RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc7dce4a6d4 R13: 00000000004be8d9 R14: 00000000004ce590 R15: 0000000000000004 EXT4-fs: 13 callbacks suppressed EXT4-fs (sda1): re-mounted. Opts: init_itable=0x0000000000000000,,errors=continue BUG: sleeping function called from invalid context at mm/slab.h:421 in_atomic(): 1, irqs_disabled(): 0, pid: 6047, name: udevd INFO: lockdep is turned off. Preemption disabled at: [] __do_softirq+0x184/0xb26 kernel/softirq.c:269 CPU: 1 PID: 6047 Comm: udevd Not tainted 4.19.0-rc7-next-20181010+ #91 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 ___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 RIP: 0010:update_stack_state+0x3f9/0x690 arch/x86/kernel/unwind_frame.c:208 Code: 00 eb 02 31 c0 4c 8b a5 18 ff ff ff 48 ba 00 00 00 00 00 fc ff df 49 01 d4 49 c7 04 24 00 00 00 00 49 c7 44 24 08 00 00 00 00 <48> 8b 5d d0 65 48 33 1c 25 28 00 00 00 0f 85 0b 02 00 00 48 81 c4 RSP: 0018:ffff8801bdbd7600 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000001 RBX: ffff8801bdbd7c40 RCX: 1ffff10037b7af00 RDX: dffffc0000000000 RSI: ffff8801bdbd7c50 RDI: ffff8801bdbd7878 RBP: ffff8801bdbd7708 R08: ffff8801bdbd7868 R09: ffff8801be53e580 R10: ffffed0037b7af10 R11: ffff8801bdbd7887 R12: ffffed0037b7aec8 R13: ffff8801bdbd7820 R14: ffff8801bdbd7830 R15: ffff8801bdbd7870 unwind_next_frame.part.7+0x1ae/0x9e0 arch/x86/kernel/unwind_frame.c:329 unwind_next_frame+0x3e/0x50 arch/x86/kernel/unwind_frame.c:287 __save_stack_trace+0x7d/0xf0 arch/x86/kernel/stacktrace.c:44 save_stack_trace+0x1a/0x20 arch/x86/kernel/stacktrace.c:60 save_stack+0x43/0xd0 mm/kasan/kasan.c:448 set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc+0xc7/0xe0 mm/kasan/kasan.c:553 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:490 kmem_cache_alloc+0x12e/0x730 mm/slab.c:3554 getname_flags+0xd0/0x590 fs/namei.c:140 user_path_at_empty+0x2d/0x50 fs/namei.c:2608 user_path_at include/linux/namei.h:57 [inline] vfs_statx+0x129/0x210 fs/stat.c:185 vfs_stat include/linux/fs.h:3157 [inline] __do_sys_newstat+0x8f/0x110 fs/stat.c:339 __se_sys_newstat fs/stat.c:335 [inline] __x64_sys_newstat+0x54/0x80 fs/stat.c:335 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f1ad4925c65 Code: 00 00 00 e8 5d 01 00 00 48 83 c4 18 c3 90 90 90 90 90 90 90 90 83 ff 01 48 89 f0 77 18 48 89 c7 48 89 d6 b8 04 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 17 f3 c3 90 48 8b 05 a1 51 2b 00 64 c7 00 16 RSP: 002b:00007fff8cc5af58 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 RAX: ffffffffffffffda RBX: 0000000000000704 RCX: 00007f1ad4925c65 RDX: 00007fff8cc5afc0 RSI: 00007fff8cc5afc0 RDI: 00007fff8cc5b850 RBP: 00000000000003e9 R08: 0000000001be38c0 R09: 00007f1ad497c3d0 R10: 7269762f73656369 R11: 0000000000000246 R12: 0000000001be38c0 R13: 0000000000000001 R14: 0000000000000000 R15: 0000000001bedc99 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 11106 Comm: syz-executor0 Tainted: G W 4.19.0-rc7-next-20181010+ #91 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: 0033:0x457519 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:00007fc7dce49c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fc7dce49c90 RCX: 0000000000457519 RDX: 00000000200006c0 RSI: 0000000000001269 RDI: 0000000000000003 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc7dce4a6d4 R13: 00000000004be8d9 R14: 00000000004ce590 R15: 0000000000000004 EXT4-fs (sda1): re-mounted. Opts: init_itable=0x0000000000000000,,errors=continue EXT4-fs (sda1): re-mounted. Opts: init_itable=0x0000000000000000,,errors=continue BUG: sleeping function called from invalid context at mm/slab.h:421 in_atomic(): 1, irqs_disabled(): 0, pid: 9, name: ksoftirqd/0 INFO: lockdep is turned off. Preemption disabled at: [] __do_softirq+0x184/0xb26 kernel/softirq.c:269 CPU: 0 PID: 9 Comm: ksoftirqd/0 Tainted: G W 4.19.0-rc7-next-20181010+ #91 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 ___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 run_ksoftirqd+0x5e/0x100 kernel/softirq.c:654 smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164 kthread+0x35a/0x440 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Unknown ioctl 1074021761 Unknown ioctl 26124 Unknown ioctl -1072667619 Unknown ioctl 1074021761 Unknown ioctl 26124 Unknown ioctl -1072667619 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 11143 Comm: syz-executor0 Tainted: G W 4.19.0-rc7-next-20181010+ #91 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: 0033:0x457519 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:00007fc7dce49c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fc7dce49c90 RCX: 0000000000457519 RDX: 00000000200006c0 RSI: 0000000000001269 RDI: 0000000000000003 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc7dce4a6d4 R13: 00000000004be8d9 R14: 00000000004ce590 R15: 0000000000000004 EXT4-fs (sda1): re-mounted. Opts: init_itable=0x0000000000000000,,errors=continue BUG: sleeping function called from invalid context at mm/slab.h:421 in_atomic(): 1, irqs_disabled(): 0, pid: 16, name: ksoftirqd/1 INFO: lockdep is turned off. Preemption disabled at: [] __do_softirq+0x184/0xb26 kernel/softirq.c:269 CPU: 1 PID: 16 Comm: ksoftirqd/1 Tainted: G W 4.19.0-rc7-next-20181010+ #91 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 ___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 run_ksoftirqd+0x5e/0x100 kernel/softirq.c:654 smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164 kthread+0x35a/0x440 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 EXT4-fs (sda1): re-mounted. Opts: init_itable=0x0000000000000000,,errors=continue FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 11196 Comm: syz-executor0 Tainted: G W 4.19.0-rc7-next-20181010+ #91 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_node mm/slab.c:3299 [inline] kmem_cache_alloc_node_trace+0x270/0x740 mm/slab.c:3661 __do_kmalloc_node mm/slab.c:3683 [inline] __kmalloc_node_track_caller+0x3c/0x70 mm/slab.c:3698 __kmalloc_reserve.isra.40+0x41/0xe0 net/core/skbuff.c:137 __alloc_skb+0x150/0x770 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:997 [inline] alloc_uevent_skb+0x84/0x1da lib/kobject_uevent.c:288 uevent_net_broadcast_untagged lib/kobject_uevent.c:324 [inline] kobject_uevent_net_broadcast lib/kobject_uevent.c:406 [inline] kobject_uevent_env+0xa52/0x101e lib/kobject_uevent.c:587 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: 0033:0x457519 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:00007fc7dce49c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fc7dce49c90 RCX: 0000000000457519 RDX: 00000000200006c0 RSI: 0000000000001269 RDI: 0000000000000003 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc7dce4a6d4 R13: 00000000004be8d9 R14: 00000000004ce590 R15: 0000000000000004 EXT4-fs (sda1): re-mounted. Opts: init_itable=0x0000000000000000,,errors=continue FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 11234 Comm: syz-executor0 Tainted: G W 4.19.0-rc7-next-20181010+ #91 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_node mm/slab.c:3299 [inline] kmem_cache_alloc_node_trace+0x270/0x740 mm/slab.c:3661 __do_kmalloc_node mm/slab.c:3683 [inline] __kmalloc_node_track_caller+0x3c/0x70 mm/slab.c:3698 __kmalloc_reserve.isra.40+0x41/0xe0 net/core/skbuff.c:137 __alloc_skb+0x150/0x770 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:997 [inline] alloc_uevent_skb+0x84/0x1da lib/kobject_uevent.c:288 uevent_net_broadcast_untagged lib/kobject_uevent.c:324 [inline] kobject_uevent_net_broadcast lib/kobject_uevent.c:406 [inline] kobject_uevent_env+0xa52/0x101e lib/kobject_uevent.c:587 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: 0033:0x457519 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:00007fc7dce49c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fc7dce49c90 RCX: 0000000000457519 RDX: 00000000200006c0 RSI: 0000000000001269 RDI: 0000000000000003 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc7dce4a6d4 R13: 00000000004be8d9 R14: 00000000004ce590 R15: 0000000000000004 EXT4-fs (sda1): re-mounted. Opts: init_itable=0x0000000000000000,,errors=continue EXT4-fs (sda1): re-mounted. Opts: init_itable=0x0000000000000000,,errors=continue EXT4-fs (sda1): re-mounted. Opts: init_itable=0x0000000000000000,,errors=continue FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 11288 Comm: syz-executor0 Tainted: G W 4.19.0-rc7-next-20181010+ #91 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] kmem_cache_alloc+0x2be/0x730 mm/slab.c:3552 skb_clone+0x1bb/0x500 net/core/skbuff.c:1280 do_one_broadcast net/netlink/af_netlink.c:1435 [inline] netlink_broadcast_filtered+0x110f/0x1680 net/netlink/af_netlink.c:1510 netlink_broadcast+0x3a/0x50 net/netlink/af_netlink.c:1534 uevent_net_broadcast_untagged lib/kobject_uevent.c:329 [inline] kobject_uevent_net_broadcast lib/kobject_uevent.c:406 [inline] kobject_uevent_env+0xa83/0x101e lib/kobject_uevent.c:587 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: 0033:0x457519 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:00007fc7dce49c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fc7dce49c90 RCX: 0000000000457519 RDX: 00000000200006c0 RSI: 0000000000001269 RDI: 0000000000000003 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc7dce4a6d4 R13: 00000000004be8d9 R14: 00000000004ce590 R15: 0000000000000004 EXT4-fs (sda1): re-mounted. Opts: init_itable=0x0000000000000000,,errors=continue EXT4-fs (sda1): re-mounted. Opts: init_itable=0x0000000000000000,,errors=continue EXT4-fs (sda1): re-mounted. Opts: init_itable=0x0000000000000000,,errors=continue EXT4-fs (sda1): re-mounted. Opts: init_itable=0x0000000000000000,,errors=continue EXT4-fs (sda1): re-mounted. Opts: init_itable=0x0000000000000000,,errors=continue EXT4-fs (sda1): re-mounted. Opts: init_itable=0x0000000000000000,,errors=continue EXT4-fs (sda1): re-mounted. Opts: init_itable=0x0000000000000000,,errors=continue EXT4-fs (sda1): re-mounted. Opts: init_itable=0x0000000000000000,,errors=continue EXT4-fs (sda1): re-mounted. Opts: init_itable=0x0000000000000000,,errors=continue Unknown ioctl 21506 Unknown ioctl 21506