8<--- cut here --- Unable to handle kernel paging request at virtual address e03c4000 pgd = 8588f300 [e03c4000] *pgd=80000080007003, *pmd=841f4003, *pte=00000000 Internal error: Oops: a07 [#1] PREEMPT SMP ARM Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 0 PID: 16938 Comm: syz-executor.1 Not tainted 5.12.0-rc3-syzkaller #0 Hardware name: ARM-Versatile Express PC is at __raw_writel arch/arm/include/asm/io.h:95 [inline] PC is at bitfill_aligned drivers/video/fbdev/core/cfbfillrect.c:65 [inline] PC is at bitfill_aligned+0x94/0x138 drivers/video/fbdev/core/cfbfillrect.c:35 LR is at bitfill_aligned drivers/video/fbdev/core/cfbfillrect.c:62 [inline] LR is at bitfill_aligned+0x80/0x138 drivers/video/fbdev/core/cfbfillrect.c:35 pc : [<808f34dc>] lr : [<808f34c8>] psr: 20000113 sp : 83507ad0 ip : 83507b00 fp : 83507afc r10: 007c6f00 r9 : 00000020 r8 : ffffffff r7 : 00000000 r6 : 00000000 r5 : e02cc000 r4 : 00ff0700 r3 : e03c4020 r2 : 00000370 r1 : 00000020 r0 : 0003e378 Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 30c5387d Table: 8588f300 DAC: fffffffd Process syz-executor.1 (pid: 16938, stack limit = 0x83506210) Stack: (0x83507ad0 to 0x83508000) 7ac0: 00ff0700 844d7000 000000f7 e02cc000 7ae0: 007c6f00 00ff0700 808f3448 00000000 83507b4c 83507b00 808f32c0 808f3454 7b00: 007c6f00 00000020 83507b04 74ed06db 84266134 84266a1c 00200000 00000000 7b20: 00000000 83507b74 844d7000 000002c0 00000040 833a7c6c 833a7c6c 83420800 7b40: 83507b6c 83507b50 809b515c 808f311c 83507ba4 83507b60 844d7000 0003e378 7b60: 83507bac 83507b70 808ed7c0 809b5120 833a7c6c 00000000 00000040 0003e378 7b80: 000002c0 00000000 00000000 74ed06db 808ed6e4 833a7b34 84266a00 82b5a808 7ba0: 83507bc4 83507bb0 808e7794 808ed6f0 844d7000 833a7b34 83507cac 83507bc8 7bc0: 808ec82c 808e773c 83507c64 844d7000 844d70a8 00000000 83507c2c 00000400 7be0: 00000300 00000400 00000300 00000000 00000000 00000020 00000000 00000010 7c00: 00000008 00000000 00000008 00000008 00000000 00000000 00000008 00000000 7c20: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000001 7c40: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 7c60: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 74ed06db 7c80: 83420800 83420800 00000000 84266a00 00000001 00000000 84266a00 00000000 7ca0: 83507ce4 83507cb0 8095bc44 808ec584 808df5c4 808df0e0 00000000 74ed06db 7cc0: 844d7000 844d7000 83420800 84266a00 00000001 00000000 83507dc4 83507ce8 7ce0: 808ebac0 8095bb68 83507d04 83507cf8 8181da3c 00000400 00000300 00000400 7d00: 00000300 00000000 00000000 00000020 00000000 00000010 00000008 00000000 7d20: 00000008 00000008 00000000 00000000 00000008 00000000 00000000 00000000 7d40: 00000000 00000000 00000280 00000000 00000000 00000001 00000000 00000000 7d60: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 7d80: 00000000 00000000 00000000 00000000 00000000 74ed06db 00000001 833aa120 7da0: 83420800 00000001 00000000 0000003a 83420800 86ba8400 83507de4 83507dc8 7dc0: 8095be50 808eb914 00000000 86ba8400 00004b3a 83420800 83507e64 83507de8 7de0: 80953550 8095bdb0 8181da3c 8181d8ec 83507e2c 83507e00 8181c914 8181da2c 7e00: 00000000 00000000 81f94a50 00000103 82bfd371 83561dc0 00000005 00000036 7e20: 83507e54 83507e30 8027ea14 8181c7fc 00000000 74ed06db 81f94a50 fffffdfd 7e40: 00004b3a 86ba8400 83561dc0 fffff73a 00000000 86ba8400 83507f0c 83507e68 7e60: 8093f838 80951be0 00000000 74ed06db 834a1ea8 0000003a 834ebbd8 0000004b 7e80: 00000001 83561dc0 00000005 00000036 83507eec 83507ea0 80701ab0 806f7780 7ea0: 00000001 0000004b 0000003a 83507ebc 8588c790 83805840 00004b3a 83561d0b 7ec0: 83507eb0 83561dc0 00000005 74ed06db 821280c8 00000000 83561dc0 74ed06db 7ee0: 83507f0c 00004b3a 00000000 83561dc1 00000000 83561dc0 00000005 834ebbd8 7f00: 83507fa4 83507f10 804f33f4 8093f480 8020d140 8020e34c 00000000 80200e90 7f20: 828a2438 80200e90 855530c0 80200060 83507f4c 83507f40 8181da3c 8181d8ec 7f40: 83507f74 83507f50 8181cafc 8181da2c 83507f98 80384d84 828abd1c 80200e90 7f60: 60000093 30c5387d 83507f94 83507f78 828abd1c 74ed06db 00000000 00000000 7f80: 00000000 00000000 00000036 80200224 83506000 00000036 00000000 83507fa8 7fa0: 80200060 804f32e0 00000000 00000000 00000005 00004b3a 00000000 00000000 7fc0: 00000000 00000000 00000000 00000036 7ef6379a 76f666d0 7ef63914 76f6620c 7fe0: 76f66048 76f66038 00018c00 0004b440 60000010 00000005 00000000 00000000 Backtrace: [<808f3448>] (bitfill_aligned) from [<808f32c0>] (sys_fillrect+0x1b0/0x338 drivers/video/fbdev/core/sysfillrect.c:291) r10:00000000 r9:808f3448 r8:00ff0700 r7:007c6f00 r6:e02cc000 r5:000000f7 r4:844d7000 r3:00ff0700 [<808f3110>] (sys_fillrect) from [<809b515c>] (drm_fb_helper_sys_fillrect drivers/gpu/drm/drm_fb_helper.c:764 [inline]) [<808f3110>] (sys_fillrect) from [<809b515c>] (drm_fbdev_fb_fillrect+0x48/0x4c drivers/gpu/drm/drm_fb_helper.c:2258) r10:83420800 r9:833a7c6c r8:833a7c6c r7:00000040 r6:000002c0 r5:844d7000 r4:83507b74 [<809b5114>] (drm_fbdev_fb_fillrect) from [<808ed7c0>] (bit_clear_margins+0xdc/0x104 drivers/video/fbdev/core/bitblit.c:232) r5:0003e378 r4:844d7000 [<808ed6e4>] (bit_clear_margins) from [<808e7794>] (fbcon_clear_margins+0x64/0x68 drivers/video/fbdev/core/fbcon.c:1315) r7:82b5a808 r6:84266a00 r5:833a7b34 r4:808ed6e4 [<808e7730>] (fbcon_clear_margins) from [<808ec82c>] (fbcon_switch+0x2b4/0x4ac drivers/video/fbdev/core/fbcon.c:2143) r5:833a7b34 r4:844d7000 [<808ec578>] (fbcon_switch) from [<8095bc44>] (redraw_screen+0xe8/0x248 drivers/tty/vt/vt.c:1021) r10:00000000 r9:84266a00 r8:00000000 r7:00000001 r6:84266a00 r5:00000000 r4:83420800 [<8095bb5c>] (redraw_screen) from [<808ebac0>] (fbcon_blank+0x1b8/0x250 drivers/video/fbdev/core/fbcon.c:2204) r8:00000000 r7:00000001 r6:84266a00 r5:83420800 r4:844d7000 [<808eb908>] (fbcon_blank) from [<8095be50>] (do_unblank_screen+0xac/0x17c drivers/tty/vt/vt.c:4405) r10:86ba8400 r9:83420800 r8:0000003a r7:00000000 r6:00000001 r5:83420800 r4:833aa120 [<8095bda4>] (do_unblank_screen) from [<80953550>] (vt_kdsetmode drivers/tty/vt/vt_ioctl.c:276 [inline]) [<8095bda4>] (do_unblank_screen) from [<80953550>] (vt_k_ioctl drivers/tty/vt/vt_ioctl.c:381 [inline]) [<8095bda4>] (do_unblank_screen) from [<80953550>] (vt_ioctl+0x197c/0x1be8 drivers/tty/vt/vt_ioctl.c:713) r7:83420800 r6:00004b3a r5:86ba8400 r4:00000000 [<80951bd4>] (vt_ioctl) from [<8093f838>] (tty_ioctl+0x3c4/0xc1c drivers/tty/tty_io.c:2801) r10:86ba8400 r9:00000000 r8:fffff73a r7:83561dc0 r6:86ba8400 r5:00004b3a r4:fffffdfd [<8093f474>] (tty_ioctl) from [<804f33f4>] (vfs_ioctl fs/ioctl.c:48 [inline]) [<8093f474>] (tty_ioctl) from [<804f33f4>] (do_vfs_ioctl fs/ioctl.c:725 [inline]) [<8093f474>] (tty_ioctl) from [<804f33f4>] (__do_sys_ioctl fs/ioctl.c:751 [inline]) [<8093f474>] (tty_ioctl) from [<804f33f4>] (sys_ioctl+0x120/0xaa4 fs/ioctl.c:739) r10:834ebbd8 r9:00000005 r8:83561dc0 r7:00000000 r6:83561dc1 r5:00000000 r4:00004b3a [<804f32d4>] (sys_ioctl) from [<80200060>] (ret_fast_syscall+0x0/0x2c arch/arm/mm/proc-v7.S:64) Exception stack(0x83507fa8 to 0x83507ff0) 7fa0: 00000000 00000000 00000005 00004b3a 00000000 00000000 7fc0: 00000000 00000000 00000000 00000036 7ef6379a 76f666d0 7ef63914 76f6620c 7fe0: 76f66048 76f66038 00018c00 0004b440 r10:00000036 r9:83506000 r8:80200224 r7:00000036 r6:00000000 r5:00000000 r4:00000000 Code: 9a000012 e2853020 e1a02000 e2422008 (e5034020) ---[ end trace 029c3446ed3ca101 ]---