BUG: stack guard page was hit at ffffc900009e7ff8 (stack is ffffc900009e8000..ffffc900009effff)
kernel stack overflow (double-fault): 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 371 Comm: syz-executor626 Not tainted 5.10.112-syzkaller-00287-gde64d941a71a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:unwind_start arch/x86/include/asm/unwind.h:60 [inline]
RIP: 0010:arch_stack_walk+0xd7/0x140 arch/x86/kernel/stacktrace.c:24
Code: eb 1b 65 48 8b 04 25 80 6d 02 00 4c 39 e0 74 0a 49 8b 8c 24 98 0e 00 00 eb 03 48 89 e9 48 8d bd 70 ff ff ff 4c 89 e6 4c 89 fa <e8> 94 27 06 00 83 bd 70 ff ff ff 00 74 36 48 8d 9d 70 ff ff ff 0f
RSP: 0018:ffffc900009e8000 EFLAGS: 00010246
RAX: ffff8881069f13c0 RBX: 1ffff9200013d01e RCX: ffffc900009e8090
RDX: 0000000000000000 RSI: ffff8881069f13c0 RDI: ffffc900009e8000
RBP: ffffc900009e8090 R08: dffffc0000000000 R09: ffffc900009e8190
R10: 0000000000000002 R11: 0000000000000000 R12: ffff8881069f13c0
R13: ffffffff815b4d50 R14: ffffc900009e80e0 R15: 0000000000000000
FS: 0000555556b54300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc900009e7ff8 CR3: 00000001061e5000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
stack_trace_save+0x12d/0x1f0 kernel/stacktrace.c:121
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:2956 [inline]
slab_alloc mm/slub.c:2964 [inline]
kmem_cache_alloc+0x16c/0x300 mm/slub.c:2969
__d_alloc+0x2d/0x6b0 fs/dcache.c:1709
d_alloc fs/dcache.c:1788 [inline]
d_alloc_parallel+0xe6/0x1330 fs/dcache.c:2540
__lookup_slow+0x14e/0x400 fs/namei.c:1613
lookup_one_len+0x43d/0x6a0 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+0x43d/0x6a0 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+0x43d/0x6a0 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+0x43d/0x6a0 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+0x43d/0x6a0 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+0x43d/0x6a0 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+0x43d/0x6a0 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+0x43d/0x6a0 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+0x43d/0x6a0 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+0x43d/0x6a0 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+0x43d/0x6a0 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+0x43d/0x6a0 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+0x43d/0x6a0 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+0x43d/0x6a0 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+0x43d/0x6a0 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+0x43d/0x6a0 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+0x43d/0x6a0 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+0x43d/0x6a0 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+0x43d/0x6a0 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+0x43d/0x6a0 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+0x43d/0x6a0 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+0x43d/0x6a0 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+0x43d/0x6a0 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+0x43d/0x6a0 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+0x43d/0x6a0 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+0x43d/0x6a0 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+0x43d/0x6a0 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+0x43d/0x6a0 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+0x43d/0x6a0 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+0x43d/0x6a0 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+0x43d/0x6a0 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+0x43d/0x6a0 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+0x43d/0x6a0 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+0x43d/0x6a0 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+0x43d/0x6a0 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+0x43d/0x6a0 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+0x43d/0x6a0 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+0x43d/0x6a0 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+0x43d/0x6a0 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+0x43d/0x6a0 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+0x119a/0x2fd0 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_openat fs/open.c:1243 [inline]
__se_sys_openat fs/open.c:1238 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1238
do_syscall_64+0x34/0x70 arch/x86/entry/common.c:46
entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fd45b75bb99
Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffcf78419f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd45b75bb99
RDX: 0000000000000000 RSI: 0000000020000200 RDI: ffffffffffffff9c
RBP: 00007fd45b71fd40 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd45b71fdd0
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
---[ end trace 6abbcca6f48bed17 ]---
RIP: 0010:unwind_start arch/x86/include/asm/unwind.h:60 [inline]
RIP: 0010:arch_stack_walk+0xd7/0x140 arch/x86/kernel/stacktrace.c:24
Code: eb 1b 65 48 8b 04 25 80 6d 02 00 4c 39 e0 74 0a 49 8b 8c 24 98 0e 00 00 eb 03 48 89 e9 48 8d bd 70 ff ff ff 4c 89 e6 4c 89 fa <e8> 94 27 06 00 83 bd 70 ff ff ff 00 74 36 48 8d 9d 70 ff ff ff 0f
RSP: 0018:ffffc900009e8000 EFLAGS: 00010246
RAX: ffff8881069f13c0 RBX: 1ffff9200013d01e RCX: ffffc900009e8090
RDX: 0000000000000000 RSI: ffff8881069f13c0 RDI: ffffc900009e8000
RBP: ffffc900009e8090 R08: dffffc0000000000 R09: ffffc900009e8190
R10: 0000000000000002 R11: 0000000000000000 R12: ffff8881069f13c0
R13: ffffffff815b4d50 R14: ffffc900009e80e0 R15: 0000000000000000
FS: 0000555556b54300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc900009e7ff8 CR3: 00000001061e5000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: eb 1b jmp 0x1d
2: 65 48 8b 04 25 80 6d mov %gs:0x26d80,%rax
9: 02 00
b: 4c 39 e0 cmp %r12,%rax
e: 74 0a je 0x1a
10: 49 8b 8c 24 98 0e 00 mov 0xe98(%r12),%rcx
17: 00
18: eb 03 jmp 0x1d
1a: 48 89 e9 mov %rbp,%rcx
1d: 48 8d bd 70 ff ff ff lea -0x90(%rbp),%rdi
24: 4c 89 e6 mov %r12,%rsi
27: 4c 89 fa mov %r15,%rdx
* 2a: e8 94 27 06 00 callq 0x627c3 <-- trapping instruction
2f: 83 bd 70 ff ff ff 00 cmpl $0x0,-0x90(%rbp)
36: 74 36 je 0x6e
38: 48 8d 9d 70 ff ff ff lea -0x90(%rbp),%rbx
3f: 0f .byte 0xf