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, &(0x7f00000010e0)="541901005419010054190100", 0xc, 0x2554)
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')
[ 93.720378][ T4652] Bluetooth: hci0: command tx timeout
[ 93.841115][ T5330] loop0: detected capacity change from 0 to 128
[ 93.947328][ T5330] ufs: ufs_fill_super(): fs needs fsck
[ 93.957098][ T5330] ------------[ cut here ]------------
[ 93.968675][ T5330] UBSAN: shift-out-of-bounds in fs/ufs/super.c:1177:18
[ 93.979911][ T5330] shift exponent 4294967294 is too large for 32-bit type 'int'
[ 93.991058][ T5330] CPU: 0 UID: 0 PID: 5330 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 93.991076][ T5330] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 93.991084][ T5330] Call Trace:
[ 93.991090][ T5330]
[ 93.991095][ T5330] dump_stack_lvl+0xe8/0x150
[ 93.991163][ T5330] ubsan_epilogue+0xa/0x30
[ 93.991180][ T5330] __ubsan_handle_shift_out_of_bounds+0x36d/0x400
[ 93.991240][ T5330] ufs_fill_super+0x5f8d/0x67e0
[ 93.991276][ T5330] ? setup_bdev_super+0x4c1/0x5b0
[ 93.991295][ T5330] get_tree_bdev_flags+0x430/0x4f0
[ 93.991307][ T5330] ? __pfx_ufs_fill_super+0x10/0x10
[ 93.991315][ T5330] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 93.991332][ T5330] vfs_get_tree+0x92/0x2a0
[ 93.991349][ T5330] do_new_mount+0x319/0xdc0
[ 93.991366][ T5330] ? __pfx_do_new_mount+0x10/0x10
[ 93.991381][ T5330] ? ns_capable+0x89/0xe0
[ 93.991397][ T5330] ? path_mount+0x647/0x1040
[ 93.991412][ T5330] ? user_path_at+0xd4/0x160
[ 93.991428][ T5330] __se_sys_mount+0x31d/0x420
[ 93.991444][ T5330] ? __pfx___se_sys_mount+0x10/0x10
[ 93.991460][ T5330] ? __x64_sys_mount+0x20/0xc0
[ 93.991472][ T5330] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 93.991485][ T5330] do_syscall_64+0x174/0x580
[ 93.991533][ T5330] ? trace_irq_disable+0x3b/0x140
[ 93.991544][ T5330] ? clear_bhb_loop+0x40/0x90
[ 93.991554][ T5330] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 93.991562][ T5330] RIP: 0033:0x7f8d3e19e019
[ 93.991571][ T5330] 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
[ 93.991578][ T5330] RSP: 002b:00007f8d3efcefe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 93.991588][ T5330] RAX: ffffffffffffffda RBX: 00007f8d3e425fa0 RCX: 00007f8d3e19e019
[ 93.991593][ T5330] RDX: 0000200000004000 RSI: 0000200000003000 RDI: 0000200000000040
[ 93.991598][ T5330] RBP: 00007f8d3e23500c R08: 0000200000005000 R09: 0000000000000000
[ 93.991602][ T5330] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 93.991607][ T5330] R13: 00007f8d3e426038 R14: 00007f8d3e425fa0 R15: 00007fff37848c58
[ 93.991621][ T5330]
[ 93.991625][ T5330] ---[ end trace ]---
[ 94.108658][ T5330] Kernel panic - not syncing: UBSAN: panic_on_warn set ...
[ 94.111608][ T5330] CPU: 0 UID: 0 PID: 5330 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 94.115727][ T5330] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 94.121367][ T5330] Call Trace:
[ 94.122992][ T5330]
[ 94.124247][ T5330] vpanic+0x56c/0xa60
[ 94.125963][ T5330] ? __pfx_vpanic+0x10/0x10
[ 94.128090][ T5330] panic+0xc5/0xd0
[ 94.129780][ T5330] ? __pfx_panic+0x10/0x10
[ 94.131674][ T5330] ? __pfx__printk+0x10/0x10
[ 94.133610][ T5330] ? dump_stack_lvl+0x103/0x150
[ 94.135728][ T5330] check_panic_on_warn+0x89/0xb0
[ 94.137800][ T5330] __ubsan_handle_shift_out_of_bounds+0x36d/0x400
[ 94.140380][ T5330] ufs_fill_super+0x5f8d/0x67e0
[ 94.142468][ T5330] ? setup_bdev_super+0x4c1/0x5b0
[ 94.144494][ T5330] get_tree_bdev_flags+0x430/0x4f0
[ 94.146719][ T5330] ? __pfx_ufs_fill_super+0x10/0x10
[ 94.149057][ T5330] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 94.151500][ T5330] vfs_get_tree+0x92/0x2a0
[ 94.153436][ T5330] do_new_mount+0x319/0xdc0
[ 94.155338][ T5330] ? __pfx_do_new_mount+0x10/0x10
[ 94.157451][ T5330] ? ns_capable+0x89/0xe0
[ 94.159302][ T5330] ? path_mount+0x647/0x1040
[ 94.161236][ T5330] ? user_path_at+0xd4/0x160
[ 94.163263][ T5330] __se_sys_mount+0x31d/0x420
[ 94.165280][ T5330] ? __pfx___se_sys_mount+0x10/0x10
[ 94.167429][ T5330] ? __x64_sys_mount+0x20/0xc0
[ 94.169447][ T5330] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 94.172009][ T5330] do_syscall_64+0x174/0x580
[ 94.173949][ T5330] ? trace_irq_disable+0x3b/0x140
[ 94.176155][ T5330] ? clear_bhb_loop+0x40/0x90
[ 94.178233][ T5330] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 94.180749][ T5330] RIP: 0033:0x7f8d3e19e019
[ 94.182629][ T5330] 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
[ 94.191037][ T5330] RSP: 002b:00007f8d3efcefe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 94.195435][ T5330] RAX: ffffffffffffffda RBX: 00007f8d3e425fa0 RCX: 00007f8d3e19e019
[ 94.199517][ T5330] RDX: 0000200000004000 RSI: 0000200000003000 RDI: 0000200000000040
[ 94.202862][ T5330] RBP: 00007f8d3e23500c R08: 0000200000005000 R09: 0000000000000000
[ 94.206137][ T5330] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 94.209493][ T5330] R13: 00007f8d3e426038 R14: 00007f8d3e425fa0 R15: 00007fff37848c58
[ 94.212902][ T5330]
[ 94.214623][ T5330] Kernel Offset: disabled
[ 94.216580][ T5330] Rebooting in 86400 seconds..