GRED: Unable to relocate VQ 0x0 after dequeue, screwing up backlog
GRED: Unable to relocate VQ 0x0 after dequeue, screwing up backlog
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 21936 Comm: syz-executor.3 Not tainted 4.19.119-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:fbcon_cursor+0x10e/0x760 drivers/video/fbdev/core/fbcon.c:1350
Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 0c 06 00 00 4c 8b b5 a0 03 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <0f> b6 14 02 4c 89 f0 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 3d
RSP: 0018:ffff88804dc1f778 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff8882197150c0 RCX: ffffc9000c10f000
RDX: 0000000020000000 RSI: ffffffff83757b69 RDI: ffff88804d5e1520
RBP: ffff88804d5e1180 R08: ffff88804bb5e700 R09: fffffbfff135a88b
R10: fffffbfff135a88a R11: ffffffff89ad4457 R12: ffff8882196e3240
R13: 0000000000000002 R14: 0000000100000000 R15: ffff8882196e36a8
FS:  00007fb8004f9700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000043e060 CR3: 0000000044f68000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 hide_cursor+0x85/0x2c0 drivers/tty/vt/vt.c:897
 redraw_screen+0x2ed/0x870 drivers/tty/vt/vt.c:1001
 fbcon_do_set_font+0x727/0xa30 drivers/video/fbdev/core/fbcon.c:2586
 fbcon_set_font+0x733/0x870 drivers/video/fbdev/core/fbcon.c:2677
 con_font_set drivers/tty/vt/vt.c:4524 [inline]
 con_font_op+0xd3e/0x1130 drivers/tty/vt/vt.c:4589
 vt_ioctl+0xcd0/0x2500 drivers/tty/vt/vt_ioctl.c:928
 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: 0033:0x45c829
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:00007fb8004f8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000004e9200 RCX: 000000000045c829
RDX: 0000000020000000 RSI: 0000000000004b61 RDI: 0000000000000005
RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 000000000000041b R14: 00000000004c6bae R15: 00007fb8004f96d4
Modules linked in:
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#2] PREEMPT SMP KASAN
CPU: 1 PID: 21936 Comm: syz-executor.3 Not tainted 4.19.119-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:fbcon_cursor+0x10e/0x760 drivers/video/fbdev/core/fbcon.c:1350
Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 0c 06 00 00 4c 8b b5 a0 03 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <0f> b6 14 02 4c 89 f0 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 3d
RSP: 0018:ffff88804dc1f458 EFLAGS: 00010006
RAX: dffffc0000000000 RBX: ffff8882197150c0 RCX: ffffc9000c10f000
RDX: 0000000020000000 RSI: ffffffff83757b69 RDI: ffff88804d5e1520
RBP: ffff88804d5e1180 R08: ffff88804bb5e700 R09: fffffbfff135a88b
R10: fffffbfff135a88a R11: ffffffff89ad4457 R12: ffff8882196e3240
R13: 0000000000000001 R14: 0000000100000000 R15: ffff8882196e36a8
FS:  00007fb8004f9700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000043e060 CR3: 0000000044f68000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 fbcon_blank+0x926/0xf00 drivers/video/fbdev/core/fbcon.c:2386
 do_unblank_screen+0x241/0x620 drivers/tty/vt/vt.c:4263
 bust_spinlocks+0x5b/0xe0
 oops_end+0x2b/0xf0 arch/x86/kernel/dumpstack.c:336
 general_protection+0x1e/0x30 arch/x86/entry/entry_64.S:1203
RIP: 0010:fbcon_cursor+0x10e/0x760 drivers/video/fbdev/core/fbcon.c:1350
Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 0c 06 00 00 4c 8b b5 a0 03 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <0f> b6 14 02 4c 89 f0 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 3d
RSP: 0018:ffff88804dc1f778 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff8882197150c0 RCX: ffffc9000c10f000
RDX: 0000000020000000 RSI: ffffffff83757b69 RDI: ffff88804d5e1520
RBP: ffff88804d5e1180 R08: ffff88804bb5e700 R09: fffffbfff135a88b
R10: fffffbfff135a88a R11: ffffffff89ad4457 R12: ffff8882196e3240
R13: 0000000000000002 R14: 0000000100000000 R15: ffff8882196e36a8
 hide_cursor+0x85/0x2c0 drivers/tty/vt/vt.c:897
 redraw_screen+0x2ed/0x870 drivers/tty/vt/vt.c:1001
 fbcon_do_set_font+0x727/0xa30 drivers/video/fbdev/core/fbcon.c:2586
 fbcon_set_font+0x733/0x870 drivers/video/fbdev/core/fbcon.c:2677
 con_font_set drivers/tty/vt/vt.c:4524 [inline]
 con_font_op+0xd3e/0x1130 drivers/tty/vt/vt.c:4589
 vt_ioctl+0xcd0/0x2500 drivers/tty/vt/vt_ioctl.c:928
 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: 0033:0x45c829
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:00007fb8004f8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000004e9200 RCX: 000000000045c829
RDX: 0000000020000000 RSI: 0000000000004b61 RDI: 0000000000000005
RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 000000000000041b R14: 00000000004c6bae R15: 00007fb8004f96d4
Modules linked in:
---[ end trace 890401ddf63d89b8 ]---
RIP: 0010:fbcon_cursor+0x10e/0x760 drivers/video/fbdev/core/fbcon.c:1350
Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 0c 06 00 00 4c 8b b5 a0 03 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <0f> b6 14 02 4c 89 f0 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 3d
RSP: 0018:ffff88804dc1f778 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff8882197150c0 RCX: ffffc9000c10f000
RDX: 0000000020000000 RSI: ffffffff83757b69 RDI: ffff88804d5e1520
RBP: ffff88804d5e1180 R08: ffff88804bb5e700 R09: fffffbfff135a88b
R10: fffffbfff135a88a R11: ffffffff89ad4457 R12: ffff8882196e3240
R13: 0000000000000002 R14: 0000000100000000 R15: ffff8882196e36a8
FS:  00007fb8004f9700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000043e060 CR3: 0000000044f68000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400