ioremap: invalid physical address 8000000000000000 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7298 at arch/x86/mm/ioremap.c:206 __ioremap_caller+0x4fb/0x620 arch/x86/mm/ioremap.c:204 Modules linked in: CPU: 0 PID: 7298 Comm: syz.3.319 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 RIP: 0010:__ioremap_caller+0x4fb/0x620 arch/x86/mm/ioremap.c:206 Code: 85 02 01 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 26 e9 4a 00 48 8b 74 24 60 48 c7 c7 40 78 e8 8a e8 b5 58 4e 09 <0f> 0b eb 8e 4c 8b 74 24 28 41 81 e6 ff 0f 00 00 4d 01 e6 48 8b 7c RSP: 0018:ffffc9001886f8e0 EFLAGS: 00010246 RAX: 0000000000000032 RBX: 1ffff9200310df00 RCX: b58d3f191386ca00 RDX: ffffc9000d7ac000 RSI: 0000000000004a62 RDI: 0000000000004a63 RBP: ffffc9001886f9f0 R08: ffffc9001886f5e7 R09: 1ffff9200310debc R10: dffffc0000000000 R11: fffff5200310debd R12: 0000000000020000 R13: 000000000000002e R14: 8000000000000fff R15: dffffc0000000000 FS: 00007fe1e94806c0(0000) GS:ffff8880b8c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c34db9c CR3: 000000005cc42000 CR4: 00000000003506f0 Call Trace: phram_map drivers/mtd/devices/phram.c:91 [inline] register_device+0x129/0x570 drivers/mtd/devices/phram.c:138 phram_setup+0x3fa/0x600 drivers/mtd/devices/phram.c:323 param_attr_store+0x20e/0x300 kernel/params.c:594 module_attr_store+0x5f/0x80 kernel/params.c:916 kernfs_fop_write_iter+0x3a4/0x520 fs/kernfs/file.c:352 call_write_iter include/linux/fs.h:2019 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x474/0x9a0 fs/read_write.c:584 ksys_write+0x151/0x260 fs/read_write.c:637 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fe1e859f559 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:00007fe1e9480028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fe1e8825fa0 RCX: 00007fe1e859f559 RDX: 000000000000001e RSI: 0000200000000600 RDI: 0000000000000008 RBP: 00007fe1e8636b20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fe1e8826038 R14: 00007fe1e8825fa0 R15: 00007fff6feed7f8 irq event stamp: 3825 hardirqs last enabled at (3879): [] __up_console_sem kernel/printk/printk.c:347 [inline] hardirqs last enabled at (3879): [] __console_unlock kernel/printk/printk.c:2752 [inline] hardirqs last enabled at (3879): [] console_unlock+0x15c/0x350 kernel/printk/printk.c:3071 hardirqs last disabled at (3888): [] __up_console_sem kernel/printk/printk.c:345 [inline] hardirqs last disabled at (3888): [] __console_unlock kernel/printk/printk.c:2752 [inline] hardirqs last disabled at (3888): [] console_unlock+0x141/0x350 kernel/printk/printk.c:3071 softirqs last enabled at (3912): [] __do_softirq kernel/softirq.c:612 [inline] softirqs last enabled at (3912): [] invoke_softirq kernel/softirq.c:452 [inline] softirqs last enabled at (3912): [] __irq_exit_rcu+0xd3/0x190 kernel/softirq.c:661 softirqs last disabled at (3925): [] __do_softirq kernel/softirq.c:612 [inline] softirqs last disabled at (3925): [] invoke_softirq kernel/softirq.c:452 [inline] softirqs last disabled at (3925): [] __irq_exit_rcu+0xd3/0x190 kernel/softirq.c:661 ---[ end trace 0000000000000000 ]--- phram: ioremap failed