tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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Merge tag 'v6.19-rc3-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6

Pull smb client fixes from Steve French:

- Fix array out of bounds error in copy_file_range

- Add tracepoint to help debug ioctl failures

* tag 'v6.19-rc3-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
smb: client: fix UBSAN array-index-out-of-bounds in smb2_copychunk_range
smb3 client: add missing tracepoint for unsupported ioctls

Linus Torvalds 047b4e78 b69053dd

+10
+3
fs/smb/client/ioctl.c
··· 588 588 break; 589 589 default: 590 590 cifs_dbg(FYI, "unsupported ioctl\n"); 591 + trace_smb3_unsupported_ioctl(xid, 592 + pSMBFile ? pSMBFile->fid.persistent_fid : 0, 593 + command); 591 594 break; 592 595 } 593 596 cifs_ioc_exit:
+6
fs/smb/client/smb2ops.c
··· 1905 1905 src_off_prev = src_off; 1906 1906 dst_off_prev = dst_off; 1907 1907 1908 + /* 1909 + * __counted_by_le(ChunkCount): set to allocated chunks before 1910 + * populating Chunks[] 1911 + */ 1912 + cc_req->ChunkCount = cpu_to_le32(chunk_count); 1913 + 1908 1914 chunks = 0; 1909 1915 copy_bytes = 0; 1910 1916 copy_bytes_left = umin(total_bytes_left, tcon->max_bytes_copy);
+1
fs/smb/client/trace.h
··· 1579 1579 TP_ARGS(xid, fid, command)) 1580 1580 1581 1581 DEFINE_SMB3_IOCTL_EVENT(ioctl); 1582 + DEFINE_SMB3_IOCTL_EVENT(unsupported_ioctl); 1582 1583 1583 1584 DECLARE_EVENT_CLASS(smb3_shutdown_class, 1584 1585 TP_PROTO(__u32 flags,