REISERFS warning (device loop1): sh-458 journal_init_dev: cannot init journal device 'unknown-block(259,0)': -6
kasan: GPF could be caused by NULL-ptr deref or user memory access
REISERFS warning (device loop1): sh-462 journal_init: unable to initialize journal device
reiserfs: using flush barriers
REISERFS warning (device loop2): sh-458 journal_init_dev: cannot init journal device 'unknown-block(259,0)': -6
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 22102 Comm: syz-executor5 Not tainted 4.20.0-rc7+ #375
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
RSP: 0018:ffff8881c35777d0 EFLAGS: 00010203
RAX: 0000000000000002 RBX: 0000000000000009 RCX: dffffc0000000000
RDX: dffffc0000000000 RSI: ffffffff85587ba0 RDI: 0000000000000014
RBP: ffff8881c3577820 R08: ffff88817cc58100 R09: ffffed103a33b156
R10: ffffed103a33b156 R11: ffff8881d19d8ab7 R12: 0000000000000000
R13: 0000000000000001 R14: ffffffff00000000 R15: ffff8881cb607268
FS:  00007fcb9c444700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004d9380 CR3: 000000017ffb3000 CR4: 00000000001426e0
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:00007fcb9c443c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000457669
RDX: fffffffffffffffd RSI: 0000000000002000 RDI: 0000000020ffe000
RBP: 000000000072bf00 R08: 0000000000000004 R09: ffffffff00000000
R10: 0000000000000011 R11: 0000000000000246 R12: 00007fcb9c4446d4
R13: 00000000004c2d3e R14: 00000000004d5078 R15: 00000000ffffffff
Modules linked in:
REISERFS warning (device loop2): sh-462 journal_init: unable to initialize journal device
kobject: 'loop4' (00000000efdb33b8): kobject_uevent_env
REISERFS warning (device loop1): sh-2022 reiserfs_fill_super: unable to initialize journal space
kobject: 'loop4' (00000000efdb33b8): fill_kobj_path: path = '/devices/virtual/block/loop4'
REISERFS warning (device loop2): sh-2022 reiserfs_fill_super: unable to initialize journal space
kobject: 'kvm' (00000000139b8a5a): kobject_uevent_env
kobject: 'kvm' (00000000139b8a5a): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop1' (00000000e37b5013): kobject_uevent_env
kobject: 'loop1' (00000000e37b5013): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'kvm' (00000000139b8a5a): kobject_uevent_env
kvm [22110]: vcpu0, guest rIP: 0xfff0 disabled perfctr wrmsr: 0xc0010007 data 0x0
kobject: 'loop0' (0000000098d044b4): kobject_uevent_env
kobject: 'kvm' (00000000139b8a5a): kobject_uevent_env
kobject: 'loop0' (0000000098d044b4): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'kvm' (00000000139b8a5a): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop1' (00000000e37b5013): kobject_uevent_env
kobject: 'loop1' (00000000e37b5013): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'kvm' (00000000139b8a5a): kobject_uevent_env
kobject: 'kvm' (00000000139b8a5a): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop2' (00000000506cc593): kobject_uevent_env
kobject: 'loop2' (00000000506cc593): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'kvm' (00000000139b8a5a): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (00000000139b8a5a): kobject_uevent_env
kobject: 'loop4' (00000000efdb33b8): kobject_uevent_env
kobject: 'kvm' (00000000139b8a5a): fill_kobj_path: path = '/devices/virtual/misc/kvm'
---[ end trace 15e6b8cb5e2785eb ]---
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' (00000000efdb33b8): fill_kobj_path: path = '/devices/virtual/block/loop4'
RSP: 0018:ffff8881c35777d0 EFLAGS: 00010203
kobject: 'loop2' (00000000506cc593): kobject_uevent_env
RAX: 0000000000000002 RBX: 0000000000000009 RCX: dffffc0000000000
RDX: dffffc0000000000 RSI: ffffffff85587ba0 RDI: 0000000000000014
kobject: 'loop2' (00000000506cc593): fill_kobj_path: path = '/devices/virtual/block/loop2'
RBP: ffff8881c3577820 R08: ffff88817cc58100 R09: ffffed103a33b156
R10: ffffed103a33b156 R11: ffff8881d19d8ab7 R12: 0000000000000000
R13: 0000000000000001 R14: ffffffff00000000 R15: ffff8881cb607268
FS:  00007fcb9c444700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
kobject: 'kvm' (00000000139b8a5a): kobject_uevent_env
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000201f9b8 CR3: 000000017ffb3000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400