00000000d91b9943: 98 4f 0b 50 42 b6 4b 06 bc 86 cb a3 e6 cc 3f 80 .O.PB.K.......?. BUG: sleeping function called from invalid context at mm/slab.h:421 in_atomic(): 1, irqs_disabled(): 0, pid: 16502, name: syz-executor5 INFO: lockdep is turned off. Preemption disabled at: [] vprintk_emit+0x31d/0x930 kernel/printk/printk.c:1915 CPU: 1 PID: 16502 Comm: syz-executor5 Not tainted 4.19.0-rc6+ #45 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:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:console_unlock+0xd1b/0x1160 kernel/printk/printk.c:2413 Code: c1 e8 03 42 80 3c 30 00 0f 85 56 03 00 00 48 83 3d 21 77 cd 07 00 0f 84 63 02 00 00 e8 8e 3a 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 19 f5 ff ff e8 76 3a 1a 00 48 8b 7d 08 c7 05 48 RSP: 0018:ffff880187d8eb48 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000040000 RBX: 0000000000000200 RCX: ffffc9000bf4e000 RDX: 0000000000040000 RSI: ffffffff81647af2 RDI: 0000000000000246 RBP: ffff880187d8ecb0 R08: ffff8801d25345c0 R09: fffffbfff12720b0 R10: fffffbfff12720b0 R11: ffffffff89390583 R12: 0000000000000000 R13: ffffffff8487f5c0 R14: dffffc0000000000 R15: ffffffff899424f0 vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1922 vprintk_default+0x28/0x30 kernel/printk/printk.c:1963 vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398 printk+0xa7/0xcf kernel/printk/printk.c:1996 print_hex_dump.cold.1+0x29/0x87 lib/hexdump.c:263 xfs_hex_dump+0x3b/0x46 fs/xfs/xfs_message.c:110 xfs_buf_verifier_error+0x233/0x310 fs/xfs/xfs_error.c:370 xfs_verifier_error+0x3f/0x50 fs/xfs/xfs_error.c:387 xfs_sb_read_verify+0x4d6/0x600 fs/xfs/libxfs/xfs_sb.c:722 xfs_buf_ioend+0x298/0x1080 fs/xfs/xfs_buf.c:1166 __xfs_buf_submit+0x3dc/0xdf0 fs/xfs/xfs_buf.c:1508 xfs_buf_submit fs/xfs/xfs_buf.h:301 [inline] xfs_buf_read_uncached+0x1ce/0x6a0 fs/xfs/xfs_buf.c:834 xfs_readsb+0x307/0x5f0 fs/xfs/xfs_mount.c:295 xfs_fs_fill_super+0x9ba/0x16f0 fs/xfs/xfs_super.c:1633 mount_bdev+0x30c/0x3e0 fs/super.c:1158 xfs_fs_mount+0x34/0x40 fs/xfs/xfs_super.c:1787 mount_fs+0xae/0x31d fs/super.c:1261 vfs_kern_mount.part.35+0xdc/0x4f0 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2457 [inline] do_mount+0x581/0x31f0 fs/namespace.c:2787 ksys_mount+0x12d/0x140 fs/namespace.c:3003 __do_sys_mount fs/namespace.c:3017 [inline] __se_sys_mount fs/namespace.c:3014 [inline] __x64_sys_mount+0xbe/0x150 fs/namespace.c:3014 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459fea Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 9d 89 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 7a 89 fb ff c3 66 0f 1f 84 00 00 00 00 00 RSP: 002b:00007fa3f9696a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fa3f9696b30 RCX: 0000000000459fea RDX: 00007fa3f9696ad0 RSI: 0000000020000100 RDI: 00007fa3f9696af0 RBP: 0000000020000100 R08: 00007fa3f9696b30 R09: 00007fa3f9696ad0 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 R13: 0000000000000000 R14: 00000000004d7ef0 R15: 00000000ffffffff 00000000aa993f73: 00 00 00 3b 48 00 00 40 00 00 00 00 00 00 00 80 ...;H..@........ 00000000b1a0a7f9: 00 00 00 00 00 00 00 81 00 00 00 00 00 00 00 82 ................ 000000007c444c97: 00 00 00 07 00 00 10 00 00 00 00 01 00 00 00 00 ................ 000000007b345c61: 00 00 06 c0 34 a4 02 00 01 00 00 10 00 00 00 00 ....4........... 00000000b1532b56: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ XFS (loop5): SB validate failed with error -117. FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 16561 Comm: syz-executor4 Tainted: G W 4.19.0-rc6+ #45 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 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:1557 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc mm/slab.c:3378 [inline] __do_kmalloc mm/slab.c:3716 [inline] __kmalloc+0x2d4/0x760 mm/slab.c:3727 kmalloc include/linux/slab.h:518 [inline] kzalloc include/linux/slab.h:707 [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:00007f77b8522c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f77b8522c90 RCX: 0000000000457579 RDX: 00000000200006c0 RSI: 0000000000001269 RDI: 0000000000000003 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f77b85236d4 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: 16561, name: syz-executor4 INFO: lockdep is turned off. Preemption disabled at: [] __debug_check_no_obj_freed lib/debugobjects.c:777 [inline] [] debug_check_no_obj_freed+0x17a/0x58d lib/debugobjects.c:818 CPU: 1 PID: 16561 Comm: syz-executor4 Tainted: G W 4.19.0-rc6+ #45 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:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xaf/0xd0 kernel/locking/spinlock.c:184 Code: 08 f2 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 28 48 83 3d 60 c4 81 01 00 74 15 48 89 df 57 9d <0f> 1f 44 00 00 eb ad e8 ec 4f 50 f9 eb bb 0f 0b 0f 0b e8 5a e8 11 RSP: 0018:ffff880181ff5bf0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: 0000000000000286 RCX: ffffffff8184c1ba RDX: 1ffffffff1263e41 RSI: ffffffff8184c1d4 RDI: 0000000000000286 RBP: ffff880181ff5c00 R08: ffff8801d2ed0080 R09: fffffbfff160f1e5 R10: fffffbfff160f1e5 R11: ffffffff8b078f2b R12: ffffffff8b078f28 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8b078f28 __debug_check_no_obj_freed lib/debugobjects.c:799 [inline] debug_check_no_obj_freed+0x305/0x58d lib/debugobjects.c:818 free_pages_prepare mm/page_alloc.c:1027 [inline] __free_pages_ok+0x44b/0x1660 mm/page_alloc.c:1245 free_compound_page+0x62/0x90 mm/page_alloc.c:566 free_transhuge_page+0x30a/0x490 mm/huge_memory.c:2733 __put_compound_page+0x96/0xe0 mm/swap.c:96 release_pages+0xa68/0x26a0 mm/swap.c:760 free_pages_and_swap_cache+0x475/0x6f0 mm/swap_state.c:319 tlb_flush_mmu_free+0xff/0x1b0 mm/memory.c:249 zap_pte_range mm/memory.c:1405 [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+0x1873/0x2030 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: Bad RIP value. RSP: 002b:00007f77b8522c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: 0000000000000000 RBX: 00007f77b8522c90 RCX: 0000000000457579 RDX: 00000000200006c0 RSI: 0000000000001269 RDI: 0000000000000003 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f77b85236d4 R13: 00000000004be93a R14: 00000000004ce5f0 R15: 0000000000000004 BUG: sleeping function called from invalid context at mm/slab.c:3066 in_atomic(): 1, irqs_disabled(): 0, pid: 16561, name: syz-executor4 INFO: lockdep is turned off. Preemption disabled at: [] __debug_check_no_obj_freed lib/debugobjects.c:777 [inline] [] debug_check_no_obj_freed+0x17a/0x58d lib/debugobjects.c:818 CPU: 1 PID: 16561 Comm: syz-executor4 Tainted: G W 4.19.0-rc6+ #45 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 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: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:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xaf/0xd0 kernel/locking/spinlock.c:184 Code: 08 f2 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 28 48 83 3d 60 c4 81 01 00 74 15 48 89 df 57 9d <0f> 1f 44 00 00 eb ad e8 ec 4f 50 f9 eb bb 0f 0b 0f 0b e8 5a e8 11 RSP: 0018:ffff880181ff5bf0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: 0000000000000286 RCX: ffffffff8184c1ba RDX: 1ffffffff1263e41 RSI: ffffffff8184c1d4 RDI: 0000000000000286 RBP: ffff880181ff5c00 R08: ffff8801d2ed0080 R09: fffffbfff160f1e5 R10: fffffbfff160f1e5 R11: ffffffff8b078f2b R12: ffffffff8b078f28 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8b078f28 __debug_check_no_obj_freed lib/debugobjects.c:799 [inline] debug_check_no_obj_freed+0x305/0x58d lib/debugobjects.c:818 free_pages_prepare mm/page_alloc.c:1027 [inline] __free_pages_ok+0x44b/0x1660 mm/page_alloc.c:1245 free_compound_page+0x62/0x90 mm/page_alloc.c:566 free_transhuge_page+0x30a/0x490 mm/huge_memory.c:2733 __put_compound_page+0x96/0xe0 mm/swap.c:96 release_pages+0xa68/0x26a0 mm/swap.c:760 free_pages_and_swap_cache+0x475/0x6f0 mm/swap_state.c:319 tlb_flush_mmu_free+0xff/0x1b0 mm/memory.c:249 zap_pte_range mm/memory.c:1405 [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+0x1873/0x2030 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: Bad RIP value. RSP: 002b:00007f77b8522c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: 0000000000000000 RBX: 00007f77b8522c90 RCX: 0000000000457579 RDX: 00000000200006c0 RSI: 0000000000001269 RDI: 0000000000000003 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f77b85236d4 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: 16561, name: syz-executor4 INFO: lockdep is turned off. Preemption disabled at: [] __debug_check_no_obj_freed lib/debugobjects.c:777 [inline] [] debug_check_no_obj_freed+0x17a/0x58d lib/debugobjects.c:818 CPU: 1 PID: 16561 Comm: syz-executor4 Tainted: G W 4.19.0-rc6+ #45 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] __do_kmalloc mm/slab.c:3716 [inline] __kmalloc+0x2ca/0x760 mm/slab.c:3727 kmalloc include/linux/slab.h:518 [inline] kzalloc include/linux/slab.h:707 [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: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:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xaf/0xd0 kernel/locking/spinlock.c:184 Code: 08 f2 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 28 48 83 3d 60 c4 81 01 00 74 15 48 89 df 57 9d <0f> 1f 44 00 00 eb ad e8 ec 4f 50 f9 eb bb 0f 0b 0f 0b e8 5a e8 11 RSP: 0018:ffff880181ff5bf0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: 0000000000000286 RCX: ffffffff8184c1ba RDX: 1ffffffff1263e41 RSI: ffffffff8184c1d4 RDI: 0000000000000286 RBP: ffff880181ff5c00 R08: ffff8801d2ed0080 R09: fffffbfff160f1e5 R10: fffffbfff160f1e5 R11: ffffffff8b078f2b R12: ffffffff8b078f28 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8b078f28 __debug_check_no_obj_freed lib/debugobjects.c:799 [inline] debug_check_no_obj_freed+0x305/0x58d lib/debugobjects.c:818 free_pages_prepare mm/page_alloc.c:1027 [inline] __free_pages_ok+0x44b/0x1660 mm/page_alloc.c:1245 free_compound_page+0x62/0x90 mm/page_alloc.c:566 free_transhuge_page+0x30a/0x490 mm/huge_memory.c:2733 __put_compound_page+0x96/0xe0 mm/swap.c:96 release_pages+0xa68/0x26a0 mm/swap.c:760 free_pages_and_swap_cache+0x475/0x6f0 mm/swap_state.c:319 tlb_flush_mmu_free+0xff/0x1b0 mm/memory.c:249 zap_pte_range mm/memory.c:1405 [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+0x1873/0x2030 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: Bad RIP value. RSP: 002b:00007f77b8522c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: 0000000000000000 RBX: 00007f77b8522c90 RCX: 0000000000457579 RDX: 00000000200006c0 RSI: 0000000000001269 RDI: 0000000000000003 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f77b85236d4 R13: 00000000004be93a R14: 00000000004ce5f0 R15: 0000000000000004 BUG: sleeping function called from invalid context at mm/slab.c:3066 in_atomic(): 1, irqs_disabled(): 0, pid: 16561, name: syz-executor4 INFO: lockdep is turned off. Preemption disabled at: [] __debug_check_no_obj_freed lib/debugobjects.c:777 [inline] [] debug_check_no_obj_freed+0x17a/0x58d lib/debugobjects.c:818 CPU: 1 PID: 16561 Comm: syz-executor4 Tainted: G W 4.19.0-rc6+ #45 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 cache_alloc_debugcheck_before mm/slab.c:3066 [inline] slab_alloc mm/slab.c:3382 [inline] __do_kmalloc mm/slab.c:3716 [inline] __kmalloc+0x304/0x760 mm/slab.c:3727 kmalloc include/linux/slab.h:518 [inline] kzalloc include/linux/slab.h:707 [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: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:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xaf/0xd0 kernel/locking/spinlock.c:184 Code: 08 f2 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 28 48 83 3d 60 c4 81 01 00 74 15 48 89 df 57 9d <0f> 1f 44 00 00 eb ad e8 ec 4f 50 f9 eb bb 0f 0b 0f 0b e8 5a e8 11 RSP: 0018:ffff880181ff5bf0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: 0000000000000286 RCX: ffffffff8184c1ba RDX: 1ffffffff1263e41 RSI: ffffffff8184c1d4 RDI: 0000000000000286 RBP: ffff880181ff5c00 R08: ffff8801d2ed0080 R09: fffffbfff160f1e5 R10: fffffbfff160f1e5 R11: ffffffff8b078f2b R12: ffffffff8b078f28 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8b078f28 __debug_check_no_obj_freed lib/debugobjects.c:799 [inline] debug_check_no_obj_freed+0x305/0x58d lib/debugobjects.c:818 free_pages_prepare mm/page_alloc.c:1027 [inline] __free_pages_ok+0x44b/0x1660 mm/page_alloc.c:1245 free_compound_page+0x62/0x90 mm/page_alloc.c:566 free_transhuge_page+0x30a/0x490 mm/huge_memory.c:2733 __put_compound_page+0x96/0xe0 mm/swap.c:96 release_pages+0xa68/0x26a0 mm/swap.c:760 free_pages_and_swap_cache+0x475/0x6f0 mm/swap_state.c:319 tlb_flush_mmu_free+0xff/0x1b0 mm/memory.c:249 zap_pte_range mm/memory.c:1405 [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+0x1873/0x2030 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: Bad RIP value. RSP: 002b:00007f77b8522c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: 0000000000000000 RBX: 00007f77b8522c90 RCX: 0000000000457579 RDX: 00000000200006c0 RSI: 0000000000001269 RDI: 0000000000000003 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f77b85236d4 R13: 00000000004be93a R14: 00000000004ce5f0 R15: 0000000000000004 BUG: sleeping function called from invalid context at kernel/locking/mutex.c:908 in_atomic(): 1, irqs_disabled(): 0, pid: 16561, name: syz-executor4 INFO: lockdep is turned off. Preemption disabled at: [] __debug_check_no_obj_freed lib/debugobjects.c:777 [inline] [] debug_check_no_obj_freed+0x17a/0x58d lib/debugobjects.c:818 CPU: 1 PID: 16561 Comm: syz-executor4 Tainted: G W 4.19.0-rc6+ #45 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 __mutex_lock_common kernel/locking/mutex.c:908 [inline] __mutex_lock+0x138/0x1700 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: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:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xaf/0xd0 kernel/locking/spinlock.c:184 Code: 08 f2 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 28 48 83 3d 60 c4 81 01 00 74 15 48 89 df 57 9d <0f> 1f 44 00 00 eb ad e8 ec 4f 50 f9 eb bb 0f 0b 0f 0b e8 5a e8 11 RSP: 0018:ffff880181ff5bf0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: 0000000000000286 RCX: ffffffff8184c1ba RDX: 1ffffffff1263e41 RSI: ffffffff8184c1d4 RDI: 0000000000000286 RBP: ffff880181ff5c00 R08: ffff8801d2ed0080 R09: fffffbfff160f1e5 R10: fffffbfff160f1e5 R11: ffffffff8b078f2b R12: ffffffff8b078f28 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8b078f28 __debug_check_no_obj_freed lib/debugobjects.c:799 [inline] debug_check_no_obj_freed+0x305/0x58d lib/debugobjects.c:818 free_pages_prepare mm/page_alloc.c:1027 [inline] __free_pages_ok+0x44b/0x1660 mm/page_alloc.c:1245 free_compound_page+0x62/0x90 mm/page_alloc.c:566 free_transhuge_page+0x30a/0x490 mm/huge_memory.c:2733 __put_compound_page+0x96/0xe0 mm/swap.c:96 release_pages+0xa68/0x26a0 mm/swap.c:760 free_pages_and_swap_cache+0x475/0x6f0 mm/swap_state.c:319 tlb_flush_mmu_free+0xff/0x1b0 mm/memory.c:249 zap_pte_range mm/memory.c:1405 [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+0x1873/0x2030 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: Bad RIP value. RSP: 002b:00007f77b8522c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: 0000000000000000 RBX: 00007f77b8522c90 RCX: 0000000000457579 RDX: 00000000200006c0 RSI: 0000000000001269 RDI: 0000000000000003 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f77b85236d4 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: 16561, name: syz-executor4 INFO: lockdep is turned off. Preemption disabled at: [] __debug_check_no_obj_freed lib/debugobjects.c:777 [inline] [] debug_check_no_obj_freed+0x17a/0x58d lib/debugobjects.c:818 CPU: 1 PID: 16561 Comm: syz-executor4 Tainted: G W 4.19.0-rc6+ #45 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_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:995 [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: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:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xaf/0xd0 kernel/locking/spinlock.c:184 Code: 08 f2 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 28 48 83 3d 60 c4 81 01 00 74 15 48 89 df 57 9d <0f> 1f 44 00 00 eb ad e8 ec 4f 50 f9 eb bb 0f 0b 0f 0b e8 5a e8 11 RSP: 0018:ffff880181ff5bf0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: 0000000000000286 RCX: ffffffff8184c1ba RDX: 1ffffffff1263e41 RSI: ffffffff8184c1d4 RDI: 0000000000000286 RBP: ffff880181ff5c00 R08: ffff8801d2ed0080 R09: fffffbfff160f1e5 R10: fffffbfff160f1e5 R11: ffffffff8b078f2b R12: ffffffff8b078f28 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8b078f28 __debug_check_no_obj_freed lib/debugobjects.c:799 [inline] debug_check_no_obj_freed+0x305/0x58d lib/debugobjects.c:818 free_pages_prepare mm/page_alloc.c:1027 [inline] __free_pages_ok+0x44b/0x1660 mm/page_alloc.c:1245 free_compound_page+0x62/0x90 mm/page_alloc.c:566 free_transhuge_page+0x30a/0x490 mm/huge_memory.c:2733 __put_compound_page+0x96/0xe0 mm/swap.c:96 release_pages+0xa68/0x26a0 mm/swap.c:760 free_pages_and_swap_cache+0x475/0x6f0 mm/swap_state.c:319 tlb_flush_mmu_free+0xff/0x1b0 mm/memory.c:249 zap_pte_range mm/memory.c:1405 [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+0x1873/0x2030 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: Bad RIP value. RSP: 002b:00007f77b8522c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: 0000000000000000 RBX: 00007f77b8522c90 RCX: 0000000000457579 RDX: 00000000200006c0 RSI: 0000000000001269 RDI: 0000000000000003 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f77b85236d4 R13: 00000000004be93a R14: 00000000004ce5f0 R15: 0000000000000004 BUG: sleeping function called from invalid context at mm/slab.c:3066 in_atomic(): 1, irqs_disabled(): 0, pid: 16561, name: syz-executor4 INFO: lockdep is turned off. Preemption disabled at: [] __debug_check_no_obj_freed lib/debugobjects.c:777 [inline] [] debug_check_no_obj_freed+0x17a/0x58d lib/debugobjects.c:818 CPU: 1 PID: 16561 Comm: syz-executor4 Tainted: G W 4.19.0-rc6+ #45 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 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:995 [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: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