------------[ cut here ]------------ kernel BUG at mm/slab.c:2899! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 19354 Comm: udevd Not tainted 5.2.0-rc1+ #33 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:ffff88806cd27658 EFLAGS: 00010086 RAX: 0000000000000001 RBX: ffffea00022f5b00 RCX: ffff8880aa401a38 RDX: ffff8880aa401a38 RSI: 0000000000000000 RDI: ffff8880aa401a00 RBP: ffff88806cd276d0 R08: 1ffff1100d9a4eb8 R09: 0000000000000004 R10: ffffed100d9a4eb8 R11: 0000000000000003 R12: 0000000000001000 R13: ffff8880aa400dc0 R14: 0000000000000004 R15: ffff8880ae93ed68 FS: 00007fb87e7117a0(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd388d43a8 CR3: 0000000087b9c000 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_check_open_permission+0x2a8/0x3f0 security/tomoyo/file.c:771 tomoyo_file_open security/tomoyo/tomoyo.c:319 [inline] tomoyo_file_open+0xa9/0xd0 security/tomoyo/tomoyo.c:314 security_file_open+0x71/0x300 security/security.c:1458 do_dentry_open+0x373/0x1250 fs/open.c:765 vfs_open+0xa0/0xd0 fs/open.c:887 do_last fs/namei.c:3416 [inline] path_openat+0x10e9/0x46d0 fs/namei.c:3533 do_filp_open+0x1a1/0x280 fs/namei.c:3563 do_sys_open+0x3fe/0x5d0 fs/open.c:1070 __do_sys_open fs/open.c:1088 [inline] __se_sys_open fs/open.c:1083 [inline] __x64_sys_open+0x7e/0xc0 fs/open.c:1083 do_syscall_64+0xfd/0x680 arch/x86/entry/common.c:301 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fb87de19120 Code: 48 8b 15 1b 4d 2b 00 f7 d8 64 89 02 83 c8 ff c3 90 90 90 90 90 90 90 90 90 90 83 3d d5 a4 2b 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 5e 8c 01 00 48 89 04 24 RSP: 002b:00007ffd388d3a78 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 0000000002172f60 RCX: 00007fb87de19120 RDX: 00000000000001b6 RSI: 0000000000080241 RDI: 00007ffd388d3f60 RBP: 00007ffd388d3af0 R08: 0000000000000004 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000004 R13: 0000000000420721 R14: 00007ffd388d3b60 R15: 0000000000000001 Modules linked in: ---[ end trace 95c8b394dd604745 ]--- 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:ffff88806cd27658 EFLAGS: 00010086 RAX: 0000000000000001 RBX: ffffea00022f5b00 RCX: ffff8880aa401a38 RDX: ffff8880aa401a38 RSI: 0000000000000000 RDI: ffff8880aa401a00 RBP: ffff88806cd276d0 R08: 1ffff1100d9a4eb8 R09: 0000000000000004 R10: ffffed100d9a4eb8 R11: 0000000000000003 R12: 0000000000001000 R13: ffff8880aa400dc0 R14: 0000000000000004 R15: ffff8880ae93ed68 FS: 00007fb87e7117a0(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd388d43a8 CR3: 0000000087b9c000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400