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, &(0x7f0000001090)="0d00000000040000000400000100000001000000010000000100000001000000800000", 0x23, 0x2098)
pwrite64(r0, &(0x7f00000010e0)="5419010054190100541901005419010054", 0x11, 0x2554)
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)
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)
[ 94.469588][ T5326] loop0: detected capacity change from 0 to 128
[ 94.485203][ T5289] Bluetooth: hci0: command tx timeout
[ 94.555557][ T5326] ufs: ufs_fill_super(): fs needs fsck
[ 94.559228][ T5326] ------------[ cut here ]------------
[ 94.561757][ T5326] UBSAN: shift-out-of-bounds in fs/ufs/super.c:1177:18
[ 94.566932][ T5326] shift exponent 4294967294 is too large for 32-bit type 'int'
[ 94.570865][ T5326] CPU: 0 UID: 0 PID: 5326 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 94.570884][ T5326] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 94.570892][ T5326] Call Trace:
[ 94.570897][ T5326]
[ 94.570903][ T5326] dump_stack_lvl+0xe8/0x150
[ 94.570988][ T5326] ubsan_epilogue+0xa/0x30
[ 94.570998][ T5326] __ubsan_handle_shift_out_of_bounds+0x36d/0x400
[ 94.571058][ T5326] ufs_fill_super+0x5f8d/0x67e0
[ 94.571102][ T5326] ? setup_bdev_super+0x4c1/0x5b0
[ 94.571118][ T5326] get_tree_bdev_flags+0x430/0x4f0
[ 94.571131][ T5326] ? __pfx_ufs_fill_super+0x10/0x10
[ 94.571140][ T5326] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 94.571172][ T5326] vfs_get_tree+0x92/0x2a0
[ 94.571186][ T5326] do_new_mount+0x319/0xdc0
[ 94.571198][ T5326] ? __pfx_do_new_mount+0x10/0x10
[ 94.571207][ T5326] ? ns_capable+0x89/0xe0
[ 94.571217][ T5326] ? path_mount+0x647/0x1040
[ 94.571227][ T5326] ? user_path_at+0xd4/0x160
[ 94.571238][ T5326] __se_sys_mount+0x31d/0x420
[ 94.571249][ T5326] ? __pfx___se_sys_mount+0x10/0x10
[ 94.571260][ T5326] ? __x64_sys_mount+0x20/0xc0
[ 94.571269][ T5326] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 94.571282][ T5326] do_syscall_64+0x174/0x580
[ 94.571332][ T5326] ? trace_irq_disable+0x3b/0x140
[ 94.571349][ T5326] ? clear_bhb_loop+0x40/0x90
[ 94.571363][ T5326] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 94.571375][ T5326] RIP: 0033:0x7fe890d9e019
[ 94.571387][ T5326] 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
[ 94.571396][ T5326] RSP: 002b:00007fe891bc8fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 94.571409][ T5326] RAX: ffffffffffffffda RBX: 00007fe891025fa0 RCX: 00007fe890d9e019
[ 94.571417][ T5326] RDX: 0000200000004000 RSI: 0000200000003000 RDI: 0000200000000040
[ 94.571425][ T5326] RBP: 00007fe890e3500c R08: 0000200000005000 R09: 0000000000000000
[ 94.571432][ T5326] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 94.571439][ T5326] R13: 00007fe891026038 R14: 00007fe891025fa0 R15: 00007fffdc3760b8
[ 94.571451][ T5326]
[ 94.571715][ T5326] ---[ end trace ]---
[ 94.681597][ T5326] Kernel panic - not syncing: UBSAN: panic_on_warn set ...
[ 94.684484][ T5326] CPU: 0 UID: 0 PID: 5326 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 94.688099][ T5326] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 94.692130][ T5326] Call Trace:
[ 94.693562][ T5326]
[ 94.694901][ T5326] vpanic+0x56c/0xa60
[ 94.696369][ T5326] ? __pfx_vpanic+0x10/0x10
[ 94.698219][ T5326] ? irqentry_exit+0x218/0x8f0
[ 94.700426][ T5326] panic+0xc5/0xd0
[ 94.702117][ T5326] ? __pfx_panic+0x10/0x10
[ 94.704024][ T5326] ? __pfx__printk+0x10/0x10
[ 94.705902][ T5326] check_panic_on_warn+0x89/0xb0
[ 94.708025][ T5326] __ubsan_handle_shift_out_of_bounds+0x36d/0x400
[ 94.710794][ T5326] ufs_fill_super+0x5f8d/0x67e0
[ 94.712925][ T5326] ? setup_bdev_super+0x4c1/0x5b0
[ 94.715106][ T5326] get_tree_bdev_flags+0x430/0x4f0
[ 94.717298][ T5326] ? __pfx_ufs_fill_super+0x10/0x10
[ 94.719484][ T5326] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 94.721776][ T5326] vfs_get_tree+0x92/0x2a0
[ 94.723483][ T5326] do_new_mount+0x319/0xdc0
[ 94.725311][ T5326] ? __pfx_do_new_mount+0x10/0x10
[ 94.727354][ T5326] ? ns_capable+0x89/0xe0
[ 94.728949][ T5326] ? path_mount+0x647/0x1040
[ 94.730610][ T5326] ? user_path_at+0xd4/0x160
[ 94.732457][ T5326] __se_sys_mount+0x31d/0x420
[ 94.734478][ T5326] ? __pfx___se_sys_mount+0x10/0x10
[ 94.736744][ T5326] ? __x64_sys_mount+0x20/0xc0
[ 94.738795][ T5326] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 94.741198][ T5326] do_syscall_64+0x174/0x580
[ 94.743222][ T5326] ? trace_irq_disable+0x3b/0x140
[ 94.745476][ T5326] ? clear_bhb_loop+0x40/0x90
[ 94.747557][ T5326] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 94.749853][ T5326] RIP: 0033:0x7fe890d9e019
[ 94.751537][ T5326] 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
[ 94.758972][ T5326] RSP: 002b:00007fe891bc8fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 94.761988][ T5326] RAX: ffffffffffffffda RBX: 00007fe891025fa0 RCX: 00007fe890d9e019
[ 94.765150][ T5326] RDX: 0000200000004000 RSI: 0000200000003000 RDI: 0000200000000040
[ 94.768400][ T5326] RBP: 00007fe890e3500c R08: 0000200000005000 R09: 0000000000000000
[ 94.771713][ T5326] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 94.774976][ T5326] R13: 00007fe891026038 R14: 00007fe891025fa0 R15: 00007fffdc3760b8
[ 94.778312][ T5326]
[ 94.780004][ T5326] Kernel Offset: disabled
[ 94.781800][ T5326] Rebooting in 86400 seconds..