[Bug 191895] [ext2fs] [panic] ext2_dirbad: /mnt: bad dir ino 32787 at offset 6136: mangled entry
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Fri Feb 13 21:30:17 UTC 2015
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=191895
--- Comment #6 from Peter Holm <pho at FreeBSD.org> ---
No change:
FreeBSD t2.osted.lan 11.0-CURRENT FreeBSD 11.0-CURRENT #0 r278708: Fri Feb 13
22:06:30 CET 2015 pho at t2.osted.lan:/usr/src/sys/amd64/compile/PHO amd64
root at t2:~pho/stress2/misc # ./ext2fs.sh
mke2fs 1.42.10 (18-May-2014)
run: run time 0+00:10:00, incarnations 1, load 100, verbose 1
22:26:49 Loop #1
lockf2: run time 0+00:02:00, incarnations 19, load 80, verbose 1
symlink: run time 0+00:02:00, incarnations 1, load 80, verbose 1
rw: run time 0+00:02:00, incarnations 1, load 80, verbose 1
fts: run time 0+00:02:00, incarnations 10, load 80, verbose 1
link: run time 0+00:02:00, incarnations 13, load 80, verbose 1
openat: run time 0+00:02:00, incarnations 1, load 80, verbose 1
lockf: run time 0+00:02:00, incarnations 1, load 80, verbose 1
rename: run time 0+00:02:00, incarnations 17, load 80, verbose 1
mkfifo: run time 0+00:02:00, incarnations 17, load 80, verbose 1
creat: run time 0+00:02:00, incarnations 15, load 80, verbose 1
mkdir: run time 0+00:02:00, incarnations 17, load 80, verbose 1
bad directory entry: rec_len is smaller than minimal
offset=2040, inode=0, rec_len=8, name_len=0
panic: ext2_dirbad: /mnt: bad dir ino 49187 at offset 6136: mangled entry
cpuid = 17
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe081e1a8130
vpanic() at vpanic+0x189/frame 0xfffffe081e1a81b0
panic() at panic+0x43/frame 0xfffffe081e1a8210
ext2_search_dirblock() at ext2_search_dirblock+0x2a3/frame 0xfffffe081e1a8290
ext2_htree_lookup() at ext2_htree_lookup+0x162/frame 0xfffffe081e1a8390
ext2_lookup_ino() at ext2_lookup_ino+0x20c/frame 0xfffffe081e1a84b0
VOP_CACHEDLOOKUP_APV() at VOP_CACHEDLOOKUP_APV+0x10f/frame 0xfffffe081e1a84e0
vfs_cache_lookup() at vfs_cache_lookup+0xd6/frame 0xfffffe081e1a8540
VOP_LOOKUP_APV() at VOP_LOOKUP_APV+0x10f/frame 0xfffffe081e1a8570
lookup() at lookup+0x5d5/frame 0xfffffe081e1a8600
namei() at namei+0x536/frame 0xfffffe081e1a86c0
vn_open_cred() at vn_open_cred+0xd5/frame 0xfffffe081e1a8820
kern_openat() at kern_openat+0x257/frame 0xfffffe081e1a89a0
amd64_syscall() at amd64_syscall+0x29c/frame 0xfffffe081e1a8ab0
Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe081e1a8ab0
--- syscall (499, FreeBSD ELF64, sys_openat), rip = 0x800b08fba, rsp =
0x7fffffffe5b8, rbp = 0x7fffffffe690 ---
KDB: enter: panic
[ thread pid 970 tid 100491 ]
Stopped at kdb_enter+0x3e: movq $0,kdb_why
db>
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