BUG: unable to handle page fault for address: fffffffffffffff8
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD c570067 P4D c570067 PUD c572067 PMD 0
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 17236 Comm: modprobe Not tainted 6.2.0-rc6-next-20230203-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
RIP: 0010:anon_vma_clone+0x101/0x5e0 mm/rmap.c:296
Code: d5 81 0d 00 48 85 c0 48 89 c5 0f 84 2c 02 00 00 e8 a4 e5 be ff 49 8d 7d 08 48 89 f8 48 c1 e8 03 80 3c 18 00 0f 85 e0 03 00 00 <4d> 8b 65 08 4c 89 e0 48 c1 e8 03 80 3c 18 00 0f 85 d5 03 00 00 4d
RSP: 0018:ffffc9000361f858 EFLAGS: 00010246
RAX: 1fffffffffffffff RBX: dffffc0000000000 RCX: 0000000000000000
RDX: ffff88807e63d7c0 RSI: ffffffff81c584fc RDI: fffffffffffffff8
RBP: ffff88805cb6f5b0 R08: 00000000ffffffff R09: ffff88805cb6f5b0
R10: 0000000000000050 R11: 0000000000094001 R12: 0000000000000000
R13: fffffffffffffff0 R14: ffff88804db667e0 R15: ffffc9000361fcd0
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffff8 CR3: 000000005cb1f000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
__split_vma+0x289/0x810 mm/mmap.c:2191
do_vmi_align_munmap+0x22a/0xf60 mm/mmap.c:2302
do_vmi_munmap+0x26e/0x2c0 mm/mmap.c:2452
mmap_region+0x1ee/0x2690 mm/mmap.c:2500
do_mmap+0x831/0xf60 mm/mmap.c:1364
vm_mmap_pgoff+0x1af/0x280 mm/util.c:542
ksys_mmap_pgoff+0x41f/0x5a0 mm/mmap.c:1410
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fe1fabaf1f2
Code: 04 00 00 5b 5d 41 5c c3 41 f7 c1 ff 0f 00 00 75 27 55 48 89 fd 53 89 cb 48 85 ff 74 33 41 89 da 48 89 ef b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 56 5b 5d c3 0f 1f 00 c7 05 9e 1f 01 00 16 00
RSP: 002b:00007ffe19763cf8 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007fe1fabaf1f2
RDX: 0000000000000003 RSI: 0000000000002000 RDI: 00007fe1fa86a000
RBP: 00007fe1fa86a000 R08: 0000000000000000 R09: 0000000000002000
R10: 0000000000000812 R11: 0000000000000206 R12: 00007ffe19763d10
R13: 00007ffe19763da0 R14: 0000000000000003 R15: 00007fe1fa86c000
</TASK>
Modules linked in:
CR2: fffffffffffffff8
---[ end trace 0000000000000000 ]---
RIP: 0010:anon_vma_clone+0x101/0x5e0 mm/rmap.c:296
Code: d5 81 0d 00 48 85 c0 48 89 c5 0f 84 2c 02 00 00 e8 a4 e5 be ff 49 8d 7d 08 48 89 f8 48 c1 e8 03 80 3c 18 00 0f 85 e0 03 00 00 <4d> 8b 65 08 4c 89 e0 48 c1 e8 03 80 3c 18 00 0f 85 d5 03 00 00 4d
RSP: 0018:ffffc9000361f858 EFLAGS: 00010246
RAX: 1fffffffffffffff RBX: dffffc0000000000 RCX: 0000000000000000
RDX: ffff88807e63d7c0 RSI: ffffffff81c584fc RDI: fffffffffffffff8
RBP: ffff88805cb6f5b0 R08: 00000000ffffffff R09: ffff88805cb6f5b0
R10: 0000000000000050 R11: 0000000000094001 R12: 0000000000000000
R13: fffffffffffffff0 R14: ffff88804db667e0 R15: ffffc9000361fcd0
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffff8 CR3: 000000005cb1f000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 81 0d 00 48 85 c0 48 orl $0xfc58948,-0x3f7ab800(%rip) # 0xc085480a
7: 89 c5 0f
a: 84 2c 02 test %ch,(%rdx,%rax,1)
d: 00 00 add %al,(%rax)
f: e8 a4 e5 be ff callq 0xffbee5b8
14: 49 8d 7d 08 lea 0x8(%r13),%rdi
18: 48 89 f8 mov %rdi,%rax
1b: 48 c1 e8 03 shr $0x3,%rax
1f: 80 3c 18 00 cmpb $0x0,(%rax,%rbx,1)
23: 0f 85 e0 03 00 00 jne 0x409
* 29: 4d 8b 65 08 mov 0x8(%r13),%r12 <-- trapping instruction
2d: 4c 89 e0 mov %r12,%rax
30: 48 c1 e8 03 shr $0x3,%rax
34: 80 3c 18 00 cmpb $0x0,(%rax,%rbx,1)
38: 0f 85 d5 03 00 00 jne 0x413
3e: 4d rex.WRB