ioremap: invalid physical address 8000000000000000
------------[ cut here ]------------
1
WARNING: arch/x86/mm/ioremap.c:206 at __ioremap_caller.isra.0.cold+0x59/0xa4 arch/x86/mm/ioremap.c:206, CPU#0: syz.5.167/6775
Modules linked in:
CPU: 0 UID: 0 PID: 6775 Comm: syz.5.167 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
RIP: 0010:__ioremap_caller.isra.0.cold+0x59/0xa4 arch/x86/mm/ioremap.c:206
Code: 48 8b 34 24 48 c7 c7 00 2e 0c 8c e8 9a 22 01 00 e9 db 44 9b 00 e8 f0 10 ed 00 4c 89 ee 48 c7 c7 60 2c 0c 8c e8 81 22 01 00 90 <0f> 0b 90 e9 bb 44 9b 00 e8 d3 10 ed 00 41 0f b6 d7 4c 89 ee 48 c7
RSP: 0018:ffffc900036078d8 EFLAGS: 00010282
RAX: 0000000000000032 RBX: 1ffff920006c0f1f RCX: 0000000000000000
RDX: 0000000000000032 RSI: ffffffff81ec1119 RDI: fffff520006c0f0c
RBP: 0000000000001000 R08: 0000000000000000 R09: 0000000000000000
R10: ffffc9000360769f R11: 0000000000000001 R12: 8000000000000fff
R13: 8000000000000000 R14: 0000000000000002 R15: 0000000000020000
FS:  00007fbff2cb06c0(0000) GS:ffff88812247c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b335e9ff8 CR3: 000000004c5e9000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 phram_map drivers/mtd/devices/phram.c:92 [inline]
 register_device+0x1bb/0x6a0 drivers/mtd/devices/phram.c:139
 phram_setup+0x3b1/0x4c0 drivers/mtd/devices/phram.c:324
 phram_param_call+0xa6/0xd0 drivers/mtd/devices/phram.c:349
 param_attr_store+0x199/0x300 kernel/params.c:591
 module_attr_store+0x58/0x80 kernel/params.c:906
 sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:145
 kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:345
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x6af/0x1050 fs/read_write.c:687
 ksys_write+0x12a/0x250 fs/read_write.c:739
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbff1d9fb19
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fbff2cb0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fbff2025fa0 RCX: 00007fbff1d9fb19
RDX: 000000000000001e RSI: 0000200000000880 RDI: 000000000000000c
RBP: 00007fbff1e37b70 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fbff2026038 R14: 00007fbff2025fa0 R15: 00007fff8ab31418
 </TASK>
irq event stamp: 8583
hardirqs last  enabled at (8587): [<ffffffff81ec7853>] class_irqsave_destructor include/linux/irqflags.h:266 [inline]
hardirqs last  enabled at (8587): [<ffffffff81ec7853>] __nbcon_atomic_flush_pending_con+0x293/0x440 kernel/printk/nbcon.c:1583
hardirqs last disabled at (8625): [<ffffffff81cba86c>] handle_softirqs+0x77c/0xa20 kernel/softirq.c:684
softirqs last  enabled at (8626): [<ffffffff81cbad18>] __do_softirq kernel/softirq.c:703 [inline]
softirqs last  enabled at (8626): [<ffffffff81cbad18>] invoke_softirq kernel/softirq.c:542 [inline]
softirqs last  enabled at (8626): [<ffffffff81cbad18>] __irq_exit_rcu+0x178/0x220 kernel/softirq.c:786
softirqs last disabled at (8639): [<ffffffff81cbad18>] __do_softirq kernel/softirq.c:703 [inline]
softirqs last disabled at (8639): [<ffffffff81cbad18>] invoke_softirq kernel/softirq.c:542 [inline]
softirqs last disabled at (8639): [<ffffffff81cbad18>] __irq_exit_rcu+0x178/0x220 kernel/softirq.c:786
---[ end trace 0000000000000000 ]---
phram: ioremap failed