Warning: Permanently added '10.128.0.18' (ECDSA) to the list of known hosts. [ 93.480972][ T26] audit: type=1400 audit(1579559577.978:42): avc: denied { map } for pid=7239 comm="syz-executor190" path="/root/syz-executor190748671" dev="sda1" ino=16461 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 executing program [ 100.330993][ T7240] IPVS: ftp: loaded support on port[0] = 21 [ 100.343115][ T26] audit: type=1400 audit(1579559584.848:43): avc: denied { create } for pid=7240 comm="syz-executor190" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 100.346393][ T7241] FAULT_INJECTION: forcing a failure. [ 100.346393][ T7241] name failslab, interval 1, probability 0, space 0, times 1 [ 100.368793][ T26] audit: type=1400 audit(1579559584.848:44): avc: denied { write } for pid=7240 comm="syz-executor190" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 100.382459][ T7241] CPU: 1 PID: 7241 Comm: syz-executor190 Not tainted 5.5.0-rc7-syzkaller #0 [ 100.408962][ T26] audit: type=1400 audit(1579559584.848:45): avc: denied { read } for pid=7240 comm="syz-executor190" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 100.417760][ T7241] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 100.417763][ T7241] Call Trace: [ 100.417773][ T7241] dump_stack+0xbc/0xe6 [ 100.417783][ T7241] should_fail.cold+0x3c/0x49 [ 100.417790][ T7241] __should_failslab+0x65/0xa0 [ 100.417801][ T7241] should_failslab+0x9/0x14 [ 100.477740][ T7241] kmem_cache_alloc+0x26/0x2c0 [ 100.482811][ T7241] create_object+0x3d/0x360 [ 100.487287][ T7241] kmemleak_alloc+0x21/0x30 [ 100.491776][ T7241] kmem_cache_alloc_trace+0x145/0x2c0 [ 100.497569][ T7241] __hw_addr_create_ex+0x3f/0xe0 [ 100.502597][ T7241] __hw_addr_add_ex+0x114/0x160 [ 100.507426][ T7241] dev_addr_init+0x7c/0xc0 [ 100.511963][ T7241] alloc_netdev_mqs+0xcb/0x4b0 [ 100.516825][ T7241] ? slcan_change_mtu+0x10/0x10 [ 100.522178][ T7241] slcan_open+0x16f/0x350 [ 100.526582][ T7241] ? slcan_hangup+0x20/0x20 [ 100.531113][ T7241] tty_ldisc_open.isra.0+0x40/0x70 [ 100.536277][ T7241] tty_set_ldisc+0x149/0x240 [ 100.540894][ T7241] tty_ioctl+0x366/0xa30 [ 100.545659][ T7241] ? tty_vhangup+0x30/0x30 [ 100.550093][ T7241] do_vfs_ioctl+0x551/0x890 [ 100.554670][ T7241] ? tomoyo_file_ioctl+0x23/0x30 [ 100.559613][ T7241] ksys_ioctl+0x86/0xb0 [ 100.563842][ T7241] __x64_sys_ioctl+0x1e/0x30 [ 100.568493][ T7241] do_syscall_64+0x73/0x220 [ 100.573336][ T7241] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 100.579224][ T7241] RIP: 0033:0x441df9 [ 100.583206][ T7241] Code: e8 6c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 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 0f 83 cb 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 100.603047][ T7241] RSP: 002b:00007ffc4496e5a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 100.611679][ T7241] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441df9 [ 100.619720][ T7241] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 100.628269][ T7241] RBP: 00007ffc4496e600 R08: 0000000000000002 R09: 0000000000000000 [ 100.636307][ T7241] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 100.644272][ T7241] R13: 0000000000000004 R14: 00007ffc4496e600 R15: 0000000000000000 executing program [ 106.655218][ T7253] FAULT_INJECTION: forcing a failure. [ 106.655218][ T7253] name failslab, interval 1, probability 0, space 0, times 0 [ 106.668917][ T7253] CPU: 1 PID: 7253 Comm: syz-executor190 Not tainted 5.5.0-rc7-syzkaller #0 [ 106.677748][ T7253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 106.688131][ T7253] Call Trace: [ 106.691518][ T7253] dump_stack+0xbc/0xe6 [ 106.696690][ T7253] should_fail.cold+0x3c/0x49 [ 106.701466][ T7253] __should_failslab+0x65/0xa0 [ 106.706409][ T7253] should_failslab+0x9/0x14 [ 106.711236][ T7253] kmem_cache_alloc+0x26/0x2c0 [ 106.716287][ T7253] create_object+0x3d/0x360 [ 106.720939][ T7253] kmemleak_alloc+0x21/0x30 [ 106.726529][ T7253] __kmalloc_track_caller+0x165/0x300 [ 106.731896][ T7253] ? kstrdup_const+0x48/0x60 [ 106.736468][ T7253] kstrdup+0x3a/0x70 [ 106.740411][ T7253] kstrdup_const+0x48/0x60 [ 106.745579][ T7253] kvasprintf_const+0x7e/0xe0 [ 106.750586][ T7253] kobject_set_name_vargs+0x40/0xe0 [ 106.755880][ T7253] dev_set_name+0x63/0x90 [ 106.760327][ T7253] netdev_register_kobject+0x5a/0x1b0 [ 106.766551][ T7253] register_netdevice+0x1ce/0x650 [ 106.771621][ T7253] ? alloc_netdev_mqs+0x3d4/0x4b0 [ 106.777216][ T7253] slcan_open+0x288/0x350 [ 106.781635][ T7253] ? slcan_hangup+0x20/0x20 [ 106.787292][ T7253] tty_ldisc_open.isra.0+0x40/0x70 [ 106.792822][ T7253] tty_set_ldisc+0x149/0x240 [ 106.797765][ T7253] tty_ioctl+0x366/0xa30 [ 106.802098][ T7253] ? tty_vhangup+0x30/0x30 [ 106.806680][ T7253] do_vfs_ioctl+0x551/0x890 [ 106.811665][ T7253] ? tomoyo_file_ioctl+0x23/0x30 [ 106.816741][ T7253] ksys_ioctl+0x86/0xb0 [ 106.820982][ T7253] __x64_sys_ioctl+0x1e/0x30 [ 106.826619][ T7253] do_syscall_64+0x73/0x220 [ 106.831128][ T7253] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 106.837093][ T7253] RIP: 0033:0x441df9 [ 106.840981][ T7253] Code: e8 6c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 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 0f 83 cb 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 106.861885][ T7253] RSP: 002b:00007ffc4496e5a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 106.870362][ T7253] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441df9 [ 106.878715][ T7253] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 106.886937][ T7253] RBP: 00007ffc4496e600 R08: 0000000000000002 R09: 0000000000000000 [ 106.895207][ T7253] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 106.903359][ T7253] R13: 0000000000000004 R14: 00007ffc4496e600 R15: 0000000000000000 executing program [ 112.907233][ T7265] FAULT_INJECTION: forcing a failure. [ 112.907233][ T7265] name failslab, interval 1, probability 0, space 0, times 0 [ 112.920188][ T7265] CPU: 0 PID: 7265 Comm: syz-executor190 Not tainted 5.5.0-rc7-syzkaller #0 [ 112.928991][ T7265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 112.939532][ T7265] Call Trace: [ 112.942811][ T7265] dump_stack+0xbc/0xe6 [ 112.946974][ T7265] should_fail.cold+0x3c/0x49 [ 112.951642][ T7265] __should_failslab+0x65/0xa0 [ 112.956383][ T7265] should_failslab+0x9/0x14 [ 112.960932][ T7265] kmem_cache_alloc+0x26/0x2c0 [ 112.965674][ T7265] create_object+0x3d/0x360 [ 112.970154][ T7265] kmemleak_alloc+0x21/0x30 [ 112.974645][ T7265] __kmalloc_track_caller+0x165/0x300 [ 112.980169][ T7265] ? kstrdup_const+0x48/0x60 [ 112.984840][ T7265] kstrdup+0x3a/0x70 [ 112.988707][ T7265] kstrdup_const+0x48/0x60 [ 112.993104][ T7265] kvasprintf_const+0x7e/0xe0 [ 112.997758][ T7265] kobject_set_name_vargs+0x40/0xe0 [ 113.002940][ T7265] dev_set_name+0x63/0x90 [ 113.008452][ T7265] netdev_register_kobject+0x5a/0x1b0 [ 113.013963][ T7265] register_netdevice+0x1ce/0x650 [ 113.019006][ T7265] ? alloc_netdev_mqs+0x3d4/0x4b0 [ 113.024007][ T7265] slcan_open+0x288/0x350 [ 113.028324][ T7265] ? slcan_hangup+0x20/0x20 [ 113.032806][ T7265] tty_ldisc_open.isra.0+0x40/0x70 [ 113.037901][ T7265] tty_set_ldisc+0x149/0x240 [ 113.042529][ T7265] tty_ioctl+0x366/0xa30 [ 113.047444][ T7265] ? tty_vhangup+0x30/0x30 [ 113.051830][ T7265] do_vfs_ioctl+0x551/0x890 [ 113.056449][ T7265] ? tomoyo_file_ioctl+0x23/0x30 [ 113.061367][ T7265] ksys_ioctl+0x86/0xb0 [ 113.065591][ T7265] __x64_sys_ioctl+0x1e/0x30 [ 113.070289][ T7265] do_syscall_64+0x73/0x220 [ 113.074794][ T7265] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 113.080657][ T7265] RIP: 0033:0x441df9 [ 113.084679][ T7265] Code: e8 6c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 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 0f 83 cb 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 113.105057][ T7265] RSP: 002b:00007ffc4496e5a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 113.113624][ T7265] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441df9 [ 113.121571][ T7265] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 113.129614][ T7265] RBP: 00007ffc4496e600 R08: 0000000000000002 R09: 0000000000000000 [ 113.137678][ T7265] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 113.145692][ T7265] R13: 0000000000000004 R14: 00007ffc4496e600 R15: 0000000000000000 executing program [ 119.176978][ T7277] FAULT_INJECTION: forcing a failure. [ 119.176978][ T7277] name failslab, interval 1, probability 0, space 0, times 0 [ 119.191664][ T7277] CPU: 1 PID: 7277 Comm: syz-executor190 Not tainted 5.5.0-rc7-syzkaller #0 [ 119.201011][ T7277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 119.212740][ T7277] Call Trace: [ 119.216733][ T7277] dump_stack+0xbc/0xe6 [ 119.221765][ T7277] should_fail.cold+0x3c/0x49 [ 119.226628][ T7277] __should_failslab+0x65/0xa0 [ 119.231714][ T7277] should_failslab+0x9/0x14 [ 119.236405][ T7277] kmem_cache_alloc+0x26/0x2c0 [ 119.241155][ T7277] create_object+0x3d/0x360 [ 119.245793][ T7277] kmemleak_alloc+0x21/0x30 [ 119.250563][ T7277] __kmalloc_track_caller+0x165/0x300 [ 119.255947][ T7277] ? kstrdup_const+0x48/0x60 [ 119.260702][ T7277] kstrdup+0x3a/0x70 [ 119.264991][ T7277] kstrdup_const+0x48/0x60 [ 119.270270][ T7277] kvasprintf_const+0x7e/0xe0 [ 119.274943][ T7277] kobject_set_name_vargs+0x40/0xe0 [ 119.280897][ T7277] dev_set_name+0x63/0x90 [ 119.285220][ T7277] netdev_register_kobject+0x5a/0x1b0 [ 119.290710][ T7277] register_netdevice+0x1ce/0x650 [ 119.295827][ T7277] ? alloc_netdev_mqs+0x3d4/0x4b0 [ 119.300840][ T7277] slcan_open+0x288/0x350 [ 119.305159][ T7277] ? slcan_hangup+0x20/0x20 [ 119.309935][ T7277] tty_ldisc_open.isra.0+0x40/0x70 [ 119.315369][ T7277] tty_set_ldisc+0x149/0x240 [ 119.321754][ T7277] tty_ioctl+0x366/0xa30 [ 119.326434][ T7277] ? tty_vhangup+0x30/0x30 [ 119.331147][ T7277] do_vfs_ioctl+0x551/0x890 [ 119.335743][ T7277] ? tomoyo_file_ioctl+0x23/0x30 [ 119.340990][ T7277] ksys_ioctl+0x86/0xb0 [ 119.345567][ T7277] __x64_sys_ioctl+0x1e/0x30 [ 119.350400][ T7277] do_syscall_64+0x73/0x220 [ 119.355257][ T7277] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 119.361946][ T7277] RIP: 0033:0x441df9 [ 119.366220][ T7277] Code: e8 6c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 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 0f 83 cb 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 119.386785][ T7277] RSP: 002b:00007ffc4496e5a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 119.395195][ T7277] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441df9 [ 119.403270][ T7277] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 119.411239][ T7277] RBP: 00007ffc4496e600 R08: 0000000000000002 R09: 0000000000000000 [ 119.420166][ T7277] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 119.428444][ T7277] R13: 0000000000000004 R14: 00007ffc4496e600 R15: 0000000000000000 executing program [ 125.452350][ T7289] FAULT_INJECTION: forcing a failure. [ 125.452350][ T7289] name failslab, interval 1, probability 0, space 0, times 0 [ 125.466336][ T7289] CPU: 0 PID: 7289 Comm: syz-executor190 Not tainted 5.5.0-rc7-syzkaller #0 [ 125.475294][ T7289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 125.485331][ T7289] Call Trace: [ 125.488605][ T7289] dump_stack+0xbc/0xe6 [ 125.492918][ T7289] should_fail.cold+0x3c/0x49 [ 125.498669][ T7289] __should_failslab+0x65/0xa0 [ 125.503522][ T7289] should_failslab+0x9/0x14 [ 125.508223][ T7289] kmem_cache_alloc_trace+0x2d/0x2c0 [ 125.513514][ T7289] ? kfree_const+0x40/0x50 [ 125.517948][ T7289] device_add+0x6bc/0xa60 [ 125.523069][ T7289] netdev_register_kobject+0xa6/0x1b0 [ 125.528792][ T7289] register_netdevice+0x1ce/0x650 [ 125.533800][ T7289] ? alloc_netdev_mqs+0x3d4/0x4b0 [ 125.539012][ T7289] slcan_open+0x288/0x350 [ 125.543341][ T7289] ? slcan_hangup+0x20/0x20 [ 125.548071][ T7289] tty_ldisc_open.isra.0+0x40/0x70 [ 125.553290][ T7289] tty_set_ldisc+0x149/0x240 [ 125.557889][ T7289] tty_ioctl+0x366/0xa30 [ 125.562111][ T7289] ? tty_vhangup+0x30/0x30 [ 125.566512][ T7289] do_vfs_ioctl+0x551/0x890 [ 125.570994][ T7289] ? tomoyo_file_ioctl+0x23/0x30 [ 125.575909][ T7289] ksys_ioctl+0x86/0xb0 [ 125.580042][ T7289] __x64_sys_ioctl+0x1e/0x30 [ 125.584806][ T7289] do_syscall_64+0x73/0x220 [ 125.589431][ T7289] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 125.595301][ T7289] RIP: 0033:0x441df9 [ 125.599173][ T7289] Code: e8 6c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 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 0f 83 cb 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 125.618750][ T7289] RSP: 002b:00007ffc4496e5a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 125.627131][ T7289] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441df9 [ 125.636736][ T7289] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 125.644701][ T7289] RBP: 00007ffc4496e600 R08: 0000000000000002 R09: 0000000000000000 [ 125.652645][ T7289] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 125.660597][ T7289] R13: 0000000000000004 R14: 00007ffc4496e600 R15: 0000000000000000 executing program [ 131.601441][ T7290] FAULT_INJECTION: forcing a failure. [ 131.601441][ T7290] name failslab, interval 1, probability 0, space 0, times 0 [ 131.614383][ T7290] CPU: 1 PID: 7290 Comm: syz-executor190 Not tainted 5.5.0-rc7-syzkaller #0 [ 131.623085][ T7290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 131.633217][ T7290] Call Trace: [ 131.636487][ T7290] dump_stack+0xbc/0xe6 [ 131.640623][ T7290] should_fail.cold+0x3c/0x49 [ 131.645279][ T7290] __should_failslab+0x65/0xa0 [ 131.650099][ T7290] should_failslab+0x9/0x14 [ 131.654878][ T7290] kmem_cache_alloc+0x26/0x2c0 [ 131.660395][ T7290] create_object+0x3d/0x360 [ 131.665233][ T7290] kmemleak_alloc+0x21/0x30 [ 131.669718][ T7290] __kmalloc_track_caller+0x165/0x300 [ 131.675431][ T7290] ? kstrdup_const+0x48/0x60 [ 131.680228][ T7290] kstrdup+0x3a/0x70 [ 131.684252][ T7290] kstrdup_const+0x48/0x60 [ 131.688772][ T7290] kvasprintf_const+0x7e/0xe0 [ 131.693643][ T7290] kobject_set_name_vargs+0x40/0xe0 [ 131.698825][ T7290] dev_set_name+0x63/0x90 [ 131.703134][ T7290] netdev_register_kobject+0x5a/0x1b0 [ 131.708697][ T7290] register_netdevice+0x1ce/0x650 [ 131.713858][ T7290] ? alloc_netdev_mqs+0x3d4/0x4b0 [ 131.719192][ T7290] slcan_open+0x288/0x350 [ 131.723933][ T7290] ? slcan_hangup+0x20/0x20 [ 131.728990][ T7290] tty_ldisc_open.isra.0+0x40/0x70 [ 131.734542][ T7290] tty_set_ldisc+0x149/0x240 [ 131.739166][ T7290] tty_ioctl+0x366/0xa30 [ 131.743528][ T7290] ? tty_vhangup+0x30/0x30 [ 131.748379][ T7290] do_vfs_ioctl+0x551/0x890 [ 131.753812][ T7290] ? tomoyo_file_ioctl+0x23/0x30 [ 131.759172][ T7290] ksys_ioctl+0x86/0xb0 [ 131.765342][ T7290] __x64_sys_ioctl+0x1e/0x30 [ 131.770031][ T7290] do_syscall_64+0x73/0x220 [ 131.774804][ T7290] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 131.782384][ T7290] RIP: 0033:0x441df9 [ 131.787448][ T7290] Code: e8 6c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 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 0f 83 cb 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 131.809326][ T7290] RSP: 002b:00007ffc4496e5a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 131.817730][ T7290] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441df9 [ 131.826259][ T7290] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 131.834485][ T7290] RBP: 00007ffc4496e600 R08: 0000000000000002 R09: 0000000000000000 [ 131.842563][ T7290] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 131.850514][ T7290] R13: 0000000000000004 R14: 00007ffc4496e600 R15: 0000000000000000 [ 137.715570][ T7240] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888117e4b800 (size 32): comm "syz-executor190", pid 7289, jiffies 4294949808 (age 14.290s) hex dump (first 32 bytes): 73 6c 63 61 6e 30 00 ff 80 21 84 04 00 ea ff ff slcan0...!...... 40 27 65 04 00 ea ff ff 00 00 00 00 00 00 00 00 @'e............. backtrace: [<00000000a1f2c23e>] __kmalloc_track_caller+0x165/0x300 [<000000009fc1436d>] kstrdup+0x3a/0x70 [<000000001b366915>] kstrdup_const+0x48/0x60 [<00000000f19c22c5>] kvasprintf_const+0x7e/0xe0 [<00000000cd0d7ae5>] kobject_set_name_vargs+0x40/0xe0 [<00000000e58b8090>] dev_set_name+0x63/0x90 [<00000000c6028d85>] netdev_register_kobject+0x5a/0x1b0 [<000000007d425858>] register_netdevice+0x1ce/0x650 [<00000000d8c34142>] slcan_open+0x288/0x350 [<0000000065fc4136>] tty_ldisc_open.isra.0+0x40/0x70 [<0000000024707d69>] tty_set_ldisc+0x149/0x240 [<0000000000b451e9>] tty_ioctl+0x366/0xa30 [<00000000a5f0cb17>] do_vfs_ioctl+0x551/0x890 [<0000000045d6a864>] ksys_ioctl+0x86/0xb0 [<0000000045bb6a99>] __x64_sys_ioctl+0x1e/0x30 [<000000008517c23d>] do_syscall_64+0x73/0x220