------------[ cut here ]------------ kernel BUG at arch/x86/mm/physaddr.c:28! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 6501 Comm: cron Not tainted 5.9.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__phys_addr+0xa7/0x110 arch/x86/mm/physaddr.c:28 Code: 99 7d 09 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 90 90 3f 00 48 85 db 75 0d e8 e6 93 3f 00 4c 89 e0 5b 5d 41 5c c3 e8 d9 93 3f 00 <0f> 0b e8 d2 93 3f 00 48 c7 c0 10 50 a9 89 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc90009c1f8c0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 00000000a2304340 RCX: ffffffff8134b948 RDX: ffff88809999c180 RSI: ffffffff8134b9a7 RDI: 0000000000000006 RBP: 0000000122304340 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000122304340 R11: 0000000000000001 R12: 00007780a2304340 R13: ffffc90009c1f928 R14: 0000000000000200 R15: dffffc0000000000 FS: 00007f394d20e840(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000746918 CR3: 00000000a822e000 CR4: 00000000001526e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: virt_to_head_page include/linux/mm.h:848 [inline] qlink_to_cache mm/kasan/quarantine.c:128 [inline] qlist_free_all+0xd9/0x170 mm/kasan/quarantine.c:165 quarantine_reduce+0x17e/0x200 mm/kasan/quarantine.c:261 __kasan_kmalloc.constprop.0+0x9e/0xd0 mm/kasan/common.c:442 __do_kmalloc mm/slab.c:3655 [inline] __kmalloc+0x1b0/0x310 mm/slab.c:3664 kmalloc include/linux/slab.h:559 [inline] kzalloc include/linux/slab.h:666 [inline] tomoyo_encode2.part.0+0xe9/0x3a0 security/tomoyo/realpath.c:45 tomoyo_encode2 security/tomoyo/realpath.c:31 [inline] tomoyo_encode+0x28/0x50 security/tomoyo/realpath.c:80 tomoyo_realpath_from_path+0x186/0x620 security/tomoyo/realpath.c:288 tomoyo_get_realpath security/tomoyo/file.c:151 [inline] tomoyo_path_perm+0x212/0x3f0 security/tomoyo/file.c:822 security_inode_getattr+0xcf/0x140 security/security.c:1278 vfs_getattr fs/stat.c:121 [inline] vfs_statx+0x170/0x390 fs/stat.c:206 vfs_stat include/linux/fs.h:3173 [inline] __do_sys_newstat+0x91/0x110 fs/stat.c:361 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f394c8fc295 Code: 00 00 00 e8 5d 01 00 00 48 83 c4 18 c3 0f 1f 84 00 00 00 00 00 83 ff 01 48 89 f0 77 30 48 89 c7 48 89 d6 b8 04 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 03 f3 c3 90 48 8b 15 d1 db 2b 00 f7 d8 64 89 RSP: 002b:00007fff66daa858 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 RAX: ffffffffffffffda RBX: 00007f394c984011 RCX: 00007f394c8fc295 RDX: 00007fff66daa8e0 RSI: 00007fff66daa8e0 RDI: 00007f394c984011 RBP: 0000000000000001 R08: 000055db4529c6d0 R09: 0000000000000020 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 15d8c1ea0138d097 ]--- RIP: 0010:__phys_addr+0xa7/0x110 arch/x86/mm/physaddr.c:28 Code: 99 7d 09 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 90 90 3f 00 48 85 db 75 0d e8 e6 93 3f 00 4c 89 e0 5b 5d 41 5c c3 e8 d9 93 3f 00 <0f> 0b e8 d2 93 3f 00 48 c7 c0 10 50 a9 89 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc90009c1f8c0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 00000000a2304340 RCX: ffffffff8134b948 RDX: ffff88809999c180 RSI: ffffffff8134b9a7 RDI: 0000000000000006 RBP: 0000000122304340 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000122304340 R11: 0000000000000001 R12: 00007780a2304340 R13: ffffc90009c1f928 R14: 0000000000000200 R15: dffffc0000000000 FS: 00007f394d20e840(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5d83d32000 CR3: 00000000a822e000 CR4: 00000000001526e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400