SELinux: failed to load policy 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 NOPTI Modules linked in: CPU: 0 PID: 14615 Comm: blkid Not tainted 4.14.96+ #19 task: ffff8881a4dede00 task.stack: ffff8881d3f18000 RIP: 0010:kobject_uevent_env+0x62/0xc60 lib/kobject_uevent.c:348 RSP: 0018:ffff8881d3f1fc10 EFLAGS: 00010206 RAX: 0000000000000018 RBX: 0000000000000002 RCX: 1ffff110349bdcc4 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000000000c0 RBP: ffff8881d16c0f50 R08: 0000000000000001 R09: 0000000000000002 R10: ffff8881a4dee680 R11: 0000000000000001 R12: 00000000000000a0 R13: dffffc0000000000 R14: ffff8881d16c0ec8 R15: 00000000000000a0 FS: 00007f5430b4d740(0000) GS:ffff8881db800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c42c779000 CR3: 00000001a14e2006 CR4: 00000000001606b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: loop_clr_fd+0x49e/0xac0 drivers/block/loop.c:1059 lo_release+0xdd/0x170 drivers/block/loop.c:1653 __blkdev_put+0x518/0x6d0 fs/block_dev.c:1791 blkdev_close+0x86/0xb0 fs/block_dev.c:1863 __fput+0x25e/0x700 fs/file_table.c:210 task_work_run+0x118/0x190 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:191 [inline] exit_to_usermode_loop+0x13b/0x160 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:267 [inline] do_syscall_64+0x372/0x4b0 arch/x86/entry/common.c:294 Code: 03 42 80 3c 28 00 0f 85 7c 0a 00 00 4d 8b 64 24 18 4d 85 e4 0f 84 4f 02 00 00 e8 0a 9f af fe 49 8d 7c 24 20 48 89 f8 48 c1 e8 03 <42> 80 3c 28 00 0f 85 48 0a 00 00 49 8b 6c 24 20 48 85 ed 74 b0 RIP: kobject_uevent_env+0x62/0xc60 lib/kobject_uevent.c:348 RSP: ffff8881d3f1fc10 ---[ end trace cf31483bed52d8f3 ]---