------------[ cut here ]------------ WARNING: CPU: 1 PID: 6248 at fs/ext4/ext4_jbd2.c:76 ext4_journal_check_start fs/ext4/ext4_jbd2.c:76 [inline] WARNING: CPU: 1 PID: 6248 at fs/ext4/ext4_jbd2.c:76 __ext4_journal_start_sb+0x460/0x88c fs/ext4/ext4_jbd2.c:108 Modules linked in: CPU: 1 UID: 0 PID: 6248 Comm: syz-executor236 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_journal_check_start fs/ext4/ext4_jbd2.c:76 [inline] pc : __ext4_journal_start_sb+0x460/0x88c fs/ext4/ext4_jbd2.c:108 lr : ext4_journal_check_start fs/ext4/ext4_jbd2.c:76 [inline] lr : __ext4_journal_start_sb+0x460/0x88c fs/ext4/ext4_jbd2.c:108 sp : ffff80009e2871d0 x29: ffff80009e2871e0 x28: 1fffe00019c0a8c8 x27: dfff800000000000 x26: ffff0000ce054050 x25: ffff0000ce054640 x24: ffff0000ce054000 x23: 0000000000000001 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: 0000000070810011 x18: 1fffe0003379be88 x17: ffff800093523000 x16: ffff800080528c60 x15: 0000000000000001 x14: 1ffff00011f39cd8 x13: 0000000000000000 x12: 0000000000000000 x11: ffff800093322be8 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000c5c33d00 x7 : ffff8000805c4c84 x6 : 0000000000000008 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000001 x0 : 0000000000000000 Call trace: ext4_journal_check_start fs/ext4/ext4_jbd2.c:76 [inline] (P) __ext4_journal_start_sb+0x460/0x88c fs/ext4/ext4_jbd2.c:108 (P) ext4_sample_last_mounted fs/ext4/file.c:869 [inline] ext4_file_open+0x5ac/0x84c fs/ext4/file.c:901 do_dentry_open+0x7a4/0x10bc fs/open.c:965 vfs_open+0x44/0x2d4 fs/open.c:1095 do_open fs/namei.c:3887 [inline] path_openat+0x2424/0x2c40 fs/namei.c:4046 do_filp_open+0x18c/0x36c fs/namei.c:4073 do_open_execat+0x124/0x4d8 fs/exec.c:783 open_exec+0x48/0x6c fs/exec.c:822 bm_register_write+0x230/0x12b8 fs/binfmt_misc.c:795 vfs_write+0x2b8/0xa3c fs/read_write.c:684 ksys_write+0x120/0x210 fs/read_write.c:738 __do_sys_write fs/read_write.c:749 [inline] __se_sys_write fs/read_write.c:746 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:746 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x58/0x180 arch/arm64/kernel/entry-common.c:879 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 118 hardirqs last enabled at (117): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (117): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (118): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (8): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (6): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- binfmt_misc: register: failed to install interpreter file ./file2