[Bug 268333] kernel panic during boot ; ZFS ; VERIFY3(0 == zap_add_int(zfsvfs->z_os, zfsvfs->z_unlinkedobj, zp->z_id, tx)) failed (0 == 97)

From: <bugzilla-noreply_at_freebsd.org>
Date: Mon, 12 Dec 2022 15:05:50 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=268333

            Bug ID: 268333
           Summary: kernel panic during boot ; ZFS ; VERIFY3(0 ==
                    zap_add_int(zfsvfs->z_os, zfsvfs->z_unlinkedobj,
                    zp->z_id, tx)) failed (0 == 97)
           Product: Base System
           Version: 13.1-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: martin@bxlr.sk

FreeBSD 13.1, ZFS on geli, amd64: 

# freebsd-version -kru
13.1-RELEASE-p3
13.1-RELEASE-p3
13.1-RELEASE-p5

System panics on

<118>Clearing /tmp.
panic: VERIFY3(0 == zap_add_int(zfsvfs->z_os, zfsvfs->z_unlinkedobj, zp->z_id,
tx)) failed (0 == 97)

With the stack trace:

cpuid = 2
time = 1670833309
KDB: stack backtrace:
#0 0xffffffff80c694a5 at kdb_backtrace+0x65
#1 0xffffffff80c1bb5f at vpanic+0x17f
#2 0xffffffff82177f2a at spl_panic+0x3a
#3 0xffffffff8218b923 at zfs_link_destroy+0x433
#4 0xffffffff82194a81 at zfs_rmdir_+0x1a1
#5 0xffffffff8117d9a7 at VOP_RMDIR_APV+0x27
#6 0xffffffff80d0ac33 at kern_frmdirat+0x343
#7 0xffffffff810b06ec at amd64_syscall+0x10c
#8 0xffffffff81087ecb at fast_syscall_common+0xf8
Uptime: 11s


__curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:55
55              __asm("movq %%gs:%P1,%0" : "=r" (td) : "n" (offsetof(struct
pcpu,
=> 0xffffffff80c1b91e <doadump+46>:     65 48 8b 04 25 00 00 00 00      mov   
rax,QWORD PTR gs:0x0
(kgdb) bt
#0  __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:55
#1  doadump (textdump=<optimized out>) at /usr/src/sys/kern/kern_shutdown.c:399
#2  0xffffffff80c1b75c in kern_reboot (howto=260) at
/usr/src/sys/kern/kern_shutdown.c:487
#3  0xffffffff80c1bbce in vpanic (fmt=0xffffffff823dd5c6 "VERIFY3(0 ==
zap_add_int(zfsvfs->z_os, zfsvfs->z_unlinkedobj, zp->z_id, tx)) failed (0 ==
%lld)\n", ap=<optimized out>) at /usr/src/sys/kern/kern_shutdown.c:920
#4  0xffffffff82177f2a in spl_panic (file=<optimized out>, func=<optimized
out>, line=<unavailable>, fmt=<unavailable>) at
/usr/src/sys/contrib/openzfs/module/os/freebsd/spl/spl_misc.c:107
#5  0xffffffff8218b923 in zfs_unlinked_add (zp=0xfffff80041109b10,
tx=0xfffff80021e99600) at
/usr/src/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_dir.c:278
#6  zfs_link_destroy (dzp=dzp@entry=0xfffff8000ac03760, name=<optimized out>,
name@entry=0xfffff800212d5c07 ".font-unix", zp=zp@entry=0xfffff80041109b10,
tx=tx@entry=0xfffff80021e99600, flag=flag@entry=2,
unlinkedp=unlinkedp@entry=0x0) at
/usr/src/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_dir.c:785
#7  0xffffffff82194a81 in zfs_rmdir_ (dvp=0xfffff8000aa40d58,
vp=0xfffff800414d7988, name=0xfffff800212d5c07 ".font-unix", cr=<optimized
out>) at /usr/src/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_vnops_os.c:1611
#8  0xffffffff8117d9a7 in VOP_RMDIR_APV (vop=0xffffffff82457340 <zfs_vnodeops>,
a=a@entry=0xfffffe00c452bca8) at vnode_if.c:1804
#9  0xffffffff80d0ac33 in VOP_RMDIR (dvp=<unavailable>, vp=<unavailable>,
cnp=0xfffffe00c452bd48) at ./vnode_if.h:910
#10 kern_frmdirat (td=0xfffffe00c5f11560, dfd=-100, path=0x801831000 <error:
Cannot access memory at address 0x801831000>, fd=<optimized out>,
pathseg=UIO_USERSPACE, flag=<optimized out>) at
/usr/src/sys/kern/vfs_syscalls.c:3939
#11 0xffffffff810b06ec in syscallenter (td=0xfffffe00c5f11560) at
/usr/src/sys/amd64/amd64/../../kern/subr_syscall.c:189
#12 amd64_syscall (td=0xfffffe00c5f11560, traced=0) at
/usr/src/sys/amd64/amd64/trap.c:1185
#13 <signal handler called>

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