watchdog: BUG: soft lockup - CPU#0 stuck for 33s! [rm:2654] Modules linked in: irq event stamp: 8842 hardirqs last enabled at (8841): [] __kmem_cache_alloc_bulk mm/slub.c:3968 [inline] hardirqs last enabled at (8841): [] kmem_cache_alloc_bulk+0x182/0x390 mm/slub.c:4026 hardirqs last disabled at (8842): [] __trace_hardirqs_off+0x18/0x20 arch/riscv/kernel/trace_irq.c:25 softirqs last enabled at (8826): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (8826): [] __do_softirq+0x640/0x930 kernel/softirq.c:600 softirqs last disabled at (8815): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (8815): [] invoke_softirq kernel/softirq.c:452 [inline] softirqs last disabled at (8815): [] __irq_exit_rcu+0x154/0x1ea kernel/softirq.c:650 CPU: 0 PID: 2654 Comm: rm Not tainted 6.2.0-rc1-syzkaller #0 Hardware name: riscv-virtio,qemu (DT) epc : __kmem_cache_alloc_bulk mm/slub.c:3969 [inline] epc : kmem_cache_alloc_bulk+0x186/0x390 mm/slub.c:4026 ra : __kmem_cache_alloc_bulk mm/slub.c:3968 [inline] ra : kmem_cache_alloc_bulk+0x182/0x390 mm/slub.c:4026 epc : ffffffff804d35fa ra : ffffffff804d35f6 sp : ff20000004af7850 gp : ffffffff85cd2e80 tp : ff60000011de3100 t0 : ff6000000eb51f10 t1 : 00000000000f0000 t2 : 0000000000000018 s0 : ff20000004af78e0 s1 : 0000000000000006 a0 : 0000000000000000 a1 : 00000000000f0000 a2 : ffffffff833d4a2a a3 : 0000000000000002 a4 : ff60000011de4100 a5 : 0000000000002289 a6 : 0000000000000003 a7 : 0000000000000001 s2 : ffffffff83657c20 s3 : 0000000000000006 s4 : ff6000000eaef810 s5 : 0000000000000dc0 s6 : ffffffff879dafe0 s7 : ffffffff85cd9700 s8 : ffffffff83350472 s9 : ff6000005a5dcc00 s10: ff60000007e0ddc0 s11: 0000000000000006 t3 : fffffffff3f3f300 t4 : ffffffff80123d54 t5 : 1fe400000095eeb4 t6 : 0000000000000004 status: 0000000000000120 badaddr: 0000000000000000 cause: 8000000000000005 [] mt_alloc_bulk lib/maple_tree.c:157 [inline] [] mas_alloc_nodes+0x26c/0x54c lib/maple_tree.c:1256 [] mas_node_count_gfp lib/maple_tree.c:1315 [inline] [] mas_preallocate+0x14a/0x226 lib/maple_tree.c:5724 [] __vma_adjust+0x12c/0xf22 mm/mmap.c:715 [] vma_adjust include/linux/mm.h:2793 [inline] [] __split_vma+0x1d8/0x334 mm/mmap.c:2236 [] split_vma+0x68/0x8c mm/mmap.c:2269 [] mprotect_fixup+0x382/0x438 mm/mprotect.c:626 [] do_mprotect_pkey.constprop.0+0x3aa/0x63c mm/mprotect.c:785 [] __do_sys_mprotect mm/mprotect.c:812 [inline] [] sys_mprotect+0x26/0x3c mm/mprotect.c:809 [] ret_from_syscall+0x0/0x2