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)="541901005419010054190100", 0xc, 0x2554)
pwrite64(r0, &(0x7f0000001160)="ed410200", 0x4, 0x2d00)
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')
[ 94.896861][ T5284] Bluetooth: hci0: command tx timeout
[ 94.979210][ T5321] loop0: detected capacity change from 0 to 128
[ 95.146206][ T5321] ufs: ufs_fill_super(): fs needs fsck
[ 95.160777][ T5321] ------------[ cut here ]------------
[ 95.171377][ T5321] UBSAN: shift-out-of-bounds in fs/ufs/super.c:1177:18
[ 95.181534][ T5321] shift exponent 4294967294 is too large for 32-bit type 'int'
[ 95.190459][ T5321] CPU: 0 UID: 0 PID: 5321 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 95.190476][ T5321] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 95.190483][ T5321] Call Trace:
[ 95.190488][ T5321]
[ 95.190494][ T5321] dump_stack_lvl+0xe8/0x150
[ 95.195578][ T5321] ubsan_epilogue+0xa/0x30
[ 95.195593][ T5321] __ubsan_handle_shift_out_of_bounds+0x36d/0x400
[ 95.195698][ T5321] ufs_fill_super+0x5f8d/0x67e0
[ 95.195733][ T5321] ? setup_bdev_super+0x4c1/0x5b0
[ 95.195755][ T5321] get_tree_bdev_flags+0x430/0x4f0
[ 95.195773][ T5321] ? __pfx_ufs_fill_super+0x10/0x10
[ 95.195785][ T5321] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 95.195809][ T5321] vfs_get_tree+0x92/0x2a0
[ 95.195827][ T5321] do_new_mount+0x319/0xdc0
[ 95.195869][ T5321] ? __pfx_do_new_mount+0x10/0x10
[ 95.195884][ T5321] ? ns_capable+0x89/0xe0
[ 95.195900][ T5321] ? path_mount+0x647/0x1040
[ 95.195915][ T5321] ? user_path_at+0xd4/0x160
[ 95.195932][ T5321] __se_sys_mount+0x31d/0x420
[ 95.195949][ T5321] ? __pfx___se_sys_mount+0x10/0x10
[ 95.195967][ T5321] ? __x64_sys_mount+0x20/0xc0
[ 95.195980][ T5321] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 95.195993][ T5321] do_syscall_64+0x174/0x580
[ 95.196046][ T5321] ? trace_irq_disable+0x3b/0x140
[ 95.196063][ T5321] ? clear_bhb_loop+0x40/0x90
[ 95.196077][ T5321] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 95.196089][ T5321] RIP: 0033:0x7f9073b9e019
[ 95.196103][ T5321] 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
[ 95.196112][ T5321] RSP: 002b:00007f9074b15fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 95.196126][ T5321] RAX: ffffffffffffffda RBX: 00007f9073e25fa0 RCX: 00007f9073b9e019
[ 95.196134][ T5321] RDX: 0000200000004000 RSI: 0000200000003000 RDI: 0000200000000040
[ 95.196142][ T5321] RBP: 00007f9073c3500c R08: 0000200000005000 R09: 0000000000000000
[ 95.196150][ T5321] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 95.196156][ T5321] R13: 00007f9073e26038 R14: 00007f9073e25fa0 R15: 00007fff4b8f3118
[ 95.196174][ T5321]
[ 95.298454][ T5321] ---[ end trace ]---
[ 95.300402][ T5321] Kernel panic - not syncing: UBSAN: panic_on_warn set ...
[ 95.303495][ T5321] CPU: 0 UID: 0 PID: 5321 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 95.306993][ T5321] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 95.310628][ T5321] Call Trace:
[ 95.311868][ T5321]
[ 95.313059][ T5321] vpanic+0x56c/0xa60
[ 95.314741][ T5321] ? __pfx_vpanic+0x10/0x10
[ 95.316669][ T5321] ? irqentry_exit+0x218/0x8f0
[ 95.318584][ T5321] panic+0xc5/0xd0
[ 95.320131][ T5321] ? __pfx_panic+0x10/0x10
[ 95.321954][ T5321] ? __pfx__printk+0x10/0x10
[ 95.323877][ T5321] check_panic_on_warn+0x89/0xb0
[ 95.325830][ T5321] __ubsan_handle_shift_out_of_bounds+0x36d/0x400
[ 95.328460][ T5321] ufs_fill_super+0x5f8d/0x67e0
[ 95.330411][ T5321] ? setup_bdev_super+0x4c1/0x5b0
[ 95.332474][ T5321] get_tree_bdev_flags+0x430/0x4f0
[ 95.334492][ T5321] ? __pfx_ufs_fill_super+0x10/0x10
[ 95.336714][ T5321] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 95.339045][ T5321] vfs_get_tree+0x92/0x2a0
[ 95.340928][ T5321] do_new_mount+0x319/0xdc0
[ 95.342711][ T5321] ? __pfx_do_new_mount+0x10/0x10
[ 95.344770][ T5321] ? ns_capable+0x89/0xe0
[ 95.346544][ T5321] ? path_mount+0x647/0x1040
[ 95.348367][ T5321] ? user_path_at+0xd4/0x160
[ 95.350170][ T5321] __se_sys_mount+0x31d/0x420
[ 95.352154][ T5321] ? __pfx___se_sys_mount+0x10/0x10
[ 95.354232][ T5321] ? __x64_sys_mount+0x20/0xc0
[ 95.356119][ T5321] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 95.358592][ T5321] do_syscall_64+0x174/0x580
[ 95.360362][ T5321] ? trace_irq_disable+0x3b/0x140
[ 95.362393][ T5321] ? clear_bhb_loop+0x40/0x90
[ 95.364288][ T5321] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 95.366489][ T5321] RIP: 0033:0x7f9073b9e019
[ 95.368260][ T5321] 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
[ 95.375823][ T5321] RSP: 002b:00007f9074b15fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 95.379238][ T5321] RAX: ffffffffffffffda RBX: 00007f9073e25fa0 RCX: 00007f9073b9e019
[ 95.382291][ T5321] RDX: 0000200000004000 RSI: 0000200000003000 RDI: 0000200000000040
[ 95.385208][ T5321] RBP: 00007f9073c3500c R08: 0000200000005000 R09: 0000000000000000
[ 95.388606][ T5321] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 95.391866][ T5321] R13: 00007f9073e26038 R14: 00007f9073e25fa0 R15: 00007fff4b8f3118
[ 95.395156][ T5321]
[ 95.396862][ T5321] Kernel Offset: disabled
[ 95.398723][ T5321] Rebooting in 86400 seconds..