* kmemleak reports leaking in efi_mem_reserve_persistent()
@ 2018-11-29 3:47 Qian Cai
0 siblings, 0 replies; only message in thread
From: Qian Cai @ 2018-11-29 3:47 UTC (permalink / raw)
To: ard.biesheuvel; +Cc: linux-efi, linux-kernel
unreferenced object 0xffff8096c1acf580 (size 128):
comm "swapper/63", pid 0, jiffies 4294937418 (age 1201.230s)
hex dump (first 32 bytes):
80 87 b5 c1 96 00 00 00 00 00 cc c2 16 00 00 00 ................
00 00 01 00 00 00 00 00 6b 6b 6b 6b 6b 6b 6b 6b ........kkkkkkkk
backtrace:
[<000000001d2549ba>] kmem_cache_alloc_trace+0x430/0x500
[<0000000093a6dfab>] efi_mem_reserve_persistent+0x50/0xf8
[<000000000a730828>] its_cpu_init_lpis+0x394/0x4b8
[<00000000edf04e07>] its_cpu_init+0x104/0x150
[<000000004d0342c5>] gic_starting_cpu+0x34/0x40
[<000000005d9da772>] cpuhp_invoke_callback+0x228/0x1d68
[<0000000061eace9b>] notify_cpu_starting+0xc0/0x118
[<0000000048bc2dc5>] secondary_start_kernel+0x23c/0x3b0
[<0000000015137d6a>] 0xffffffffffffffff
# ./scripts/faddr2line vmlinux efi_mem_reserve_persistent+0x50/0xf8
efi_mem_reserve_persistent+0x50/0xf8:
kmalloc at include/linux/slab.h:546
(inlined by) efi_mem_reserve_persistent at drivers/firmware/efi/efi.c:979
This line,
rsv = kmalloc(sizeof(*rsv), GFP_ATOMIC);
I didn't see anything obviously. Is it just a false positive?
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2018-11-29 3:47 kmemleak reports leaking in efi_mem_reserve_persistent() Qian Cai
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