8021q: adding VLAN 0 to HW filter on device team0 8021q: adding VLAN 0 to HW filter on device team0 8021q: adding VLAN 0 to HW filter on device team0 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: 0 PID: 10068 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #72 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:reset_buffer_flags drivers/tty/n_tty.c:321 [inline] RIP: 0010:n_tty_flush_buffer+0x64/0x260 drivers/tty/n_tty.c:359 Code: 80 3c 02 00 0f 85 d0 01 00 00 49 8b 9c 24 70 05 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 60 22 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 9c 01 00 00 48 c7 83 60 22 00 00 00 00 00 00 48 RSP: 0018:ffff8801b2f77780 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 000000000000044c RSI: 0000000000000000 RDI: 0000000000002260 RBP: ffff8801b2f77798 R08: ffff8801bf788af0 R09: 0000000000000002 R10: ffff8801bf788ad0 R11: cbc4a29cad229ac2 R12: ffff8801c6f90980 kobject: 'loop5' (00000000789e68c6): kobject_uevent_env R13: ffff8801c6f90bb8 R14: 0000000000000000 R15: ffff8801b2f777e8 FS: 00007ff587dea700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000001b0cd40 CR3: 00000001bb8e7000 CR4: 00000000001406f0 kobject: 'loop5' (00000000789e68c6): fill_kobj_path: path = '/devices/virtual/block/loop5' DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: set_termios+0x390/0x7d0 drivers/tty/tty_ioctl.c:404 kobject: 'loop5' (00000000789e68c6): kobject_uevent_env tty_mode_ioctl+0x268/0xb40 drivers/tty/tty_ioctl.c:745 kobject: 'loop5' (00000000789e68c6): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000c7e298ad): kobject_uevent_env kobject: 'loop2' (00000000c7e298ad): fill_kobj_path: path = '/devices/virtual/block/loop2' n_tty_ioctl_helper+0x54/0x3b0 drivers/tty/tty_ioctl.c:940 n_tty_ioctl+0x54/0x360 drivers/tty/n_tty.c:2450 tty_ioctl+0x5ad/0x1820 drivers/tty/tty_io.c:2660 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0x1de/0x1720 fs/ioctl.c:685 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:702 __do_sys_ioctl fs/ioctl.c:709 [inline] __se_sys_ioctl fs/ioctl.c:707 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:707 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457569 Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ff587de9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457569 RDX: 0000000020000000 RSI: 0000000000005404 RDI: 0000000000000005 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff587dea6d4 R13: 00000000004c0da4 R14: 00000000004d17d0 R15: 00000000ffffffff Modules linked in: kobject: 'loop0' (000000003c6cd12f): kobject_uevent_env kobject: 'loop0' (000000003c6cd12f): fill_kobj_path: path = '/devices/virtual/block/loop0' ---[ end trace 87fd4b92980a274f ]--- kobject: 'loop4' (00000000d4ab0400): kobject_uevent_env RIP: 0010:reset_buffer_flags drivers/tty/n_tty.c:321 [inline] RIP: 0010:n_tty_flush_buffer+0x64/0x260 drivers/tty/n_tty.c:359 kobject: 'loop4' (00000000d4ab0400): fill_kobj_path: path = '/devices/virtual/block/loop4' Code: 80 3c 02 00 0f 85 d0 01 00 00 49 8b 9c 24 70 05 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 60 22 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 9c 01 00 00 48 c7 83 60 22 00 00 00 00 00 00 48 kobject: 'loop3' (00000000933684b9): kobject_uevent_env kobject: 'loop3' (00000000933684b9): fill_kobj_path: path = '/devices/virtual/block/loop3' RSP: 0018:ffff8801b2f77780 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 000000000000044c RSI: 0000000000000000 RDI: 0000000000002260 RBP: ffff8801b2f77798 R08: ffff8801bf788af0 R09: 0000000000000002 R10: ffff8801bf788ad0 R11: cbc4a29cad229ac2 R12: ffff8801c6f90980 R13: ffff8801c6f90bb8 R14: 0000000000000000 R15: ffff8801b2f777e8 FS: 00007ff587dea700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa6ec97f518 CR3: 00000001bb8e7000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400