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\x00\x00\x00\x00', 0x12, 0x2008)
pwrite64(r0, &(0x7f0000001020)="8000000080000000010000000010000000040000", 0x14, 0x2024)
pwrite64(r0, &(0x7f0000001060)="000800000000000000000000000400002000000002", 0x15, 0x2068)
pwrite64(r0, &(0x7f000000107c)="389d267c", 0x4, 0x2084)
pwrite64(r0, &(0x7f0000001090)="0d00000000040000000400000100000001000000010000000100000001000000800000", 0x23, 0x2098)
pwrite64(r0, &(0x7f00000010d0)="0101010101010101010101010101", 0xe, 0x20cc)
pwrite64(r0, &(0x7f00000010e0)="5419010054190100541901005419010054", 0x11, 0x2554)
pwrite64(r0, &(0x7f00000010f0)='U', 0x1, 0x2804)
pwrite64(r0, 0x0, 0x0, 0x2818)
pwrite64(r0, 0x0, 0x0, 0x2828)
pwrite64(r0, &(0x7f0000001130)="80000000a0000000c0000000e000000000", 0x11, 0x2854)
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', 0x2f, 0x2d28)
pwrite64(r0, &(0x7f0000001190)="020000000c0001002e00000002000000f40102002e2e00", 0x17, 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)
[ 93.869316][ T4649] Bluetooth: hci0: command tx timeout
[ 94.003301][ T5325] loop0: detected capacity change from 0 to 128
[ 94.090654][ T5325] ufs: ufs_fill_super(): fs needs fsck
[ 94.099440][ T5325] ------------[ cut here ]------------
[ 94.104765][ T5325] UBSAN: shift-out-of-bounds in fs/ufs/super.c:1177:18
[ 94.115588][ T5325] shift exponent 4294967294 is too large for 32-bit type 'int'
[ 94.123138][ T5325] CPU: 0 UID: 0 PID: 5325 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 94.123156][ T5325] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 94.123164][ T5325] Call Trace:
[ 94.123170][ T5325]
[ 94.123175][ T5325] dump_stack_lvl+0xe8/0x150
[ 94.123249][ T5325] ubsan_epilogue+0xa/0x30
[ 94.123263][ T5325] __ubsan_handle_shift_out_of_bounds+0x36d/0x400
[ 94.123320][ T5325] ufs_fill_super+0x5f8d/0x67e0
[ 94.123362][ T5325] ? setup_bdev_super+0x4c1/0x5b0
[ 94.123383][ T5325] get_tree_bdev_flags+0x430/0x4f0
[ 94.123398][ T5325] ? __pfx_ufs_fill_super+0x10/0x10
[ 94.123408][ T5325] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 94.123431][ T5325] vfs_get_tree+0x92/0x2a0
[ 94.123450][ T5325] do_new_mount+0x319/0xdc0
[ 94.123468][ T5325] ? __pfx_do_new_mount+0x10/0x10
[ 94.123479][ T5325] ? ns_capable+0x89/0xe0
[ 94.123489][ T5325] ? path_mount+0x647/0x1040
[ 94.123500][ T5325] ? user_path_at+0xd4/0x160
[ 94.123515][ T5325] __se_sys_mount+0x31d/0x420
[ 94.123531][ T5325] ? __pfx___se_sys_mount+0x10/0x10
[ 94.123548][ T5325] ? __x64_sys_mount+0x20/0xc0
[ 94.123561][ T5325] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 94.123572][ T5325] do_syscall_64+0x174/0x580
[ 94.123622][ T5325] ? trace_irq_disable+0x3b/0x140
[ 94.123639][ T5325] ? clear_bhb_loop+0x40/0x90
[ 94.123652][ T5325] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 94.123660][ T5325] RIP: 0033:0x7f213b19e019
[ 94.123669][ T5325] 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
[ 94.123675][ T5325] RSP: 002b:00007f213bfb1fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 94.123684][ T5325] RAX: ffffffffffffffda RBX: 00007f213b425fa0 RCX: 00007f213b19e019
[ 94.123689][ T5325] RDX: 0000200000004000 RSI: 0000200000003000 RDI: 0000200000000040
[ 94.123694][ T5325] RBP: 00007f213b23500c R08: 0000200000005000 R09: 0000000000000000
[ 94.123698][ T5325] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 94.123702][ T5325] R13: 00007f213b426038 R14: 00007f213b425fa0 R15: 00007fff89643678
[ 94.123714][ T5325]
[ 94.123798][ T5325] ---[ end trace ]---
[ 94.229293][ T5325] Kernel panic - not syncing: UBSAN: panic_on_warn set ...
[ 94.231730][ T5325] CPU: 0 UID: 0 PID: 5325 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 94.234658][ T5325] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 94.237962][ T5325] Call Trace:
[ 94.239290][ T5325]
[ 94.240516][ T5325] vpanic+0x56c/0xa60
[ 94.242257][ T5325] ? __pfx_vpanic+0x10/0x10
[ 94.244258][ T5325] ? irqentry_exit+0x218/0x8f0
[ 94.246299][ T5325] panic+0xc5/0xd0
[ 94.247998][ T5325] ? __pfx_panic+0x10/0x10
[ 94.249998][ T5325] ? __pfx__printk+0x10/0x10
[ 94.252103][ T5325] check_panic_on_warn+0x89/0xb0
[ 94.254257][ T5325] __ubsan_handle_shift_out_of_bounds+0x36d/0x400
[ 94.256746][ T5325] ufs_fill_super+0x5f8d/0x67e0
[ 94.258842][ T5325] ? setup_bdev_super+0x4c1/0x5b0
[ 94.261038][ T5325] get_tree_bdev_flags+0x430/0x4f0
[ 94.263179][ T5325] ? __pfx_ufs_fill_super+0x10/0x10
[ 94.265535][ T5325] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 94.268160][ T5325] vfs_get_tree+0x92/0x2a0
[ 94.269940][ T5325] do_new_mount+0x319/0xdc0
[ 94.271853][ T5325] ? __pfx_do_new_mount+0x10/0x10
[ 94.274052][ T5325] ? ns_capable+0x89/0xe0
[ 94.275921][ T5325] ? path_mount+0x647/0x1040
[ 94.277917][ T5325] ? user_path_at+0xd4/0x160
[ 94.279975][ T5325] __se_sys_mount+0x31d/0x420
[ 94.282044][ T5325] ? __pfx___se_sys_mount+0x10/0x10
[ 94.284290][ T5325] ? __x64_sys_mount+0x20/0xc0
[ 94.286370][ T5325] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 94.288903][ T5325] do_syscall_64+0x174/0x580
[ 94.290922][ T5325] ? trace_irq_disable+0x3b/0x140
[ 94.293113][ T5325] ? clear_bhb_loop+0x40/0x90
[ 94.295189][ T5325] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 94.297717][ T5325] RIP: 0033:0x7f213b19e019
[ 94.299720][ T5325] 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
[ 94.307828][ T5325] RSP: 002b:00007f213bfb1fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 94.311406][ T5325] RAX: ffffffffffffffda RBX: 00007f213b425fa0 RCX: 00007f213b19e019
[ 94.314884][ T5325] RDX: 0000200000004000 RSI: 0000200000003000 RDI: 0000200000000040
[ 94.318260][ T5325] RBP: 00007f213b23500c R08: 0000200000005000 R09: 0000000000000000
[ 94.321697][ T5325] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 94.325075][ T5325] R13: 00007f213b426038 R14: 00007f213b425fa0 R15: 00007fff89643678
[ 94.328843][ T5325]
[ 94.330692][ T5325] Kernel Offset: disabled
[ 94.332628][ T5325] Rebooting in 86400 seconds..