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, &(0x7f0000001080)="0100000000000000", 0x8, 0x2088)
pwrite64(r0, &(0x7f0000001090)="0d000000000400000004000001000000010000000100000001000000010000008000000080000000", 0x28, 0x2098)
pwrite64(r0, &(0x7f00000010d0)="01", 0x1, 0x20d1)
pwrite64(r0, &(0x7f00000011b0)="389d267c", 0x4, 0x24e0)
pwrite64(r0, &(0x7f00000010e0)="541901005419010054190100", 0xc, 0x2554)
pwrite64(r0, &(0x7f00000010f0)="55020900", 0x4, 0x2804)
pwrite64(r0, &(0x7f0000001110)="01000000640000006400000064000000", 0x10, 0x2818)
pwrite64(r0, &(0x7f00000011a0)="04", 0x1, 0x28c0)
pwrite64(r0, &(0x7f0000001150)="0000ffffffffffffffffffffffffffff", 0x10, 0x28e0)
pwrite64(r0, &(0x7f0000001160)="ed410200", 0x4, 0x2d00)
pwrite64(r0, &(0x7f0000001170)="0004000000000000", 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)
[ 75.727538][ T5280] Bluetooth: hci0: command tx timeout
[ 75.801900][ T5317] loop0: detected capacity change from 0 to 128
[ 75.857867][ T5317] ufs: ufs_fill_super(): fs needs fsck
[ 75.875004][ T5317] ------------[ cut here ]------------
[ 75.885083][ T5317] UBSAN: shift-out-of-bounds in fs/ufs/super.c:1177:18
[ 75.898278][ T5317] shift exponent 4294967294 is too large for 32-bit type 'int'
[ 75.909232][ T5317] CPU: 0 UID: 0 PID: 5317 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 75.909251][ T5317] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 75.909258][ T5317] Call Trace:
[ 75.909264][ T5317]
[ 75.909269][ T5317] dump_stack_lvl+0xe8/0x150
[ 75.909343][ T5317] ubsan_epilogue+0xa/0x30
[ 75.909358][ T5317] __ubsan_handle_shift_out_of_bounds+0x36d/0x400
[ 75.909432][ T5317] ufs_fill_super+0x5f8d/0x67e0
[ 75.909464][ T5317] ? setup_bdev_super+0x4c1/0x5b0
[ 75.909484][ T5317] get_tree_bdev_flags+0x430/0x4f0
[ 75.909502][ T5317] ? __pfx_ufs_fill_super+0x10/0x10
[ 75.909534][ T5317] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 75.909557][ T5317] vfs_get_tree+0x92/0x2a0
[ 75.909575][ T5317] do_new_mount+0x319/0xdc0
[ 75.909594][ T5317] ? __pfx_do_new_mount+0x10/0x10
[ 75.909608][ T5317] ? ns_capable+0x89/0xe0
[ 75.909623][ T5317] ? path_mount+0x647/0x1040
[ 75.909638][ T5317] ? user_path_at+0xd4/0x160
[ 75.909655][ T5317] __se_sys_mount+0x31d/0x420
[ 75.909672][ T5317] ? __pfx___se_sys_mount+0x10/0x10
[ 75.909689][ T5317] ? __x64_sys_mount+0x20/0xc0
[ 75.909702][ T5317] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 75.909714][ T5317] do_syscall_64+0x174/0x580
[ 75.909764][ T5317] ? trace_irq_disable+0x3b/0x140
[ 75.909780][ T5317] ? clear_bhb_loop+0x40/0x90
[ 75.909795][ T5317] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 75.909806][ T5317] RIP: 0033:0x7f350ad9e019
[ 75.909817][ T5317] 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
[ 75.909826][ T5317] RSP: 002b:00007f350bcfdfe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 75.909839][ T5317] RAX: ffffffffffffffda RBX: 00007f350b025fa0 RCX: 00007f350ad9e019
[ 75.909848][ T5317] RDX: 0000200000004000 RSI: 0000200000003000 RDI: 0000200000000040
[ 75.909857][ T5317] RBP: 00007f350ae3500c R08: 0000200000005000 R09: 0000000000000000
[ 75.909864][ T5317] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 75.909871][ T5317] R13: 00007f350b026038 R14: 00007f350b025fa0 R15: 00007ffe7c9189d8
[ 75.909888][ T5317]
[ 75.911976][ T5317] ---[ end trace ]---
[ 76.063219][ T5317] Kernel panic - not syncing: UBSAN: panic_on_warn set ...
[ 76.066396][ T5317] CPU: 0 UID: 0 PID: 5317 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 76.070120][ T5317] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 76.074085][ T5317] Call Trace:
[ 76.075453][ T5317]
[ 76.076691][ T5317] vpanic+0x56c/0xa60
[ 76.078142][ T5317] ? __pfx_vpanic+0x10/0x10
[ 76.079906][ T5317] ? irqentry_exit+0x218/0x8f0
[ 76.081840][ T5317] panic+0xc5/0xd0
[ 76.083471][ T5317] ? __pfx_panic+0x10/0x10
[ 76.085255][ T5317] ? __pfx__printk+0x10/0x10
[ 76.087252][ T5317] check_panic_on_warn+0x89/0xb0
[ 76.089441][ T5317] __ubsan_handle_shift_out_of_bounds+0x36d/0x400
[ 76.092175][ T5317] ufs_fill_super+0x5f8d/0x67e0
[ 76.094200][ T5317] ? setup_bdev_super+0x4c1/0x5b0
[ 76.096323][ T5317] get_tree_bdev_flags+0x430/0x4f0
[ 76.098617][ T5317] ? __pfx_ufs_fill_super+0x10/0x10
[ 76.100801][ T5317] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 76.103096][ T5317] vfs_get_tree+0x92/0x2a0
[ 76.104901][ T5317] do_new_mount+0x319/0xdc0
[ 76.106749][ T5317] ? __pfx_do_new_mount+0x10/0x10
[ 76.108816][ T5317] ? ns_capable+0x89/0xe0
[ 76.110524][ T5317] ? path_mount+0x647/0x1040
[ 76.112268][ T5317] ? user_path_at+0xd4/0x160
[ 76.114142][ T5317] __se_sys_mount+0x31d/0x420
[ 76.116094][ T5317] ? __pfx___se_sys_mount+0x10/0x10
[ 76.118114][ T5317] ? __x64_sys_mount+0x20/0xc0
[ 76.120054][ T5317] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 76.122479][ T5317] do_syscall_64+0x174/0x580
[ 76.124386][ T5317] ? trace_irq_disable+0x3b/0x140
[ 76.126311][ T5317] ? clear_bhb_loop+0x40/0x90
[ 76.128179][ T5317] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 76.130599][ T5317] RIP: 0033:0x7f350ad9e019
[ 76.132465][ T5317] 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
[ 76.139559][ T5317] RSP: 002b:00007f350bcfdfe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 76.142980][ T5317] RAX: ffffffffffffffda RBX: 00007f350b025fa0 RCX: 00007f350ad9e019
[ 76.146044][ T5317] RDX: 0000200000004000 RSI: 0000200000003000 RDI: 0000200000000040
[ 76.149307][ T5317] RBP: 00007f350ae3500c R08: 0000200000005000 R09: 0000000000000000
[ 76.152479][ T5317] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 76.155676][ T5317] R13: 00007f350b026038 R14: 00007f350b025fa0 R15: 00007ffe7c9189d8
[ 76.158846][ T5317]
[ 76.160560][ T5317] Kernel Offset: disabled
[ 76.162480][ T5317] Rebooting in 86400 seconds..