program: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000440), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DISASSOCIATE(r0, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000700)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01002bbd7000ffdbdf252800000008000300", @ANYRES32=r2, @ANYBLOB="000000050000"], 0x28}, 0x1, 0x0, 0x0, 0x40420d5}, 0xc0) ioctl$sock_SIOCGIFVLAN_SET_VLAN_EGRESS_PRIORITY_CMD(r0, 0x8982, &(0x7f0000000080)={0x3, 'wg0\x00', {0x6}, 0x1000}) r3 = openat$comedi(0xffffff9c, &(0x7f0000000040)='/dev/comedi3\x00', 0x2000, 0x0) r4 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0), 0x20480, 0x0) ioctl$VT_DISALLOCATE(r4, 0x5608) ioctl$COMEDI_DEVCONFIG(r3, 0x40946400, &(0x7f0000000140)={'8255\x00', [0xfffffff9, 0x7, 0x2, 0x100000, 0x40088d6, 0x8f, 0xfffffffd, 0x100810, 0x1000002, 0xfffffffb, 0x200, 0x4, 0x6, 0x7b, 0x7, 0x5, 0x9, 0x3, 0x8001, 0x101, 0x100, 0x3, 0x0, 0x1, 0x1000b, 0xffffffff, 0x5721, 0x7db, 0x8, 0x8, 0x9]}) ioctl$COMEDI_RANGEINFO(r3, 0x80106408, &(0x7f0000000000)={0x5, 0x0}) [ 75.195545][ T5332] Bluetooth: hci0: command tx timeout [ 75.231137][ T5353] netlink: 12 bytes leftover after parsing attributes in process `syz.0.0'. [ 75.265403][ T5353] comedi comedi3: 8255: I/O port conflict (0xfffffffffffffff9,4) [ 75.268308][ T5353] comedi comedi3: 8255: I/O port conflict (0x7,4) [ 75.279166][ T5353] comedi comedi3: 8255: I/O port conflict (0x2,4) [ 75.281899][ T5353] comedi comedi3: 8255: I/O port conflict (0x100000,4) [ 75.285099][ T5353] comedi comedi3: 8255: I/O port conflict (0x40088d6,4) [ 75.288261][ T5353] comedi comedi3: 8255: I/O port conflict (0x8f,4) [ 75.297281][ T5353] comedi comedi3: 8255: I/O port conflict (0xfffffffffffffffd,4) [ 75.302328][ T5353] comedi comedi3: 8255: I/O port conflict (0x100810,4) [ 75.305367][ T5353] comedi comedi3: 8255: I/O port conflict (0x1000002,4) [ 75.308504][ T5353] comedi comedi3: 8255: I/O port conflict (0xfffffffffffffffb,4) [ 75.313648][ T5353] comedi comedi3: 8255: I/O port conflict (0x4,4) [ 75.316758][ T5353] comedi comedi3: 8255: I/O port conflict (0x6,4) [ 75.321096][ T5353] comedi comedi3: 8255: I/O port conflict (0x7,4) [ 75.323784][ T5353] comedi comedi3: 8255: I/O port conflict (0x5,4) [ 75.327509][ T5353] comedi comedi3: 8255: I/O port conflict (0x9,4) [ 75.331563][ T5353] comedi comedi3: 8255: I/O port conflict (0x3,4) [ 75.334410][ T5353] BUG: unable to handle page fault for address: 0000000000005448 [ 75.337840][ T5353] #PF: supervisor write access in kernel mode [ 75.340490][ T5353] #PF: error_code(0x0002) - not-present page [ 75.343003][ T5353] PGD 0 P4D 0 [ 75.344520][ T5353] Oops: Oops: 0002 [#1] SMP KASAN NOPTI [ 75.346930][ T5353] CPU: 0 UID: 0 PID: 5353 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 75.350491][ T5353] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 75.354581][ T5353] RIP: 0010:subdev_8255_io+0x64/0xb0 [ 75.356809][ T5353] Code: e8 91 95 c9 f8 49 81 c6 d0 01 00 00 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 24 82 2e f9 01 eb 41 03 1e 44 89 f8 <89> 66 90 31 c0 eb 2d e8 60 95 c9 f8 49 81 c6 d0 01 00 00 4c 89 f0 [ 75.364764][ T5353] RSP: 0018:ffffc9000d34f9e0 EFLAGS: 00010202 [ 75.367951][ T5353] RAX: 000000000000009b RBX: 0000000000008004 RCX: 0000000000100000 [ 75.371930][ T5353] RDX: ffffc9000e08a000 RSI: 00000000000054b8 RDI: 00000000000054b9 [ 75.375392][ T5353] RBP: 0000000000000003 R08: 0000000000008001 R09: 00000000ffffffff [ 75.378698][ T5353] R10: 000000000000000b R11: ffffffff88f62570 R12: 0000000000000001 [ 75.381928][ T5353] R13: dffffc0000000000 R14: ffff88803e47b1d0 R15: 000000000000009b [ 75.385312][ T5353] FS: 00007f293d5336c0(0000) GS:ffff88808d20f000(0000) knlGS:0000000000000000 [ 75.389078][ T5353] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.391694][ T5353] CR2: 0000000000005448 CR3: 000000003424c000 CR4: 0000000000352ef0 [ 75.394850][ T5353] Call Trace: [ 75.396148][ T5353] [ 75.397408][ T5353] subdev_8255_io_init+0x279/0x330 [ 75.399654][ T5353] dev_8255_attach+0x9bd/0xe90 [ 75.401738][ T5353] comedi_device_attach+0x51f/0x720 [ 75.403919][ T5353] comedi_unlocked_ioctl+0x5ff/0x1020 [ 75.406296][ T5353] ? __pfx_comedi_unlocked_ioctl+0x10/0x10 [ 75.408712][ T5353] ? __lock_acquire+0xab9/0xd20 [ 75.410747][ T5353] ? __fget_files+0x2a/0x420 [ 75.412683][ T5353] ? __fget_files+0x2a/0x420 [ 75.414348][ T5353] ? __fget_files+0x3a0/0x420 [ 75.416306][ T5353] ? __fget_files+0x2a/0x420 [ 75.418210][ T5353] ? bpf_lsm_file_ioctl+0x9/0x20 [ 75.420353][ T5353] ? __pfx_comedi_unlocked_ioctl+0x10/0x10 [ 75.422729][ T5353] __se_sys_ioctl+0xf9/0x170 [ 75.424769][ T5353] do_syscall_64+0xfa/0x3b0 [ 75.426846][ T5353] ? lockdep_hardirqs_on+0x9c/0x150 [ 75.429293][ T5353] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.431895][ T5353] ? clear_bhb_loop+0x60/0xb0 [ 75.433831][ T5353] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.436456][ T5353] RIP: 0033:0x7f293c78ebe9 [ 75.438375][ T5353] 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 [ 75.446513][ T5353] RSP: 002b:00007f293d533038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 75.450100][ T5353] RAX: ffffffffffffffda RBX: 00007f293c9b5fa0 RCX: 00007f293c78ebe9 [ 75.453695][ T5353] RDX: 0000200000000140 RSI: 0000000040946400 RDI: 0000000000000004 [ 75.457039][ T5353] RBP: 00007f293c811e19 R08: 0000000000000000 R09: 0000000000000000 [ 75.460558][ T5353] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 75.463841][ T5353] R13: 00007f293c9b6038 R14: 00007f293c9b5fa0 R15: 00007fff9ddaaf18 [ 75.467068][ T5353] [ 75.468436][ T5353] Modules linked in: [ 75.469957][ T5353] CR2: 0000000000005448 [ 75.471598][ T5353] ---[ end trace 0000000000000000 ]--- [ 75.473658][ T5353] RIP: 0010:subdev_8255_io+0x64/0xb0 [ 75.476248][ T5353] Code: e8 91 95 c9 f8 49 81 c6 d0 01 00 00 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 24 82 2e f9 01 eb 41 03 1e 44 89 f8 <89> 66 90 31 c0 eb 2d e8 60 95 c9 f8 49 81 c6 d0 01 00 00 4c 89 f0 [ 75.484608][ T5353] RSP: 0018:ffffc9000d34f9e0 EFLAGS: 00010202 [ 75.486964][ T5353] RAX: 000000000000009b RBX: 0000000000008004 RCX: 0000000000100000 [ 75.490374][ T5353] RDX: ffffc9000e08a000 RSI: 00000000000054b8 RDI: 00000000000054b9 [ 75.493705][ T5353] RBP: 0000000000000003 R08: 0000000000008001 R09: 00000000ffffffff [ 75.496970][ T5353] R10: 000000000000000b R11: ffffffff88f62570 R12: 0000000000000001 [ 75.500025][ T5353] R13: dffffc0000000000 R14: ffff88803e47b1d0 R15: 000000000000009b [ 75.503076][ T5353] FS: 00007f293d5336c0(0000) GS:ffff88808d20f000(0000) knlGS:0000000000000000 [ 75.506809][ T5353] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.509659][ T5353] CR2: 0000000000005448 CR3: 000000003424c000 CR4: 0000000000352ef0 [ 75.512994][ T5353] Kernel panic - not syncing: Fatal exception [ 75.515953][ T5353] Kernel Offset: disabled [ 75.517823][ T5353] Rebooting in 86400 seconds..