program: r0 = mmap$KVM_VCPU(&(0x7f0000ffc000/0x4000)=nil, 0x0, 0x1000004, 0x10010, 0xffffffffffffffff, 0x0) syz_memcpy_off$KVM_EXIT_MMIO(r0, 0x20, &(0x7f00000000c0)="d6f3f32b27b69c3d251216a7ab09a190fda6d624c63fe15d", 0x0, 0x18) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'lo\x00'}) r2 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d) ioctl$sock_netdev_private(r2, 0x8914, &(0x7f0000000000)) r3 = syz_init_net_socket$rose(0xb, 0x5, 0x0) ioctl$sock_rose_SIOCADDRT(r3, 0x890b, &(0x7f0000000380)={@remote={0xcc, 0xcc, 0xcc, 0xcc, 0x0}, 0x6, @null, @bpq0, 0x0, [@bcast, @bcast, @null, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @bcast, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}]}) r4 = syz_init_net_socket$rose(0xb, 0x5, 0x0) connect$rose(r4, &(0x7f0000000040)=@short={0xb, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, 0x1, @default}, 0x1c) connect$rose(r4, &(0x7f0000000100)=@full={0xb, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0x3}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, 0x0, [@null, @null, @null, @default, @bcast, @default]}, 0x40) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x0, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="180100001c0000000000000000000000850000006d00000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x90) r5 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x11, 0x4, &(0x7f00000002c0)=ANY=[], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f0000000980)='sys_exit\x00', r5}, 0x10) syz_emit_vhci(&(0x7f0000000340)=ANY=[@ANYBLOB="040e0c062f20"], 0xf) connect$rose(r4, &(0x7f0000000080)=@short={0xb, @dev={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @null, 0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}}, 0x1c) r6 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000000)={0x1, &(0x7f0000000100)=[{0x6}]}) ioctl$EVIOCSCLOCKID(0xffffffffffffffff, 0x400445a0, 0x0) close_range(r6, 0xffffffffffffffff, 0x0) [ 133.369898][ T4669] Bluetooth: hci0: command tx timeout [ 133.569848][ T24] audit: type=1326 audit(1773092557.795:2): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined pid=5334 comm="syz.0.0" exe="/syz-executor" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f90ea59c799 code=0x0 [ 133.677891][ T5339] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] SMP KASAN NOPTI [ 133.683350][ T5339] KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037] [ 133.687271][ T5339] CPU: 0 UID: 0 PID: 5339 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 133.691790][ T5339] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 133.697071][ T5339] RIP: 0010:rose_transmit_link+0x32/0xac0 [ 133.699820][ T5339] 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 b9 c8 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 [ 133.709820][ T5339] RSP: 0018:ffffc9000f67fb08 EFLAGS: 00010207 [ 133.712797][ T5339] RAX: 0000000000000006 RBX: 0000000000000000 RCX: 0000000000100000 [ 133.716109][ T5339] RDX: ffffc90020802000 RSI: 0000000000000aec RDI: 0000000000000aed [ 133.719446][ T5339] RBP: ffff88803780edc0 R08: ffff888043374980 R09: 0000000000000008 [ 133.722793][ T5339] R10: 000000000000000f R11: 0000000000000002 R12: dffffc0000000000 [ 133.726386][ T5339] R13: dffffc0000000000 R14: 0000000000000036 R15: 1ffff92001ecff80 [ 133.730042][ T5339] FS: 00007f90eb4c96c0(0000) GS:ffff88808ca57000(0000) knlGS:0000000000000000 [ 133.734063][ T5339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 133.736983][ T5339] CR2: 00007f90eb4c8fe8 CR3: 0000000011fe4000 CR4: 0000000000352ef0 [ 133.740683][ T5339] Call Trace: [ 133.742155][ T5339] [ 133.743478][ T5339] ? __alloc_skb+0x4e5/0x7d0 [ 133.745761][ T5339] ? skb_put+0x11b/0x210 [ 133.747755][ T5339] rose_write_internal+0x1256/0x1b60 [ 133.750215][ T5339] ? lockdep_hardirqs_on+0x7a/0x110 [ 133.752669][ T5339] ? __pfx_rose_write_internal+0x10/0x10 [ 133.755227][ T5339] ? timer_delete+0x245/0x340 [ 133.757574][ T5339] rose_release+0x25b/0x510 [ 133.760133][ T5339] sock_close+0xc3/0x240 [ 133.762524][ T5339] ? __pfx_sock_close+0x10/0x10 [ 133.765231][ T5339] __fput+0x44f/0xa70 [ 133.767351][ T5339] task_work_run+0x1d9/0x270 [ 133.769360][ T5339] ? __pfx_task_work_run+0x10/0x10 [ 133.771841][ T5339] ? trace_syscall_exit+0x57/0x100 [ 133.774454][ T5339] exit_to_user_mode_loop+0xed/0x480 [ 133.777228][ T5339] ? rcu_is_watching+0x15/0xb0 [ 133.779794][ T5339] do_syscall_64+0x32d/0xf80 [ 133.782286][ T5339] ? trace_irq_disable+0x3b/0x150 [ 133.784745][ T5339] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 133.787735][ T5339] ? clear_bhb_loop+0x40/0x90 [ 133.790015][ T5339] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 133.793041][ T5339] RIP: 0033:0x7f90ea59c799 [ 133.795189][ T5339] 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 [ 133.806779][ T5339] RSP: 002b:00007f90eb4c8fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 [ 133.810536][ T5339] RAX: 0000000000000000 RBX: 00007f90ea816180 RCX: 00007f90ea59c799 [ 133.814402][ T5339] RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000000000000 [ 133.817931][ T5339] RBP: 00007f90ea632bd9 R08: 0000000000000000 R09: 0000000000000000 [ 133.821610][ T5339] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 133.826027][ T5339] R13: 00007f90ea816218 R14: 00007f90ea816180 R15: 00007ffdaa05f868 [ 133.830707][ T5339] [ 133.832236][ T5339] Modules linked in: [ 133.834801][ T5339] ---[ end trace 0000000000000000 ]--- [ 133.850804][ T5339] RIP: 0010:rose_transmit_link+0x32/0xac0 [ 133.853928][ T5339] 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 b9 c8 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 [ 133.866919][ T5339] RSP: 0018:ffffc9000f67fb08 EFLAGS: 00010207 [ 133.870943][ T5339] RAX: 0000000000000006 RBX: 0000000000000000 RCX: 0000000000100000 [ 133.874799][ T5339] RDX: ffffc90020802000 RSI: 0000000000000aec RDI: 0000000000000aed [ 133.878615][ T5339] RBP: ffff88803780edc0 R08: ffff888043374980 R09: 0000000000000008 [ 133.883763][ T5339] R10: 000000000000000f R11: 0000000000000002 R12: dffffc0000000000 [ 133.889228][ T5339] R13: dffffc0000000000 R14: 0000000000000036 R15: 1ffff92001ecff80 [ 133.892751][ T5339] FS: 00007f90eb4c96c0(0000) GS:ffff88808ca57000(0000) knlGS:0000000000000000 [ 133.897162][ T5339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 133.900747][ T5339] CR2: 00005622177cb5d0 CR3: 0000000011fe4000 CR4: 0000000000352ef0 [ 133.905519][ T5339] Kernel panic - not syncing: Fatal exception [ 133.908917][ T5339] Kernel Offset: disabled [ 133.910822][ T5339] Rebooting in 86400 seconds..