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: 1 PID: 8151 Comm: syz-executor646 Not tainted 5.0.0+ #20 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:ebitmap_destroy+0x32/0xf0 security/selinux/ss/ebitmap.c:334 Code: 49 89 fd 41 54 53 e8 6d f6 7f fe 4d 85 ed 0f 84 99 00 00 00 e8 5f f6 7f fe 4c 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 98 00 00 00 49 be 00 00 00 00 00 fc ff df 4d 8b RSP: 0018:ffff8880918478c8 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff8880a15c93e8 RCX: ffffffff82f1b92c RDX: 0000000000000002 RSI: ffffffff82f06dd1 RDI: 0000000000000010 RBP: ffff8880918478e8 R08: ffff88807c05c080 R09: ffff88807c05c948 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000002 R13: 0000000000000010 R14: ffffed10142b92b2 R15: 0000000000000401 FS: 0000000000f65880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000140 CR3: 000000007e591000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: policydb_destroy+0x62c/0x7f0 security/selinux/ss/policydb.c:832 policydb_read+0xe27/0x52c0 security/selinux/ss/policydb.c:2522 security_load_policy+0x36d/0x1170 security/selinux/ss/services.c:2147 sel_write_load+0x25a/0x470 security/selinux/selinuxfs.c:565 __vfs_write+0x8d/0x110 fs/read_write.c:485 vfs_write+0x20c/0x580 fs/read_write.c:549 ksys_write+0xea/0x1f0 fs/read_write.c:598 __do_sys_write fs/read_write.c:610 [inline] __se_sys_write fs/read_write.c:607 [inline] __x64_sys_write+0x73/0xb0 fs/read_write.c:607 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4401f9 Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 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 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fff747a42f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004401f9 RDX: 0000000000000050 RSI: 0000000020000180 RDI: 0000000000000003 RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401a80 R13: 0000000000401b10 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace c9a4ce516f33c859 ]--- RIP: 0010:ebitmap_destroy+0x32/0xf0 security/selinux/ss/ebitmap.c:334 Code: 49 89 fd 41 54 53 e8 6d f6 7f fe 4d 85 ed 0f 84 99 00 00 00 e8 5f f6 7f fe 4c 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 98 00 00 00 49 be 00 00 00 00 00 fc ff df 4d 8b RSP: 0018:ffff8880918478c8 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff8880a15c93e8 RCX: ffffffff82f1b92c RDX: 0000000000000002 RSI: ffffffff82f06dd1 RDI: 0000000000000010 RBP: ffff8880918478e8 R08: ffff88807c05c080 R09: ffff88807c05c948 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000002 R13: 0000000000000010 R14: ffffed10142b92b2 R15: 0000000000000401 FS: 0000000000f65880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000140 CR3: 000000007e591000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400