------------[ cut here ]------------ kernel BUG at arch/x86/mm/physaddr.c:28! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 18105 Comm: syz-executor.0 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: a2 55 09 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 10 9a 3f 00 48 85 db 75 0d e8 76 98 3f 00 4c 89 e0 5b 5d 41 5c c3 e8 69 98 3f 00 <0f> 0b e8 62 98 3f 00 48 c7 c0 10 10 88 89 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc90002c87788 EFLAGS: 00010012 RAX: 0000000000040000 RBX: 0000000000000001 RCX: ffffc90001aa9000 RDX: 00000000000320e4 RSI: ffffffff81339667 RDI: 0000000000000007 RBP: ffffc9008104e000 R08: ffff88806b340340 R09: ffffed1015cc7104 R10: ffff8880ae63881b R11: ffffed1015cc7103 R12: 000040800104e000 R13: ffffffff83bd46c0 R14: 0000000000000028 R15: ffff8880aa1bf000 FS: 00007f6bde3f3700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000050c3b0 CR3: 000000005f223000 CR4: 00000000001406f0 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_modechanged+0x36a/0x720 drivers/video/fbdev/core/fbcon.c:2989 fbcon_update_vcs+0x3a/0x50 drivers/video/fbdev/core/fbcon.c:3047 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_ioctl+0xdd/0x130 drivers/video/fbdev/core/fbmem.c:1185 vfs_ioctl fs/ioctl.c:47 [inline] ksys_ioctl+0x11a/0x180 fs/ioctl.c:771 __do_sys_ioctl fs/ioctl.c:780 [inline] __se_sys_ioctl fs/ioctl.c:778 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:778 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x45c829 Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f6bde3f2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00000000004e4860 RCX: 000000000045c829 RDX: 0000000020000000 RSI: 0000000000004601 RDI: 0000000000000004 RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000002f2 R14: 00000000004c54c8 R15: 00007f6bde3f36d4 Modules linked in: ---[ end trace 25fd6c2c22443d7a ]--- RIP: 0010:__phys_addr+0xa7/0x110 arch/x86/mm/physaddr.c:28 Code: a2 55 09 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 10 9a 3f 00 48 85 db 75 0d e8 76 98 3f 00 4c 89 e0 5b 5d 41 5c c3 e8 69 98 3f 00 <0f> 0b e8 62 98 3f 00 48 c7 c0 10 10 88 89 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc90002c87788 EFLAGS: 00010012 RAX: 0000000000040000 RBX: 0000000000000001 RCX: ffffc90001aa9000 RDX: 00000000000320e4 RSI: ffffffff81339667 RDI: 0000000000000007 RBP: ffffc9008104e000 R08: ffff88806b340340 R09: ffffed1015cc7104 R10: ffff8880ae63881b R11: ffffed1015cc7103 R12: 000040800104e000 R13: ffffffff83bd46c0 R14: 0000000000000028 R15: ffff8880aa1bf000 FS: 00007f6bde3f3700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000050c3b0 CR3: 000000005f223000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400