program: mount$overlay(0x0, 0x0, 0x0, 0x8, &(0x7f0000000240)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file1'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}, {@lowerdir={'lowerdir', 0x3d, './file1'}}, {@uuid_null}, {@uuid_auto}]}) r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000f80), 0xffffffffffffffff) r2 = socket$qrtr(0x2a, 0x2, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r2, 0x8914, &(0x7f0000000000)={'wlan1\x00'}) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r3, 0x8933, &(0x7f00000000c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_SET_INTERFACE(r4, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000200)={0x24, r5, 0x5, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_IFTYPE={0x8, 0x5, 0x7}]}, 0x24}}, 0x0) r7 = socket$kcm(0x10, 0x2, 0x0) sendmsg$kcm(r7, &(0x7f0000000600)={0x0, 0xc, &(0x7f0000000000)=[{&(0x7f0000000080)="2e00000010008188e6b62aa73772cc9f1ba1f848480000005e140602000000000e000a000f000000028000001294", 0x2e}], 0x1}, 0x0) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000040)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_NEW_STATION(r0, &(0x7f0000001080)={0x0, 0x0, &(0x7f0000001040)={&(0x7f00000000c0)={0x3c, r1, 0xb97534d5fe9704cf, 0x0, 0x25dfdbfc, {{}, {@val={0x8, 0x3, r8}, @void}}, [@NL80211_ATTR_STA_LISTEN_INTERVAL={0x6}, @NL80211_ATTR_MAC={0xa, 0x6, @device_b}, @NL80211_ATTR_STA_SUPPORTED_RATES={0x4}, @NL80211_ATTR_STA_AID={0x6, 0x10, 0x57d}]}, 0x3c}}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00', 0x0) mount$overlay(0x0, &(0x7f0000000140)='./file0\x00', &(0x7f0000000180), 0x0, &(0x7f0000000300)={[{@lowerdir={'lowerdir', 0x3d, './file0'}, 0x3a}], [], 0x2f}) mount$overlay(0x0, 0x0, 0x0, 0x8, &(0x7f0000000240)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file1'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}, {@lowerdir={'lowerdir', 0x3d, './file1'}}, {@uuid_null}, {@uuid_auto}]}) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nl80211(&(0x7f0000000f80), 0xffffffffffffffff) (async) socket$qrtr(0x2a, 0x2, 0x0) (async) ioctl$sock_inet_SIOCSIFFLAGS(r2, 0x8914, &(0x7f0000000000)={'wlan1\x00'}) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) (async) ioctl$sock_SIOCGIFINDEX_80211(r3, 0x8933, &(0x7f00000000c0)={'wlan1\x00'}) (async) sendmsg$NL80211_CMD_SET_INTERFACE(r4, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000200)={0x24, r5, 0x5, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_IFTYPE={0x8, 0x5, 0x7}]}, 0x24}}, 0x0) (async) socket$kcm(0x10, 0x2, 0x0) (async) sendmsg$kcm(r7, &(0x7f0000000600)={0x0, 0xc, &(0x7f0000000000)=[{&(0x7f0000000080)="2e00000010008188e6b62aa73772cc9f1ba1f848480000005e140602000000000e000a000f000000028000001294", 0x2e}], 0x1}, 0x0) (async) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000040)={'wlan1\x00'}) (async) sendmsg$NL80211_CMD_NEW_STATION(r0, &(0x7f0000001080)={0x0, 0x0, &(0x7f0000001040)={&(0x7f00000000c0)={0x3c, r1, 0xb97534d5fe9704cf, 0x0, 0x25dfdbfc, {{}, {@val={0x8, 0x3, r8}, @void}}, [@NL80211_ATTR_STA_LISTEN_INTERVAL={0x6}, @NL80211_ATTR_MAC={0xa, 0x6, @device_b}, @NL80211_ATTR_STA_SUPPORTED_RATES={0x4}, @NL80211_ATTR_STA_AID={0x6, 0x10, 0x57d}]}, 0x3c}}, 0x0) (async) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00', 0x0) (async) mount$overlay(0x0, &(0x7f0000000140)='./file0\x00', &(0x7f0000000180), 0x0, &(0x7f0000000300)={[{@lowerdir={'lowerdir', 0x3d, './file0'}, 0x3a}], [], 0x2f}) (async) [ 74.455657][ T4680] Bluetooth: hci0: command tx timeout [ 74.542833][ T5331] netlink: 'syz.0.0': attribute type 10 has an invalid length. [ 74.552134][ T5331] bond0: (slave wlan1): Enslaving as an active interface with an up link [ 74.561504][ T5331] overlayfs: overlapping lowerdir path [ 74.575737][ T5331] ------------[ cut here ]------------ [ 74.578506][ T5331] !chanctx_conf [ 74.578518][ T5331] WARNING: net/mac80211/tx.c:6305 at ieee80211_tx_skb_tid+0x3b4/0x470, CPU#0: syz.0.0/5331 [ 74.584706][ T5331] Modules linked in: [ 74.586653][ T5331] CPU: 0 UID: 0 PID: 5331 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 74.590564][ T5331] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 74.595008][ T5331] RIP: 0010:ieee80211_tx_skb_tid+0x3b4/0x470 [ 74.597771][ T5331] Code: 6b a7 f6 e9 b1 fe ff ff e8 39 98 ca f6 90 0f 0b 90 e9 e2 fe ff ff e8 2b 98 ca f6 90 0f 0b 90 e9 2a fe ff ff e8 1d 98 ca f6 90 <0f> 0b 90 e8 c4 dd fd ff 31 ff 48 8b 34 24 ba 02 00 00 00 48 83 c4 [ 74.606442][ T5331] RSP: 0018:ffffc9000bd9f478 EFLAGS: 00010293 [ 74.609165][ T5331] RAX: ffffffff8af81043 RBX: ffffffff8af80cbf RCX: ffff88803731c980 [ 74.612454][ T5331] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 74.615947][ T5331] RBP: 00000000ffffffff R08: ffffffff8af80cbf R09: ffffffff8e35a360 [ 74.619556][ T5331] R10: dffffc0000000000 R11: ffffed1003486e26 R12: ffff888038418d80 [ 74.623054][ T5331] R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000 [ 74.626544][ T5331] FS: 00007f88665f56c0(0000) GS:ffff88808cf1d000(0000) knlGS:0000000000000000 [ 74.630498][ T5331] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.633435][ T5331] CR2: 00007f88665b2ff8 CR3: 000000004053c000 CR4: 0000000000352ef0 [ 74.637049][ T5331] Call Trace: [ 74.638585][ T5331] [ 74.639911][ T5331] mesh_plink_frame_tx+0x748/0xc20 [ 74.642129][ T5331] ? __pfx_mesh_plink_frame_tx+0x10/0x10 [ 74.644668][ T5331] ? ieee80211_mps_set_sta_local_pm+0xb1/0x310 [ 74.647423][ T5331] mesh_plink_deactivate+0x18e/0x2f0 [ 74.649892][ T5331] mesh_sta_cleanup+0x42/0x150 [ 74.651951][ T5331] cleanup_single_sta+0x40f/0x660 [ 74.654178][ T5331] __sta_info_flush+0x5f1/0x720 [ 74.656102][ T5331] ? __pfx___sta_info_flush+0x10/0x10 [ 74.658550][ T5331] ieee80211_do_stop+0x3ca/0x1ff0 [ 74.660783][ T5331] ? trace_contention_end+0x39/0x100 [ 74.663248][ T5331] ? __pfx_ieee80211_do_stop+0x10/0x10 [ 74.665656][ T5331] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 74.668342][ T5331] ieee80211_stop+0x1b1/0x240 [ 74.670381][ T5331] ? __pfx_ieee80211_stop+0x10/0x10 [ 74.672777][ T5331] __dev_close_many+0x368/0x6d0 [ 74.674959][ T5331] ? __pfx___dev_close_many+0x10/0x10 [ 74.677287][ T5331] ? __dev_change_flags+0x1b0/0x690 [ 74.679522][ T5331] __dev_change_flags+0x2cb/0x690 [ 74.681691][ T5331] ? __pfx___dev_change_flags+0x10/0x10 [ 74.684367][ T5331] ? full_name_hash+0x92/0xe0 [ 74.686422][ T5331] netif_change_flags+0x88/0x1a0 [ 74.688754][ T5331] dev_change_flags+0x130/0x260 [ 74.691509][ T5331] dev_ioctl+0x7b4/0x1150 [ 74.693794][ T5331] sock_do_ioctl+0x23e/0x320 [ 74.695798][ T5331] ? __pfx_sock_do_ioctl+0x10/0x10 [ 74.698737][ T5331] ? do_futex+0x333/0x420 [ 74.700796][ T5331] sock_ioctl+0x5c6/0x7f0 [ 74.702835][ T5331] ? __pfx_sock_ioctl+0x10/0x10 [ 74.704922][ T5331] ? __fget_files+0x2a/0x420 [ 74.707136][ T5331] ? __fget_files+0x3a0/0x420 [ 74.709295][ T5331] ? __fget_files+0x2a/0x420 [ 74.711392][ T5331] ? bpf_lsm_file_ioctl+0x9/0x20 [ 74.713477][ T5331] ? __pfx_sock_ioctl+0x10/0x10 [ 74.715832][ T5331] __se_sys_ioctl+0xfc/0x170 [ 74.718001][ T5331] do_syscall_64+0xe2/0xf80 [ 74.720141][ T5331] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.722842][ T5331] ? trace_irq_disable+0x37/0x100 [ 74.725036][ T5331] ? clear_bhb_loop+0x60/0xb0 [ 74.727237][ T5331] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.729817][ T5331] RIP: 0033:0x7f886a19acb9 [ 74.731833][ T5331] 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 [ 74.740156][ T5331] RSP: 002b:00007f88665f5028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 74.743396][ T5331] RAX: ffffffffffffffda RBX: 00007f886a415fa0 RCX: 00007f886a19acb9 [ 74.746513][ T5331] RDX: 0000200000000000 RSI: 0000000000008914 RDI: 0000000000000004 [ 74.749886][ T5331] RBP: 00007f886a208bf7 R08: 0000000000000000 R09: 0000000000000000 [ 74.753378][ T5331] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 74.757324][ T5331] R13: 00007f886a416038 R14: 00007f886a415fa0 R15: 00007ffe3dda5508 [ 74.761148][ T5331] [ 74.762475][ T5331] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 74.765383][ T5331] CPU: 0 UID: 0 PID: 5331 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 74.769293][ T5331] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 74.773647][ T5331] Call Trace: [ 74.775141][ T5331] [ 74.776444][ T5331] vpanic+0x1e0/0x670 [ 74.778241][ T5331] panic+0xc5/0xd0 [ 74.779917][ T5331] ? __pfx_panic+0x10/0x10 [ 74.781782][ T5331] __warn+0x315/0x4a0 [ 74.783528][ T5331] ? ieee80211_tx_skb_tid+0x3b4/0x470 [ 74.785841][ T5331] ? ieee80211_tx_skb_tid+0x3b4/0x470 [ 74.788110][ T5331] __report_bug+0x29a/0x540 [ 74.790106][ T5331] ? ieee80211_tx_skb_tid+0x3b4/0x470 [ 74.792395][ T5331] ? __pfx___report_bug+0x10/0x10 [ 74.794618][ T5331] ? __lock_acquire+0x6b5/0x2cf0 [ 74.796799][ T5331] ? ieee80211_tx_skb_tid+0x3b4/0x470 [ 74.799349][ T5331] report_bug+0x16a/0x220 [ 74.801228][ T5331] ? ieee80211_tx_skb_tid+0x3b4/0x470 [ 74.803492][ T5331] ? ieee80211_tx_skb_tid+0x3b6/0x470 [ 74.805795][ T5331] handle_bug+0x98/0x200 [ 74.807622][ T5331] exc_invalid_op+0x1a/0x50 [ 74.809600][ T5331] asm_exc_invalid_op+0x1a/0x20 [ 74.811772][ T5331] RIP: 0010:ieee80211_tx_skb_tid+0x3b4/0x470 [ 74.814420][ T5331] Code: 6b a7 f6 e9 b1 fe ff ff e8 39 98 ca f6 90 0f 0b 90 e9 e2 fe ff ff e8 2b 98 ca f6 90 0f 0b 90 e9 2a fe ff ff e8 1d 98 ca f6 90 <0f> 0b 90 e8 c4 dd fd ff 31 ff 48 8b 34 24 ba 02 00 00 00 48 83 c4 [ 74.822580][ T5331] RSP: 0018:ffffc9000bd9f478 EFLAGS: 00010293 [ 74.825322][ T5331] RAX: ffffffff8af81043 RBX: ffffffff8af80cbf RCX: ffff88803731c980 [ 74.828703][ T5331] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 74.832197][ T5331] RBP: 00000000ffffffff R08: ffffffff8af80cbf R09: ffffffff8e35a360 [ 74.835813][ T5331] R10: dffffc0000000000 R11: ffffed1003486e26 R12: ffff888038418d80 [ 74.839209][ T5331] R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000 [ 74.842626][ T5331] ? ieee80211_tx_skb_tid+0x2f/0x470 [ 74.845042][ T5331] ? ieee80211_tx_skb_tid+0x2f/0x470 [ 74.847394][ T5331] ? ieee80211_tx_skb_tid+0x3b3/0x470 [ 74.849711][ T5331] ? ieee80211_tx_skb_tid+0x3b3/0x470 [ 74.852036][ T5331] mesh_plink_frame_tx+0x748/0xc20 [ 74.854231][ T5331] ? __pfx_mesh_plink_frame_tx+0x10/0x10 [ 74.856553][ T5331] ? ieee80211_mps_set_sta_local_pm+0xb1/0x310 [ 74.859627][ T5331] mesh_plink_deactivate+0x18e/0x2f0 [ 74.861923][ T5331] mesh_sta_cleanup+0x42/0x150 [ 74.864087][ T5331] cleanup_single_sta+0x40f/0x660 [ 74.866235][ T5331] __sta_info_flush+0x5f1/0x720 [ 74.868288][ T5331] ? __pfx___sta_info_flush+0x10/0x10 [ 74.870563][ T5331] ieee80211_do_stop+0x3ca/0x1ff0 [ 74.872754][ T5331] ? trace_contention_end+0x39/0x100 [ 74.875066][ T5331] ? __pfx_ieee80211_do_stop+0x10/0x10 [ 74.877505][ T5331] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 74.879972][ T5331] ieee80211_stop+0x1b1/0x240 [ 74.882081][ T5331] ? __pfx_ieee80211_stop+0x10/0x10 [ 74.884839][ T5331] __dev_close_many+0x368/0x6d0 [ 74.887299][ T5331] ? __pfx___dev_close_many+0x10/0x10 [ 74.889608][ T5331] ? __dev_change_flags+0x1b0/0x690 [ 74.891930][ T5331] __dev_change_flags+0x2cb/0x690 [ 74.894036][ T5331] ? __pfx___dev_change_flags+0x10/0x10 [ 74.896438][ T5331] ? full_name_hash+0x92/0xe0 [ 74.898555][ T5331] netif_change_flags+0x88/0x1a0 [ 74.900693][ T5331] dev_change_flags+0x130/0x260 [ 74.903109][ T5331] dev_ioctl+0x7b4/0x1150 [ 74.904928][ T5331] sock_do_ioctl+0x23e/0x320 [ 74.907012][ T5331] ? __pfx_sock_do_ioctl+0x10/0x10 [ 74.909181][ T5331] ? do_futex+0x333/0x420 [ 74.911142][ T5331] sock_ioctl+0x5c6/0x7f0 [ 74.913014][ T5331] ? __pfx_sock_ioctl+0x10/0x10 [ 74.915199][ T5331] ? __fget_files+0x2a/0x420 [ 74.917243][ T5331] ? __fget_files+0x3a0/0x420 [ 74.919364][ T5331] ? __fget_files+0x2a/0x420 [ 74.921427][ T5331] ? bpf_lsm_file_ioctl+0x9/0x20 [ 74.923762][ T5331] ? __pfx_sock_ioctl+0x10/0x10 [ 74.926337][ T5331] __se_sys_ioctl+0xfc/0x170 [ 74.928616][ T5331] do_syscall_64+0xe2/0xf80 [ 74.930587][ T5331] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.933200][ T5331] ? trace_irq_disable+0x37/0x100 [ 74.935441][ T5331] ? clear_bhb_loop+0x60/0xb0 [ 74.937516][ T5331] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.940000][ T5331] RIP: 0033:0x7f886a19acb9 [ 74.941951][ T5331] 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 [ 74.954133][ T5331] RSP: 002b:00007f88665f5028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 74.957752][ T5331] RAX: ffffffffffffffda RBX: 00007f886a415fa0 RCX: 00007f886a19acb9 [ 74.961153][ T5331] RDX: 0000200000000000 RSI: 0000000000008914 RDI: 0000000000000004 [ 74.964564][ T5331] RBP: 00007f886a208bf7 R08: 0000000000000000 R09: 0000000000000000 [ 74.968100][ T5331] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 74.971359][ T5331] R13: 00007f886a416038 R14: 00007f886a415fa0 R15: 00007ffe3dda5508 [ 74.974713][ T5331] [ 74.976418][ T5331] Kernel Offset: disabled [ 74.978342][ T5331] Rebooting in 86400 seconds..