loop1: rw=2049, want=81224, limit=40427 BUG: sleeping function called from invalid context at include/linux/sched/mm.h:209 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 3673, name: syz-executor.1 1 lock held by syz-executor.1/3673: #0: ffff888019e928b8 (ptlock_ptr(page)#2){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:363 [inline] #0: ffff888019e928b8 (ptlock_ptr(page)#2){+.+.}-{2:2}, at: zap_pte_range mm/memory.c:1331 [inline] #0: ffff888019e928b8 (ptlock_ptr(page)#2){+.+.}-{2:2}, at: zap_pmd_range mm/memory.c:1494 [inline] #0: ffff888019e928b8 (ptlock_ptr(page)#2){+.+.}-{2:2}, at: zap_pud_range mm/memory.c:1523 [inline] #0: ffff888019e928b8 (ptlock_ptr(page)#2){+.+.}-{2:2}, at: zap_p4d_range mm/memory.c:1544 [inline] #0: ffff888019e928b8 (ptlock_ptr(page)#2){+.+.}-{2:2}, at: unmap_page_range+0x9c3/0x2630 mm/memory.c:1565 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 0 PID: 3673 Comm: syz-executor.1 Not tainted 5.15.138-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 ___might_sleep+0x547/0x6a0 kernel/sched/core.c:9620 might_alloc include/linux/sched/mm.h:209 [inline] slab_pre_alloc_hook+0x44/0xc0 mm/slab.h:492 slab_alloc_node mm/slub.c:3134 [inline] slab_alloc mm/slub.c:3228 [inline] kmem_cache_alloc+0x3f/0x280 mm/slub.c:3233 f2fs_kmem_cache_alloc_nofail fs/f2fs/f2fs.h:2627 [inline] f2fs_kmem_cache_alloc fs/f2fs/f2fs.h:2637 [inline] f2fs_register_inmem_page+0x1d0/0x6f0 fs/f2fs/segment.c:192 f2fs_set_data_page_dirty+0x7bb/0xa90 fs/f2fs/data.c:3785 zap_pte_range mm/memory.c:1366 [inline] zap_pmd_range mm/memory.c:1494 [inline] zap_pud_range mm/memory.c:1523 [inline] zap_p4d_range mm/memory.c:1544 [inline] unmap_page_range+0xdcd/0x2630 mm/memory.c:1565 unmap_vmas+0x1f8/0x390 mm/memory.c:1642 exit_mmap+0x3b6/0x670 mm/mmap.c:3186 __mmput+0x112/0x3b0 kernel/fork.c:1126 exit_mm+0x688/0x7f0 kernel/exit.c:548 do_exit+0x626/0x2480 kernel/exit.c:859 do_group_exit+0x144/0x310 kernel/exit.c:994 get_signal+0xc66/0x14e0 kernel/signal.c:2889 arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:867 handle_signal_work kernel/entry/common.c:148 [inline] exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:172 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:208 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline] syscall_exit_to_user_mode+0x5d/0x250 kernel/entry/common.c:301 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f263037dae9 Code: Unable to access opcode bytes at RIP 0x7f263037dabf. RSP: 002b:00007f262f6de0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: 0000000000000000 RBX: 00007f263049d050 RCX: 00007f263037dae9 RDX: 0000000000000000 RSI: 000000000000f501 RDI: 0000000000000005 RBP: 00007f26303c947a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f263049d050 R15: 00007fff12975fb8 ============================= [ BUG: Invalid wait context ] 5.15.138-syzkaller #0 Tainted: G W ----------------------------- syz-executor.1/3673 is trying to lock: ffff888063ee4918 (&fi->inmem_lock){+.+.}-{3:3}, at: f2fs_register_inmem_page+0x31b/0x6f0 fs/f2fs/segment.c:201 other info that might help us debug this: context-{4:4} 1 lock held by syz-executor.1/3673: #0: ffff888019e928b8 (ptlock_ptr(page)#2){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:363 [inline] #0: ffff888019e928b8 (ptlock_ptr(page)#2){+.+.}-{2:2}, at: zap_pte_range mm/memory.c:1331 [inline] #0: ffff888019e928b8 (ptlock_ptr(page)#2){+.+.}-{2:2}, at: zap_pmd_range mm/memory.c:1494 [inline] #0: ffff888019e928b8 (ptlock_ptr(page)#2){+.+.}-{2:2}, at: zap_pud_range mm/memory.c:1523 [inline] #0: ffff888019e928b8 (ptlock_ptr(page)#2){+.+.}-{2:2}, at: zap_p4d_range mm/memory.c:1544 [inline] #0: ffff888019e928b8 (ptlock_ptr(page)#2){+.+.}-{2:2}, at: unmap_page_range+0x9c3/0x2630 mm/memory.c:1565 stack backtrace: CPU: 0 PID: 3673 Comm: syz-executor.1 Tainted: G W 5.15.138-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 print_lock_invalid_wait_context kernel/locking/lockdep.c:4663 [inline] check_wait_context kernel/locking/lockdep.c:4724 [inline] __lock_acquire+0x14f5/0x1ff0 kernel/locking/lockdep.c:4961 lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5622 __mutex_lock_common+0x1da/0x25a0 kernel/locking/mutex.c:596 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743 f2fs_register_inmem_page+0x31b/0x6f0 fs/f2fs/segment.c:201 f2fs_set_data_page_dirty+0x7bb/0xa90 fs/f2fs/data.c:3785 zap_pte_range mm/memory.c:1366 [inline] zap_pmd_range mm/memory.c:1494 [inline] zap_pud_range mm/memory.c:1523 [inline] zap_p4d_range mm/memory.c:1544 [inline] unmap_page_range+0xdcd/0x2630 mm/memory.c:1565 unmap_vmas+0x1f8/0x390 mm/memory.c:1642 exit_mmap+0x3b6/0x670 mm/mmap.c:3186 __mmput+0x112/0x3b0 kernel/fork.c:1126 exit_mm+0x688/0x7f0 kernel/exit.c:548 do_exit+0x626/0x2480 kernel/exit.c:859 do_group_exit+0x144/0x310 kernel/exit.c:994 get_signal+0xc66/0x14e0 kernel/signal.c:2889 arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:867 handle_signal_work kernel/entry/common.c:148 [inline] exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:172 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:208 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline] syscall_exit_to_user_mode+0x5d/0x250 kernel/entry/common.c:301 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f263037dae9 Code: Unable to access opcode bytes at RIP 0x7f263037dabf. RSP: 002b:00007f262f6de0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: 0000000000000000 RBX: 00007f263049d050 RCX: 00007f263037dae9 RDX: 0000000000000000 RSI: 000000000000f501 RDI: 0000000000000005 RBP: 00007f26303c947a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f263049d050 R15: 00007fff12975fb8