On Wed, 2022-01-26 at 15:53 +0100, Philipp Zabel wrote:
[...]
> This can happen during cleanup if the error path is taken for a built-
> in algorithm, before crypto_algapi_init() was called.
I see this happen on ARM with CONFIG_CRYPTO_AES_ARM_BS=y since v5.16-rc1
because the simd_skcipher_create_compat("ecb(aes)", "ecb-aes-neonbs",
"__ecb-aes-neonbs") call in arch/arm/crypto/aes-neonbs-glue.c returns
-ENOENT. I believe that is the same issue as reported in [1].
[1] https://lore.kernel.org/lkml/CA+G9fYvyATAWicFbnKnOTqc=MKUXNrbCBYP6zej3FJJyA31WPQ@xxxxxxxxxxxxxx/
[ 3.921012] ------------[ cut here ]------------
[ 3.925715] kernel BUG at crypto/algapi.c:461!
[ 3.930282] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP ARM
[ 3.936187] Modules linked in:
[ 3.939318] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.17.0-rc1-20220124-1 #1
[ 3.946614] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
[ 3.953263] PC is at crypto_unregister_alg+0x11c/0x124
[ 3.958486] LR is at __this_cpu_preempt_check+0x1c/0x20
[ 3.963845] pc : [<805611d4>] lr : [<80bac708>] psr: 20000113
[ 3.970180] sp : 81ce7e40 ip : 81ce7db0 fp : 81ce7e6c
[ 3.975524] r10: 8104a878 r9 : 00000000 r8 : 000000ff
[ 3.980818] r7 : 812af474 r6 : 00000001 r5 : 812af488 r4 : 82e64a80
[ 3.987468] r3 : 00000002 r2 : 00000001 r1 : 00000000 r0 : 00000000
[ 3.994066] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none
[ 4.001326] Control: 10c5387d Table: 1000404a DAC: 00000051
[ 4.007139] Register r0 information: NULL pointer
[ 4.011973] Register r1 information: NULL pointer
[ 4.016750] Register r2 information: non-paged memory
[ 4.021930] Register r3 information: non-paged memory
[ 4.027053] Register r4 information: slab kmalloc-512 start 82e64a00 pointer offset 128 size 512
[ 4.035991] Register r5 information: non-slab/vmalloc memory
[ 4.041723] Register r6 information: non-paged memory
[ 4.046899] Register r7 information: non-slab/vmalloc memory
[ 4.052630] Register r8 information: non-paged memory
[ 4.057807] Register r9 information: NULL pointer
[ 4.062584] Register r10 information: non-slab/vmalloc memory
[ 4.068456] Register r11 information: non-slab/vmalloc memory
[ 4.074276] Register r12 information: non-slab/vmalloc memory
[ 4.080147] Process swapper/0 (pid: 1, stack limit = 0xbd1e2d0f)
[ 4.086226] Stack: (0x81ce7e40 to 0x81ce8000)
[ 4.090712] 7e40: 00002080 81110580 00000000 81ce7e4c 81ce7e4c 81108ec8 00000000 82e64a00
[ 4.098962] 7e60: 81ce7e7c 81ce7e70 80563044 805610c4 81ce7e94 81ce7e80 80574e94 80563034
[ 4.107264] 7e80: 812af478 812af488 81ce7eac 81ce7e98 80122554 80574e80 81110580 fffffffe
[ 4.115566] 7ea0: 81ce7ecc 81ce7eb0 81008f88 80122530 81da8fc0 8128f100 81108f10 81008f00
[ 4.123866] 7ec0: 81ce7f4c 81ce7ed0 80102684 81008f0c 81ce7eec 81ce7ee0 80bac708 80bac500
[ 4.132114] 7ee0: 81ce7f1c 81ce7ef0 80babd54 80bac6f8 00000001 81da8fc0 8128f100 81108f10
[ 4.140415] 7f00: 8104a858 812af000 80fac7c4 8104a874 81ce7f2c 81ce7f20 801b91dc 81108ec8
[ 4.148717] 7f20: 81ce7f4c 8107d0bc 81d240c0 00000008 8104a858 000000ff 812af000 8104a878
[ 4.156964] 7f40: 81ce7f94 81ce7f50 81001428 8010260c 00000007 00000007 00000000 8100044c
[ 4.165266] 7f60: 80fac7c4 8100044c 81ce7f8c 81108ec0 80bac9bc 00000000 00000000 00000000
[ 4.173566] 7f80: 00000000 00000000 81ce7fac 81ce7f98 80bac9e4 8100125c 00000000 80bac9bc
[ 4.181866] 7fa0: 00000000 81ce7fb0 80100108 80bac9c8 00000000 00000000 00000000 00000000
[ 4.190113] 7fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 4.198413] 7fe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000
[ 4.206709] Backtrace:
[ 4.209230] crypto_unregister_alg from crypto_unregister_skcipher+0x1c/0x20
[ 4.216417] r4:82e64a00
[ 4.219019] crypto_unregister_skcipher from simd_skcipher_free+0x20/0x2c
[ 4.225892] simd_skcipher_free from aes_exit+0x30/0x4c
[ 4.231257] r5:812af488 r4:812af478
[ 4.234900] aes_exit from aes_init+0x88/0xa4
[ 4.239393] r5:fffffffe r4:81110580
[ 4.243034] aes_init from do_one_initcall+0x84/0x3c4
[ 4.248168] r7:81008f00 r6:81108f10 r5:8128f100 r4:81da8fc0
[ 4.253949] do_one_initcall from kernel_init_freeable+0x1d8/0x230
[ 4.260218] r10:8104a878 r9:812af000 r8:000000ff r7:8104a858 r6:00000008 r5:81d240c0
[ 4.268168] r4:8107d0bc
[ 4.270769] kernel_init_freeable from kernel_init+0x28/0x144
[ 4.276656] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80bac9bc
[ 4.284608] r4:81108ec0
[ 4.287208] kernel_init from ret_from_fork+0x14/0x2c
[ 4.292337] Exception stack(0x81ce7fb0 to 0x81ce7ff8)
[ 4.297517] 7fa0: 00000000 00000000 00000000 00000000
[ 4.305766] 7fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 4.314067] 7fe0: 00000000 00000000 00000000 00000000 00000013 00000000
[ 4.320803] r5:80bac9bc r4:00000000
[ 4.324450] Code: e34800eb e58d4000 eb18fc40 eaffffe9 (e7f001f2)
[ 4.330669] ---[ end trace 0000000000000000 ]---
[ 4.346697] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
[ 4.354500] CPU2: stopping
[ 4.357283] CPU: 2 PID: 0 Comm: swapper/2 Tainted: G D 5.17.0-rc1-20220124-1 #1
[ 4.366022] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
[ 4.372618] Backtrace:
[ 4.375137] dump_backtrace from show_stack+0x20/0x24
[ 4.380328] r7:81cc3f40 r6:00000080 r5:80e968a4 r4:60000193
[ 4.386055] show_stack from dump_stack_lvl+0x60/0x78
[ 4.391238] dump_stack_lvl from dump_stack+0x18/0x1c
[ 4.396369] r7:81cc3f40 r6:8128f1a0 r5:00000002 r4:00000004
[ 4.402146] dump_stack from do_handle_IPI+0x330/0x35c
[ 4.407364] do_handle_IPI from ipi_handler+0x28/0x30
[ 4.412550] r10:bfd360b8 r9:81dc1f80 r8:81d09e38 r7:81cc3f40 r6:811096e4 r5:00000014
[ 4.420447] r4:81cc1600 r3:00000010
[ 4.424142] ipi_handler from handle_percpu_devid_irq+0xac/0x180
[ 4.430229] handle_percpu_devid_irq from generic_handle_domain_irq+0x50/0x94
[ 4.437505] r9:81dc1f80 r8:f400010c r7:81085b54 r6:81dc1f80 r5:00000004 r4:81cc4400
[ 4.445367] generic_handle_domain_irq from gic_handle_irq+0x80/0x94
[ 4.451805] r7:81085b54 r6:f4000100 r5:8123d2b4 r4:811096e4
[ 4.457584] gic_handle_irq from generic_handle_arch_irq+0x60/0x80
[ 4.463847] r9:81dc1f80 r8:00000000 r7:81d09ed0 r6:80eba814 r5:80e97b0c r4:81085b30
[ 4.471707] generic_handle_arch_irq from __irq_svc+0x54/0x88
[ 4.477529] Exception stack(0x81d09ed0 to 0x81d09f18)
[ 4.482706] 9ec0: 808ae49c 00000000 3ecb0000 00000000
[ 4.490956] 9ee0: 00000001 038c318c 00000001 00000001 00000001 811116a8 bfd360b8 81d09f54
[ 4.499203] 9f00: 81d09ef8 81d09f20 802434b8 808ae4a0 60000013 ffffffff
[ 4.505942] r9:81dc1f80 r8:00000001 r7:81d09f04 r6:ffffffff r5:60000013 r4:808ae4a0
[ 4.513749] cpuidle_enter_state from cpuidle_enter+0x40/0x50
[ 4.519584] r10:80eba814 r9:00000001 r8:0347bb80 r7:81108f50 r6:00000001 r5:811116a8
[ 4.527535] r4:bfd360b8
[ 4.530133] cpuidle_enter from do_idle+0x21c/0x2b4
[ 4.535096] r9:811116a8 r8:bfd360b8 r7:81108f50 r6:00000002 r5:81dc1f80 r4:81108f10
[ 4.542959] do_idle from cpu_startup_entry+0x28/0x2c
[ 4.548092] r10:00000000 r9:412fc09a r8:1000406a r7:812af324 r6:81dc1f80 r5:00000002
[ 4.556043] r4:00000097
[ 4.558644] cpu_startup_entry from secondary_start_kernel+0x174/0x198
[ 4.565301] secondary_start_kernel from 0x10101bd4
[ 4.570258] r7:812af324 r6:10c0387d r5:00000051 r4:11d6806a
[ 4.576037] CPU3: stopping
[ 4.578819] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G D 5.17.0-rc1-20220124-1 #1
[ 4.587561] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
[ 4.594158] Backtrace:
[ 4.596732] dump_backtrace from show_stack+0x20/0x24
[ 4.601870] r7:81cc3f40 r6:00000080 r5:80e968a4 r4:60000193
[ 4.607650] show_stack from dump_stack_lvl+0x60/0x78
[ 4.612781] dump_stack_lvl from dump_stack+0x18/0x1c
[ 4.617969] r7:81cc3f40 r6:8128f1a0 r5:00000003 r4:00000004
[ 4.623695] dump_stack from do_handle_IPI+0x330/0x35c
[ 4.628912] do_handle_IPI from ipi_handler+0x28/0x30
[ 4.634099] r10:bfd470b8 r9:81dc0fc0 r8:81d0be38 r7:81cc3f40 r6:811096e4 r5:00000014
[ 4.642050] r4:81cc1600 r3:00000010
[ 4.645692] ipi_handler from handle_percpu_devid_irq+0xac/0x180
[ 4.651778] handle_percpu_devid_irq from generic_handle_domain_irq+0x50/0x94
[ 4.659053] r9:81dc0fc0 r8:f400010c r7:81085b54 r6:81dc0fc0 r5:00000004 r4:81cc4400
[ 4.666916] generic_handle_domain_irq from gic_handle_irq+0x80/0x94
[ 4.673352] r7:81085b54 r6:f4000100 r5:8123d2b4 r4:811096e4
[ 4.679132] gic_handle_irq from generic_handle_arch_irq+0x60/0x80
[ 4.685396] r9:81dc0fc0 r8:00000000 r7:81d0bed0 r6:80eba814 r5:80e97b0c r4:81085b30
[ 4.693259] generic_handle_arch_irq from __irq_svc+0x54/0x88
[ 4.699135] Exception stack(0x81d0bed0 to 0x81d0bf18)
[ 4.704259] bec0: 808ae49c 00000000 3ecc1000 00000000
[ 4.712562] bee0: 00000001 038c32da 00000001 00000001 00000001 811116a8 bfd470b8 81d0bf54
[ 4.720810] bf00: 81d0bef8 81d0bf20 802434b8 808ae4a0 60000013 ffffffff
[ 4.727549] r9:81dc0fc0 r8:00000001 r7:81d0bf04 r6:ffffffff r5:60000013 r4:808ae4a0
[ 4.735412] cpuidle_enter_state from cpuidle_enter+0x40/0x50
[ 4.741243] r10:80eba814 r9:00000001 r8:0347bb80 r7:81108f50 r6:00000001 r5:811116a8
[ 4.749195] r4:bfd470b8
[ 4.751796] cpuidle_enter from do_idle+0x21c/0x2b4
[ 4.756810] r9:811116a8 r8:bfd470b8 r7:81108f50 r6:00000003 r5:81dc0fc0 r4:81108f10
[ 4.764619] do_idle from cpu_startup_entry+0x28/0x2c
[ 4.769806] r10:00000000 r9:412fc09a r8:1000406a r7:812af324 r6:81dc0fc0 r5:00000003
[ 4.777703] r4:00000097
[ 4.780357] cpu_startup_entry from secondary_start_kernel+0x174/0x198
[ 4.786963] secondary_start_kernel from 0x10101bd4
[ 4.791970] r7:812af324 r6:10c0387d r5:00000051 r4:11d6806a
[ 4.797697] CPU1: stopping
[ 4.800480] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G D 5.17.0-rc1-20220124-1 #1
[ 4.809219] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
[ 4.815870] Backtrace:
[ 4.818389] dump_backtrace from show_stack+0x20/0x24
[ 4.823527] r7:81cc3f40 r6:00000080 r5:80e968a4 r4:60000193
[ 4.829311] show_stack from dump_stack_lvl+0x60/0x78
[ 4.834442] dump_stack_lvl from dump_stack+0x18/0x1c
[ 4.839630] r7:81cc3f40 r6:8128f1a0 r5:00000001 r4:00000004
[ 4.845357] dump_stack from do_handle_IPI+0x330/0x35c
[ 4.850628] do_handle_IPI from ipi_handler+0x28/0x30
[ 4.855761] r10:bfd250b8 r9:81dbee40 r8:81d07e38 r7:81cc3f40 r6:811096e4 r5:00000014
[ 4.863714] r4:81cc1600 r3:00000010
[ 4.867357] ipi_handler from handle_percpu_devid_irq+0xac/0x180
[ 4.873497] handle_percpu_devid_irq from generic_handle_domain_irq+0x50/0x94
[ 4.880716] r9:81dbee40 r8:f400010c r7:81085b54 r6:81dbee40 r5:00000004 r4:81cc4400
[ 4.888578] generic_handle_domain_irq from gic_handle_irq+0x80/0x94
[ 4.895067] r7:81085b54 r6:f4000100 r5:8123d2b4 r4:811096e4
[ 4.900793] gic_handle_irq from generic_handle_arch_irq+0x60/0x80
[ 4.907110] r9:81dbee40 r8:00000000 r7:81d07ed0 r6:80eba814 r5:80e97b0c r4:81085b30
[ 4.914919] generic_handle_arch_irq from __irq_svc+0x54/0x88
[ 4.920796] Exception stack(0x81d07ed0 to 0x81d07f18)
[ 4.925921] 7ec0: 808ae49c 00000000 3ec9f000 00000000
[ 4.934226] 7ee0: 00000001 038c32da 00000001 00000001 00000001 811116a8 bfd250b8 81d07f54
[ 4.942528] 7f00: 81d07ef8 81d07f20 802434b8 808ae4a0 60000013 ffffffff
[ 4.949214] r9:81dbee40 r8:00000001 r7:81d07f04 r6:ffffffff r5:60000013 r4:808ae4a0
[ 4.957077] cpuidle_enter_state from cpuidle_enter+0x40/0x50
[ 4.962961] r10:80eba814 r9:00000001 r8:0347bb80 r7:81108f50 r6:00000001 r5:811116a8
[ 4.970859] r4:bfd250b8
[ 4.973459] cpuidle_enter from do_idle+0x21c/0x2b4
[ 4.978474] r9:811116a8 r8:bfd250b8 r7:81108f50 r6:00000001 r5:81dbee40 r4:81108f10
[ 4.986338] do_idle from cpu_startup_entry+0x28/0x2c
[ 4.991471] r10:00000000 r9:412fc09a r8:1000406a r7:812af324 r6:81dbee40 r5:00000001
[ 4.999424] r4:00000097
[ 5.002025] cpu_startup_entry from secondary_start_kernel+0x174/0x198
[ 5.008683] secondary_start_kernel from 0x10101bd4
[ 5.013639] r7:812af324 r6:10c0387d r5:00000051 r4:11d6806a
[ 5.034197] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b ]---
regards
Philipp
