watchdog: BUG: soft lockup - CPU#0 stuck for 33s! [syz.2.24:4222]
Modules linked in:
irq event stamp: 1270
hardirqs last  enabled at (1269): [<ffff8000088863d0>] consume_stock mm/memcontrol.c:2212 [inline]
hardirqs last  enabled at (1269): [<ffff8000088863d0>] try_charge_memcg+0x1d8/0x11bc mm/memcontrol.c:2607
hardirqs last disabled at (1270): [<ffff8000111baf54>] enter_el1_irq_or_nmi+0x10/0x1c arch/arm64/kernel/entry-common.c:227
softirqs last  enabled at (14): [<ffff800008031f40>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31
softirqs last disabled at (12): [<ffff800008031f0c>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18
CPU: 0 PID: 4222 Comm: syz.2.24 Not tainted 5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : arch_local_irq_restore arch/arm64/include/asm/irqflags.h:122 [inline]
pc : consume_stock mm/memcontrol.c:2212 [inline]
pc : try_charge_memcg+0x1e8/0x11bc mm/memcontrol.c:2607
lr : consume_stock mm/memcontrol.c:2212 [inline]
lr : try_charge_memcg+0x1d8/0x11bc mm/memcontrol.c:2607
sp : ffff8000202975e0
x29: ffff800020297760 x28: 0000000000000cc0 x27: 000000000000000b
x26: 0000000000000020 x25: ffff0001a10d4058 x24: 0000000000000001
x23: 0000000000000001 x22: 1ffff0000286ceac x21: 0000000000000000
x20: dfff800000000000 x19: ffff0000cb148000 x18: 0000000000000000
x17: 0000000000000000 x16: ffff8000082c0bc8 x15: 0000000000000005
x14: 0000000000ff0100 x13: 1ffff0000282e06b x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000080
x8 : 00000000000000c0 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000010
x2 : 0000000000000008 x1 : ffff80001131b080 x0 : ffff80018d002000
Call trace:
 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:122 [inline]
 consume_stock mm/memcontrol.c:2212 [inline]
 try_charge_memcg+0x1e8/0x11bc mm/memcontrol.c:2607
 obj_cgroup_charge_pages+0x8c/0x1a0 mm/memcontrol.c:3018
 __memcg_kmem_charge_page+0x3c0/0x59c mm/memcontrol.c:3058
 memcg_kmem_charge_page include/linux/memcontrol.h:1696 [inline]
 memcg_charge_kernel_stack kernel/fork.c:417 [inline]
 dup_task_struct+0x948/0xc44 kernel/fork.c:903
 copy_process+0x4c8/0x34ac kernel/fork.c:2121
 kernel_clone+0x1d8/0x9d4 kernel/fork.c:2679
 __do_sys_clone kernel/fork.c:2796 [inline]
 __se_sys_clone kernel/fork.c:2764 [inline]
 __arm64_sys_clone+0x138/0x190 kernel/fork.c:2764
 __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+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584