divide error: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 16255 Comm: syz-executor.3 Not tainted 6.4.0-rc5-syzkaller-00016-ga4d7d7011219 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
RIP: 0010:damon_nr_accesses_to_accesses_bp mm/damon/core.c:491 [inline]
RIP: 0010:damon_nr_accesses_for_new_attrs mm/damon/core.c:497 [inline]
RIP: 0010:damon_update_monitoring_result mm/damon/core.c:506 [inline]
RIP: 0010:damon_update_monitoring_results mm/damon/core.c:534 [inline]
RIP: 0010:damon_set_attrs+0x224/0x460 mm/damon/core.c:555
Code: 03 42 0f b6 04 20 84 c0 74 08 3c 03 0f 8e b3 01 00 00 48 8b 43 08 31 d2 41 69 4f 18 10 27 00 00 48 f7 33 31 d2 48 89 c7 89 c8 <f7> f7 31 d2 49 8d 7f 30 89 c1 49 8b 46 08 49 f7 36 0f af c8 b8 59
RSP: 0018:ffffc900077b7c08 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff888016259c00 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff81e2ff90 RDI: 0000000000000000
RBP: ffff88802c5a6310 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000800 R11: 0000000000000001 R12: dffffc0000000000
R13: ffff88802c5a6300 R14: ffffc900077b7c80 R15: ffff88802a7b5108
FS: 00007f8253919700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020293030 CR3: 0000000043d39000 CR4: 00000000003526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
dbgfs_attrs_write+0x225/0x280 mm/damon/dbgfs.c:101
full_proxy_write+0x11c/0x190 fs/debugfs/file.c:236
vfs_write+0x2ae/0xd50 fs/read_write.c:582
ksys_write+0x12b/0x250 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f8252c8c169
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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:00007f8253919168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f8252dabf80 RCX: 00007f8252c8c169
RDX: 0000000000000069 RSI: 0000000020000180 RDI: 0000000000000003
RBP: 00007f8252ce7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8252ecfb1f R14: 00007f8253919300 R15: 0000000000022000
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:damon_nr_accesses_to_accesses_bp mm/damon/core.c:491 [inline]
RIP: 0010:damon_nr_accesses_for_new_attrs mm/damon/core.c:497 [inline]
RIP: 0010:damon_update_monitoring_result mm/damon/core.c:506 [inline]
RIP: 0010:damon_update_monitoring_results mm/damon/core.c:534 [inline]
RIP: 0010:damon_set_attrs+0x224/0x460 mm/damon/core.c:555
Code: 03 42 0f b6 04 20 84 c0 74 08 3c 03 0f 8e b3 01 00 00 48 8b 43 08 31 d2 41 69 4f 18 10 27 00 00 48 f7 33 31 d2 48 89 c7 89 c8 <f7> f7 31 d2 49 8d 7f 30 89 c1 49 8b 46 08 49 f7 36 0f af c8 b8 59
RSP: 0018:ffffc900077b7c08 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff888016259c00 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff81e2ff90 RDI: 0000000000000000
RBP: ffff88802c5a6310 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000800 R11: 0000000000000001 R12: dffffc0000000000
R13: ffff88802c5a6300 R14: ffffc900077b7c80 R15: ffff88802a7b5108
FS: 00007f8253919700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020070030 CR3: 0000000043d39000 CR4: 00000000003526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 03 42 0f add 0xf(%rdx),%eax
3: b6 04 mov $0x4,%dh
5: 20 84 c0 74 08 3c 03 and %al,0x33c0874(%rax,%rax,8)
c: 0f 8e b3 01 00 00 jle 0x1c5
12: 48 8b 43 08 mov 0x8(%rbx),%rax
16: 31 d2 xor %edx,%edx
18: 41 69 4f 18 10 27 00 imul $0x2710,0x18(%r15),%ecx
1f: 00
20: 48 f7 33 divq (%rbx)
23: 31 d2 xor %edx,%edx
25: 48 89 c7 mov %rax,%rdi
28: 89 c8 mov %ecx,%eax
* 2a: f7 f7 div %edi <-- trapping instruction
2c: 31 d2 xor %edx,%edx
2e: 49 8d 7f 30 lea 0x30(%r15),%rdi
32: 89 c1 mov %eax,%ecx
34: 49 8b 46 08 mov 0x8(%r14),%rax
38: 49 f7 36 divq (%r14)
3b: 0f af c8 imul %eax,%ecx
3e: b8 .byte 0xb8
3f: 59 pop %rcx