linux-kernel - Oops with v6.6-rc6+

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Date:   Sun, 22 Oct 2023 17:27:00 +0200
From:   Julian Wollrath <jwollrath@....de>
To:     linux-kernel@...r.kernel.org
Subject: Oops with v6.6-rc6+

Dear maintainers,

on v6.6-rc6+ (git commit hash 1acfd2bd3f0d) I got the following oops:

BUG: unable to handle page fault for address: fffffffffffffff8
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 343212067 P4D 343212067 PUD 343214067 PMD 0
Oops: 0000 [#1] PREEMPT SMP NOPTI
CPU: 2 PID: 13243 Comm: colord-sane Not tainted 6.6.0-rc6+ #9
Hardware name: LENOVO 21K4S07400/21K4S07400, BIOS R2FET31W (1.11 ) 08/03/2023
RIP: 0010:klist_next+0x6e/0x150
Code: 18 83 f8 01 0f 84 84 00 00 00 85 c0 0f 8e ce 00 00 00 48 8b 45 00 45 31 ed 48 c7 45 08 00 00 00 00 48 39 c3 0f 84 cc 00 00 00 <f6> 03 01 75 7d 48 8d 7b 18 b8 01 00 00 00 f0 0f c1 43 18 85 c0 0f
RSP: 0018:ffffb8b907f6fcc8 EFLAGS: 00010002
RAX: ffff9c0aaba218a0 RBX: fffffffffffffff8 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffb8b907f6fcf8 RDI: ffff9c0aaba218a0
RBP: ffffb8b907f6fcf8 R08: ffffb8b907f6fce0 R09: 0000000000000000
R10: 0000000000030680 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000246 R15: 0000000000000000
FS:  00007f12a5c77940(0000) GS:ffff9c10fec80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffff8 CR3: 00000001cb102000 CR4: 0000000000750ee0
PKRU: 55555554
Call Trace:
 <TASK>
 ? __die+0x23/0x70
 ? page_fault_oops+0x181/0x4b0
 ? srso_alias_return_thunk+0x5/0x7f
 ? exc_page_fault+0x11c/0x130
 ? asm_exc_page_fault+0x26/0x30
 ? klist_next+0x6e/0x150
 ? klist_next+0x1f/0x150
 ? device_match_devt+0x20/0x20
 bus_find_device+0x75/0xe0
 scsi_seq_start+0x42/0x60 [scsi_mod]
 seq_read_iter+0xfc/0x480
 seq_read+0xd4/0x100
 proc_reg_read+0x59/0xa0
 vfs_read+0xaa/0x370
 ? srso_alias_return_thunk+0x5/0x7f
 ? __do_sys_newfstatat+0x4e/0x80
 ? srso_alias_return_thunk+0x5/0x7f
 ? __fget_light+0x99/0x100
 ksys_read+0x6f/0xf0
 do_syscall_64+0x3c/0x90
 entry_SYSCALL_64_after_hwframe+0x4b/0xb5
RIP: 0033:0x7f12a680fa9c
Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 d9 cf f8 ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 2f d0 f8 ff 48
RSP: 002b:00007ffd3ea95490 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 000055c0b2164cb0 RCX: 00007f12a680fa9c
RDX: 0000000000000400 RSI: 000055c0b214f4a0 RDI: 000000000000000c
RBP: 00007f12a68e8600 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000001000 R11: 0000000000000246 R12: 000000000000000a
R13: 0000000000000a68 R14: 00007f12a68e7d00 R15: 0000000000000a68
 </TASK>
CR2: fffffffffffffff8
---[ end trace 0000000000000000 ]---
RIP: 0010:klist_next+0x6e/0x150
Code: 18 83 f8 01 0f 84 84 00 00 00 85 c0 0f 8e ce 00 00 00 48 8b 45 00 45 31 ed 48 c7 45 08 00 00 00 00 48 39 c3 0f 84 cc 00 00 00 <f6> 03 01 75 7d 48 8d 7b 18 b8 01 00 00 00 f0 0f c1 43 18 85 c0 0f
RSP: 0018:ffffb8b907f6fcc8 EFLAGS: 00010002
RAX: ffff9c0aaba218a0 RBX: fffffffffffffff8 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffb8b907f6fcf8 RDI: ffff9c0aaba218a0
RBP: ffffb8b907f6fcf8 R08: ffffb8b907f6fce0 R09: 0000000000000000
R10: 0000000000030680 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000246 R15: 0000000000000000
FS:  00007f12a5c77940(0000) GS:ffff9c10fec80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffff8 CR3: 00000001cb102000 CR4: 0000000000750ee0
PKRU: 55555554



Best regards,
Julian Wollrath

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