BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:321 in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 2905, name: syz.3.16 preempt_count: 0, expected: 0 RCU nest depth: 1, expected: 0 2 locks held by syz.3.16/2905: #0: ffffffff8277a930 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline] #0: ffffffff8277a930 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline] #0: ffffffff8277a930 (rcu_read_lock){....}-{1:2}, at: query_vma_setup+0x10/0x50 fs/proc/task_mmu.c:499 #1: ffff888109746088 (vm_lock){....}-{0:0}, at: get_next_vma+0xa6/0xe0 fs/proc/task_mmu.c:182 CPU: 0 UID: 0 PID: 2905 Comm: syz.3.16 Not tainted 6.16.0-rc3-syzkaller #0 PREEMPT(undef) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Call Trace: dump_stack_lvl+0xa2/0xf0 lib/dump_stack.c:120 __might_resched+0x1bc/0x1e0 kernel/sched/core.c:8800 might_alloc include/linux/sched/mm.h:321 [inline] slab_pre_alloc_hook mm/slub.c:4100 [inline] slab_alloc_node mm/slub.c:4178 [inline] __do_kmalloc_node mm/slub.c:4328 [inline] __kmalloc_noprof+0xb5/0x4d0 mm/slub.c:4341 kmalloc_noprof include/linux/slab.h:909 [inline] do_procmap_query fs/proc/task_mmu.c:690 [inline] procfs_procmap_ioctl+0x460/0x6a0 fs/proc/task_mmu.c:748 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0x69/0xc0 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x8f/0x250 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb15469e929 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb15410f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fb1548c5fa0 RCX: 00007fb15469e929 RDX: 0000200000000180 RSI: 00000000c0686611 RDI: 0000000000000003 RBP: 00007fb154720b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fb1548c5fa0 R15: 00007ffd77e53388