------------[ cut here ]------------ kernel BUG at arch/x86/mm/physaddr.c:27! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 29272 Comm: systemd-udevd Not tainted 4.19.211-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:27 Code: 67 fb 09 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 40 28 37 00 48 85 db 75 0d e8 a6 26 37 00 4c 89 e0 5b 5d 41 5c c3 e8 99 26 37 00 <0f> 0b e8 92 26 37 00 48 c7 c0 10 30 e7 89 48 ba 00 00 00 00 00 fc RSP: 0018:ffff8881fa517bb8 EFLAGS: 00010293 RAX: ffff8880573b2400 RBX: 7777777777777777 RCX: ffffffff812b5e78 RDX: 0000000000000000 RSI: ffffffff812b5ed7 RDI: 0000000000000006 RBP: 77777777f7777777 R08: 0000000000000000 R09: 77777777f7777777 R10: 0000000000000006 R11: 0000000000000000 R12: 7777eef777777777 R13: ffff8881fa517c10 R14: 0000000000000000 R15: 0000000000000286 FS: 00007f81fe5618c0(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055d72f7bcc78 CR3: 000000009f63f000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: virt_to_head_page include/linux/mm.h:665 [inline] qlink_to_cache mm/kasan/quarantine.c:127 [inline] qlist_free_all+0xbb/0x140 mm/kasan/quarantine.c:163 quarantine_reduce+0x1a9/0x230 mm/kasan/quarantine.c:259 kasan_kmalloc+0xa2/0x160 mm/kasan/kasan.c:538 ------------[ cut here ]------------ kernel BUG at arch/x86/mm/physaddr.c:27! slab_post_alloc_hook mm/slab.h:445 [inline] slab_alloc mm/slab.c:3397 [inline] kmem_cache_alloc+0x110/0x370 mm/slab.c:3557 getname_flags+0xce/0x590 fs/namei.c:140 getname fs/namei.c:211 [inline] __do_sys_unlink fs/namei.c:4112 [inline] __se_sys_unlink fs/namei.c:4110 [inline] __x64_sys_unlink+0x31/0x50 fs/namei.c:4110 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f81fd3d50e7 Code: f0 ff ff 73 01 c3 48 8b 0d ae bd 2b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 57 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 81 bd 2b 00 f7 d8 64 89 01 48 RSP: 002b:00007ffe74280da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 RAX: ffffffffffffffda RBX: 000055d72f76c120 RCX: 00007f81fd3d50e7 RDX: 00007ffe74280c80 RSI: 00007ffe74280c80 RDI: 00007ffe74280db0 RBP: 0000000000000d92 R08: 00000000000001c0 R09: 0000000000000014 R10: 00007ffe74280d80 R11: 0000000000000246 R12: 00007ffe74280db0 R13: 000055d72f76c120 R14: 0000000000000003 R15: 000000000000000e Modules linked in: invalid opcode: 0000 [#2] PREEMPT SMP KASAN CPU: 1 PID: 4704 Comm: systemd-udevd Tainted: G D 4.19.211-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:27 Code: 67 fb 09 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 40 28 37 00 48 85 db 75 0d e8 a6 26 37 00 4c 89 e0 5b 5d 41 5c c3 e8 99 26 37 00 <0f> 0b e8 92 26 37 00 48 c7 c0 10 30 e7 89 48 ba 00 00 00 00 00 fc RSP: 0018:ffff88809962f9a8 EFLAGS: 00010293 RAX: ffff8880996241c0 RBX: 7777777777777777 RCX: ffffffff812b5e78 RDX: 0000000000000000 RSI: ffffffff812b5ed7 RDI: 0000000000000006 nla_parse: 24 callbacks suppressed netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'. RBP: 77777777f7777777 R08: 0000000000000000 R09: 77777777f7777777 R10: 0000000000000006 R11: 0000000000000009 R12: 7777eef777777777 R13: ffff88809962fa00 R14: 0000000000000000 R15: 0000000000000286 FS: 00007f81fe5618c0(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3062f000 CR3: 000000009a019000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: virt_to_head_page include/linux/mm.h:665 [inline] qlink_to_cache mm/kasan/quarantine.c:127 [inline] qlist_free_all+0xbb/0x140 mm/kasan/quarantine.c:163 quarantine_reduce+0x1a9/0x230 mm/kasan/quarantine.c:259 kasan_kmalloc+0xa2/0x160 mm/kasan/kasan.c:538 ---[ end trace eab1fd7dc664c059 ]--- RIP: 0010:__phys_addr+0xa7/0x110 arch/x86/mm/physaddr.c:27 slab_post_alloc_hook mm/slab.h:445 [inline] slab_alloc mm/slab.c:3397 [inline] kmem_cache_alloc+0x110/0x370 mm/slab.c:3557 getname_flags+0xce/0x590 fs/namei.c:140 user_path_at_empty+0x2a/0x50 fs/namei.c:2609 user_path_at include/linux/namei.h:57 [inline] vfs_statx+0x113/0x210 fs/stat.c:185 vfs_lstat include/linux/fs.h:3137 [inline] __do_sys_newlstat fs/stat.c:350 [inline] __se_sys_newlstat+0x96/0x120 fs/stat.c:344 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f81fd3d3335 Code: 69 db 2b 00 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 83 ff 01 48 89 f0 77 30 48 89 c7 48 89 d6 b8 06 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 03 f3 c3 90 48 8b 15 31 db 2b 00 f7 d8 64 89 RSP: 002b:00007ffe742812b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000006 RAX: ffffffffffffffda RBX: 000055d72f76d8a0 RCX: 00007f81fd3d3335 RDX: 00007ffe742812f0 RSI: 00007ffe742812f0 RDI: 000055d72f76c8a0 RBP: 00007ffe742813b0 R08: 00007f81fd692188 R09: 0000000000001010 R10: 0000000000001010 R11: 0000000000000246 R12: 000055d72f76c8a0 R13: 000055d72f76c8c0 R14: 000055d72f76effb R15: 000055d72f76f000 Modules linked in: netlink: 12 bytes leftover after parsing attributes in process `syz-executor.2'. Code: 67 fb 09 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 40 28 37 00 48 85 db 75 0d e8 a6 26 37 00 4c 89 e0 5b 5d 41 5c c3 e8 99 26 37 00 <0f> 0b e8 92 26 37 00 48 c7 c0 10 30 e7 89 48 ba 00 00 00 00 00 fc ---[ end trace eab1fd7dc664c05a ]--- RSP: 0018:ffff8881fa517bb8 EFLAGS: 00010293 RIP: 0010:__phys_addr+0xa7/0x110 arch/x86/mm/physaddr.c:27 RAX: ffff8880573b2400 RBX: 7777777777777777 RCX: ffffffff812b5e78 Code: 67 fb 09 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 40 28 37 00 48 85 db 75 0d e8 a6 26 37 00 4c 89 e0 5b 5d 41 5c c3 e8 99 26 37 00 <0f> 0b e8 92 26 37 00 48 c7 c0 10 30 e7 89 48 ba 00 00 00 00 00 fc RDX: 0000000000000000 RSI: ffffffff812b5ed7 RDI: 0000000000000006 RSP: 0018:ffff8881fa517bb8 EFLAGS: 00010293 RBP: 77777777f7777777 R08: 0000000000000000 R09: 77777777f7777777 RAX: ffff8880573b2400 RBX: 7777777777777777 RCX: ffffffff812b5e78 R10: 0000000000000006 R11: 0000000000000000 R12: 7777eef777777777 RDX: 0000000000000000 RSI: ffffffff812b5ed7 RDI: 0000000000000006 R13: ffff8881fa517c10 R14: 0000000000000000 R15: 0000000000000286 netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'. FS: 00007f81fe5618c0(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 RBP: 77777777f7777777 R08: 0000000000000000 R09: 77777777f7777777 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 R10: 0000000000000006 R11: 0000000000000000 R12: 7777eef777777777 CR2: 00000000200000c0 CR3: 000000009f63f000 CR4: 00000000003406f0 R13: ffff8881fa517c10 R14: 0000000000000000 R15: 0000000000000286 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 FS: 00007f81fe5618c0(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033