idpf: fix memory leak in idpf_vc_core_deinit()

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[ Upstream commit e111cbc4ad ]

Make sure to free hw->lan_regs. Reported by kmemleak during reset:

unreferenced object 0xff1b913d02a936c0 (size 96):
  comm "kworker/u258:14", pid 2174, jiffies 4294958305
  hex dump (first 32 bytes):
    00 00 00 c0 a8 ba 2d ff 00 00 00 00 00 00 00 00  ......-.........
    00 00 40 08 00 00 00 00 00 00 25 b3 a8 ba 2d ff  ..@.......%...-.
  backtrace (crc 36063c4f):
    __kmalloc_noprof+0x48f/0x890
    idpf_vc_core_init+0x6ce/0x9b0 [idpf]
    idpf_vc_event_task+0x1fb/0x350 [idpf]
    process_one_work+0x226/0x6d0
    worker_thread+0x19e/0x340
    kthread+0x10f/0x250
    ret_from_fork+0x251/0x2b0
    ret_from_fork_asm+0x1a/0x30

Fixes: 6aa53e861c ("idpf: implement get LAN MMIO memory regions")
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Reviewed-by: Joshua Hay <joshua.a.hay@intel.com>
Tested-by: Samuel Salin <Samuel.salin@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

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Emil Tantilov 2025-11-20 16:12:17 -08:00 • committed by Greg Kroah-Hartman

parent ec602a2a40

commit 23391db8a0

1 changed files with 4 additions and 0 deletions

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drivers/net/ethernet/intel/idpf/idpf_virtchnl.c

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