BUG: stack guard page was hit at ffffc90000b0fff8 (stack is ffffc90000b10000..ffffc90000b17fff)
kernel stack overflow (double-fault): 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 370 Comm: syz-executor744 Not tainted 5.10.87-syzkaller-00611-gc4d08791d941 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:stack_trace_save+0x86/0x1e0 kernel/stacktrace.c:115
Code: 4c 8d 7c 24 20 49 c1 ef 03 48 b8 f1 f1 f1 f1 00 00 00 f3 4b 89 04 2f 43 c7 44 2f 08 f3 f3 f3 f3 ba 18 00 00 00 4c 89 f7 31 f6 <e8> 45 cd 4a 00 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7
RSP: 0018:ffffc90000b10000 EFLAGS: 00010246
RAX: f3000000f1f1f1f1 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000018 RSI: 0000000000000000 RDI: ffffc90000b10040
RBP: ffffc90000b100d0 R08: dffffc0000000000 R09: ffffc90000b100e0
R10: 0000000000000004 R11: 0000000000000000 R12: ffffc90000b100e0
R13: dffffc0000000000 R14: ffffc90000b10040 R15: 1ffff92000162004
FS: 00007f87e1533700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90000b0fff8 CR3: 00000001077af000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
kasan_save_stack mm/kasan/common.c:38 [inline]
kasan_set_track mm/kasan/common.c:46 [inline]
set_alloc_info mm/kasan/common.c:428 [inline]
__kasan_slab_alloc+0xb2/0xe0 mm/kasan/common.c:461
kasan_slab_alloc include/linux/kasan.h:259 [inline]
slab_post_alloc_hook mm/slab.h:583 [inline]
slab_alloc_node mm/slub.c:2948 [inline]
slab_alloc mm/slub.c:2956 [inline]
kmem_cache_alloc+0x1a2/0x380 mm/slub.c:2961
__d_alloc+0x2d/0x6b0 fs/dcache.c:1709
d_alloc fs/dcache.c:1788 [inline]
d_alloc_parallel+0xf3/0x1360 fs/dcache.c:2540
__lookup_slow+0x14e/0x400 fs/namei.c:1613
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
__lookup_slow+0x2b3/0x400 fs/namei.c:1628
lookup_one_len+0x17f/0x2c0 fs/namei.c:2642
incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
lookup_open fs/namei.c:3162 [inline]
open_last_lookups fs/namei.c:3253 [inline]
path_openat+0x11c0/0x3500 fs/namei.c:3441
do_filp_open+0x200/0x440 fs/namei.c:3471
do_sys_openat2+0x13b/0x470 fs/open.c:1211
do_sys_open fs/open.c:1227 [inline]
__do_sys_creat fs/open.c:1301 [inline]
__se_sys_creat fs/open.c:1295 [inline]
__x64_sys_creat+0x11f/0x160 fs/open.c:1295
do_syscall_64+0x31/0x70 arch/x86/entry/common.c:46
entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f87e1581949
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f87e15332f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 0000000000000040 RCX: 00007f87e1581949
RDX: 0000000000000030 RSI: 0000000000000000 RDI: 0000000020000000
RBP: 00007f87e16093e8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f87e16093e0
R13: 00007f87e16093ec R14: 0030656c69662f2e R15: 2f30656c69662f2e
Modules linked in:
---[ end trace f9acda62a6f1bf1b ]---
RIP: 0010:stack_trace_save+0x86/0x1e0 kernel/stacktrace.c:115
Code: 4c 8d 7c 24 20 49 c1 ef 03 48 b8 f1 f1 f1 f1 00 00 00 f3 4b 89 04 2f 43 c7 44 2f 08 f3 f3 f3 f3 ba 18 00 00 00 4c 89 f7 31 f6 <e8> 45 cd 4a 00 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7
RSP: 0018:ffffc90000b10000 EFLAGS: 00010246
RAX: f3000000f1f1f1f1 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000018 RSI: 0000000000000000 RDI: ffffc90000b10040
RBP: ffffc90000b100d0 R08: dffffc0000000000 R09: ffffc90000b100e0
R10: 0000000000000004 R11: 0000000000000000 R12: ffffc90000b100e0
R13: dffffc0000000000 R14: ffffc90000b10040 R15: 1ffff92000162004
FS: 00007f87e1533700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90000b0fff8 CR3: 00000001077af000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 4c 8d 7c 24 20 lea 0x20(%rsp),%r15
5: 49 c1 ef 03 shr $0x3,%r15
9: 48 b8 f1 f1 f1 f1 00 movabs $0xf3000000f1f1f1f1,%rax
10: 00 00 f3
13: 4b 89 04 2f mov %rax,(%r15,%r13,1)
17: 43 c7 44 2f 08 f3 f3 movl $0xf3f3f3f3,0x8(%r15,%r13,1)
1e: f3 f3
20: ba 18 00 00 00 mov $0x18,%edx
25: 4c 89 f7 mov %r14,%rdi
28: 31 f6 xor %esi,%esi
* 2a: e8 45 cd 4a 00 callq 0x4acd74 <-- trapping instruction
2f: 4c 89 f0 mov %r14,%rax
32: 48 c1 e8 03 shr $0x3,%rax
36: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1)
3b: 74 08 je 0x45
3d: 4c 89 f7 mov %r14,%rdi