IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready Bluetooth: hci0: command 0x0409 tx timeout Bluetooth: hci0: command 0x041b tx timeout kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 7396 Comm: syz-executor.0 Not tainted 4.19.142-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:file_tty drivers/tty/tty_io.c:180 [inline] RIP: 0010:__tty_fasync drivers/tty/tty_io.c:2117 [inline] RIP: 0010:tty_release+0xfb/0xf60 drivers/tty/tty_io.c:1663 Code: 48 c1 ea 03 80 3c 02 00 0f 85 3a 0d 00 00 48 8b 04 24 48 8b 98 90 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 d5 0c 00 00 48 8b 04 24 4c 8b 23 48 8d 78 20 48 RSP: 0018:ffff88808ec4fdc0 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff83a58587 RDX: 0000000000000000 RSI: ffffffff83a5a212 RDI: 0000000000000004 RBP: ffff8880a8338440 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000004 R11: 0000000000000000 R12: ffff8880a43a4100 R13: ffff88809ea60ce8 R14: ffffffff83a5a150 R15: ffff8880a889c820 FS: 000000000280c940(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007faace788020 CR3: 00000000a8500000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __fput+0x2ce/0x890 fs/file_table.c:278 task_work_run+0x148/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:193 [inline] exit_to_usermode_loop+0x251/0x2a0 arch/x86/entry/common.c:167 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x416f01 Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 1b 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007ffc8116f620 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000416f01 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000001190370 R09: 0000000000000000 R10: 00007ffc8116f700 R11: 0000000000000293 R12: 0000000001190378 R13: 0000000000000000 R14: ffffffffffffffff R15: 000000000118cf4c Modules linked in: ---[ end trace 658d88ec8ae9a9b6 ]--- RIP: 0010:file_tty drivers/tty/tty_io.c:180 [inline] RIP: 0010:__tty_fasync drivers/tty/tty_io.c:2117 [inline] RIP: 0010:tty_release+0xfb/0xf60 drivers/tty/tty_io.c:1663 Code: 48 c1 ea 03 80 3c 02 00 0f 85 3a 0d 00 00 48 8b 04 24 48 8b 98 90 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 d5 0c 00 00 48 8b 04 24 4c 8b 23 48 8d 78 20 48 RSP: 0018:ffff88808ec4fdc0 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff83a58587 RDX: 0000000000000000 RSI: ffffffff83a5a212 RDI: 0000000000000004 RBP: ffff8880a8338440 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000004 R11: 0000000000000000 R12: ffff8880a43a4100 R13: ffff88809ea60ce8 R14: ffffffff83a5a150 R15: ffff8880a889c820 FS: 000000000280c940(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007faace78b01f CR3: 00000000a8500000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400