BUG: unable to handle page fault for address: ffffeedd2000006f
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 1183 Comm: udevd Not tainted 6.0.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
RIP: 0010:handle_pte_fault mm/memory.c:4889 [inline]
RIP: 0010:__handle_mm_fault+0x443/0x31c0 mm/memory.c:5053
Code: 00 00 00 00 80 88 ff ff 49 01 c4 4c 21 ed 48 b8 00 00 00 00 00 fc ff df 4c 01 e5 48 89 ea 48 89 ac 24 b8 00 00 00 48 c1 ea 03 <80> 3c 02 00 0f 85 f8 28 00 00 48 8b 45 00 81 8c 24 88 00 00 00 00
RSP: 0000:ffffc900005e7d28 EFLAGS: 00010a06
RAX: dffffc0000000000 RBX: 1ffff920000bcfab RCX: 0000000000000000
RDX: 1ffff2dd2000006f RSI: ffffffff816a1a27 RDI: 0000000000000007
RBP: ffff96e900000378 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888000000378
R13: 000ffffffffff000 R14: 000000010e69b067 R15: 000000010e69b007
FS: 00007f2499b00840(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffeedd2000006f CR3: 000000010e69d000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
handle_mm_fault+0x1c8/0x780 mm/memory.c:5151
do_user_addr_fault+0x475/0x1210 arch/x86/mm/fault.c:1397
handle_page_fault arch/x86/mm/fault.c:1488 [inline]
exc_page_fault+0x94/0x170 arch/x86/mm/fault.c:1544
asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0033:0x55664166f9fe
Code: Unable to access opcode bytes at RIP 0x55664166f9d4.
RSP: 002b:00007ffc16a72e80 EFLAGS: 00010203
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 00007f2499c65e46
RDX: 0000000000000004 RSI: 00007ffc16a72eb8 RDI: 0000000000000004
RBP: 00005566422dba10 R08: 0000000000000007 R09: 00005566422ea740
R10: 00000000ffffffff R11: 0000000000000246 R12: 00005566422fde30
R13: 00007ffc16a72eb8 R14: 00000000ffffffff R15: 00005566422c7910
</TASK>
Modules linked in:
CR2: ffffeedd2000006f
---[ end trace 0000000000000000 ]---
RIP: 0010:handle_pte_fault mm/memory.c:4889 [inline]
RIP: 0010:__handle_mm_fault+0x443/0x31c0 mm/memory.c:5053
Code: 00 00 00 00 80 88 ff ff 49 01 c4 4c 21 ed 48 b8 00 00 00 00 00 fc ff df 4c 01 e5 48 89 ea 48 89 ac 24 b8 00 00 00 48 c1 ea 03 <80> 3c 02 00 0f 85 f8 28 00 00 48 8b 45 00 81 8c 24 88 00 00 00 00
RSP: 0000:ffffc900005e7d28 EFLAGS: 00010a06
RAX: dffffc0000000000 RBX: 1ffff920000bcfab RCX: 0000000000000000
RDX: 1ffff2dd2000006f RSI: ffffffff816a1a27 RDI: 0000000000000007
RBP: ffff96e900000378 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888000000378
R13: 000ffffffffff000 R14: 000000010e69b067 R15: 000000010e69b007
FS: 00007f2499b00840(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055664166f9d4 CR3: 000000010e69d000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 00 00 add %al,(%rax)
4: 80 88 ff ff 49 01 c4 orb $0xc4,0x149ffff(%rax)
b: 4c 21 ed and %r13,%rbp
e: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
15: fc ff df
18: 4c 01 e5 add %r12,%rbp
1b: 48 89 ea mov %rbp,%rdx
1e: 48 89 ac 24 b8 00 00 mov %rbp,0xb8(%rsp)
25: 00
26: 48 c1 ea 03 shr $0x3,%rdx
* 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction
2e: 0f 85 f8 28 00 00 jne 0x292c
34: 48 8b 45 00 mov 0x0(%rbp),%rax
38: 81 .byte 0x81
39: 8c 24 88 mov %fs,(%rax,%rcx,4)
3c: 00 00 add %al,(%rax)