I saw some test failures in and looking in /var/log/messages I see e.g. Aug 10 14:00:22 fedora29 systemd[1]: Started /usr/bin/bash -c exit 77. Aug 10 14:00:25 fedora29 kernel: kmemleak: 10 new suspected memory leaks (see /sys/kernel/debug/kmemleak) Aug 10 14:00:28 fedora29 kernel: kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) Aug 10 14:00:28 fedora29 kernel: CIFS: Attempting to mount \\win16.vm.test\Scratch Aug 10 14:00:28 fedora29 kernel: CIFS: Attempting to mount \\win16.vm.test\Scratch Aug 10 14:00:29 fedora29 root[6460]: run xfstest cifs/100 Aug 10 14:00:29 fedora29 journal: run fstests cifs/100 at 2021-08-10 14:00:29 Aug 10 14:00:29 fedora29 systemd[1]: Started /usr/bin/bash -c test -w /proc/self/oom_score_adj && echo 250 > /proc/self/oom_score_adj; exec ./tests/cifs/100. Aug 10 14:00:30 fedora29 kernel: general protection fault, probably for non-canonical address 0xdead000000000110: 0000 [#4] SMP PTI Aug 10 14:00:30 fedora29 kernel: CPU: 0 PID: 6624 Comm: rm Tainted: G D 5.14.0-rc4 #1 Aug 10 14:00:30 fedora29 kernel: Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011 Aug 10 14:00:30 fedora29 kernel: RIP: 0010:cifs_close_deferred_file+0x77/0x140 [cifs] Aug 10 14:00:30 fedora29 kernel: Code: 85 de 00 00 00 4c 89 ef e8 06 96 2e e8 48 8b 1c 24 4c 39 e3 74 55 49 bd 00 01 00 00 00 00 ad de 48 bd 22 01 00 00 00 00 ad de <48> 8b 7b 10 31 d2 be 01 00 00 00 e8 a9 c5 fe ff 48 89 df e8 61 46 Aug 10 14:00:30 fedora29 kernel: RSP: 0018:ffffb121806dbdd0 EFLAGS: 00010287 Aug 10 14:00:30 fedora29 kernel: RAX: ffff88dc55b8ca01 RBX: dead000000000100 RCX: 00000000000034d9 Aug 10 14:00:30 fedora29 kernel: RDX: 00000000000034d8 RSI: 67739b6f43694caa RDI: 0000000000032080 and Aug 10 14:00:30 fedora29 kernel: ---[ end trace b062b12a095f4dd5 ]--- Aug 10 14:00:30 fedora29 kernel: RIP: 0010:cifs_close_deferred_file+0x77/0x140 [cifs] Aug 10 14:00:30 fedora29 kernel: Code: 85 de 00 00 00 4c 89 ef e8 06 96 2e e8 48 8b 1c 24 4c 39 e3 74 55 49 bd 00 01 00 00 00 00 ad de 48 bd 22 01 00 00 00 00 ad de <48> 8b 7b 10 31 d2 be 01 00 00 00 e8 a9 c5 fe ff 48 89 df e8 61 46 Aug 10 14:00:30 fedora29 kernel: RSP: 0018:ffffb12180f0fc80 EFLAGS: 00010283 Aug 10 14:00:30 fedora29 kernel: RAX: ffff88dc5b2ca201 RBX: dead000000000100 RCX: 0000000000002367 Aug 10 14:00:30 fedora29 kernel: RDX: 0000000000002366 RSI: 67100f614dfd246a RDI: 0000000000032080 Aug 10 14:00:30 fedora29 kernel: RBP: dead000000000122 R08: 0000000000000001 R09: 0000000000000001 Aug 10 14:00:30 fedora29 kernel: R10: ffffb12180f0fba0 R11: 0000000000000001 R12: ffffb12180f0fc80 On Tue, Aug 10, 2021 at 12:29 PM Rohith Surabattula <rohiths.msft@xxxxxxxxx> wrote: > > Hi All, > > Have updated the patch to fix the memleak. > > Regards, > Rohith > > On Tue, Aug 10, 2021 at 5:18 PM Shyam Prasad N <nspmangalore@xxxxxxxxx> wrote: > > > > Already gave my review comments along with this one to the other email. > > > > Reviewed-by: Shyam Prasad N <sprasad@xxxxxxxxxxxxx> > > > > On Mon, Aug 9, 2021 at 3:28 PM Rohith Surabattula > > <rohiths.msft@xxxxxxxxx> wrote: > > > > > > Hi Steve/All, > > > > > > During unlink/rename/lease break, deferred work for close is > > > scheduled immediately but in asynchronous manner which might > > > lead to race with actual(unlink/rename) commands. > > > > > > This change will schedule close synchronously which will avoid > > > the race conditions with other commands. > > > > > > Regards, > > > Rohith > > > > > > > > -- > > Regards, > > Shyam -- Thanks, Steve