BUG: unable to handle page fault for address: ffffed104fdc215e
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 23ffeb067 P4D 23ffeb067 PUD 23ffe9067 PMD 0 
Oops: Oops: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 4944 Comm: syz.2.18 Not tainted 6.15.0-rc1-syzkaller #0 PREEMPT(undef) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:crypto_shash_import_core+0xe5/0x260 crypto/shash.c:256
Code: 8b 5d f0 48 83 c5 fc 48 89 e8 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 19 01 00 00 8b 6d 00 ff cb 48 01 fb 48 89 d8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 22 01 00 00 c6 03 00 49 8b 1f 4c 8d 7b
RSP: 0018:ffffc90003f97bf8 EFLAGS: 00010a03
RAX: 1ffff1104fdc215e RBX: ffff88827ee10af7 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000010 RDI: ffff88817ee10af8
RBP: 0000000000000000 R08: ffff8881725841c3 R09: 1ffff1102e4b0838
R10: dffffc0000000000 R11: ffffed102e4b0839 R12: 0000000000000001
R13: dffffc0000000000 R14: ffff88817ee10af0 R15: ffff8881790a6498
FS:  00007fc4a0bfe6c0(0000) GS:ffff88826ced3000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed104fdc215e CR3: 0000000170b50000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 crypto_shash_import+0x42/0x1d0 crypto/shash.c:274
 hash_accept+0x1c9/0x310 crypto/algif_hash.c:267
 do_accept+0x457/0x620 net/socket.c:1924
 __sys_accept4_file net/socket.c:1964 [inline]
 __sys_accept4+0xd7/0x160 net/socket.c:1993
 __do_sys_accept net/socket.c:2006 [inline]
 __se_sys_accept net/socket.c:2003 [inline]
 __x64_sys_accept+0x78/0x90 net/socket.c:2003
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x8f/0x170 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc4a198e969
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc4a0bfe038 EFLAGS: 00000246 ORIG_RAX: 000000000000002b
RAX: ffffffffffffffda RBX: 00007fc4a1bb5fa0 RCX: 00007fc4a198e969
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007fc4a1a10ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc4a1bb5fa0 R15: 00007ffeaf86e9a8
 </TASK>
Modules linked in:
CR2: ffffed104fdc215e
---[ end trace 0000000000000000 ]---
RIP: 0010:crypto_shash_import_core+0xe5/0x260 crypto/shash.c:256
Code: 8b 5d f0 48 83 c5 fc 48 89 e8 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 19 01 00 00 8b 6d 00 ff cb 48 01 fb 48 89 d8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 22 01 00 00 c6 03 00 49 8b 1f 4c 8d 7b
RSP: 0018:ffffc90003f97bf8 EFLAGS: 00010a03
RAX: 1ffff1104fdc215e RBX: ffff88827ee10af7 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000010 RDI: ffff88817ee10af8
RBP: 0000000000000000 R08: ffff8881725841c3 R09: 1ffff1102e4b0838
R10: dffffc0000000000 R11: ffffed102e4b0839 R12: 0000000000000001
R13: dffffc0000000000 R14: ffff88817ee10af0 R15: ffff8881790a6498
FS:  00007fc4a0bfe6c0(0000) GS:ffff88826ced3000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed104fdc215e CR3: 0000000170b50000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	8b 5d f0             	mov    -0x10(%rbp),%ebx
   3:	48 83 c5 fc          	add    $0xfffffffffffffffc,%rbp
   7:	48 89 e8             	mov    %rbp,%rax
   a:	48 c1 e8 03          	shr    $0x3,%rax
   e:	42 0f b6 04 28       	movzbl (%rax,%r13,1),%eax
  13:	84 c0                	test   %al,%al
  15:	0f 85 19 01 00 00    	jne    0x134
  1b:	8b 6d 00             	mov    0x0(%rbp),%ebp
  1e:	ff cb                	dec    %ebx
  20:	48 01 fb             	add    %rdi,%rbx
  23:	48 89 d8             	mov    %rbx,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 0f b6 04 28       	movzbl (%rax,%r13,1),%eax <-- trapping instruction
  2f:	84 c0                	test   %al,%al
  31:	0f 85 22 01 00 00    	jne    0x159
  37:	c6 03 00             	movb   $0x0,(%rbx)
  3a:	49 8b 1f             	mov    (%r15),%rbx
  3d:	4c                   	rex.WR
  3e:	8d                   	.byte 0x8d
  3f:	7b                   	.byte 0x7b