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Date: Mon, 3 Jul 2023 10:51:53 +0100
From: Mark Rutland <mark.rutland@....com>
To: Naresh Kamboju <naresh.kamboju@...aro.org>
Cc: Arnd Bergmann <arnd@...db.de>,
open list <linux-kernel@...r.kernel.org>,
lkft-triage@...ts.linaro.org,
Frederic Weisbecker <frederic@...nel.org>,
"Paul E. McKenney" <paulmck@...nel.org>,
Anders Roxell <anders.roxell@...aro.org>,
Dan Carpenter <dan.carpenter@...aro.org>
Subject: Re: qemu-arm64: Unexpected kernel BRK exception at EL1 - WARNING:
CPU: 3 PID: 0 at kernel/context_tracking.c:128 ct_kernel_exit.constprop
On Mon, Jul 03, 2023 at 12:02:22PM +0530, Naresh Kamboju wrote:
> On Sun, 2 Jul 2023 at 13:56, Arnd Bergmann <arnd@...db.de> wrote:
> >
> > On Sat, Jul 1, 2023, at 10:42, Naresh Kamboju wrote:
> >
> > > Links:
> > > -
> > > https://qa-reports.linaro.org/lkft/linux-mainline-master/build/v6.4-8686-ge55e5df193d2/testrun/17999853/suite/log-parser-test/tests/
> > > -
> > > https://qa-reports.linaro.org/lkft/linux-mainline-master/build/v6.4-8686-ge55e5df193d2/testrun/17999906/suite/log-parser-test/tests/
> >
> > I can't see which build artifacts correspond to the logs. Can you link to the
> > vmlinux file?
>
> Here is the build artifacts location with kselftest merge configs.
> https://storage.tuxsuite.com/public/linaro/lkft/builds/2Rum1V78RQJMftEanwtN28dApDO/
In your .config here, I note you have:
| CONFIG_UBSAN_TRAP=y
Considering that:
> [ 56.149721] Internal error: BRK handler: 00000000f20003e8 [#1] PREEMPT SMP
This indicates "BRK 0x3e8" AKA "BRK 1000", which is what GCC's __builtin_trap()
uses (and will also be what CONFIG_UBSAN_TRAP uses).
Can you try this with CONFIG_UBSAN_TRAP=n ?
> [ 56.150153] Modules linked in: crct10dif_ce sm3_ce sm3 sha3_ce
> sha512_ce sha512_arm64 cfg80211 bluetooth rfkill sch_fq_codel fuse drm
> [ 56.151781] CPU: 0 PID: 438 Comm: seccomp_bpf Not tainted 6.4.0 #1
> [ 56.152043] Hardware name: linux,dummy-virt (DT)
> [ 56.152396] pstate: 41400005 (nZcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)
> [ 56.152667] pc : alloc_pid+0x3b4/0x3c8
> [ 56.154243] lr : alloc_pid+0x140/0x3c8
Looking at objdump, that's:
| ffff8000800d73b0 <alloc_pid>:
| ...
| ffff8000800d7764: d4207d00 brk #0x3e8
... and addr2line fingers this as:
| [mark@...rids:~/tmp-naresh-kamboju]% usekorg 10.3.0 aarch64-linux-addr2line -ife vmlinux ffff8000800d7764
| alloc_pid
| /builds/linux/kernel/pid.c:244
... which appears to be:
| 244 pid->numbers[i].nr = nr;
Full objdump of the function below; as above I suspect this is UBSAN triggering
a __builtin_trap() on an out-of-range access.
Thanks,
Mark.
ffff8000800d73b0 <alloc_pid>:
ffff8000800d73b0: d503201f nop
ffff8000800d73b4: d503201f nop
ffff8000800d73b8: d503233f paciasp
ffff8000800d73bc: a9b97bfd stp x29, x30, [sp, #-112]!
ffff8000800d73c0: 910003fd mov x29, sp
ffff8000800d73c4: a9046bf9 stp x25, x26, [sp, #64]
ffff8000800d73c8: aa0003f9 mov x25, x0
ffff8000800d73cc: a90153f3 stp x19, x20, [sp, #16]
ffff8000800d73d0: 928002b4 mov x20, #0xffffffffffffffea // #-22
ffff8000800d73d4: a9025bf5 stp x21, x22, [sp, #32]
ffff8000800d73d8: aa0203f6 mov x22, x2
ffff8000800d73dc: f90033e1 str x1, [sp, #96]
ffff8000800d73e0: b9404320 ldr w0, [x25, #64]
ffff8000800d73e4: 11000400 add w0, w0, #0x1
ffff8000800d73e8: eb16001f cmp x0, x22
ffff8000800d73ec: 54000102 b.cs ffff8000800d740c <alloc_pid+0x5c> // b.hs, b.nlast
ffff8000800d73f0: aa1403e0 mov x0, x20
ffff8000800d73f4: a94153f3 ldp x19, x20, [sp, #16]
ffff8000800d73f8: a9425bf5 ldp x21, x22, [sp, #32]
ffff8000800d73fc: a9446bf9 ldp x25, x26, [sp, #64]
ffff8000800d7400: a8c77bfd ldp x29, x30, [sp], #112
ffff8000800d7404: d50323bf autiasp
ffff8000800d7408: d65f03c0 ret
ffff8000800d740c: f9401f20 ldr x0, [x25, #56]
ffff8000800d7410: 52819801 mov w1, #0xcc0 // #3264
ffff8000800d7414: 940b4513 bl ffff8000803a8860 <kmem_cache_alloc>
ffff8000800d7418: f90037e0 str x0, [sp, #104]
ffff8000800d741c: b4001a60 cbz x0, ffff8000800d7768 <alloc_pid+0x3b8>
ffff8000800d7420: a90363f7 stp x23, x24, [sp, #48]
ffff8000800d7424: b9404333 ldr w19, [x25, #64]
ffff8000800d7428: b9000413 str w19, [x0, #4]
ffff8000800d742c: 37f818d3 tbnz w19, #31, ffff8000800d7744 <alloc_pid+0x394>
ffff8000800d7430: f94037e0 ldr x0, [sp, #104]
ffff8000800d7434: f00183f8 adrp x24, ffff800083156000 <boot_args>
ffff8000800d7438: aa1903f4 mov x20, x25
ffff8000800d743c: 91050318 add x24, x24, #0x140
ffff8000800d7440: 90018577 adrp x23, ffff800083183000 <event_workqueue_activate_work+0x58>
ffff8000800d7444: a90573fb stp x27, x28, [sp, #80]
ffff8000800d7448: 8b33d015 add x21, x0, w19, sxtw #4
ffff8000800d744c: 910182b5 add x21, x21, #0x60
ffff8000800d7450: b4000e56 cbz x22, ffff8000800d7618 <alloc_pid+0x268>
ffff8000800d7454: b9404320 ldr w0, [x25, #64]
ffff8000800d7458: f94033e1 ldr x1, [sp, #96]
ffff8000800d745c: 4b130000 sub w0, w0, w19
ffff8000800d7460: b860783b ldr w27, [x1, x0, lsl #2]
ffff8000800d7464: 7100037f cmp w27, #0x0
ffff8000800d7468: 540014ed b.le ffff8000800d7704 <alloc_pid+0x354>
ffff8000800d746c: b940cae0 ldr w0, [x23, #200]
ffff8000800d7470: 910322fa add x26, x23, #0xc8
ffff8000800d7474: 6b1b001f cmp w0, w27
ffff8000800d7478: 5400146d b.le ffff8000800d7704 <alloc_pid+0x354>
ffff8000800d747c: 7100077f cmp w27, #0x1
ffff8000800d7480: 54000060 b.eq ffff8000800d748c <alloc_pid+0xdc> // b.none
ffff8000800d7484: f9401a80 ldr x0, [x20, #48]
ffff8000800d7488: b40013e0 cbz x0, ffff8000800d7704 <alloc_pid+0x354>
ffff8000800d748c: f9402e9c ldr x28, [x20, #88]
ffff8000800d7490: 52800501 mov w1, #0x28 // #40
ffff8000800d7494: aa1c03e0 mov x0, x28
ffff8000800d7498: 97ff8a38 bl ffff8000800b9d78 <ns_capable>
ffff8000800d749c: 72001c1f tst w0, #0xff
ffff8000800d74a0: 54000dc0 b.eq ffff8000800d7658 <alloc_pid+0x2a8> // b.none
ffff8000800d74a4: 52819800 mov w0, #0xcc0 // #3264
ffff8000800d74a8: 94580912 bl ffff8000816d98f0 <idr_preload>
ffff8000800d74ac: aa1803e0 mov x0, x24
ffff8000800d74b0: 94589902 bl ffff8000816fd8b8 <_raw_spin_lock_irq>
ffff8000800d74b4: 11000763 add w3, w27, #0x1
ffff8000800d74b8: 2a1b03e2 mov w2, w27
ffff8000800d74bc: aa1403e0 mov x0, x20
ffff8000800d74c0: 52810404 mov w4, #0x820 // #2080
ffff8000800d74c4: d2800001 mov x1, #0x0 // #0
ffff8000800d74c8: 9457bd1e bl ffff8000816c6940 <idr_alloc>
ffff8000800d74cc: 2a0003fb mov w27, w0
ffff8000800d74d0: 3100701f cmn w0, #0x1c
ffff8000800d74d4: d10006d6 sub x22, x22, #0x1
ffff8000800d74d8: 12800200 mov w0, #0xffffffef // #-17
ffff8000800d74dc: 1a80137b csel w27, w27, w0, ne // ne = any
ffff8000800d74e0: aa1803e0 mov x0, x24
ffff8000800d74e4: 94589735 bl ffff8000816fd1b8 <_raw_spin_unlock_irq>
ffff8000800d74e8: 52800020 mov w0, #0x1 // #1
ffff8000800d74ec: 94005a0f bl ffff8000800edd28 <preempt_count_sub>
ffff8000800d74f0: d5384100 mrs x0, sp_el0
ffff8000800d74f4: f9400400 ldr x0, [x0, #8]
ffff8000800d74f8: b4000800 cbz x0, ffff8000800d75f8 <alloc_pid+0x248>
ffff8000800d74fc: 37f8083b tbnz w27, #31, ffff8000800d7600 <alloc_pid+0x250>
ffff8000800d7500: 35001333 cbnz w19, ffff8000800d7764 <alloc_pid+0x3b4>
ffff8000800d7504: b90002bb str w27, [x21]
ffff8000800d7508: 51000673 sub w19, w19, #0x1
ffff8000800d750c: f90006b4 str x20, [x21, #8]
ffff8000800d7510: d10042b5 sub x21, x21, #0x10
ffff8000800d7514: f9402694 ldr x20, [x20, #72]
ffff8000800d7518: 3100067f cmn w19, #0x1
ffff8000800d751c: 54fff9a1 b.ne ffff8000800d7450 <alloc_pid+0xa0> // b.any
ffff8000800d7520: a94573fb ldp x27, x28, [sp, #80]
ffff8000800d7524: 9100235a add x26, x26, #0x8
ffff8000800d7528: eb1a033f cmp x25, x26
ffff8000800d752c: 54000160 b.eq ffff8000800d7558 <alloc_pid+0x1a8> // b.none
ffff8000800d7530: 91021320 add x0, x25, #0x84
ffff8000800d7534: 14000077 b ffff8000800d7710 <alloc_pid+0x360>
ffff8000800d7538: 52800021 mov w1, #0x1 // #1
ffff8000800d753c: b8210001 ldadd w1, w1, [x0]
ffff8000800d7540: 340010c1 cbz w1, ffff8000800d7758 <alloc_pid+0x3a8>
ffff8000800d7544: 11000422 add w2, w1, #0x1
ffff8000800d7548: 2a010041 orr w1, w2, w1
ffff8000800d754c: 36f80061 tbz w1, #31, ffff8000800d7558 <alloc_pid+0x1a8>
ffff8000800d7550: 52800021 mov w1, #0x1 // #1
ffff8000800d7554: 941976c1 bl ffff800080735058 <refcount_warn_saturate>
ffff8000800d7558: f94037f5 ldr x21, [sp, #104]
ffff8000800d755c: 52800023 mov w3, #0x1 // #1
ffff8000800d7560: f001b2e2 adrp x2, ffff800083736000 <buf.2+0x218>
ffff8000800d7564: d0010001 adrp x1, ffff8000820d9000 <kallsyms_seqs_of_names+0xb27c0>
ffff8000800d7568: 912a2042 add x2, x2, #0xa88
ffff8000800d756c: 911dc021 add x1, x1, #0x770
ffff8000800d7570: b90002a3 str w3, [x21]
ffff8000800d7574: 9100e2a0 add x0, x21, #0x38
ffff8000800d7578: b9000abf str wzr, [x21, #8]
ffff8000800d757c: a9017ebf stp xzr, xzr, [x21, #16]
ffff8000800d7580: f90012bf str xzr, [x21, #32]
ffff8000800d7584: f90016bf str xzr, [x21, #40]
ffff8000800d7588: 9401171a bl ffff80008011d1f0 <__init_waitqueue_head>
ffff8000800d758c: f9001abf str xzr, [x21, #48]
ffff8000800d7590: aa1803e0 mov x0, x24
ffff8000800d7594: b9404334 ldr w20, [x25, #64]
ffff8000800d7598: 945898c8 bl ffff8000816fd8b8 <_raw_spin_lock_irq>
ffff8000800d759c: b9402b20 ldr w0, [x25, #40]
ffff8000800d75a0: 36f80c60 tbz w0, #31, ffff8000800d772c <alloc_pid+0x37c>
ffff8000800d75a4: d37c7e93 ubfiz x19, x20, #4, #32
ffff8000800d75a8: 910182b4 add x20, x21, #0x60
ffff8000800d75ac: ab130293 adds x19, x20, x19
ffff8000800d75b0: 540001a2 b.cs ffff8000800d75e4 <alloc_pid+0x234> // b.hs, b.nlast
ffff8000800d75b4: d503201f nop
ffff8000800d75b8: b9800262 ldrsw x2, [x19]
ffff8000800d75bc: d1004273 sub x19, x19, #0x10
ffff8000800d75c0: f9400e60 ldr x0, [x19, #24]
ffff8000800d75c4: f94037e1 ldr x1, [sp, #104]
ffff8000800d75c8: 9457be04 bl ffff8000816c6dd8 <idr_replace>
ffff8000800d75cc: f9400e61 ldr x1, [x19, #24]
ffff8000800d75d0: b9402820 ldr w0, [x1, #40]
ffff8000800d75d4: 11000400 add w0, w0, #0x1
ffff8000800d75d8: b9002820 str w0, [x1, #40]
ffff8000800d75dc: eb13029f cmp x20, x19
ffff8000800d75e0: 54fffec9 b.ls ffff8000800d75b8 <alloc_pid+0x208> // b.plast
ffff8000800d75e4: aa1803e0 mov x0, x24
ffff8000800d75e8: f94037f4 ldr x20, [sp, #104]
ffff8000800d75ec: 945896f3 bl ffff8000816fd1b8 <_raw_spin_unlock_irq>
ffff8000800d75f0: a94363f7 ldp x23, x24, [sp, #48]
ffff8000800d75f4: 17ffff7f b ffff8000800d73f0 <alloc_pid+0x40>
ffff8000800d75f8: 94587472 bl ffff8000816f47c0 <preempt_schedule>
ffff8000800d75fc: 36fff83b tbz w27, #31, ffff8000800d7500 <alloc_pid+0x150>
ffff8000800d7600: 3100737f cmn w27, #0x1c
ffff8000800d7604: 93407f61 sxtw x1, w27
ffff8000800d7608: 92800140 mov x0, #0xfffffffffffffff5 // #-11
ffff8000800d760c: 9a801034 csel x20, x1, x0, ne // ne = any
ffff8000800d7610: a94573fb ldp x27, x28, [sp, #80]
ffff8000800d7614: 14000018 b ffff8000800d7674 <alloc_pid+0x2c4>
ffff8000800d7618: 52819800 mov w0, #0xcc0 // #3264
ffff8000800d761c: 945808b5 bl ffff8000816d98f0 <idr_preload>
ffff8000800d7620: aa1803e0 mov x0, x24
ffff8000800d7624: 945898a5 bl ffff8000816fd8b8 <_raw_spin_lock_irq>
ffff8000800d7628: b9401680 ldr w0, [x20, #20]
ffff8000800d762c: 52802582 mov w2, #0x12c // #300
ffff8000800d7630: b940cae3 ldr w3, [x23, #200]
ffff8000800d7634: 52810404 mov w4, #0x820 // #2080
ffff8000800d7638: 6b02001f cmp w0, w2
ffff8000800d763c: d2800001 mov x1, #0x0 // #0
ffff8000800d7640: 1a9f8442 csinc w2, w2, wzr, hi // hi = pmore
ffff8000800d7644: aa1403e0 mov x0, x20
ffff8000800d7648: 910322fa add x26, x23, #0xc8
ffff8000800d764c: 9457bceb bl ffff8000816c69f8 <idr_alloc_cyclic>
ffff8000800d7650: 2a0003fb mov w27, w0
ffff8000800d7654: 17ffffa3 b ffff8000800d74e0 <alloc_pid+0x130>
ffff8000800d7658: aa1c03e0 mov x0, x28
ffff8000800d765c: 528002a1 mov w1, #0x15 // #21
ffff8000800d7660: 97ff89c6 bl ffff8000800b9d78 <ns_capable>
ffff8000800d7664: 72001c1f tst w0, #0xff
ffff8000800d7668: 54fff1e1 b.ne ffff8000800d74a4 <alloc_pid+0xf4> // b.any
ffff8000800d766c: a94573fb ldp x27, x28, [sp, #80]
ffff8000800d7670: 92800014 mov x20, #0xffffffffffffffff // #-1
ffff8000800d7674: aa1803e0 mov x0, x24
ffff8000800d7678: 94589890 bl ffff8000816fd8b8 <_raw_spin_lock_irq>
ffff8000800d767c: f94037e1 ldr x1, [sp, #104]
ffff8000800d7680: 11000673 add w19, w19, #0x1
ffff8000800d7684: b9404320 ldr w0, [x25, #64]
ffff8000800d7688: 91018035 add x21, x1, #0x60
ffff8000800d768c: 6b00027f cmp w19, w0
ffff8000800d7690: 54000168 b.hi ffff8000800d76bc <alloc_pid+0x30c> // b.pmore
ffff8000800d7694: d503201f nop
ffff8000800d7698: 937c7e60 sbfiz x0, x19, #4, #32
ffff8000800d769c: 11000673 add w19, w19, #0x1
ffff8000800d76a0: 8b0002a2 add x2, x21, x0
ffff8000800d76a4: b8a06aa1 ldrsw x1, [x21, x0]
ffff8000800d76a8: f9400440 ldr x0, [x2, #8]
ffff8000800d76ac: 9457bd11 bl ffff8000816c6af0 <idr_remove>
ffff8000800d76b0: b9404320 ldr w0, [x25, #64]
ffff8000800d76b4: 6b13001f cmp w0, w19
ffff8000800d76b8: 54ffff02 b.cs ffff8000800d7698 <alloc_pid+0x2e8> // b.hs, b.nlast
ffff8000800d76bc: b9402b21 ldr w1, [x25, #40]
ffff8000800d76c0: 52b00000 mov w0, #0x80000000 // #-2147483648
ffff8000800d76c4: 6b00003f cmp w1, w0
ffff8000800d76c8: 54000041 b.ne ffff8000800d76d0 <alloc_pid+0x320> // b.any
ffff8000800d76cc: b900173f str wzr, [x25, #20]
ffff8000800d76d0: aa1803e0 mov x0, x24
ffff8000800d76d4: 945896b9 bl ffff8000816fd1b8 <_raw_spin_unlock_irq>
ffff8000800d76d8: f9401f20 ldr x0, [x25, #56]
ffff8000800d76dc: f94037e1 ldr x1, [sp, #104]
ffff8000800d76e0: 940b4c18 bl ffff8000803aa740 <kmem_cache_free>
ffff8000800d76e4: aa1403e0 mov x0, x20
ffff8000800d76e8: a94153f3 ldp x19, x20, [sp, #16]
ffff8000800d76ec: a9425bf5 ldp x21, x22, [sp, #32]
ffff8000800d76f0: a94363f7 ldp x23, x24, [sp, #48]
ffff8000800d76f4: a9446bf9 ldp x25, x26, [sp, #64]
ffff8000800d76f8: a8c77bfd ldp x29, x30, [sp], #112
ffff8000800d76fc: d50323bf autiasp
ffff8000800d7700: d65f03c0 ret
ffff8000800d7704: 928002b4 mov x20, #0xffffffffffffffea // #-22
ffff8000800d7708: a94573fb ldp x27, x28, [sp, #80]
ffff8000800d770c: 17ffffda b ffff8000800d7674 <alloc_pid+0x2c4>
ffff8000800d7710: 91021324 add x4, x25, #0x84
ffff8000800d7714: f9800091 prfm pstl1strm, [x4]
ffff8000800d7718: 885f7c81 ldxr w1, [x4]
ffff8000800d771c: 11000422 add w2, w1, #0x1
ffff8000800d7720: 88037c82 stxr w3, w2, [x4]
ffff8000800d7724: 35ffffa3 cbnz w3, ffff8000800d7718 <alloc_pid+0x368>
ffff8000800d7728: 17ffff86 b ffff8000800d7540 <alloc_pid+0x190>
ffff8000800d772c: aa1803e0 mov x0, x24
ffff8000800d7730: 945896a2 bl ffff8000816fd1b8 <_raw_spin_unlock_irq>
ffff8000800d7734: aa1903e0 mov x0, x25
ffff8000800d7738: 92800174 mov x20, #0xfffffffffffffff4 // #-12
ffff8000800d773c: 9403e163 bl ffff8000801cfcc8 <put_pid_ns>
ffff8000800d7740: 17ffffcd b ffff8000800d7674 <alloc_pid+0x2c4>
ffff8000800d7744: f00183f8 adrp x24, ffff800083156000 <boot_args>
ffff8000800d7748: 9001857a adrp x26, ffff800083183000 <event_workqueue_activate_work+0x58>
ffff8000800d774c: 91050318 add x24, x24, #0x140
ffff8000800d7750: 9103235a add x26, x26, #0xc8
ffff8000800d7754: 17ffff74 b ffff8000800d7524 <alloc_pid+0x174>
ffff8000800d7758: 52800041 mov w1, #0x2 // #2
ffff8000800d775c: 9419763f bl ffff800080735058 <refcount_warn_saturate>
ffff8000800d7760: 17ffff7e b ffff8000800d7558 <alloc_pid+0x1a8>
ffff8000800d7764: d4207d00 brk #0x3e8
ffff8000800d7768: 92800174 mov x20, #0xfffffffffffffff4 // #-12
ffff8000800d776c: 17ffff21 b ffff8000800d73f0 <alloc_pid+0x40>
ffff8000800d7770: d503201f nop
ffff8000800d7774: d503201f nop
> [ 56.154399] sp : ffff8000809b3960
> [ 56.154539] x29: ffff8000809b3960 x28: 0000000001200000 x27: 0000000000000001
> [ 56.155081] x26: ffffb7df5f7830c8 x25: ffff0000c5f18008 x24: ffffb7df5f756140
> [ 56.155481] x23: ffffb7df5f783000 x22: 0000000000000000 x21: ffff0000c9ecc0b0
> [ 56.155880] x20: ffff0000c5f18008 x19: 0000000000000001 x18: ffffb7df5e2c3280
> [ 56.156210] x17: ffffb7df5c6d7418 x16: ffffb7df5c9a8b80 x15: ffffb7df5c9a8080
> [ 56.156483] x14: ffffb7df5c9a7b48 x13: ffffb7df5dceb680 x12: ffffb7df5c62d204
> [ 56.156761] x11: ffffb7df5c62d194 x10: a1f68cf70798a66b x9 : ffffb7df5c6d74f0
> [ 56.157079] x8 : ffff8000809b3878 x7 : 0000000000000000 x6 : 0000000000000220
> [ 56.157343] x5 : 0000000000000001 x4 : ffffb7df5f75f000 x3 : ffffb7df5f75f2e8
> [ 56.157617] x2 : 0000000000000000 x1 : ffff0000c9031180 x0 : 0000000100000000
> [ 56.158001] Call trace:
> [ 56.158155] alloc_pid+0x3b4/0x3c8
> [ 56.158352] copy_process+0xd20/0x1590
> [ 56.158487] kernel_clone+0x94/0x3f8
> [ 56.158623] __do_sys_clone+0x74/0xb8
> [ 56.158883] __arm64_sys_clone+0x2c/0x40
> [ 56.159150] invoke_syscall+0x8c/0x120
> [ 56.159370] el0_svc_common.constprop.0+0xf4/0x120
> [ 56.159529] do_el0_svc+0x44/0xb8
> [ 56.159705] el0_svc+0x30/0x98
> [ 56.159884] el0t_64_sync_handler+0x13c/0x158
> [ 56.160053] el0t_64_sync+0x190/0x198
> [ 56.160343] Code: 17ffff74 52800041 9419763f 17ffff7e (d4207d00)
> [ 56.160919] ---[ end trace 0000000000000000 ]---
> [ 56.161210] note: seccomp_bpf[438] exited with irqs disabled
> [ 56.161775] note: seccomp_bpf[438] exited with preempt_count 1
> [ 56.169001] ------------[ cut here ]------------
> [ 56.169423] WARNING: CPU: 0 PID: 0 at kernel/context_tracking.c:128
> ct_kernel_exit.constprop.0+0x108/0x120
> [ 56.169952] Modules linked in: crct10dif_ce sm3_ce sm3 sha3_ce
> sha512_ce sha512_arm64 cfg80211 bluetooth rfkill sch_fq_codel fuse drm
> [ 56.170978] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G D
> 6.4.0 #1
> [ 56.171408] Hardware name: linux,dummy-virt (DT)
> [ 56.171708] pstate: 204003c5 (nzCv DAIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
> [ 56.172134] pc : ct_kernel_exit.constprop.0+0x108/0x120
> [ 56.172354] lr : ct_idle_enter+0x10/0x20
> [ 56.172617] sp : ffffb7df5f753d40
> [ 56.172833] x29: ffffb7df5f753d40 x28: 00000000426120ac x27: 0000000000000000
> [ 56.173255] x26: 0000000000000000 x25: ffffb7df5f76bd00 x24: 0000000000000000
> [ 56.173675] x23: 0000000000000000 x22: ffffb7df5f75eba0 x21: ffffb7df5ecc9b78
> [ 56.173963] x20: ffffb7df5f75eac0 x19: ffff0000ff573c60 x18: ffffb7df5e2c3280
> [ 56.174260] x17: ffffb7df5dceaf80 x16: ffffb7df5c63b820 x15: ffffb7df5c623834
> [ 56.174643] x14: ffffb7df5c6235ac x13: ffffb7df5c62d00c x12: ffffb7df5c6a85b4
> [ 56.175266] x11: ffffb7df5c6a8544 x10: e1769a2bf2c5b3d9 x9 : ffffb7df5c7a1730
> [ 56.175720] x8 : ffffb7df5f753ca8 x7 : 0000000000000000 x6 : 0000000000000001
> [ 56.176028] x5 : 4000000000000002 x4 : ffff4821a08ac000 x3 : ffffb7df5f753d40
> [ 56.176315] x2 : ffffb7df5ecc7c60 x1 : 4000000000000000 x0 : ffffb7df5ecc7c60
> [ 56.176652] Call trace:
> [ 56.176791] ct_kernel_exit.constprop.0+0x108/0x120
> [ 56.177073] ct_idle_enter+0x10/0x20
> [ 56.177238] default_idle_call+0x44/0x168
> [ 56.177398] do_idle+0x244/0x2b8
> [ 56.177565] cpu_startup_entry+0x2c/0x40
> [ 56.177722] rest_init+0xfc/0x108
> [ 56.177873] arch_call_rest_init+0x18/0x20
> [ 56.178128] start_kernel+0x55c/0x6d8
> [ 56.178290] __primary_switched+0xbc/0xd0
> [ 56.178560] ---[ end trace 0000000000000000 ]---
>
>
>
> - Naresh
>
> >
> > Arnd
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