program: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPSET_CMD_CREATE(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000044c0)={&(0x7f0000000100)=ANY=[@ANYRES16=r0], 0x50}}, 0x20000) creat(&(0x7f0000000040)='./bus\x00', 0x0) r1 = open(&(0x7f0000000380)='./bus\x00', 0x0, 0x0) r2 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) r3 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000280), 0x2, 0x0) write$FUSE_NOTIFY_RETRIEVE(r3, &(0x7f00000002c0)={0x30, 0x5, 0x0, {0x0, 0x2000000000000, 0x0, 0x9}}, 0x30) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r4 = getpid() sched_setscheduler(r4, 0x2, &(0x7f0000000200)=0x4) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x2, 0x0) r5 = openat$ttyS3(0xffffffffffffff9c, &(0x7f00000000c0), 0x21201, 0x0) ioctl$TIOCSETD(r5, 0x5423, &(0x7f00000003c0)=0x14) r6 = signalfd(0xffffffffffffffff, &(0x7f00000001c0), 0x8) inotify_init1(0xc00) r7 = openat$comedi(0xffffff9c, &(0x7f0000000040)='/dev/comedi3\x00', 0x2000, 0x0) ioctl$COMEDI_DEVCONFIG(r7, 0x40946400, &(0x7f0000000080)={'aio_iiro_16\x00', [0x80c, 0x2166, 0x6, 0x100, 0x88d6, 0x2fd, 0x8, 0x10, 0xfffffffd, 0xffffffff, 0x200, 0xfff, 0x344, 0x6, 0x2, 0x200, 0x9, 0x3, 0x3, 0x1, 0x4, 0x0, 0xffffffff, 0x10000, 0x1, 0x1, 0xb0c4, 0x5f, 0x8, 0xf3, 0x1]}) setns(r6, 0x40000000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000180)) ioctl$TIOCVHANGUP(r5, 0x5437, 0x2) openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendfile(r2, r1, 0x0, 0x4000000053d2) socket$nl_netfilter(0x10, 0x3, 0xc) r8 = openat$cgroup_ro(r1, &(0x7f0000000300)='blkio.throttle.io_serviced\x00', 0x26e1, 0x0) setresuid(0x0, 0x0, 0x0) close(r8) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000900)) ioctl$SIOCSIFHWADDR(r8, 0x8b14, &(0x7f0000000000)={'wlan1\x00', @random="018d000007ff"}) [ 85.424523][ T4690] Bluetooth: hci0: command tx timeout [ 85.534509][ T5344] ------------[ cut here ]------------ [ 85.536486][ T5344] UBSAN: shift-out-of-bounds in drivers/comedi/drivers/aio_iiro_16.c:180:9 [ 85.539575][ T5344] shift exponent 8550 is too large for 32-bit type 'int' [ 85.542123][ T5344] CPU: 0 UID: 0 PID: 5344 Comm: syz.0.0 Not tainted 6.16.0-rc5-syzkaller-00121-gbc9ff192a6c9 #0 PREEMPT(full) [ 85.542135][ T5344] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 85.542140][ T5344] Call Trace: [ 85.542145][ T5344] [ 85.542148][ T5344] dump_stack_lvl+0x189/0x250 [ 85.542216][ T5344] ? __pfx_dump_stack_lvl+0x10/0x10 [ 85.542230][ T5344] ? __pfx__printk+0x10/0x10 [ 85.542249][ T5344] ? __pfx___request_region_locked+0x10/0x10 [ 85.542266][ T5344] ubsan_epilogue+0xa/0x40 [ 85.542275][ T5344] __ubsan_handle_shift_out_of_bounds+0x386/0x410 [ 85.542313][ T5344] ? __request_region+0xc2/0xe0 [ 85.542325][ T5344] ? comedi_request_region+0x7b/0x180 [ 85.542363][ T5344] aio_iiro_16_attach+0x5e8/0x790 [ 85.542380][ T5344] comedi_device_attach+0x520/0x670 [ 85.542397][ T5344] comedi_unlocked_ioctl+0x686/0xf40 [ 85.542411][ T5344] ? __pfx_comedi_unlocked_ioctl+0x10/0x10 [ 85.542432][ T5344] ? __lock_acquire+0xab9/0xd20 [ 85.542448][ T5344] ? __fget_files+0x2a/0x420 [ 85.542460][ T5344] ? __fget_files+0x2a/0x420 [ 85.542470][ T5344] ? __fget_files+0x3a0/0x420 [ 85.542478][ T5344] ? __fget_files+0x2a/0x420 [ 85.542490][ T5344] ? bpf_lsm_file_ioctl+0x9/0x20 [ 85.542499][ T5344] ? __pfx_comedi_unlocked_ioctl+0x10/0x10 [ 85.542509][ T5344] __se_sys_ioctl+0xfc/0x170 [ 85.542518][ T5344] do_syscall_64+0xfa/0x3b0 [ 85.542550][ T5344] ? lockdep_hardirqs_on+0x9c/0x150 [ 85.542561][ T5344] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.542568][ T5344] ? clear_bhb_loop+0x60/0xb0 [ 85.542577][ T5344] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.542584][ T5344] RIP: 0033:0x7fd7ae18e929 [ 85.542594][ T5344] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 85.542601][ T5344] RSP: 002b:00007fd7aa5f5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 85.542610][ T5344] RAX: ffffffffffffffda RBX: 00007fd7ae3b5fa0 RCX: 00007fd7ae18e929 [ 85.542616][ T5344] RDX: 0000200000000080 RSI: 0000000040946400 RDI: 000000000000000a [ 85.542621][ T5344] RBP: 00007fd7ae210b39 R08: 0000000000000000 R09: 0000000000000000 [ 85.542625][ T5344] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 85.542630][ T5344] R13: 0000000000000000 R14: 00007fd7ae3b5fa0 R15: 00007ffcb5b3ee58 [ 85.542648][ T5344] [ 85.542675][ T5344] ---[ end trace ]--- [ 85.646011][ T5344] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 85.649380][ T5344] CPU: 0 UID: 0 PID: 5344 Comm: syz.0.0 Not tainted 6.16.0-rc5-syzkaller-00121-gbc9ff192a6c9 #0 PREEMPT(full) [ 85.654986][ T5344] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 85.660303][ T5344] Call Trace: [ 85.662200][ T5344] [ 85.663828][ T5344] dump_stack_lvl+0x99/0x250 [ 85.666249][ T5344] ? __asan_memcpy+0x40/0x70 [ 85.668679][ T5344] ? __pfx_dump_stack_lvl+0x10/0x10 [ 85.671587][ T5344] ? __pfx__printk+0x10/0x10 [ 85.673983][ T5344] panic+0x2db/0x790 [ 85.676001][ T5344] ? __pfx_panic+0x10/0x10 [ 85.678485][ T5344] ? _printk+0xcf/0x120 [ 85.680836][ T5344] ? __pfx__printk+0x10/0x10 [ 85.683259][ T5344] check_panic_on_warn+0x89/0xb0 [ 85.685667][ T5344] __ubsan_handle_shift_out_of_bounds+0x386/0x410 [ 85.688702][ T5344] ? __request_region+0xc2/0xe0 [ 85.690837][ T5344] ? comedi_request_region+0x7b/0x180 [ 85.693288][ T5344] aio_iiro_16_attach+0x5e8/0x790 [ 85.695442][ T5344] comedi_device_attach+0x520/0x670 [ 85.697757][ T5344] comedi_unlocked_ioctl+0x686/0xf40 [ 85.700183][ T5344] ? __pfx_comedi_unlocked_ioctl+0x10/0x10 [ 85.702377][ T5344] ? __lock_acquire+0xab9/0xd20 [ 85.704105][ T5344] ? __fget_files+0x2a/0x420 [ 85.705688][ T5344] ? __fget_files+0x2a/0x420 [ 85.707376][ T5344] ? __fget_files+0x3a0/0x420 [ 85.709243][ T5344] ? __fget_files+0x2a/0x420 [ 85.711462][ T5344] ? bpf_lsm_file_ioctl+0x9/0x20 [ 85.713890][ T5344] ? __pfx_comedi_unlocked_ioctl+0x10/0x10 [ 85.716570][ T5344] __se_sys_ioctl+0xfc/0x170 [ 85.718763][ T5344] do_syscall_64+0xfa/0x3b0 [ 85.720737][ T5344] ? lockdep_hardirqs_on+0x9c/0x150 [ 85.723064][ T5344] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.725502][ T5344] ? clear_bhb_loop+0x60/0xb0 [ 85.727516][ T5344] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.729985][ T5344] RIP: 0033:0x7fd7ae18e929 [ 85.732111][ T5344] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 85.740150][ T5344] RSP: 002b:00007fd7aa5f5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 85.743864][ T5344] RAX: ffffffffffffffda RBX: 00007fd7ae3b5fa0 RCX: 00007fd7ae18e929 [ 85.747234][ T5344] RDX: 0000200000000080 RSI: 0000000040946400 RDI: 000000000000000a [ 85.750440][ T5344] RBP: 00007fd7ae210b39 R08: 0000000000000000 R09: 0000000000000000 [ 85.753740][ T5344] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 85.757212][ T5344] R13: 0000000000000000 R14: 00007fd7ae3b5fa0 R15: 00007ffcb5b3ee58 [ 85.760604][ T5344] [ 85.762247][ T5344] Kernel Offset: disabled [ 85.764125][ T5344] Rebooting in 86400 seconds..