erofs: options -> 00000000000000000003 ================================================================================ UBSAN: Undefined behaviour in drivers/staging/erofs/super.c:122:3 shift exponent 38 is too large for 32-bit type 'int' CPU: 0 PID: 24318 Comm: syz-executor.1 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 superblock_read drivers/staging/erofs/super.c:122 [inline] erofs_read_super drivers/staging/erofs/super.c:356 [inline] erofs_fill_super+0x397/0x12fc drivers/staging/erofs/super.c:499 mount_bdev+0x2fc/0x3b0 fs/super.c:1158 erofs_mount+0x8c/0xc0 drivers/staging/erofs/super.c:512 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:00007f9268b15a88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f9268b15b20 RCX: 00000000004608aa RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f9268b15ae0 RBP: 00007f9268b15ae0 R08: 00007f9268b15b20 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 0000000020000200 R15: 00000000200003c0 ================================================================================ hfsplus: unable to parse mount options erofs: blksize 64 isn't supported on this platform EXT4-fs (loop1): VFS: Can't find ext4 filesystem ufs: ufs was compiled with read-only support, can't be mounted as read-write rock: directory entry would overflow storage rock: sig=0xa124, size=4, remaining=3 isofs_fill_super: root inode is not a directory. Corrupted media? rock: directory entry would overflow storage rock: sig=0xa124, size=4, remaining=3 isofs_fill_super: root inode is not a directory. Corrupted media? audit: type=1800 audit(1602480584.422:76): pid=24475 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed comm="syz-executor.4" name="bus" dev="sda1" ino=16720 res=0 overlayfs: unrecognized mount option "lower Amya[rB[d" or missing value overlayfs: unrecognized mount option "lower Amya[rB[d" or missing value audit: type=1804 audit(1602480585.582:77): pid=24515 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir124944842/syzkaller.y8eBrr/27/bus" dev="sda1" ino=16658 res=1 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. IPv6: ADDRCONF(NETDEV_UP): vlan2: link is not ready netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. audit: type=1800 audit(1602480591.182:78): pid=24654 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.4" name="file0" dev="sda1" ino=16177 res=0 overlayfs: unrecognized mount option "wor{d/=./file0" or missing value ip6t_rpfilter: only valid in 'raw' or 'mangle' table, not 'raw'