dlm: no local IP address has been set
dlm: cannot start dlm lowcomms -107
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
gfs2: fsid=syz:syz: dlm_new_lockspace error -107
general protection fault: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 15685 Comm: syz-executor.3 Not tainted 4.14.223-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff888060b7a600 task.stack: ffff888094610000
RIP: 0010:kobject_uevent_env+0xb2/0xf40 lib/kobject_uevent.c:355
RSP: 0018:ffff888094617c00 EFLAGS: 00010206
RAX: 0000000000000018 RBX: 0000000000000002 RCX: 1ffff1100c16f5e0
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000000000c0
RBP: ffff888093dd4250 R08: ffffffff8b9b1530 R09: 0000000000000003
R10: 0000000000000000 R11: ffff888060b7a600 R12: 00000000000000a0
R13: dffffc0000000000 R14: ffff888093dd4148 R15: 00000000000000a0
FS:  000000000259d400(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe9e87aff8 CR3: 00000000a59c6000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 loop_clr_fd+0x59f/0xc20 drivers/block/loop.c:1069
 __lo_release drivers/block/loop.c:1660 [inline]
 lo_release+0xff/0x190 drivers/block/loop.c:1678
 __blkdev_put+0x5aa/0x800 fs/block_dev.c:1803
 blkdev_close+0x86/0xb0 fs/block_dev.c:1875
 __fput+0x25f/0x7a0 fs/file_table.c:210
 task_work_run+0x11f/0x190 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:191 [inline]
 exit_to_usermode_loop+0x1ad/0x200 arch/x86/entry/common.c:164
 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:270 [inline]
 do_syscall_64+0x4a3/0x640 arch/x86/entry/common.c:297
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x41920b
RSP: 002b:00007ffdb2c43080 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 000000000041920b
RDX: 0000000000000000 RSI: ffffffff86fc8e78 RDI: 0000000000000004
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000001b2f029a10
R10: 0000000000000000 R11: 0000000000000293 R12: 000000000056c9e0
R13: 000000000056c9e0 R14: 000000000056bf60 R15: 0000000000035ea6
Code: 03 42 80 3c 28 00 0f 85 e4 0b 00 00 4d 8b 64 24 18 4d 85 e4 0f 84 01 0c 00 00 e8 da ff 59 fa 49 8d 7c 24 20 48 89 f8 48 c1 e8 03 <42> 80 3c 28 00 0f 85 db 0b 00 00 49 8b 6c 24 20 48 85 ed 74 b0 
RIP: kobject_uevent_env+0xb2/0xf40 lib/kobject_uevent.c:355 RSP: ffff888094617c00
---[ end trace 8ea92b2a59cd47fc ]---