Hello, When using Healer to fuzz the Latest Linux-6.5-rc6, the following crash was triggered. HEAD commit: 2ccdd1b13c591d306f0401d98dedc4bdcd02b421 (tag: v6.5-rc6） git tree: upstream console output: https://drive.google.com/file/d/1qIDQrn_fde3SaSG2JkkL7kv1Rn2e1jlR/view?usp=drive_link kernel config:https://drive.google.com/file/d/12QL_tHgc9I7N3m1Fqwuya83dltM8RM3z/view?usp=drive_link C reproducer:https://drive.google.com/file/d/1bWDPAydevQrNvBZSwtSXE9ommhfVYqdr/view?usp=drive_link Syzlang reproducer: https://drive.google.com/file/d/1BDx-cyYRS68mMlqvnJ9GF3KTIRet1_Tk/view?usp=drive_link If you fix this issue, please add the following tag to the commit: Reported-by: Yikebaer Aizezi <yikebaer61@xxxxxxxxx> get_vaddr_frames() cannot follow VM_IO mapping WARNING: CPU: 1 PID: 12030 at drivers/media/common/videobuf2/frame_vector.c:63 get_vaddr_frames drivers/media/common/videobuf2/frame_vector.c:63 [inline] WARNING: CPU: 1 PID: 12030 at drivers/media/common/videobuf2/frame_vector.c:63 get_vaddr_frames+0x1fd/0x210 drivers/media/common/videobuf2/frame_vector.c:36 Modules linked in: CPU: 1 PID: 12030 Comm: syz-executor Not tainted 6.5.0-rc6 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 RIP: 0010:get_vaddr_frames drivers/media/common/videobuf2/frame_vector.c:63 [inline] RIP: 0010:get_vaddr_frames+0x1fd/0x210 drivers/media/common/videobuf2/frame_vector.c:36 Code: 50 71 fb e9 06 ff ff ff e8 70 50 71 fb e9 cd fe ff ff e8 e6 83 21 fb 48 c7 c7 20 c5 b6 8a c6 05 e1 19 a1 07 01 e8 e3 87 e9 fa <0f> 0b e9 53 ff ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 90 41 57 41 RSP: 0018:ffffc90005b57818 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffffc9000d800000 RCX: ffffc90003181000 RDX: 0000000000040000 RSI: ffffffff81487083 RDI: 0000000000000001 RBP: ffffc9000d800004 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 R13: 00000000ffffffb5 R14: ffffffffff600000 R15: ffff888018a8c800 FS: 00007fc39c269640(0000) GS:ffff888135c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc39c268f98 CR3: 000000010b298000 CR4: 0000000000750ee0 PKRU: 55555554 Call Trace: <TASK> vb2_create_framevec+0x60/0xd0 drivers/media/common/videobuf2/videobuf2-memops.c:52 vb2_vmalloc_get_userptr+0x133/0x530 drivers/media/common/videobuf2/videobuf2-vmalloc.c:89 __prepare_userptr.constprop.0+0x6a8/0x1610 drivers/media/common/videobuf2/videobuf2-core.c:1180 __buf_prepare+0x623/0x810 drivers/media/common/videobuf2/videobuf2-core.c:1422 vb2_core_prepare_buf+0xe0/0x330 drivers/media/common/videobuf2/videobuf2-core.c:1561 vb2_prepare_buf+0xff/0x180 drivers/media/common/videobuf2/videobuf2-v4l2.c:738 v4l2_m2m_prepare_buf+0xe4/0x1e0 drivers/media/v4l2-core/v4l2-mem2mem.c:823 v4l_prepare_buf drivers/media/v4l2-core/v4l2-ioctl.c:2158 [inline] v4l_prepare_buf+0x92/0xc0 drivers/media/v4l2-core/v4l2-ioctl.c:2152 __video_do_ioctl+0xba2/0xf20 drivers/media/v4l2-core/v4l2-ioctl.c:3046 video_usercopy+0x3fb/0x14a0 drivers/media/v4l2-core/v4l2-ioctl.c:3387 v4l2_ioctl+0x1b9/0x250 drivers/media/v4l2-core/v4l2-dev.c:364 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x199/0x210 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fc39b09442d Code: 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa 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 b4 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fc39c269048 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fc39b1cc0a0 RCX: 00007fc39b09442d RDX: 0000000020000080 RSI: 00000000c058565d RDI: 0000000000000003 RBP: 00007fc39b1014b8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc39b100b51 R13: 000000000000000b R14: 00007fc39b1cc0a0 R15: 00007fc39c249000 </TASK> Modules linked in: CPU: 1 PID: 12030 Comm: syz-executor Not tainted 6.5.0-rc6 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 RIP: 0010:get_vaddr_frames drivers/media/common/videobuf2/frame_vector.c:63 [inline] RIP: 0010:get_vaddr_frames+0x1fd/0x210 drivers/media/common/videobuf2/frame_vector.c:36 Code: 50 71 fb e9 06 ff ff ff e8 70 50 71 fb e9 cd fe ff ff e8 e6 83 21 fb 48 c7 c7 20 c5 b6 8a c6 05 e1 19 a1 07 01 e8 e3 87 e9 fa <0f> 0b e9 53 ff ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 90 41 57 41 RSP: 0018:ffffc90005b57818 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffffc9000d800000 RCX: ffffc90003181000 RDX: 0000000000040000 RSI: ffffffff81487083 RDI: 0000000000000001 RBP: ffffc9000d800004 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 R13: 00000000ffffffb5 R14: ffffffffff600000 R15: ffff888018a8c800 FS: 00007fc39c269640(0000) GS:ffff888135c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc39c268f98 CR3: 000000010b298000 CR4: 0000000000750ee0 PKRU: 55555554 Call Trace: <TASK> vb2_create_framevec+0x60/0xd0 drivers/media/common/videobuf2/videobuf2-memops.c:52 vb2_vmalloc_get_userptr+0x133/0x530 drivers/media/common/videobuf2/videobuf2-vmalloc.c:89 __prepare_userptr.constprop.0+0x6a8/0x1610 drivers/media/common/videobuf2/videobuf2-core.c:1180 __buf_prepare+0x623/0x810 drivers/media/common/videobuf2/videobuf2-core.c:1422 vb2_core_prepare_buf+0xe0/0x330 drivers/media/common/videobuf2/videobuf2-core.c:1561 vb2_prepare_buf+0xff/0x180 drivers/media/common/videobuf2/videobuf2-v4l2.c:738 v4l2_m2m_prepare_buf+0xe4/0x1e0 drivers/media/v4l2-core/v4l2-mem2mem.c:823 v4l_prepare_buf drivers/media/v4l2-core/v4l2-ioctl.c:2158 [inline] v4l_prepare_buf+0x92/0xc0 drivers/media/v4l2-core/v4l2-ioctl.c:2152 __video_do_ioctl+0xba2/0xf20 drivers/media/v4l2-core/v4l2-ioctl.c:3046 video_usercopy+0x3fb/0x14a0 drivers/media/v4l2-core/v4l2-ioctl.c:3387 v4l2_ioctl+0x1b9/0x250 drivers/media/v4l2-core/v4l2-dev.c:364 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x199/0x210 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fc39b09442d Code: 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa 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 b4 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fc39c269048 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fc39b1cc0a0 RCX: 00007fc39b09442d RDX: 0000000020000080 RSI: 00000000c058565d RDI: 0000000000000003 RBP: 00007fc39b1014b8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc39b100b51 R13: 000000000000000b R14: 00007fc39b1cc0a0 R15: 00007fc39c249000 </TASK> Kernel panic - not syncing: kernel: panic_on_warn set ... CPU: 1 PID: 12030 Comm: syz-executor Not tainted 6.5.0-rc6 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd5/0x150 lib/dump_stack.c:106 panic+0x67e/0x730 kernel/panic.c:340 check_panic_on_warn+0xad/0xb0 kernel/panic.c:236 __warn+0xee/0x390 kernel/panic.c:673 __report_bug lib/bug.c:199 [inline] report_bug+0x2d9/0x500 lib/bug.c:219 handle_bug+0x3c/0x70 arch/x86/kernel/traps.c:326 exc_invalid_op+0x14/0x40 arch/x86/kernel/traps.c:347 asm_exc_invalid_op+0x16/0x20 arch/x86/include/asm/idtentry.h:568 RIP: 0010:get_vaddr_frames drivers/media/common/videobuf2/frame_vector.c:63 [inline] RIP: 0010:get_vaddr_frames+0x1fd/0x210 drivers/media/common/videobuf2/frame_vector.c:36 Code: 50 71 fb e9 06 ff ff ff e8 70 50 71 fb e9 cd fe ff ff e8 e6 83 21 fb 48 c7 c7 20 c5 b6 8a c6 05 e1 19 a1 07 01 e8 e3 87 e9 fa <0f> 0b e9 53 ff ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 90 41 57 41 RSP: 0018:ffffc90005b57818 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffffc9000d800000 RCX: ffffc90003181000 RDX: 0000000000040000 RSI: ffffffff81487083 RDI: 0000000000000001 RBP: ffffc9000d800004 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 R13: 00000000ffffffb5 R14: ffffffffff600000 R15: ffff888018a8c800 vb2_create_framevec+0x60/0xd0 drivers/media/common/videobuf2/videobuf2-memops.c:52 vb2_vmalloc_get_userptr+0x133/0x530 drivers/media/common/videobuf2/videobuf2-vmalloc.c:89 __prepare_userptr.constprop.0+0x6a8/0x1610 drivers/media/common/videobuf2/videobuf2-core.c:1180 __buf_prepare+0x623/0x810 drivers/media/common/videobuf2/videobuf2-core.c:1422 vb2_core_prepare_buf+0xe0/0x330 drivers/media/common/videobuf2/videobuf2-core.c:1561 vb2_prepare_buf+0xff/0x180 drivers/media/common/videobuf2/videobuf2-v4l2.c:738 v4l2_m2m_prepare_buf+0xe4/0x1e0 drivers/media/v4l2-core/v4l2-mem2mem.c:823 v4l_prepare_buf drivers/media/v4l2-core/v4l2-ioctl.c:2158 [inline] v4l_prepare_buf+0x92/0xc0 drivers/media/v4l2-core/v4l2-ioctl.c:2152 __video_do_ioctl+0xba2/0xf20 drivers/media/v4l2-core/v4l2-ioctl.c:3046 video_usercopy+0x3fb/0x14a0 drivers/media/v4l2-core/v4l2-ioctl.c:3387 v4l2_ioctl+0x1b9/0x250 drivers/media/v4l2-core/v4l2-dev.c:364 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x199/0x210 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fc39b09442d Code: 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa 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 b4 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fc39c269048 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fc39b1cc0a0 RCX: 00007fc39b09442d RDX: 0000000020000080 RSI: 00000000c058565d RDI: 0000000000000003 RBP: 00007fc39b1014b8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc39b100b51 R13: 000000000000000b R14: 00007fc39b1cc0a0 R15: 00007fc39c249000 </TASK> Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 1 seconds..
