------------[ cut here ]------------ kernel BUG at arch/x86/mm/physaddr.c:28! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 5803 Comm: syz-executor.1 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+0x10e/0x120 arch/x86/mm/physaddr.c:28 Code: 6b 89 80 e1 07 38 c1 0f 8c 75 ff ff ff 48 c7 c7 45 a4 6b 89 e8 33 a9 7d 00 e9 64 ff ff ff e8 f9 c5 3f 00 0f 0b e8 f2 c5 3f 00 <0f> 0b e8 eb c5 3f 00 0f 0b 66 0f 1f 84 00 00 00 00 00 53 48 89 fb RSP: 0018:ffffc90004fd79f8 EFLAGS: 00010087 RAX: ffffffff8133abbe RBX: 0000000000000001 RCX: 0000000000040000 RDX: ffffc9000b001000 RSI: 0000000000013571 RDI: 0000000000013572 RBP: 00000000ffffffea R08: ffffffff8133ab2c R09: ffffed1015d27074 R10: ffffed1015d27074 R11: 0000000000000000 R12: ffffc90016800000 R13: dffffc0000000000 R14: 0000408016800000 R15: ffffffff83faf058 FS: 00007f2074502700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000e8f9b8 CR3: 000000009093c000 CR4: 00000000001426e0 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+0x60/0x220 mm/slab.c:3749 vc_do_resize+0x738/0x1ce0 drivers/tty/vt/vt.c:1233 vt_ioctl+0x13a7/0x3eb0 drivers/tty/vt/vt_ioctl.c:850 tty_ioctl+0xee4/0x15c0 drivers/tty/tty_io.c:2656 vfs_ioctl fs/ioctl.c:47 [inline] ksys_ioctl fs/ioctl.c:771 [inline] __do_sys_ioctl fs/ioctl.c:780 [inline] __se_sys_ioctl+0xf9/0x160 fs/ioctl.c:778 do_syscall_64+0xf3/0x1b0 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:00007f2074501c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00000000004f2860 RCX: 000000000045c829 RDX: 0000000020000040 RSI: 0000000000005609 RDI: 0000000000000004 RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000672 R14: 00000000004c9471 R15: 00007f20745026d4 Modules linked in: ---[ end trace bbce789bc00cfc8d ]--- RIP: 0010:__phys_addr+0x10e/0x120 arch/x86/mm/physaddr.c:28 Code: 6b 89 80 e1 07 38 c1 0f 8c 75 ff ff ff 48 c7 c7 45 a4 6b 89 e8 33 a9 7d 00 e9 64 ff ff ff e8 f9 c5 3f 00 0f 0b e8 f2 c5 3f 00 <0f> 0b e8 eb c5 3f 00 0f 0b 66 0f 1f 84 00 00 00 00 00 53 48 89 fb RSP: 0018:ffffc90004fd79f8 EFLAGS: 00010087 RAX: ffffffff8133abbe RBX: 0000000000000001 RCX: 0000000000040000 RDX: ffffc9000b001000 RSI: 0000000000013571 RDI: 0000000000013572 RBP: 00000000ffffffea R08: ffffffff8133ab2c R09: ffffed1015d27074 R10: ffffed1015d27074 R11: 0000000000000000 R12: ffffc90016800000 R13: dffffc0000000000 R14: 0000408016800000 R15: ffffffff83faf058 FS: 00007f2074502700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000e8f9b8 CR3: 000000009093c000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400