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spl-list.c list_destroy 71 : ASSERTION(list->list_head.list_next == node) failed #683

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lundman opened this issue Jan 29, 2019 · 0 comments

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@lundman
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commented Jan 29, 2019

Currently in master, we frequently get:

(spl) spl-list.c list_destroy 71 : ASSERTION(list->list_head.list_next == node) failed

which is triggered by:

  0  89131                    assfail:entry
              spl`list_destroy+0xea
              zfs`zfsvfs_free+0x5c
              zfs`zfs_vfs_unmount+0x35b
              kernel.development`dounmount+0x4a9
              kernel.development`unmount+0x155
              kernel.development`unix_syscall64+0x2f8
              kernel.development`hndl_unix_scall64+0x16

And seeing as there is only one list_destroy inside zfsvfs_free():

list_destroy(&zfsvfs->z_all_znodes);

This would imply that sometimes at umount we have not cleared the all-list properly, which could simply be a race (about to be freed) or a leak of vnodes on unmount.

@lundman lundman added the bug label Jan 29, 2019

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