https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=296224
Bug ID: 296224
Summary: nfs: Memory modified after free (384, malloc-384,
NFSCL deleg) + 88 = deadc0dedeadc0dd
Product: Base System
Version: CURRENT
Hardware: amd64
OS: Any
Status: New
Severity: Affects Many People
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
Created attachment 272066
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=272066&action=edit
crashinfo output
Tried to do a "make -j12 buildworld" over NFS, system panicked after a few
minutes while still in bootstrap-tools:
Memory modified after free 0xfffff80e29883c00 (384, malloc-384,
0xffffffff81aae4b0) + 88 = deadc0dedeadc0dd
panic: Memory modified after free 0xfffff80e29883c00 (384, malloc-384, NFSCL
deleg) + 88 = deadc0dedeadc0dd
cpuid = 0
time = 1782200437
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x36/frame 0xfffffe01f7803280
vpanic() at vpanic+0x149/frame 0xfffffe01f78033b0
panic() at panic+0x43/frame 0xfffffe01f7803410
mtrash_ctor() at mtrash_ctor+0x147/frame 0xfffffe01f7803450
item_ctor() at item_ctor+0x117/frame 0xfffffe01f78034a0
malloc() at malloc+0x7d/frame 0xfffffe01f78034e0
nfsrpc_create() at nfsrpc_create+0x10ce/frame 0xfffffe01f7803740
nfs_create() at nfs_create+0x2c1/frame 0xfffffe01f7803a70
vop_sigdefer() at vop_sigdefer+0x30/frame 0xfffffe01f7803aa0
VOP_CREATE_APV() at VOP_CREATE_APV+0x57/frame 0xfffffe01f7803ac0
vn_open_cred() at vn_open_cred+0x46a/frame 0xfffffe01f7803c50
openatfp() at openatfp+0x2ed/frame 0xfffffe01f7803dc0
sys_openat() at sys_openat+0x3d/frame 0xfffffe01f7803df0
amd64_syscall() at amd64_syscall+0x179/frame 0xfffffe01f7803f30
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe01f7803f30
--- syscall (499, FreeBSD ELF64, openat), rip = 0xe9dfaca528a, rsp =
0xe9de648fd18, rbp = 0xe9de648fd50 ---
KDB: enter: panic
Uptime: 18m57s
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