Am 03/04/2024 um 13:46 schrieb Stoiko Ivanov: > copying files within a cifs-share currently result in the following > trace: > ``` > [ 495.388739] BUG: unable to handle page fault for address: fffffffffffffffe > [ 495.388744] #PF: supervisor read access in kernel mode > [ 495.388746] #PF: error_code(0x0000) - not-present page > [ 495.388747] PGD 172c3f067 P4D 172c3f067 PUD 172c41067 PMD 0 > [ 495.388752] Oops: 0000 [#2] PREEMPT SMP NOPTI > [ 495.388754] CPU: 1 PID: 3894 Comm: cp Tainted: G D > 6.5.0-32-generic #32-Ubuntu > > [ 495.388756] Hardware name: > QEMU Standard PC (Q35 + ICH9, 2009), BIOS 4.2023.08-4 02/15/2024 > [ 495.388758] RIP: 0010:cifs_flush_folio+0x41/0xf0 [cifs] > ... > ``` > > a quick check identified proxmox-kernel-6.5.13-2 as the first affected > version, and `2dc07a11e269bfbe5589e99b60cdbae0118be979` as likely > source of the issue. The commit adapts the changes from > `7b2404a886f8b91250c31855d287e632123e1746` to work with the code in > kernel 6.1. > This is not needed as the relevant changes were made in 6.4 and > are already part of the 6.5 tree - > `66dabbb65d673aef40dd17bf62c042be8f6d4a4b` > > reverting the commit fixes copying files within a samba share. > > Tested/reproduced with: > * a VM with the kernel as cifs-client > * one very crude samba-share allowing guest-write access on a Debian > bookworm host > * as well as a share using cifscreds + multiuser (`mount.cifs(8)`) > * mounting the share, copying any file from one directory to another > on the same share (with `cp` and Thunar and Nautilus). > > Reported to Ubuntu upstream at [1]. > > [0] https://lore.kernel.org/linux-mm/zzhrpnj3zxmr8...@eldamar.lan/ > [1] https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2055002 > > Reported-by: Daniela Häsler <dani...@proxmox.com> > Signed-off-by: Stoiko Ivanov <s.iva...@proxmox.com> > --- > ...flushing-folio-regression-for-6.1-ba.patch | 23 +++++++++++++++++++ > 1 file changed, 23 insertions(+) > create mode 100644 > patches/kernel/0014-Revert-cifs-fix-flushing-folio-regression-for-6.1-ba.patch > >
applied, thanks! _______________________________________________ pve-devel mailing list pve-devel@lists.proxmox.com https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-devel