binder: 15835:15855 ioctl c0306201 200000c0 returned -22
BTRFS: device fsid ecf6f2a2-2997-48ae-b81e-1b00920efd9a devid 28 transid 756082810144684242 /dev/loop1
hfsplus: unable to find HFS+ superblock
IPVS: set_ctl: invalid protocol: 59 172.20.20.17:20002
hfsplus: unable to find HFS+ superblock
BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
BTRFS error (device loop1): unsupported checksum algorithm 3786
PGD 1cc178067 P4D 1cc178067 PUD 1b2cf7067 PMD 0 
Oops: 0010 [#1] SMP KASAN
CPU: 1 PID: 15870 Comm: syz-executor6 Not tainted 4.18.0-rc2+ #121
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:          (null)
Code: Bad RIP value.
RSP: 0018:ffff8801a0e27688 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88018c5044c0 RCX: ffffc900136f3000
RDX: ffff8801a0e279e0 RSI: ffff88018c5044c0 RDI: ffff8801d4937540
BTRFS error (device loop1): superblock checksum mismatch
RBP: ffff8801a0e27730 R08: ffff880196f68400 R09: ffffed003b5e46d6
R10: 0000000000000003 R11: 0000000000000000 R12: ffff8801a0e279e0
R13: ffff8801d4937540 R14: ffffffff8818a920 R15: ffff8801b831d740
FS:  00007fe205cae700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 00000001cc179000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
BTRFS error (device loop1): open_ctree failed
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 vfs_poll include/linux/poll.h:86 [inline]
 do_pollfd fs/select.c:825 [inline]
 do_poll fs/select.c:873 [inline]
 do_sys_poll+0x74d/0x1180 fs/select.c:967
 __do_sys_ppoll fs/select.c:1075 [inline]
 __se_sys_ppoll fs/select.c:1047 [inline]
 __x64_sys_ppoll+0x2fe/0x610 fs/select.c:1047
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x455a99
Code: 1d ba 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 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 
RSP: 002b:00007fe205cadc68 EFLAGS: 00000246 ORIG_RAX: 000000000000010f
RAX: ffffffffffffffda RBX: 00007fe205cae6d4 RCX: 0000000000455a99
RDX: 0000000020000bc0 RSI: 0000000000000001 RDI: 0000000020000b80
RBP: 000000000072bea0 R08: 0000000000000008 R09: 0000000000000000
R10: 0000000020000c00 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004c0638 R14: 00000000004cffc0 R15: 0000000000000000
Modules linked in:
Dumping ftrace buffer:
   (ftrace buffer empty)
CR2: 0000000000000000
---[ end trace 4e8cf26dbd1a125e ]---
RIP: 0010:          (null)
Code: Bad RIP value.
RSP: 0018:ffff8801a0e27688 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88018c5044c0 RCX: ffffc900136f3000
RDX: ffff8801a0e279e0 RSI: ffff88018c5044c0 RDI: ffff8801d4937540
RBP: ffff8801a0e27730 R08: ffff880196f68400 R09: ffffed003b5e46d6
R10: 0000000000000003 R11: 0000000000000000 R12: ffff8801a0e279e0
R13: ffff8801d4937540 R14: ffffffff8818a920 R15: ffff8801b831d740
FS:  00007fe205cae700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 00000001cc179000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400