BUG: unable to handle page fault for address: fffffbfff5555559
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 21fff3067 P4D 21fff3067 PUD 21ffb6067 PMD 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 12084 Comm: syz-executor.0 Tainted: G        W         5.4.43-syzkaller-00527-gaf2b56c502d6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:file_inode include/linux/fs.h:1348 [inline]
RIP: 0010:fsnotify_open include/linux/fsnotify.h:265 [inline]
RIP: 0010:do_sys_open+0x3a6/0x630 fs/open.c:1099
Code: 3c ce ff 48 8b 5c 24 08 e9 24 01 00 00 49 89 c5 44 89 74 24 10 4c 8d 70 20 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 f7 e8 ec 66 fc ff 49 8b 1e 48 89 d8 48 c1
RSP: 0018:ffff8881896bfe40 EFLAGS: 00010a06
RAX: 1ffffffff5555559 RBX: 00000000200000c0 RCX: dffffc0000000000
RDX: ffffc900002fe000 RSI: 0000000000008472 RDI: 0000000000008473
RBP: ffff8881896bff10 R08: ffffffff81778513 R09: ffffed1032ed11f1
R10: ffffed1032ed11f1 R11: 0000000000000000 R12: ffff8881cd4c6600
R13: ffffffffaaaaaaaa R14: ffffffffaaaaaaca R15: ffffffffaaaaaaaa
FS:  00007fa276056700(0000) GS:ffff8881db800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffbfff5555559 CR3: 00000001cac92005 CR4: 00000000001606f0
DR0: 0000000020000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 do_syscall_64+0xcb/0x150 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45ca69
Code: 0d b7 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 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fa276055c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00000000004db500 RCX: 000000000045ca69
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200000c0
RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 000000000000009a R14: 00000000004c3547 R15: 00007fa2760566d4
Modules linked in:
CR2: fffffbfff5555559
---[ end trace 2db241d62b115840 ]---
RIP: 0010:file_inode include/linux/fs.h:1348 [inline]
RIP: 0010:fsnotify_open include/linux/fsnotify.h:265 [inline]
RIP: 0010:do_sys_open+0x3a6/0x630 fs/open.c:1099
Code: 3c ce ff 48 8b 5c 24 08 e9 24 01 00 00 49 89 c5 44 89 74 24 10 4c 8d 70 20 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 f7 e8 ec 66 fc ff 49 8b 1e 48 89 d8 48 c1
RSP: 0018:ffff8881896bfe40 EFLAGS: 00010a06
RAX: 1ffffffff5555559 RBX: 00000000200000c0 RCX: dffffc0000000000
RDX: ffffc900002fe000 RSI: 0000000000008472 RDI: 0000000000008473
RBP: ffff8881896bff10 R08: ffffffff81778513 R09: ffffed1032ed11f1
R10: ffffed1032ed11f1 R11: 0000000000000000 R12: ffff8881cd4c6600
R13: ffffffffaaaaaaaa R14: ffffffffaaaaaaca R15: ffffffffaaaaaaaa
FS:  00007fa276056700(0000) GS:ffff8881db800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffbfff5555559 CR3: 00000001cac92005 CR4: 00000000001606f0
DR0: 0000000020000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600