------------[ cut here ]------------ kernel BUG at arch/x86/mm/physaddr.c:28! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 32070 Comm: syz-executor.4 Not tainted 5.7.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__phys_addr+0xa7/0x110 arch/x86/mm/physaddr.c:28 Code: a5 55 09 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 f0 99 3f 00 48 85 db 75 0d e8 56 98 3f 00 4c 89 e0 5b 5d 41 5c c3 e8 49 98 3f 00 <0f> 0b e8 42 98 3f 00 48 c7 c0 10 10 88 89 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc90001bc7698 EFLAGS: 00010012 RAX: 0000000000040000 RBX: 0000000000000001 RCX: ffffc90011c36000 RDX: 000000000003585c RSI: ffffffff81339667 RDI: 0000000000000007 RBP: ffffc90081080000 R08: ffff88804160a500 R09: ffffed1015cc7104 R10: ffff8880ae63881b R11: ffffed1015cc7103 R12: 0000408001080000 R13: ffffffff83bd46a0 R14: 0000000000000300 R15: ffff8880a6639000 FS: 0000000000000000(0000) GS:ffff8880ae600000(0063) knlGS:00000000f5d2ab40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00007f56560df000 CR3: 0000000094455000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: virt_to_head_page include/linux/mm.h:833 [inline] virt_to_cache mm/slab.h:474 [inline] kfree+0x77/0x2b0 mm/slab.c:3749 vc_do_resize+0x1081/0x1340 drivers/tty/vt/vt.c:1233 fbcon_set_all_vcs+0x387/0x460 drivers/video/fbdev/core/fbcon.c:3034 fbcon_update_vcs+0x26/0x50 drivers/video/fbdev/core/fbcon.c:3045 fb_set_var+0xad0/0xd40 drivers/video/fbdev/core/fbmem.c:1056 do_fb_ioctl+0x390/0x6e0 drivers/video/fbdev/core/fbmem.c:1109 fb_compat_ioctl+0x305/0xc50 drivers/video/fbdev/core/fbmem.c:1315 __do_compat_sys_ioctl fs/ioctl.c:865 [inline] __se_compat_sys_ioctl fs/ioctl.c:816 [inline] __ia32_compat_sys_ioctl+0x23d/0x2b0 fs/ioctl.c:816 do_syscall_32_irqs_on arch/x86/entry/common.c:337 [inline] do_fast_syscall_32+0x270/0xe90 arch/x86/entry/common.c:396 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 Modules linked in: ---[ end trace e05f33efd3f70fe5 ]--- RIP: 0010:__phys_addr+0xa7/0x110 arch/x86/mm/physaddr.c:28 Code: a5 55 09 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 f0 99 3f 00 48 85 db 75 0d e8 56 98 3f 00 4c 89 e0 5b 5d 41 5c c3 e8 49 98 3f 00 <0f> 0b e8 42 98 3f 00 48 c7 c0 10 10 88 89 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc90001bc7698 EFLAGS: 00010012 RAX: 0000000000040000 RBX: 0000000000000001 RCX: ffffc90011c36000 RDX: 000000000003585c RSI: ffffffff81339667 RDI: 0000000000000007 RBP: ffffc90081080000 R08: ffff88804160a500 R09: ffffed1015cc7104 R10: ffff8880ae63881b R11: ffffed1015cc7103 R12: 0000408001080000 R13: ffffffff83bd46a0 R14: 0000000000000300 R15: ffff8880a6639000 FS: 0000000000000000(0000) GS:ffff8880ae600000(0063) knlGS:00000000f5d2ab40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00007f56560df000 CR3: 0000000094455000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400