EXT4-fs (sda1): resizing filesystem from 524032 to 4096 blocks
kasan: CONFIG_KASAN_INLINE enabled
EXT4-fs warning (device sda1): ext4_resize_fs:1930: can't shrink FS - resize aborted
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 24361 Comm: kworker/0:5 Not tainted 4.20.0-rc6+ #235
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events smc_tcp_listen_work
RIP: 0010:kernel_accept+0x34/0x310 net/socket.c:3242
Code: d6 41 55 49 89 fd 41 54 49 89 f4 53 48 83 ec 08 e8 b1 dc 5b fb 49 8d 7d 20 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 4a 02 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b
RSP: 0018:ffff8881898075b0 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff8881973734c0 RCX: 1ffff11031f74df9
RDX: 0000000000000004 RSI: ffffffff8623a7bf RDI: 0000000000000020
RBP: ffff8881898075e0 R08: ffff88818fba6fc8 R09: 0000000000000006
R10: 0000000000000000 R11: ffff88818fba6700 R12: ffff888189807690
R13: 0000000000000000 R14: 0000000000000000 R15: ffff8881d1efa938
FS:  0000000000000000(0000) GS:ffff8881dae00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kobject: 'loop2' (000000003f639c1c): kobject_uevent_env
CR2: 000000000072c000 CR3: 00000001942c6000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 smc_clcsock_accept net/smc/af_smc.c:837 [inline]
 smc_tcp_listen_work+0x218/0x11c0 net/smc/af_smc.c:1305
kobject: 'loop2' (000000003f639c1c): fill_kobj_path: path = '/devices/virtual/block/loop2'
 process_one_work+0xc90/0x1c40 kernel/workqueue.c:2153
kobject: 'loop4' (00000000b7a62a96): kobject_uevent_env
kobject: 'loop4' (00000000b7a62a96): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop5' (0000000019cf3369): kobject_uevent_env
kobject: 'loop5' (0000000019cf3369): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop1' (0000000025f8ab25): kobject_uevent_env
kobject: 'loop1' (0000000025f8ab25): fill_kobj_path: path = '/devices/virtual/block/loop1'
 worker_thread+0x17f/0x1390 kernel/workqueue.c:2296
 kthread+0x35a/0x440 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Modules linked in:
kobject: 'loop0' (00000000a23d01c2): kobject_uevent_env
kobject: 'loop0' (00000000a23d01c2): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (000000003f639c1c): kobject_uevent_env
kobject: 'loop2' (000000003f639c1c): fill_kobj_path: path = '/devices/virtual/block/loop2'
---[ end trace 345cdfbb87e20a30 ]---
RIP: 0010:kernel_accept+0x34/0x310 net/socket.c:3242
Code: d6 41 55 49 89 fd 41 54 49 89 f4 53 48 83 ec 08 e8 b1 dc 5b fb 49 8d 7d 20 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 4a 02 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b
kobject: 'loop5' (0000000019cf3369): kobject_uevent_env
kobject: 'loop5' (0000000019cf3369): fill_kobj_path: path = '/devices/virtual/block/loop5'
RSP: 0018:ffff8881898075b0 EFLAGS: 00010202
kobject: 'loop3' (00000000177b9101): kobject_uevent_env
RAX: dffffc0000000000 RBX: ffff8881973734c0 RCX: 1ffff11031f74df9
kobject: 'loop3' (00000000177b9101): fill_kobj_path: path = '/devices/virtual/block/loop3'
RDX: 0000000000000004 RSI: ffffffff8623a7bf RDI: 0000000000000020
kobject: 'loop1' (0000000025f8ab25): kobject_uevent_env
kobject: 'loop1' (0000000025f8ab25): fill_kobj_path: path = '/devices/virtual/block/loop1'
RBP: ffff8881898075e0 R08: ffff88818fba6fc8 R09: 0000000000000006
R10: 0000000000000000 R11: ffff88818fba6700 R12: ffff888189807690
kobject: 'loop4' (00000000b7a62a96): kobject_uevent_env
kobject: 'loop4' (00000000b7a62a96): fill_kobj_path: path = '/devices/virtual/block/loop4'
R13: 0000000000000000 R14: 0000000000000000 R15: ffff8881d1efa938
FS:  0000000000000000(0000) GS:ffff8881dae00000(0000) knlGS:0000000000000000
kobject: 'loop3' (00000000177b9101): kobject_uevent_env
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kobject: 'loop3' (00000000177b9101): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop4' (00000000b7a62a96): kobject_uevent_env
CR2: 0000000020000180 CR3: 00000001c6513000 CR4: 00000000001406f0
kobject: 'loop4' (00000000b7a62a96): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop1' (0000000025f8ab25): kobject_uevent_env
kobject: 'loop1' (0000000025f8ab25): fill_kobj_path: path = '/devices/virtual/block/loop1'
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
kobject: 'loop0' (00000000a23d01c2): kobject_uevent_env