------------[ cut here ]------------
WARNING: CPU: 0 PID: 6086 at arch/x86/kernel/traps.c:1058 exc_debug_kernel+0x11b/0x130 arch/x86/kernel/traps.c:1058
Modules linked in:
CPU: 0 UID: 0 PID: 6086 Comm: syz.0.161 Not tainted 6.11.0-rc4-next-20240823-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:exc_debug_kernel+0x11b/0x130 arch/x86/kernel/traps.c:1058
Code: fd 65 48 8b 04 25 28 00 00 00 48 3b 44 24 08 75 26 48 83 c4 10 5b 41 5e 41 5f 5d c3 cc cc cc cc 90 0f 0b 90 e9 5c ff ff ff 90 <0f> 0b 90 41 80 a6 91 00 00 00 fe eb b5 e8 23 42 00 00 0f 1f 00 90
RSP: 0000:fffffe0000016f20 EFLAGS: 00212002
RAX: 0000000000110000 RBX: 0000000000004000 RCX: 7f720fc6feea5100
RDX: ffff88802a339e00 RSI: 0000000000000000 RDI: 0000000000008001
RBP: 0000000000000000 R08: ffffffff8132c1cc R09: 1ffffffff2038375
R10: dffffc0000000000 R11: fffffbfff2038376 R12: 0000000000000000
R13: 0000000000000000 R14: fffffe0000016f58 R15: 000000002a339e00
FS: 00005555683bc500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffff8ea4bd88 CR3: 000000001f21a000 CR4: 00000000003506f0
Call Trace:
<#DB>
asm_exc_debug+0x1e/0x40 arch/x86/include/asm/idtentry.h:659
RIP: 0010:kasan_report+0x162/0x180 mm/kasan/report.c:608
Code: f7 ff ff 48 89 df e8 ed f7 ff ff 40 0f b6 d5 48 8d 7c 24 08 4c 89 e6 e8 3c fd ff ff b0 01 4c 89 2c 24 ff 34 24 9d 48 83 c4 70 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc 31 c0 eb e1 66 2e 0f
RSP: 0000:ffffc900094160b8 EFLAGS: 00202786
RAX: 0000000000000000 RBX: ffff88802a339e00 RCX: ffffffff81421861
RDX: 0000000000000001 RSI: 0000000000000020 RDI: ffffc90009416240
RBP: fffff52001282c48 R08: ffffc9000941625f R09: fffff52001282c4b
R10: dffffc0000000000 R11: fffff52001282c48 R12: 1ffff92001282c34
R13: ffffffff8bb0a743 R14: dffffc0000000001 R15: fffff52001282c4c
</#DB>
<TASK>
kasan_check_range+0x282/0x290 mm/kasan/generic.c:189
</TASK>
----------------
Code disassembly (best guess):
0: f7 ff idiv %edi
2: ff 48 89 decl -0x77(%rax)
5: df e8 fucomip %st(0),%st
7: ed in (%dx),%eax
8: f7 ff idiv %edi
a: ff 40 0f incl 0xf(%rax)
d: b6 d5 mov $0xd5,%dh
f: 48 8d 7c 24 08 lea 0x8(%rsp),%rdi
14: 4c 89 e6 mov %r12,%rsi
17: e8 3c fd ff ff call 0xfffffd58
1c: b0 01 mov $0x1,%al
1e: 4c 89 2c 24 mov %r13,(%rsp)
22: ff 34 24 push (%rsp)
25: 9d popf
26: 48 83 c4 70 add $0x70,%rsp
* 2a: 5b pop %rbx <-- trapping instruction
2b: 41 5c pop %r12
2d: 41 5d pop %r13
2f: 41 5e pop %r14
31: 41 5f pop %r15
33: 5d pop %rbp
34: c3 ret
35: cc int3
36: cc int3
37: cc int3
38: cc int3
39: 31 c0 xor %eax,%eax
3b: eb e1 jmp 0x1e
3d: 66 data16
3e: 2e cs
3f: 0f .byte 0xf