panic: missing alias (6)

Status: upstream: reported on 2025/02/04 00:00
Reported-by: syzbot+2eaddfd8647a34a44071@syzkaller.appspotmail.com
First crash: 558d, last: 1d20h
Similar bugs (5)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd panic: missing alias 2 1 2818d 2818d 0/4 auto-closed as invalid on 2019/05/26 04:11
openbsd panic: missing alias (3) 2 1 1246d 1246d 0/4 auto-obsoleted due to no activity on 2023/06/16 22:46
openbsd panic: missing alias (4) 2 1 899d 899d 0/4 auto-obsoleted due to no activity on 2024/05/28 06:58
openbsd panic: missing alias (2) 2 2 1691d 1692d 0/4 auto-closed as invalid on 2022/03/28 01:59
openbsd panic: missing alias (5) 2 42 640d 754d 0/4 auto-obsoleted due to no activity on 2025/01/02 20:22

Sample crash report:
panic: missing alias
Stopped at      db_enter+0x25:  addq    $0x8,%rsp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*369625  68170      0         0x2          0    1K syz-executor
 290686  68551      0         0x2        0x1    0  syz-executor
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff83450413) at panic+0x1e5 sys/kern/subr_prf.c:198
vgonel(fffff8006c9a3a40,ffff800045ffc7d0) at vgonel+0x663
vrecycle(fffff8006c9a3a40,ffff800045ffc7d0) at vrecycle+0x7c sys/kern/vfs_subr.c:1152
ufs_inactive(ffff80002a2a7cb0) at ufs_inactive+0x35c sys/ufs/ufs/ufs_inode.c:107
VOP_INACTIVE(fffff8006c9a3a40,ffff800045ffc7d0) at VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498
vput(fffff8006c9a3a40) at vput+0xe5 sys/kern/vfs_subr.c:795
VOP_REMOVE(fffff80060f5ccc0,fffff8006c9a3a40,ffff80002a2a7e18) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336
dounlinkat(ffff800045ffc7d0,ffffff9c,779944bccb60,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1843
syscall(ffff80002a2a7f90) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a2a7f90) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x779944bcd010, count: 4
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
*cpu1: missing alias
ddb{1}> show kasan
No such command
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff83450413) at panic+0x1e5 sys/kern/subr_prf.c:198
vgonel(fffff8006c9a3a40,ffff800045ffc7d0) at vgonel+0x663
vrecycle(fffff8006c9a3a40,ffff800045ffc7d0) at vrecycle+0x7c sys/kern/vfs_subr.c:1152
ufs_inactive(ffff80002a2a7cb0) at ufs_inactive+0x35c sys/ufs/ufs/ufs_inode.c:107
VOP_INACTIVE(fffff8006c9a3a40,ffff800045ffc7d0) at VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498
vput(fffff8006c9a3a40) at vput+0xe5 sys/kern/vfs_subr.c:795
VOP_REMOVE(fffff80060f5ccc0,fffff8006c9a3a40,ffff80002a2a7e18) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336
dounlinkat(ffff800045ffc7d0,ffffff9c,779944bccb60,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1843
syscall(ffff80002a2a7f90) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a2a7f90) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x779944bcd010, count: -11
ddb{1}> show registers
rdi                                0
rsi                              0x1
rbp               0xffff80002a2a7ae0
rbx               0xffff80002999ee07
rdx                                0
rcx               0xffff800045ffc7d0
rax               0xffff80002999dff0
r8                 0x101010101010101
r9                0x8080808080808080
r10               0xdb6694386484a47a
r11               0xc234a458becad7d6
r12               0xffff80002999ec08
r13                                0
r14                                0
r15                              0x1
rip               0xffffffff831fc875    db_enter+0x25
cs                               0x8
rflags                         0x246
rsp               0xffff80002a2a7ad0
ss                              0x10
db_enter+0x25:  addq    $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor) tid=369625 pid=68170 tcnt=1 stat=onproc
    flags process=2<EXEC> proc=0
    runpri=17, usrpri=50, slppri=17, nice=20
    wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
    forw=0xffffffffffffffff, list=0xffff800045ffc008,0xffff80002a2227e8
    process=0xffff800045ff1350 user=0xffff80002a2a3000, vmspace=0xfffff80072a7f998
    estcpu=36, cpticks=119, pctcpu=0.97, user=0, sys=119, intr=0
ddb{1}> ps
   PID     TID   PPID   UID  S      PRLAGS     PFLAGS WAIT      COMMAND
 54266  359665  37406     0  2           0          0           syz-executor
 54266   99887  37406     0  2           0  0x4000000           syz-executor
 17367  195267  73967     0  2           0          0           syz-executor
 17367  156126  73967     0  2           0  0x4000000           syz-executor
 79615  427610  37083     0  3           0          0 vmmaplk   syz-executor
 79615  517848  37083     0  2           0  0x4000000           syz-executor
 79615   67199  37083     0  3           0  0x4000080 fifor     syz-executor
 79615  156016  37083     0  3           0  0x4000000 vmmaplk   syz-executor
 80792  161640  78454     0  3           0       0x80 nanoslp   syz-executor
 80792   60753  78454     0  3           0  0x4000080 kqpoll    syz-executor
 80792  157162  78454     0  3           0  0x4000080 fsleep    syz-executor
 80792  214773  78454     0  3           0  0x4000080 fsleep    syz-executor
 19481  251550  51211 60929  3        0x10       0x80 nanoslp   syz-executor
 19481  261083  51211 60929  3        0x10  0x4000080 kqread    syz-executor
 19481   45258  51211 60929  3        0x10  0x4000080 fsleep    syz-executor
 19481  353287  51211 60929  3        0x10  0x4000080 fsleep    syz-executor
 81543  313135  68551     0  3         0x2          0 biowait   syz-executor
 37083  186041  68551     0  3         0x2       0x80 nanoslp   syz-executor
  1849  218478  68551     0  2         0x2        0x1           syz-executor
 73967   34560  68551     0  3         0x2       0x80 nanoslp   syz-executor
 51211  199449  68551     0  3         0x2       0x80 nanoslp   syz-executor
 78454  232734  68551     0  3         0x2       0x80 nanoslp   syz-executor
 37406  406636  68551     0  3         0x2       0x80 nanoslp   syz-executor
*68170  369625  68551     0  7         0x2          0           syz-executor
 68551  290686  49785     0  7         0x2        0x1           syz-executor
 49785  496507  14097     0  3    0x100002       0x88 sigsusp   ksh
 14097  315233  27499     0  3        0x10       0x88 kqread    sshd-session
 27499   14681  14762     0  3        0x12       0x80 kqread    sshd-session
   525  391575      1     0  3    0x100003       0x80 ttyin     getty
 14762  215630      1     0  3           0       0x88 kqread    sshd
 87260  305151  82380    74  3   0x1100012       0x80 bpf       pflogd
 82380  203112      1     0  3           0       0x80 sbwait    pflogd
 48782  320656  17343    73  3   0x1100010       0x80 kqread    syslogd
 17343  279219      1     0  3    0x100002       0x80 sbwait    syslogd
 42445  501628      1     0  3    0x100000       0x80 kqread    resolvd
 63378  107460  51604    77  3    0x100012       0x80 kqread    dhcpleased
 66984  508705  51604    77  3    0x100012       0x80 kqread    dhcpleased
 51604  228172      1     0  3           0       0x80 kqread    dhcpleased
 40642  222418      0     0  3     0x14000      0x200 bored     smr
 92085  123014      0     0  3     0x14000      0x200 pgzero    zerothread
 10325  469664      0     0  3     0x14000      0x200 aiodoned  aiodoned
 41500   59970      0     0  3     0x14000      0x200 syncer    update
  2044  483143      0     0  3     0x14000      0x200 cleaner   cleaner
 55519  340612      0     0  3     0x14000      0x200 reaper    reaper
  3686  407360      0     0  3     0x14000      0x200 pgdaemon  pagedaemon
 19584   81043      0     0  3     0x14000      0x200 bored     viomb
 66889  149243      0     0  3     0x14000 0x40000200 acpi0     acpi0
 74429  442686      0     0  3     0x14000 0x40000200           idle1
 92883  217968      0     0  3     0x14000      0x200 bored     softnet1
 63446  339171      0     0  3     0x14000      0x200 bored     softnet0
  7382  129082      0     0  3     0x14000      0x200 bored     systqmp
 12843   49991      0     0  3     0x14000      0x200 bored     systq
 92847  249664      0     0  3     0x14000      0x200 tmoslp    softclockmp
 33382  108709      0     0  3     0x14000 0x40000200 tmoslp    softclock
 22019   35642      0     0  3     0x14000 0x40000200           idle0
     1  146043      0     0  4  0x40000002  0x8000080           init
     0       0     -1     0  3  0x10010000      0x200 scheduler swapper
ddb{1}> show all locks
CPU 0:
exclusive mutex /syzkaller/managers/multicore/kernel/sys/kern/kern_malloc.c:96 r = 0 (0xffffffff8397cee8)
#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  malloc+0x2ef sys/kern/kern_malloc.c:200
#3  ktrgenio+0x142 sys/kern/kern_ktrace.c:249
#4  dofilereadv+0x474 sys/kern/sys_generic.c:268
#5  sys_read+0xa2 sys/kern/sys_generic.c:172
#6  syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#6  syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
#7  Xsyscall+0x128
Process 54266 (syz-executor) thread 0xffff800038fb14e8 (99887)
exclusive rrwlock inode r = 0 (0xfffff800701f4eb0)
#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:576
#5  vget+0x2a2 sys/kern/vfs_subr.c:692
#6  cache_lookup+0x351 sys/kern/vfs_cache.c:222
#7  ufs_lookup+0x1e3 sys/ufs/ufs/ufs_lookup.c:160
#8  VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
#9  vfs_lookup+0x963 sys/kern/vfs_lookup.c:580
#10 namei+0x7c5 sys/kern/vfs_lookup.c:250
#11 vn_open+0x178 sys/kern/vfs_vnops.c:146
#12 doopenat+0x35b sys/kern/vfs_syscalls.c:1163
#13 sys_openat+0x58 sys/kern/vfs_syscalls.c:1102
#14 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#14 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
#15 Xsyscall+0x128
Process 17367 (syz-executor) thread 0xffff800038fb0028 (156126)
exclusive rwlock lockflk r = 0 (0xffffffff838d7878)
#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  lf_advlock+0x227 sys/kern/vfs_lockf.c:260
#3  VOP_ADVLOCK+0x87 sys/kern/vfs_vops.c:623
#4  doopenat+0x670 sys/kern/vfs_syscalls.c:1197
#5  sys_open+0x59 sys/kern/vfs_syscalls.c:1065
#6  syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#6  syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
#7  Xsyscall+0x128
Process 79615 (syz-executor) thread 0xffff8000397b9248 (517848)
exclusive rwlock vmmaplk r = 0 (0xfffff8006cf33118)
#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_read+0x3e8 sys/kern/kern_rwlock.c:413
#2  uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880
#3  uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693
#4  uvm_fault+0x106 sys/uvm/uvm_fault.c:627
#5  kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283
#6  kerntrap+0x19d sys/arch/amd64/amd64/trap.c:528
#7  alltraps_kern_meltdown+0x7b
#8  copyout+0x64
#9  mmrw+0x3c7 sys/arch/amd64/amd64/mem.c:-1
#10 spec_read+0x14b sys/kern/spec_vnops.c:215
#11 VOP_READ+0x101 sys/kern/vfs_vops.c:227
#12 vn_read+0x17b sys/kern/vfs_vnops.c:375
#13 dofilereadv+0x25a sys/kern/sys_generic.c:252
#14 sys_preadv+0xe3 sys/kern/vfs_syscalls.c:3286
#15 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#15 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
#16 Xsyscall+0x128
Process 81543 (syz-executor) thread 0xffff800045feea78 (313135)
exclusive rrwlock inode r = 0 (0xfffff800703541e0)
#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  ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline]
#4  ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:150
#5  ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1232
#6  ffs_inode_alloc+0x279 sys/ufs/ffs/ffs_alloc.c:393
#7  ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112
#8  VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394
#9  domkdirat+0x179 sys/kern/vfs_syscalls.c:3063
#10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffff8006d6cdea0)
#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:576
#5  vfs_lookup+0x12b sys/kern/vfs_lookup.c:431
#6  namei+0x7c5 sys/kern/vfs_lookup.c:250
#7  domkdirat+0x8b sys/kern/vfs_syscalls.c:3048
#8  syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8  syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
#9  Xsyscall+0x128
Process 68170 (syz-executor) thread 0xffff800045ffc7d0 (369625)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83a02300)
#0  witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0  witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1  __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1
#2  sleep_finish+0x2d8 sys/kern/kern_synch.c:369
#3  getblk+0x197 sys/kern/vfs_bio.c:882
#4  bread+0x45 bio_doread sys/kern/vfs_bio.c:295 [inline]
#4  bread+0x45 sys/kern/vfs_bio.c:340
#5  ffs_update+0x198 sys/ufs/ffs/ffs_inode.c:91
#6  ufs_reclaim+0x10f sys/ufs/ufs/ufs_inode.c:137
#7  ffs_reclaim+0x43 sys/ufs/ffs/ffs_vnops.c:519
#8  VOP_RECLAIM+0x77 sys/kern/vfs_vops.c:512
#9  vclean+0x29b sys/kern/vfs_subr.c:1111
#10 vgonel+0xb0 sys/kern/vfs_subr.c:1201
#11 vrecycle+0x7c sys/kern/vfs_subr.c:1152
#12 ufs_inactive+0x35c sys/ufs/ufs/ufs_inode.c:107
#13 VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498
#14 vput+0xe5 sys/kern/vfs_subr.c:795
#15 VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336
#16 dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1843
#17 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#17 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
#18 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffff8006cf27ea8)
#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:576
#5  vget+0x2a2 sys/kern/vfs_subr.c:692
#6  cache_lookup+0x351 sys/kern/vfs_cache.c:222
#7  ufs_lookup+0x1e3 sys/ufs/ufs/ufs_lookup.c:160
#8  VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
#9  vfs_lookup+0x963 sys/kern/vfs_lookup.c:580
#10 namei+0x7c5 sys/kern/vfs_lookup.c:250
#11 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1807
#12 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#12 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
#13 Xsyscall+0x128
ddb{1}> show malloc
           Type InUse  MemUse  HighUse   Limit  Requests Type Lim
         devbuf 11061  12094K   12288K 166960K     12334        0
            pcb    17     13K      14K 166960K        94        0
         rtable   255      9K       9K 166960K       389        0
             pf    35     17K      24K 166960K        71        0
         ifaddr    43      7K       7K 166960K        52        0
        ifgroup    55      2K       2K 166960K        65        0
         sysctl     3      1K       9K 166960K         7        0
       counters    70     37K      37K 166960K        84        0
       ioctlops     0      0K       4K 166960K      1507        0
            iov     1      2K       2K 166960K         4        0
          mount     1      1K       1K 166960K         1        0
            log     0      0K       0K 166960K         4        0
         vnodes  1293     81K      82K 166960K      1481        0
      UFS quota     1     32K      32K 166960K         1        0
      UFS mount     5     36K      36K 166960K         5        0
            shm     2      1K       5K 166960K         5        0
         VM map     2      1K       1K 166960K         2        0
            sem     5      0K       0K 166960K         9        0
        dirhash    12      2K       2K 166960K        15        0
           ACPI  1734    201K     291K 166960K     11964        0
      file desc    15     53K      89K 166960K       277        0
          sigio     0      0K       0K 166960K        37        0
           proc    72    115K     164K 166960K       562        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        12        0
       in_multi    99      6K       6K 166960K       101        0
    ether_multi     1      0K       0K 166960K         2        0
            mrt     0      0K       0K 166960K        10        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       399        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   233    159K     168K 166960K      4442        0
       UVM aobj    10      4K       4K 166960K        10        0
     pinsyscall    40     80K     101K 166960K      1433        0
        memdesc     1      4K       4K 166960K         1        0
    crypto data     1      1K       1K 166960K         1        0
    ip6_options     1      0K       0K 166960K         4        0
            NDP    12      0K       1K 166960K        33        0
           temp    74   9132K    9190K 166960K      6900        0
         kqueue    14     22K      26K 166960K        44        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       28    0        0     1     0     1     1     0     8    0
rtpcb      120       41    0       38     1     0     1     1     0     8    0
rtentry    176      116    0        2     6     0     6     6     0     8    0
unpcb      144       96    0       75     1     0     1     1     0     8    0
syncache   336        5    0        5     2     1     1     1     0     8    1
tcpcb      736       33    0       25     1     0     1     1     0     8    0
arp        136       18    0        0     1     0     1     1     0     8    0
inpcb      328      220    0      207     4     0     4     4     0     8    2
nd6        152       28    0        1     2     0     2     2     0     8    0
kcovpl      48        8    0        0     1     0     1     1     0     8    0
ppxss      1192       7    0        7     1     0     1     1     0     8    1
pffrag     232        1    0        0     1     0     1     1     0   482    0
pffrnode    88        1    0        0     1     0     1     1     0     8    0
pffrent     40        2    0        1     1     0     1     1     0     8    0
pfosfp      40     1429    0     1005     5     0     5     5     0     8    0
pfosfpen   112     1429    0      714    21     0    21    21     0     8    0
pfrktable  1344       4    0        3     1     0     1     1     0     8    0
pfanchor   1288       3    0        1     1     0     1     1     0     8    0
pftag       88        3    0        1     1     0     1     1     0     8    0
pfqueue    320        1    0        1     1     0     1     1     0     8    1
pfstitem    24       34    0        0     1     0     1     1     0     8    0
pfstkey    128       34    0        0     2     0     2     2     0     8    0
pfstate    448       34    0        0     4     0     4     4     0     8    0
pfrule     1360      27    0       20     2     1     1     2     0     8    0
art_heap8  4096       1    0        0     1     0     1     1     0     8    0
art_heap4  256      524    0       13    32     0    32    32     0     8    0
art_table   40      525    0       13     6     0     6     6     0     8    0
art_node    32      116    0       12     1     0     1     1     0     8    0
semupl     112        1    0        1     1     1     0     1     0     8    0
semapl      72        6    0        3     1     0     1     1     0     8    0
shmpl      112        7    0        0     1     0     1     1     0     8    0
dirhash    1024      19    0        2     3     0     3     3     0     8    0
dino2pl    256     1839    0      373    93     0    93    93     0     8    0
ffsino     296     1839    0      373   114     0   114   114     0     8    0
nchpl      144     2203    0      496    64     0    64    64     0     8    0
vnodes     216     1994    0        0   111     0   111   111     0     8    0
namei      1024    7061    0     7060     2     1     1     1     0     8    0
percpumem   16       58    0        7     1     0     1     1     0     8    0
pfiaddrpl  120        1    0        1     1     0     1     1     0     8    1
acpiwqpl    32        1    0        1     1     0     1     1     1     8    1
kstatmem   264       37    0       10     3     0     3     3     0     8    1
scsiplug    72        1    0        1     1     0     1     1     0     8    1
scxspl     216     7836    0     7835    10     2     8     8     1     8    7
plimitpl   152       46    0       29     1     0     1     1     0     8    0
sigapl     424      594    0      549     7     1     6     7     0     8    0
knotepl    120      203    0        0     7     0     7     7     0     8    0
kqueuepl   224       88    0       77     3     0     3     3     0     8    2
pipepl     344      132    0      105     3     0     3     3     0     8    0
fdescpl    528      578    0      549     3     0     3     3     0     8    0
filepl     160     2682    0     2457    14     0    14    14     0     8    3
lockfpl    104       76    0       74     1     0     1     1     0     8    0
lockfspl    48       36    0       33     1     0     1     1     0     8    0
sessionpl  144       36    0       27     1     0     1     1     0     8    0
pgrppl      48       45    0       28     1     0     1     1     0     8    0
ucredpl    104      242    0      228     1     0     1     1     0     8    0
zombiepl   144      624    0      624     2     1     1     1     0     8    1
processpl  1232     594    0      549     5     0     5     5     0     8    0
procpl     664      852    0      796     6     0     6     6     0     8    0
sockpl     752      366    0      329     8     1     7     7     0     8    2
mcl64k     65536      2    0        0     1     0     1     1     0     8    0
mcl9k128   9344       1    0        0     1     0     1     1     0     8    0
mcl8k      8192       2    0        0     1     0     1     1     0     8    0
mcl4k      4096     135    0        0    17     0    17    17     0     8    0
mcl2k      2048      19    0        0     3     0     3     3     0     8    0
mextrefs    64       18    0        0     1     0     1     1     0     8    0
mtagpl      96        3    0        0     1     0     1     1     0     8    0
mbufpl     256      280    0        0    17     0    17    17     0     8    0
bufpl      272     2484    0      106   159     0   159   159     0     8    0
anonpl      32     8600    0        0    70     0    70    70     0   247    0
amapchunkpl 152   12724    0    12237    26     3    23    23     0   158    1
amappl16   200     2307    0     1970    28    10    18    18     0     8    0
amappl15   192        8    0        8     1     1     0     1     0     8    0
amappl14   184      427    0      426     1     0     1     1     0     8    0
amappl13   176      140    0      127     1     0     1     1     0     8    0
amappl12   168      861    0      833     2     0     2     2     0     8    0
amappl11   160        5    0        5     1     1     0     1     0     8    0
amappl10   152       63    0       49     1     0     1     1     0     8    0
amappl9    144      284    0      284     1     1     0     1     0     8    0
amappl8    136       95    0       93     1     0     1     1     0     8    0
amappl7    128      147    0      133     1     0     1     1     0     8    0
amappl6    120      181    0      180     1     0     1     1     0     8    0
amappl5    112       97    0       86     1     0     1     1     0     8    0
amappl4    104      294    0      274     1     0     1     1     0     8    0
amappl3     96     2343    0     2247     3     0     3     3     0     8    0
amappl2     88      703    0      627     2     0     2     2     0     8    0
amappl1     80    11086    0    10488    14     0    14    14     0     8    1
amappl      88     3692    0     3534     5     0     5     5     0    92    0
uvmvnodes   80      101    0        0     3     0     3     3     0     8    0
dma32768   32768      1    0        1     1     0     1     1     0     8    1
dma4096    4096       1    0        1     1     1     0     1     0     8    0
dma1024    1024       2    0        1     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        9    0        0     1     0     1     1     0     8    0
uaddrrnd    24      578    0      549     1     0     1     1     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24      578    0      549     1     0     1     1     0     8    0
vmmpekpl   168     6732    0     6697     2     0     2     2     0     8    0
vmmpepl    168    46765    0    44627   104     4   100   100     0   357    0
vmsppl     488      577    0      549     6     1     5     5     0     8    1
rwobjpl     80    16572    0    15217    29     0    29    29     0     8    0
pdppl      4096    1163    0     1098    99    28    71    83     0     8    6
pvpl        32    15414    0        0   125     0   125   125     0   265    0
pmappl     256      577    0      549     3     0     3     3     0     8    0
extentpl    40       46    0       28     1     0     1     1     0     8    0
phpool     112      444    0       33    12     0    12    12     0     8    0
ddb{1}> machine ddbcpu 0
Stopped at      x86_ipi_db+0x27:        addq    $0x8,%rsp
x86_ipi_db(ffffffff83900ff0) 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
__mp_lock(ffffffff83a01b00) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff83a01b00) at __mp_lock+0x192 sys/kern/kern_lock.c:173
ktrgenio(ffff800045ffc008,3,0,ffff800000c43600,814) at ktrgenio+0x228 ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline]
ktrgenio(ffff800045ffc008,3,0,ffff800000c43600,814) at ktrgenio+0x228 sys/kern/kern_ktrace.c:264
dofilereadv(ffff800045ffc008,3,ffff80002a2886a8,0,ffff80002a288760) at dofilereadv+0x474 sys/kern/sys_generic.c:268
sys_read(ffff800045ffc008,ffff80002a288810,ffff80002a288760) at sys_read+0xa2 sys/kern/sys_generic.c:172
syscall(ffff80002a288810) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a288810) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7b3aa53eef50, count: 6
ddb{0}> trace
x86_ipi_db(ffffffff83900ff0) 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
__mp_lock(ffffffff83a01b00) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff83a01b00) at __mp_lock+0x192 sys/kern/kern_lock.c:173
ktrgenio(ffff800045ffc008,3,0,ffff800000c43600,814) at ktrgenio+0x228 ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline]
ktrgenio(ffff800045ffc008,3,0,ffff800000c43600,814) at ktrgenio+0x228 sys/kern/kern_ktrace.c:264
dofilereadv(ffff800045ffc008,3,ffff80002a2886a8,0,ffff80002a288760) at dofilereadv+0x474 sys/kern/sys_generic.c:268
sys_read(ffff800045ffc008,ffff80002a288810,ffff80002a288760) at sys_read+0xa2 sys/kern/sys_generic.c:172
syscall(ffff80002a288810) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a288810) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7b3aa53eef50, count: -9
ddb{0}> machine ddbcpu 1
Stopped at      db_enter+0x25:  addq    $0x8,%rsp
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff83450413) at panic+0x1e5 sys/kern/subr_prf.c:198
vgonel(fffff8006c9a3a40,ffff800045ffc7d0) at vgonel+0x663
vrecycle(fffff8006c9a3a40,ffff800045ffc7d0) at vrecycle+0x7c sys/kern/vfs_subr.c:1152
ufs_inactive(ffff80002a2a7cb0) at ufs_inactive+0x35c sys/ufs/ufs/ufs_inode.c:107
VOP_INACTIVE(fffff8006c9a3a40,ffff800045ffc7d0) at VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498
vput(fffff8006c9a3a40) at vput+0xe5 sys/kern/vfs_subr.c:795
VOP_REMOVE(fffff80060f5ccc0,fffff8006c9a3a40,ffff80002a2a7e18) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336
dounlinkat(ffff800045ffc7d0,ffffff9c,779944bccb60,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1843
syscall(ffff80002a2a7f90) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a2a7f90) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x779944bcd010, count: 4
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff83450413) at panic+0x1e5 sys/kern/subr_prf.c:198
vgonel(fffff8006c9a3a40,ffff800045ffc7d0) at vgonel+0x663
vrecycle(fffff8006c9a3a40,ffff800045ffc7d0) at vrecycle+0x7c sys/kern/vfs_subr.c:1152
ufs_inactive(ffff80002a2a7cb0) at ufs_inactive+0x35c sys/ufs/ufs/ufs_inode.c:107
VOP_INACTIVE(fffff8006c9a3a40,ffff800045ffc7d0) at VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498
vput(fffff8006c9a3a40) at vput+0xe5 sys/kern/vfs_subr.c:795
VOP_REMOVE(fffff80060f5ccc0,fffff8006c9a3a40,ffff80002a2a7e18) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336
dounlinkat(ffff800045ffc7d0,ffffff9c,779944bccb60,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1843
syscall(ffff80002a2a7f90) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a2a7f90) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x779944bcd010, count: -11

Crashes (1493):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/08/14 05:19 openbsd 52741ec3fdca b13552fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/07/30 23:04 openbsd a3419d81e108 0a1bc234 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/07/17 08:03 openbsd 5f0b8e1b9eb7 6ca2b51a .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/07/14 13:04 openbsd ddde2be8d3c6 2130f682 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/07/11 06:11 openbsd 430eddfdd9d9 d78ea535 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/07/06 17:47 openbsd a8064a9ef4c0 fcece630 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/06/17 18:33 openbsd abb34060f546 62cc6db3 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/06/17 12:23 openbsd abb34060f546 62cc6db3 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/06/15 04:49 openbsd e83fdb494821 4f06757f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/06/14 11:58 openbsd 46410a2bd49b 4f06757f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/06/12 21:18 openbsd 59d95d307a04 8f6cdf3b .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/06/09 20:48 openbsd d89bad393cda c36c07f6 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/06/06 22:16 openbsd f12de7fa2924 cc095639 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/06/05 00:46 openbsd e098f50ba37b 197909be .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/05/24 00:25 openbsd 19a448b47c50 c69befb3 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/05/22 15:28 openbsd 54bbd1fe416a 95d90255 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/05/21 21:17 openbsd ca78e759411d 70ae9b03 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/05/20 07:30 openbsd 4cd34baf9f06 340bcdf0 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/05/20 00:50 openbsd 3fe334830a75 340bcdf0 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/05/18 22:46 openbsd 08041194ec68 340bcdf0 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/05/18 05:41 openbsd 453e3248fd2d 340bcdf0 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/05/17 13:48 openbsd c52d99c0253a 340bcdf0 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/05/17 03:07 openbsd c057dfdb27e5 340bcdf0 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/05/09 03:30 openbsd 34e7bded0e8b 340bcdf0 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/05/07 03:00 openbsd eea3785ced43 340bcdf0 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/05/06 03:30 openbsd eec9cf095b26 340bcdf0 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/04/29 10:47 openbsd 7697f4315e16 340bcdf0 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/04/27 05:37 openbsd 80ba1745ccfd 9c2d0995 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/04/24 11:33 openbsd 9aeaae004919 1c2b9291 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/04/18 22:34 openbsd a6d33878ee16 1a086e7c .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/04/12 17:31 openbsd 6018ae1d0153 4b3d9a38 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/04/12 00:02 openbsd de62a587e27d 4b3d9a38 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/04/08 11:55 openbsd 15cb22fda4ec 4b3d9a38 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/04/03 19:08 openbsd a0d451d3ebb4 4b3d9a38 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/04/01 20:51 openbsd ffc378411de4 4b3d9a38 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/03/30 07:28 openbsd 7ab78e8bd090 4b3d9a38 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/03/29 08:11 openbsd 8c0bc7d7b019 4b3d9a38 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/03/24 18:34 openbsd 7348976a6ac6 74e70d19 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/03/24 03:31 openbsd 2084961b940b baf8bf12 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/03/24 02:26 openbsd 2084961b940b baf8bf12 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/03/23 16:17 openbsd ccfcb3e6ef18 5e3db351 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2026/03/23 12:57 openbsd ccfcb3e6ef18 5e3db351 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/03/23 01:09 openbsd 33c7e43e4e2f 5b92003d .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/03/22 06:01 openbsd 67e6794a9e1c 5b92003d .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
2026/03/21 21:03 openbsd 8aa14d77a9ab 5b92003d .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: missing alias
2025/02/03 16:29 openbsd db5d28f093d6 a21a8419 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: missing alias
* Struck through repros no longer work on HEAD.