RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000a R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000004 R13: 0000000000000000 R14: 00000000004d7e00 R15: 0000000000000003 loop0: p1 p2 p3 p4 < > BUG: sleeping function called from invalid context at mm/slab.h:421 in_atomic(): 1, irqs_disabled(): 0, pid: 13764, name: syz-executor3 INFO: lockdep is turned off. Preemption disabled at: [] spin_lock include/linux/spinlock.h:329 [inline] [] zap_pte_range mm/memory.c:1052 [inline] [] zap_pmd_range mm/memory.c:1193 [inline] [] zap_pud_range mm/memory.c:1222 [inline] [] zap_p4d_range mm/memory.c:1243 [inline] [] unmap_page_range+0x98f/0x2510 mm/memory.c:1264 CPU: 1 PID: 13764 Comm: syz-executor3 Not tainted 4.19.0-rc6-next-20181003+ #86 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+0x1d3/0x2c4 lib/dump_stack.c:113 ___might_sleep.cold.89+0x1ba/0x1f3 kernel/sched/core.c:6149 __might_sleep+0x95/0x190 kernel/sched/core.c:6102 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:546 [inline] kzalloc include/linux/slab.h:741 [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:240 [inline] rcu_do_batch kernel/rcu/tree.c:2437 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2716 [inline] rcu_process_callbacks+0xff9/0x1ad0 kernel/rcu/tree.c:2697 __do_softirq+0x30b/0xb03 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x750 arch/x86/kernel/apic/apic.c:1061 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:804 RIP: 0010:__sanitizer_cov_trace_pc+0x1/0x50 kernel/kcov.c:94 Code: dd 28 00 00 00 4d 39 d0 72 1b 49 83 c1 01 4a 89 7c 10 e0 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 7c 80 84 7e 81 e2 00 RSP: 0018:ffff880187c967d8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 1ffff10030f92cfe RCX: ffffffff81bbf9dc RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007 RBP: ffff880187c968b8 R08: ffff880189410700 R09: ffffed003b34d240 R10: ffffed003b34d240 R11: ffff8801d9a69203 R12: 0000000000000000 R13: ffffea0006534dc0 R14: ffff880187c96890 R15: 0000000000000000 page_remove_file_rmap mm/rmap.c:1218 [inline] page_remove_rmap+0x85d/0x1a30 mm/rmap.c:1300 zap_pte_range mm/memory.c:1091 [inline] zap_pmd_range mm/memory.c:1193 [inline] zap_pud_range mm/memory.c:1222 [inline] zap_p4d_range mm/memory.c:1243 [inline] unmap_page_range+0xf53/0x2510 mm/memory.c:1264 unmap_single_vma+0x19b/0x310 mm/memory.c:1309 unmap_vmas+0x125/0x200 mm/memory.c:1339 exit_mmap+0x2be/0x590 mm/mmap.c:3121 __mmput kernel/fork.c:1045 [inline] mmput+0x247/0x610 kernel/fork.c:1066 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+0x8a8/0x1970 kernel/signal.c:2517 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: 0033:0x4111d1 Code: Bad RIP value. RSP: 002b:00007f63382167a0 EFLAGS: 00000293 ORIG_RAX: 0000000000000002 RAX: 0000000000000003 RBX: 6666666666666667 RCX: 00000000004111d1 RDX: 0000000000000000 RSI: 0000000000100082 RDI: 00007f6338216850 RBP: 000000000072bf00 R08: 000000000000000f R09: 0000000000000000 R10: 00007f63382179d0 R11: 0000000000000293 R12: 00007f63382176d4 R13: 00000000004c4cbb R14: 00000000004d8070 R15: 00000000ffffffff BUG: sleeping function called from invalid context at mm/slab.c:3066 in_atomic(): 1, irqs_disabled(): 0, pid: 13764, name: syz-executor3 INFO: lockdep is turned off. Preemption disabled at: [] spin_lock include/linux/spinlock.h:329 [inline] [] zap_pte_range mm/memory.c:1052 [inline] [] zap_pmd_range mm/memory.c:1193 [inline] [] zap_pud_range mm/memory.c:1222 [inline] [] zap_p4d_range mm/memory.c:1243 [inline] [] unmap_page_range+0x98f/0x2510 mm/memory.c:1264 CPU: 1 PID: 13764 Comm: syz-executor3 Tainted: G W 4.19.0-rc6-next-20181003+ #86 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+0x1d3/0x2c4 lib/dump_stack.c:113 ___might_sleep.cold.89+0x1ba/0x1f3 kernel/sched/core.c:6149 __might_sleep+0x95/0x190 kernel/sched/core.c:6102 cache_alloc_debugcheck_before mm/slab.c:3066 [inline] slab_alloc mm/slab.c:3382 [inline] kmem_cache_alloc_trace+0x307/0x750 mm/slab.c:3618 kmalloc include/linux/slab.h:546 [inline] kzalloc include/linux/slab.h:741 [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:240 [inline] rcu_do_batch kernel/rcu/tree.c:2437 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2716 [inline] rcu_process_callbacks+0xff9/0x1ad0 kernel/rcu/tree.c:2697 __do_softirq+0x30b/0xb03 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x750 arch/x86/kernel/apic/apic.c:1061 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:804 RIP: 0010:__sanitizer_cov_trace_pc+0x1/0x50 kernel/kcov.c:94 Code: dd 28 00 00 00 4d 39 d0 72 1b 49 83 c1 01 4a 89 7c 10 e0 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 7c 80 84 7e 81 e2 00 RSP: 0018:ffff880187c967d8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 1ffff10030f92cfe RCX: ffffffff81bbf9dc RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007 RBP: ffff880187c968b8 R08: ffff880189410700 R09: ffffed003b34d240 R10: ffffed003b34d240 R11: ffff8801d9a69203 R12: 0000000000000000 R13: ffffea0006534dc0 R14: ffff880187c96890 R15: 0000000000000000 page_remove_file_rmap mm/rmap.c:1218 [inline] page_remove_rmap+0x85d/0x1a30 mm/rmap.c:1300 zap_pte_range mm/memory.c:1091 [inline] zap_pmd_range mm/memory.c:1193 [inline] zap_pud_range mm/memory.c:1222 [inline] zap_p4d_range mm/memory.c:1243 [inline] unmap_page_range+0xf53/0x2510 mm/memory.c:1264 unmap_single_vma+0x19b/0x310 mm/memory.c:1309 unmap_vmas+0x125/0x200 mm/memory.c:1339 exit_mmap+0x2be/0x590 mm/mmap.c:3121 __mmput kernel/fork.c:1045 [inline] mmput+0x247/0x610 kernel/fork.c:1066 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+0x8a8/0x1970 kernel/signal.c:2517 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: 0033:0x4111d1 Code: Bad RIP value. RSP: 002b:00007f63382167a0 EFLAGS: 00000293 ORIG_RAX: 0000000000000002 RAX: 0000000000000003 RBX: 6666666666666667 RCX: 00000000004111d1 RDX: 0000000000000000 RSI: 0000000000100082 RDI: 00007f6338216850 RBP: 000000000072bf00 R08: 000000000000000f R09: 0000000000000000 loop0: p1 p2 p3 p4 < > R10: 00007f63382179d0 R11: 0000000000000293 R12: 00007f63382176d4 R13: 00000000004c4cbb R14: 00000000004d8070 R15: 00000000ffffffff Unknown ioctl -1072667641 mmap: syz-executor3 (14133) uses deprecated remap_file_pages() syscall. See Documentation/vm/remap_file_pages.rst. Unknown ioctl -1061399792 Unknown ioctl 1101049485 Unknown ioctl -1061399792 Unknown ioctl 1101049485 IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21