On Wed, 12 May 2021 00:25:33 -0700, Javed Hasan wrote: > Issue :- BUG: unable to handle kernel NULL pointer dereference at 000000000000003c > On installation of RHEL-8.3.0-20200820.n.0 distro below stack > was generating on error. > > [ 14.042059] Call Trace: > [ 14.042061] <IRQ> > [ 14.042068] qedf_link_update+0x144/0x1f0 [qedf] > [ 14.042117] qed_link_update+0x5c/0x80 [qed] > [ 14.042135] qed_mcp_handle_link_change+0x2d2/0x410 [qed] > [ 14.042155] ? qed_set_ptt+0x70/0x80 [qed] > [ 14.042170] ? qed_set_ptt+0x70/0x80 [qed] > [ 14.042186] ? qed_rd+0x13/0x40 [qed] > [ 14.042205] qed_mcp_handle_events+0x437/0x690 [qed] > [ 14.042221] ? qed_set_ptt+0x70/0x80 [qed] > [ 14.042239] qed_int_sp_dpc+0x3a6/0x3e0 [qed] > [ 14.042245] tasklet_action_common.isra.14+0x5a/0x100 > [ 14.042250] __do_softirq+0xe4/0x2f8 > [ 14.042253] irq_exit+0xf7/0x100 > [ 14.042255] do_IRQ+0x7f/0xd0 > [ 14.042257] common_interrupt+0xf/0xf > [ 14.042259] </IRQ> > > [...] Applied to 5.13/scsi-fixes, thanks! [1/1] qedf: Added NULL pointer checks in qedf_update_link_speed(). https://git.kernel.org/mkp/scsi/c/73578af92a0f -- Martin K. Petersen Oracle Linux Engineering