================================================================================
UBSAN: Undefined behaviour in fs/jfs/jfs_mount.c:385:25
shift exponent -21516 is negative
CPU: 1 PID: 9375 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
 chkSuper.cold+0x1e/0x98 fs/jfs/jfs_mount.c:385
 jfs_mount+0x47/0x3d0 fs/jfs/jfs_mount.c:94
 jfs_fill_super+0x55c/0xb50 fs/jfs/super.c:589
 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: 0033:0x4608aa
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:00007f2db42e0a88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f2db42e0b20 RCX: 00000000004608aa
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f2db42e0ae0
RBP: 00007f2db42e0ae0 R08: 00007f2db42e0b20 R09: 0000000020000000
R10: 0000000000000003 R11: 0000000000000202 R12: 0000000020000000
R13: 0000000020000100 R14: 0000000020000200 R15: 0000000020064f00
================================================================================
================================================================================
UBSAN: Undefined behaviour in fs/jfs/jfs_imap.c:458:7
shift exponent 21528 is too large for 32-bit type 'unsigned int'
CPU: 1 PID: 9375 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
 diReadSpecial.cold+0x1b/0x3e fs/jfs/jfs_imap.c:458
 jfs_mount+0x83/0x3d0 fs/jfs/jfs_mount.c:98
 jfs_fill_super+0x55c/0xb50 fs/jfs/super.c:589
 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: 0033:0x4608aa
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:00007f2db42e0a88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f2db42e0b20 RCX: 00000000004608aa
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f2db42e0ae0
RBP: 00007f2db42e0ae0 R08: 00007f2db42e0b20 R09: 0000000020000000
R10: 0000000000000003 R11: 0000000000000202 R12: 0000000020000000
R13: 0000000020000100 R14: 0000000020000200 R15: 0000000020064f00
================================================================================
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 512 failed
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 1024 failed
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 2048 failed
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 4096 failed
UDF-fs: warning (device loop4): udf_fill_super: No partition found (1)
Cannot find add_set index 0 as target
Cannot find add_set index 0 as target
VFS: could not find a valid V7 on loop0.
Cannot find add_set index 0 as target
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 512 failed
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
VFS: could not find a valid V7 on loop0.
UDF-fs: Scanning with blocksize 1024 failed
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 2048 failed
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 4096 failed
UDF-fs: warning (device loop4): udf_fill_super: No partition found (1)
VFS: could not find a valid V7 on loop0.
VFS: could not find a valid V7 on loop0.
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 512 failed
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 1024 failed
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 2048 failed
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 4096 failed
UDF-fs: warning (device loop4): udf_fill_super: No partition found (1)
overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection.
VFS: could not find a valid V7 on loop0.
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 512 failed
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 1024 failed
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 2048 failed
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 4096 failed
UDF-fs: warning (device loop4): udf_fill_super: No partition found (1)
VFS: could not find a valid V7 on loop0.
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 512 failed
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 1024 failed
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 2048 failed
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 4096 failed
UDF-fs: warning (device loop4): udf_fill_super: No partition found (1)
VFS: could not find a valid V7 on loop0.
netlink: 'syz-executor.2': attribute type 2 has an invalid length.
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 512 failed
VFS: could not find a valid V7 on loop0.
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 1024 failed
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 2048 failed
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
EXT4-fs (loop5): Can't read superblock on 2nd try
netlink: 'syz-executor.2': attribute type 2 has an invalid length.
UDF-fs: Scanning with blocksize 4096 failed
VFS: could not find a valid V7 on loop0.
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'.
UDF-fs: warning (device loop4): udf_fill_super: No partition found (1)
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'.
EXT4-fs (loop5): Can't read superblock on 2nd try
IPVS: ftp: loaded support on port[0] = 21
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
VFS: could not find a valid V7 on loop0.
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 512 failed
VFS: could not find a valid V7 on loop0.
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
IPVS: ftp: loaded support on port[0] = 21
EXT4-fs (loop5): Couldn't mount because of unsupported optional features (7de80821)
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
VFS: could not find a valid V7 on loop0.
EXT4-fs (loop5): Couldn't mount because of unsupported optional features (7de80821)
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 1024 failed
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 2048 failed
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
UDF-fs: error (device loop4): udf_read_tagged: read failed, block=512, location=512
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 4096 failed
UDF-fs: warning (device loop4): udf_fill_super: No partition found (1)
VFS: could not find a valid V7 on loop0.
IPVS: ftp: loaded support on port[0] = 21
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
VFS: could not find a valid V7 on loop0.
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 512 failed
VFS: could not find a valid V7 on loop0.
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
VFS: could not find a valid V7 on loop0.
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 1024 failed
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 2048 failed
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
UDF-fs: error (device loop4): udf_read_tagged: read failed, block=512, location=512
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
VFS: could not find a valid V7 on loop0.
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 4096 failed
UDF-fs: warning (device loop4): udf_fill_super: No partition found (1)
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'.
VFS: could not find a valid V7 on loop0.
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
SQUASHFS error: zlib decompression failed, data probably corrupt
SQUASHFS error: squashfs_read_data failed to read block 0x9e
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
SQUASHFS error: Unable to read metadata cache entry [9e]
SQUASHFS error: Unable to read inode 0x50026
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 512 failed
VFS: could not find a valid V7 on loop0.
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
SQUASHFS error: zlib decompression failed, data probably corrupt
SQUASHFS error: squashfs_read_data failed to read block 0x9e
SQUASHFS error: Unable to read metadata cache entry [9e]
SQUASHFS error: Unable to read inode 0x50026
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'.
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 1024 failed
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
SQUASHFS error: zlib decompression failed, data probably corrupt
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
SQUASHFS error: squashfs_read_data failed to read block 0x9e
SQUASHFS error: Unable to read metadata cache entry [9e]
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
SQUASHFS error: Unable to read inode 0x50026
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 2048 failed
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
UDF-fs: error (device loop4): udf_read_tagged: read failed, block=512, location=512
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 4096 failed
UDF-fs: warning (device loop4): udf_fill_super: No partition found (1)
VFS: could not find a valid V7 on loop0.
SQUASHFS error: zlib decompression failed, data probably corrupt
SQUASHFS error: squashfs_read_data failed to read block 0x9e
SQUASHFS error: Unable to read metadata cache entry [9e]
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
SQUASHFS error: Unable to read inode 0x50026
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
VFS: could not find a valid V7 on loop0.
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 512 failed
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 1024 failed
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 2048 failed
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
UDF-fs: error (device loop4): udf_read_tagged: read failed, block=512, location=512
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 4096 failed
UDF-fs: warning (device loop4): udf_fill_super: No partition found (1)
SQUASHFS error: zlib decompression failed, data probably corrupt
VFS: could not find a valid V7 on loop0.
SQUASHFS error: squashfs_read_data failed to read block 0x9e
SQUASHFS error: Unable to read metadata cache entry [9e]
SQUASHFS error: Unable to read inode 0x50026
UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0