syzbot

raw: 05ffc00000410001 0000000000000000 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000000000 00000002ffffffff 0000000000000000
page dumped because: VM_WARN_ON_ONCE_PAGE(is_hzp)
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4017 at mm/huge_memory.c:2624 split_huge_page_to_list+0x89c/0x2d88 mm/huge_memory.c:2624
Modules linked in:
CPU: 1 PID: 4017 Comm: syz-executor286 Not tainted 5.15.179-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : split_huge_page_to_list+0x89c/0x2d88 mm/huge_memory.c:2624
lr : split_huge_page_to_list+0x890/0x2d88 mm/huge_memory.c:2624
sp : ffff80001fc37460
x29: ffff80001fc37610 x28: 1fffff800070a000 x27: 0000000000000000
x26: 0000000000000000 x25: ffff80001fc37580 x24: ffff0001fec70d80
x23: dfff800000000000 x22: 05ffc00000410001 x21: fffffc0003850000
x20: ffff800016fd2000 x19: 00000000fffffff0 x18: 0000000000000001
x17: 0000000000000000 x16: ffff800008336cf0 x15: 00000000ffffffff
x14: ffff0000ca130000 x13: 0000000000000001 x12: 0000000000000001
x11: 0000000000000000 x10: 0000000000000000 x9 : 23dd736e657cf500
x8 : 0000000000000001 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001fc368d8 x4 : ffff800014c4fe40 x3 : ffff800008336e3c
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000031
Call trace:
 split_huge_page_to_list+0x89c/0x2d88 mm/huge_memory.c:2624
 split_huge_page include/linux/huge_mm.h:192 [inline]
 try_to_split_thp_page+0xf0/0x1d4 mm/memory-failure.c:1454
 memory_failure+0x714/0x1f00 mm/memory-failure.c:1821
 madvise_inject_error mm/madvise.c:973 [inline]
 do_madvise+0x514/0x2c70 mm/madvise.c:1166
 __do_sys_madvise mm/madvise.c:1233 [inline]
 __se_sys_madvise mm/madvise.c:1231 [inline]
 __arm64_sys_madvise+0xa4/0xc0 mm/madvise.c:1231
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 12932
hardirqs last  enabled at (12931): [<ffff80000832c93c>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257
hardirqs last disabled at (12932): [<ffff800011b56334>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (12928): [<ffff8000081b70b8>] softirq_handle_end kernel/softirq.c:401 [inline]
softirqs last  enabled at (12928): [<ffff8000081b70b8>] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586
softirqs last disabled at (12911): [<ffff8000081b7750>] __do_softirq kernel/softirq.c:592 [inline]
softirqs last disabled at (12911): [<ffff8000081b7750>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (12911): [<ffff8000081b7750>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (12911): [<ffff8000081b7750>] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641
---[ end trace 8d59ae5c1aaf03ce ]---
Memory Failure: 0x121400: thp split failed
Memory failure: 0x121400: recovery action for unsplit thp: Ignored