================================================================================
UBSAN: Undefined behaviour in fs/ext4/super.c:3763:25
shift exponent 67108864 is too large for 32-bit type 'int'
CPU: 0 PID: 9111 Comm: syz-executor.3 Not tainted 4.19.152-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
 ext4_fill_super.cold+0x33b/0x4ea fs/ext4/super.c:3763
 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
binder: 9119:9120 ioctl c0306201 0 returned -14
 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:00007fba60ea8a88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fba60ea8b20 RCX: 00000000004608aa
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fba60ea8ae0
RBP: 00007fba60ea8ae0 R08: 00007fba60ea8b20 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000
R13: 0000000020000100 R14: 0000000020000300 R15: 0000000020013800
================================================================================
EXT4-fs (loop3): Invalid log block size: 67108864
EXT4-fs (loop3): Invalid log block size: 67108864
EXT4-fs (loop2): Invalid log cluster size: 4294934278
EXT4-fs (loop2): Invalid log cluster size: 4294934278
xt_SECMARK: mode already set to 1 cannot mix with rules for mode 0
xt_SECMARK: mode already set to 1 cannot mix with rules for mode 0
EXT4-fs: Warning: mounting with data=journal disables delayed allocation and O_DIRECT support!
EXT4-fs (loop1): warning: checktime reached, running e2fsck is recommended
EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
FAT-fs (loop3): bogus number of reserved sectors
FAT-fs (loop3): Can't find a valid FAT filesystem
FAT-fs (loop3): bogus number of reserved sectors
FAT-fs (loop3): Can't find a valid FAT filesystem
binder: 9262:9271 ioctl c018620b 0 returned -14
ptrace attach of "/root/syz-executor.5"[9288] was attempted by "/root/syz-executor.5"[9290]
EXT4-fs (loop2): Unsupported filesystem blocksize 262144 (8 log_block_size)
FAT-fs (loop4): Unrecognized mount option "smackfshat=//#}" or missing value
binder: 9303:9308 ioctl c018620c 20000740 returned -22
ptrace attach of "/root/syz-executor.0"[9306] was attempted by "/root/syz-executor.0"[9310]
binder: 9312:9314 ioctl c018620c 20000740 returned -22
EXT4-fs (loop2): Unsupported filesystem blocksize 262144 (8 log_block_size)
FAT-fs (loop4): Unrecognized mount option "smackfshat=//#}" or missing value
ptrace attach of "/root/syz-executor.1"[9406] was attempted by "/root/syz-executor.1"[9408]