------------[ cut here ]------------ kernel BUG at arch/x86/mm/physaddr.c:28! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 7061 Comm: syz-executor995 Not tainted 5.7.0-rc3-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 85 a3 6b 89 e8 f3 a8 7d 00 e9 64 ff ff ff e8 b9 c5 3f 00 0f 0b e8 b2 c5 3f 00 <0f> 0b e8 ab c5 3f 00 0f 0b 66 0f 1f 84 00 00 00 00 00 53 48 89 fb RSP: 0018:ffffc900016579f8 EFLAGS: 00010093 RAX: ffffffff81339bbe RBX: 0000000000000001 RCX: ffff88808dd5a340 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 00000000ffffffea R08: ffffffff81339b2c R09: ffffed1015d27074 R10: ffffed1015d27074 R11: 0000000000000000 R12: ffffc900016c9000 R13: dffffc0000000000 R14: 00004080016c9000 R15: ffffffff83fad568 FS: 0000000001f5d880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000043e7d0 CR3: 0000000099a6c000 CR4: 00000000001406e0 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+0x3178/0x3eb0 drivers/tty/vt/vt_ioctl.c:901 tty_ioctl+0xee4/0x15c0 drivers/tty/tty_io.c:2656 vfs_ioctl fs/ioctl.c:47 [inline] ksys_ioctl fs/ioctl.c:763 [inline] __do_sys_ioctl fs/ioctl.c:772 [inline] __se_sys_ioctl+0xf9/0x160 fs/ioctl.c:770 do_syscall_64+0xf3/0x1b0 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x443f99 Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 7b d8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffcf0b9f6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 0000000000443f99 RDX: 0000000020000080 RSI: 000000000000560a RDI: 0000000000000004 RBP: 00000000006ce018 R08: 000000000000000d R09: 00000000004002e0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401ca0 R13: 0000000000401d30 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 7662909635649ec0 ]--- 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 85 a3 6b 89 e8 f3 a8 7d 00 e9 64 ff ff ff e8 b9 c5 3f 00 0f 0b e8 b2 c5 3f 00 <0f> 0b e8 ab c5 3f 00 0f 0b 66 0f 1f 84 00 00 00 00 00 53 48 89 fb RSP: 0018:ffffc900016579f8 EFLAGS: 00010093 RAX: ffffffff81339bbe RBX: 0000000000000001 RCX: ffff88808dd5a340 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 00000000ffffffea R08: ffffffff81339b2c R09: ffffed1015d27074 R10: ffffed1015d27074 R11: 0000000000000000 R12: ffffc900016c9000 R13: dffffc0000000000 R14: 00004080016c9000 R15: ffffffff83fad568 FS: 0000000001f5d880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000043e7d0 CR3: 0000000099a6c000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400