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Message-ID: <b9dc8d35-a3b0-261a-b1a4-5f4d33406095@csgroup.eu>
Date: Tue, 2 Mar 2021 10:05:41 +0100
From: Christophe Leroy <christophe.leroy@...roup.eu>
To: Marco Elver <elver@...gle.com>
Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Paul Mackerras <paulus@...ba.org>,
Michael Ellerman <mpe@...erman.id.au>,
Alexander Potapenko <glider@...gle.com>,
Dmitry Vyukov <dvyukov@...gle.com>,
LKML <linux-kernel@...r.kernel.org>,
linuxppc-dev@...ts.ozlabs.org,
kasan-dev <kasan-dev@...glegroups.com>
Subject: Re: [RFC PATCH v1] powerpc: Enable KFENCE for PPC32
Le 02/03/2021 à 09:58, Marco Elver a écrit :
> On Tue, 2 Mar 2021 at 09:37, Christophe Leroy
> <christophe.leroy@...roup.eu> wrote:
>> Add architecture specific implementation details for KFENCE and enable
>> KFENCE for the ppc32 architecture. In particular, this implements the
>> required interface in <asm/kfence.h>.
>
> Nice!
>
>> KFENCE requires that attributes for pages from its memory pool can
>> individually be set. Therefore, force the Read/Write linear map to be
>> mapped at page granularity.
>>
>> Unit tests succeed on all tests but one:
>>
>> [ 15.053324] # test_invalid_access: EXPECTATION FAILED at mm/kfence/kfence_test.c:636
>> [ 15.053324] Expected report_matches(&expect) to be true, but is false
>> [ 15.068359] not ok 21 - test_invalid_access
>
> This is strange, given all the other tests passed. Do you mind sharing
> the full test log?
>
[ 0.000000] Linux version 5.12.0-rc1-s3k-dev-01534-g4f14ae75edf0-dirty
(root@...alhost.localdomain) (powerpc64-linux-gcc (GCC) 10.1.0, GNU ld (GNU Binutils) 2.34) #4674
PREEMPT Tue Mar 2 08:18:49 UTC 2021
[ 0.000000] Using CMPCPRO machine description
[ 0.000000] Found legacy serial port 0 for /soc8321@...00000/serial@...0
[ 0.000000] mem=b0004500, taddr=b0004500, irq=0, clk=133333334, speed=0
[ 0.000000] Found legacy serial port 1 for /soc8321@...00000/serial@...0
[ 0.000000] mem=b0004600, taddr=b0004600, irq=0, clk=133333334, speed=0
[ 0.000000] ioremap() called early from find_legacy_serial_ports+0x3e4/0x4d8. Use early_ioremap()
instead
[ 0.000000] printk: bootconsole [udbg0] enabled
[ 0.000000] -----------------------------------------------------
[ 0.000000] phys_mem_size = 0x20000000
[ 0.000000] dcache_bsize = 0x20
[ 0.000000] icache_bsize = 0x20
[ 0.000000] cpu_features = 0x0000000001000140
[ 0.000000] possible = 0x00000000277ce140
[ 0.000000] always = 0x0000000001000000
[ 0.000000] cpu_user_features = 0x84000000 0x00000000
[ 0.000000] mmu_features = 0x00210000
[ 0.000000] Hash_size = 0x0
[ 0.000000] -----------------------------------------------------
[ 0.000000] Top of RAM: 0x20000000, Total RAM: 0x20000000
[ 0.000000] Memory hole size: 0MB
[ 0.000000] Zone ranges:
[ 0.000000] Normal [mem 0x0000000000000000-0x000000001fffffff]
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x0000000000000000-0x000000001fffffff]
[ 0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x000000001fffffff]
[ 0.000000] On node 0 totalpages: 131072
[ 0.000000] Normal zone: 1024 pages used for memmap
[ 0.000000] Normal zone: 0 pages reserved
[ 0.000000] Normal zone: 131072 pages, LIFO batch:31
[ 0.000000] pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768
[ 0.000000] pcpu-alloc: [0] 0
[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 130048
[ 0.000000] Kernel command line: ip=192.168.0.3:192.168.0.1::255.0.0.0:vgoippro:eth0:off
console=ttyS0,115200
[ 0.000000] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes, linear)
[ 0.000000] Inode-cache hash table entries: 32768 (order: 5, 131072 bytes, linear)
[ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
[ 0.000000] Memory: 503516K/524288K available (7532K kernel code, 2236K rwdata, 1328K rodata,
1500K init, 931K bss, 20772K reserved, 0K cma-reserved)
[ 0.000000] Kernel virtual memory layout:
[ 0.000000] * 0xff7ff000..0xfffff000 : fixmap
[ 0.000000] * 0xff7fd000..0xff7ff000 : early ioremap
[ 0.000000] * 0xe1000000..0xff7fd000 : vmalloc & ioremap
[ 0.000000] SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[ 0.000000] rcu: Preemptible hierarchical RCU implementation.
[ 0.000000] rcu: RCU event tracing is enabled.
[ 0.000000] Trampoline variant of Tasks RCU enabled.
[ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies.
[ 0.000000] NR_IRQS: 512, nr_irqs: 512, preallocated irqs: 16
[ 0.000000] IPIC (128 IRQ sources) at (ptrval)
[ 0.000000] kfence: initialized - using 2097152 bytes for 255 objects at 0x(ptrval)-0x(ptrval)
...
[ 4.472455] # Subtest: kfence
[ 4.472490] 1..25
[ 4.476069] # test_out_of_bounds_read: test_alloc: size=32, gfp=cc0, policy=left, cache=0
[ 4.946420] ==================================================================
[ 4.953667] BUG: KFENCE: out-of-bounds read in test_out_of_bounds_read+0x90/0x228
[ 4.953667]
[ 4.962657] Out-of-bounds read at 0x(ptrval) (1B left of kfence-#23):
[ 4.969109] test_out_of_bounds_read+0x90/0x228
[ 4.973663] kunit_try_run_case+0x5c/0xd0
[ 4.977712] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 4.983128] kthread+0x15c/0x174
[ 4.986387] ret_from_kernel_thread+0x14/0x1c
[ 4.990774]
[ 4.992274] kfence-#23 [0x(ptrval)-0x(ptrval), size=32, cache=kmalloc-32] allocated by task 91:
[ 5.000997] test_alloc+0x10c/0x384
[ 5.004508] test_out_of_bounds_read+0x90/0x228
[ 5.009057] kunit_try_run_case+0x5c/0xd0
[ 5.013093] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 5.018505] kthread+0x15c/0x174
[ 5.021758] ret_from_kernel_thread+0x14/0x1c
[ 5.026139]
[ 5.027641] CPU: 0 PID: 91 Comm: kunit_try_catch Not tainted
5.12.0-rc1-s3k-dev-01534-g4f14ae75edf0-dirty #4674
[ 5.037729] ==================================================================
[ 5.045220] # test_out_of_bounds_read: test_alloc: size=32, gfp=cc0, policy=right, cache=0
[ 5.146454] ==================================================================
[ 5.153698] BUG: KFENCE: out-of-bounds read in test_out_of_bounds_read+0x14c/0x228
[ 5.153698]
[ 5.162770] Out-of-bounds read at 0x(ptrval) (32B right of kfence-#24):
[ 5.169395] test_out_of_bounds_read+0x14c/0x228
[ 5.174037] kunit_try_run_case+0x5c/0xd0
[ 5.178085] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 5.183501] kthread+0x15c/0x174
[ 5.186758] ret_from_kernel_thread+0x14/0x1c
[ 5.191145]
[ 5.192645] kfence-#24 [0x(ptrval)-0x(ptrval), size=32, cache=kmalloc-32] allocated by task 91:
[ 5.201366] test_alloc+0x10c/0x384
[ 5.204878] test_out_of_bounds_read+0x14c/0x228
[ 5.209514] kunit_try_run_case+0x5c/0xd0
[ 5.213552] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 5.218965] kthread+0x15c/0x174
[ 5.222219] ret_from_kernel_thread+0x14/0x1c
[ 5.226600]
[ 5.228103] CPU: 0 PID: 91 Comm: kunit_try_catch Tainted: G B
5.12.0-rc1-s3k-dev-01534-g4f14ae75edf0-dirty #4674
[ 5.239575] ==================================================================
[ 5.247126] ok 1 - test_out_of_bounds_read
[ 5.247534] # test_out_of_bounds_read-memcache: setup_test_cache: size=32, ctor=0x0
[ 5.260310] # test_out_of_bounds_read-memcache: test_alloc: size=32, gfp=cc0, policy=left,
cache=1
[ 5.356422] ==================================================================
[ 5.363670] BUG: KFENCE: out-of-bounds read in test_out_of_bounds_read+0x90/0x228
[ 5.363670]
[ 5.372661] Out-of-bounds read at 0x(ptrval) (1B left of kfence-#25):
[ 5.379115] test_out_of_bounds_read+0x90/0x228
[ 5.383671] kunit_try_run_case+0x5c/0xd0
[ 5.387720] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 5.393138] kthread+0x15c/0x174
[ 5.396398] ret_from_kernel_thread+0x14/0x1c
[ 5.400786]
[ 5.402287] kfence-#25 [0x(ptrval)-0x(ptrval), size=32, cache=test] allocated by task 92:
[ 5.410490] test_alloc+0xfc/0x384
[ 5.413918] test_out_of_bounds_read+0x90/0x228
[ 5.418470] kunit_try_run_case+0x5c/0xd0
[ 5.422511] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 5.427926] kthread+0x15c/0x174
[ 5.431180] ret_from_kernel_thread+0x14/0x1c
[ 5.435563]
[ 5.437067] CPU: 0 PID: 92 Comm: kunit_try_catch Tainted: G B
5.12.0-rc1-s3k-dev-01534-g4f14ae75edf0-dirty #4674
[ 5.448539] ==================================================================
[ 5.456076] # test_out_of_bounds_read-memcache: test_alloc: size=32, gfp=cc0, policy=right,
cache=1
[ 5.556454] ==================================================================
[ 5.563701] BUG: KFENCE: out-of-bounds read in test_out_of_bounds_read+0x14c/0x228
[ 5.563701]
[ 5.572774] Out-of-bounds read at 0x(ptrval) (32B right of kfence-#26):
[ 5.579400] test_out_of_bounds_read+0x14c/0x228
[ 5.584042] kunit_try_run_case+0x5c/0xd0
[ 5.588091] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 5.593509] kthread+0x15c/0x174
[ 5.596768] ret_from_kernel_thread+0x14/0x1c
[ 5.601155]
[ 5.602656] kfence-#26 [0x(ptrval)-0x(ptrval), size=32, cache=test] allocated by task 92:
[ 5.610861] test_alloc+0xfc/0x384
[ 5.614288] test_out_of_bounds_read+0x14c/0x228
[ 5.618927] kunit_try_run_case+0x5c/0xd0
[ 5.622966] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 5.628382] kthread+0x15c/0x174
[ 5.631637] ret_from_kernel_thread+0x14/0x1c
[ 5.636019]
[ 5.637522] CPU: 0 PID: 92 Comm: kunit_try_catch Tainted: G B
5.12.0-rc1-s3k-dev-01534-g4f14ae75edf0-dirty #4674
[ 5.648993] ==================================================================
[ 5.656810] ok 2 - test_out_of_bounds_read-memcache
[ 5.657178] # test_out_of_bounds_write: test_alloc: size=32, gfp=cc0, policy=left, cache=0
[ 5.766441] ==================================================================
[ 5.773686] BUG: KFENCE: out-of-bounds write in test_out_of_bounds_write+0x78/0x164
[ 5.773686]
[ 5.782848] Out-of-bounds write at 0x(ptrval) (1B left of kfence-#27):
[ 5.789387] test_out_of_bounds_write+0x78/0x164
[ 5.794029] kunit_try_run_case+0x5c/0xd0
[ 5.798078] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 5.803494] kthread+0x15c/0x174
[ 5.806753] ret_from_kernel_thread+0x14/0x1c
[ 5.811138]
[ 5.812638] kfence-#27 [0x(ptrval)-0x(ptrval), size=32, cache=kmalloc-32] allocated by task 93:
[ 5.821357] test_alloc+0x10c/0x384
[ 5.824868] test_out_of_bounds_write+0x78/0x164
[ 5.829503] kunit_try_run_case+0x5c/0xd0
[ 5.833538] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 5.838949] kthread+0x15c/0x174
[ 5.842202] ret_from_kernel_thread+0x14/0x1c
[ 5.846580]
[ 5.848083] CPU: 0 PID: 93 Comm: kunit_try_catch Tainted: G B
5.12.0-rc1-s3k-dev-01534-g4f14ae75edf0-dirty #4674
[ 5.859554] ==================================================================
[ 5.867115] ok 3 - test_out_of_bounds_write
[ 5.867476] # test_out_of_bounds_write-memcache: setup_test_cache: size=32, ctor=0x0
[ 5.880408] # test_out_of_bounds_write-memcache: test_alloc: size=32, gfp=cc0, policy=left,
cache=1
[ 5.976421] ==================================================================
[ 5.983669] BUG: KFENCE: out-of-bounds write in test_out_of_bounds_write+0x78/0x164
[ 5.983669]
[ 5.992834] Out-of-bounds write at 0x(ptrval) (1B left of kfence-#28):
[ 5.999374] test_out_of_bounds_write+0x78/0x164
[ 6.004016] kunit_try_run_case+0x5c/0xd0
[ 6.008065] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 6.013481] kthread+0x15c/0x174
[ 6.016741] ret_from_kernel_thread+0x14/0x1c
[ 6.021128]
[ 6.022631] kfence-#28 [0x(ptrval)-0x(ptrval), size=32, cache=test] allocated by task 94:
[ 6.030835] test_alloc+0xfc/0x384
[ 6.034263] test_out_of_bounds_write+0x78/0x164
[ 6.038903] kunit_try_run_case+0x5c/0xd0
[ 6.042944] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 6.048359] kthread+0x15c/0x174
[ 6.051615] ret_from_kernel_thread+0x14/0x1c
[ 6.055998]
[ 6.057501] CPU: 0 PID: 94 Comm: kunit_try_catch Tainted: G B
5.12.0-rc1-s3k-dev-01534-g4f14ae75edf0-dirty #4674
[ 6.068973] ==================================================================
[ 6.076743] ok 4 - test_out_of_bounds_write-memcache
[ 6.077110] # test_use_after_free_read: test_alloc: size=32, gfp=cc0, policy=any, cache=0
[ 6.186527] ==================================================================
[ 6.193773] BUG: KFENCE: use-after-free read in test_use_after_free_read+0xa0/0x158
[ 6.193773]
[ 6.202934] Use-after-free read at 0x(ptrval) (in kfence-#29):
[ 6.208777] test_use_after_free_read+0xa0/0x158
[ 6.213417] kunit_try_run_case+0x5c/0xd0
[ 6.217466] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 6.222882] kthread+0x15c/0x174
[ 6.226140] ret_from_kernel_thread+0x14/0x1c
[ 6.230526]
[ 6.232026] kfence-#29 [0x(ptrval)-0x(ptrval), size=32, cache=kmalloc-32] allocated by task 95:
[ 6.240746] test_alloc+0x10c/0x384
[ 6.244257] test_use_after_free_read+0x7c/0x158
[ 6.248892] kunit_try_run_case+0x5c/0xd0
[ 6.252927] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 6.258337] kthread+0x15c/0x174
[ 6.261590] ret_from_kernel_thread+0x14/0x1c
[ 6.265969]
[ 6.265969] freed by task 95:
[ 6.270467] test_use_after_free_read+0xa0/0x158
[ 6.275108] kunit_try_run_case+0x5c/0xd0
[ 6.279141] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 6.284551] kthread+0x15c/0x174
[ 6.287802] ret_from_kernel_thread+0x14/0x1c
[ 6.292180]
[ 6.293682] CPU: 0 PID: 95 Comm: kunit_try_catch Tainted: G B
5.12.0-rc1-s3k-dev-01534-g4f14ae75edf0-dirty #4674
[ 6.305153] ==================================================================
[ 6.312658] ok 5 - test_use_after_free_read
[ 6.313020] # test_use_after_free_read-memcache: setup_test_cache: size=32, ctor=0x0
[ 6.325976] # test_use_after_free_read-memcache: test_alloc: size=32, gfp=cc0, policy=any,
cache=1
[ 6.416496] ==================================================================
[ 6.423743] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x98/0x158
[ 6.423743]
[ 6.432908] Use-after-free read at 0x(ptrval) (in kfence-#30):
[ 6.438752] test_use_after_free_read+0x98/0x158
[ 6.443395] kunit_try_run_case+0x5c/0xd0
[ 6.447445] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 6.452863] kthread+0x15c/0x174
[ 6.456124] ret_from_kernel_thread+0x14/0x1c
[ 6.460511]
[ 6.462014] kfence-#30 [0x(ptrval)-0x(ptrval), size=32, cache=test] allocated by task 96:
[ 6.470219] test_alloc+0xfc/0x384
[ 6.473646] test_use_after_free_read+0x7c/0x158
[ 6.478286] kunit_try_run_case+0x5c/0xd0
[ 6.482327] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 6.487742] kthread+0x15c/0x174
[ 6.490998] ret_from_kernel_thread+0x14/0x1c
[ 6.495381]
[ 6.495381] freed by task 96:
[ 6.499849] test_use_after_free_read+0x98/0x158
[ 6.504490] kunit_try_run_case+0x5c/0xd0
[ 6.508530] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 6.513945] kthread+0x15c/0x174
[ 6.517201] ret_from_kernel_thread+0x14/0x1c
[ 6.521583]
[ 6.523086] CPU: 0 PID: 96 Comm: kunit_try_catch Tainted: G B
5.12.0-rc1-s3k-dev-01534-g4f14ae75edf0-dirty #4674
[ 6.534558] ==================================================================
[ 6.542222] ok 6 - test_use_after_free_read-memcache
[ 6.542587] # test_double_free: test_alloc: size=32, gfp=cc0, policy=any, cache=0
[ 6.646612] ==================================================================
[ 6.653855] BUG: KFENCE: invalid free in test_double_free+0xc0/0x170
[ 6.653855]
[ 6.661704] Invalid free of 0x(ptrval) (in kfence-#31):
[ 6.666940] test_double_free+0xc0/0x170
[ 6.670889] kunit_try_run_case+0x5c/0xd0
[ 6.674928] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 6.680341] kthread+0x15c/0x174
[ 6.683596] ret_from_kernel_thread+0x14/0x1c
[ 6.687977]
[ 6.689478] kfence-#31 [0x(ptrval)-0x(ptrval), size=32, cache=kmalloc-32] allocated by task 97:
[ 6.698196] test_alloc+0x10c/0x384
[ 6.701706] test_double_free+0x7c/0x170
[ 6.705649] kunit_try_run_case+0x5c/0xd0
[ 6.709685] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 6.715096] kthread+0x15c/0x174
[ 6.718347] ret_from_kernel_thread+0x14/0x1c
[ 6.722725]
[ 6.722725] freed by task 97:
[ 6.727222] test_double_free+0xa0/0x170
[ 6.731169] kunit_try_run_case+0x5c/0xd0
[ 6.735203] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 6.740615] kthread+0x15c/0x174
[ 6.743865] ret_from_kernel_thread+0x14/0x1c
[ 6.748243]
[ 6.749746] CPU: 0 PID: 97 Comm: kunit_try_catch Tainted: G B
5.12.0-rc1-s3k-dev-01534-g4f14ae75edf0-dirty #4674
[ 6.761217] ==================================================================
[ 6.768683] ok 7 - test_double_free
[ 6.769043] # test_double_free-memcache: setup_test_cache: size=32, ctor=0x0
[ 6.780589] # test_double_free-memcache: test_alloc: size=32, gfp=cc0, policy=any, cache=1
[ 6.876516] ==================================================================
[ 6.883761] BUG: KFENCE: invalid free in test_double_free+0xb4/0x170
[ 6.883761]
[ 6.891612] Invalid free of 0x(ptrval) (in kfence-#32):
[ 6.896854] test_double_free+0xb4/0x170
[ 6.900807] kunit_try_run_case+0x5c/0xd0
[ 6.904857] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 6.910277] kthread+0x15c/0x174
[ 6.913540] ret_from_kernel_thread+0x14/0x1c
[ 6.917930]
[ 6.919432] kfence-#32 [0x(ptrval)-0x(ptrval), size=32, cache=test] allocated by task 98:
[ 6.927637] test_alloc+0xfc/0x384
[ 6.931067] test_double_free+0x7c/0x170
[ 6.935015] kunit_try_run_case+0x5c/0xd0
[ 6.939057] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 6.944473] kthread+0x15c/0x174
[ 6.947728] ret_from_kernel_thread+0x14/0x1c
[ 6.952113]
[ 6.952113] freed by task 98:
[ 6.956579] test_double_free+0x98/0x170
[ 6.960528] kunit_try_run_case+0x5c/0xd0
[ 6.964570] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 6.969985] kthread+0x15c/0x174
[ 6.973242] ret_from_kernel_thread+0x14/0x1c
[ 6.977626]
[ 6.979130] CPU: 0 PID: 98 Comm: kunit_try_catch Tainted: G B
5.12.0-rc1-s3k-dev-01534-g4f14ae75edf0-dirty #4674
[ 6.990602] ==================================================================
[ 6.998260] ok 8 - test_double_free-memcache
[ 6.998626] # test_invalid_addr_free: test_alloc: size=32, gfp=cc0, policy=any, cache=0
[ 7.106546] ==================================================================
[ 7.113790] BUG: KFENCE: invalid free in test_invalid_addr_free+0xa4/0x178
[ 7.113790]
[ 7.122159] Invalid free of 0x(ptrval) (in kfence-#33):
[ 7.127397] test_invalid_addr_free+0xa4/0x178
[ 7.131867] kunit_try_run_case+0x5c/0xd0
[ 7.135907] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 7.141323] kthread+0x15c/0x174
[ 7.144576] ret_from_kernel_thread+0x14/0x1c
[ 7.148959]
[ 7.150460] kfence-#33 [0x(ptrval)-0x(ptrval), size=32, cache=kmalloc-32] allocated by task 99:
[ 7.159179] test_alloc+0x10c/0x384
[ 7.162692] test_invalid_addr_free+0x78/0x178
[ 7.167157] kunit_try_run_case+0x5c/0xd0
[ 7.171195] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 7.176608] kthread+0x15c/0x174
[ 7.179862] ret_from_kernel_thread+0x14/0x1c
[ 7.184245]
[ 7.185748] CPU: 0 PID: 99 Comm: kunit_try_catch Tainted: G B
5.12.0-rc1-s3k-dev-01534-g4f14ae75edf0-dirty #4674
[ 7.197220] ==================================================================
[ 7.204816] ok 9 - test_invalid_addr_free
[ 7.205177] # test_invalid_addr_free-memcache: setup_test_cache: size=32, ctor=0x0
[ 7.217849] # test_invalid_addr_free-memcache: test_alloc: size=32, gfp=cc0, policy=any, cache=1
[ 7.306455] ==================================================================
[ 7.313701] BUG: KFENCE: invalid free in test_invalid_addr_free+0x98/0x178
[ 7.313701]
[ 7.322070] Invalid free of 0x(ptrval) (in kfence-#34):
[ 7.327310] test_invalid_addr_free+0x98/0x178
[ 7.331781] kunit_try_run_case+0x5c/0xd0
[ 7.335832] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 7.341252] kthread+0x15c/0x174
[ 7.344514] ret_from_kernel_thread+0x14/0x1c
[ 7.348903]
[ 7.350405] kfence-#34 [0x(ptrval)-0x(ptrval), size=32, cache=test] allocated by task 100:
[ 7.358695] test_alloc+0xfc/0x384
[ 7.362125] test_invalid_addr_free+0x78/0x178
[ 7.366591] kunit_try_run_case+0x5c/0xd0
[ 7.370631] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 7.376047] kthread+0x15c/0x174
[ 7.379303] ret_from_kernel_thread+0x14/0x1c
[ 7.383687]
[ 7.385191] CPU: 0 PID: 100 Comm: kunit_try_catch Tainted: G B
5.12.0-rc1-s3k-dev-01534-g4f14ae75edf0-dirty #4674
[ 7.396751] ==================================================================
[ 7.404531] ok 10 - test_invalid_addr_free-memcache
[ 7.404897] # test_corruption: test_alloc: size=32, gfp=cc0, policy=left, cache=0
[ 7.506510] ==================================================================
[ 7.513754] BUG: KFENCE: memory corruption in test_corruption+0xac/0x20c
[ 7.513754]
[ 7.521951] Corrupted memory at 0x(ptrval) [ ! . . . . . . . . . . . . . . . ] (in kfence-#35):
[ 7.530760] test_corruption+0xac/0x20c
[ 7.534624] kunit_try_run_case+0x5c/0xd0
[ 7.538664] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 7.544080] kthread+0x15c/0x174
[ 7.547335] ret_from_kernel_thread+0x14/0x1c
[ 7.551719]
[ 7.553219] kfence-#35 [0x(ptrval)-0x(ptrval), size=32, cache=kmalloc-32] allocated by task 101:
[ 7.562027] test_alloc+0x10c/0x384
[ 7.565540] test_corruption+0x7c/0x20c
[ 7.569399] kunit_try_run_case+0x5c/0xd0
[ 7.573437] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 7.578850] kthread+0x15c/0x174
[ 7.582104] ret_from_kernel_thread+0x14/0x1c
[ 7.586485]
[ 7.587988] CPU: 0 PID: 101 Comm: kunit_try_catch Tainted: G B
5.12.0-rc1-s3k-dev-01534-g4f14ae75edf0-dirty #4674
[ 7.599545] ==================================================================
[ 7.606994] # test_corruption: test_alloc: size=32, gfp=cc0, policy=right, cache=0
[ 7.976603] ==================================================================
[ 7.983846] BUG: KFENCE: memory corruption in test_corruption+0x168/0x20c
[ 7.983846]
[ 7.992128] Corrupted memory at 0x(ptrval) [ ! ] (in kfence-#38):
[ 7.998258] test_corruption+0x168/0x20c
[ 8.002208] kunit_try_run_case+0x5c/0xd0
[ 8.006247] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 8.011661] kthread+0x15c/0x174
[ 8.014915] ret_from_kernel_thread+0x14/0x1c
[ 8.019297]
[ 8.020797] kfence-#38 [0x(ptrval)-0x(ptrval), size=32, cache=kmalloc-32] allocated by task 101:
[ 8.029603] test_alloc+0x10c/0x384
[ 8.033114] test_corruption+0x138/0x20c
[ 8.037057] kunit_try_run_case+0x5c/0xd0
[ 8.041092] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 8.046503] kthread+0x15c/0x174
[ 8.049752] ret_from_kernel_thread+0x14/0x1c
[ 8.054131]
[ 8.055633] CPU: 0 PID: 101 Comm: kunit_try_catch Tainted: G B
5.12.0-rc1-s3k-dev-01534-g4f14ae75edf0-dirty #4674
[ 8.067190] ==================================================================
[ 8.074671] ok 11 - test_corruption
[ 8.075043] # test_corruption-memcache: setup_test_cache: size=32, ctor=0x0
[ 8.086586] # test_corruption-memcache: test_alloc: size=32, gfp=cc0, policy=left, cache=1
[ 8.436449] ==================================================================
[ 8.443694] BUG: KFENCE: memory corruption in test_corruption+0xa4/0x20c
[ 8.443694]
[ 8.451888] Corrupted memory at 0x(ptrval) [ ! . . . . . . . . . . . . . . . ] (in kfence-#41):
[ 8.460709] test_corruption+0xa4/0x20c
[ 8.464573] kunit_try_run_case+0x5c/0xd0
[ 8.468622] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 8.474039] kthread+0x15c/0x174
[ 8.477298] ret_from_kernel_thread+0x14/0x1c
[ 8.481685]
[ 8.483187] kfence-#41 [0x(ptrval)-0x(ptrval), size=32, cache=test] allocated by task 102:
[ 8.491476] test_alloc+0xfc/0x384
[ 8.494904] test_corruption+0x7c/0x20c
[ 8.498763] kunit_try_run_case+0x5c/0xd0
[ 8.502801] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 8.508215] kthread+0x15c/0x174
[ 8.511468] ret_from_kernel_thread+0x14/0x1c
[ 8.515849]
[ 8.517352] CPU: 0 PID: 102 Comm: kunit_try_catch Tainted: G B
5.12.0-rc1-s3k-dev-01534-g4f14ae75edf0-dirty #4674
[ 8.528910] ==================================================================
[ 8.536421] # test_corruption-memcache: test_alloc: size=32, gfp=cc0, policy=right, cache=1
[ 8.646543] ==================================================================
[ 8.653786] BUG: KFENCE: memory corruption in test_corruption+0x160/0x20c
[ 8.653786]
[ 8.662066] Corrupted memory at 0x(ptrval) [ ! ] (in kfence-#42):
[ 8.668201] test_corruption+0x160/0x20c
[ 8.672151] kunit_try_run_case+0x5c/0xd0
[ 8.676199] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 8.681615] kthread+0x15c/0x174
[ 8.684872] ret_from_kernel_thread+0x14/0x1c
[ 8.689259]
[ 8.690760] kfence-#42 [0x(ptrval)-0x(ptrval), size=32, cache=test] allocated by task 102:
[ 8.699050] test_alloc+0xfc/0x384
[ 8.702477] test_corruption+0x138/0x20c
[ 8.706422] kunit_try_run_case+0x5c/0xd0
[ 8.710461] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 8.715875] kthread+0x15c/0x174
[ 8.719130] ret_from_kernel_thread+0x14/0x1c
[ 8.723511]
[ 8.725014] CPU: 0 PID: 102 Comm: kunit_try_catch Tainted: G B
5.12.0-rc1-s3k-dev-01534-g4f14ae75edf0-dirty #4674
[ 8.736572] ==================================================================
[ 8.744274] ok 12 - test_corruption-memcache
[ 8.744642] # test_free_bulk: test_alloc: size=108, gfp=cc0, policy=right, cache=0
[ 8.846447] # test_free_bulk: test_alloc: size=108, gfp=cc0, policy=none, cache=0
[ 8.854317] # test_free_bulk: test_alloc: size=108, gfp=cc0, policy=left, cache=0
[ 8.976407] # test_free_bulk: test_alloc: size=108, gfp=cc0, policy=none, cache=0
[ 8.984275] # test_free_bulk: test_alloc: size=108, gfp=cc0, policy=none, cache=0
[ 8.992322] # test_free_bulk: test_alloc: size=279, gfp=cc0, policy=right, cache=0
[ 9.496452] # test_free_bulk: test_alloc: size=279, gfp=cc0, policy=none, cache=0
[ 9.504323] # test_free_bulk: test_alloc: size=279, gfp=cc0, policy=left, cache=0
[ 9.626404] # test_free_bulk: test_alloc: size=279, gfp=cc0, policy=none, cache=0
[ 9.634272] # test_free_bulk: test_alloc: size=279, gfp=cc0, policy=none, cache=0
[ 9.642331] # test_free_bulk: test_alloc: size=168, gfp=cc0, policy=right, cache=0
[ 9.886438] # test_free_bulk: test_alloc: size=168, gfp=cc0, policy=none, cache=0
[ 9.894309] # test_free_bulk: test_alloc: size=168, gfp=cc0, policy=left, cache=0
[ 10.146407] # test_free_bulk: test_alloc: size=168, gfp=cc0, policy=none, cache=0
[ 10.154277] # test_free_bulk: test_alloc: size=168, gfp=cc0, policy=none, cache=0
[ 10.162329] # test_free_bulk: test_alloc: size=95, gfp=cc0, policy=right, cache=0
[ 10.406442] # test_free_bulk: test_alloc: size=95, gfp=cc0, policy=none, cache=0
[ 10.414225] # test_free_bulk: test_alloc: size=95, gfp=cc0, policy=left, cache=0
[ 10.796405] # test_free_bulk: test_alloc: size=95, gfp=cc0, policy=none, cache=0
[ 10.804189] # test_free_bulk: test_alloc: size=95, gfp=cc0, policy=none, cache=0
[ 10.812156] # test_free_bulk: test_alloc: size=214, gfp=cc0, policy=right, cache=0
[ 11.056442] # test_free_bulk: test_alloc: size=214, gfp=cc0, policy=none, cache=0
[ 11.064312] # test_free_bulk: test_alloc: size=214, gfp=cc0, policy=left, cache=0
[ 11.186407] # test_free_bulk: test_alloc: size=214, gfp=cc0, policy=none, cache=0
[ 11.194276] # test_free_bulk: test_alloc: size=214, gfp=cc0, policy=none, cache=0
[ 11.202357] ok 13 - test_free_bulk
[ 11.202730] # test_free_bulk-memcache: setup_test_cache: size=264, ctor=0x0
[ 11.214213] # test_free_bulk-memcache: test_alloc: size=264, gfp=cc0, policy=right, cache=1
[ 11.316443] # test_free_bulk-memcache: test_alloc: size=264, gfp=cc0, policy=none, cache=1
[ 11.325092] # test_free_bulk-memcache: test_alloc: size=264, gfp=cc0, policy=left, cache=1
[ 11.706404] # test_free_bulk-memcache: test_alloc: size=264, gfp=cc0, policy=none, cache=1
[ 11.715052] # test_free_bulk-memcache: test_alloc: size=264, gfp=cc0, policy=none, cache=1
[ 11.724042] # test_free_bulk-memcache: setup_test_cache: size=58, ctor=ctor_set_x
[ 11.732296] # test_free_bulk-memcache: test_alloc: size=58, gfp=cc0, policy=right, cache=1
[ 12.486442] # test_free_bulk-memcache: test_alloc: size=58, gfp=cc0, policy=none, cache=1
[ 12.495083] # test_free_bulk-memcache: test_alloc: size=58, gfp=cc0, policy=left, cache=1
[ 12.616406] # test_free_bulk-memcache: test_alloc: size=58, gfp=cc0, policy=none, cache=1
[ 12.624967] # test_free_bulk-memcache: test_alloc: size=58, gfp=cc0, policy=none, cache=1
[ 12.633885] # test_free_bulk-memcache: setup_test_cache: size=260, ctor=0x0
[ 12.641609] # test_free_bulk-memcache: test_alloc: size=260, gfp=cc0, policy=right, cache=1
[ 12.746443] # test_free_bulk-memcache: test_alloc: size=260, gfp=cc0, policy=none, cache=1
[ 12.755091] # test_free_bulk-memcache: test_alloc: size=260, gfp=cc0, policy=left, cache=1
[ 13.136401] # test_free_bulk-memcache: test_alloc: size=260, gfp=cc0, policy=none, cache=1
[ 13.145052] # test_free_bulk-memcache: test_alloc: size=260, gfp=cc0, policy=none, cache=1
[ 13.154042] # test_free_bulk-memcache: setup_test_cache: size=155, ctor=ctor_set_x
[ 13.162383] # test_free_bulk-memcache: test_alloc: size=155, gfp=cc0, policy=right, cache=1
[ 13.526458] # test_free_bulk-memcache: test_alloc: size=155, gfp=cc0, policy=none, cache=1
[ 13.535107] # test_free_bulk-memcache: test_alloc: size=155, gfp=cc0, policy=left, cache=1
[ 13.786404] # test_free_bulk-memcache: test_alloc: size=155, gfp=cc0, policy=none, cache=1
[ 13.795051] # test_free_bulk-memcache: test_alloc: size=155, gfp=cc0, policy=none, cache=1
[ 13.804047] # test_free_bulk-memcache: setup_test_cache: size=173, ctor=0x0
[ 13.811768] # test_free_bulk-memcache: test_alloc: size=173, gfp=cc0, policy=right, cache=1
[ 13.916446] # test_free_bulk-memcache: test_alloc: size=173, gfp=cc0, policy=none, cache=1
[ 13.925094] # test_free_bulk-memcache: test_alloc: size=173, gfp=cc0, policy=left, cache=1
[ 14.046408] # test_free_bulk-memcache: test_alloc: size=173, gfp=cc0, policy=none, cache=1
[ 14.055057] # test_free_bulk-memcache: test_alloc: size=173, gfp=cc0, policy=none, cache=1
[ 14.064085] ok 14 - test_free_bulk-memcache
[ 14.064468] ok 15 - test_init_on_free
[ 14.069584] ok 16 - test_init_on_free-memcache
[ 14.073956] # test_kmalloc_aligned_oob_read: test_alloc: size=73, gfp=cc0, policy=right, cache=0
[ 14.176456] ==================================================================
[ 14.183702] BUG: KFENCE: out-of-bounds read in test_kmalloc_aligned_oob_read+0x60/0x200
[ 14.183702]
[ 14.193213] Out-of-bounds read at 0x(ptrval) (81B right of kfence-#84):
[ 14.199839] test_kmalloc_aligned_oob_read+0x60/0x200
[ 14.204914] kunit_try_run_case+0x5c/0xd0
[ 14.208964] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 14.214380] kthread+0x15c/0x174
[ 14.217640] ret_from_kernel_thread+0x14/0x1c
[ 14.222026]
[ 14.223527] kfence-#84 [0x(ptrval)-0x(ptrval), size=73, cache=kmalloc-96] allocated by task 107:
[ 14.232335] test_alloc+0x10c/0x384
[ 14.235847] test_kmalloc_aligned_oob_read+0x60/0x200
[ 14.240916] kunit_try_run_case+0x5c/0xd0
[ 14.244953] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 14.250365] kthread+0x15c/0x174
[ 14.253617] ret_from_kernel_thread+0x14/0x1c
[ 14.257998]
[ 14.259501] CPU: 0 PID: 107 Comm: kunit_try_catch Tainted: G B
5.12.0-rc1-s3k-dev-01534-g4f14ae75edf0-dirty #4674
[ 14.271058] ==================================================================
[ 14.278626] ok 17 - test_kmalloc_aligned_oob_read
[ 14.278987] # test_kmalloc_aligned_oob_write: test_alloc: size=73, gfp=cc0, policy=right, cache=0
[ 14.646606] ==================================================================
[ 14.653849] BUG: KFENCE: memory corruption in test_kmalloc_aligned_oob_write+0x104/0x1b0
[ 14.653849]
[ 14.663430] Corrupted memory at 0x(ptrval) [ ! . . . . . . ] (in kfence-#87):
[ 14.670630] test_kmalloc_aligned_oob_write+0x104/0x1b0
[ 14.675880] kunit_try_run_case+0x5c/0xd0
[ 14.679921] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 14.685337] kthread+0x15c/0x174
[ 14.688592] ret_from_kernel_thread+0x14/0x1c
[ 14.692975]
[ 14.694477] kfence-#87 [0x(ptrval)-0x(ptrval), size=73, cache=kmalloc-96] allocated by task 108:
[ 14.703285] test_alloc+0x10c/0x384
[ 14.706800] test_kmalloc_aligned_oob_write+0x58/0x1b0
[ 14.711959] kunit_try_run_case+0x5c/0xd0
[ 14.715997] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 14.721411] kthread+0x15c/0x174
[ 14.724666] ret_from_kernel_thread+0x14/0x1c
[ 14.729047]
[ 14.730551] CPU: 0 PID: 108 Comm: kunit_try_catch Tainted: G B
5.12.0-rc1-s3k-dev-01534-g4f14ae75edf0-dirty #4674
[ 14.742108] ==================================================================
[ 14.749627] ok 18 - test_kmalloc_aligned_oob_write
[ 14.749989] # test_shrink_memcache: setup_test_cache: size=32, ctor=0x0
[ 14.762405] # test_shrink_memcache: test_alloc: size=32, gfp=cc0, policy=any, cache=1
[ 14.856686] ok 19 - test_shrink_memcache
[ 14.857052] # test_memcache_ctor: setup_test_cache: size=32, ctor=ctor_set_x
[ 14.869060] # test_memcache_ctor: test_alloc: size=32, gfp=cc0, policy=any, cache=1
[ 14.986723] ok 20 - test_memcache_ctor
[ 14.987102] ==================================================================
[ 14.998426] BUG: KFENCE: invalid read in finish_task_switch.isra.0+0x54/0x23c
[ 14.998426]
[ 15.007061] Invalid read at 0x(ptrval):
[ 15.010906] finish_task_switch.isra.0+0x54/0x23c
[ 15.015633] kunit_try_run_case+0x5c/0xd0
[ 15.019682] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 15.025099] kthread+0x15c/0x174
[ 15.028359] ret_from_kernel_thread+0x14/0x1c
[ 15.032747]
[ 15.034251] CPU: 0 PID: 111 Comm: kunit_try_catch Tainted: G B
5.12.0-rc1-s3k-dev-01534-g4f14ae75edf0-dirty #4674
[ 15.045811] ==================================================================
[ 15.053324] # test_invalid_access: EXPECTATION FAILED at mm/kfence/kfence_test.c:636
[ 15.053324] Expected report_matches(&expect) to be true, but is false
[ 15.068359] not ok 21 - test_invalid_access
[ 15.068722] # test_gfpzero: test_alloc: size=4096, gfp=cc0, policy=any, cache=0
[ 15.156430] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 15.286387] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 15.416379] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 15.546385] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 15.676382] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 15.806388] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 15.936382] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 16.066420] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 16.196384] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 16.326379] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 16.456381] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 16.586400] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 16.716382] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 16.846389] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 16.976382] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 17.106388] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 17.236380] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 17.366395] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 17.496385] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 17.626383] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 17.756398] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 17.886386] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 18.016387] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 18.146383] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 18.276385] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 18.406388] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 18.536389] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 18.666387] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 18.796386] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 18.926381] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 19.056383] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 19.186384] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 19.316388] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 19.446382] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 19.576387] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 19.706386] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 19.836379] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 19.966387] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 20.096387] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 20.226387] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 20.356381] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 20.486386] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 20.616380] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 20.746387] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 20.876379] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 21.006383] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 21.136389] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 21.266385] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 21.396385] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 21.526382] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 21.656387] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 21.786385] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 21.916385] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 22.046381] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 22.176381] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 22.306401] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 22.436383] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 22.566381] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 22.696411] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 22.826388] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 22.956383] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 23.086387] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 23.216405] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 23.346379] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 23.476381] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 23.606387] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 23.736385] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 23.866383] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 23.996386] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 24.126390] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 24.256386] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 24.386382] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 24.516388] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 24.646385] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 24.776381] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 24.906385] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 25.036379] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 25.166381] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 25.296391] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 25.426385] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 25.556380] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 25.686385] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 25.816387] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 25.946382] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 26.076379] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 26.206384] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 26.336389] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 26.466383] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 26.596385] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 26.726379] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 26.856389] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 26.986384] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 27.116383] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 27.246381] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 27.376387] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 27.506395] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 27.636381] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 27.766386] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 27.896381] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 28.026387] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 28.156386] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 28.286393] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 28.416388] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 28.546385] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 28.676380] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 28.806384] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 28.936387] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 29.066390] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 29.196384] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 29.326416] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 29.456388] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 29.586383] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 29.716385] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 29.846402] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 29.976396] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 30.106385] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 30.236379] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 30.366395] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 30.496386] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 30.626387] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 30.756380] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 30.886386] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 31.016381] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 31.146383] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 31.276388] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 31.406386] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 31.536383] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 31.666388] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 31.796384] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 31.926384] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 32.056391] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 32.186382] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 32.316385] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 32.446391] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 32.576385] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 32.706381] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 32.836388] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 32.966388] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 33.096378] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 33.226386] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 33.356383] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 33.486389] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 33.616386] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 33.746383] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 33.876385] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 34.006383] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 34.136389] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 34.266384] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 34.396385] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 34.526382] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 34.656385] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 34.786383] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 34.916383] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 35.046390] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 35.176387] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 35.306386] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 35.436385] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 35.566382] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 35.696386] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 35.826383] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 35.956415] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 36.086386] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 36.216382] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 36.346378] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 36.476404] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 36.606382] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 36.736386] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 36.866381] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 36.996388] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 37.126390] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 37.256395] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 37.386388] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 37.516386] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 37.646382] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 37.776385] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 37.906385] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 38.036389] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 38.166382] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 38.296389] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 38.426387] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 38.556388] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 38.686388] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 38.816386] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 38.946381] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 39.076382] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 39.206387] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 39.336386] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 39.466382] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 39.596392] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 39.726382] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 39.856390] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 39.986389] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 40.116382] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 40.246382] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 40.376381] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 40.506387] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 40.636388] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 40.766387] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 40.896381] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 41.026390] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 41.156384] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 41.286380] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 41.416384] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 41.546383] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 41.676388] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 41.806386] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 41.936381] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 42.066390] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 42.196389] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 42.326386] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 42.456390] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 42.586414] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 42.716380] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 42.846386] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 42.976381] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 43.106404] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 43.236385] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 43.366387] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 43.496382] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 43.626385] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 43.756378] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 43.886387] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 44.016390] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 44.146385] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 44.276389] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 44.406382] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 44.536384] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 44.666391] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 44.796382] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 44.926387] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 45.056381] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 45.186384] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 45.316389] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 45.446382] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 45.576385] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 45.706382] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 45.836387] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 45.966383] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 46.096383] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 46.226382] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 46.356382] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 46.486384] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 46.616391] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 46.746386] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 46.876381] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 47.006399] # test_gfpzero: test_alloc: size=4096, gfp=dc0, policy=any, cache=0
[ 47.136923] ok 22 - test_gfpzero
[ 47.137299] # test_memcache_typesafe_by_rcu: setup_test_cache: size=32, ctor=0x0
[ 47.148950] # test_memcache_typesafe_by_rcu: test_alloc: size=32, gfp=cc0, policy=any, cache=1
[ 47.296422] ==================================================================
[ 47.303670] BUG: KFENCE: use-after-free read in test_memcache_typesafe_by_rcu+0x210/0x34c
[ 47.303670]
[ 47.313354] Use-after-free read at 0x(ptrval) (in kfence-#91):
[ 47.319199] test_memcache_typesafe_by_rcu+0x210/0x34c
[ 47.324363] kunit_try_run_case+0x5c/0xd0
[ 47.328412] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 47.333830] kthread+0x15c/0x174
[ 47.337090] ret_from_kernel_thread+0x14/0x1c
[ 47.341476]
[ 47.342979] kfence-#91 [0x(ptrval)-0x(ptrval), size=32, cache=test] allocated by task 113:
[ 47.351269] test_alloc+0xfc/0x384
[ 47.354696] test_memcache_typesafe_by_rcu+0x100/0x34c
[ 47.359855] kunit_try_run_case+0x5c/0xd0
[ 47.363896] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 47.369311] kthread+0x15c/0x174
[ 47.372568] ret_from_kernel_thread+0x14/0x1c
[ 47.376951]
[ 47.376951] freed by task 0:
[ 47.381401] rcu_core+0x1c8/0x900
[ 47.384741] __do_softirq+0x13c/0x374
[ 47.388431] irq_exit+0x9c/0xf8
[ 47.391599] ret_from_except+0x0/0x14
[ 47.395289] default_idle_call+0x5c/0x10c
[ 47.399326] do_idle+0x8c/0x118
[ 47.402495] cpu_startup_entry+0x14/0x1c
[ 47.406441] start_kernel+0x4e4/0x530
[ 47.410123] 0x37d0
[ 47.412239]
[ 47.413742] CPU: 0 PID: 113 Comm: kunit_try_catch Tainted: G B
5.12.0-rc1-s3k-dev-01534-g4f14ae75edf0-dirty #4674
[ 47.425300] ==================================================================
[ 47.432931] ok 23 - test_memcache_typesafe_by_rcu
[ 47.433487] # test_krealloc: test_alloc: size=32, gfp=cc0, policy=any, cache=0
[ 47.556587] ==================================================================
[ 47.563835] BUG: KFENCE: use-after-free read in test_krealloc+0x3dc/0x578
[ 47.563835]
[ 47.572130] Use-after-free read at 0x(ptrval) (in kfence-#93):
[ 47.577973] test_krealloc+0x3dc/0x578
[ 47.581751] kunit_try_run_case+0x5c/0xd0
[ 47.585800] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 47.591218] kthread+0x15c/0x174
[ 47.594476] ret_from_kernel_thread+0x14/0x1c
[ 47.598863]
[ 47.600364] kfence-#93 [0x(ptrval)-0x(ptrval), size=32, cache=kmalloc-32] allocated by task 114:
[ 47.609170] test_alloc+0x10c/0x384
[ 47.612684] test_krealloc+0x4c/0x578
[ 47.616369] kunit_try_run_case+0x5c/0xd0
[ 47.620411] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 47.625825] kthread+0x15c/0x174
[ 47.629078] ret_from_kernel_thread+0x14/0x1c
[ 47.633460]
[ 47.633460] freed by task 114:
[ 47.638066] krealloc+0xc4/0x124
[ 47.641327] test_krealloc+0x170/0x578
[ 47.645103] kunit_try_run_case+0x5c/0xd0
[ 47.649140] kunit_generic_run_threadfn_adapter+0x24/0x30
[ 47.654554] kthread+0x15c/0x174
[ 47.657808] ret_from_kernel_thread+0x14/0x1c
[ 47.662188]
[ 47.663691] CPU: 0 PID: 114 Comm: kunit_try_catch Tainted: G B
5.12.0-rc1-s3k-dev-01534-g4f14ae75edf0-dirty #4674
[ 47.675248] ==================================================================
[ 47.682686] ok 24 - test_krealloc
[ 47.683045] # test_memcache_alloc_bulk: setup_test_cache: size=32, ctor=0x0
[ 47.786755] ok 25 - test_memcache_alloc_bulk
[ 47.786799] not ok 1 - kfence
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