================================================================================
UBSAN: Undefined behaviour in fs/f2fs/super.c:2227:16
shift exponent 3523215372 is too large for 32-bit type 'int'
CPU: 0 PID: 8616 Comm: syz-executor.3 Not tainted 4.19.148-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x22c/0x33e lib/dump_stack.c:118
 ubsan_epilogue+0xe/0x3a lib/ubsan.c:161
 __ubsan_handle_shift_out_of_bounds.cold+0x1c4/0x250 lib/ubsan.c:422
 sanity_check_raw_super fs/f2fs/super.c:2227 [inline]
 read_raw_super_block fs/f2fs/super.c:2631 [inline]
 f2fs_fill_super.cold+0x1f9/0x5fb fs/f2fs/super.c:2842
 mount_bdev+0x2fc/0x3b0 fs/super.c:1158
 mount_fs+0xa3/0x318 fs/super.c:1261
 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961
 vfs_kern_mount fs/namespace.c:951 [inline]
 do_new_mount fs/namespace.c:2469 [inline]
 do_mount+0x51c/0x2f10 fs/namespace.c:2799
 ksys_mount+0xcf/0x130 fs/namespace.c:3015
 __do_sys_mount fs/namespace.c:3029 [inline]
 __se_sys_mount fs/namespace.c:3026 [inline]
 __x64_sys_mount+0xba/0x150 fs/namespace.c:3026
 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4607ea
Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 ad 89 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 8a 89 fb ff c3 66 0f 1f 84 00 00 00 00 00
RSP: 002b:00007f51f4e72a88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f51f4e72b20 RCX: 00000000004607ea
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f51f4e72ae0
RBP: 00007f51f4e72ae0 R08: 00007f51f4e72b20 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000
R13: 0000000020000100 R14: 0000000020000200 R15: 0000000020012400
================================================================================
F2FS-fs (loop3): Invalid Fs Meta Ino: node(0) meta(0) root(0)
F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock
F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0)
F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock
F2FS-fs (loop3): Invalid Fs Meta Ino: node(0) meta(0) root(0)
F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock
F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0)
F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock
IPVS: ftp: loaded support on port[0] = 21
FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
usb usb8: check_ctrlrecip: process 8720 (syz-executor.4) requesting ep 01 but needs 81
usb usb8: usbfs: process 8720 (syz-executor.4) did not claim interface 0 before use
sctp: [Deprecated]: syz-executor.5 (pid 8742) Use of struct sctp_assoc_value in delayed_ack socket option.
Use struct sctp_sack_info instead
usb usb8: check_ctrlrecip: process 8745 (syz-executor.4) requesting ep 01 but needs 81
f2fs_msg: 51 callbacks suppressed
F2FS-fs (loop1): inconsistent node block, nid:3, node_footer[nid:0,ino:0,ofs:0,cpver:0,blkaddr:0]
usb usb8: usbfs: process 8745 (syz-executor.4) did not claim interface 0 before use
F2FS-fs (loop1): Failed to read root inode
F2FS-fs (loop1): Magic Mismatch, valid(0xf2f52010) - read(0x0)
F2FS-fs (loop1): Can't find valid F2FS filesystem in 2th superblock
F2FS-fs (loop1): invalid crc value
F2FS-fs (loop1): Failed to initialize F2FS segment manager
F2FS-fs (loop3): Invalid Fs Meta Ino: node(0) meta(0) root(0)
audit: type=1804 audit(1601530503.727:15): pid=8765 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir998697414/syzkaller.m1NSFg/29/bus" dev="sda1" ino=15838 res=1
audit: type=1804 audit(1601530503.797:16): pid=8771 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/root/syzkaller-testdir998697414/syzkaller.m1NSFg/29/bus" dev="sda1" ino=15838 res=1
F2FS-fs (loop1): Magic Mismatch, valid(0xf2f52010) - read(0x0)
F2FS-fs (loop1): Can't find valid F2FS filesystem in 2th superblock
F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock
audit: type=1804 audit(1601530504.527:17): pid=8771 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/root/syzkaller-testdir998697414/syzkaller.m1NSFg/29/bus" dev="sda1" ino=15838 res=1
audit: type=1804 audit(1601530504.567:18): pid=8771 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir998697414/syzkaller.m1NSFg/29/bus" dev="sda1" ino=15838 res=1
audit: type=1804 audit(1601530504.627:19): pid=8771 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/root/syzkaller-testdir998697414/syzkaller.m1NSFg/29/bus" dev="sda1" ino=15838 res=1
overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection.
netlink: 'syz-executor.5': attribute type 14 has an invalid length.
netlink: 'syz-executor.5': attribute type 14 has an invalid length.
overlayfs: workdir and upperdir must reside under the same mount
overlayfs: workdir and upperdir must reside under the same mount
f2fs_msg: 62 callbacks suppressed
F2FS-fs (loop3): Invalid Fs Meta Ino: node(0) meta(0) root(0)
F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock
F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0)
EXT4-fs (loop2): unsupported descriptor size 0
F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock
F2FS-fs (loop3): Invalid Fs Meta Ino: node(0) meta(0) root(0)
F2FS-fs (loop1): Magic Mismatch, valid(0xf2f52010) - read(0x0)
EXT4-fs (loop2): unsupported descriptor size 0
F2FS-fs (loop1): Can't find valid F2FS filesystem in 2th superblock
F2FS-fs (loop1): invalid crc value
F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock
F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0)
bridge0: port 1(bridge_slave_0) entered disabled state