rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2638 jiffies s: 33305 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 18544 Comm: syz-executor.5 Not tainted 6.6.0-rc7-syzkaller-00123-g3a568e3a961b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
RIP: 0010:hlock_class kernel/locking/lockdep.c:223 [inline]
RIP: 0010:__lock_acquire+0x1060/0x7f70 kernel/locking/lockdep.c:5132
Code: 6c 24 50 0f 85 ab 02 00 00 48 83 7c 24 28 00 0f 84 e8 01 00 00 48 8b 44 24 78 48 8d 58 f8 48 89 d8 48 c1 e8 03 42 0f b6 04 00 <84> c0 0f 85 f2 0f 00 00 8b 1b 81 e3 ff 1f 00 00 48 89 d8 48 c1 e8
RSP: 0018:ffffc900001f0860 EFLAGS: 00000802
RAX: 0000000000000000 RBX: ffff888046450b38 RCX: 00000000001ab13d
RDX: 00000000b1b0960e RSI: 0000000038724ec7 RDI: ffffffff906e4388
RBP: ffffc900001f0b28 R08: dffffc0000000000 R09: 1ffffffff20dc871
R10: dffffc0000000000 R11: fffffbfff20dc872 R12: 000000004f5c098b
R13: ffff888046450ac0 R14: 0000000015a76687 R15: ffff888046450b60
FS:  00007fcfb39fe6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555558fc938 CR3: 000000008c5f7000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lock_acquire+0x1e3/0x520 kernel/locking/lockdep.c:5753
 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline]
 _raw_spin_lock_irq+0xd3/0x120 kernel/locking/spinlock.c:170
 __run_hrtimer kernel/time/hrtimer.c:1692 [inline]
 __hrtimer_run_queues+0x66c/0xd10 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x396/0x980 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1063 [inline]
 __sysvec_apic_timer_interrupt+0x104/0x390 arch/x86/kernel/apic/apic.c:1080
 sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1074
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:console_flush_all+0x9bf/0xec0 kernel/printk/printk.c:2972
Code: 48 21 c3 0f 85 06 02 00 00 e8 2d 36 1d 00 48 8b 5c 24 28 4d 85 f6 75 07 e8 1e 36 1d 00 eb 06 e8 17 36 1d 00 fb 48 8b 44 24 78 <42> 0f b6 04 28 84 c0 0f 85 53 02 00 00 0f b6 1b 31 ff 89 de e8 88
RSP: 0018:ffffc90004eff2e0 EFLAGS: 00000283
RAX: 1ffff920009dfea8 RBX: ffffc90004eff540 RCX: 0000000000040000
RDX: ffffc9000c327000 RSI: 0000000000013b7e RDI: 0000000000013b7f
RBP: ffffc90004eff490 R08: ffffffff8170e720 R09: 1ffffffff20dc870
R10: dffffc0000000000 R11: fffffbfff20dc871 R12: 0000000000000001
R13: dffffc0000000000 R14: 0000000000000200 R15: ffffffff8da6e2f8
 console_unlock+0x13b/0x4d0 kernel/printk/printk.c:3035
 vprintk_emit+0x508/0x720 kernel/printk/printk.c:2307
 _printk+0xd5/0x120 kernel/printk/printk.c:2332
 __ext4_msg+0x2d7/0x2f0 fs/ext4/super.c:998
 ext4_check_descriptors fs/ext4/super.c:3329 [inline]
 ext4_group_desc_init+0x108a/0x1e10 fs/ext4/super.c:4891
 __ext4_fill_super fs/ext4/super.c:5305 [inline]
 ext4_fill_super+0x3c2b/0x6d10 fs/ext4/super.c:5703
 get_tree_bdev+0x416/0x5b0 fs/super.c:1577
 vfs_get_tree+0x8c/0x280 fs/super.c:1750
 do_new_mount+0x28f/0xae0 fs/namespace.c:3335
 do_mount fs/namespace.c:3675 [inline]
 __do_sys_mount fs/namespace.c:3884 [inline]
 __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3861
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fcfb4e7e1ea
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fcfb39fdee8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fcfb39fdf80 RCX: 00007fcfb4e7e1ea
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fcfb39fdf40
RBP: 0000000020000000 R08: 00007fcfb39fdf80 R09: 0000000000000016
R10: 0000000000000016 R11: 0000000000000202 R12: 0000000020000100
R13: 00007fcfb39fdf40 R14: 00000000000004f6 R15: 00000000200003c0
 </TASK>
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...0: (1 GPs behind) idle=704c/1/0x4000000000000000 softirq=64242/64244 fqs=5225
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:        0          0            0
rcu: 	cputime:        0          0            0   ==> 52500(ms)
rcu: 	(detected by 0, t=10502 jiffies, g=90005, q=668 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 18544 Comm: syz-executor.5 Not tainted 6.6.0-rc7-syzkaller-00123-g3a568e3a961b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
RIP: 0010:variable_test_bit arch/x86/include/asm/bitops.h:228 [inline]
RIP: 0010:arch_test_bit arch/x86/include/asm/bitops.h:240 [inline]
RIP: 0010:_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:142 [inline]
RIP: 0010:cpumask_test_cpu include/linux/cpumask.h:504 [inline]
RIP: 0010:cpu_online include/linux/cpumask.h:1082 [inline]
RIP: 0010:trace_hrtimer_cancel include/trace/events/timer.h:297 [inline]
RIP: 0010:debug_deactivate+0x5d/0x1f0 kernel/time/hrtimer.c:484
Code: e8 b8 b1 10 00 83 fb 07 77 65 e8 fe ad 10 00 89 dd 48 89 e8 48 c1 e8 06 48 8d 3c c5 68 6b 99 8e be 08 00 00 00 e8 a3 5e 6b 00 <31> db 48 0f a3 2d e1 fb 1b 0d 40 0f 92 c5 0f 92 c3 bf 02 00 00 00
RSP: 0018:ffffc900001f0d40 EFLAGS: 00000056
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff817d6f7d
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8e996b68
RBP: 0000000000000001 R08: ffffffff8e996b6f R09: 1ffffffff1d32d6d
R10: dffffc0000000000 R11: fffffbfff1d32d6e R12: ffff8880b992b840
R13: ffff8880b992b940 R14: ffff888076cf3340 R15: dffffc0000000000
FS:  00007fcfb39fe6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555558fc938 CR3: 000000008c5f7000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __run_hrtimer kernel/time/hrtimer.c:1656 [inline]
 __hrtimer_run_queues+0x321/0xd10 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x396/0x980 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1063 [inline]
 __sysvec_apic_timer_interrupt+0x104/0x390 arch/x86/kernel/apic/apic.c:1080
 sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1074
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:console_flush_all+0x9bf/0xec0 kernel/printk/printk.c:2972
Code: 48 21 c3 0f 85 06 02 00 00 e8 2d 36 1d 00 48 8b 5c 24 28 4d 85 f6 75 07 e8 1e 36 1d 00 eb 06 e8 17 36 1d 00 fb 48 8b 44 24 78 <42> 0f b6 04 28 84 c0 0f 85 53 02 00 00 0f b6 1b 31 ff 89 de e8 88
RSP: 0018:ffffc90004eff2e0 EFLAGS: 00000283
RAX: 1ffff920009dfea8 RBX: ffffc90004eff540 RCX: 0000000000040000
RDX: ffffc9000c327000 RSI: 0000000000013b7e RDI: 0000000000013b7f
RBP: ffffc90004eff490 R08: ffffffff8170e720 R09: 1ffffffff20dc870
R10: dffffc0000000000 R11: fffffbfff20dc871 R12: 0000000000000001
R13: dffffc0000000000 R14: 0000000000000200 R15: ffffffff8da6e2f8
 console_unlock+0x13b/0x4d0 kernel/printk/printk.c:3035
 vprintk_emit+0x508/0x720 kernel/printk/printk.c:2307
 _printk+0xd5/0x120 kernel/printk/printk.c:2332
 __ext4_msg+0x2d7/0x2f0 fs/ext4/super.c:998
 ext4_check_descriptors fs/ext4/super.c:3329 [inline]
 ext4_group_desc_init+0x108a/0x1e10 fs/ext4/super.c:4891
 __ext4_fill_super fs/ext4/super.c:5305 [inline]
 ext4_fill_super+0x3c2b/0x6d10 fs/ext4/super.c:5703
 get_tree_bdev+0x416/0x5b0 fs/super.c:1577
 vfs_get_tree+0x8c/0x280 fs/super.c:1750
 do_new_mount+0x28f/0xae0 fs/namespace.c:3335
 do_mount fs/namespace.c:3675 [inline]
 __do_sys_mount fs/namespace.c:3884 [inline]
 __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3861
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fcfb4e7e1ea
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fcfb39fdee8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fcfb39fdf80 RCX: 00007fcfb4e7e1ea
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fcfb39fdf40
RBP: 0000000020000000 R08: 00007fcfb39fdf80 R09: 0000000000000016
R10: 0000000000000016 R11: 0000000000000202 R12: 0000000020000100
R13: 00007fcfb39fdf40 R14: 00000000000004f6 R15: 00000000200003c0
 </TASK>
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 10765 jiffies s: 33305 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 18544 Comm: syz-executor.5 Not tainted 6.6.0-rc7-syzkaller-00123-g3a568e3a961b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
RIP: 0010:__kasan_check_read+0xa/0x20 mm/kasan/shadow.c:31
Code: 48 c7 c7 4f e9 a9 8c 48 89 de eb 0a 48 c7 c7 87 e9 a9 8c 4c 89 fe e8 75 0c e1 08 31 db eb d4 90 f3 0f 1e fa 89 f6 48 8b 0c 24 <31> d2 e9 bf ea ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00
RSP: 0018:ffffc900001f0818 EFLAGS: 00000003
RAX: 0000000000000037 RBX: 0000000000000de6 RCX: ffffffff816d18df
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff906e4538
RBP: ffffc900001f0ae8 R08: dffffc0000000000 R09: 1ffffffff20dc8a7
R10: dffffc0000000000 R11: fffffbfff20dc8a8 R12: ffff888046450ac0
R13: ffff888046450000 R14: ffff888046450b40 R15: ffff888046450b60
FS:  00007fcfb39fe6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555558fc938 CR3: 000000008c5f7000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 instrument_atomic_read include/linux/instrumented.h:68 [inline]
 _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
 __lock_acquire+0xdbf/0x7f70 kernel/locking/lockdep.c:5106
 lock_acquire+0x1e3/0x520 kernel/locking/lockdep.c:5753
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:351 [inline]
 advance_sched+0xae/0xcb0 net/sched/sch_taprio.c:935
 __run_hrtimer kernel/time/hrtimer.c:1688 [inline]
 __hrtimer_run_queues+0x59f/0xd10 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x396/0x980 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1063 [inline]
 __sysvec_apic_timer_interrupt+0x104/0x390 arch/x86/kernel/apic/apic.c:1080
 sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1074
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:console_flush_all+0x9bf/0xec0 kernel/printk/printk.c:2972
Code: 48 21 c3 0f 85 06 02 00 00 e8 2d 36 1d 00 48 8b 5c 24 28 4d 85 f6 75 07 e8 1e 36 1d 00 eb 06 e8 17 36 1d 00 fb 48 8b 44 24 78 <42> 0f b6 04 28 84 c0 0f 85 53 02 00 00 0f b6 1b 31 ff 89 de e8 88
RSP: 0018:ffffc90004eff2e0 EFLAGS: 00000283
RAX: 1ffff920009dfea8 RBX: ffffc90004eff540 RCX: 0000000000040000
RDX: ffffc9000c327000 RSI: 0000000000013b7e RDI: 0000000000013b7f
RBP: ffffc90004eff490 R08: ffffffff8170e720 R09: 1ffffffff20dc870
R10: dffffc0000000000 R11: fffffbfff20dc871 R12: 0000000000000001
R13: dffffc0000000000 R14: 0000000000000200 R15: ffffffff8da6e2f8
 console_unlock+0x13b/0x4d0 kernel/printk/printk.c:3035
 vprintk_emit+0x508/0x720 kernel/printk/printk.c:2307
 _printk+0xd5/0x120 kernel/printk/printk.c:2332
 __ext4_msg+0x2d7/0x2f0 fs/ext4/super.c:998
 ext4_check_descriptors fs/ext4/super.c:3329 [inline]
 ext4_group_desc_init+0x108a/0x1e10 fs/ext4/super.c:4891
 __ext4_fill_super fs/ext4/super.c:5305 [inline]
 ext4_fill_super+0x3c2b/0x6d10 fs/ext4/super.c:5703
 get_tree_bdev+0x416/0x5b0 fs/super.c:1577
 vfs_get_tree+0x8c/0x280 fs/super.c:1750
 do_new_mount+0x28f/0xae0 fs/namespace.c:3335
 do_mount fs/namespace.c:3675 [inline]
 __do_sys_mount fs/namespace.c:3884 [inline]
 __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3861
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fcfb4e7e1ea
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fcfb39fdee8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fcfb39fdf80 RCX: 00007fcfb4e7e1ea
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fcfb39fdf40
RBP: 0000000020000000 R08: 00007fcfb39fdf80 R09: 0000000000000016
R10: 0000000000000016 R11: 0000000000000202 R12: 0000000020000100
R13: 00007fcfb39fdf40 R14: 00000000000004f6 R15: 00000000200003c0
 </TASK>
NMI backtrace for cpu 1
CPU: 1 PID: 18544 Comm: syz-executor.5 Not tainted 6.6.0-rc7-syzkaller-00123-g3a568e3a961b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
RIP: 0010:debug_spin_lock_before kernel/locking/spinlock_debug.c:87 [inline]
RIP: 0010:do_raw_spin_lock+0x102/0x3a0 kernel/locking/spinlock_debug.c:114
Code: c8 0f 84 33 01 00 00 49 8d 5c 24 08 49 89 df 49 c1 ef 03 41 0f b6 04 17 84 c0 0f 85 d6 01 00 00 4c 8d 74 24 60 48 89 5c 24 18 <8b> 03 65 8b 0d b1 42 95 7e 39 c8 0f 84 1d 01 00 00 4d 89 f5 49 c1
RSP: 0018:ffffc900001f0be0 EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffff8880b992b848 RCX: ffff888046450000
RDX: dffffc0000000000 RSI: 1ffff9200003e184 RDI: ffff8880b992b840
RBP: ffffc900001f0cb0 R08: dffffc0000000000 R09: 1ffffffff20dc871
R10: dffffc0000000000 R11: fffffbfff20dc872 R12: ffff8880b992b840
R13: 1ffff9200003e198 R14: ffffc900001f0c40 R15: 1ffff11017325709
FS:  00007fcfb39fe6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555558fc938 CR3: 000000008c5f7000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:120 [inline]
 _raw_spin_lock_irq+0xdf/0x120 kernel/locking/spinlock.c:170
 __run_hrtimer kernel/time/hrtimer.c:1692 [inline]
 __hrtimer_run_queues+0x66c/0xd10 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x396/0x980 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1063 [inline]
 __sysvec_apic_timer_interrupt+0x104/0x390 arch/x86/kernel/apic/apic.c:1080
 sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1074
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:console_flush_all+0x9bf/0xec0 kernel/printk/printk.c:2972
Code: 48 21 c3 0f 85 06 02 00 00 e8 2d 36 1d 00 48 8b 5c 24 28 4d 85 f6 75 07 e8 1e 36 1d 00 eb 06 e8 17 36 1d 00 fb 48 8b 44 24 78 <42> 0f b6 04 28 84 c0 0f 85 53 02 00 00 0f b6 1b 31 ff 89 de e8 88
RSP: 0018:ffffc90004eff2e0 EFLAGS: 00000283
RAX: 1ffff920009dfea8 RBX: ffffc90004eff540 RCX: 0000000000040000
RDX: ffffc9000c327000 RSI: 0000000000013b7e RDI: 0000000000013b7f
RBP: ffffc90004eff490 R08: ffffffff8170e720 R09: 1ffffffff20dc870
R10: dffffc0000000000 R11: fffffbfff20dc871 R12: 0000000000000001
R13: dffffc0000000000 R14: 0000000000000200 R15: ffffffff8da6e2f8
 console_unlock+0x13b/0x4d0 kernel/printk/printk.c:3035
 vprintk_emit+0x508/0x720 kernel/printk/printk.c:2307
 _printk+0xd5/0x120 kernel/printk/printk.c:2332
 __ext4_msg+0x2d7/0x2f0 fs/ext4/super.c:998
 ext4_check_descriptors fs/ext4/super.c:3329 [inline]
 ext4_group_desc_init+0x108a/0x1e10 fs/ext4/super.c:4891
 __ext4_fill_super fs/ext4/super.c:5305 [inline]
 ext4_fill_super+0x3c2b/0x6d10 fs/ext4/super.c:5703
 get_tree_bdev+0x416/0x5b0 fs/super.c:1577
 vfs_get_tree+0x8c/0x280 fs/super.c:1750
 do_new_mount+0x28f/0xae0 fs/namespace.c:3335
 do_mount fs/namespace.c:3675 [inline]
 __do_sys_mount fs/namespace.c:3884 [inline]
 __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3861
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fcfb4e7e1ea
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fcfb39fdee8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fcfb39fdf80 RCX: 00007fcfb4e7e1ea
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fcfb39fdf40
RBP: 0000000020000000 R08: 00007fcfb39fdf80 R09: 0000000000000016
R10: 0000000000000016 R11: 0000000000000202 R12: 0000000020000100
R13: 00007fcfb39fdf40 R14: 00000000000004f6 R15: 00000000200003c0
 </TASK>