device syzkaller1 entered promiscuous mode WARNING: can't dereference registers at 0000000000000492 for ip retint_user+0x8/0x18 device syzkaller1 entered promiscuous mode device syzkaller1 entered promiscuous mode device syzkaller1 entered promiscuous mode syz-executor.5 (9638) used greatest stack depth: 25184 bytes left syz-executor.1 (9674) used greatest stack depth: 25152 bytes left L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. syz-executor.3 (9720) used greatest stack depth: 25048 bytes left F2FS-fs (loop0): Unable to read 2th superblock attempt to access beyond end of device loop0: rw=12288, want=4104, limit=12 F2FS-fs (loop0): invalid crc value attempt to access beyond end of device loop0: rw=12288, want=8200, limit=12 F2FS-fs (loop0): invalid crc value F2FS-fs (loop0): Failed to get valid F2FS checkpoint F2FS-fs (loop0): Magic Mismatch, valid(0xf2f52010) - read(0x0) F2FS-fs (loop0): Can't find valid F2FS filesystem in 2th superblock attempt to access beyond end of device loop0: rw=12288, want=4104, limit=12 F2FS-fs (loop0): invalid crc value attempt to access beyond end of device loop0: rw=12288, want=8200, limit=12 F2FS-fs (loop0): invalid crc value F2FS-fs (loop0): Failed to get valid F2FS checkpoint F2FS-fs (loop0): Unable to read 2th superblock attempt to access beyond end of device loop0: rw=12288, want=4104, limit=12 attempt to access beyond end of device loop0: rw=12288, want=8200, limit=12 attempt to access beyond end of device loop0: rw=12288, want=4104, limit=12 attempt to access beyond end of device loop0: rw=12288, want=8200, limit=12 IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready syz-executor.2 (9948) used greatest stack depth: 24104 bytes left