program: r0 = syz_init_net_socket$x25(0x9, 0x5, 0x0) r1 = gettid() timer_create(0x1, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc)) timer_settime(0x0, 0x0, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) r2 = syz_open_dev$dri(&(0x7f0000000040), 0x20, 0x88401) ioctl$DRM_IOCTL_SYNCOBJ_CREATE(r2, 0xc00864bf, &(0x7f0000000240)={0x0}) ioctl$DRM_IOCTL_SYNCOBJ_CREATE(r2, 0xc00864bf, &(0x7f0000000000)={0x0, 0x1}) ioctl$DRM_IOCTL_SYNCOBJ_WAIT(r2, 0xc02864c3, &(0x7f0000000400)={&(0x7f00000001c0)=[r3], 0x800000000000002, 0x1, 0xb}) ioctl$DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL(r2, 0xc01864cd, &(0x7f0000000180)={&(0x7f0000000080)=[r3], 0x0, 0x1}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r5 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d) ioctl$sock_netdev_private(r5, 0x8914, &(0x7f0000000000)) r6 = syz_init_net_socket$rose(0xb, 0x5, 0x0) ioctl$sock_rose_SIOCADDRT(r6, 0x890b, &(0x7f0000000380)={@remote={0xcc, 0xcc, 0xcc, 0xcc, 0x0}, 0x6, @null, @bpq0, 0x0, [@bcast, @bcast, @null, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bcast, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}]}) r7 = syz_init_net_socket$rose(0xb, 0x5, 0x0) connect$rose(r7, &(0x7f0000000040)=@short={0xb, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, 0x1, @null}, 0x1c) r8 = syz_init_net_socket$ax25(0x3, 0x2, 0xce) bind$ax25(r8, &(0x7f0000000380)={{0x3, @default, 0x2}, [@rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @default, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x2}, @bcast]}, 0x48) connect$rose(r7, &(0x7f0000000240)=@short={0xb, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0x2}, @bcast, 0x1, @null}, 0x1c) ioctl$sock_ifreq(r0, 0x8990, &(0x7f0000000180)={'bond0\x00', @ifru_names='rose0\x00'}) [ 109.880191][ T5302] Bluetooth: hci0: command tx timeout [ 110.094440][ T5329] 8021q: adding VLAN 0 to HW filter on device bond0 [ 110.115615][ T5329] bond0: (slave rose0): Enslaving as an active interface with an up link [ 110.128806][ T5327] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] SMP KASAN NOPTI [ 110.134466][ T5327] KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037] [ 110.139198][ T5327] CPU: 0 UID: 0 PID: 5327 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 110.143696][ T5327] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 110.148745][ T5327] RIP: 0010:rose_transmit_link+0x32/0xac0 [ 110.152243][ T5327] Code: 56 41 55 41 54 53 48 83 ec 40 48 89 f3 48 89 fd 49 bc 00 00 00 00 00 fc ff df e8 39 ca 2d f7 4c 8d 73 36 4c 89 f0 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 13 09 00 00 45 0f b6 36 31 ff 44 89 f6 [ 110.161387][ T5327] RSP: 0018:ffffc9000f587b08 EFLAGS: 00010207 [ 110.164040][ T5327] RAX: 0000000000000006 RBX: 0000000000000000 RCX: ffff88803d0d0000 [ 110.167840][ T5327] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880427c18c0 [ 110.171450][ T5327] RBP: ffff8880427c18c0 R08: ffff88803d0d0000 R09: 0000000000000008 [ 110.175303][ T5327] R10: 000000000000000f R11: 0000000000000000 R12: dffffc0000000000 [ 110.179718][ T5327] R13: dffffc0000000000 R14: 0000000000000036 R15: 1ffff92001eb0f80 [ 110.184434][ T5327] FS: 000055557a5c5540(0000) GS:ffff88808ca56000(0000) knlGS:0000000000000000 [ 110.188000][ T5327] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 110.190665][ T5327] CR2: 00007f01ebe92c80 CR3: 0000000044c41000 CR4: 0000000000352ef0 [ 110.193994][ T5327] Call Trace: [ 110.195806][ T5327] [ 110.197331][ T5327] ? __alloc_skb+0x4e5/0x7d0 [ 110.199642][ T5327] ? skb_put+0x11b/0x210 [ 110.201800][ T5327] rose_write_internal+0x1256/0x1b60 [ 110.204103][ T5327] ? lockdep_hardirqs_on+0x7a/0x110 [ 110.206307][ T5327] ? __pfx_rose_write_internal+0x10/0x10 [ 110.208714][ T5327] ? timer_delete+0x245/0x340 [ 110.211176][ T5327] rose_release+0x25b/0x510 [ 110.213986][ T5327] sock_close+0xc3/0x240 [ 110.216155][ T5327] ? __pfx_sock_close+0x10/0x10 [ 110.218291][ T5327] __fput+0x44f/0xa70 [ 110.219954][ T5327] task_work_run+0x1d9/0x270 [ 110.222022][ T5327] ? __pfx_task_work_run+0x10/0x10 [ 110.224326][ T5327] exit_to_user_mode_loop+0xed/0x480 [ 110.226824][ T5327] ? rcu_is_watching+0x15/0xb0 [ 110.229404][ T5327] do_syscall_64+0x32d/0xf80 [ 110.231953][ T5327] ? trace_irq_disable+0x3b/0x150 [ 110.234574][ T5327] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 110.237411][ T5327] ? clear_bhb_loop+0x40/0x90 [ 110.239627][ T5327] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 110.242119][ T5327] RIP: 0033:0x7f6789f9c799 [ 110.244195][ T5327] 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 [ 110.254452][ T5327] RSP: 002b:00007fff66452338 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 [ 110.258299][ T5327] RAX: 0000000000000000 RBX: 00007fff66452420 RCX: 00007f6789f9c799 [ 110.262286][ T5327] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 [ 110.266590][ T5327] RBP: 000000000001acbf R08: 0000000000000001 R09: 0000000000000000 [ 110.270249][ T5327] R10: 00007f6789dff030 R11: 0000000000000246 R12: 00007fff66452460 [ 110.273805][ T5327] R13: 00007f678a21609c R14: 000000000001ad74 R15: 00007f678a216090 [ 110.278218][ T5327] [ 110.279760][ T5327] Modules linked in: [ 110.282191][ T5327] ---[ end trace 0000000000000000 ]--- [ 110.364232][ T5327] RIP: 0010:rose_transmit_link+0x32/0xac0 [ 110.367022][ T5327] Code: 56 41 55 41 54 53 48 83 ec 40 48 89 f3 48 89 fd 49 bc 00 00 00 00 00 fc ff df e8 39 ca 2d f7 4c 8d 73 36 4c 89 f0 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 13 09 00 00 45 0f b6 36 31 ff 44 89 f6 [ 110.395774][ T5327] RSP: 0018:ffffc9000f587b08 EFLAGS: 00010207 [ 110.399615][ T5327] RAX: 0000000000000006 RBX: 0000000000000000 RCX: ffff88803d0d0000 [ 110.413670][ T5327] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880427c18c0 [ 110.429421][ T5327] RBP: ffff8880427c18c0 R08: ffff88803d0d0000 R09: 0000000000000008 [ 110.439065][ T5327] R10: 000000000000000f R11: 0000000000000000 R12: dffffc0000000000 [ 110.449231][ T5327] R13: dffffc0000000000 R14: 0000000000000036 R15: 1ffff92001eb0f80 [ 110.455471][ T5327] FS: 000055557a5c5540(0000) GS:ffff88808ca56000(0000) knlGS:0000000000000000 [ 110.469141][ T5327] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 110.472133][ T5327] CR2: 00007f32fd2a9c18 CR3: 0000000044c41000 CR4: 0000000000352ef0 [ 110.486481][ T5327] Kernel panic - not syncing: Fatal exception [ 110.489694][ T5327] Kernel Offset: disabled [ 110.492081][ T5327] Rebooting in 86400 seconds..