audit: type=1400 audit(1585799326.268:41437): avc: denied { create } for pid=11876 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=0 audit: type=1400 audit(1585799326.418:41438): avc: denied { map } for pid=11883 comm="blkid" path="/sbin/blkid" dev="sda1" ino=16128 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=0 BUG: unable to handle kernel paging request at ffff8880fffdb245 PGD c401067 P4D c401067 PUD 0 Oops: 0002 [#1] PREEMPT SMP KASAN CPU: 0 PID: 11877 Comm: syz-executor.0 Not tainted 4.19.113-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:vga_imageblit_expand drivers/video/fbdev/vga16fb.c:1168 [inline] RIP: 0010:vga16fb_imageblit+0xa5b/0x2210 drivers/video/fbdev/vga16fb.c:1260 Code: 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 0e 32 23 fe 41 8b 47 14 48 8b 74 24 08 <88> 06 0f ae e8 8a 06 b8 05 00 00 00 ba ce 03 00 00 ee 48 c7 c2 10 RSP: 0018:ffff88809520f560 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc90012c2a000 RDX: 0000000000000000 RSI: ffff8880fffdb245 RDI: ffff888081f80914 RBP: ffff888081f80904 R08: ffff888042d721c0 R09: ffffed10103f012e R10: ffffed10103f012d R11: ffff888081f8096f R12: 0000000000000000 R13: ffff888219741f40 R14: 0000000000000001 R15: ffff888081f80900 FS: 00007f299dbd9700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff8880fffdb245 CR3: 0000000046e79000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: soft_cursor+0x511/0xa20 drivers/video/fbdev/core/softcursor.c:74 bit_cursor+0x1230/0x1900 drivers/video/fbdev/core/bitblit.c:386 fbcon_cursor+0x572/0x760 drivers/video/fbdev/core/fbcon.c:1369 hide_cursor+0x99/0x2f0 drivers/tty/vt/vt.c:895 redraw_screen+0x2ed/0x870 drivers/tty/vt/vt.c:999 vc_do_resize+0x109e/0x13a0 drivers/tty/vt/vt.c:1298 vt_ioctl+0x133c/0x2310 drivers/tty/vt/vt_ioctl.c:840 tty_ioctl+0x7a1/0x1420 drivers/tty/tty_io.c:2669 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcda/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45c849 Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f299dbd8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f299dbd96d4 RCX: 000000000045c849 RDX: 0000000020000000 RSI: 0000000000005609 RDI: 0000000000000003 RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000669 R14: 00000000004c93d6 R15: 000000000076bf0c Modules linked in: CR2: ffff8880fffdb245 BUG: unable to handle kernel paging request at ffff8880fffdb245 PGD c401067 P4D c401067 PUD 0 Oops: 0002 [#2] PREEMPT SMP KASAN CPU: 0 PID: 11877 Comm: syz-executor.0 Not tainted 4.19.113-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:vga_imageblit_expand drivers/video/fbdev/vga16fb.c:1168 [inline] RIP: 0010:vga16fb_imageblit+0xa5b/0x2210 drivers/video/fbdev/vga16fb.c:1260 Code: 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 0e 32 23 fe 41 8b 47 14 48 8b 74 24 08 <88> 06 0f ae e8 8a 06 b8 05 00 00 00 ba ce 03 00 00 ee 48 c7 c2 10 RSP: 0018:ffff88809520ed98 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 0000000000000007 RCX: ffffc90012c2a000 RDX: 0000000000000000 RSI: ffff8880fffdb245 RDI: ffff888081f80914 RBP: ffff888081f80904 R08: ffff888042d721c0 R09: 0000000000000000 R10: ffffffff83750130 R11: ffffffff898d3357 R12: 0000000000000000 R13: ffff888219741f60 R14: 0000000000000001 R15: ffff888081f80900 FS: 00007f299dbd9700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff8880fffdb245 CR3: 0000000046e79000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: soft_cursor+0x511/0xa20 drivers/video/fbdev/core/softcursor.c:74 bit_cursor+0x1230/0x1900 drivers/video/fbdev/core/bitblit.c:386 fbcon_cursor+0x572/0x760 drivers/video/fbdev/core/fbcon.c:1369 fbcon_blank+0x926/0xf00 drivers/video/fbdev/core/fbcon.c:2383 do_unblank_screen+0x241/0x620 drivers/tty/vt/vt.c:4240 bust_spinlocks+0x5b/0xe0 oops_end+0x2b/0xf0 arch/x86/kernel/dumpstack.c:336 no_context+0x3d1/0x8e0 arch/x86/mm/fault.c:830 __bad_area_nosemaphore+0x303/0x400 arch/x86/mm/fault.c:918 __do_page_fault+0x209/0xdd0 arch/x86/mm/fault.c:1344 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1204 RIP: 0010:writeb arch/x86/include/asm/io.h:65 [inline] RIP: 0010:vga_imageblit_expand drivers/video/fbdev/vga16fb.c:1168 [inline] RIP: 0010:vga16fb_imageblit+0xa5b/0x2210 drivers/video/fbdev/vga16fb.c:1260 Code: 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 0e 32 23 fe 41 8b 47 14 48 8b 74 24 08 <88> 06 0f ae e8 8a 06 b8 05 00 00 00 ba ce 03 00 00 ee 48 c7 c2 10 RSP: 0018:ffff88809520f560 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc90012c2a000 RDX: 0000000000000000 RSI: ffff8880fffdb245 RDI: ffff888081f80914 RBP: ffff888081f80904 R08: ffff888042d721c0 R09: ffffed10103f012e R10: ffffed10103f012d R11: ffff888081f8096f R12: 0000000000000000 R13: ffff888219741f40 R14: 0000000000000001 R15: ffff888081f80900 soft_cursor+0x511/0xa20 drivers/video/fbdev/core/softcursor.c:74 bit_cursor+0x1230/0x1900 drivers/video/fbdev/core/bitblit.c:386 fbcon_cursor+0x572/0x760 drivers/video/fbdev/core/fbcon.c:1369 hide_cursor+0x99/0x2f0 drivers/tty/vt/vt.c:895 redraw_screen+0x2ed/0x870 drivers/tty/vt/vt.c:999 vc_do_resize+0x109e/0x13a0 drivers/tty/vt/vt.c:1298 vt_ioctl+0x133c/0x2310 drivers/tty/vt/vt_ioctl.c:840 tty_ioctl+0x7a1/0x1420 drivers/tty/tty_io.c:2669 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcda/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45c849 Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f299dbd8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f299dbd96d4 RCX: 000000000045c849 RDX: 0000000020000000 RSI: 0000000000005609 RDI: 0000000000000003 RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000669 R14: 00000000004c93d6 R15: 000000000076bf0c Modules linked in: CR2: ffff8880fffdb245 ---[ end trace 6cc23d17806879e9 ]--- RIP: 0010:writeb arch/x86/include/asm/io.h:65 [inline] RIP: 0010:vga_imageblit_expand drivers/video/fbdev/vga16fb.c:1168 [inline] RIP: 0010:vga16fb_imageblit+0xa5b/0x2210 drivers/video/fbdev/vga16fb.c:1260 Code: 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 0e 32 23 fe 41 8b 47 14 48 8b 74 24 08 <88> 06 0f ae e8 8a 06 b8 05 00 00 00 ba ce 03 00 00 ee 48 c7 c2 10 RSP: 0018:ffff88809520f560 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc90012c2a000 RDX: 0000000000000000 RSI: ffff8880fffdb245 RDI: ffff888081f80914 RBP: ffff888081f80904 R08: ffff888042d721c0 R09: ffffed10103f012e R10: ffffed10103f012d R11: ffff888081f8096f R12: 0000000000000000 R13: ffff888219741f40 R14: 0000000000000001 R15: ffff888081f80900 FS: 00007f299dbd9700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff8880fffdb245 CR3: 0000000046e79000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400