On Aug 27, 2025 / 12:10, Daniel Wagner wrote: > On Wed, Aug 13, 2025 at 10:50:34AM +0000, Shinichiro Kawasaki wrote: > > #4: nvme/061 (fc transport) > > > > The test case nvme/061 sometimes fails for fc transport due to a WARN and > > refcount message "refcount_t: underflow; use-after-free." Refer to the > > report for the v6.15 kernel [5]. > > > > [5] > > https://lore.kernel.org/linux-block/2xsfqvnntjx5iiir7wghhebmnugmpfluv6ef22mghojgk6gilr@mvjscqxroqqk/ > > This one might be fixed with > > https://lore.kernel.org/linux-nvme/20250821-fix-nvmet-fc-v1-1-3349da4f416e@xxxxxxxxxx/ I applied this patch on top of v6.17-rc3 kernel, but still I observe the refcount WARN at nvme/061 with. Said that, I like the patch. This week, I noticed that nvme/030 hangs with fc transport. This hang is rare, but it is recreated in stable manner when I repeat the test case. I tried the fix patch, and it avoided this hang :) Thanks for the fix!
