divide error: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 15 Comm: kworker/0:1 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Workqueue: events damon_reclaim_timer_fn RIP: 0010:damon_reclaim_new_scheme mm/damon/reclaim.c:281 [inline] RIP: 0010:damon_reclaim_turn mm/damon/reclaim.c:323 [inline] RIP: 0010:damon_reclaim_timer_fn+0x33e/0x530 mm/damon/reclaim.c:354 Code: 1e 05 48 89 44 24 78 48 8b 05 46 33 1e 05 48 89 84 24 80 00 00 00 c7 84 24 90 00 00 00 01 00 00 00 48 8b 05 14 33 1e 05 31 d2 <48> f7 35 53 33 1e 05 bf 00 10 00 00 48 c7 c6 ff ff ff ff 31 d2 31 RSP: 0018:ffffc900000f7800 EFLAGS: 00010246 RAX: 0000000007270e00 RBX: fffff5200001ef00 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc900000f7bf8 RBP: ffffc900000f7d20 R08: ffffc900000f7bf7 R09: ffffc900000f7888 R10: dffffc0000000000 R11: fffff5200001ef7f R12: 0000000000000001 R13: dffffc0000000000 R14: ffff88810b0e8980 R15: ffffc900000f7870 FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000004 CR3: 0000000101be4000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 05 48 89 44 24 add $0x24448948,%eax 5: 78 48 js 0x4f 7: 8b 05 46 33 1e 05 mov 0x51e3346(%rip),%eax # 0x51e3353 d: 48 89 84 24 80 00 00 mov %rax,0x80(%rsp) 14: 00 15: c7 84 24 90 00 00 00 movl $0x1,0x90(%rsp) 1c: 01 00 00 00 20: 48 8b 05 14 33 1e 05 mov 0x51e3314(%rip),%rax # 0x51e333b 27: 31 d2 xor %edx,%edx * 29: 48 f7 35 53 33 1e 05 divq 0x51e3353(%rip) # 0x51e3383 <-- trapping instruction 30: bf 00 10 00 00 mov $0x1000,%edi 35: 48 c7 c6 ff ff ff ff mov $0xffffffffffffffff,%rsi 3c: 31 d2 xor %edx,%edx 3e: 31 .byte 0x31