Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2024/04/27 | linux-6.1.y (ToT) | 6741e066ec76 | C | [report] WARNING in __virt_to_phys |
2024/04/27 | upstream (ToT) | 5eb4573ea63d | C | Didn't crash |
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sign-in | mailing list | source | docs |
Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2024/04/27 | linux-6.1.y (ToT) | 6741e066ec76 | C | [report] WARNING in __virt_to_phys |
2024/04/27 | upstream (ToT) | 5eb4573ea63d | C | Didn't crash |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | WARNING in __virt_to_phys (2) ntfs3 | C | 2 | 574d | 570d | 0/28 | auto-obsoleted due to no activity on 2023/08/23 09:02 | ||
linux-6.1 | WARNING in __virt_to_phys origin:lts-only | C | done | 1 | 565d | 572d | 3/3 | fixed on 2023/06/19 12:27 | |
upstream | WARNING in __virt_to_phys (4) bcachefs | C | 2 | 156d | 152d | 26/28 | fixed on 2024/07/13 18:41 | ||
upstream | WARNING in __virt_to_phys (3) bcachefs | C | 447 | 181d | 214d | 25/28 | fixed on 2024/06/05 13:52 | ||
upstream | WARNING in __virt_to_phys (5) bcachefs | 4 | 112d | 108d | 27/28 | fixed on 2024/08/29 18:29 | |||
linux-5.15 | WARNING in __virt_to_phys | C | error | 4 | 55d | 569d | 0/3 | upstream: reported C repro on 2023/05/14 19:50 | |
upstream | WARNING in __virt_to_phys nilfs | C | 19 | 722d | 806d | 0/28 | closed as dup on 2022/09/19 06:44 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2024/07/23 15:29 | 2h12m | fix candidate | upstream | OK (0) job log | |
2024/05/30 22:50 | 12m | bisect fix | linux-6.1.y | error job log |
loop0: detected capacity change from 0 to 4096 ------------[ cut here ]------------ virt_to_phys used for non-linear address: 0000000029a40bb7 (0xffff80001f109000) WARNING: CPU: 0 PID: 4221 at arch/arm64/mm/physaddr.c:15 __virt_to_phys+0x84/0x9c arch/arm64/mm/physaddr.c:17 Modules linked in: CPU: 0 PID: 4221 Comm: syz-executor309 Not tainted 6.1.87-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 pstate: 60401005 (nZCv daif +PAN -UAO -TCO -DIT +SSBS BTYPE=--) pc : __virt_to_phys+0x84/0x9c arch/arm64/mm/physaddr.c:17 lr : __virt_to_phys+0x80/0x9c arch/arm64/mm/physaddr.c:12 sp : ffff80001e3078e0 x29: ffff80001e3078e0 x28: 1ffff00002b09aa9 x27: dfff800000000000 x26: 0000000000000002 x25: 1fffe0001976a4cf x24: dfff800000000000 x23: dfff800000000000 x22: ffff0000d7d44900 x21: 0000000000040000 x20: 000080001f109000 x19: ffff80001f109000 x18: ffff80001e306ce0 x17: 6666783028203762 x16: ffff80001215c9dc x15: 0000000000000000 x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000000001 x11: 0000000000ff0100 x10: 0000000000000000 x9 : e33d9ce777365600 x8 : ffff800015262000 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001e3071d8 x4 : ffff800015932b00 x3 : ffff80000858856c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: __virt_to_phys+0x84/0x9c arch/arm64/mm/physaddr.c:17 virt_to_folio include/linux/mm.h:898 [inline] kfree+0x90/0x1b8 mm/slab_common.c:999 put_ntfs+0x80/0x240 fs/ntfs3/super.c:444 ntfs_put_super+0xbc/0x10c fs/ntfs3/super.c:486 generic_shutdown_super+0x130/0x328 fs/super.c:501 kill_block_super+0x70/0xdc fs/super.c:1459 deactivate_locked_super+0xac/0x124 fs/super.c:332 deactivate_super+0xf0/0x110 fs/super.c:363 cleanup_mnt+0x394/0x41c fs/namespace.c:1186 __cleanup_mnt+0x20/0x30 fs/namespace.c:1193 task_work_run+0x240/0x2f0 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0x554/0x1a88 kernel/exit.c:869 do_group_exit+0x194/0x22c kernel/exit.c:1019 __do_sys_exit_group kernel/exit.c:1030 [inline] __se_sys_exit_group kernel/exit.c:1028 [inline] __wake_up_parent+0x0/0x60 kernel/exit.c:1028 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 44798 hardirqs last enabled at (44797): [<ffff800008343d08>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:261 hardirqs last disabled at (44798): [<ffff800012158694>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (43316): [<ffff800008020d7c>] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (43316): [<ffff800008020d7c>] __do_softirq+0xc1c/0xe38 kernel/softirq.c:600 softirqs last disabled at (43311): [<ffff80000802a99c>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4221 at mm/slab_common.c:923 free_large_kmalloc+0x34/0x15c mm/slab_common.c:924 Modules linked in: CPU: 0 PID: 4221 Comm: syz-executor309 Tainted: G W 6.1.87-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 pstate: 60401005 (nZCv daif +PAN -UAO -TCO -DIT +SSBS BTYPE=--) pc : free_large_kmalloc+0x34/0x15c mm/slab_common.c:924 lr : kfree+0x10c/0x1b8 mm/slab_common.c:1001 sp : ffff80001e3078d0 x29: ffff80001e3078d0 x28: 1ffff00002b09aa9 x27: dfff800000000000 x26: 0000000000000002 x25: 1fffe0001976a4cf x24: dfff800000000000 x23: dfff800000000000 x22: ffff0000d7d44900 x21: ffff800008812394 x20: ffff80001f109000 x19: fffffc0005edc240 x18: ffff80001e306ce0 x17: 6666783028203762 x16: ffff80001215c9dc x15: 0000000000000000 x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000000001 x11: 0000000000ff0100 x10: 0000000000000000 x9 : 0000000005edc240 x8 : ffff800018178000 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001e3071d8 x4 : ffff800015932b00 x3 : ffff80000858856c x2 : 0000000000000001 x1 : ffff80001f109000 x0 : fffffc0005edc240 Call trace: free_large_kmalloc+0x34/0x15c mm/slab_common.c:924 kfree+0x10c/0x1b8 mm/slab_common.c:1001 put_ntfs+0x80/0x240 fs/ntfs3/super.c:444 ntfs_put_super+0xbc/0x10c fs/ntfs3/super.c:486 generic_shutdown_super+0x130/0x328 fs/super.c:501 kill_block_super+0x70/0xdc fs/super.c:1459 deactivate_locked_super+0xac/0x124 fs/super.c:332 deactivate_super+0xf0/0x110 fs/super.c:363 cleanup_mnt+0x394/0x41c fs/namespace.c:1186 __cleanup_mnt+0x20/0x30 fs/namespace.c:1193 task_work_run+0x240/0x2f0 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0x554/0x1a88 kernel/exit.c:869 do_group_exit+0x194/0x22c kernel/exit.c:1019 __do_sys_exit_group kernel/exit.c:1030 [inline] __se_sys_exit_group kernel/exit.c:1028 [inline] __wake_up_parent+0x0/0x60 kernel/exit.c:1028 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 44822 hardirqs last enabled at (44821): [<ffff80001215aaa8>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline] hardirqs last enabled at (44821): [<ffff80001215aaa8>] exit_to_kernel_mode+0xe8/0x118 arch/arm64/kernel/entry-common.c:94 hardirqs last disabled at (44822): [<ffff800012158694>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (44816): [<ffff800008020d7c>] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (44816): [<ffff800008020d7c>] __do_softirq+0xc1c/0xe38 kernel/softirq.c:600 softirqs last disabled at (44803): [<ffff80000802a99c>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- object pointer: 0x0000000029a40bb7 ------------[ cut here ]------------ virt_to_phys used for non-linear address: 0000000029a40bb7 (0xffff80001f109000) WARNING: CPU: 0 PID: 4221 at arch/arm64/mm/physaddr.c:15 __virt_to_phys+0x84/0x9c arch/arm64/mm/physaddr.c:17 Modules linked in: CPU: 0 PID: 4221 Comm: syz-executor309 Tainted: G W 6.1.87-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 pstate: 60401005 (nZCv daif +PAN -UAO -TCO -DIT +SSBS BTYPE=--) pc : __virt_to_phys+0x84/0x9c arch/arm64/mm/physaddr.c:17 lr : __virt_to_phys+0x80/0x9c arch/arm64/mm/physaddr.c:12 sp : ffff80001e307870 x29: ffff80001e307870 x28: 1ffff00002b09aa9 x27: dfff800000000000 x26: 0000000000000002 x25: 1fffe0001976a4cf x24: dfff800000000000 x23: 0000000000040000 x22: ffff800015262000 x21: fffffc0000000000 x20: 000080001f109000 x19: ffff80001f109000 x18: ffff80001e306ce0 x17: 6666783028203762 x16: ffff80001215c9dc x15: 0000000000000000 x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000000001 x11: 0000000000ff0100 x10: 0000000000000000 x9 : e33d9ce777365600 x8 : ffff800015262000 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001e307158 x4 : ffff800015932b00 x3 : ffff80000aa9158c x2 : ffff0001b4357cd0 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: __virt_to_phys+0x84/0x9c arch/arm64/mm/physaddr.c:17 virt_to_head_page include/linux/mm.h:891 [inline] ____kasan_kfree_large mm/kasan/common.c:252 [inline] __kasan_kfree_large+0x34/0xc0 mm/kasan/common.c:272 kasan_kfree_large include/linux/kasan.h:185 [inline] free_large_kmalloc+0x70/0x15c mm/slab_common.c:927 kfree+0x10c/0x1b8 mm/slab_common.c:1001 put_ntfs+0x80/0x240 fs/ntfs3/super.c:444 ntfs_put_super+0xbc/0x10c fs/ntfs3/super.c:486 generic_shutdown_super+0x130/0x328 fs/super.c:501 kill_block_super+0x70/0xdc fs/super.c:1459 deactivate_locked_super+0xac/0x124 fs/super.c:332 deactivate_super+0xf0/0x110 fs/super.c:363 cleanup_mnt+0x394/0x41c fs/namespace.c:1186 __cleanup_mnt+0x20/0x30 fs/namespace.c:1193 task_work_run+0x240/0x2f0 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0x554/0x1a88 kernel/exit.c:869 do_group_exit+0x194/0x22c kernel/exit.c:1019 __do_sys_exit_group kernel/exit.c:1030 [inline] __se_sys_exit_group kernel/exit.c:1028 [inline] __wake_up_parent+0x0/0x60 kernel/exit.c:1028 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 45072 hardirqs last enabled at (45071): [<ffff800008343d08>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:261 hardirqs last disabled at (45072): [<ffff800012158694>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (45038): [<ffff800008020d7c>] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (45038): [<ffff800008020d7c>] __do_softirq+0xc1c/0xe38 kernel/softirq.c:600 softirqs last disabled at (44825): [<ffff80000802a99c>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ================================================================== BUG: KASAN: invalid-free in kfree+0x10c/0x1b8 mm/slab_common.c:1001 Free of addr ffff80001f109000 by task syz-executor309/4221 CPU: 0 PID: 4221 Comm: syz-executor309 Tainted: G W 6.1.87-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:284 [inline] print_report+0x174/0x4c0 mm/kasan/report.c:395 kasan_report_invalid_free+0xc4/0x114 mm/kasan/report.c:460 __kasan_kfree_large+0xa4/0xc0 mm/kasan/common.c:272 kasan_kfree_large include/linux/kasan.h:185 [inline] free_large_kmalloc+0x70/0x15c mm/slab_common.c:927 kfree+0x10c/0x1b8 mm/slab_common.c:1001 put_ntfs+0x80/0x240 fs/ntfs3/super.c:444 ntfs_put_super+0xbc/0x10c fs/ntfs3/super.c:486 generic_shutdown_super+0x130/0x328 fs/super.c:501 kill_block_super+0x70/0xdc fs/super.c:1459 deactivate_locked_super+0xac/0x124 fs/super.c:332 deactivate_super+0xf0/0x110 fs/super.c:363 cleanup_mnt+0x394/0x41c fs/namespace.c:1186 __cleanup_mnt+0x20/0x30 fs/namespace.c:1193 task_work_run+0x240/0x2f0 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0x554/0x1a88 kernel/exit.c:869 do_group_exit+0x194/0x22c kernel/exit.c:1019 __do_sys_exit_group kernel/exit.c:1030 [inline] __se_sys_exit_group kernel/exit.c:1028 [inline] __wake_up_parent+0x0/0x60 kernel/exit.c:1028 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 The buggy address belongs to the virtual mapping at [ffff80001f109000, ffff80001f90a000) created by: kvmalloc include/linux/slab.h:709 [inline] ntfs_fill_super+0x2870/0x3458 fs/ntfs3/super.c:1144 The buggy address belongs to the physical page: page:00000000039e5e54 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10c031 flags: 0x5ffe00000000000(node=0|zone=2|lastcpupid=0xfff) raw: 05ffe00000000000 0000000000000000 dead000000000122 0000000000000000 raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff80001f108f00: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ffff80001f108f80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 >ffff80001f109000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ^ ffff80001f109080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff80001f109100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ================================================================== page:000000008b38237d refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1bb709 flags: 0x5ffe00000000000(node=0|zone=2|lastcpupid=0xfff) raw: 05ffe00000000000 fffffc0005edc248 fffffc0005edc248 0000000000000000 raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: VM_BUG_ON_PAGE(page_ref_count(page) == 0) ------------[ cut here ]------------ kernel BUG at include/linux/mm.h:765! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 4221 Comm: syz-executor309 Tainted: G B W 6.1.87-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 pstate: 80401005 (Nzcv daif +PAN -UAO -TCO -DIT +SSBS BTYPE=--) pc : put_page_testzero include/linux/mm.h:765 [inline] pc : __free_pages+0x15c/0x1cc mm/page_alloc.c:5635 lr : put_page_testzero include/linux/mm.h:765 [inline] lr : __free_pages+0x15c/0x1cc mm/page_alloc.c:5635 sp : ffff80001e307890 x29: ffff80001e307890 x28: 1ffff00002b09aa9 x27: dfff800000000000 x26: 0000000000000002 x25: 1fffe0001976a4cf x24: dfff800000000000 x23: dfff800000000000 x22: 05ffe00000000000 x21: fffffc0005edc274 x20: 0000000000000000 x19: fffffc0005edc240 x18: 1fffe0003686f176 x17: 0000000000000000 x16: ffff80001215c9dc x15: 0000000000000000 x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000000001 x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff8000088364e4 x8 : ffff0000d6e59bc0 x7 : 0000000000000000 x6 : ffff800012227564 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff80000aa9158c x2 : ffff0001b4378cd0 x1 : 0000000100000000 x0 : 000000000000003e Call trace: put_page_testzero include/linux/mm.h:765 [inline] __free_pages+0x15c/0x1cc mm/page_alloc.c:5635 free_large_kmalloc+0xd0/0x15c mm/slab_common.c:932 kfree+0x10c/0x1b8 mm/slab_common.c:1001 put_ntfs+0x80/0x240 fs/ntfs3/super.c:444 ntfs_put_super+0xbc/0x10c fs/ntfs3/super.c:486 generic_shutdown_super+0x130/0x328 fs/super.c:501 kill_block_super+0x70/0xdc fs/super.c:1459 deactivate_locked_super+0xac/0x124 fs/super.c:332 deactivate_super+0xf0/0x110 fs/super.c:363 cleanup_mnt+0x394/0x41c fs/namespace.c:1186 __cleanup_mnt+0x20/0x30 fs/namespace.c:1193 task_work_run+0x240/0x2f0 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0x554/0x1a88 kernel/exit.c:869 do_group_exit+0x194/0x22c kernel/exit.c:1019 __do_sys_exit_group kernel/exit.c:1030 [inline] __se_sys_exit_group kernel/exit.c:1028 [inline] __wake_up_parent+0x0/0x60 kernel/exit.c:1028 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Code: 9004d481 913a0021 aa1303e0 97fdce19 (d4210000) ---[ end trace 0000000000000000 ]---
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/04/27 00:31 | linux-6.1.y | 6741e066ec76 | 059e9963 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-linux-6-1-kasan-arm64 | WARNING in __virt_to_phys | |
2024/04/27 21:33 | linux-6.1.y | f2295faba5e8 | 07b455f9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | WARNING in __virt_to_phys | ||
2024/04/27 00:06 | linux-6.1.y | 6741e066ec76 | 059e9963 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | WARNING in __virt_to_phys |