================================ WARNING: inconsistent lock state 4.20.0-rc6+ #374 Not tainted -------------------------------- inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. blkid/17112 [HC0[0]:SC1[1]:HE1:SE0] takes: 0000000001eb41ad (fs_reclaim){+.?.}, at: fs_reclaim_acquire.part.97+0x0/0x30 mm/internal.h:79 {SOFTIRQ-ON-W} state was registered at: lock_acquire+0x1ed/0x520 kernel/locking/lockdep.c:3844 __fs_reclaim_acquire mm/page_alloc.c:3730 [inline] fs_reclaim_acquire.part.97+0x24/0x30 mm/page_alloc.c:3741 fs_reclaim_acquire+0x14/0x20 mm/page_alloc.c:3742 slab_pre_alloc_hook mm/slab.h:418 [inline] slab_alloc_node mm/slab.c:3299 [inline] kmem_cache_alloc_node_trace+0x3c/0x740 mm/slab.c:3661 kobject: 'loop0p243' (00000000be930c41): kobject_add_internal: parent: 'loop0', set: 'devices' kmalloc_node include/linux/slab.h:584 [inline] kzalloc_node include/linux/slab.h:752 [inline] alloc_worker+0xc5/0x300 kernel/workqueue.c:1704 init_rescuer.part.24+0x1f/0x190 kernel/workqueue.c:4028 kobject: 'loop0p243' (00000000be930c41): kobject_uevent_env init_rescuer kernel/workqueue.c:4025 [inline] workqueue_init+0x491/0x744 kernel/workqueue.c:5794 kernel_init_freeable+0x3bb/0x6bf init/main.c:1139 kobject: 'loop0p243' (00000000be930c41): kobject_uevent_env: uevent_suppress caused the event to drop! kernel_init+0x11/0x1ae init/main.c:1071 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 kobject: 'holders' (000000006241a2e3): kobject_add_internal: parent: 'loop0p243', set: '' irq event stamp: 2294 hardirqs last enabled at (2294): [] console_unlock+0xcfb/0x1190 kernel/printk/printk.c:2443 hardirqs last disabled at (2293): [] console_unlock+0x2d9/0x1190 kernel/printk/printk.c:2353 kobject: 'loop0p243' (00000000be930c41): kobject_uevent_env softirqs last enabled at (288): [] __do_softirq+0x7df/0xb7e kernel/softirq.c:319 softirqs last disabled at (2263): [] invoke_softirq kernel/softirq.c:373 [inline] softirqs last disabled at (2263): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:413 other info that might help us debug this: kobject: 'loop0p243' (00000000be930c41): fill_kobj_path: path = '/devices/virtual/block/loop0/loop0p243' Possible unsafe locking scenario: CPU0 ---- lock(fs_reclaim); lock(fs_reclaim); *** DEADLOCK *** 3 locks held by blkid/17112: #0: 00000000cf9b77be (&(ptlock_ptr(page))->rlock#2){+.+.}, at: spin_lock include/linux/spinlock.h:329 [inline] #0: 00000000cf9b77be (&(ptlock_ptr(page))->rlock#2){+.+.}, at: zap_pte_range mm/memory.c:1052 [inline] #0: 00000000cf9b77be (&(ptlock_ptr(page))->rlock#2){+.+.}, at: zap_pmd_range mm/memory.c:1193 [inline] #0: 00000000cf9b77be (&(ptlock_ptr(page))->rlock#2){+.+.}, at: zap_pud_range mm/memory.c:1222 [inline] #0: 00000000cf9b77be (&(ptlock_ptr(page))->rlock#2){+.+.}, at: zap_p4d_range mm/memory.c:1243 [inline] #0: 00000000cf9b77be (&(ptlock_ptr(page))->rlock#2){+.+.}, at: unmap_page_range+0xc1b/0x2930 mm/memory.c:1264 #1: 000000005466dace (rcu_read_lock){....}, at: lock_page_memcg+0x0/0x350 mm/memcontrol.c:2909 #2: 000000002b875268 (rcu_callback){....}, at: __rcu_reclaim kernel/rcu/rcu.h:228 [inline] #2: 000000002b875268 (rcu_callback){....}, at: rcu_do_batch kernel/rcu/tree.c:2437 [inline] #2: 000000002b875268 (rcu_callback){....}, at: invoke_rcu_callbacks kernel/rcu/tree.c:2716 [inline] #2: 000000002b875268 (rcu_callback){....}, at: rcu_process_callbacks+0x1103/0x1ac0 kernel/rcu/tree.c:2697 stack backtrace: CPU: 1 PID: 17112 Comm: blkid Not tainted 4.20.0-rc6+ #374 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+0x244/0x39d lib/dump_stack.c:113 print_usage_bug.cold.59+0x320/0x41a kernel/locking/lockdep.c:2472 valid_state kernel/locking/lockdep.c:2485 [inline] mark_lock_irq kernel/locking/lockdep.c:2679 [inline] mark_lock+0x1276/0x1cd0 kernel/locking/lockdep.c:3059 kobject: 'loop0p248' (000000002e550a49): kobject_add_internal: parent: 'loop0', set: 'devices' mark_irqflags kernel/locking/lockdep.c:2937 [inline] __lock_acquire+0x155f/0x4c20 kernel/locking/lockdep.c:3298 kobject: 'loop0p248' (000000002e550a49): kobject_uevent_env kobject: 'loop0p248' (000000002e550a49): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'holders' (0000000063c91a78): kobject_add_internal: parent: 'loop0p248', set: '' lock_acquire+0x1ed/0x520 kernel/locking/lockdep.c:3844 kobject: 'loop0p248' (000000002e550a49): kobject_uevent_env __fs_reclaim_acquire mm/page_alloc.c:3730 [inline] fs_reclaim_acquire.part.97+0x24/0x30 mm/page_alloc.c:3741 fs_reclaim_acquire+0x14/0x20 mm/page_alloc.c:3742 slab_pre_alloc_hook mm/slab.h:418 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc_trace+0x2d/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: 'loop0p248' (000000002e550a49): fill_kobj_path: path = '/devices/virtual/block/loop0/loop0p248' 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+0x100a/0x1ac0 kernel/rcu/tree.c:2697 kobject: 'loop3' (00000000b3898b0e): kobject_uevent_env kobject: 'loop3' (00000000b3898b0e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (000000004f7e1787): kobject_uevent_env kobject: 'loop0' (000000004f7e1787): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (00000000860035e6): kobject_uevent_env kobject: 'loop4' (00000000860035e6): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000007d5f62a0): kobject_uevent_env kobject: 'loop5' (000000007d5f62a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000002cc3a93b): kobject_uevent_env __do_softirq+0x308/0xb7e kernel/softirq.c:292 kobject: 'loop1' (000000002cc3a93b): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000860035e6): kobject_uevent_env kobject: 'loop4' (00000000860035e6): fill_kobj_path: path = '/devices/virtual/block/loop4' 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/0x760 arch/x86/kernel/apic/apic.c:1061 kobject: 'loop0' (000000004f7e1787): kobject_uevent_env kobject: 'loop0' (000000004f7e1787): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (00000000860035e6): kobject_uevent_env apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 RIP: 0010:debug_lockdep_rcu_enabled.part.3+0x26/0x60 kernel/rcu/update.c:249 kobject: 'loop4' (00000000860035e6): fill_kobj_path: path = '/devices/virtual/block/loop4' Code: 0f 1f 40 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 53 65 48 8b 1c 25 40 ee 01 00 48 8d bb 7c 08 00 00 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 10 8b RSP: 0018:ffff888172f1ecc0 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: ffff8881b35266c0 RCX: ffffffff81b8060b RDX: 1ffff110366a4de7 RSI: ffffffff81b8008e RDI: ffff8881b3526f3c RBP: ffff888172f1ecc8 R08: ffff8881b35266c0 R09: fffff94000e22e76 R10: fffff94000e22e76 R11: ffffea00071173b3 R12: 0000000000000000 kobject: 'loop0' (000000004f7e1787): kobject_uevent_env R13: 0000000000000000 R14: ffffea0007117848 R15: ffffea0007117848 kobject: 'loop0' (000000004f7e1787): fill_kobj_path: path = '/devices/virtual/block/loop0' debug_lockdep_rcu_enabled+0x77/0x90 kernel/rcu/update.c:248 rcu_read_unlock include/linux/rcupdate.h:657 [inline] __unlock_page_memcg+0x46/0x100 mm/memcontrol.c:1909 unlock_page_memcg+0x2c/0x40 mm/memcontrol.c:1918 kobject: 'loop0' (000000004f7e1787): kobject_uevent_env page_remove_file_rmap mm/rmap.c:1249 [inline] page_remove_rmap+0x896/0x1a30 mm/rmap.c:1300 kobject: 'loop0' (000000004f7e1787): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (00000000860035e6): kobject_uevent_env kobject: 'loop4' (00000000860035e6): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (000000004f7e1787): kobject_uevent_env kobject: 'loop0' (000000004f7e1787): fill_kobj_path: path = '/devices/virtual/block/loop0' 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+0x11c7/0x2930 mm/memory.c:1264 kobject: 'loop1' (000000002cc3a93b): kobject_uevent_env kobject: 'loop1' (000000002cc3a93b): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000860035e6): kobject_uevent_env kobject: 'loop4' (00000000860035e6): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'holders' (00000000878341af): kobject_cleanup, parent 0000000047c43490 kobject: 'holders' (00000000878341af): auto cleanup kobject_del unmap_single_vma+0x19b/0x310 mm/memory.c:1309 kobject: 'holders' (00000000878341af): calling ktype release unmap_vmas+0x125/0x200 mm/memory.c:1339 exit_mmap+0x2be/0x590 mm/mmap.c:3145 kobject: (00000000878341af): dynamic_kobj_release __mmput kernel/fork.c:1045 [inline] mmput+0x247/0x610 kernel/fork.c:1066 kobject: 'holders': free name kobject: 'loop0p246' (0000000047c43490): kobject_uevent_env FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 exit_mm kernel/exit.c:545 [inline] do_exit+0xe74/0x26d0 kernel/exit.c:854 do_group_exit+0x177/0x440 kernel/exit.c:970 __do_sys_exit_group kernel/exit.c:981 [inline] __se_sys_exit_group kernel/exit.c:979 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:979 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fb7244e51e8 Code: Bad RIP value. RSP: 002b:00007ffdef6798c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb7244e51e8 RDX: 0000000000000002 RSI: 000000000000003c RDI: 0000000000000002 RBP: 00007fb7247ba840 R08: 00000000000000e7 R09: ffffffffffffffa8 R10: 00007fb7247c0740 R11: 0000000000000246 R12: 00007fb7247ba840 R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 CPU: 0 PID: 17175 Comm: syz-executor3 Not tainted 4.20.0-rc6+ #374 BUG: sleeping function called from invalid context at mm/slab.h:421 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+0x244/0x39d lib/dump_stack.c:113 in_atomic(): 1, irqs_disabled(): 0, pid: 17112, name: blkid INFO: lockdep is turned off. fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x17 lib/fault-inject.c:149 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+0xc1b/0x2930 mm/memory.c:1264 __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+0x6b7/0x21b0 block/ioctl.c:577 block_ioctl+0xee/0x130 fs/block_dev.c:1883 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:509 [inline] do_vfs_ioctl+0x1de/0x1790 fs/ioctl.c:696 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:713 __do_sys_ioctl fs/ioctl.c:720 [inline] __se_sys_ioctl fs/ioctl.c:718 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:718 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457659 Code: fd b3 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 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f6ad041cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f6ad041cc90 RCX: 0000000000457659 RDX: 00000000200006c0 RSI: 0000000000001269 RDI: 0000000000000003 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6ad041d6d4 R13: 00000000004beb9d R14: 00000000004cf7f8 R15: 0000000000000004 CPU: 1 PID: 17112 Comm: blkid Not tainted 4.20.0-rc6+ #374 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+0x244/0x39d lib/dump_stack.c:113 kobject: 'loop3' (00000000b3898b0e): kobject_uevent_env ___might_sleep.cold.86+0x221/0x254 kernel/sched/core.c:6148 __might_sleep+0x95/0x190 kernel/sched/core.c:6101 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: 'loop3' (00000000b3898b0e): fill_kobj_path: path = '/devices/virtual/block/loop3' 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+0x100a/0x1ac0 kernel/rcu/tree.c:2697 kobject: 'loop0p251' (00000000e249e92a): kobject_add_internal: parent: 'loop0', set: 'devices' kobject: 'loop0p251' (00000000e249e92a): kobject_uevent_env kobject: 'loop0p251' (00000000e249e92a): kobject_uevent_env: uevent_suppress caused the event to drop! __do_softirq+0x308/0xb7e kernel/softirq.c:292 kobject: 'holders' (000000006f893660): kobject_add_internal: parent: 'loop0p251', set: '' invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:413 kobject: 'loop0p251' (00000000e249e92a): kobject_uevent_env exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061 kobject: 'loop0p251' (00000000e249e92a): fill_kobj_path: path = '/devices/virtual/block/loop0/loop0p251' apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 RIP: 0010:debug_lockdep_rcu_enabled.part.3+0x26/0x60 kernel/rcu/update.c:249 Code: 0f 1f 40 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 53 65 48 8b 1c 25 40 ee 01 00 48 8d bb 7c 08 00 00 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 10 8b RSP: 0018:ffff888172f1ecc0 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: ffff8881b35266c0 RCX: ffffffff81b8060b RDX: 1ffff110366a4de7 RSI: ffffffff81b8008e RDI: ffff8881b3526f3c RBP: ffff888172f1ecc8 R08: ffff8881b35266c0 R09: fffff94000e22e76 R10: fffff94000e22e76 R11: ffffea00071173b3 R12: 0000000000000000 R13: 0000000000000000 R14: ffffea0007117848 R15: ffffea0007117848 debug_lockdep_rcu_enabled+0x77/0x90 kernel/rcu/update.c:248 rcu_read_unlock include/linux/rcupdate.h:657 [inline] __unlock_page_memcg+0x46/0x100 mm/memcontrol.c:1909 unlock_page_memcg+0x2c/0x40 mm/memcontrol.c:1918 page_remove_file_rmap mm/rmap.c:1249 [inline] page_remove_rmap+0x896/0x1a30 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+0x11c7/0x2930 mm/memory.c:1264 kobject: 'loop1' (000000002cc3a93b): kobject_uevent_env kobject: 'loop1' (000000002cc3a93b): fill_kobj_path: path = '/devices/virtual/block/loop1' unmap_single_vma+0x19b/0x310 mm/memory.c:1309 unmap_vmas+0x125/0x200 mm/memory.c:1339 exit_mmap+0x2be/0x590 mm/mmap.c:3145 kobject: 'loop4' (00000000860035e6): kobject_uevent_env __mmput kernel/fork.c:1045 [inline] mmput+0x247/0x610 kernel/fork.c:1066 kobject: 'loop4' (00000000860035e6): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000007d5f62a0): kobject_uevent_env kobject: 'loop5' (000000007d5f62a0): fill_kobj_path: path = '/devices/virtual/block/loop5' exit_mm kernel/exit.c:545 [inline] do_exit+0xe74/0x26d0 kernel/exit.c:854 kobject: 'loop0' (000000004f7e1787): kobject_uevent_env kobject: 'loop0' (000000004f7e1787): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000007d5f62a0): kobject_uevent_env kobject: 'loop5' (000000007d5f62a0): fill_kobj_path: path = '/devices/virtual/block/loop5' do_group_exit+0x177/0x440 kernel/exit.c:970 __do_sys_exit_group kernel/exit.c:981 [inline] __se_sys_exit_group kernel/exit.c:979 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:979 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 kobject: 'loop5' (000000007d5f62a0): kobject_uevent_env kobject: 'loop5' (000000007d5f62a0): fill_kobj_path: path = '/devices/virtual/block/loop5' cgroup: fork rejected by pids controller in /syz5 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fb7244e51e8 Code: Bad RIP value. RSP: 002b:00007ffdef6798c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb7244e51e8 RDX: 0000000000000002 RSI: 000000000000003c RDI: 0000000000000002 RBP: 00007fb7247ba840 R08: 00000000000000e7 R09: ffffffffffffffa8 R10: 00007fb7247c0740 R11: 0000000000000246 R12: 00007fb7247ba840 R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 BUG: sleeping function called from invalid context at mm/slab.c:3066 in_atomic(): 1, irqs_disabled(): 0, pid: 17112, name: blkid 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+0xc1b/0x2930 mm/memory.c:1264 CPU: 1 PID: 17112 Comm: blkid Tainted: G W 4.20.0-rc6+ #374 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+0x244/0x39d lib/dump_stack.c:113 ___might_sleep.cold.86+0x221/0x254 kernel/sched/core.c:6148 __might_sleep+0x95/0x190 kernel/sched/core.c:6101 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 kobject: 'loop3' (00000000b3898b0e): kobject_uevent_env __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+0x100a/0x1ac0 kernel/rcu/tree.c:2697 kobject: 'loop3' (00000000b3898b0e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0p244' (00000000f7903014): kobject_add_internal: parent: 'loop0', set: 'devices' kobject: 'loop0p244' (00000000f7903014): kobject_uevent_env kobject: 'loop0p244' (00000000f7903014): kobject_uevent_env: uevent_suppress caused the event to drop! cgroup: fork rejected by pids controller in /syz2 kobject: 'holders' (000000001aa704ba): kobject_add_internal: parent: 'loop0p244', set: '' __do_softirq+0x308/0xb7e kernel/softirq.c:292 kobject: 'loop0p244' (00000000f7903014): kobject_uevent_env invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:413 kobject: 'loop0p244' (00000000f7903014): fill_kobj_path: path = '/devices/virtual/block/loop0/loop0p244' exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 RIP: 0010:debug_lockdep_rcu_enabled.part.3+0x26/0x60 kernel/rcu/update.c:249 Code: 0f 1f 40 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 53 65 48 8b 1c 25 40 ee 01 00 48 8d bb 7c 08 00 00 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 10 8b RSP: 0018:ffff888172f1ecc0 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: ffff8881b35266c0 RCX: ffffffff81b8060b RDX: 1ffff110366a4de7 RSI: ffffffff81b8008e RDI: ffff8881b3526f3c RBP: ffff888172f1ecc8 R08: ffff8881b35266c0 R09: fffff94000e22e76 R10: fffff94000e22e76 R11: ffffea00071173b3 R12: 0000000000000000 R13: 0000000000000000 R14: ffffea0007117848 R15: ffffea0007117848 debug_lockdep_rcu_enabled+0x77/0x90 kernel/rcu/update.c:248 rcu_read_unlock include/linux/rcupdate.h:657 [inline] __unlock_page_memcg+0x46/0x100 mm/memcontrol.c:1909 unlock_page_memcg+0x2c/0x40 mm/memcontrol.c:1918 page_remove_file_rmap mm/rmap.c:1249 [inline] page_remove_rmap+0x896/0x1a30 mm/rmap.c:1300 kobject: 'loop4' (00000000860035e6): kobject_uevent_env kobject: 'loop4' (00000000860035e6): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (000000004f7e1787): kobject_uevent_env kobject: 'loop0' (000000004f7e1787): fill_kobj_path: path = '/devices/virtual/block/loop0' 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+0x11c7/0x2930 mm/memory.c:1264 cgroup: fork rejected by pids controller in /syz4 kobject: 'loop1' (000000002cc3a93b): kobject_uevent_env unmap_single_vma+0x19b/0x310 mm/memory.c:1309 kobject: 'loop1' (000000002cc3a93b): fill_kobj_path: path = '/devices/virtual/block/loop1' unmap_vmas+0x125/0x200 mm/memory.c:1339 exit_mmap+0x2be/0x590 mm/mmap.c:3145 __mmput kernel/fork.c:1045 [inline] mmput+0x247/0x610 kernel/fork.c:1066 exit_mm kernel/exit.c:545 [inline] do_exit+0xe74/0x26d0 kernel/exit.c:854 kobject: 'loop3' (00000000b3898b0e): kobject_uevent_env kobject: 'loop3' (00000000b3898b0e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (000000004f7e1787): kobject_uevent_env do_group_exit+0x177/0x440 kernel/exit.c:970 kobject: 'loop0' (000000004f7e1787): fill_kobj_path: path = '/devices/virtual/block/loop0' __do_sys_exit_group kernel/exit.c:981 [inline] __se_sys_exit_group kernel/exit.c:979 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:979 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 kobject: 'loop1' (000000002cc3a93b): kobject_uevent_env kobject: 'loop1' (000000002cc3a93b): fill_kobj_path: path = '/devices/virtual/block/loop1' entry_SYSCALL_64_after_hwframe+0x49/0xbe kobject: 'loop3' (00000000b3898b0e): kobject_uevent_env RIP: 0033:0x7fb7244e51e8 Code: Bad RIP value. RSP: 002b:00007ffdef6798c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 kobject: 'loop3' (00000000b3898b0e): fill_kobj_path: path = '/devices/virtual/block/loop3' RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb7244e51e8 RDX: 0000000000000002 RSI: 000000000000003c RDI: 0000000000000002 RBP: 00007fb7247ba840 R08: 00000000000000e7 R09: ffffffffffffffa8 R10: 00007fb7247c0740 R11: 0000000000000246 R12: 00007fb7247ba840 R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 BUG: sleeping function called from invalid context at mm/slab.h:421 cgroup: fork rejected by pids controller in /syz3 in_atomic(): 1, irqs_disabled(): 0, pid: 17112, name: blkid 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+0xc1b/0x2930 mm/memory.c:1264 CPU: 1 PID: 17112 Comm: blkid Tainted: G W 4.20.0-rc6+ #374 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+0x244/0x39d lib/dump_stack.c:113 ___might_sleep.cold.86+0x221/0x254 kernel/sched/core.c:6148 __might_sleep+0x95/0x190 kernel/sched/core.c:6101 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3378 [inline] __do_kmalloc mm/slab.c:3720 [inline] __kmalloc+0x2d6/0x760 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 kobject: 'loop0' (000000004f7e1787): kobject_uevent_env 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 kobject: 'loop0' (000000004f7e1787): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (000000002cc3a93b): kobject_uevent_env __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+0x100a/0x1ac0 kernel/rcu/tree.c:2697 kobject: 'loop1' (000000002cc3a93b): fill_kobj_path: path = '/devices/virtual/block/loop1' __do_softirq+0x308/0xb7e 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/0x760 arch/x86/kernel/apic/apic.c:1061 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 RIP: 0010:debug_lockdep_rcu_enabled.part.3+0x26/0x60 kernel/rcu/update.c:249 Code: 0f 1f 40 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 53 65 48 8b 1c 25 40 ee 01 00 48 8d bb 7c 08 00 00 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 10 8b RSP: 0018:ffff888172f1ecc0 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: ffff8881b35266c0 RCX: ffffffff81b8060b RDX: 1ffff110366a4de7 RSI: ffffffff81b8008e RDI: ffff8881b3526f3c RBP: ffff888172f1ecc8 R08: ffff8881b35266c0 R09: fffff94000e22e76 R10: fffff94000e22e76 R11: ffffea00071173b3 R12: 0000000000000000 R13: 0000000000000000 R14: ffffea0007117848 R15: ffffea0007117848 debug_lockdep_rcu_enabled+0x77/0x90 kernel/rcu/update.c:248 rcu_read_unlock include/linux/rcupdate.h:657 [inline] __unlock_page_memcg+0x46/0x100 mm/memcontrol.c:1909 unlock_page_memcg+0x2c/0x40 mm/memcontrol.c:1918 page_remove_file_rmap mm/rmap.c:1249 [inline] page_remove_rmap+0x896/0x1a30 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+0x11c7/0x2930 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:3145 __mmput kernel/fork.c:1045 [inline] mmput+0x247/0x610 kernel/fork.c:1066 exit_mm kernel/exit.c:545 [inline] do_exit+0xe74/0x26d0 kernel/exit.c:854 do_group_exit+0x177/0x440 kernel/exit.c:970 __do_sys_exit_group kernel/exit.c:981 [inline] __se_sys_exit_group kernel/exit.c:979 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:979 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fb7244e51e8 Code: Bad RIP value. RSP: 002b:00007ffdef6798c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb7244e51e8 RDX: 0000000000000002 RSI: 000000000000003c RDI: 0000000000000002 RBP: 00007fb7247ba840 R08: 00000000000000e7 R09: ffffffffffffffa8 R10: 00007fb7247c0740 R11: 0000000000000246 R12: 00007fb7247ba840 R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 BUG: sleeping function called from invalid context at mm/slab.c:3066 in_atomic(): 1, irqs_disabled(): 0, pid: 17112, name: blkid 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+0xc1b/0x2930 mm/memory.c:1264 CPU: 1 PID: 17112 Comm: blkid Tainted: G W 4.20.0-rc6+ #374 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+0x244/0x39d lib/dump_stack.c:113 ___might_sleep.cold.86+0x221/0x254 kernel/sched/core.c:6148 __might_sleep+0x95/0x190 kernel/sched/core.c:6101 cache_alloc_debugcheck_before mm/slab.c:3066 [inline] slab_alloc mm/slab.c:3382 [inline] __do_kmalloc mm/slab.c:3720 [inline] __kmalloc+0x310/0x760 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 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+0x100a/0x1ac0 kernel/rcu/tree.c:2697 __do_softirq+0x308/0xb7e 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/0x760 arch/x86/kernel/apic/apic.c:1061 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 RIP: 0010:debug_lockdep_rcu_enabled.part.3+0x26/0x60 kernel/rcu/update.c:249 Code: 0f 1f 40 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 53 65 48 8b 1c 25 40 ee 01 00 48 8d bb 7c 08 00 00 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 10 8b RSP: 0018:ffff888172f1ecc0 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: ffff8881b35266c0 RCX: ffffffff81b8060b RDX: 1ffff110366a4de7 RSI: ffffffff81b8008e RDI: ffff8881b3526f3c RBP: ffff888172f1ecc8 R08: ffff8881b35266c0 R09: fffff94000e22e76 R10: fffff94000e22e76 R11: ffffea00071173b3 R12: 0000000000000000 R13: 0000000000000000 R14: ffffea0007117848 R15: ffffea0007117848 debug_lockdep_rcu_enabled+0x77/0x90 kernel/rcu/update.c:248 rcu_read_unlock include/linux/rcupdate.h:657 [inline] __unlock_page_memcg+0x46/0x100 mm/memcontrol.c:1909 unlock_page_memcg+0x2c/0x40 mm/memcontrol.c:1918 page_remove_file_rmap mm/rmap.c:1249 [inline] page_remove_rmap+0x896/0x1a30 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+0x11c7/0x2930 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:3145 __mmput kernel/fork.c:1045 [inline] mmput+0x247/0x610 kernel/fork.c:1066 exit_mm kernel/exit.c:545 [inline] do_exit+0xe74/0x26d0 kernel/exit.c:854 do_group_exit+0x177/0x440 kernel/exit.c:970 __do_sys_exit_group kernel/exit.c:981 [inline] __se_sys_exit_group kernel/exit.c:979 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:979 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fb7244e51e8 Code: Bad RIP value. RSP: 002b:00007ffdef6798c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb7244e51e8 RDX: 0000000000000002 RSI: 000000000000003c RDI: 0000000000000002 RBP: 00007fb7247ba840 R08: 00000000000000e7 R09: ffffffffffffffa8 R10: 00007fb7247c0740 R11: 0000000000000246 R12: 00007fb7247ba840 R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 kobject: 'loop0p251' (0000000046bddd90): fill_kobj_path: path = '/loop0p251' BUG: sleeping function called from invalid context at kernel/locking/mutex.c:908 in_atomic(): 1, irqs_disabled(): 0, pid: 17112, name: blkid 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+0xc1b/0x2930 mm/memory.c:1264 CPU: 1 PID: 17112 Comm: blkid Tainted: G W 4.20.0-rc6+ #374 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+0x244/0x39d lib/dump_stack.c:113 ___might_sleep.cold.86+0x221/0x254 kernel/sched/core.c:6148 __might_sleep+0x95/0x190 kernel/sched/core.c:6101 __mutex_lock_common kernel/locking/mutex.c:908 [inline] __mutex_lock+0x138/0x16f0 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 kobject_uevent_env+0x7d7/0x101e lib/kobject_uevent.c:580 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+0x100a/0x1ac0 kernel/rcu/tree.c:2697 __do_softirq+0x308/0xb7e 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/0x760 arch/x86/kernel/apic/apic.c:1061 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 RIP: 0010:debug_lockdep_rcu_enabled.part.3+0x26/0x60 kernel/rcu/update.c:249 Code: 0f 1f 40 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 53 65 48 8b 1c 25 40 ee 01 00 48 8d bb 7c 08 00 00 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 10 8b RSP: 0018:ffff888172f1ecc0 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: ffff8881b35266c0 RCX: ffffffff81b8060b RDX: 1ffff110366a4de7 RSI: ffffffff81b8008e RDI: ffff8881b3526f3c RBP: ffff888172f1ecc8 R08: ffff8881b35266c0 R09: fffff94000e22e76 R10: fffff94000e22e76 R11: ffffea00071173b3 R12: 0000000000000000 R13: 0000000000000000 R14: ffffea0007117848 R15: ffffea0007117848 debug_lockdep_rcu_enabled+0x77/0x90 kernel/rcu/update.c:248 rcu_read_unlock include/linux/rcupdate.h:657 [inline] __unlock_page_memcg+0x46/0x100 mm/memcontrol.c:1909 unlock_page_memcg+0x2c/0x40 mm/memcontrol.c:1918 page_remove_file_rmap mm/rmap.c:1249 [inline] page_remove_rmap+0x896/0x1a30 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+0x11c7/0x2930 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:3145 __mmput kernel/fork.c:1045 [inline] mmput+0x247/0x610 kernel/fork.c:1066 exit_mm kernel/exit.c:545 [inline] do_exit+0xe74/0x26d0 kernel/exit.c:854 do_group_exit+0x177/0x440 kernel/exit.c:970 __do_sys_exit_group kernel/exit.c:981 [inline] __se_sys_exit_group kernel/exit.c:979 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:979 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fb7244e51e8 Code: Bad RIP value. RSP: 002b:00007ffdef6798c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb7244e51e8 RDX: 0000000000000002 RSI: 000000000000003c RDI: 0000000000000002 RBP: 00007fb7247ba840 R08: 00000000000000e7 R09: ffffffffffffffa8 R10: 00007fb7247c0740 R11: 0000000000000246 R12: 00007fb7247ba840 R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 BUG: sleeping function called from invalid context at mm/slab.h:421 in_atomic(): 1, irqs_disabled(): 0, pid: 17112, name: blkid 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+0xc1b/0x2930 mm/memory.c:1264 CPU: 1 PID: 17112 Comm: blkid Tainted: G W 4.20.0-rc6+ #374 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+0x244/0x39d lib/dump_stack.c:113 ___might_sleep.cold.86+0x221/0x254 kernel/sched/core.c:6148 __might_sleep+0x95/0x190 kernel/sched/core.c:6101 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc_node mm/slab.c:3299 [inline] kmem_cache_alloc_node+0x264/0x730 mm/slab.c:3642 __alloc_skb+0x119/0x770 net/core/skbuff.c:193 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 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+0x100a/0x1ac0 kernel/rcu/tree.c:2697 __do_softirq+0x308/0xb7e 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/0x760 arch/x86/kernel/apic/apic.c:1061 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 RIP: 0010:debug_lockdep_rcu_enabled.part.3+0x26/0x60 kernel/rcu/update.c:249 Code: 0f 1f 40 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 53 65 48 8b 1c 25 40 ee 01 00 48 8d bb 7c 08 00 00 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 10 8b RSP: 0018:ffff888172f1ecc0 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: ffff8881b35266c0 RCX: ffffffff81b8060b RDX: 1ffff110366a4de7 RSI: ffffffff81b8008e RDI: ffff8881b3526f3c RBP: ffff888172f1ecc8 R08: ffff8881b35266c0 R09: fffff94000e22e76 R10: fffff94000e22e76 R11: ffffea00071173b3 R12: 0000000000000000 R13: 0000000000000000 R14: ffffea0007117848 R15: ffffea0007117848 debug_lockdep_rcu_enabled+0x77/0x90 kernel/rcu/update.c:248 rcu_read_unlock include/linux/rcupdate.h:657 [inline] __unlock_page_memcg+0x46/0x100 mm/memcontrol.c:1909 unlock_page_memcg+0x2c/0x40 mm/memcontrol.c:1918 page_remove_file_rmap mm/rmap.c:1249 [inline] page_remove_rmap+0x896/0x1a30 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+0x11c7/0x2930 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:3145 __mmput kernel/fork.c:1045 [inline] mmput+0x247/0x610 kernel/fork.c:1066 exit_mm kernel/exit.c:545 [inline] do_exit+0xe74/0x26d0 kernel/exit.c:854 do_group_exit+0x177/0x440 kernel/exit.c:970 __do_sys_exit_group kernel/exit.c:981 [inline] __se_sys_exit_group kernel/exit.c:979 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:979 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fb7244e51e8 Code: Bad RIP value. RSP: 002b:00007ffdef6798c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb7244e51e8 RDX: 0000000000000002 RSI: 000000000000003c RDI: 0000000000000002 RBP: 00007fb7247ba840 R08: 00000000000000e7 R09: ffffffffffffffa8 R10: 00007fb7247c0740 R11: 0000000000000246 R12: 00007fb7247ba840 R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 BUG: sleeping function called from invalid context at mm/slab.c:3066 in_atomic(): 1, irqs_disabled(): 0, pid: 17112, name: blkid 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+0xc1b/0x2930 mm/memory.c:1264 CPU: 1 PID: 17112 Comm: blkid Tainted: G W 4.20.0-rc6+ #374 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+0x244/0x39d lib/dump_stack.c:113 ___might_sleep.cold.86+0x221/0x254 kernel/sched/core.c:6148 __might_sleep+0x95/0x190 kernel/sched/core.c:6101 cache_alloc_debugcheck_before mm/slab.c:3066 [inline] slab_alloc_node mm/slab.c:3303 [inline] kmem_cache_alloc_node+0x29e/0x730 mm/slab.c:3642 __alloc_skb+0x119/0x770 net/core/skbuff.c:193 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 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+0x100a/0x1ac0 kernel/rcu/tree.c:2697 __do_softirq+0x308/0xb7e 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/0x760 arch/x86/kernel/apic/apic.c:1061 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 RIP: 0010:debug_lockdep_rcu_enabled.part.3+0x26/0x60 kernel/rcu/update.c:249 Code: 0f 1f 40 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 53 65 48 8b 1c 25 40 ee 01 00 48 8d bb 7c 08 00 00 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 10 8b RSP: 0018:ffff888172f1ecc0 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: ffff8881b35266c0 RCX: ffffffff81b8060b RDX: 1ffff110366a4de7 RSI: ffffffff81b8008e RDI: ffff8881b3526f3c RBP: ffff888172f1ecc8 R08: ffff8881b35266c0 R09: fffff94000e22e76 R10: fffff94000e22e76 R11: ffffea00071173b3 R12: 0000000000000000 R13: 0000000000000000 R14: ffffea0007117848 R15: ffffea0007117848 debug_lockdep_rcu_enabled+0x77/0x90 kernel/rcu/update.c:248 rcu_read_unlock include/linux/rcupdate.h:657 [inline] __unlock_page_memcg+0x46/0x100 mm/memcontrol.c:1909 unlock_page_memcg+0x2c/0x40 mm/memcontrol.c:1918 page_remove_file_rmap mm/rmap.c:1249 [inline] page_remove_rmap+0x896/0x1a30 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+0x11c7/0x2930 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:3145 __mmput kernel/fork.c:1045 [inline] mmput+0x247/0x610 kernel/fork.c:1066 exit_mm kernel/exit.c:545 [inline] do_exit+0xe74/0x26d0 kernel/exit.c:854 do_group_exit+0x177/0x440 kernel/exit.c:970 __do_sys_exit_group kernel/exit.c:981 [inline] __se_sys_exit_group kernel/exit.c:979 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:979 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fb7244e51e8 Code: Bad RIP value. RSP: 002b:00007ffdef6798c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb7244e51e8 RDX: 0000000000000002 RSI: 000000000000003c RDI: 0000000000000002 RBP: 00007fb7247ba840 R08: 00000000000000e7 R09: ffffffffffffffa8 R10: 00007fb7247c0740 R11: 0000000000000246 R12: 00007fb7247ba840 R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 BUG: sleeping function called from invalid context at mm/slab.h:421 in_atomic(): 1, irqs_disabled(): 0, pid: 17112, name: blkid 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+0xc1b/0x2930 mm/memory.c:1264 CPU: 1 PID: 17112 Comm: blkid Tainted: G W 4.20.0-rc6+ #374 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+0x244/0x39d lib/dump_stack.c:113 ___might_sleep.cold.86+0x221/0x254 kernel/sched/core.c:6148 __might_sleep+0x95/0x190 kernel/sched/core.c:6101 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc_node mm/slab.c:3299 [inline] kmem_cache_alloc_node_trace+0x266/0x740 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+0x155/0x770 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 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+0x100a/0x1ac0 kernel/rcu/tree.c:2697 __do_softirq+0x308/0xb7e 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/0x760 arch/x86/kernel/apic/apic.c:1061 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 RIP: 0010:debug_lockdep_rcu_enabled.part.3+0x26/0x60 kernel/rcu/update.c:249 Code: 0f 1f 40 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 53 65 48 8b 1c 25 40 ee 01 00 48 8d bb 7c 08 00 00 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 10 8b RSP: 0018:ffff888172f1ecc0 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: ffff8881b35266c0 RCX: ffffffff81b8060b RDX: 1ffff110366a4de7 RSI: ffffffff81b8008e RDI: ffff8881b3526f3c RBP: ffff888172f1ecc8 R08: ffff8881b35266c0 R09: fffff94000e22e76 R10: fffff94000e22e76 R11: ffffea00071173b3 R12: 0000000000000000 R13: 0000000000000000 R14: ffffea0007117848 R15: ffffea0007117848 debug_lockdep_rcu_enabled+0x77/0x90 kernel/rcu/update.c:248 rcu_read_unlock include/linux/rcupdate.h:657 [inline] __unlock_page_memcg+0x46/0x100 mm/memcontrol.c:1909 unlock_page_memcg+0x2c/0x40 mm/memcontrol.c:1918