WARNING: stack going in the wrong direction? ip=do_nanosleep+0x201/0x640 selinux_nlmsg_perm: 85 callbacks suppressed SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=29714 comm=syz-executor.5 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=29714 comm=syz-executor.5 print_req_error: I/O error, dev loop3, sector 128 Buffer I/O error on dev loop3, logical block 16, lost async page write EXT4-fs (loop1): Unsupported filesystem blocksize 0 (1923657432 log_block_size) F2FS-fs (loop1): Magic Mismatch, valid(0xf2f52010) - read(0x0) F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock attempt to access beyond end of device loop1: rw=12288, want=8200, limit=20 attempt to access beyond end of device loop1: rw=12288, want=12296, limit=20 F2FS-fs (loop1): Failed to get valid F2FS checkpoint netlink: 20 bytes leftover after parsing attributes in process `syz-executor.2'. F2FS-fs (loop1): Magic Mismatch, valid(0xf2f52010) - read(0x0) F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock attempt to access beyond end of device loop1: rw=12288, want=8200, limit=20 attempt to access beyond end of device loop1: rw=12288, want=12296, limit=20 F2FS-fs (loop1): Failed to get valid F2FS checkpoint ip6_tunnel:  xmit: Local address not yet configured! EXT4-fs (sda1): re-mounted. Opts: audit: type=1400 audit(1571305422.687:357): avc: denied { map } for pid=30026 comm="syz-executor.5" path="/dev/zero" dev="sda1" ino=2638 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=chr_file permissive=1 binder: 30058:30061 ioctl 80404509 200000c0 returned -22 binder: 30058:30061 ioctl 80404509 200000c0 returned -22 EXT4-fs (loop5): Unrecognized mount option "ckmmit=0x000)0000000000000" or missing value Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable EXT4-fs (loop5): Unrecognized mount option "ckmmit=0x000)0000000000000" or missing value Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.