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linux/mm/damon
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Feng Tang d1836a3b2a mm/damon/core-test: initialise context before test in damon_test_set_attrs() 
Running kunit test for 6.5-rc1 hits one bug:

        ok 10 damon_test_update_monitoring_result
    general protection fault, probably for non-canonical address 0x1bffa5c419cfb81: 0000 [#1] PREEMPT SMP NOPTI
    CPU: 1 PID: 110 Comm: kunit_try_catch Tainted: G                 N 6.5.0-rc2 #15
    Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
    RIP: 0010:damon_set_attrs+0xb9/0x120
    Code: f8 00 00 00 4c 8d 58 e0 48 39 c3 74 ba 41 ba 59 17 b7 d1 49 8b 43 10 4d
    8d 4b 10 48 8d 70 e0 49 39 c1 74 50 49 8b 40 08 31 d2 <69> 4e 18 10 27 00 00
    49 f7 30 31 d2 48 89 c5 89 c8 f7 f5 31 d2 89
    RSP: 0000:ffffc900005bfd40 EFLAGS: 00010246
    RAX: ffffffff81159fc0 RBX: ffffc900005bfeb8 RCX: 0000000000000000
    RDX: 0000000000000000 RSI: 01bffa5c419cfb69 RDI: ffffc900005bfd70
    RBP: ffffc90000013c10 R08: ffffc900005bfdc0 R09: ffffffff81ff10ed
    R10: 00000000d1b71759 R11: ffffffff81ff10dd R12: ffffc90000013a78
    R13: ffff88810eb78180 R14: ffffffff818297c0 R15: ffffc90000013c28
    FS:  0000000000000000(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000
    CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
    CR2: 0000000000000000 CR3: 0000000002a1c001 CR4: 0000000000370ee0
    DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
    DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
    Call Trace:
     <TASK>
     damon_test_set_attrs+0x63/0x1f0
     kunit_generic_run_threadfn_adapter+0x17/0x30
     kthread+0xfd/0x130

The problem seems to be related with the damon_ctx was used without
being initialized. Fix it by adding the initialization.

Link: https://lkml.kernel.org/r/20230718052811.1065173-1-feng.tang@intel.com
Fixes: aa13779be6 ("mm/damon/core-test: add a test for damon_set_attrs()")
Signed-off-by: Feng Tang <feng.tang@intel.com>
Reviewed-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-07-27 13:07:03 -07:00
..
core-test.h mm/damon/core-test: initialise context before test in damon_test_set_attrs() 2023-07-27 13:07:03 -07:00
core.c mm/damon/core: fix divide error in damon_nr_accesses_to_accesses_bp() 2023-06-12 11:31:52 -07:00
dbgfs-test.h mm/damon/dbgfs-test: fix is_target_id() change 2022-03-22 15:57:12 -07:00
dbgfs.c mm/damon/dbgfs: print DAMON debugfs interface deprecation message 2023-02-13 15:54:33 -08:00
Kconfig mm/damon/Kconfig: add DAMON debugfs interface deprecation notice 2023-02-13 15:54:32 -08:00
lru_sort.c mm/damon: use kstrtobool() instead of strtobool() 2022-11-30 15:58:45 -08:00
Makefile mm/damon/modules: deduplicate init steps for DAMON context setup 2022-11-30 15:01:26 -08:00
modules-common.c mm/damon/modules: deduplicate init steps for DAMON context setup 2022-11-30 15:01:26 -08:00
modules-common.h mm/damon/modules: deduplicate init steps for DAMON context setup 2022-11-30 15:01:26 -08:00
ops-common.c mm: ptep_get() conversion 2023-06-19 16:19:25 -07:00
ops-common.h mm/damon/ops-common: atomically test and clear young on ptes and pmds 2023-06-09 16:25:55 -07:00
paddr.c mm: ptep_get() conversion 2023-06-19 16:19:25 -07:00
reclaim.c mm/damon/reclaim: add a parameter called skip_anon for avoiding anonymous pages reclamation 2023-01-18 17:12:43 -08:00
sysfs-common.c mm/damon/sysfs: make kobj_type structures constant 2023-02-09 16:51:45 -08:00
sysfs-common.h mm/damon/sysfs: make kobj_type structures constant 2023-02-09 16:51:45 -08:00
sysfs-schemes.c mm/damon/sysfs: make more kobj_type structures constant 2023-04-05 19:42:59 -07:00
sysfs.c mm/damon/sysfs: make kobj_type structures constant 2023-02-09 16:51:45 -08:00
vaddr-test.h mm/damon/vaddr-test.h: stop using vma_mas_store() for maple tree store 2023-02-09 16:51:35 -08:00
vaddr.c mm: ptep_get() conversion 2023-06-19 16:19:25 -07:00