netlink: 28 bytes leftover after parsing attributes in process `syz.1.369'.
Unable to handle kernel paging request at virtual address ffff700004949314
KASAN: maybe wild-memory-access in range [0xffff800024a498a0-0xffff800024a498a7]
Mem abort info:
  ESR = 0x0000000096000007
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x07: level 3 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000007
  CM = 0, WnR = 0
swapper pgtable: 4k pages, 48-bit VAs, pgdp=000000020dd2e000
[ffff700004949314] pgd=000000023ea48003, p4d=000000023ea48003, pud=000000023ea47003, pmd=100000010e22a003, pte=0000000000000000
Internal error: Oops: 0000000096000007 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 5527 Comm: syz.1.369 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : fast_imageblit drivers/video/fbdev/core/sysimgblt.c:257 [inline]
pc : sys_imageblit+0x1328/0x1d10 drivers/video/fbdev/core/sysimgblt.c:323
lr : fast_imageblit drivers/video/fbdev/core/sysimgblt.c:240 [inline]
lr : sys_imageblit+0xed4/0x1d10 drivers/video/fbdev/core/sysimgblt.c:323
sp : ffff800020837340
x29: ffff800020837480 x28: 0000000000000001 x27: ffff800024a498a0
x26: ffff0000ce718281 x25: 1fffe00019ce3050 x24: ffff800024a498a0
x23: ffff800024a498a0 x22: 0000000000000000 x21: ffff800020837400
x20: 0000000000000001 x19: ffff0000ce718280 x18: 1fffe00033e7697e
x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000002
x14: 0000000000000004 x13: 0000000000ff0100 x12: ffff800016104d18
x11: dfff800000000000 x10: 0000000000000000 x9 : 1ffff00004949314
x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000031000000228
x5 : ffff0000ce79c250 x4 : 0000000000000000 x3 : ffff80000aefa524
x2 : ffffffffffffffc0 x1 : ffff800016104cf0 x0 : 0000000000000001
Call trace:
 fast_imageblit drivers/video/fbdev/core/sysimgblt.c:257 [inline]
 sys_imageblit+0x1328/0x1d10 drivers/video/fbdev/core/sysimgblt.c:323
 drm_fb_helper_sys_imageblit+0x40/0x464 drivers/gpu/drm/drm_fb_helper.c:864
 drm_fbdev_fb_imageblit+0x170/0x1dc drivers/gpu/drm/drm_fb_helper.c:2402
 soft_cursor+0x53c/0x6c4 drivers/video/fbdev/core/softcursor.c:74
 bit_cursor+0x10cc/0x185c drivers/video/fbdev/core/bitblit.c:404
 fbcon_cursor+0x3c4/0x5a8 drivers/video/fbdev/core/fbcon.c:1343
 set_cursor drivers/tty/vt/vt.c:920 [inline]
 con_flush_chars+0x204/0x280 drivers/tty/vt/vt.c:3368
 con_write+0x40/0x58 drivers/tty/vt/vt.c:3296
 process_output_block drivers/tty/n_tty.c:586 [inline]
 n_tty_write+0xb60/0xf50 drivers/tty/n_tty.c:2377
 do_tty_write drivers/tty/tty_io.c:1018 [inline]
 file_tty_write+0x3c0/0x6d8 drivers/tty/tty_io.c:1089
 tty_write+0x44/0x54 drivers/tty/tty_io.c:1110
 call_write_iter include/linux/fs.h:2265 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x3c8/0x7c8 fs/read_write.c:584
 ksys_write+0x12c/0x228 fs/read_write.c:637
 __do_sys_write fs/read_write.c:649 [inline]
 __se_sys_write fs/read_write.c:646 [inline]
 __arm64_sys_write+0x7c/0x90 fs/read_write.c:646
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Code: aa1703fb d343ff09 f90043f3 0a481f8a (38eb6928) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	aa1703fb 	mov	x27, x23
   4:	d343ff09 	lsr	x9, x24, #3
   8:	f90043f3 	str	x19, [sp, #128]
   c:	0a481f8a 	and	w10, w28, w8, lsr #7
* 10:	38eb6928 	ldrsb	w8, [x9, x11] <-- trapping instruction