8<--- cut here --- Unable to handle kernel paging request at virtual address e03c4000 pgd = 86d0b880 [e03c4000] *pgd=80000080007003, *pmd=84517003, *pte=00000000 Internal error: Oops: a07 [#1] PREEMPT SMP ARM Modules linked in: CPU: 1 PID: 7370 Comm: syz-executor.0 Not tainted 5.12.0-rc3-syzkaller #0 Hardware name: ARM-Versatile Express PC is at fast_imageblit drivers/video/fbdev/core/sysimgblt.c:229 [inline] PC is at sys_imageblit+0x4b0/0x52c drivers/video/fbdev/core/sysimgblt.c:275 LR is at 0xe03c4000 pc : [<808f4744>] lr : [] psr: 00000113 sp : 83507ad8 ip : 845334d0 fp : 83507b2c r10: 81b0a288 r9 : 00000000 r8 : e03c4000 r7 : 0000000f r6 : 845334d0 r5 : 00000001 r4 : 00000000 r3 : 00000000 r2 : 00000007 r1 : 00000001 r0 : 00000046 Flags: nzcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none Control: 30c5387d Table: 86d0b880 DAC: 00000000 Process syz-executor.0 (pid: 7370, stack limit = 0x83506210) Stack: (0x83507ad8 to 0x83508000) 7ac0: 83507b64 00000001 7ae0: 00000001 00000010 00000009 83507bb4 00000047 00000048 845334d0 84508c00 7b00: 82b5a808 83507bb4 84508c00 00000009 86d786d2 00000000 000000ff 83420800 7b20: 83507b4c 83507b30 809b5200 808f42a0 00000009 00000001 ffffffff 845334d9 7b40: 83507c1c 83507b50 808edbf8 809b51c4 84530000 00000000 82b5a808 00000000 7b60: 83420a60 ffffffff ffffffff 84508e3c 00000000 00000000 00000000 00000200 7b80: 84508c00 00000009 86d786c0 00000009 808ed764 833a7b34 84326200 84327c18 7ba0: 00000000 00000001 00000010 00000001 84508c00 00000000 00000300 00000048 7bc0: 00000010 00000007 00000000 84508c01 845334d0 00000000 00000000 00000400 7be0: 00000300 00000400 00000300 56b92eae 83507c1c 83420800 86d786c0 00000009 7c00: 84508c00 808ed9d8 00000030 00000007 83507c64 83507c20 808e7f48 808ed9e4 7c20: 00000030 00000000 00000007 00000000 00000000 00000007 00000360 86d786d2 7c40: 808e7e60 00000e73 83420800 00000060 86d786d2 00000009 83507cac 83507c68 7c60: 8095a3b8 808e7e6c 00000000 83507c78 808e83c4 00000000 00000000 56b92eae 7c80: 00000001 83420800 00000000 00000001 00000001 00000000 84326200 00000000 7ca0: 83507ce4 83507cb0 8095bdc8 8095a2b4 00000000 00000000 00000000 56b92eae 7cc0: 8027f348 84508c00 83420800 84326200 00000001 00000000 83507dc4 83507ce8 7ce0: 808ebb40 8095bbc0 00000007 00000006 83506000 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 56b92eae 0000003a 833aa120 7da0: 83420800 00000001 00000000 0000003a 83420800 86d7e800 83507de4 83507dc8 7dc0: 8095bea8 808eb994 00000000 86d7e800 00004b3a 83420800 83507e64 83507de8 7de0: 809535a8 8095be08 8181dacc 8181d97c 83507e2c 83507e00 8181c9a4 8181dabc 7e00: 00000000 00000000 81f94a4c 00000103 82bfd371 869f6b40 00000003 00000036 7e20: 83507e54 83507e30 8027ea14 8181c88c 00000000 56b92eae 81f94a4c fffffdfd 7e40: 00004b3a 86d7e800 869f6b40 fffff73a 00000000 86d7e800 83507f0c 83507e68 7e60: 8093f890 80951c38 00000000 56b92eae 837f6b90 0000003a 834eb8e0 0000004b 7e80: 00000001 869f6b40 00000003 00000036 83507eec 83507ea0 80701b40 806f7810 7ea0: 00000001 0000004b 0000003a 83507ebc 857c6b50 83dc2240 00004b3a 869f6b0b 7ec0: 83507eb0 869f6b40 00000003 56b92eae 821280c8 00000000 869f6b40 56b92eae 7ee0: 83507f0c 00004b3a 00000000 869f6b41 00000000 869f6b40 00000003 834eb8e0 7f00: 83507fa4 83507f10 804f33f4 8093f4d8 8020d140 8020e34c 00000000 80200e90 7f20: 828a2438 80200e90 8683c100 80200060 83507f4c 83507f40 8181dacc 8181d97c 7f40: 83507f74 83507f50 8181cb8c 8181dabc 83507f98 80384d84 828abd1c 80200e90 7f60: 60000093 30c5387d 83507f94 83507f78 828abd1c 56b92eae 00000000 00000000 7f80: 00000000 00000000 00000036 80200224 83506000 00000036 00000000 83507fa8 7fa0: 80200060 804f32e0 00000000 00000000 00000003 00004b3a 00000000 00000000 7fc0: 00000000 00000000 00000000 00000036 7ecdc332 76f156d0 7ecdc4ac 76f1520c 7fe0: 76f15048 76f15038 00018bf8 0004b480 60000010 00000003 00000000 00000000 Backtrace: [<808f4294>] (sys_imageblit) from [<809b5200>] (drm_fb_helper_sys_imageblit drivers/gpu/drm/drm_fb_helper.c:794 [inline]) [<808f4294>] (sys_imageblit) from [<809b5200>] (drm_fbdev_fb_imageblit+0x48/0x4c drivers/gpu/drm/drm_fb_helper.c:2276) r10:83420800 r9:000000ff r8:00000000 r7:86d786d2 r6:00000009 r5:84508c00 r4:83507bb4 [<809b51b8>] (drm_fbdev_fb_imageblit) from [<808edbf8>] (bit_putcs_unaligned drivers/video/fbdev/core/bitblit.c:139 [inline]) [<809b51b8>] (drm_fbdev_fb_imageblit) from [<808edbf8>] (bit_putcs+0x220/0x470 drivers/video/fbdev/core/bitblit.c:188) r5:845334d9 r4:ffffffff [<808ed9d8>] (bit_putcs) from [<808e7f48>] (fbcon_putcs+0xe8/0xf0 drivers/video/fbdev/core/fbcon.c:1296) r10:00000007 r9:00000030 r8:808ed9d8 r7:84508c00 r6:00000009 r5:86d786c0 r4:83420800 [<808e7e60>] (fbcon_putcs) from [<8095a3b8>] (do_update_region+0x110/0x1ac drivers/tty/vt/vt.c:676) r10:00000009 r9:86d786d2 r8:00000060 r7:83420800 r6:00000e73 r5:808e7e60 r4:86d786d2 [<8095a2a8>] (do_update_region) from [<8095bdc8>] (redraw_screen+0x214/0x248 drivers/tty/vt/vt.c:1035) r10:00000000 r9:84326200 r8:00000000 r7:00000001 r6:00000001 r5:00000000 r4:83420800 [<8095bbb4>] (redraw_screen) from [<808ebb40>] (fbcon_blank+0x1b8/0x250 drivers/video/fbdev/core/fbcon.c:2204) r8:00000000 r7:00000001 r6:84326200 r5:83420800 r4:84508c00 [<808eb988>] (fbcon_blank) from [<8095bea8>] (do_unblank_screen+0xac/0x17c drivers/tty/vt/vt.c:4405) r10:86d7e800 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 r5:86d7e800 r4:00000000 [<80951c2c>] (vt_ioctl) from [<8093f890>] (tty_ioctl+0x3c4/0xc1c drivers/tty/tty_io.c:2801) r10:86d7e800 r9:00000000 r8:fffff73a r7:869f6b40 r6:86d7e800 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) r10:834eb8e0 r9:00000003 r8:869f6b40 r7:00000000 r6:869f6b41 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 00000003 00004b3a 00000000 00000000 7fc0: 00000000 00000000 00000000 00000036 7ecdc332 76f156d0 7ecdc4ac 76f1520c 7fe0: 76f15048 76f15038 00018bf8 0004b480 r10:00000036 r9:83506000 r8:80200224 r7:00000036 r6:00000000 r5:00000000 r4:00000000 Code: e3700001 e79a3103 e0033004 e0233009 (e48e3004) ---[ end trace 0de61d40f9909213 ]---