mirror of https://github.com/torvalds/linux.git
1eec00565d
I ran into a bug where the kernel died in the idr code:
cpu 0x1d: Vector: 300 (Data Access) at [c000000b7096f710]
pc: c0000000001f8984: .idr_get_new_above_int+0x140/0x330
lr: c0000000001f89b4: .idr_get_new_above_int+0x170/0x330
sp: c000000b7096f990
msr: 800000000000b032
dar: 0
dsisr: 40010000
current = 0xc000000b70d43830
paca = 0xc000000000556900
pid = 2022, comm = hwup
1d:mon> t
[c000000b7096f990] c0000000000d2ad8 .expand_files+0x2e8/0x364 (unreliable)
[c000000b7096faa0] c0000000001f8bf8 .idr_get_new_above+0x18/0x68
[c000000b7096fb20] c00000000002a054 .init_new_context+0x5c/0xf0
[c000000b7096fbc0] c000000000049dc8 .copy_process+0x91c/0x1404
[c000000b7096fcd0] c00000000004a988 .do_fork+0xd8/0x224
[c000000b7096fdc0] c00000000000ebdc .sys_clone+0x5c/0x74
[c000000b7096fe30] c000000000008950 .ppc_clone+0x8/0xc
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|---|---|---|
| .. | ||
| reed_solomon | ||
| zlib_deflate | ||
| zlib_inflate | ||
| .gitignore | ||
| Kconfig | ||
| Kconfig.debug | ||
| Makefile | ||
| bitmap.c | ||
| bust_spinlocks.c | ||
| cmdline.c | ||
| cpumask.c | ||
| crc-ccitt.c | ||
| crc16.c | ||
| crc32.c | ||
| crc32defs.h | ||
| ctype.c | ||
| dec_and_lock.c | ||
| div64.c | ||
| dump_stack.c | ||
| errno.c | ||
| extable.c | ||
| find_next_bit.c | ||
| gen_crc32table.c | ||
| genalloc.c | ||
| halfmd4.c | ||
| hweight.c | ||
| idr.c | ||
| inflate.c | ||
| int_sqrt.c | ||
| iomap.c | ||
| iomap_copy.c | ||
| kernel_lock.c | ||
| klist.c | ||
| kobject.c | ||
| kobject_uevent.c | ||
| kref.c | ||
| libcrc32c.c | ||
| parser.c | ||
| percpu_counter.c | ||
| prio_tree.c | ||
| radix-tree.c | ||
| rbtree.c | ||
| rwsem-spinlock.c | ||
| rwsem.c | ||
| semaphore-sleepers.c | ||
| sha1.c | ||
| smp_processor_id.c | ||
| sort.c | ||
| spinlock_debug.c | ||
| string.c | ||
| swiotlb.c | ||
| textsearch.c | ||
| ts_bm.c | ||
| ts_fsm.c | ||
| ts_kmp.c | ||
| vsprintf.c | ||