BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) BTRFS info (device loop0): last unmount of filesystem e417788f-7a09-42b2-9266-8ddc5d5d35d2 BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 3b8bb067 P4D 3b8bb067 PUD 34df9067 PMD 0 Oops: Oops: 0010 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5099 Comm: syz-executor423 Not tainted 6.11.0-rc7-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc90002dcf6b8 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff88801acc9000 RCX: 0000000000000001 RDX: ffff88803353813e RSI: ffff88801f54b000 RDI: ffff88801acc9000 RBP: 1ffff110066a7027 R08: 0000000000000000 R09: 000000000000009f R10: 0000000000000002 R11: 0000000000000000 R12: ffff88801f54b000 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88803353813e FS: 000055557dd86380(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 0000000012056000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: fbcon_putcs+0x255/0x390 drivers/video/fbdev/core/fbcon.c:1288 do_update_region+0x396/0x450 drivers/tty/vt/vt.c:619 invert_screen+0x401/0xe50 drivers/tty/vt/vt.c:740 highlight drivers/tty/vt/selection.c:57 [inline] clear_selection+0x59/0x80 drivers/tty/vt/selection.c:87 vc_do_resize+0x6e6/0x17f0 drivers/tty/vt/vt.c:1187 vc_resize include/linux/vt_kern.h:49 [inline] fbcon_set_disp+0xac9/0x11d0 drivers/video/fbdev/core/fbcon.c:1389 con2fb_init_display drivers/video/fbdev/core/fbcon.c:794 [inline] set_con2fb_map+0xa6c/0x10a0 drivers/video/fbdev/core/fbcon.c:865 fbcon_set_con2fb_map_ioctl+0x207/0x320 drivers/video/fbdev/core/fbcon.c:3092 do_fb_ioctl+0x38f/0x7b0 drivers/video/fbdev/core/fb_chrdev.c:138 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f826b53ffa9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd2db58b88 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 7573617461646f6e RCX: 00007f826b53ffa9 RDX: 00000000200000c0 RSI: 0000000000004610 RDI: 0000000000000003 RBP: 00007f826b5b95f0 R08: 000055557dd874c0 R09: 000055557dd874c0 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2db58bb0 R13: 00007ffd2db58dd8 R14: 431bde82d7b634db R15: 00007f826b58901d Modules linked in: CR2: 0000000000000000 ---[ end trace 0000000000000000 ]--- RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc90002dcf6b8 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff88801acc9000 RCX: 0000000000000001 RDX: ffff88803353813e RSI: ffff88801f54b000 RDI: ffff88801acc9000 RBP: 1ffff110066a7027 R08: 0000000000000000 R09: 000000000000009f R10: 0000000000000002 R11: 0000000000000000 R12: ffff88801f54b000 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88803353813e FS: 000055557dd86380(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 0000000012056000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400