RAX: ffffffffffffffda RBX: 00007f99a778fc90 RCX: 0000000000457579
RDX: 00000000200006c0 RSI: 0000000000001269 RDI: 0000000000000003
RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f99a77906d4
R13: 00000000004be93a R14: 00000000004ce5f0 R15: 0000000000000004
BUG: sleeping function called from invalid context at mm/slab.h:421
in_atomic(): 1, irqs_disabled(): 0, pid: 0, name: swapper/1
INFO: lockdep is turned off.
Preemption disabled at:
[<ffffffff8133b034>] start_secondary+0x194/0x5f0 arch/x86/kernel/smpboot.c:235
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.19.0-rc7-next-20181008+ #89
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x3ab lib/dump_stack.c:113
 ___might_sleep.cold.88+0x221/0x254 kernel/sched/core.c:6150
 __might_sleep+0x95/0x190 kernel/sched/core.c:6103
 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+0x1006/0x1ac0 kernel/rcu/tree.c:2697
 __do_softirq+0x30d/0xb26 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
 </IRQ>
RIP: 0010:native_safe_halt+0x6/0x10 arch/x86/include/asm/irqflags.h:57
Code: 45 d8 e8 ed 79 06 fa 48 8b 45 d8 e9 ca fe ff ff 48 89 df e8 dc 79 06 fa eb 82 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 90 90 90 90 90
RSP: 0018:ffff8801d9b07c30 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: 1ffff1003b360f8a RCX: ffffffff8184a78a
RDX: 1ffffffff1263eb9 RSI: ffffffff8184a7a4 RDI: ffffffff8931f5c8
RBP: ffff8801d9b07c30 R08: ffff8801d9af2340 R09: ffffed003b5e5b4f
R10: ffffed003b5e5b4f R11: ffff8801daf2da7b R12: ffff8801d9b07cf0
R13: ffffffff89f2a2e0 R14: 0000000000000000 R15: 0000000000000001
 arch_safe_halt arch/x86/include/asm/paravirt.h:151 [inline]
 default_idle+0xbf/0x490 arch/x86/kernel/process.c:498
 arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:489
 default_idle_call+0x6d/0x90 kernel/sched/idle.c:93
 cpuidle_idle_call kernel/sched/idle.c:153 [inline]
 do_idle+0x49b/0x5c0 kernel/sched/idle.c:262
 cpu_startup_entry+0x10c/0x120 kernel/sched/idle.c:368
 start_secondary+0x487/0x5f0 arch/x86/kernel/smpboot.c:271
 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 17665 Comm: syz-executor0 Tainted: G        W         4.19.0-rc7-next-20181008+ #89
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+0x244/0x3ab lib/dump_stack.c:113
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold.4+0xa/0x17 lib/fault-inject.c:149
 __should_failslab+0x124/0x180 mm/failslab.c:32
 should_failslab+0x9/0x14 mm/slab_common.c:1578
 slab_pre_alloc_hook mm/slab.h:423 [inline]
 slab_alloc mm/slab.c:3378 [inline]
 __do_kmalloc mm/slab.c:3720 [inline]
 __kmalloc+0x2e0/0x760 mm/slab.c:3731
 kmalloc include/linux/slab.h:551 [inline]
 kzalloc include/linux/slab.h:741 [inline]
 kobject_get_path+0xc2/0x1b0 lib/kobject.c:171
 kobject_uevent_env+0x314/0x101e lib/kobject_uevent.c:519
 kobject_uevent+0x1f/0x24 lib/kobject_uevent.c:636
 device_del+0x6c9/0xb70 drivers/base/core.c:2091
 delete_partition+0x233/0x2c0 block/partition-generic.c:288
 blkpg_ioctl+0x3c5/0xc10 block/ioctl.c:93
 blkdev_ioctl+0x1864/0x2010 block/ioctl.c:573
 block_ioctl+0xee/0x130 fs/block_dev.c:1883
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:501 [inline]
 do_vfs_ioctl+0x1de/0x1720 fs/ioctl.c:685
 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:702
 __do_sys_ioctl fs/ioctl.c:709 [inline]
 __se_sys_ioctl fs/ioctl.c:707 [inline]
 __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:707
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 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:00007f99a778fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f99a778fc90 RCX: 0000000000457579
RDX: 00000000200006c0 RSI: 0000000000001269 RDI: 0000000000000003