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)="5419010054190100541901005419010054190100", 0x14, 0x2554)
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\x00', 0x30, 0x2d28)
pwrite64(r0, &(0x7f0000001190)="020000000c0001002e00000002000000f40102002e2e0000", 0x18, 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)
[ 107.645682][ T4652] Bluetooth: hci0: command tx timeout
[ 107.788192][ T5327] loop0: detected capacity change from 0 to 128
[ 107.853286][ T5327] ufs: ufs_fill_super(): fs needs fsck
[ 107.863249][ T5327] ------------[ cut here ]------------
[ 107.867762][ T5327] UBSAN: shift-out-of-bounds in fs/ufs/super.c:1177:18
[ 107.878065][ T5327] shift exponent 4294967294 is too large for 32-bit type 'int'
[ 107.884745][ T5327] CPU: 0 UID: 0 PID: 5327 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 107.884763][ T5327] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 107.884771][ T5327] Call Trace:
[ 107.884777][ T5327]
[ 107.884782][ T5327] dump_stack_lvl+0xe8/0x150
[ 107.884838][ T5327] ubsan_epilogue+0xa/0x30
[ 107.884864][ T5327] __ubsan_handle_shift_out_of_bounds+0x36d/0x400
[ 107.884910][ T5327] ufs_fill_super+0x5f8d/0x67e0
[ 107.884932][ T5327] ? setup_bdev_super+0x4c1/0x5b0
[ 107.884946][ T5327] get_tree_bdev_flags+0x430/0x4f0
[ 107.884963][ T5327] ? __pfx_ufs_fill_super+0x10/0x10
[ 107.884970][ T5327] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 107.884985][ T5327] vfs_get_tree+0x92/0x2a0
[ 107.884997][ T5327] do_new_mount+0x319/0xdc0
[ 107.885008][ T5327] ? __pfx_do_new_mount+0x10/0x10
[ 107.885022][ T5327] ? ns_capable+0x89/0xe0
[ 107.885036][ T5327] ? path_mount+0x647/0x1040
[ 107.885051][ T5327] ? user_path_at+0xd4/0x160
[ 107.885069][ T5327] __se_sys_mount+0x31d/0x420
[ 107.885088][ T5327] ? __pfx___se_sys_mount+0x10/0x10
[ 107.885106][ T5327] ? __x64_sys_mount+0x20/0xc0
[ 107.885116][ T5327] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 107.885124][ T5327] do_syscall_64+0x174/0x580
[ 107.885164][ T5327] ? trace_irq_disable+0x3b/0x140
[ 107.885181][ T5327] ? clear_bhb_loop+0x40/0x90
[ 107.885197][ T5327] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 107.885209][ T5327] RIP: 0033:0x7f2aae99e019
[ 107.885220][ T5327] 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
[ 107.885230][ T5327] RSP: 002b:00007f2aaf848fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 107.885242][ T5327] RAX: ffffffffffffffda RBX: 00007f2aaec25fa0 RCX: 00007f2aae99e019
[ 107.885248][ T5327] RDX: 0000200000004000 RSI: 0000200000003000 RDI: 0000200000000040
[ 107.885252][ T5327] RBP: 00007f2aaea3500c R08: 0000200000005000 R09: 0000000000000000
[ 107.885257][ T5327] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 107.885282][ T5327] R13: 00007f2aaec26038 R14: 00007f2aaec25fa0 R15: 00007ffe7c9e00d8
[ 107.885302][ T5327]
[ 107.885343][ T5327] ---[ end trace ]---
[ 107.998360][ T5327] Kernel panic - not syncing: UBSAN: panic_on_warn set ...
[ 108.001023][ T5327] CPU: 0 UID: 0 PID: 5327 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 108.004019][ T5327] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 108.007271][ T5327] Call Trace:
[ 108.008585][ T5327]
[ 108.009863][ T5327] vpanic+0x56c/0xa60
[ 108.011434][ T5327] ? __pfx_vpanic+0x10/0x10
[ 108.013349][ T5327] ? irqentry_exit+0x218/0x8f0
[ 108.015345][ T5327] panic+0xc5/0xd0
[ 108.016895][ T5327] ? __pfx_panic+0x10/0x10
[ 108.018785][ T5327] ? __pfx__printk+0x10/0x10
[ 108.020846][ T5327] check_panic_on_warn+0x89/0xb0
[ 108.023029][ T5327] __ubsan_handle_shift_out_of_bounds+0x36d/0x400
[ 108.026215][ T5327] ufs_fill_super+0x5f8d/0x67e0
[ 108.028035][ T5327] ? setup_bdev_super+0x4c1/0x5b0
[ 108.030449][ T5327] get_tree_bdev_flags+0x430/0x4f0
[ 108.032665][ T5327] ? __pfx_ufs_fill_super+0x10/0x10
[ 108.035038][ T5327] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 108.037882][ T5327] vfs_get_tree+0x92/0x2a0
[ 108.039858][ T5327] do_new_mount+0x319/0xdc0
[ 108.041789][ T5327] ? __pfx_do_new_mount+0x10/0x10
[ 108.043942][ T5327] ? ns_capable+0x89/0xe0
[ 108.045847][ T5327] ? path_mount+0x647/0x1040
[ 108.047556][ T5327] ? user_path_at+0xd4/0x160
[ 108.049334][ T5327] __se_sys_mount+0x31d/0x420
[ 108.051297][ T5327] ? __pfx___se_sys_mount+0x10/0x10
[ 108.053434][ T5327] ? __x64_sys_mount+0x20/0xc0
[ 108.055307][ T5327] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 108.057349][ T5327] do_syscall_64+0x174/0x580
[ 108.059164][ T5327] ? trace_irq_disable+0x3b/0x140
[ 108.061143][ T5327] ? clear_bhb_loop+0x40/0x90
[ 108.063019][ T5327] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 108.065187][ T5327] RIP: 0033:0x7f2aae99e019
[ 108.067053][ T5327] 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
[ 108.074878][ T5327] RSP: 002b:00007f2aaf848fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 108.077718][ T5327] RAX: ffffffffffffffda RBX: 00007f2aaec25fa0 RCX: 00007f2aae99e019
[ 108.080625][ T5327] RDX: 0000200000004000 RSI: 0000200000003000 RDI: 0000200000000040
[ 108.083896][ T5327] RBP: 00007f2aaea3500c R08: 0000200000005000 R09: 0000000000000000
[ 108.087196][ T5327] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 108.090533][ T5327] R13: 00007f2aaec26038 R14: 00007f2aaec25fa0 R15: 00007ffe7c9e00d8
[ 108.093885][ T5327]
[ 108.095573][ T5327] Kernel Offset: disabled
[ 108.097318][ T5327] Rebooting in 86400 seconds..