Enabling of bearer rejected, already enabled Enabling of bearer rejected, already enabled kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access Enabling of bearer rejected, already enabled general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 7776 Comm: udevd Not tainted 5.0.0-rc6+ #75 kobject: 'loop0' (000000006d2bd104): fill_kobj_path: path = '/devices/virtual/block/loop0' Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:lock_accessed kernel/locking/lockdep.c:968 [inline] RIP: 0010:__bfs kernel/locking/lockdep.c:1035 [inline] RIP: 0010:__bfs+0x18a/0x5a0 kernel/locking/lockdep.c:989 Code: 8b 3f 4d 39 fd 0f 84 77 01 00 00 49 8d 7f 10 4c 89 f8 4c 8b 0d 17 8f fa 08 48 89 f9 48 2d a0 27 31 8a 48 c1 e9 03 48 c1 f8 06 <42> 80 3c 31 00 0f 85 db 02 00 00 49 8b 77 10 4c 8d 46 2c 4c 89 c1 Enabling of bearer rejected, already enabled RSP: 0018:ffff8880ae907828 EFLAGS: 00010003 RAX: 0000000001d73b61 RBX: ffff8880ae9078f0 RCX: 0000000000000002 RDX: 0000000000000000 RSI: 1ffffffff14aad54 RDI: 0000000000000010 RBP: ffff8880ae907890 R08: 0000000000000001 R09: 0000000000002106 R10: ffffed1015d25bcf R11: 0000000000000000 R12: 0000000000000006 kobject: 'loop4' (000000003d42f5bd): kobject_uevent_env R13: ffffffff8a200110 R14: dffffc0000000000 R15: 0000000000000000 FS: 00007fcfa54367a0(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000022aa448 CR3: 0000000099162000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 kobject: 'loop4' (000000003d42f5bd): fill_kobj_path: path = '/devices/virtual/block/loop4' DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __bfs_forwards kernel/locking/lockdep.c:1063 [inline] find_usage_forwards kernel/locking/lockdep.c:1363 [inline] check_usage_forwards+0x119/0x340 kernel/locking/lockdep.c:2575 Enabling of bearer rejected, already enabled Enabling of bearer rejected, already enabled Enabling of bearer rejected, already enabled mark_lock_irq kernel/locking/lockdep.c:2690 [inline] mark_lock+0x427/0x1380 kernel/locking/lockdep.c:3062 mark_irqflags kernel/locking/lockdep.c:2940 [inline] __lock_acquire+0x128f/0x4700 kernel/locking/lockdep.c:3295 Enabling of bearer rejected, already enabled Enabling of bearer rejected, already enabled kobject: 'loop4' (000000003d42f5bd): kobject_uevent_env kobject: 'loop4' (000000003d42f5bd): fill_kobj_path: path = '/devices/virtual/block/loop4' Enabling of bearer rejected, already enabled lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3841 Enabling of bearer rejected, already enabled __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 Enabling of bearer rejected, already enabled spin_lock include/linux/spinlock.h:329 [inline] __queue_work+0x9ce/0x1180 kernel/workqueue.c:1434 delayed_work_timer_fn+0x5d/0x90 kernel/workqueue.c:1520 kobject: 'loop5' (000000000d6a5c90): kobject_uevent_env call_timer_fn+0x190/0x720 kernel/time/timer.c:1325 kobject: 'loop5' (000000000d6a5c90): fill_kobj_path: path = '/devices/virtual/block/loop5' Enabling of bearer rejected, already enabled Enabling of bearer rejected, already enabled expire_timers kernel/time/timer.c:1358 [inline] __run_timers kernel/time/timer.c:1681 [inline] __run_timers kernel/time/timer.c:1649 [inline] run_timer_softirq+0x44c/0x1700 kernel/time/timer.c:1694 kobject: 'loop4' (000000003d42f5bd): kobject_uevent_env __do_softirq+0x266/0x95a kernel/softirq.c:292 Enabling of bearer rejected, already enabled invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x14a/0x570 arch/x86/kernel/apic/apic.c:1062 Enabling of bearer rejected, already enabled apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 RIP: 0010:update_stack_state+0x12/0x5f0 arch/x86/kernel/unwind_frame.c:208 Code: e7 e8 12 60 76 00 eb dc 48 8b 07 48 89 06 c3 66 0f 1f 84 00 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 41 57 41 56 <4c> 8d b5 78 ff ff ff 49 c1 ee 03 41 55 49 89 fd 41 54 49 8d 0c 06 RSP: 0018:ffff88809b5f7048 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 kobject: 'loop4' (000000003d42f5bd): fill_kobj_path: path = '/devices/virtual/block/loop4' RAX: dffffc0000000000 RBX: ffff88809b5f7178 RCX: ffff88809b5f70f0 RDX: 1ffff110136bee2d RSI: ffff88809b5f71f8 RDI: ffff88809b5f7178 RBP: ffff88809b5f7058 R08: 1ffff110136bee2f R09: ffff88809b5f71c8 R10: ffff88809b5f71a0 R11: ffff88809b5f71b0 R12: 1ffff110136bee12 R13: ffff88809b5f71f8 R14: ffff88809b5f7168 R15: ffff88809b5f7f58 kobject: 'loop1' (00000000f92b5eed): kobject_uevent_env unwind_next_frame.part.0+0x1a1/0x9a0 arch/x86/kernel/unwind_frame.c:329 Enabling of bearer rejected, already enabled unwind_next_frame arch/x86/include/asm/unwind.h:40 [inline] __unwind_start+0x16b/0x2f0 arch/x86/kernel/unwind_frame.c:414 unwind_start arch/x86/include/asm/unwind.h:54 [inline] __save_stack_trace+0x59/0xf0 arch/x86/kernel/stacktrace.c:43 kobject: 'loop1' (00000000f92b5eed): fill_kobj_path: path = '/devices/virtual/block/loop1' save_stack_trace+0x1a/0x20 arch/x86/kernel/stacktrace.c:60 save_stack+0x45/0xd0 mm/kasan/common.c:73 Enabling of bearer rejected, already enabled Enabling of bearer rejected, already enabled Enabling of bearer rejected, already enabled Enabling of bearer rejected, already enabled kobject: 'loop4' (000000003d42f5bd): kobject_uevent_env kobject: 'loop4' (000000003d42f5bd): fill_kobj_path: path = '/devices/virtual/block/loop4' Enabling of bearer rejected, already enabled Enabling of bearer rejected, already enabled set_track mm/kasan/common.c:85 [inline] __kasan_kmalloc mm/kasan/common.c:496 [inline] __kasan_kmalloc.constprop.0+0xcf/0xe0 mm/kasan/common.c:469 Enabling of bearer rejected, already enabled kasan_kmalloc mm/kasan/common.c:504 [inline] kasan_slab_alloc+0xf/0x20 mm/kasan/common.c:411 kmem_cache_alloc+0x12d/0x710 mm/slab.c:3543 Enabling of bearer rejected, already enabled __d_alloc+0x2e/0x8c0 fs/dcache.c:1622 d_alloc+0x4d/0x2b0 fs/dcache.c:1701 Enabling of bearer rejected, already enabled d_alloc_parallel+0xf4/0x1bc0 fs/dcache.c:2449 Enabling of bearer rejected, already enabled kobject: 'loop0' (000000006d2bd104): kobject_uevent_env kobject: 'loop0' (000000006d2bd104): fill_kobj_path: path = '/devices/virtual/block/loop0' Enabling of bearer rejected, already enabled __lookup_slow+0x1ab/0x500 fs/namei.c:1654 Enabling of bearer rejected, already enabled kobject: 'loop5' (000000000d6a5c90): kobject_uevent_env lookup_slow+0x58/0x80 fs/namei.c:1688 kobject: 'loop5' (000000000d6a5c90): fill_kobj_path: path = '/devices/virtual/block/loop5' walk_component+0x74b/0x2000 fs/namei.c:1810 lookup_last fs/namei.c:2273 [inline] path_lookupat.isra.0+0x1f5/0x8d0 fs/namei.c:2318 filename_lookup+0x1b0/0x410 fs/namei.c:2348 user_path_at_empty+0x43/0x50 fs/namei.c:2608 user_path_at include/linux/namei.h:57 [inline] vfs_statx+0x129/0x200 fs/stat.c:185 vfs_stat include/linux/fs.h:3171 [inline] __do_sys_newstat+0xa4/0x130 fs/stat.c:339 __se_sys_newstat fs/stat.c:335 [inline] __x64_sys_newstat+0x54/0x80 fs/stat.c:335 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fcfa4b3dc65 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:00007ffc4dfff238 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 RAX: ffffffffffffffda RBX: 000000000225a030 RCX: 00007fcfa4b3dc65 RDX: 00007ffc4dfff250 RSI: 00007ffc4dfff250 RDI: 00007ffc4dfff6e0 RBP: 00007ffc4dfffb20 R08: 000000000041f4f1 R09: 00007fcfa4b947d0 R10: 7665642f7379732f R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffc4dfffb27 R14: 000000000225a030 R15: 0000000002292a00 Modules linked in: ---[ end trace 2cbd0a648f34d7b2 ]--- RIP: 0010:lock_accessed kernel/locking/lockdep.c:968 [inline] RIP: 0010:__bfs kernel/locking/lockdep.c:1035 [inline] RIP: 0010:__bfs+0x18a/0x5a0 kernel/locking/lockdep.c:989 Code: 8b 3f 4d 39 fd 0f 84 77 01 00 00 49 8d 7f 10 4c 89 f8 4c 8b 0d 17 8f fa 08 48 89 f9 48 2d a0 27 31 8a 48 c1 e9 03 48 c1 f8 06 <42> 80 3c 31 00 0f 85 db 02 00 00 49 8b 77 10 4c 8d 46 2c 4c 89 c1 RSP: 0018:ffff8880ae907828 EFLAGS: 00010003 RAX: 0000000001d73b61 RBX: ffff8880ae9078f0 RCX: 0000000000000002 RDX: 0000000000000000 RSI: 1ffffffff14aad54 RDI: 0000000000000010 RBP: ffff8880ae907890 R08: 0000000000000001 R09: 0000000000002106 R10: ffffed1015d25bcf R11: 0000000000000000 R12: 0000000000000006 R13: ffffffff8a200110 R14: dffffc0000000000 R15: 0000000000000000 FS: 00007fcfa54367a0(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000022aa448 CR3: 0000000099162000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400