ioremap: invalid physical address 8000000000000000
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1
WARNING: arch/x86/mm/ioremap.c:206 at __ioremap_caller+0x51e/0x620 arch/x86/mm/ioremap.c:206, CPU#0: syz-executor409/5603
Modules linked in:
CPU: 0 UID: 0 PID: 5603 Comm: syz-executor409 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:__ioremap_caller+0x51e/0x620 arch/x86/mm/ioremap.c:206
Code: 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 e4 7f 4d 00 48 8b 74 24 60 48 c7 c7 a0 0b 6a 8b e8 e3 0d ae ff 90 <0f> 0b 90 e9 49 fd ff ff 4c 8b 74 24 28 41 81 e6 ff 0f 00 00 4d 01
RSP: 0018:ffffc90004c4f880 EFLAGS: 00010246
RAX: 0000000000000032 RBX: 1ffff92000989f00 RCX: 5b95166a22756f00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90004c4f990 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffff52000989ec1 R12: 0000000000020000
R13: 000000000000002e R14: 8000000000000fff R15: dffffc0000000000
FS:  0000555562d39400(0000) GS:ffff8881249bb000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005583c296b000 CR3: 000000002a3d8000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 phram_map drivers/mtd/devices/phram.c:92 [inline]
 register_device+0x12c/0x570 drivers/mtd/devices/phram.c:139
 phram_setup+0x412/0x620 drivers/mtd/devices/phram.c:324
 param_attr_store+0x214/0x310 kernel/params.c:591
 module_attr_store+0x65/0x90 kernel/params.c:906
 kernfs_fop_write_iter+0x3a5/0x540 fs/kernfs/file.c:345
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x61e/0xbb0 fs/read_write.c:687
 ksys_write+0x156/0x270 fs/read_write.c:739
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ffa7d609549
Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 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 d8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe9a9166e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000200000000100 RCX: 00007ffa7d609549
RDX: 000000000000001d RSI: 0000200000000200 RDI: 0000000000000003
RBP: 0000000000000001 R08: 0000000000000006 R09: 0000000000000006
R10: 0000000000000006 R11: 0000000000000246 R12: 00007ffe9a916858
R13: 0000200000000104 R14: 00007ffa7d69cc40 R15: 0000000000000002
 </TASK>