A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check.
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check.
================================================================================
UBSAN: Undefined behaviour in fs/f2fs/super.c:2227:16
shift exponent 397119500 is too large for 32-bit type 'int'
CPU: 0 PID: 31869 Comm: syz-executor.2 Not tainted 4.19.150-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: 0033:0x4608aa
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:00007fbcf05d0a88 EFLAGS: 00000216 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fbcf05d0b20 RCX: 00000000004608aa
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fbcf05d0ae0
RBP: 00007fbcf05d0ae0 R08: 00007fbcf05d0b20 R09: 0000000020000000
R10: 0000000000000009 R11: 0000000000000216 R12: 0000000020000000
R13: 0000000020000100 R14: 0000000020000200 R15: 0000000020014b00
================================================================================
F2FS-fs (loop2): Invalid log blocks per segment (222241043)

F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
F2FS-fs (loop2): Unable to read 2th superblock
F2FS-fs (loop2): Invalid log blocks per segment (222241043)

F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
F2FS-fs (loop2): Unable to read 2th superblock
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check.
F2FS-fs (loop2): Invalid log blocks per segment (222241043)

F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
F2FS-fs (loop2): Unable to read 2th superblock
A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check.
F2FS-fs (loop2): Invalid log blocks per segment (222241043)

IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
squashfs: SQUASHFS error: Major/Minor mismatch, trying to mount newer 5.0 filesystem
A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check.
squashfs: SQUASHFS error: Please update your kernel
squashfs: SQUASHFS error: Major/Minor mismatch, trying to mount newer 5.0 filesystem
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
squashfs: SQUASHFS error: Please update your kernel
A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check.
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check.
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
audit: type=1800 audit(1602304140.061:133): pid=31925 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed comm="syz-executor.2" name="bus" dev="sda1" ino=16130 res=0
nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based  firewall rule not found. Use the iptables CT target to attach helpers instead.
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
net_ratelimit: 7 callbacks suppressed
A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check.
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check.
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check.
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check.
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check.
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check.
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check.
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check.
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check.
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check.
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
block nbd3: Receive control failed (result -107)
block nbd3: Receive control failed (result -107)
block nbd3: Receive control failed (result -107)
block nbd3: shutting down sockets
block nbd3: Could not allocate knbd recv work queue.
block nbd3: shutting down sockets
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready