Bug 279152

Summary:	panic: VERIFY3(NULL == dmu_buf_set_user(l->l_dbuf, &l->l_dbu)) failed (0x == 0xfffff808149f9800x)
Product:	Base System	Reporter:	Peter Holm <pho>
Component:	kern	Assignee:	freebsd-bugs (Nobody) <bugs>
Status:	New ---
Severity:	Affects Only Me	Keywords:	crash
Priority:	---
Version:	CURRENT
Hardware:	Any
OS:	Any

Description Peter Holm freebsd_committer

2024-05-19 08:02:37 UTC

cpuid = 1
time = 1716101420
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe0170b555f0
vpanic() at vpanic+0x13f/frame 0xfffffe0170b55720
spl_panic() at spl_panic+0x3a/frame 0xfffffe0170b55780
zap_expand_leaf() at zap_expand_leaf+0x8b7/frame 0xfffffe0170b55810
fzap_add_cd() at fzap_add_cd+0x1a3/frame 0xfffffe0170b558b0
fzap_add() at fzap_add+0x88/frame 0xfffffe0170b558d0
zap_add_impl() at zap_add_impl+0x291/frame 0xfffffe0170b55950
zap_add() at zap_add+0x70/frame 0xfffffe0170b559a0
zfs_link_create() at zfs_link_create+0x153/frame 0xfffffe0170b55af0
zfs_link() at zfs_link+0x37f/frame 0xfffffe0170b55b60
VOP_LINK_APV() at VOP_LINK_APV+0x86/frame 0xfffffe0170b55b90
kern_linkat_vp() at kern_linkat_vp+0x33c/frame 0xfffffe0170b55cc0
kern_linkat() at kern_linkat+0x17b/frame 0xfffffe0170b55de0
sys_link() at sys_link+0x28/frame 0xfffffe0170b55e00
amd64_syscall() at amd64_syscall+0x158/frame 0xfffffe0170b55f30
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe0170b55f30
--- syscall (9, FreeBSD ELF64, link), rip = 0x19021dc7251a, rsp = 0x19021ac60538, rbp = 0x19021ac60670 ---

How to reproduce:
root@mercat1:~ # cd /usr/src/tools/test/stress2/misc
root@mercat1:/usr/src/tools/test/stress2/misc # ./all.sh -al5 zfs3.sh

Console log:
https://people.freebsd.org/~pho/stress/log/log0525.txt