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6f4679b956
This patch fix the below kernel crash.
BUG: Unable to handle kernel data access on read at 0xc000000380000000
Faulting instruction address: 0xc00000000008b6f0
cpu 0x5: Vector: 300 (Data Access) at [c0000000d8587790]
pc: c00000000008b6f0: arch_remove_memory+0x150/0x210
lr: c00000000008b720: arch_remove_memory+0x180/0x210
sp: c0000000d8587a20
msr: 800000000280b033
dar: c000000380000000
dsisr: 40000000
current = 0xc0000000d8558600
paca = 0xc00000000fff8f00 irqmask: 0x03 irq_happened: 0x01
pid = 1220, comm = ndctl
enter ? for help
memunmap_pages+0x33c/0x410
devm_action_release+0x30/0x50
release_nodes+0x30c/0x3a0
device_release_driver_internal+0x178/0x240
unbind_store+0x74/0x190
drv_attr_store+0x44/0x60
sysfs_kf_write+0x74/0xa0
kernfs_fop_write+0x1b0/0x260
__vfs_write+0x3c/0x70
vfs_write+0xe4/0x200
ksys_write+0x7c/0x140
system_call+0x5c/0x68
Fixes:
|
||
|---|---|---|
| .. | ||
| book3s32 | ||
| book3s64 | ||
| kasan | ||
| nohash | ||
| ptdump | ||
| copro_fault.c | ||
| dma-noncoherent.c | ||
| drmem.c | ||
| fault.c | ||
| highmem.c | ||
| hugetlbpage.c | ||
| init_32.c | ||
| init_64.c | ||
| init-common.c | ||
| ioremap_32.c | ||
| ioremap_64.c | ||
| ioremap.c | ||
| Makefile | ||
| mem.c | ||
| mmap.c | ||
| mmu_context.c | ||
| mmu_decl.h | ||
| numa.c | ||
| pgtable_32.c | ||
| pgtable_64.c | ||
| pgtable-frag.c | ||
| pgtable.c | ||
| slice.c | ||