8<--- cut here --- Unable to handle kernel paging request at virtual address e03c4000 pgd = 86bf5b80 [e03c4000] *pgd=80000080007003, *pmd=84462003, *pte=00000000 Internal error: Oops: a07 [#1] PREEMPT SMP ARM Modules linked in: CPU: 0 PID: 8155 Comm: syz-executor.0 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 : [<808f355c>] lr : [<808f3548>] psr: 20000013 sp : 86b99ad0 ip : 86b99b00 fp : 86b99afc r10: 0003ff00 r9 : 00000020 r8 : ffffffff r7 : 00000000 r6 : 00000000 r5 : e03bd000 r4 : 00e30e00 r3 : e03c4020 r2 : 000003f0 r1 : 00000020 r0 : 00001ff8 Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 30c5387d Table: 86bf5b80 DAC: fffffffd Process syz-executor.0 (pid: 8155, stack limit = 0x86b98210) Stack: (0x86b99ad0 to 0x86b9a000) 9ac0: 00e30e00 843cf400 00000006 e03bd000 9ae0: 0003ff00 00e30e00 808f34c8 00000000 86b99b4c 86b99b00 808f3340 808f34d4 9b00: 0003ff00 00000020 86b99b04 56b92eae 8405cb34 8405de1c 00100000 00000000 9b20: 00000000 86b99b74 843cf400 000002e0 00000020 833a7c6c 833a7c6c 83420800 9b40: 86b99b6c 86b99b50 809b51b4 808f319c 86b99ba4 86b99b60 843cf400 00001ff8 9b60: 86b99bac 86b99b70 808ed840 809b5178 833a7c6c 00000000 00000020 00001ff8 9b80: 000002e0 00000000 00000000 56b92eae 808ed764 833a7b34 8405de00 82b5a808 9ba0: 86b99bc4 86b99bb0 808e7814 808ed770 843cf400 833a7b34 86b99cac 86b99bc8 9bc0: 808ec8ac 808e77bc 86b99c64 843cf400 843cf4a8 00000000 86b99c2c 00000400 9be0: 00000300 00000400 00000300 00000000 00000000 00000020 00000000 00000010 9c00: 00000008 00000000 00000008 00000008 00000000 00000000 00000008 00000000 9c20: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000001 9c40: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9c60: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 56b92eae 9c80: 83420800 83420800 00000000 8405de00 00000001 00000000 8405de00 00000000 9ca0: 86b99ce4 86b99cb0 8095bc9c 808ec604 808df644 808df160 00000000 56b92eae 9cc0: 843cf400 843cf400 83420800 8405de00 00000001 00000000 86b99dc4 86b99ce8 9ce0: 808ebb40 8095bbc0 86b99d04 86b99cf8 8181dacc 00000400 00000300 00000400 9d00: 00000300 00000000 00000000 00000020 00000000 00000010 00000008 00000000 9d20: 00000008 00000008 00000000 00000000 00000008 00000000 00000000 00000000 9d40: 00000000 00000000 00000280 00000000 00000000 00000001 00000000 00000000 9d60: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9d80: 00000000 00000000 00000000 00000000 00000000 56b92eae 00000001 833aa120 9da0: 83420800 00000001 00000000 0000003a 83420800 8657d800 86b99de4 86b99dc8 9dc0: 8095bea8 808eb994 00000000 8657d800 00004b3a 83420800 86b99e64 86b99de8 9de0: 809535a8 8095be08 8181dacc 8181d97c 86b99e2c 86b99e00 8181c9a4 8181dabc 9e00: 00000000 00000000 81f94a4c 00000103 82bfd371 836b1780 00000003 00000036 9e20: 86b99e54 86b99e30 8027ea14 8181c88c 00000000 56b92eae 81f94a4c fffffdfd 9e40: 00004b3a 8657d800 836b1780 fffff73a 00000000 8657d800 86b99f0c 86b99e68 9e60: 8093f890 80951c38 00000000 56b92eae 837e0e18 0000003a 837632f0 0000004b 9e80: 00000001 836b1780 00000003 00000036 86b99eec 86b99ea0 80701b40 806f7810 9ea0: 00000001 0000004b 0000003a 86b99ebc 855db850 83dce300 00004b3a 836b170b 9ec0: 86b99eb0 836b1780 00000003 56b92eae 821280c8 00000000 836b1780 56b92eae 9ee0: 86b99f0c 00004b3a 00000000 836b1781 00000000 836b1780 00000003 837632f0 9f00: 86b99fa4 86b99f10 804f33f4 8093f4d8 8020d140 8020e34c 00000000 80200e90 9f20: 828a2438 80200e90 8687e180 80200060 86b99f4c 86b99f40 8181dacc 8181d97c 9f40: 86b99f74 86b99f50 8181cb8c 8181dabc 86b99f98 80384d84 828abd1c 80200e90 9f60: 60000093 30c5387d 86b99f94 86b99f78 828abd1c 56b92eae 00000000 00000000 9f80: 00000000 00000000 00000036 80200224 86b98000 00000036 00000000 86b99fa8 9fa0: 80200060 804f32e0 00000000 00000000 00000003 00004b3a 00000000 00000000 9fc0: 00000000 00000000 00000000 00000036 7eab3332 76f5b6d0 7eab34ac 76f5b20c 9fe0: 76f5b048 76f5b038 00018bf8 0004b480 60000010 00000003 00000000 00000000 Backtrace: [<808f34c8>] (bitfill_aligned) from [<808f3340>] (sys_fillrect+0x1b0/0x338 drivers/video/fbdev/core/sysfillrect.c:291) r10:00000000 r9:808f34c8 r8:00e30e00 r7:0003ff00 r6:e03bd000 r5:00000006 r4:843cf400 r3:00e30e00 [<808f3190>] (sys_fillrect) from [<809b51b4>] (drm_fb_helper_sys_fillrect drivers/gpu/drm/drm_fb_helper.c:764 [inline]) [<808f3190>] (sys_fillrect) from [<809b51b4>] (drm_fbdev_fb_fillrect+0x48/0x4c drivers/gpu/drm/drm_fb_helper.c:2258) r10:83420800 r9:833a7c6c r8:833a7c6c r7:00000020 r6:000002e0 r5:843cf400 r4:86b99b74 [<809b516c>] (drm_fbdev_fb_fillrect) from [<808ed840>] (bit_clear_margins+0xdc/0x104 drivers/video/fbdev/core/bitblit.c:232) r5:00001ff8 r4:843cf400 [<808ed764>] (bit_clear_margins) from [<808e7814>] (fbcon_clear_margins+0x64/0x68 drivers/video/fbdev/core/fbcon.c:1315) r7:82b5a808 r6:8405de00 r5:833a7b34 r4:808ed764 [<808e77b0>] (fbcon_clear_margins) from [<808ec8ac>] (fbcon_switch+0x2b4/0x4ac drivers/video/fbdev/core/fbcon.c:2143) r5:833a7b34 r4:843cf400 [<808ec5f8>] (fbcon_switch) from [<8095bc9c>] (redraw_screen+0xe8/0x248 drivers/tty/vt/vt.c:1021) r10:00000000 r9:8405de00 r8:00000000 r7:00000001 r6:8405de00 r5:00000000 r4:83420800 [<8095bbb4>] (redraw_screen) from [<808ebb40>] (fbcon_blank+0x1b8/0x250 drivers/video/fbdev/core/fbcon.c:2204) r8:00000000 r7:00000001 r6:8405de00 r5:83420800 r4:843cf400 [<808eb988>] (fbcon_blank) from [<8095bea8>] (do_unblank_screen+0xac/0x17c drivers/tty/vt/vt.c:4405) r10:8657d800 r9:83420800 r8:0000003a r7:00000000 r6:00000001 r5:83420800 r4:833aa120 [<8095bdfc>] (do_unblank_screen) from [<809535a8>] (vt_kdsetmode drivers/tty/vt/vt_ioctl.c:276 [inline]) [<8095bdfc>] (do_unblank_screen) from [<809535a8>] (vt_k_ioctl drivers/tty/vt/vt_ioctl.c:381 [inline]) [<8095bdfc>] (do_unblank_screen) from [<809535a8>] (vt_ioctl+0x197c/0x1be8 drivers/tty/vt/vt_ioctl.c:713) r7:83420800 r6:00004b3a r5:8657d800 r4:00000000 [<80951c2c>] (vt_ioctl) from [<8093f890>] (tty_ioctl+0x3c4/0xc1c drivers/tty/tty_io.c:2801) r10:8657d800 r9:00000000 r8:fffff73a r7:836b1780 r6:8657d800 r5:00004b3a r4:fffffdfd [<8093f4cc>] (tty_ioctl) from [<804f33f4>] (vfs_ioctl fs/ioctl.c:48 [inline]) [<8093f4cc>] (tty_ioctl) from [<804f33f4>] (do_vfs_ioctl fs/ioctl.c:725 [inline]) [<8093f4cc>] (tty_ioctl) from [<804f33f4>] (__do_sys_ioctl fs/ioctl.c:751 [inline]) [<8093f4cc>] (tty_ioctl) from [<804f33f4>] (sys_ioctl+0x120/0xaa4 fs/ioctl.c:739) r10:837632f0 r9:00000003 r8:836b1780 r7:00000000 r6:836b1781 r5:00000000 r4:00004b3a [<804f32d4>] (sys_ioctl) from [<80200060>] (ret_fast_syscall+0x0/0x2c arch/arm/mm/proc-v7.S:64) Exception stack(0x86b99fa8 to 0x86b99ff0) 9fa0: 00000000 00000000 00000003 00004b3a 00000000 00000000 9fc0: 00000000 00000000 00000000 00000036 7eab3332 76f5b6d0 7eab34ac 76f5b20c 9fe0: 76f5b048 76f5b038 00018bf8 0004b480 r10:00000036 r9:86b98000 r8:80200224 r7:00000036 r6:00000000 r5:00000000 r4:00000000 Code: 9a000012 e2853020 e1a02000 e2422008 (e5034020) ---[ end trace d19795eddac95480 ]---