program:
r0 = memfd_create(&(0x7f0000000000)='syzkaller\x00', 0x0)
ftruncate(r0, 0x10000)
pwrite64(r0, &(0x7f0000001000)='\b\x00\x00\x00\n\x00\x00\x00\v\x00\x00\x00\f\x00'/24, 0x18, 0x2008)
pwrite64(r0, &(0x7f0000001020)="80000000800000000100000000100000000400000400000005000000", 0x1c, 0x2024)
pwrite64(r0, &(0x7f0000001060)="00080000000000000000000000040000200000000200000000000000", 0x1c, 0x2068)
pwrite64(r0, &(0x7f0000001090)="0d000000000400000004000001000000010000000100000001000000010000008000000080000000", 0x28, 0x2098)
pwrite64(r0, &(0x7f00000010e0)="5419010054190100541901005419010054190100", 0x14, 0x2554)
pwrite64(r0, &(0x7f0000001160)="ed410200", 0x4, 0x2d00)
pwrite64(r0, &(0x7f0000001170)="0002000000000000", 0x8, 0x2d08)
pwrite64(r0, &(0x7f0000001180)='\f\x00\x00\x00\f\x00\x00\x00\f\x00\x00\x00\f\x00\x00\x00\f\x00\x00\x00\f\x00\x00\x00\f\x00\x00\x00\f\x00\x00\x00\f\x00\x00\x00\f\x00\x00\x00\f\x00\x00\x00\f\x00\x00\x00', 0x30, 0x2d28)
pwrite64(r0, &(0x7f0000001190)="020000000c0001002e00000002000000f40102002e2e0000", 0x18, 0x3000)
r1 = syz_open_dev$loop(&(0x7f0000002000), 0x0, 0x2)
ioctl$LOOP_SET_FD(r1, 0x4c00, r0)
close(r1)
mkdirat(0xffffffffffffff9c, &(0x7f0000003000)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000040)=@loop={'/dev/loop', 0x0}, &(0x7f0000003000)='./mnt\x00', &(0x7f0000004000)='ufs\x00', 0x0, &(0x7f0000005000)='ufstype=sun\x00')
openat(0xffffffffffffff9c, &(0x7f0000006000)='./mnt/file\x00', 0x42, 0x1ff)
[ 124.882108][ T5292] Bluetooth: hci0: command tx timeout
[ 125.020001][ T5331] loop0: detected capacity change from 0 to 128
[ 125.080125][ T5331] ufs: ufs_fill_super(): fs needs fsck
[ 125.094033][ T5331] ------------[ cut here ]------------
[ 125.103072][ T5331] UBSAN: shift-out-of-bounds in fs/ufs/super.c:1177:18
[ 125.110800][ T5331] shift exponent 4294967294 is too large for 32-bit type 'int'
[ 125.124776][ T5331] CPU: 0 UID: 0 PID: 5331 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 125.124795][ T5331] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 125.124803][ T5331] Call Trace:
[ 125.124808][ T5331]
[ 125.124814][ T5331] dump_stack_lvl+0xe8/0x150
[ 125.124892][ T5331] ubsan_epilogue+0xa/0x30
[ 125.124906][ T5331] __ubsan_handle_shift_out_of_bounds+0x36d/0x400
[ 125.124972][ T5331] ufs_fill_super+0x5f8d/0x67e0
[ 125.125008][ T5331] ? setup_bdev_super+0x4c1/0x5b0
[ 125.125027][ T5331] get_tree_bdev_flags+0x430/0x4f0
[ 125.125046][ T5331] ? __pfx_ufs_fill_super+0x10/0x10
[ 125.125060][ T5331] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 125.125082][ T5331] vfs_get_tree+0x92/0x2a0
[ 125.125100][ T5331] do_new_mount+0x319/0xdc0
[ 125.125118][ T5331] ? __pfx_do_new_mount+0x10/0x10
[ 125.125132][ T5331] ? ns_capable+0x89/0xe0
[ 125.125148][ T5331] ? path_mount+0x647/0x1040
[ 125.125163][ T5331] ? user_path_at+0xd4/0x160
[ 125.125180][ T5331] __se_sys_mount+0x31d/0x420
[ 125.125197][ T5331] ? __pfx___se_sys_mount+0x10/0x10
[ 125.125215][ T5331] ? __x64_sys_mount+0x20/0xc0
[ 125.125228][ T5331] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 125.125241][ T5331] do_syscall_64+0x174/0x580
[ 125.125293][ T5331] ? trace_irq_disable+0x3b/0x140
[ 125.125310][ T5331] ? clear_bhb_loop+0x40/0x90
[ 125.125325][ T5331] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 125.125337][ T5331] RIP: 0033:0x7f4615d9e019
[ 125.125348][ T5331] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 125.125357][ T5331] RSP: 002b:00007f4616bd3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 125.125370][ T5331] RAX: ffffffffffffffda RBX: 00007f4616025fa0 RCX: 00007f4615d9e019
[ 125.125379][ T5331] RDX: 0000200000004000 RSI: 0000200000003000 RDI: 0000200000000040
[ 125.125386][ T5331] RBP: 00007f4615e3500c R08: 0000200000005000 R09: 0000000000000000
[ 125.125394][ T5331] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 125.125400][ T5331] R13: 00007f4616026038 R14: 00007f4616025fa0 R15: 00007ffcf757fd38
[ 125.125437][ T5331]
[ 125.125978][ T5331] ---[ end trace ]---
[ 125.235167][ T5331] Kernel panic - not syncing: UBSAN: panic_on_warn set ...
[ 125.238240][ T5331] CPU: 0 UID: 0 PID: 5331 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 125.241974][ T5331] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 125.246223][ T5331] Call Trace:
[ 125.247637][ T5331]
[ 125.248887][ T5331] vpanic+0x56c/0xa60
[ 125.250556][ T5331] ? __pfx_vpanic+0x10/0x10
[ 125.255127][ T5331] ? irqentry_exit+0x218/0x8f0
[ 125.257127][ T5331] panic+0xc5/0xd0
[ 125.258699][ T5331] ? __pfx_panic+0x10/0x10
[ 125.260558][ T5331] ? __pfx__printk+0x10/0x10
[ 125.262503][ T5331] check_panic_on_warn+0x89/0xb0
[ 125.264591][ T5331] __ubsan_handle_shift_out_of_bounds+0x36d/0x400
[ 125.267227][ T5331] ufs_fill_super+0x5f8d/0x67e0
[ 125.269332][ T5331] ? setup_bdev_super+0x4c1/0x5b0
[ 125.271399][ T5331] get_tree_bdev_flags+0x430/0x4f0
[ 125.273493][ T5331] ? __pfx_ufs_fill_super+0x10/0x10
[ 125.275605][ T5331] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 125.277937][ T5331] vfs_get_tree+0x92/0x2a0
[ 125.279825][ T5331] do_new_mount+0x319/0xdc0
[ 125.281750][ T5331] ? __pfx_do_new_mount+0x10/0x10
[ 125.283863][ T5331] ? ns_capable+0x89/0xe0
[ 125.285647][ T5331] ? path_mount+0x647/0x1040
[ 125.287542][ T5331] ? user_path_at+0xd4/0x160
[ 125.289516][ T5331] __se_sys_mount+0x31d/0x420
[ 125.291447][ T5331] ? __pfx___se_sys_mount+0x10/0x10
[ 125.293601][ T5331] ? __x64_sys_mount+0x20/0xc0
[ 125.295565][ T5331] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 125.298079][ T5331] do_syscall_64+0x174/0x580
[ 125.300046][ T5331] ? trace_irq_disable+0x3b/0x140
[ 125.302130][ T5331] ? clear_bhb_loop+0x40/0x90
[ 125.304077][ T5331] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 125.306584][ T5331] RIP: 0033:0x7f4615d9e019
[ 125.308502][ T5331] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 125.316298][ T5331] RSP: 002b:00007f4616bd3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 125.319688][ T5331] RAX: ffffffffffffffda RBX: 00007f4616025fa0 RCX: 00007f4615d9e019
[ 125.322900][ T5331] RDX: 0000200000004000 RSI: 0000200000003000 RDI: 0000200000000040
[ 125.326174][ T5331] RBP: 00007f4615e3500c R08: 0000200000005000 R09: 0000000000000000
[ 125.329508][ T5331] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 125.332370][ T5331] R13: 00007f4616026038 R14: 00007f4616025fa0 R15: 00007ffcf757fd38
[ 125.335520][ T5331]
[ 125.337252][ T5331] Kernel Offset: disabled
[ 125.339052][ T5331] Rebooting in 86400 seconds..