Warning: Permanently added '10.128.0.231' (ECDSA) to the list of known hosts. executing program [ 40.581299][ T22] audit: type=1400 audit(1646716901.939:73): avc: denied { execmem } for pid=298 comm="syz-executor325" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 40.600992][ T22] audit: type=1400 audit(1646716901.939:74): avc: denied { read write } for pid=298 comm="syz-executor325" name="raw-gadget" dev="devtmpfs" ino=913 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 40.624874][ T22] audit: type=1400 audit(1646716901.939:75): avc: denied { open } for pid=298 comm="syz-executor325" path="/dev/raw-gadget" dev="devtmpfs" ino=913 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 40.648580][ T22] audit: type=1400 audit(1646716901.939:76): avc: denied { ioctl } for pid=298 comm="syz-executor325" path="/dev/raw-gadget" dev="devtmpfs" ino=913 ioctlcmd=0x5500 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 40.846170][ T118] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 41.206256][ T118] usb 1-1: config 1 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 41.376241][ T118] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 41.385273][ T118] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 41.393472][ T118] usb 1-1: Product: syz [ 41.397732][ T118] usb 1-1: Manufacturer: syz [ 41.402371][ T118] usb 1-1: SerialNumber: syz [ 41.646532][ T299] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 42.886208][ T118] cdc_ncm 1-1:1.0: MAC-Address: 42:42:42:42:42:42 [ 42.892817][ T118] cdc_ncm 1-1:1.0: dwNtbInMaxSize=0 is too small. Using 2048 [ 42.900263][ T118] cdc_ncm 1-1:1.0: setting rx_max = 2048 [ 43.109936][ T118] cdc_ncm 1-1:1.0 usb0: register 'cdc_ncm' at usb-dummy_hcd.0-1, CDC NCM, 42:42:42:42:42:42 [ 43.124175][ T22] audit: type=1400 audit(1646716904.479:77): avc: denied { read } for pid=193 comm="dhcpcd" scontext=system_u:system_r:dhcpc_t tcontext=system_u:system_r:dhcpc_t tclass=netlink_kobject_uevent_socket permissive=1 [ 43.376162][ T118] IPv6: ADDRCONF(NETDEV_CHANGE): usb0: link becomes ready [ 43.416241][ C0] skbuff: skb_over_panic: text:ffffffff82b1da03 len:184 put:172 head:ffff8881de155800 data:ffff8881de155800 tail:0xb8 end:0x80 dev: [ 43.430480][ C0] ------------[ cut here ]------------ [ 43.435923][ C0] kernel BUG at net/core/skbuff.c:109! [ 43.441381][ C0] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 43.447421][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.4.161-syzkaller-00026-g8a3679a75730 #0 [ 43.456950][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.467056][ C0] RIP: 0010:skb_panic+0x14d/0x150 [ 43.472051][ C0] Code: 48 8b 74 24 08 48 8b 54 24 10 8b 0c 24 44 8b 44 24 04 49 89 e9 b8 00 00 00 00 53 41 55 41 54 41 57 e8 73 ba ed fd 48 83 c4 20 <0f> 0b 90 55 41 57 41 56 41 55 41 54 53 48 83 ec 68 4d 89 cd 4c 89 [ 43.491804][ C0] RSP: 0018:ffff8881f6e09460 EFLAGS: 00010286 [ 43.497852][ C0] RAX: 0000000000000087 RBX: ffffffff851bf880 RCX: 14f357df9782d200 [ 43.505805][ C0] RDX: 0000000000000704 RSI: 0000000000000704 RDI: 0000000000000000 [ 43.513745][ C0] RBP: ffff8881de155800 R08: ffffffff814b15ec R09: ffffed103edcaa08 [ 43.521685][ C0] R10: ffffed103edcaa08 R11: 0000000000000000 R12: 00000000000000b8 [ 43.529631][ C0] R13: 0000000000000080 R14: dffffc0000000000 R15: ffff8881de155800 [ 43.537571][ C0] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 43.546467][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.553020][ C0] CR2: 00007f91d2c37ff8 CR3: 00000001e052f000 CR4: 00000000003406f0 [ 43.561047][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.569005][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.576942][ C0] Call Trace: [ 43.580196][ C0] [ 43.583028][ C0] ? cdc_ncm_fill_tx_frame+0xcf3/0x2be0 [ 43.588543][ C0] ? cdc_ncm_fill_tx_frame+0xcf3/0x2be0 [ 43.594072][ C0] skb_over_panic+0x25/0x30 [ 43.598544][ C0] ? cdc_ncm_fill_tx_frame+0xcf3/0x2be0 [ 43.604056][ C0] skb_put+0x1e0/0x1e0 [ 43.608095][ C0] cdc_ncm_fill_tx_frame+0xcf3/0x2be0 [ 43.613438][ C0] cdc_ncm_tx_fixup+0x62/0xa0 [ 43.618096][ C0] usbnet_start_xmit+0x107/0x1a40 [ 43.623088][ C0] ? __kasan_kmalloc+0x1a3/0x1e0 [ 43.627994][ C0] ? netif_skb_features+0x550/0x9a0 [ 43.633159][ C0] ? check_preemption_disabled+0x51/0x2c0 [ 43.638848][ C0] xmit_one+0xfa/0x470 [ 43.642885][ C0] dev_hard_start_xmit+0xac/0x1b0 [ 43.647881][ C0] sch_direct_xmit+0x212/0x930 [ 43.652615][ C0] __qdisc_run+0x1ea/0x3a0 [ 43.657013][ C0] __dev_queue_xmit+0xc07/0x2c30 [ 43.661935][ C0] ip6_finish_output2+0xf45/0x1810 [ 43.667014][ C0] ip6_output+0x158/0x380 [ 43.671309][ C0] ? ip6_output+0x380/0x380 [ 43.675785][ C0] mld_sendpack+0x540/0xa20 [ 43.680270][ C0] ? mld_send_report+0x220/0x220 [ 43.685179][ C0] mld_ifc_timer_expire+0x804/0xb30 [ 43.690361][ C0] ? mld_gq_timer_expire+0x80/0x80 [ 43.695444][ C0] call_timer_fn+0x30/0x330 [ 43.699932][ C0] ? mld_gq_timer_expire+0x80/0x80 [ 43.705019][ C0] expire_timers+0x21e/0x3f0 [ 43.709589][ C0] __run_timers+0x573/0x670 [ 43.714079][ C0] run_timer_softirq+0x46/0x80 [ 43.718811][ C0] __do_softirq+0x23e/0x615 [ 43.723298][ C0] irq_exit+0x195/0x1c0 [ 43.727425][ C0] smp_apic_timer_interrupt+0x113/0x420 [ 43.732938][ C0] apic_timer_interrupt+0xf/0x20 [ 43.737929][ C0] [ 43.740839][ C0] RIP: 0010:default_idle+0x1f/0x30 [ 43.745929][ C0] Code: 90 90 90 90 90 90 90 90 90 90 90 e8 db 45 fb fd bf 01 00 00 00 89 c6 e8 1f 9b 03 fd e9 07 00 00 00 0f 00 2d 63 50 62 00 fb f4 bc 45 fb fd bf ff ff ff ff 89 c6 e9 00 9b 03 fd 41 57 41 56 53 [ 43.765677][ C0] RSP: 0018:ffffffff85c07e88 EFLAGS: 00000296 ORIG_RAX: ffffffffffffff13 [ 43.774154][ C0] RAX: 0000000000000000 RBX: ffffffff85c18a40 RCX: ffffffff85c18a40 [ 43.782095][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 43.790121][ C0] RBP: 0000000000000000 R08: ffffffff821f62c4 R09: fffffbfff0b83149 [ 43.798071][ C0] R10: fffffbfff0b83149 R11: 0000000000000000 R12: 0000000000000000 [ 43.806017][ C0] R13: 1ffffffff0b83148 R14: ffffffff862755e0 R15: dffffc0000000000 [ 43.813966][ C0] ? check_preemption_disabled+0x44/0x2c0 [ 43.819663][ C0] ? default_idle+0x11/0x30 [ 43.824136][ C0] do_idle+0x1c3/0x530 [ 43.828181][ C0] cpu_startup_entry+0x15/0x20 [ 43.833037][ C0] ? time_init+0x33/0x33 [ 43.837246][ C0] start_kernel+0x6e0/0x78b [ 43.841722][ C0] secondary_startup_64+0xa4/0xb0 [ 43.846711][ C0] Modules linked in: [ 43.850627][ C0] ---[ end trace 245e26b37aea60a4 ]--- [ 43.856097][ C0] RIP: 0010:skb_panic+0x14d/0x150 [ 43.861292][ C0] Code: 48 8b 74 24 08 48 8b 54 24 10 8b 0c 24 44 8b 44 24 04 49 89 e9 b8 00 00 00 00 53 41 55 41 54 41 57 e8 73 ba ed fd 48 83 c4 20 <0f> 0b 90 55 41 57 41 56 41 55 41 54 53 48 83 ec 68 4d 89 cd 4c 89 [ 43.880902][ C0] RSP: 0018:ffff8881f6e09460 EFLAGS: 00010286 [ 43.886960][ C0] RAX: 0000000000000087 RBX: ffffffff851bf880 RCX: 14f357df9782d200 [ 43.894994][ C0] RDX: 0000000000000704 RSI: 0000000000000704 RDI: 0000000000000000 [ 43.902956][ C0] RBP: ffff8881de155800 R08: ffffffff814b15ec R09: ffffed103edcaa08 [ 43.910920][ C0] R10: ffffed103edcaa08 R11: 0000000000000000 R12: 00000000000000b8 [ 43.918908][ C0] R13: 0000000000000080 R14: dffffc0000000000 R15: ffff8881de155800 [ 43.926895][ C0] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 43.935812][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.942382][ C0] CR2: 00007f91d2c37ff8 CR3: 00000001e052f000 CR4: 00000000003406f0 [ 43.950534][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.958516][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.966481][ C0] Kernel panic - not syncing: Fatal exception in interrupt [ 43.973849][ C0] Kernel Offset: disabled [ 43.978177][ C0] Rebooting in 86400 seconds..