kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access rpcbind: RPC call returned error 22 general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 8604 Comm: syz-executor1 Not tainted 4.20.0-rc7+ #377 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__find_plane_by_offset drivers/media/common/videobuf2/videobuf2-core.c:2032 [inline] RIP: 0010:vb2_mmap+0x23c/0x6f0 drivers/media/common/videobuf2/videobuf2-core.c:2154 Code: 80 3c 10 00 0f 85 21 04 00 00 48 b9 00 00 00 00 00 fc ff df 48 8b 45 b8 48 8b 00 48 8d 78 14 48 89 45 d0 48 89 f8 48 c1 e8 03 <0f> b6 14 08 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 00 kobject: 'loop2' (00000000ddb907e7): kobject_uevent_env RSP: 0018:ffff8881875277d0 EFLAGS: 00010203 RAX: 0000000000000002 RBX: 0000000000000009 RCX: dffffc0000000000 RDX: dffffc0000000000 RSI: ffffffff85587e00 RDI: 0000000000000014 RBP: ffff888187527820 R08: ffff88818751a3c0 R09: ffffed103722ce6e R10: ffffed103722ce6e R11: ffff8881b9167377 R12: 0000000000000000 R13: 0000000000000001 R14: ffffffff00000000 R15: ffff8881cb607268 FS: 00007f40c340e700(0000) GS:ffff8881dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kobject: 'loop2' (00000000ddb907e7): fill_kobj_path: path = '/devices/virtual/block/loop2' CR2: 0000000000708158 CR3: 00000001b9b88000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: vb2_fop_mmap+0x4b/0x70 drivers/media/common/videobuf2/videobuf2-v4l2.c:1004 v4l2_mmap+0x153/0x200 drivers/media/v4l2-core/v4l2-dev.c:401 call_mmap include/linux/fs.h:1862 [inline] mmap_region+0xe85/0x1cd0 mm/mmap.c:1786 do_mmap+0xa22/0x1230 mm/mmap.c:1559 do_mmap_pgoff include/linux/mm.h:2328 [inline] vm_mmap_pgoff+0x213/0x2c0 mm/util.c:350 ksys_mmap_pgoff+0x4da/0x660 mm/mmap.c:1609 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:100 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:91 [inline] __x64_sys_mmap+0xe9/0x1b0 arch/x86/kernel/sys_x86_64.c:91 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457669 Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f40c340dc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000457669 RDX: fffffffffffffffd RSI: 0000000000002000 RDI: 0000000020ffe000 RBP: 000000000072bf00 R08: 0000000000000005 R09: ffffffff00000000 R10: 0000000000000011 R11: 0000000000000246 R12: 00007f40c340e6d4 R13: 00000000004c2d75 R14: 00000000004d50e8 R15: 00000000ffffffff Modules linked in: ---[ end trace 4f8b7529a862fd8a ]--- kobject: 'loop4' (0000000051a795de): kobject_uevent_env kobject: 'loop3' (00000000945a2b28): kobject_uevent_env RIP: 0010:__find_plane_by_offset drivers/media/common/videobuf2/videobuf2-core.c:2032 [inline] RIP: 0010:vb2_mmap+0x23c/0x6f0 drivers/media/common/videobuf2/videobuf2-core.c:2154 Code: 80 3c 10 00 0f 85 21 04 00 00 48 b9 00 00 00 00 00 fc ff df 48 8b 45 b8 48 8b 00 48 8d 78 14 48 89 45 d0 48 89 f8 48 c1 e8 03 <0f> b6 14 08 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 00 kobject: 'loop4' (0000000051a795de): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000945a2b28): fill_kobj_path: path = '/devices/virtual/block/loop3' RSP: 0018:ffff8881875277d0 EFLAGS: 00010203 kobject: 'loop2' (00000000ddb907e7): kobject_uevent_env RAX: 0000000000000002 RBX: 0000000000000009 RCX: dffffc0000000000 RDX: dffffc0000000000 RSI: ffffffff85587e00 RDI: 0000000000000014 kobject: 'loop2' (00000000ddb907e7): fill_kobj_path: path = '/devices/virtual/block/loop2' RBP: ffff888187527820 R08: ffff88818751a3c0 R09: ffffed103722ce6e kobject: 'loop5' (000000007d963074): kobject_uevent_env R10: ffffed103722ce6e R11: ffff8881b9167377 R12: 0000000000000000 R13: 0000000000000001 R14: ffffffff00000000 R15: ffff8881cb607268 kobject: 'loop5' (000000007d963074): fill_kobj_path: path = '/devices/virtual/block/loop5' FS: 00007f40c340e700(0000) GS:ffff8881dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kobject: 'loop3' (00000000945a2b28): kobject_uevent_env CR2: 0000000000000000 CR3: 00000001b9b88000 CR4: 00000000001406f0 kobject: 'loop3' (00000000945a2b28): fill_kobj_path: path = '/devices/virtual/block/loop3' DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400