================================================================================
UBSAN: Undefined behaviour in fs/jfs/jfs_mount.c:385:25
shift exponent 13324 is too large for 32-bit type 'int'
CPU: 1 PID: 8149 Comm: syz-executor.1 Not tainted 4.19.147-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
ISOFS: Bad logical zone size 56452
 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: 0033:0x460bca
Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 87 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 ba 87 fb ff c3 66 0f 1f 84 00 00 00 00 00
RSP: 002b:00007f3959f5aa88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f3959f5ab20 RCX: 0000000000460bca
RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 00007f3959f5aae0
RBP: 00007f3959f5aae0 R08: 00007f3959f5ab20 R09: 00000000200000c0
R10: 0000000000000000 R11: 0000000000000202 R12: 00000000200000c0
R13: 0000000020000100 R14: 0000000020000200 R15: 000000002006d200
================================================================================
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 6) failed
ISOFS: Bad logical zone size 56452
audit: type=1800 audit(1600938123.022:10): pid=8120 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed comm="syz-executor.2" name="file0" dev="sda1" ino=15769 res=0
audit: type=1800 audit(1600938123.022:11): pid=8123 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed comm="syz-executor.2" name="file0" dev="sda1" ino=15769 res=0
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 6) failed
audit: type=1800 audit(1600938123.032:12): pid=8126 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.2" name="file0" dev="sda1" ino=15769 res=0
FAT-fs (loop0): Directory bread(block 6) failed
================================================================================
UBSAN: Undefined behaviour in fs/jfs/jfs_imap.c:458:7
shift exponent -13312 is negative
CPU: 1 PID: 8149 Comm: syz-executor.1 Not tainted 4.19.147-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: 0033:0x460bca
Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 87 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 ba 87 fb ff c3 66 0f 1f 84 00 00 00 00 00
RSP: 002b:00007f3959f5aa88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f3959f5ab20 RCX: 0000000000460bca
RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 00007f3959f5aae0
RBP: 00007f3959f5aae0 R08: 00007f3959f5ab20 R09: 00000000200000c0
R10: 0000000000000000 R11: 0000000000000202 R12: 00000000200000c0
R13: 0000000020000100 R14: 0000000020000200 R15: 000000002006d200
================================================================================
================================================================================
UBSAN: Undefined behaviour in fs/jfs/jfs_imap.c:126:7
shift exponent -13312 is negative
CPU: 1 PID: 8149 Comm: syz-executor.1 Not tainted 4.19.147-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
 diMount.cold+0x17/0x1c fs/jfs/jfs_imap.c:126
 jfs_mount+0xbf/0x3d0 fs/jfs/jfs_mount.c:111
 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: 0033:0x460bca
Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 87 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 ba 87 fb ff c3 66 0f 1f 84 00 00 00 00 00
RSP: 002b:00007f3959f5aa88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f3959f5ab20 RCX: 0000000000460bca
RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 00007f3959f5aae0
RBP: 00007f3959f5aae0 R08: 00007f3959f5ab20 R09: 00000000200000c0
R10: 0000000000000000 R11: 0000000000000202 R12: 00000000200000c0
R13: 0000000020000100 R14: 0000000020000200 R15: 000000002006d200
================================================================================
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): bogus number of reserved sectors
FAT-fs (loop0): Can't find a valid FAT filesystem
nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based  firewall rule not found. Use the iptables CT target to attach helpers instead.
FAT-fs (loop0): bogus number of reserved sectors
FAT-fs (loop0): Can't find a valid FAT filesystem
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
netlink: 68 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
FAT-fs (loop0): bogus number of reserved sectors
FAT-fs (loop0): Can't find a valid FAT filesystem
netlink: 68 bytes leftover after parsing attributes in process `syz-executor.1'.
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 6) failed
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 6) failed
FAT-fs (loop0): Directory bread(block 6) failed