ADFS-fs: unrecognised mount option "?+R/[7pD깫H*_~5*z.{ckZpwxm^1} " or missing value ================================================================================ UBSAN: Undefined behaviour in fs/f2fs/super.c:2227:16 shift exponent 3523215372 is too large for 32-bit type 'int' CPU: 1 PID: 8051 Comm: syz-executor.1 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:00007f6f37d55a88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f6f37d55b20 RCX: 00000000004607ea RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f6f37d55ae0 RBP: 00007f6f37d55ae0 R08: 00007f6f37d55b20 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 0000000020000200 R15: 0000000020012400 ================================================================================ F2FS-fs (loop1): Invalid Fs Meta Ino: node(0) meta(0) root(0) F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock 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 Fs Meta Ino: node(0) meta(0) root(0) F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock F2FS-fs (loop1): Magic Mismatch, valid(0xf2f52010) - read(0x0) F2FS-fs (loop1): Can't find valid F2FS filesystem in 2th superblock Cannot find set identified by id 0 to match ADFS-fs: unrecognised mount option "?+R/[7pD깫H*_~5*z.{ckZpwxm^1} " or missing value dccp_invalid_packet: pskb_may_pull failed dccp_invalid_packet: pskb_may_pull failed F2FS-fs (loop1): Invalid Fs Meta Ino: node(0) meta(0) root(0) F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock BTRFS: device fsid b6c6de41-0f3d-4d56-a285-1537704be259 devid 1 transid 7 /dev/loop4 BTRFS error (device loop4): unsupported checksum algorithm 1 BTRFS error (device loop4): superblock checksum mismatch BTRFS error (device loop4): open_ctree failed BTRFS error (device loop4): unsupported checksum algorithm 1 BTRFS error (device loop4): superblock checksum mismatch BTRFS error (device loop4): open_ctree failed FAT-fs (loop0): Directory bread(block 6) failed FAT-fs (loop0): Directory bread(block 6) failed XFS (loop2): bad version XFS (loop2): SB validate failed with error -22. FAT-fs (loop0): Directory bread(block 6) failed xt_TCPMSS: Only works on TCP SYN packets syz-executor.3 (8201) used greatest stack depth: 21888 bytes left hrtimer: interrupt took 42583 ns overlayfs: conflicting lowerdir path overlayfs: workdir and upperdir must reside under the same mount netlink: 40 bytes leftover after parsing attributes in process `syz-executor.3'. audit: type=1804 audit(1601463773.086:9): pid=8355 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-testdir661438175/syzkaller.Lt9nVY/9/file0/file0" dev="sda1" ino=15840 res=1