ieee80211 phy35: Selected rate control algorithm 'minstrel_ht' BUG: unable to handle kernel paging request at ffff888001000180 PGD de01067 P4D de01067 PUD de02067 PMD 80000000010001e1 Oops: 0003 [#1] PREEMPT SMP KASAN CPU: 1 PID: 9499 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:writeb arch/x86/include/asm/io.h:65 [inline] RIP: 0010:vga16fb_fillrect+0x9c0/0x1940 drivers/video/fbdev/vga16fb.c:923 Code: c3 fd 48 63 44 24 10 45 31 f6 48 89 04 24 e8 c7 d3 c3 fd 31 ff 89 de 31 ed e8 2c d5 c3 fd 85 db 4d 89 ec 74 22 e8 b0 d3 c3 fd <45> 88 34 24 83 c5 01 89 df 49 83 c4 01 89 ee e8 8c d4 c3 fd 39 eb RSP: 0018:ffff88808f73f640 EFLAGS: 00010246 RAX: 0000000000040000 RBX: 0000000000000078 RCX: ffffc90007f35000 RDX: 0000000000040000 RSI: ffffffff839eb1c0 RDI: 0000000000000005 RBP: 0000000000000000 R08: ffff8880b076055f R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff888001000180 R13: ffff888001000180 R14: 0000000000000000 R15: 0000000000000007 FS: 00007faf6540d700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff888001000180 CR3: 0000000090d3a000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bit_clear_margins+0x2d5/0x4b0 drivers/video/fbdev/core/bitblit.c:232 fbcon_clear_margins+0x1e2/0x350 drivers/video/fbdev/core/fbcon.c:1288 ypan_up_redraw drivers/video/fbdev/core/fbcon.c:1465 [inline] fbcon_scroll+0xbc2/0x3440 drivers/video/fbdev/core/fbcon.c:1723 con_scroll+0x5f8/0x720 drivers/tty/vt/vt.c:637 lf+0x262/0x2b0 drivers/tty/vt/vt.c:1509 do_con_write+0x133e/0x1d90 drivers/tty/vt/vt.c:2786 con_write+0x22/0xb0 drivers/tty/vt/vt.c:3163 n_tty_write+0xa03/0xff0 drivers/tty/n_tty.c:2354 do_tty_write drivers/tty/tty_io.c:960 [inline] tty_write+0x496/0x810 drivers/tty/tty_io.c:1044 __vfs_write+0xf7/0x770 fs/read_write.c:485 vfs_write+0x1f3/0x540 fs/read_write.c:549 ksys_write+0x12b/0x2a0 fs/read_write.c:599 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7faf66a98049 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007faf6540d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007faf66baaf60 RCX: 00007faf66a98049 RDX: 0000000000001006 RSI: 0000000020001040 RDI: 0000000000000005 RBP: 00007faf66af208d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffdd183c3f R14: 00007faf6540d300 R15: 0000000000022000 Modules linked in: CR2: ffff888001000180 ---[ end trace db86b3e0dfdd6fa3 ]--- RIP: 0010:writeb arch/x86/include/asm/io.h:65 [inline] RIP: 0010:vga16fb_fillrect+0x9c0/0x1940 drivers/video/fbdev/vga16fb.c:923 Code: c3 fd 48 63 44 24 10 45 31 f6 48 89 04 24 e8 c7 d3 c3 fd 31 ff 89 de 31 ed e8 2c d5 c3 fd 85 db 4d 89 ec 74 22 e8 b0 d3 c3 fd <45> 88 34 24 83 c5 01 89 df 49 83 c4 01 89 ee e8 8c d4 c3 fd 39 eb RSP: 0018:ffff88808f73f640 EFLAGS: 00010246 RAX: 0000000000040000 RBX: 0000000000000078 RCX: ffffc90007f35000 RDX: 0000000000040000 RSI: ffffffff839eb1c0 RDI: 0000000000000005 RBP: 0000000000000000 R08: ffff8880b076055f R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff888001000180 R13: ffff888001000180 R14: 0000000000000000 R15: 0000000000000007 FS: 00007faf6540d700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff888001000180 CR3: 0000000090d3a000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: c3 retq 1: fd std 2: 48 63 44 24 10 movslq 0x10(%rsp),%rax 7: 45 31 f6 xor %r14d,%r14d a: 48 89 04 24 mov %rax,(%rsp) e: e8 c7 d3 c3 fd callq 0xfdc3d3da 13: 31 ff xor %edi,%edi 15: 89 de mov %ebx,%esi 17: 31 ed xor %ebp,%ebp 19: e8 2c d5 c3 fd callq 0xfdc3d54a 1e: 85 db test %ebx,%ebx 20: 4d 89 ec mov %r13,%r12 23: 74 22 je 0x47 25: e8 b0 d3 c3 fd callq 0xfdc3d3da * 2a: 45 88 34 24 mov %r14b,(%r12) <-- trapping instruction 2e: 83 c5 01 add $0x1,%ebp 31: 89 df mov %ebx,%edi 33: 49 83 c4 01 add $0x1,%r12 37: 89 ee mov %ebp,%esi 39: e8 8c d4 c3 fd callq 0xfdc3d4ca 3e: 39 eb cmp %ebp,%ebx