Date: Thu, 05 Sep 2024 14:46:35 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 281291] zfs: panic: MSan: Uninitialized malloc memory from zfs_acl_chmod Message-ID: <bug-281291-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D281291 Bug ID: 281291 Summary: zfs: panic: MSan: Uninitialized malloc memory from zfs_acl_chmod Product: Base System Version: CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: asomers@FreeBSD.org I tried to run the ZFS test suite with a GENERIC-KMSAN kernel. The sys/cddl/zfs/tests/bootfs/bootfs_test:bootfs_005_neg test paniced like this: panic: MSan: Uninitialized malloc memory from zfs_acl_chmod+0x2cd cpuid =3D 6 time =3D 1725502132 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x99/frame 0xfffffe00b4c9c= 540 vpanic() at vpanic+0x56e/frame 0xfffffe00b4c9c6d0 panic() at panic+0x1dd/frame 0xfffffe00b4c9c7e0 __msan_warning() at __msan_warning+0x244/frame 0xfffffe00b4c9c930 lzjb_compress() at lzjb_compress+0x9f6/frame 0xfffffe00b4c9ca70 zio_compress_data() at zio_compress_data+0x388/frame 0xfffffe00b4c9cb40 zio_write_compress() at zio_write_compress+0x12bd/frame 0xfffffe00b4c9cca0 zio_execute() at zio_execute+0x4e0/frame 0xfffffe00b4c9cd30 taskqueue_run_locked() at taskqueue_run_locked+0x607/frame 0xfffffe00b4c9ce= 30 taskqueue_thread_loop() at taskqueue_thread_loop+0x29e/frame 0xfffffe00b4c9= cea0 fork_exit() at fork_exit+0x1ee/frame 0xfffffe00b4c9cf30 fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe00b4c9cf30 --- trap 0x5a5a5a5a, rip =3D 0x5a5a5a5a5a5a5a5a, rsp =3D 0x5a5a5a5a5a5a5a5a= , rbp =3D 0x5a5a5a5a5a5a5a5a --- KDB: enter: panic --=20 You are receiving this mail because: You are the assignee for the bug.=
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