 0xffff8000299dee30 &cq->cq_mtx (&cq->cq_mtx)
lock order [1] &sched_lock (&sched_lock) -> [2] &cq->cq_mtx (&cq->cq_mtx)
#0  mtx_enter+0x95 sys/kern/kern_lock.c:406
#1  clockintr_cancel+0x2f sys/kern/kern_clockintr.c:323
#2  mi_switch+0x187 sys/kern/sched_bsd.c:376
#3  ast+0x15a mi_ast sys/sys/syscall_mi.h:252 [inline]
#3  ast+0x15a sys/arch/amd64/amd64/trap.c:739
#4  intr_user_exit+0x3c
lock order [2] &cq->cq_mtx (&cq->cq_mtx) -> [1] &sched_lock (&sched_lock)
#0  mtx_enter+0x95 sys/kern/kern_lock.c:406
#1  sleep_setup+0xed sys/kern/kern_synch.c:304
#2  msleep_nsec+0x10b sys/kern/kern_synch.c:217
#3  dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589
#4  dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
#4  dtclose+0x109 sys/dev/dt/dt_dev.c:239
#5  spec_close+0x466 sys/kern/spec_vnops.c:-1
#6  VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156
#7  vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline]
#7  vn_closefile+0x12b sys/kern/vfs_vnops.c:615
#8  fdrop+0x121 sys/kern/kern_descrip.c:1280
#9  closef+0x192 sys/kern/kern_descrip.c:1264
#10 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#10 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775
#11 Xsyscall+0x128
Stopped at      db_enter+0x25:  addq    $0x8,%rsp
ddb{1}> 
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
the kernel did not panic
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
witness_checkorder(ffff8000299dee30,9,0) at witness_checkorder+0x10d1 sys/kern/subr_witness.c:-1
mtx_enter(ffff8000299dee20) at mtx_enter+0x95 sys/kern/kern_lock.c:406
clockintr_cancel(ffff8000299de2f8) at clockintr_cancel+0x2f sys/kern/kern_clockintr.c:323
mi_switch() at mi_switch+0x187 sys/kern/sched_bsd.c:376
ast(ffff80003c41f540) at ast+0x15a mi_ast sys/sys/syscall_mi.h:252 [inline]
ast(ffff80003c41f540) at ast+0x15a sys/arch/amd64/amd64/trap.c:739
intr_user_exit() at intr_user_exit+0x3c
end of kernel
end trace frame: 0x78ea0fe55b50, count: -7
ddb{1}> show registers
rdi                                0
rsi                                0
rbp               0xffff80003c41f340
rbx                                0
rdx                                0
rcx               0xffff80003c400fb8
rax               0xffff8000299ddff0
r8                0xffff80003c41f220
r9                0x8080808080808080
r10                0x154809d71db2a30
r11               0x26a396e4b6c96989
r12               0xfffffd8003f54300
r13               0xfffffd8004744d58
r14                              0x3
r15               0xffffffff8341be15    substchar+0x52f5
rip               0xffffffff814c93d5    db_enter+0x25
cs                               0x8
rflags                         0x246
rsp               0xffff80003c41f330
ss                                 0
db_enter+0x25:  addq    $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor) tid=38742 pid=62541 tcnt=2 stat=run
    flags process=4000000<ITIMER> proc=0
    runpri=50, usrpri=50, slppri=16, nice=20
    wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
    forw=0x0, list=0xffff80003c401cb0,0xffff80003c400038
    process=0xffff8000fffece88 user=0xffff80003c41a000, vmspace=0xfffffd800f7e9020
    estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0
ddb{1}> ps
   PID     TID   PPID    UID  S       FLAGS  WAIT          COMMAND
*62541   38742  69154      0  2   0x4000000                syz-executor
 62541   93217  69154      0  2   0x4000000                syz-executor
 80550  134181   9697      0  2           0                syz-executor
 80550  467973   9697      0  3   0x4000080  fsleep        syz-executor
  2731  450202  50768      0  2           0                syz-executor
 22900  173589  45105      0  2           0                syz-executor
 22900  307962  45105      0  2   0x4000000                syz-executor
 63036  473707  24780      0  2           0                syz-executor
 63036  219327  24780      0  3   0x4000080  kqpoll        syz-executor
 63036   55908  24780      0  2   0x4000000                syz-executor
 63036  194534  24780      0  3   0x4000080  fsleep        syz-executor
 37298  458766  76659      0  3        0x80  nanoslp       syz-executor
 37298   69426  76659      0  3   0x4000080  fsleep        syz-executor
 37298  426373  76659      0  3   0x4000080  kqread        syz-executor
 37298  483562  76659      0  3   0x4000080  fsleep        syz-executor
 45105  235011  80617      0  3        0x82  nanoslp       syz-executor
 57086  319623  80617      0  3        0x82  piperd        syz-executor
 99943  347083  80617      0  3        0x82  nanoslp       syz-executor
 24780  478058  80617      0  3        0x82  nanoslp       syz-executor
 76659  190410  80617      0  3        0x82  nanoslp       syz-executor
 69154  226192  80617      0  3        0x82  nanoslp       syz-executor
  9697   77143  80617      0  3        0x82  nanoslp       syz-executor
 50768  454753  80617      0  3        0x82  nanoslp       syz-executor
 80617  194125  94339      0  2         0x2                syz-executor
 94339   46454   8749      0  3    0x10008a  sigsusp       ksh
  8749  447920  50452      0  3        0x98  kqread        sshd-session
 50452  504390  16356      0  3        0x92  kqread        sshd-session
 70185  351813      1      0  3    0x100083  ttyin         getty
 16356  261548      1      0  3        0x88  kqread        sshd
   920    6359  33379     74  3   0x1100092  bpf           pflogd
 33379  517626      1      0  3        0x80  sbwait        pflogd
 82517  483481  26581     73  3   0x1100090  kqread        syslogd
 26581  358606      1      0  3    0x100082  sbwait        syslogd
   495  244452      1      0  3    0x100080  kqread        resolvd
 33689  143493  46945     77  3    0x100092  kqread        dhcpleased
 78149  155215  46945     77  3    0x100092  kqread        dhcpleased
 46945  484222      1      0  3        0x80  kqread        dhcpleased
 25603  313171      0      0  3     0x14200  bored         smr
 32866  436073      0      0  2     0x14200                zerothread
 45479  353379      0      0  3     0x14200  aiodoned      aiodoned
 57171  447812      0      0  3     0x14200  syncer        update
  9905  191418      0      0  3     0x14200  cleaner       cleaner
 33841  277466      0      0  3     0x14200  reaper        reaper
 13023   97333      0      0  3     0x14200  pgdaemon      pagedaemon
  7941  124929      0      0  3     0x14200  bored         viomb
 30109  520669      0      0  3  0x40014200  acpi0         acpi0
 81581  395066      0      0  3  0x40014200                idle1
 91595  399934      0      0  3     0x14200  bored         softnet1
 23888  368207      0      0  3     0x14200  bored         softnet0
 30647  492126      0      0  3     0x14200  bored         systqmp
 84644  363129      0      0  3     0x14200  bored         systq
 20163  176626      0      0  3     0x14200  tmoslp        softclockmp
 19185  359036      0      0  3  0x40014200  tmoslp        softclock
  5474  515203      0      0  3  0x40014200                idle0
     1  299072      0      0  3        0x82  wait          init
     0       0     -1      0  3     0x10200  scheduler     swapper
ddb{1}> show all locks
CPU 0:
exclusive mutex &uvm.fpageqlock r = 0 (0xffffffff838eeea8)
#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+0x4b4 sys/kern/kern_lock.c:487
#2  uvm_pmr_freepages+0x1a8 sys/uvm/uvm_pmemrange.c:-1
#3  pmap_do_remove+0x8af sys/arch/amd64/amd64/pmap.c:1939
#4  uvm_unmap_kill_entry_withlock+0x269 sys/uvm/uvm_map.c:1863
#5  uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline]
#5  uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2491
#6  exit1+0x6fc sys/kern/kern_exit.c:260
#7  sys_exit+0x1a sys/kern/kern_exit.c:-1
#8  syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8  syscall+0xb17 sys/arch/amd64/amd64/trap.c:775
#9  Xsyscall+0x128
CPU 1:
exclusive mutex &sched_lock r = 0 (0xffffffff839c4440)
#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+0x4b4 sys/kern/kern_lock.c:487
#2  preempt+0x35 sys/kern/sched_bsd.c:338
#3  ast+0x15a mi_ast sys/sys/syscall_mi.h:252 [inline]
#3  ast+0x15a sys/arch/amd64/amd64/trap.c:739
#4  intr_user_exit+0x3c
Process 22900 (syz-executor) thread 0xffff80002a261ca0 (307962)
exclusive rrwlock inode r = 0 (0xfffffd806c761458)
#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+0xbd sys/kern/vfs_vops.c:527
#4  vn_lock+0xa4 sys/kern/vfs_vnops.c:570
#5  vn_write+0x18f sys/kern/vfs_vnops.c:405
#6  dofilewritev+0x242 sys/kern/sys_generic.c:380
#7  sys_write+0xa2 sys/kern/sys_generic.c:300
#8  syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8  syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775
#9  Xsyscall+0x128
ddb{1}> show malloc
           Type InUse  MemUse  HighUse   Limit  Requests Type Lim
         devbuf 11058  12090K   12462K 166960K     12538        0
            pcb    17     13K      14K 166960K       115        0
         rtable   235      8K       8K 166960K       402        0
             pf    35     17K      22K 166960K        73        0
         ifaddr    40      7K       7K 166960K        58        0
        ifgroup    54      2K       2K 166960K        83        0
         sysctl     1      1K       9K 166960K         5        0
       counters    68     36K      38K 166960K        98        0
       ioctlops     0      0K       4K 166960K      1509        0
            iov     0      0K      16K 166960K        80        0
          mount     1      1K       1K 166960K         1        0
            log     0      0K       0K 166960K         4        0
         vnodes  1398     88K      89K 166960K      1653        0
      UFS quota     1     32K      32K 166960K         1        0
      UFS mount     5     36K      36K 166960K         5        0
            shm     2      1K       5K 166960K         6        0
         VM map     2      1K       1K 166960K         2        0
            sem    12      0K       0K 166960K        20        0
        dirhash    12      2K       2K 166960K        21        0
           ACPI  1692    195K     286K 166960K     12470        0
      file desc    16     57K     228K 166960K       442        0
          sigio     0      0K       0K 166960K         8        0
           proc    73    115K     180K 166960K       565        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        32        0
       in_multi    92      6K       7K 166960K       115        0
    ether_multi     1      0K       0K 166960K         9        0
            mrt     0      0K       0K 166960K         6        0
    ISOFS mount     1     32K      32K 166960K         1        0
  MSDOSFS mount     1     16K      16K 166960K         1        0
           ttys    73    334K     334K 166960K        73        0
           exec     0      0K       1K 166960K       416        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   234    167K     182K 166960K      5851        0
       UVM aobj    11      4K       4K 166960K        12        0
     pinsyscall    41     82K     106K 166960K      1553        0
        memdesc     1      4K       4K 166960K         1        0
    crypto data     1      1K       1K 166960K         1        0
    ip6_options     0      0K       0K 166960K        29        0
            NDP    11      0K       2K 166960K        39        0
           temp    49   8677K    8742K 166960K     14692        0
         kqueue    14     22K      34K 166960K        97        0
      SYN cache     2     16K      16K 166960K         2        0
ddb{1}> 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       50    0       46     1     0     1     1     0     8    0
rtentry    176      120    0       16     6     0     6     6     0     8    0
unpcb      144      211    0      192     4     0     4     4     0     8    3
syncache   336        3    0        3     1     1     0     1     0     8    0
tcpcb      736       83    0       78     1     0     1     1     0     8    0
arp        136       18    0        2     1     0     1     1     0     8    0
inpcb      328      324    0      316     4     0     4     4     0     8    2
nd6        152       28    0        5     2     0     2     2     0     8    0
kcovpl      48        8    0        0     1     0     1     1     0     8    0
ppxss      1192      12    0       12     1     0     1     1     0     8    1
pffrag     232        2    0        1     1     0     1     1     0   482    0
pffrnode    88        2    0        1     1     0     1     1     0     8    0
pffrent     40        4    0        3     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
pfrktable  1344       1    0        1     1     0     1     1     0     8    1
pfanchor   1288       1    0        0     1     0     1     1     0     8    0
pftag       88        4    0        4     1     0     1     1     0     8    1
pfstkey    128        2    0        2     1     1     0     1     0     8    0
pfstate    448        1    0        1     1     1     0     1     0     8    0
pfrule     1360       4    0        3     1     0     1     1     0     8    0
rttmr      136        2    0        2     1     0     1     1     0     8    1
art_heap8  4096       2    0        0     2     0     2     2     0     8    0
art_heap4  256      479    0       61    30     0    30    30     0     8    0
art_table   40      481    0       61     5     0     5     5     0     8    0
art_node    32      120    0       25     1     0     1     1     0     8    0
sysvmsgpl   40        2    0        1     1     0     1     1     0     8    0
semupl     112        1    0        1     1     0     1     1     0     8    1
semapl     112       16    0        6     1     0     1     1     0     8    0
shmpl      112        8    0        1     1     0     1     1     0     8    0
dirhash    1024      23    0        6     3     0     3     3     0     8    0
dino2pl    256     2146    0      641    95     0    95    95     0     8    0
ffsino     296     2146    0      641   117     0   117   117     0     8    0
nchpl      144     2766    0     1066    64     0    64    64     0     8    0
rtmask      32        2    0        2     1     0     1     1     0     8    1
vnodes     216     2409    0        0   134     0   134   134     0     8    0
namei      1024    9235    0     9235     3     1     2     2     0     8    2
percpumem   16       64    0       15     1     0     1     1     0     8    0
vcpupl     3968       1    0        0     1     0     1     1     0     8    0
vmpool     848        1    0        0     1     0     1     1     0     8    0
kstatmem   264       46    0       22     3     0     3     3     0     8    1
scxspl     216    15753    0    15753     6     4     2     5     1     8    2
plimitpl   152      152    0      133     1     0     1     1     0     8    0
sigapl     424      737    0      690     7     1     6     7     0     8    0
knotepl    120      538    0        0    17     0    17    17     0     8    0
kqueuepl   224      195    0      184     5     0     5     5     0     8    4
pipepl     344      171    0      144     6     1     5     6     0     8    2
fdescpl    528      721    0      691     3     0     3     3     0     8    0
filepl     160     3569    0     3317    18     1    17    17     0     8    5
lockfpl    104      236    0      233     2     1     1     2     0     8    0
lockfspl    48      109    0      106     1     0     1     1     0     8    0
sessionpl  144       22    0       13     1     0     1     1     0     8    0
pgrppl      48       46    0       29     1     0     1     1     0     8    0
ucredpl    104      366    0      353     1     0     1     1     0     8    0
zombiepl   144      691    0      690     1     0     1     1     0     8    0
processpl  1232     737    0      690     5     1     4     5     0     8    0
procpl     664     1263    0     1207     7     0     7     7     0     8    2
sosppl     176        1    0        1     1     0     1     1     0     8    1
sockpl     752      659    0      628    12     1    11    11     0     8    7
mcl64k     65536      4    0        0     1     0     1     1     0     8    0
mcl8k      8192       2    0        0     1     0     1     1     0     8    0
mcl4k      4096     123    0        0    16     0    16    16     0     8    0
mcl2k      2048      24    0        0     3     0     3     3     0     8    0
mtagpl      96        5    0        0     1     0     1     1     0     8    0
mbufpl     256      239    0        0    15     0    15    15     0     8    0
bufpl      280     6384    0      248   439     0   439   439     0     8    0
anonpl      32    10963    0        0    89     0    89    89     0   246    0
amapchunkpl 152   18252    0    17791    34     2    32    32     0   158   10
amappl16   200     2283    0     2233    29     6    23    23     0     8   16
amappl15   192        5    0        5     1     1     0     1     0     8    0
amappl14   184        6    0        6     1     1     0     1     0     8    0
amappl13   176      421    0      420     1     0     1     1     0     8    0
amappl12   168     1094    0     1053     3     1     2     3     0     8    0
amappl11   160        7    0        7     1     1     0     1     0     8    0
amappl10   152       49    0       35     1     0     1     1     0     8    0
amappl9    144      261    0      260     2     1     1     1     0     8    0
amappl8    136       24    0       21     1     0     1     1     0     8    0
amappl7    128      109    0      108     1     0     1     1     0     8    0
amappl6    120      268    0      255     1     0     1     1     0     8    0
amappl5    112       68    0       58     1     0     1     1     0     8    0
amappl4    104      412    0      383     1     0     1     1     0     8    0
amappl3     96     3017    0     2929     4     1     3     3     0     8    0
amappl2     88      829    0      754     2     0     2     2     0     8    0
amappl1     80    10296    0     9708    14     1    13    14     0     8    0
amappl      88     5074    0     4918     5     0     5     5     0    92    0
uvmvnodes   80      111    0        0     3     0     3     3     0     8    0
dma65536   65536      1    0        1     1     0     1     1     0     8    1
dma4096    4096       2    0        2     2     1     1     1     0     8    1
dma1024    1024       1    0        0     1     0     1     1     0     8    0
dma256     256        7    0        7     2     1     1     1     0     8    1
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       11    0        1     1     0     1     1     0     8    0
uaddrrnd    24      721    0      690     1     0     1     1     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24      721    0      690     1     0     1     1     0     8    0
vmmpekpl   168     7626    0     7589     3     0     3     3     0     8    0
vmmpepl    168    52380    0    50456   104     0   104   104     0   357    9
vmsppl     488      720    0      690     5     1     4     5     0     8    0
rwobjpl     80    16887    0    15831    30     0    30    30     0     8    2
pdppl      4096    1452    0     1381   102    30    72    86     0     8    1
pvpl        32    18230    0        0   149     1   148   148     0   265    0
pmappl     256      721    0      690     3     1     2     3     0     8    0
extentpl    40       45    0       27     1     0     1     1     0     8    0
phpool     112      284    0       36     8     0     8     8     0     8    0
ddb{1}> machine ddbcpu 0
Stopped at      x86_ipi_db+0x27:        addq    $0x8,%rsp
ddb{0}> trace
x86_ipi_db(ffffffff837d3ff0) 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
mtx_enter(ffffffff839c4430) at mtx_enter+0x377 sys/kern/kern_lock.c:454
wakeup_n(ffffffff838eecf8,ffffffff) at wakeup_n+0x54 sys/kern/kern_synch.c:581
uvm_pmr_freepages(fffffd80082bf180,1) at uvm_pmr_freepages+0x3e8 sys/uvm/uvm_pmemrange.c:1341
pmap_do_remove(fffffd800b062400,69f2a48e000,69f2a4ce000,0) at pmap_do_remove+0x8af sys/arch/amd64/amd64/pmap.c:1939
uvm_unmap_kill_entry_withlock(fffffd800f7e95d8,fffffd806c5f3d88,0) at uvm_unmap_kill_entry_withlock+0x269 sys/uvm/uvm_map.c:1863
uvm_map_teardown(fffffd800f7e95d8) at uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline]
uvm_map_teardown(fffffd800f7e95d8) at uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2491
exit1(ffff80003c400028,b,0,1) at exit1+0x6fc sys/kern/kern_exit.c:260
sys_exit(ffff80003c400028,ffff80003c43d270,ffff80003c43d1c0) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80003c43d270) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c43d270) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x77696f4069b0, count: -13
ddb{0}> machine ddbcpu 1
Stopped at      db_enter+0x25:  addq    $0x8,%rsp
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
witness_checkorder(ffff8000299dee30,9,0) at witness_checkorder+0x10d1 sys/kern/subr_witness.c:-1
mtx_enter(ffff8000299dee20) at mtx_enter+0x95 sys/kern/kern_lock.c:406
clockintr_cancel(ffff8000299de2f8) at clockintr_cancel+0x2f sys/kern/kern_clockintr.c:323
mi_switch() at mi_switch+0x187 sys/kern/sched_bsd.c:376
ast(ffff80003c41f540) at ast+0x15a mi_ast sys/sys/syscall_mi.h:252 [inline]
ast(ffff80003c41f540) at ast+0x15a sys/arch/amd64/amd64/trap.c:739
intr_user_exit() at intr_user_exit+0x3c
end of kernel
end trace frame: 0x78ea0fe55b50, count: -7

Crashes (21):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/01/29 16:38 openbsd efad3755d7df aeb6fdd5 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: &sched_lock &cq->cq_mtx
2026/01/24 01:46 openbsd 18e483d517eb 4f25b9b4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: &sched_lock &cq->cq_mtx
2026/01/19 13:24 openbsd 665aeba05e03 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: &sched_lock &cq->cq_mtx
2026/01/18 01:31 openbsd f5df22e61f89 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: &sched_lock &cq->cq_mtx
2026/01/15 23:21 openbsd c600931321c7 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: &sched_lock &cq->cq_mtx
2026/01/14 21:13 openbsd bf518416d64f 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: &sched_lock &cq->cq_mtx
2026/01/10 23:04 openbsd 7ae91379da7d 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: &sched_lock &cq->cq_mtx
2026/01/10 18:45 openbsd 7ae91379da7d 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: &sched_lock &cq->cq_mtx
2026/01/08 23:44 openbsd b9d9e3fc96bc c1f5c7d0 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: &sched_lock &cq->cq_mtx
2026/01/07 09:48 openbsd c7117ed52e15 15f6fd08 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: &sched_lock &cq->cq_mtx
2025/12/27 16:08 openbsd fed22d3a29d8 5dc09de1 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: &sched_lock &cq->cq_mtx
2025/12/24 10:26 openbsd 1dc30a6de584 5dc09de1 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: &sched_lock &cq->cq_mtx
2025/12/22 03:42 openbsd 40385d83a6c6 49b0fb03 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: &sched_lock &cq->cq_mtx
2025/12/18 05:06 openbsd 10e7775f0707 a066d2bc .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: &sched_lock &cq->cq_mtx
2025/12/17 09:08 openbsd 3a6d4b98bde9 a066d2bc .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: &sched_lock &cq->cq_mtx
2025/12/09 23:47 openbsd 9bea02201100 fc20f974 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: &sched_lock &cq->cq_mtx
2025/10/25 22:37 openbsd 61d6733dbbce c0460fcd .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: &sched_lock &cq->cq_mtx
2025/08/16 12:09 openbsd 0823c7e0b279 1804e95e .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: &sched_lock &cq->cq_mtx
2025/06/20 16:17 openbsd 58d1a60550ab e3003213 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: &sched_lock &cq->cq_mtx
2025/06/07 08:03 openbsd 16c80f155e04 4826c28e .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: &sched_lock &cq->cq_mtx
2025/05/15 15:16 openbsd 8b901a85ba65 cfde8269 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: &sched_lock &cq->cq_mtx
* Struck through repros no longer work on HEAD.