BUG: stack guard page was hit at ffffc90000997fa8 (stack is ffffc90000998000..ffffc9000099ffff)
kernel stack overflow (double-fault): 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 365 Comm: syz-executor930 Not tainted 5.10.108-syzkaller-00653-gab2d1d40a128 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__unwind_start+0x2f/0x420 arch/x86/kernel/unwind_frame.c:368
Code: 57 41 56 41 55 41 54 53 48 83 ec 50 48 89 4d d0 49 89 d7 49 89 f6 49 89 fd 48 bb 00 00 00 00 00 fc ff df ba 60 00 00 00 31 f6 <e8> bc e8 72 00 49 8d 7d 28 48 89 f8 48 c1 e8 03 80 3c 18 00 74 05
RSP: 0018:ffffc90000997fb8 EFLAGS: 00010246
RAX: ffff88811d1dbb40 RBX: dffffc0000000000 RCX: ffffc900009980d0
RDX: 0000000000000060 RSI: 0000000000000000 RDI: ffffc90000998040
RBP: ffffc90000998030 R08: dffffc0000000000 R09: ffffc90000998120
R10: fffff52000133027 R11: 0000000000000000 R12: ffff88811d1dbb40
R13: ffffc90000998040 R14: ffff88811d1dbb40 R15: 0000000000000000
FS: 0000555555775300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90000997fa8 CR3: 0000000107182000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
Modules linked in:
---[ end trace ed4e1c0bd2760598 ]---
RIP: 0010:__unwind_start+0x2f/0x420 arch/x86/kernel/unwind_frame.c:368
Code: 57 41 56 41 55 41 54 53 48 83 ec 50 48 89 4d d0 49 89 d7 49 89 f6 49 89 fd 48 bb 00 00 00 00 00 fc ff df ba 60 00 00 00 31 f6 <e8> bc e8 72 00 49 8d 7d 28 48 89 f8 48 c1 e8 03 80 3c 18 00 74 05
RSP: 0018:ffffc90000997fb8 EFLAGS: 00010246
RAX: ffff88811d1dbb40 RBX: dffffc0000000000 RCX: ffffc900009980d0
RDX: 0000000000000060 RSI: 0000000000000000 RDI: ffffc90000998040
RBP: ffffc90000998030 R08: dffffc0000000000 R09: ffffc90000998120
R10: fffff52000133027 R11: 0000000000000000 R12: ffff88811d1dbb40
R13: ffffc90000998040 R14: ffff88811d1dbb40 R15: 0000000000000000
FS: 0000555555775300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90000997fa8 CR3: 0000000107182000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 57 push %rdi
1: 41 56 push %r14
3: 41 55 push %r13
5: 41 54 push %r12
7: 53 push %rbx
8: 48 83 ec 50 sub $0x50,%rsp
c: 48 89 4d d0 mov %rcx,-0x30(%rbp)
10: 49 89 d7 mov %rdx,%r15
13: 49 89 f6 mov %rsi,%r14
16: 49 89 fd mov %rdi,%r13
19: 48 bb 00 00 00 00 00 movabs $0xdffffc0000000000,%rbx
20: fc ff df
23: ba 60 00 00 00 mov $0x60,%edx
28: 31 f6 xor %esi,%esi
* 2a: e8 bc e8 72 00 callq 0x72e8eb <-- trapping instruction
2f: 49 8d 7d 28 lea 0x28(%r13),%rdi
33: 48 89 f8 mov %rdi,%rax
36: 48 c1 e8 03 shr $0x3,%rax
3a: 80 3c 18 00 cmpb $0x0,(%rax,%rbx,1)
3e: 74 05 je 0x45