BUG: scheduling while atomic: syz-executor.4/14644/0x00000002 Modules linked in: Preemption disabled at: [] ida_alloc_range+0x251/0xa60 lib/idr.c:395 CPU: 0 PID: 14644 Comm: syz-executor.4 Not tainted 6.1.75-syzkaller-00030-g141ebdcb283b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106 dump_stack+0x15/0x1b lib/dump_stack.c:113 __schedule_bug+0x195/0x260 kernel/sched/core.c:5960 schedule_debug kernel/sched/core.c:5987 [inline] __schedule+0xcf7/0x1550 kernel/sched/core.c:6622 schedule+0xc3/0x180 kernel/sched/core.c:6805 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6864 mutex_optimistic_spin kernel/locking/mutex.c:529 [inline] __mutex_lock_common kernel/locking/mutex.c:629 [inline] __mutex_lock+0x5b6/0x1ca0 kernel/locking/mutex.c:774 __mutex_lock_killable_slowpath+0xe/0x10 kernel/locking/mutex.c:1069 mutex_lock_killable+0x132/0x1e0 kernel/locking/mutex.c:1036 pcpu_alloc+0x2cb/0x1440 mm/percpu.c:1774 __alloc_percpu+0x24/0x30 mm/percpu.c:1950 ipv4_mib_init_net+0x213/0x4a0 net/ipv4/af_inet.c:1775 ops_init+0x1cf/0x490 net/core/net_namespace.c:135 setup_net+0x4ca/0xd60 net/core/net_namespace.c:332 copy_net_ns+0x35c/0x5b0 net/core/net_namespace.c:478 create_new_namespaces+0x416/0x670 kernel/nsproxy.c:110 copy_namespaces+0x1d1/0x220 kernel/nsproxy.c:178 copy_process+0x12e2/0x3530 kernel/fork.c:2373 kernel_clone+0x229/0x890 kernel/fork.c:2786 __do_sys_clone kernel/fork.c:2929 [inline] __se_sys_clone kernel/fork.c:2913 [inline] __x64_sys_clone+0x231/0x280 kernel/fork.c:2913 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f23fe07dea9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f23feda5078 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f23fe1abf80 RCX: 00007f23fe07dea9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000660694c0 RBP: 00007f23fe0ca4a4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 000000000000000b R14: 00007f23fe1abf80 R15: 00007ffd1f0a39c8