------------[ cut here ]------------ kernel BUG at mm/slab.c:2899! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 3876 Comm: udevd Not tainted 5.2.0-rc1+ #24 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:alloc_block mm/slab.c:2899 [inline] RIP: 0010:cache_alloc_refill mm/slab.c:2958 [inline] RIP: 0010:____cache_alloc mm/slab.c:3061 [inline] RIP: 0010:____cache_alloc mm/slab.c:3044 [inline] RIP: 0010:__do_cache_alloc mm/slab.c:3283 [inline] RIP: 0010:slab_alloc mm/slab.c:3318 [inline] RIP: 0010:__do_kmalloc mm/slab.c:3658 [inline] RIP: 0010:__kmalloc+0x64a/0x740 mm/slab.c:3669 Code: 45 b8 4c 89 62 08 48 89 53 08 48 89 4b 10 4c 89 60 48 41 f6 45 23 40 0f 84 09 ff ff ff 48 c7 43 20 00 00 00 00 e9 fc fe ff ff <0f> 0b 0f 0b c7 46 0c 01 00 00 00 e9 11 ff ff ff 0f 1f 44 00 00 8b RSP: 0018:ffff8880954ffad8 EFLAGS: 00010086 RAX: 0000000000000001 RBX: ffffea0001936980 RCX: ffff8880aa401a38 RDX: ffff8880aa401a38 RSI: 0000000000000000 RDI: ffff8880aa401a00 RBP: ffff8880954ffb50 R08: 1ffff11012a9ff48 R09: 0000000000000004 R10: ffffed1012a9ff48 R11: 0000000000000003 R12: 0000000000001000 R13: ffff8880aa400dc0 R14: 0000000000000004 R15: ffff8880ae93ed68 FS: 00007f60379b47a0(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff14827900 CR3: 000000009837f000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kmalloc include/linux/slab.h:552 [inline] tomoyo_realpath_from_path+0xcd/0x7a0 security/tomoyo/realpath.c:277 tomoyo_get_realpath security/tomoyo/file.c:151 [inline] tomoyo_path_number_perm+0x1dd/0x520 security/tomoyo/file.c:723 tomoyo_file_ioctl+0x23/0x30 security/tomoyo/tomoyo.c:335 security_file_ioctl+0x77/0xc0 security/security.c:1370 ksys_ioctl+0x57/0xd0 fs/ioctl.c:711 __do_sys_ioctl fs/ioctl.c:720 [inline] __se_sys_ioctl fs/ioctl.c:718 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:718 do_syscall_64+0xfd/0x680 arch/x86/entry/common.c:301 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f60370c1347 Code: 90 90 90 48 8b 05 f1 fa 2a 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 90 90 90 90 90 90 90 90 90 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 fa 2a 00 31 d2 48 29 c2 64 RSP: 002b:00007fff1482bfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00000000006254a0 RCX: 00007f60370c1347 RDX: 00007fff1482c06c RSI: 000000000000541b RDI: 0000000000000006 RBP: 0000000001aeb6a0 R08: 0000000000000000 R09: 0000000000000001 R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000003 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000001acd250 Modules linked in: ======================================================