program:
r0 = syz_open_dev$char_usb(0xc, 0xb4, 0x10000)
ioctl$XFS_IOC_DIOINFO(r0, 0x800c581e, &(0x7f0000000000))
r1 = openat$comedi(0xffffffffffffff9c, &(0x7f0000000080)='/dev/comedi0\x00', 0x0, 0x0)
ioctl(r1, 0x40946400, &(0x7f0000000340)="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")
[ 77.492472][ T1333] ieee802154 phy0 wpan0: encryption failed: -22
[ 77.492568][ T1333] ieee802154 phy1 wpan1: encryption failed: -22
[ 77.589867][ T4649] Bluetooth: hci0: command tx timeout
[ 77.606707][ T5317] ------------[ cut here ]------------
[ 77.606715][ T5317] UBSAN: shift-out-of-bounds in drivers/comedi/drivers/dt2811.c:570:31
[ 77.606723][ T5317] shift exponent -2087072022 is negative
[ 77.606742][ T5317] CPU: 0 UID: 0 PID: 5317 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 77.606751][ T5317] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 77.606756][ T5317] Call Trace:
[ 77.606760][ T5317]
[ 77.606765][ T5317] dump_stack_lvl+0xe8/0x150
[ 77.606888][ T5317] ubsan_epilogue+0xa/0x30
[ 77.606902][ T5317] __ubsan_handle_shift_out_of_bounds+0x36d/0x400
[ 77.607004][ T5317] dt2811_attach+0x8e0/0xba0
[ 77.607087][ T5317] comedi_device_attach+0x52d/0x720
[ 77.607107][ T5317] comedi_unlocked_ioctl+0x8ef/0x1af0
[ 77.607135][ T5317] ? kasan_quarantine_put+0xbb/0x1f0
[ 77.607196][ T5317] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 77.607222][ T5317] ? do_vfs_ioctl+0x116f/0x1530
[ 77.607239][ T5317] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 77.607259][ T5317] ? hook_file_ioctl+0x1f2/0x600
[ 77.607287][ T5317] ? __fget_files+0x2a/0x420
[ 77.607298][ T5317] ? __fget_files+0x2a/0x420
[ 77.607310][ T5317] ? __fget_files+0x3a2/0x420
[ 77.607322][ T5317] ? __fget_files+0x2a/0x420
[ 77.607338][ T5317] ? bpf_lsm_file_ioctl+0x9/0x20
[ 77.607365][ T5317] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 77.607382][ T5317] __se_sys_ioctl+0xfc/0x170
[ 77.607395][ T5317] do_syscall_64+0x166/0x520
[ 77.607440][ T5317] ? trace_irq_disable+0x3b/0x140
[ 77.607456][ T5317] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 77.607484][ T5317] ? clear_bhb_loop+0x70/0xc0
[ 77.607505][ T5317] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 77.607518][ T5317] RIP: 0033:0x7f2c7839e199
[ 77.607530][ 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
[ 77.607542][ T5317] RSP: 002b:00007f2c7922ffe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 77.607561][ T5317] RAX: ffffffffffffffda RBX: 00007f2c78625fa0 RCX: 00007f2c7839e199
[ 77.607570][ T5317] RDX: 0000200000000340 RSI: 0000000040946400 RDI: 0000000000000003
[ 77.607578][ T5317] RBP: 00007f2c784358e0 R08: 0000000000000000 R09: 0000000000000000
[ 77.607585][ T5317] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 77.607592][ T5317] R13: 00007f2c78626038 R14: 00007f2c78625fa0 R15: 00007fffbc5bd858
[ 77.607611][ T5317]
[ 77.607616][ T5317] ---[ end trace ]---
[ 77.607623][ T5317] Kernel panic - not syncing: UBSAN: panic_on_warn set ...
[ 77.713104][ T5317] CPU: 0 UID: 0 PID: 5317 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 77.716859][ T5317] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 77.721023][ T5317] Call Trace:
[ 77.722418][ T5317]
[ 77.723588][ T5317] vpanic+0x56d/0xa60
[ 77.725249][ T5317] ? __pfx_vpanic+0x10/0x10
[ 77.727146][ T5317] panic+0xc5/0xd0
[ 77.728754][ T5317] ? __pfx_panic+0x10/0x10
[ 77.730684][ T5317] ? __pfx__printk+0x10/0x10
[ 77.732601][ T5317] ? dump_stack_lvl+0x103/0x150
[ 77.734856][ T5317] check_panic_on_warn+0x89/0xb0
[ 77.736827][ T5317] __ubsan_handle_shift_out_of_bounds+0x36d/0x400
[ 77.739501][ T5317] dt2811_attach+0x8e0/0xba0
[ 77.741522][ T5317] comedi_device_attach+0x52d/0x720
[ 77.743746][ T5317] comedi_unlocked_ioctl+0x8ef/0x1af0
[ 77.746232][ T5317] ? kasan_quarantine_put+0xbb/0x1f0
[ 77.748571][ T5317] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 77.750980][ T5317] ? do_vfs_ioctl+0x116f/0x1530
[ 77.752804][ T5317] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 77.754922][ T5317] ? hook_file_ioctl+0x1f2/0x600
[ 77.757098][ T5317] ? __fget_files+0x2a/0x420
[ 77.759080][ T5317] ? __fget_files+0x2a/0x420
[ 77.760997][ T5317] ? __fget_files+0x3a2/0x420
[ 77.763012][ T5317] ? __fget_files+0x2a/0x420
[ 77.765009][ T5317] ? bpf_lsm_file_ioctl+0x9/0x20
[ 77.767175][ T5317] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 77.769477][ T5317] __se_sys_ioctl+0xfc/0x170
[ 77.771535][ T5317] do_syscall_64+0x166/0x520
[ 77.773629][ T5317] ? trace_irq_disable+0x3b/0x140
[ 77.776247][ T5317] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 77.779562][ T5317] ? clear_bhb_loop+0x70/0xc0
[ 77.782136][ T5317] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 77.784698][ T5317] RIP: 0033:0x7f2c7839e199
[ 77.786646][ 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
[ 77.794518][ T5317] RSP: 002b:00007f2c7922ffe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 77.797825][ T5317] RAX: ffffffffffffffda RBX: 00007f2c78625fa0 RCX: 00007f2c7839e199
[ 77.801008][ T5317] RDX: 0000200000000340 RSI: 0000000040946400 RDI: 0000000000000003
[ 77.803944][ T5317] RBP: 00007f2c784358e0 R08: 0000000000000000 R09: 0000000000000000
[ 77.807286][ T5317] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 77.810433][ T5317] R13: 00007f2c78626038 R14: 00007f2c78625fa0 R15: 00007fffbc5bd858
[ 77.813608][ T5317]
[ 77.815198][ T5317] Kernel Offset: disabled
[ 77.816838][ T5317] Rebooting in 86400 seconds..