BUG: sleeping function called from invalid context at mm/slab.h:421 in_atomic(): 1, irqs_disabled(): 0, pid: 19322, name: syz-executor0 INFO: lockdep is turned off. Preemption disabled at: [] spin_lock include/linux/spinlock.h:329 [inline] [] zap_pte_range mm/memory.c:1299 [inline] [] zap_pmd_range mm/memory.c:1440 [inline] [] zap_pud_range mm/memory.c:1469 [inline] [] zap_p4d_range mm/memory.c:1490 [inline] [] unmap_page_range+0x95e/0x2030 mm/memory.c:1511 CPU: 0 PID: 19322 Comm: syz-executor0 Not tainted 4.19.0-rc7+ #273 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 ___might_sleep.cold.82+0x1ba/0x1f3 kernel/sched/core.c:6143 __might_sleep+0x95/0x190 kernel/sched/core.c:6096 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc_trace+0x2cd/0x750 mm/slab.c:3618 kmalloc include/linux/slab.h:513 [inline] kzalloc include/linux/slab.h:707 [inline] kobject_uevent_env+0x2f3/0x101e lib/kobject_uevent.c:514 kobject_uevent+0x1f/0x24 lib/kobject_uevent.c:636 kobject_cleanup lib/kobject.c:649 [inline] kobject_release lib/kobject.c:691 [inline] kref_put include/linux/kref.h:70 [inline] kobject_put.cold.9+0x170/0x2e4 lib/kobject.c:708 put_device+0x20/0x30 drivers/base/core.c:2024 delete_partition_rcu_cb+0x147/0x1b0 block/partition-generic.c:259 __rcu_reclaim kernel/rcu/rcu.h:236 [inline] rcu_do_batch kernel/rcu/tree.c:2576 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2880 [inline] __rcu_process_callbacks kernel/rcu/tree.c:2847 [inline] rcu_process_callbacks+0xf23/0x2670 kernel/rcu/tree.c:2864 __do_softirq+0x30b/0xad8 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864 RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:23 [inline] RIP: 0010:check_kcov_mode kernel/kcov.c:67 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x14/0x50 kernel/kcov.c:101 Code: 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 65 8b 15 2c 18 83 7e <81> e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 12 00 00 83 fa 02 75 RSP: 0018:ffff880180b2eb90 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: ffff8801d287a4c0 RBX: 00000000001c1a73 RCX: ffffffff81b1fed2 RDX: 0000000080000001 RSI: 0000000000000000 RDI: 0000000000000005 RBP: ffff880180b2eb90 R08: ffff8801d287a4c0 R09: fffff94000e0d396 R10: fffff94000e0d396 R11: ffffea0007069cb3 R12: 1ffff10030165d76 R13: ffff880180b2ec10 R14: 80000001c1a73007 R15: ffff8801c55fb420 _vm_normal_page+0x211/0x3c0 mm/memory.c:884 zap_pte_range mm/memory.c:1311 [inline] zap_pmd_range mm/memory.c:1440 [inline] zap_pud_range mm/memory.c:1469 [inline] zap_p4d_range mm/memory.c:1490 [inline] unmap_page_range+0x9e1/0x2030 mm/memory.c:1511 unmap_single_vma+0x19b/0x310 mm/memory.c:1556 unmap_vmas+0x125/0x200 mm/memory.c:1586 exit_mmap+0x2be/0x590 mm/mmap.c:3093 __mmput kernel/fork.c:1001 [inline] mmput+0x247/0x610 kernel/fork.c:1022 exit_mm kernel/exit.c:545 [inline] do_exit+0xe6f/0x2610 kernel/exit.c:854 do_group_exit+0x177/0x440 kernel/exit.c:970 get_signal+0x8b0/0x1980 kernel/signal.c:2513 do_signal+0x9c/0x21e0 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x2e5/0x380 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457579 Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007efc8ea2ecf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 000000000072bf08 RCX: 0000000000457579 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072bf08 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072bf0c R13: 00007ffdc1b2997f R14: 00007efc8ea2f9c0 R15: 0000000000000000 device veth0_to_bond entered promiscuous mode device bridge_slave_0 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready