------------[ cut here ]------------
WARNING: fs/ext4/ext4_jbd2.c:75 at ext4_journal_check_start+0x1e4/0x230 fs/ext4/ext4_jbd2.c:75, CPU#1: syz.6.889/10527
Modules linked in:
CPU: 1 UID: 0 PID: 10527 Comm: syz.6.889 Tainted: G             L      syzkaller #0 PREEMPT 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026
pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : ext4_journal_check_start+0x1e4/0x230 fs/ext4/ext4_jbd2.c:75
lr : ext4_journal_check_start+0x1e4/0x230 fs/ext4/ext4_jbd2.c:75
sp : ffff8000927672e0
x29: ffff8000927672e0 x28: ffff0000d531c668 x27: dfff800000000000
x26: ffff800088b07eb8 x25: 0000000000000000 x24: 1fffe0001edd6081
x23: 1fffe0001aa638cd x22: ffff0000d531c668 x21: dfff800000000000
x20: 0000000070810001 x19: ffff0000d531c000 x18: 00000000ffffffff
x17: ffff80008a791000 x16: 0000000000000004 x15: ffff80008a31ada0
x14: ffff80008a590e28 x13: 0000000000000001 x12: 0000000000000000
x11: ffff80008a590e28 x10: 0000000000080000 x9 : 00000000000024c9
x8 : ffff8000a0d1d000 x7 : 0000000000000000 x6 : 0000000000000008
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800080fc1868
x2 : 0000000000000001 x1 : ffff0000d3ec57c0 x0 : 0000000000000001
Call trace:
 ext4_journal_check_start+0x1e4/0x230 fs/ext4/ext4_jbd2.c:75 (P)
 __ext4_journal_start_sb+0x190/0x948 fs/ext4/ext4_jbd2.c:107
 ext4_sample_last_mounted fs/ext4/file.c:880 [inline]
 ext4_file_open+0x5c0/0x85c fs/ext4/file.c:912
 do_dentry_open+0x5c4/0xfc0 fs/open.c:947
 vfs_open+0x44/0x2dc fs/open.c:1052
 do_open fs/namei.c:4700 [inline]
 path_openat+0x21fc/0x2a60 fs/namei.c:4863
 do_file_open+0x1c8/0x2e8 fs/namei.c:4892
 do_open_execat+0x108/0x32c fs/exec.c:785
 open_exec+0x34/0x54 fs/exec.c:821
 bm_register_write+0x1c0/0x123c fs/binfmt_misc.c:820
 vfs_write+0x2a4/0xa0c fs/read_write.c:685
 ksys_write+0x12c/0x228 fs/read_write.c:739
 __do_sys_write fs/read_write.c:750 [inline]
 __se_sys_write fs/read_write.c:747 [inline]
 __arm64_sys_write+0x84/0x98 fs/read_write.c:747
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121
 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140
 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:736
 el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:755
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594
irq event stamp: 156
hardirqs last  enabled at (155): [<ffff80008690b4bc>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:178 [inline]
hardirqs last  enabled at (155): [<ffff80008690b4bc>] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:198
hardirqs last disabled at (156): [<ffff8000868e6198>] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:425
softirqs last  enabled at (94): [<ffff80008013c0b4>] local_bh_enable include/linux/bottom_half.h:33 [inline]
softirqs last  enabled at (94): [<ffff80008013c0b4>] put_cpu_fpsimd_context arch/arm64/kernel/fpsimd.c:251 [inline]
softirqs last  enabled at (94): [<ffff80008013c0b4>] fpsimd_restore_current_state+0x39c/0x9c8 arch/arm64/kernel/fpsimd.c:1797
softirqs last disabled at (92): [<ffff80008013bd5c>] local_bh_disable include/linux/bottom_half.h:20 [inline]
softirqs last disabled at (92): [<ffff80008013bd5c>] get_cpu_fpsimd_context arch/arm64/kernel/fpsimd.c:234 [inline]
softirqs last disabled at (92): [<ffff80008013bd5c>] fpsimd_restore_current_state+0x44/0x9c8 arch/arm64/kernel/fpsimd.c:1790
---[ end trace 0000000000000000 ]---
binfmt_misc: register: failed to install interpreter file ./file2