rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2679 jiffies s: 3993 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5388 Comm: syz.4.322 Not tainted 6.1.130-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:mark_lock+0x0/0x340 kernel/locking/lockdep.c:4589
Code: c1 03 38 c1 0f 8c 73 ff ff ff 4c 89 ff e8 58 e8 76 00 e9 66 ff ff ff e8 fe 3d 46 09 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 <55> 41 57 41 56 41 55 41 54 53 48 83 ec 10 49 89 f7 48 89 3c 24 49
RSP: 0000:ffffc900000079d8 EFLAGS: 00000046
RAX: 0000000000000001 RBX: ffffffff90c45b58 RCX: 00000000000c4000
RDX: 0000000000000000 RSI: ffff888030a546d8 RDI: ffff888030a53b80
RBP: ffff888030a546d8 R08: dffffc0000000000 R09: fffffbfff225724e
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888030a54658
R13: ffff888030a53b80 R14: ffff888030a546f8 R15: 1ffff1100614a8df
FS:  00007fbeac1ff6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3111dff8 CR3: 000000005393a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 mark_usage kernel/locking/lockdep.c:4520 [inline]
 __lock_acquire+0xb40/0x1f80 kernel/locking/lockdep.c:5003
 lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162
 debug_object_activate+0x68/0x4e0 lib/debugobjects.c:698
 debug_hrtimer_activate kernel/time/hrtimer.c:421 [inline]
 debug_activate kernel/time/hrtimer.c:476 [inline]
 enqueue_hrtimer+0x30/0x410 kernel/time/hrtimer.c:1085
 __run_hrtimer kernel/time/hrtimer.c:1706 [inline]
 __hrtimer_run_queues+0x728/0xe50 kernel/time/hrtimer.c:1753
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1815
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1107 [inline]
 __sysvec_apic_timer_interrupt+0x158/0x5b0 arch/x86/kernel/apic/apic.c:1124
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1118
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:console_emit_next_record+0xa35/0xc30 kernel/printk/printk.c:2786
Code: fc ff df 48 8b 44 24 48 42 80 3c 28 00 44 0f b6 64 24 1f 48 8b 5c 24 30 74 08 48 89 df e8 a3 5b 73 00 48 ff 03 4c 8b 7c 24 58 <48> c7 84 24 80 00 00 00 0e 36 e0 45 4b c7 44 3d 00 00 00 00 00 4b
RSP: 0000:ffffc90005ed7080 EFLAGS: 00000283
RAX: ffffffff816ea03c RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc9000dc1b000 RSI: 00000000000111bb RDI: 00000000000111bc
RBP: ffffc90005ed72b0 R08: ffffffff816ea014 R09: fffffbfff225724d
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: dffffc0000000000 R14: 0000000000000046 R15: 1ffff92000bdae20
 console_unlock+0x278/0x7c0 kernel/printk/printk.c:2906
 vprintk_emit+0x523/0x740 kernel/printk/printk.c:2303
 _printk+0xd1/0x111 kernel/printk/printk.c:2328
 _btrfs_printk+0x51f/0x564 fs/btrfs/super.c:296
 open_ctree+0xb10/0x2cf8 fs/btrfs/disk-io.c:3497
 btrfs_fill_super+0x1c7/0x2e0 fs/btrfs/super.c:1469
 btrfs_mount_root+0x803/0x930 fs/btrfs/super.c:1835
 legacy_get_tree+0xeb/0x180 fs/fs_context.c:632
 vfs_get_tree+0x88/0x270 fs/super.c:1573
 fc_mount fs/namespace.c:1043 [inline]
 vfs_kern_mount+0xb8/0x150 fs/namespace.c:1073
 btrfs_mount+0x39b/0xb40 fs/btrfs/super.c:1895
 legacy_get_tree+0xeb/0x180 fs/fs_context.c:632
 vfs_get_tree+0x88/0x270 fs/super.c:1573
 do_new_mount+0x2ba/0xb40 fs/namespace.c:3056
 do_mount fs/namespace.c:3399 [inline]
 __do_sys_mount fs/namespace.c:3607 [inline]
 __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3584
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fbeac38e90a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fbeac1fee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fbeac1feef0 RCX: 00007fbeac38e90a
RDX: 0000400000005100 RSI: 0000400000000000 RDI: 00007fbeac1feeb0
RBP: 0000400000005100 R08: 00007fbeac1feef0 R09: 0000000000000810
R10: 0000000000000810 R11: 0000000000000246 R12: 0000400000000000
R13: 00007fbeac1feeb0 R14: 00000000000050f3 R15: 0000400000000200
 </TASK>
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...0: (1 GPs behind) idle=3684/1/0x4000000000000000 softirq=13586/13590 fqs=5249
	(detected by 1, t=10502 jiffies, g=13929, q=3216 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5388 Comm: syz.4.322 Not tainted 6.1.130-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:101 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:128 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:159 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0x5c/0x290 mm/kasan/generic.c:189
Code: fb 48 c1 eb 03 49 b8 00 00 00 00 00 fc ff df 4e 8d 0c 03 4c 8d 54 37 ff 49 c1 ea 03 49 bb 01 00 00 00 00 fc ff df 4f 8d 34 1a <4c> 89 f5 4c 29 cd 48 83 fd 10 7f 26 48 85 ed 0f 84 3a 01 00 00 49
RSP: 0000:ffffc90000007d38 EFLAGS: 00000803
RAX: 0000000000000001 RBX: 1ffffffff1d41685 RCX: ffffffff8179bd9e
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8ea0b428
RBP: 000000000001ffff R08: dffffc0000000000 R09: fffffbfff1d41685
R10: 1ffffffff1d41685 R11: dffffc0000000001 R12: ffffffff88d9e060
R13: 0000000000000000 R14: fffffbfff1d41686 R15: 0000000000000000
FS:  00007fbeac1ff6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3111dff8 CR3: 000000005393a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 instrument_atomic_read include/linux/instrumented.h:72 [inline]
 _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
 cpumask_test_cpu include/linux/cpumask.h:444 [inline]
 cpu_online include/linux/cpumask.h:1030 [inline]
 trace_hrtimer_expire_entry include/trace/events/timer.h:239 [inline]
 __run_hrtimer kernel/time/hrtimer.c:1686 [inline]
 __hrtimer_run_queues+0x50e/0xe50 kernel/time/hrtimer.c:1753
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1815
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1107 [inline]
 __sysvec_apic_timer_interrupt+0x158/0x5b0 arch/x86/kernel/apic/apic.c:1124
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1118
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:console_emit_next_record+0xa35/0xc30 kernel/printk/printk.c:2786
Code: fc ff df 48 8b 44 24 48 42 80 3c 28 00 44 0f b6 64 24 1f 48 8b 5c 24 30 74 08 48 89 df e8 a3 5b 73 00 48 ff 03 4c 8b 7c 24 58 <48> c7 84 24 80 00 00 00 0e 36 e0 45 4b c7 44 3d 00 00 00 00 00 4b
RSP: 0000:ffffc90005ed7080 EFLAGS: 00000283
RAX: ffffffff816ea03c RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc9000dc1b000 RSI: 00000000000111bb RDI: 00000000000111bc
RBP: ffffc90005ed72b0 R08: ffffffff816ea014 R09: fffffbfff225724d
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: dffffc0000000000 R14: 0000000000000046 R15: 1ffff92000bdae20
 console_unlock+0x278/0x7c0 kernel/printk/printk.c:2906
 vprintk_emit+0x523/0x740 kernel/printk/printk.c:2303
 _printk+0xd1/0x111 kernel/printk/printk.c:2328
 _btrfs_printk+0x51f/0x564 fs/btrfs/super.c:296
 open_ctree+0xb10/0x2cf8 fs/btrfs/disk-io.c:3497
 btrfs_fill_super+0x1c7/0x2e0 fs/btrfs/super.c:1469
 btrfs_mount_root+0x803/0x930 fs/btrfs/super.c:1835
 legacy_get_tree+0xeb/0x180 fs/fs_context.c:632
 vfs_get_tree+0x88/0x270 fs/super.c:1573
 fc_mount fs/namespace.c:1043 [inline]
 vfs_kern_mount+0xb8/0x150 fs/namespace.c:1073
 btrfs_mount+0x39b/0xb40 fs/btrfs/super.c:1895
 legacy_get_tree+0xeb/0x180 fs/fs_context.c:632
 vfs_get_tree+0x88/0x270 fs/super.c:1573
 do_new_mount+0x2ba/0xb40 fs/namespace.c:3056
 do_mount fs/namespace.c:3399 [inline]
 __do_sys_mount fs/namespace.c:3607 [inline]
 __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3584
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fbeac38e90a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fbeac1fee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fbeac1feef0 RCX: 00007fbeac38e90a
RDX: 0000400000005100 RSI: 0000400000000000 RDI: 00007fbeac1feeb0
RBP: 0000400000005100 R08: 00007fbeac1feef0 R09: 0000000000000810
R10: 0000000000000810 R11: 0000000000000246 R12: 0000400000000000
R13: 00007fbeac1feeb0 R14: 00000000000050f3 R15: 0000400000000200
 </TASK>
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 10871 jiffies s: 3993 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5388 Comm: syz.4.322 Not tainted 6.1.130-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:rb_red_parent lib/rbtree.c:66 [inline]
RIP: 0010:__rb_insert lib/rbtree.c:88 [inline]
RIP: 0010:rb_insert_color+0x25/0x620 lib/rbtree.c:436
Code: 5d ff e0 66 90 55 41 57 41 56 41 55 41 54 53 48 83 ec 30 48 89 f3 48 89 fd 49 bc 00 00 00 00 00 fc ff df 48 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 ef e8 7c 16 37 f7 4c 8b 75 00 4d 85 f6
RSP: 0000:ffffc90000007c58 EFLAGS: 00000802
RAX: 1ffff1100b30fe68 RBX: ffff8880b8e2a610 RCX: dffffc0000000000
RDX: 0000000000000018 RSI: ffff8880b8e2a610 RDI: ffff88805987f340
RBP: ffff88805987f340 R08: dffffc0000000000 R09: ffff88805987f340
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8880b8e2a610 R14: 0000000000000000 R15: ffff88805987f340
FS:  00007fbeac1ff6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3111dff8 CR3: 000000005393a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 rb_insert_color_cached include/linux/rbtree.h:114 [inline]
 rb_add_cached include/linux/rbtree.h:183 [inline]
 timerqueue_add+0x25c/0x280 lib/timerqueue.c:40
 enqueue_hrtimer+0x1bd/0x410 kernel/time/hrtimer.c:1093
 __run_hrtimer kernel/time/hrtimer.c:1706 [inline]
 __hrtimer_run_queues+0x728/0xe50 kernel/time/hrtimer.c:1753
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1815
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1107 [inline]
 __sysvec_apic_timer_interrupt+0x158/0x5b0 arch/x86/kernel/apic/apic.c:1124
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1118
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:console_emit_next_record+0xa35/0xc30 kernel/printk/printk.c:2786
Code: fc ff df 48 8b 44 24 48 42 80 3c 28 00 44 0f b6 64 24 1f 48 8b 5c 24 30 74 08 48 89 df e8 a3 5b 73 00 48 ff 03 4c 8b 7c 24 58 <48> c7 84 24 80 00 00 00 0e 36 e0 45 4b c7 44 3d 00 00 00 00 00 4b
RSP: 0000:ffffc90005ed7080 EFLAGS: 00000283
RAX: ffffffff816ea03c RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc9000dc1b000 RSI: 00000000000111bb RDI: 00000000000111bc
RBP: ffffc90005ed72b0 R08: ffffffff816ea014 R09: fffffbfff225724d
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: dffffc0000000000 R14: 0000000000000046 R15: 1ffff92000bdae20
 console_unlock+0x278/0x7c0 kernel/printk/printk.c:2906
 vprintk_emit+0x523/0x740 kernel/printk/printk.c:2303
 _printk+0xd1/0x111 kernel/printk/printk.c:2328
 _btrfs_printk+0x51f/0x564 fs/btrfs/super.c:296
 open_ctree+0xb10/0x2cf8 fs/btrfs/disk-io.c:3497
 btrfs_fill_super+0x1c7/0x2e0 fs/btrfs/super.c:1469
 btrfs_mount_root+0x803/0x930 fs/btrfs/super.c:1835
 legacy_get_tree+0xeb/0x180 fs/fs_context.c:632
 vfs_get_tree+0x88/0x270 fs/super.c:1573
 fc_mount fs/namespace.c:1043 [inline]
 vfs_kern_mount+0xb8/0x150 fs/namespace.c:1073
 btrfs_mount+0x39b/0xb40 fs/btrfs/super.c:1895
 legacy_get_tree+0xeb/0x180 fs/fs_context.c:632
 vfs_get_tree+0x88/0x270 fs/super.c:1573
 do_new_mount+0x2ba/0xb40 fs/namespace.c:3056
 do_mount fs/namespace.c:3399 [inline]
 __do_sys_mount fs/namespace.c:3607 [inline]
 __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3584
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fbeac38e90a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fbeac1fee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fbeac1feef0 RCX: 00007fbeac38e90a
RDX: 0000400000005100 RSI: 0000400000000000 RDI: 00007fbeac1feeb0
RBP: 0000400000005100 R08: 00007fbeac1feef0 R09: 0000000000000810
R10: 0000000000000810 R11: 0000000000000246 R12: 0000400000000000
R13: 00007fbeac1feeb0 R14: 00000000000050f3 R15: 0000400000000200
 </TASK>
NMI backtrace for cpu 0
CPU: 0 PID: 5388 Comm: syz.4.322 Not tainted 6.1.130-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:check_preemption_disabled+0x49/0x110 lib/smp_processor_id.c:55
Code: 75 65 8b 05 11 05 51 75 a9 ff ff ff 7f 74 22 65 48 8b 04 25 28 00 00 00 48 3b 44 24 08 0f 85 c7 00 00 00 89 d8 48 83 c4 10 5b <41> 5c 41 5e 41 5f c3 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24
RSP: 0000:ffffc90000007cf8 EFLAGS: 00000086
RAX: 0000000000000000 RBX: 0000000000000002 RCX: ffff888030a53b80
RDX: ffff888030a53b80 RSI: ffffffff8b0c2ec0 RDI: ffffffff8b5f6f80
RBP: 0000000000000001 R08: ffffffff8179bb81 R09: ffff88805987f340
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000046
R13: ffff888030a53b80 R14: 00000000ffffffff R15: ffff8880b8e2a4d8
FS:  00007fbeac1ff6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3111dff8 CR3: 000000005393a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lockdep_recursion_finish kernel/locking/lockdep.c:467 [inline]
 lock_is_held_type+0xfd/0x180 kernel/locking/lockdep.c:5706
 lock_is_held include/linux/lockdep.h:283 [inline]
 __run_hrtimer kernel/time/hrtimer.c:1655 [inline]
 __hrtimer_run_queues+0x307/0xe50 kernel/time/hrtimer.c:1753
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1815
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1107 [inline]
 __sysvec_apic_timer_interrupt+0x158/0x5b0 arch/x86/kernel/apic/apic.c:1124
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1118
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:console_emit_next_record+0xa35/0xc30 kernel/printk/printk.c:2786
Code: fc ff df 48 8b 44 24 48 42 80 3c 28 00 44 0f b6 64 24 1f 48 8b 5c 24 30 74 08 48 89 df e8 a3 5b 73 00 48 ff 03 4c 8b 7c 24 58 <48> c7 84 24 80 00 00 00 0e 36 e0 45 4b c7 44 3d 00 00 00 00 00 4b
RSP: 0000:ffffc90005ed7080 EFLAGS: 00000283
RAX: ffffffff816ea03c RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc9000dc1b000 RSI: 00000000000111bb RDI: 00000000000111bc
RBP: ffffc90005ed72b0 R08: ffffffff816ea014 R09: fffffbfff225724d
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: dffffc0000000000 R14: 0000000000000046 R15: 1ffff92000bdae20
 console_unlock+0x278/0x7c0 kernel/printk/printk.c:2906
 vprintk_emit+0x523/0x740 kernel/printk/printk.c:2303
 _printk+0xd1/0x111 kernel/printk/printk.c:2328
 _btrfs_printk+0x51f/0x564 fs/btrfs/super.c:296
 open_ctree+0xb10/0x2cf8 fs/btrfs/disk-io.c:3497
 btrfs_fill_super+0x1c7/0x2e0 fs/btrfs/super.c:1469
 btrfs_mount_root+0x803/0x930 fs/btrfs/super.c:1835
 legacy_get_tree+0xeb/0x180 fs/fs_context.c:632
 vfs_get_tree+0x88/0x270 fs/super.c:1573
 fc_mount fs/namespace.c:1043 [inline]
 vfs_kern_mount+0xb8/0x150 fs/namespace.c:1073
 btrfs_mount+0x39b/0xb40 fs/btrfs/super.c:1895
 legacy_get_tree+0xeb/0x180 fs/fs_context.c:632
 vfs_get_tree+0x88/0x270 fs/super.c:1573
 do_new_mount+0x2ba/0xb40 fs/namespace.c:3056
 do_mount fs/namespace.c:3399 [inline]
 __do_sys_mount fs/namespace.c:3607 [inline]
 __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3584
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fbeac38e90a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fbeac1fee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fbeac1feef0 RCX: 00007fbeac38e90a
RDX: 0000400000005100 RSI: 0000400000000000 RDI: 00007fbeac1feeb0
RBP: 0000400000005100 R08: 00007fbeac1feef0 R09: 0000000000000810
R10: 0000000000000810 R11: 0000000000000246 R12: 0000400000000000
R13: 00007fbeac1feeb0 R14: 00000000000050f3 R15: 0000400000000200
 </TASK>