gfs2: invalid mount option: uid<00000000000000060929 gfs2: can't parse mount arguments 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 Modules linked in: CPU: 0 PID: 14569 Comm: syz-executor.1 Not tainted 4.14.221-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8880a6206240 task.stack: ffff88805a820000 RIP: 0010:kobject_uevent_env+0xb2/0xf40 lib/kobject_uevent.c:355 RSP: 0000:ffff88805a827bf0 EFLAGS: 00010206 RAX: 0000000000000018 RBX: 0000000000000002 RCX: 1ffff11014c40d68 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000000000c0 RBP: ffff8880aaacfd90 R08: ffffffff8b9ad3f0 R09: 0000000000000003 R10: 0000000000000000 R11: ffff8880a6206240 R12: 00000000000000a0 R13: dffffc0000000000 R14: ffff8880aaacfc88 R15: 00000000000000a0 FS: 000000000344a400(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7d79f3f080 CR3: 000000009914b000 CR4: 00000000001426f0 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 raw_release+0x122/0x160 drivers/char/raw.c:113 __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:00007fff85405990 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 000000000041920b RDX: 0000000000570398 RSI: 00000000089075c3 RDI: 0000000000000003 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000001b2ef22898 R10: 00007fff85405a80 R11: 0000000000000293 R12: 0000000000035dfd R13: 00000000000003e8 R14: 000000000056bf60 R15: 0000000000035db4 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 4a 3a 5a 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: ffff88805a827bf0 ---[ end trace ef22e8b49eb69b37 ]---