Bug#1120534: kernel: general protection fault, probably for non-canonical address
Control: tags -1 + moreinfo
Hi Jorge,
On Tue, Nov 11, 2025 at 08:02:08PM +0100, Jorge wrote:
> Package: src:linux
> Version: 6.12.43-1~bpo12+1
> Severity: critical
> Justification: breaks the whole system
> X-Debbugs-Cc: me@jefsilva.net
>
> Dear Maintainer,
>
> *** Reporter, please consider answering these questions, where appropriate ***
>
> * What led up to the situation?
> * What exactly did you do (or not do) that was effective (or
> ineffective)?
> * What was the outcome of this action?
> * What outcome did you expect instead?
>
> *** End of the template - remove these template lines ***
>
>
> -- Package-specific info:
> ** Version:
> Linux version 6.12.43+deb12-amd64 (debian-kernel@lists.debian.org) (x86_64-linux-gnu-gcc-12 (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40) #1 SMP PREEMPT_DYNAMIC Debian 6.12.43-1~bpo12+1 (2025-09-06)
>
> ** Command line:
> BOOT_IMAGE=/boot/vmlinuz-6.12.43+deb12-amd64 root=UUID=1052c7fb-e34d-44eb-8359-7fef4ece0dd1 ro quiet
> Nov 11 19:40:00 noonas kernel: general protection fault, probably for non-canonical address 0x20d120d11702173a: 0000 [#1] PREEMPT SMP NOPTI
> Nov 11 19:40:00 noonas kernel: CPU: 7 PID: 2376 Comm: md0_resync Not tainted 6.1.0-40-amd64 #1 Debian 6.1.153-1
> Nov 11 19:40:00 noonas kernel: Hardware name: QS QS-ADLN-8654/Default string, BIOS 5.27 09/06/2024
> Nov 11 19:40:00 noonas kernel: RIP: 0010:find_get_stripe+0x3c/0x190 [raid456]
> Nov 11 19:40:00 noonas kernel: Code: 54 41 89 d4 55 48 89 f5 53 66 90 49 8b 06 48 89 ea 81 e2 f8 0f 00 00 48 8b 1c 02 48 85 db 75 0a eb 38 48 8b 1b 48 85 db 74 30 <48> 3b 6b 38 75 f2 66 44 3b 63 30 >
> Nov 11 19:40:00 noonas kernel: RSP: 0018:ffffafe4ac3e3c20 EFLAGS: 00010002
> Nov 11 19:40:00 noonas kernel: RAX: ffff92ee10dd1000 RBX: 20d120d117021702 RCX: 0000000000000000
> Nov 11 19:40:00 noonas kernel: RDX: 0000000000000fc0 RSI: 000000001f8d1fc0 RDI: ffff92edcbd30800
> Nov 11 19:40:00 noonas kernel: RBP: 000000001f8d1fc0 R08: 0000000000000000 R09: 0000000000000000
> Nov 11 19:40:00 noonas kernel: R10: ffff92edd4035f00 R11: 0000000000000006 R12: 0000000000000000
> Nov 11 19:40:00 noonas kernel: R13: 0000000000000000 R14: ffff92edcbd30800 R15: 000000001f8d1fc0
> Nov 11 19:40:00 noonas kernel: FS: 0000000000000000(0000) GS:ffff92f12fbc0000(0000) knlGS:0000000000000000
> Nov 11 19:40:00 noonas kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> Nov 11 19:40:00 noonas kernel: CR2: 00007f1f5c072838 CR3: 0000000150d7c002 CR4: 0000000000770ee0
> Nov 11 19:40:00 noonas kernel: PKRU: 55555554
> Nov 11 19:40:00 noonas kernel: Call Trace:
> Nov 11 19:40:00 noonas kernel: <TASK>
> Nov 11 19:40:00 noonas kernel: raid5_get_active_stripe+0x11f/0x510 [raid456]
> Nov 11 19:40:00 noonas kernel: ? raid5_release_stripe+0xa3/0x120 [raid456]
> Nov 11 19:40:00 noonas kernel: raid5_sync_request+0x233/0x3d0 [raid456]
> Nov 11 19:40:00 noonas kernel: ? is_mddev_idle+0x112/0x125 [md_mod]
> Nov 11 19:40:00 noonas kernel: md_do_sync.cold+0x3ff/0x991 [md_mod]
> Nov 11 19:40:00 noonas kernel: ? cpuusage_read+0x10/0x10
> Nov 11 19:40:00 noonas kernel: ? unregister_md_personality+0x70/0x70 [md_mod]
> Nov 11 19:40:00 noonas kernel: md_thread+0xa7/0x180 [md_mod]
> Nov 11 19:40:00 noonas kernel: kthread+0xd7/0x100
> Nov 11 19:40:00 noonas kernel: ? kthread_complete_and_exit+0x20/0x20
> Nov 11 19:40:00 noonas kernel: ret_from_fork+0x1f/0x30
> Nov 11 19:40:00 noonas kernel: </TASK>
> Nov 11 19:40:00 noonas kernel: Modules linked in: cpuid cpufreq_userspace cpufreq_powersave cpufreq_conservative cpufreq_ondemand sunrpc binfmt_misc nls_ascii nls_cp437 vfat fat intel_rapl_msr intel>
> Nov 11 19:40:00 noonas kernel: i2c_algo_bit intel_pmc_core acpi_tad acpi_pad cfg80211 button rfkill softdog drm watchdog loop fuse dm_mod efi_pstore configfs ip_tables x_tables autofs4 ext4 crc16 m>
> Nov 11 19:40:00 noonas kernel: ---[ end trace 0000000000000000 ]---
> Nov 11 19:40:00 noonas kernel: RIP: 0010:find_get_stripe+0x3c/0x190 [raid456]
> Nov 11 19:40:00 noonas kernel: Code: 54 41 89 d4 55 48 89 f5 53 66 90 49 8b 06 48 89 ea 81 e2 f8 0f 00 00 48 8b 1c 02 48 85 db 75 0a eb 38 48 8b 1b 48 85 db 74 30 <48> 3b 6b 38 75 f2 66 44 3b 63 30 >
> Nov 11 19:40:00 noonas kernel: RSP: 0018:ffffafe4ac3e3c20 EFLAGS: 00010002
> Nov 11 19:40:00 noonas kernel: RAX: ffff92ee10dd1000 RBX: 20d120d117021702 RCX: 0000000000000000
> Nov 11 19:40:00 noonas kernel: RDX: 0000000000000fc0 RSI: 000000001f8d1fc0 RDI: ffff92edcbd30800
> Nov 11 19:40:00 noonas kernel: RBP: 000000001f8d1fc0 R08: 0000000000000000 R09: 0000000000000000
> Nov 11 19:40:00 noonas kernel: R10: ffff92edd4035f00 R11: 0000000000000006 R12: 0000000000000000
> Nov 11 19:40:00 noonas kernel: R13: 0000000000000000 R14: ffff92edcbd30800 R15: 000000001f8d1fc0
> Nov 11 19:40:00 noonas kernel: FS: 0000000000000000(0000) GS:ffff92f12fbc0000(0000) knlGS:0000000000000000
> Nov 11 19:40:00 noonas kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> Nov 11 19:40:00 noonas kernel: CR2: 00007f1f5c072838 CR3: 0000000150d7c002 CR4: 0000000000770ee0
> Nov 11 19:40:00 noonas kernel: PKRU: 55555554
> Nov 11 19:40:00 noonas kernel: note: md0_resync[2376] exited with irqs disabled
> Nov 11 19:40:00 noonas kernel: note: md0_resync[2376] exited with preempt_count 1
>
> Nov 11 19:40:00 noonas kernel: ------------[ cut here ]------------
> Nov 11 19:40:00 noonas kernel: WARNING: CPU: 7 PID: 2376 at kernel/exit.c:816 do_exit+0x8dd/0xaf0
> Nov 11 19:40:00 noonas kernel: Modules linked in: cpuid cpufreq_userspace cpufreq_powersave cpufreq_conservative cpufreq_ondemand sunrpc binfmt_misc nls_ascii nls_cp437 vfat fat intel_rapl_msr intel>
> Nov 11 19:40:00 noonas kernel: i2c_algo_bit intel_pmc_core acpi_tad acpi_pad cfg80211 button rfkill softdog drm watchdog loop fuse dm_mod efi_pstore configfs ip_tables x_tables autofs4 ext4 crc16 m>
> Nov 11 19:40:00 noonas kernel: CPU: 7 PID: 2376 Comm: md0_resync Tainted: G D 6.1.0-40-amd64 #1 Debian 6.1.153-1
> Nov 11 19:40:00 noonas kernel: Hardware name: QS QS-ADLN-8654/Default string, BIOS 5.27 09/06/2024
> Nov 11 19:40:00 noonas kernel: RIP: 0010:do_exit+0x8dd/0xaf0
> Nov 11 19:40:00 noonas kernel: Code: c4 fd ff ff 48 89 df e8 71 44 0f 00 e9 6b f9 ff ff 0f 0b e9 73 f7 ff ff 4c 89 e6 bf 05 06 00 00 e8 68 ee 00 00 e9 4c f8 ff ff <0f> 0b e9 96 f7 ff ff 48 8b bb 00 >
> Nov 11 19:40:00 noonas kernel: RSP: 0018:ffffafe4ac3e3ed8 EFLAGS: 00010286
> Nov 11 19:40:00 noonas kernel: RAX: 0000000400000000 RBX: ffff92edf84c99c0 RCX: 0000000080000000
> Nov 11 19:40:00 noonas kernel: RDX: 0000000000000001 RSI: 0000000000002710 RDI: ffff92edcaf198c0
> Nov 11 19:40:00 noonas kernel: RBP: ffff92ee0033d580 R08: 0000000000000000 R09: ffffafe4ac3e3dd0
> Nov 11 19:40:00 noonas kernel: R10: 0000000000000003 R11: ffffffff9ded4448 R12: 000000000000000b
> Nov 11 19:40:00 noonas kernel: R13: ffff92edcaf198c0 R14: 0000000000000000 R15: 0000000000000000
> Nov 11 19:40:00 noonas kernel: FS: 0000000000000000(0000) GS:ffff92f12fbc0000(0000) knlGS:0000000000000000
> Nov 11 19:40:00 noonas kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> Nov 11 19:40:00 noonas kernel: CR2: 00007f1f5c072838 CR3: 0000000150d7c002 CR4: 0000000000770ee0
> Nov 11 19:40:00 noonas kernel: PKRU: 55555554
> Nov 11 19:40:00 noonas kernel: Call Trace:
> Nov 11 19:40:00 noonas kernel: <TASK>
> Nov 11 19:40:00 noonas kernel: make_task_dead+0x8d/0x90
> Nov 11 19:40:00 noonas kernel: rewind_stack_and_make_dead+0x17/0x20
> Nov 11 19:40:00 noonas kernel: RIP: 0000:0x0
> Nov 11 19:40:00 noonas kernel: Code: Unable to access opcode bytes at 0xffffffffffffffd6.
> Nov 11 19:40:00 noonas kernel: RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000
> Nov 11 19:40:00 noonas kernel: RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
> Nov 11 19:40:00 noonas kernel: RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
> Nov 11 19:40:00 noonas kernel: RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
> Nov 11 19:40:00 noonas kernel: R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
> Nov 11 19:40:00 noonas kernel: R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
> Nov 11 19:40:00 noonas kernel: </TASK>
> Nov 11 19:40:00 noonas kernel: ---[ end trace 0000000000000000 ]---
> Nov 11 19:40:21 noonas kernel: NMI watchdog: Watchdog detected hard LOCKUP on cpu 1
> Nov 11 19:40:21 noonas kernel: Modules linked in: cpuid cpufreq_userspace cpufreq_powersave cpufreq_conservative cpufreq_ondemand sunrpc binfmt_misc nls_ascii nls_cp437 vfat fat intel_rapl_msr intel>
> Nov 11 19:40:21 noonas kernel: i2c_algo_bit intel_pmc_core acpi_tad acpi_pad cfg80211 button rfkill softdog drm watchdog loop fuse dm_mod efi_pstore configfs ip_tables x_tables autofs4 ext4 crc16 m>
> Nov 11 19:40:21 noonas kernel: CPU: 1 PID: 226 Comm: md0_raid5 Tainted: G D W 6.1.0-40-amd64 #1 Debian 6.1.153-1
> Nov 11 19:40:21 noonas kernel: Hardware name: QS QS-ADLN-8654/Default string, BIOS 5.27 09/06/2024
> Nov 11 19:40:21 noonas kernel: RIP: 0010:native_queued_spin_lock_slowpath+0x69/0x2a0
> Nov 11 19:40:21 noonas kernel: Code: 00 77 75 f0 0f ba 2b 08 0f 92 c2 8b 03 0f b6 d2 c1 e2 08 30 e4 09 d0 3d ff 00 00 00 77 51 85 c0 74 0e 8b 03 84 c0 74 08 f3 90 <8b> 03 84 c0 75 f8 b8 01 00 00 00 >
> Nov 11 19:40:21 noonas kernel: RSP: 0018:ffffafe480a4fcd0 EFLAGS: 00000002
> Nov 11 19:40:21 noonas kernel: RAX: 0000000000000101 RBX: ffff92edcbd30808 RCX: ffff92edd4294290
> Nov 11 19:40:21 noonas kernel: RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff92edcbd30808
> Nov 11 19:40:21 noonas kernel: RBP: 0000000000000000 R08: ffff92edd4295f10 R09: ffffafe480a4fbd8
> Nov 11 19:40:21 noonas kernel: R10: 0000000000000007 R11: 0000000000000000 R12: ffff92edcbd30800
> Nov 11 19:40:21 noonas kernel: R13: 00000000ffffffff R14: ffff92edcbd30808 R15: 0000000000000000
> Nov 11 19:40:21 noonas kernel: FS: 0000000000000000(0000) GS:ffff92f12fa40000(0000) knlGS:0000000000000000
> Nov 11 19:40:21 noonas kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> Nov 11 19:40:21 noonas kernel: CR2: 00007f8968697438 CR3: 00000003a0210002 CR4: 0000000000770ee0
> Nov 11 19:40:21 noonas kernel: PKRU: 55555554
> Nov 11 19:40:21 noonas kernel: Call Trace:
> Nov 11 19:40:21 noonas kernel: <TASK>
> Nov 11 19:40:21 noonas kernel: _raw_spin_lock_irqsave+0x39/0x50
> Nov 11 19:40:21 noonas kernel: release_inactive_stripe_list+0x5e/0x160 [raid456]
> Nov 11 19:40:21 noonas kernel: handle_active_stripes.constprop.0+0x33d/0x560 [raid456]
> Nov 11 19:40:21 noonas kernel: raid5d+0x48a/0x6b0 [raid456]
> Nov 11 19:40:21 noonas kernel: ? __schedule+0x355/0x9e0
> Nov 11 19:40:21 noonas kernel: ? schedule+0x5a/0xd0
> Nov 11 19:40:21 noonas kernel: ? unregister_md_personality+0x70/0x70 [md_mod]
> Nov 11 19:40:21 noonas kernel: md_thread+0xa7/0x180 [md_mod]
> Nov 11 19:40:21 noonas kernel: ? cpuusage_read+0x10/0x10
> Nov 11 19:40:21 noonas kernel: kthread+0xd7/0x100
> Nov 11 19:40:21 noonas kernel: ? kthread_complete_and_exit+0x20/0x20
> Nov 11 19:40:21 noonas kernel: ret_from_fork+0x1f/0x30
> Nov 11 19:40:21 noonas kernel: </TASK>
> Nov 11 19:40:21 noonas kernel: rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
> Nov 11 19:40:21 noonas kernel: rcu: 1-...0: (14 ticks this GP) idle=03ec/1/0x4000000000000000 softirq=25703/25703 fqs=1052
> Nov 11 19:40:21 noonas kernel: (detected by 6, t=5254 jiffies, g=23393, q=21304 ncpus=8)
> Nov 11 19:40:21 noonas kernel: Sending NMI from CPU 6 to CPUs 1:
Can you please run a memtest on the affected system to verify/confirm
if there is actually bad RAM DIMMs?
Regards,
Salvatore
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