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, 0x0, 0x0, 0x28c0)
pwrite64(r0, &(0x7f0000001160)="ed410200", 0x4, 0x2d00)
pwrite64(r0, &(0x7f0000001170)="0002000000000000", 0x8, 0x2d08)
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)
[ 94.973724][ T4653] Bluetooth: hci0: command tx timeout
[ 95.035098][ T5333] loop0: detected capacity change from 0 to 128
[ 95.113753][ T5333] ufs: ufs_fill_super(): fs needs fsck
[ 95.116789][ T5333] ------------[ cut here ]------------
[ 95.119021][ T5333] UBSAN: shift-out-of-bounds in fs/ufs/super.c:1177:18
[ 95.124577][ T5333] shift exponent 4294967294 is too large for 32-bit type 'int'
[ 95.131490][ T5333] CPU: 0 UID: 0 PID: 5333 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 95.131508][ T5333] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 95.131515][ T5333] Call Trace:
[ 95.131520][ T5333]
[ 95.131525][ T5333] dump_stack_lvl+0xe8/0x150
[ 95.131599][ T5333] ubsan_epilogue+0xa/0x30
[ 95.131614][ T5333] __ubsan_handle_shift_out_of_bounds+0x36d/0x400
[ 95.131675][ T5333] ufs_fill_super+0x5f8d/0x67e0
[ 95.131710][ T5333] ? setup_bdev_super+0x4c1/0x5b0
[ 95.131732][ T5333] get_tree_bdev_flags+0x430/0x4f0
[ 95.131749][ T5333] ? __pfx_ufs_fill_super+0x10/0x10
[ 95.131760][ T5333] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 95.131783][ T5333] vfs_get_tree+0x92/0x2a0
[ 95.131802][ T5333] do_new_mount+0x319/0xdc0
[ 95.131818][ T5333] ? __pfx_do_new_mount+0x10/0x10
[ 95.131832][ T5333] ? ns_capable+0x89/0xe0
[ 95.131848][ T5333] ? path_mount+0x647/0x1040
[ 95.131882][ T5333] ? user_path_at+0xd4/0x160
[ 95.131896][ T5333] __se_sys_mount+0x31d/0x420
[ 95.131908][ T5333] ? __pfx___se_sys_mount+0x10/0x10
[ 95.131923][ T5333] ? __x64_sys_mount+0x20/0xc0
[ 95.131943][ T5333] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 95.131956][ T5333] do_syscall_64+0x174/0x580
[ 95.132007][ T5333] ? trace_irq_disable+0x3b/0x140
[ 95.132023][ T5333] ? clear_bhb_loop+0x40/0x90
[ 95.132038][ T5333] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 95.132049][ T5333] RIP: 0033:0x7fbcd0d9e019
[ 95.132060][ T5333] 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
[ 95.132070][ T5333] RSP: 002b:00007fbcd1cccfe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 95.132083][ T5333] RAX: ffffffffffffffda RBX: 00007fbcd1025fa0 RCX: 00007fbcd0d9e019
[ 95.132089][ T5333] RDX: 0000200000004000 RSI: 0000200000003000 RDI: 0000200000000040
[ 95.132095][ T5333] RBP: 00007fbcd0e3500c R08: 0000200000005000 R09: 0000000000000000
[ 95.132100][ T5333] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 95.132105][ T5333] R13: 00007fbcd1026038 R14: 00007fbcd1025fa0 R15: 00007fffe977eaf8
[ 95.132123][ T5333]
[ 95.239788][ T5333] ---[ end trace ]---
[ 95.241750][ T5333] Kernel panic - not syncing: UBSAN: panic_on_warn set ...
[ 95.245037][ T5333] CPU: 0 UID: 0 PID: 5333 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 95.248831][ T5333] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 95.253234][ T5333] Call Trace:
[ 95.254656][ T5333]
[ 95.255995][ T5333] vpanic+0x56c/0xa60
[ 95.257713][ T5333] ? __pfx_vpanic+0x10/0x10
[ 95.259571][ T5333] ? irqentry_exit+0x218/0x8f0
[ 95.261538][ T5333] panic+0xc5/0xd0
[ 95.263094][ T5333] ? __pfx_panic+0x10/0x10
[ 95.265014][ T5333] ? __pfx__printk+0x10/0x10
[ 95.267056][ T5333] check_panic_on_warn+0x89/0xb0
[ 95.269164][ T5333] __ubsan_handle_shift_out_of_bounds+0x36d/0x400
[ 95.271928][ T5333] ufs_fill_super+0x5f8d/0x67e0
[ 95.274161][ T5333] ? setup_bdev_super+0x4c1/0x5b0
[ 95.276487][ T5333] get_tree_bdev_flags+0x430/0x4f0
[ 95.278762][ T5333] ? __pfx_ufs_fill_super+0x10/0x10
[ 95.280889][ T5333] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 95.283165][ T5333] vfs_get_tree+0x92/0x2a0
[ 95.285045][ T5333] do_new_mount+0x319/0xdc0
[ 95.286945][ T5333] ? __pfx_do_new_mount+0x10/0x10
[ 95.289025][ T5333] ? ns_capable+0x89/0xe0
[ 95.290804][ T5333] ? path_mount+0x647/0x1040
[ 95.292727][ T5333] ? user_path_at+0xd4/0x160
[ 95.294702][ T5333] __se_sys_mount+0x31d/0x420
[ 95.296799][ T5333] ? __pfx___se_sys_mount+0x10/0x10
[ 95.299044][ T5333] ? __x64_sys_mount+0x20/0xc0
[ 95.301206][ T5333] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 95.303846][ T5333] do_syscall_64+0x174/0x580
[ 95.305929][ T5333] ? trace_irq_disable+0x3b/0x140
[ 95.308099][ T5333] ? clear_bhb_loop+0x40/0x90
[ 95.310199][ T5333] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 95.312784][ T5333] RIP: 0033:0x7fbcd0d9e019
[ 95.314732][ T5333] 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
[ 95.323138][ T5333] RSP: 002b:00007fbcd1cccfe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 95.326740][ T5333] RAX: ffffffffffffffda RBX: 00007fbcd1025fa0 RCX: 00007fbcd0d9e019
[ 95.330189][ T5333] RDX: 0000200000004000 RSI: 0000200000003000 RDI: 0000200000000040
[ 95.333609][ T5333] RBP: 00007fbcd0e3500c R08: 0000200000005000 R09: 0000000000000000
[ 95.337135][ T5333] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 95.340756][ T5333] R13: 00007fbcd1026038 R14: 00007fbcd1025fa0 R15: 00007fffe977eaf8
[ 95.344145][ T5333]
[ 95.345934][ T5333] Kernel Offset: disabled
[ 95.347883][ T5333] Rebooting in 86400 seconds..