sp1: Synchronizing with TNC
sp0: Synchronizing with TNC
sp1: Found TNC
------------[ cut here ]------------
kernel BUG at kernel/time/timer.c:1089!
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
sp0: Found TNC
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 22 Comm: kworker/u4:1 Not tainted 4.14.158-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_unbound flush_to_ldisc
task: ffff8880a9eb65c0 task.stack: ffff8880a9ec0000
RIP: 0010:add_timer kernel/time/timer.c:1089 [inline]
RIP: 0010:add_timer+0x689/0xae0 kernel/time/timer.c:1087
RSP: 0018:ffff8880a9ec7b38 EFLAGS: 00010297
RAX: ffff8880a9eb65c0 RBX: ffff8880a9ec7ba8 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8880a9eb6eb8 RDI: ffff88804b20b788
RBP: ffff8880a9ec7bd0 R08: ffff8880a9eb65c0 R09: ffff8880a9eb6ed8
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88804b20b780
R13: dffffc0000000000 R14: ffff8880497e2c3d R15: ffff88804b20b780
FS:  0000000000000000(0000) GS:ffff8880aec00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000046fe60 CR3: 000000009bfcc000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 decode_prio_command drivers/net/hamradio/6pack.c:934 [inline]
 sixpack_decode drivers/net/hamradio/6pack.c:1003 [inline]
 sixpack_receive_buf drivers/net/hamradio/6pack.c:458 [inline]
 sixpack_receive_buf+0xc9a/0x1170 drivers/net/hamradio/6pack.c:435
 tty_ldisc_receive_buf+0x14d/0x1a0 drivers/tty/tty_buffer.c:459
 tty_port_default_receive_buf+0x73/0xa0 drivers/tty/tty_port.c:37
 receive_buf drivers/tty/tty_buffer.c:475 [inline]
 flush_to_ldisc+0x1ec/0x400 drivers/tty/tty_buffer.c:527
 process_one_work+0x863/0x1600 kernel/workqueue.c:2114
 worker_thread+0x5d9/0x1050 kernel/workqueue.c:2248
 kthread+0x319/0x430 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: 84 8a 00 00 00 e8 c8 10 0d 00 65 ff 0d 61 af b1 7e 0f 85 3c fd ff ff e8 b6 10 0d 00 e8 05 04 b0 ff e9 2d fd ff ff e8 a7 10 0d 00 <0f> 0b e8 a0 10 0d 00 49 c7 c5 80 4a 02 00 e8 14 b3 ba 01 48 ba 
RIP: add_timer kernel/time/timer.c:1089 [inline] RSP: ffff8880a9ec7b38
RIP: add_timer+0x689/0xae0 kernel/time/timer.c:1087 RSP: ffff8880a9ec7b38
kobject: 'loop3' (ffff8880a419f520): kobject_uevent_env
kobject: 'rx-0' (ffff8880982ee490): kobject_cleanup, parent ffff8880a0c38848
kobject: 'loop3' (ffff8880a419f520): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop2' (ffff8880a4146c20): kobject_uevent_env
kobject: 'rx-0' (ffff8880982ee490): auto cleanup 'remove' event
kobject: 'loop2' (ffff8880a4146c20): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'rx-0' (ffff8880982ee490): kobject_uevent_env
kobject: 'rx-0' (ffff8880982ee490): fill_kobj_path: path = '/devices/virtual/net/sp0/queues/rx-0'
kobject: 'rx-0' (ffff8880982ee490): auto cleanup kobject_del
kobject: 'rx-0' (ffff8880982ee490): calling ktype release
kobject: 'rx-0': free name
kobject: 'loop0' (ffff8880a40982a0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40982a0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'tx-0' (ffff888093331598): kobject_cleanup, parent ffff8880a0c38848
kobject: 'tx-0' (ffff888093331598): auto cleanup 'remove' event
kobject: 'tx-0' (ffff888093331598): kobject_uevent_env
kobject: 'tx-0' (ffff888093331598): fill_kobj_path: path = '/devices/virtual/net/sp0/queues/tx-0'
---[ end trace 933bc4d01aa851cb ]---