el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4415 at fs/btrfs/ioctl.c:4535 _btrfs_ioctl_set_received_subvol+0x9a4/0xdc4 fs/btrfs/ioctl.c:4535 Modules linked in: CPU: 1 PID: 4415 Comm: syz-executor.0 Not tainted 5.15.182-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : _btrfs_ioctl_set_received_subvol+0x9a4/0xdc4 fs/btrfs/ioctl.c:4535 lr : _btrfs_ioctl_set_received_subvol+0x9a4/0xdc4 fs/btrfs/ioctl.c:4535 sp : ffff80001f6e7bf0 x29: ffff80001f6e7c30 x28: dfff800000000000 x27: ffff0000cfe04000 x26: ffff0000c849e13f x25: ffff0000de94d0b0 x24: ffff0000c849e15f x23: 00000000fffffff4 x22: 1fffe0001bd29a21 x21: ffff0000de94d108 x20: 00000000fffffff4 x19: ffff0000cb246280 x18: 0000000000000001 x17: 0000000000000000 x16: ffff8000111a53fc x15: 00000000ffffffff x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : cb4e2e47bbb1be00 x8 : cb4e2e47bbb1be00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001f6e74d8 x4 : ffff80001422f280 x3 : ffff800008503828 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 Call trace: _btrfs_ioctl_set_received_subvol+0x9a4/0xdc4 fs/btrfs/ioctl.c:4535 btrfs_ioctl_set_received_subvol+0x8c/0x1fc fs/btrfs/ioctl.c:4632 btrfs_ioctl+0x68c/0xb38 fs/btrfs/ioctl.c:5018 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl fs/ioctl.c:860 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:860 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 83854 hardirqs last enabled at (83853): [] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257 hardirqs last disabled at (83854): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (83834): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (83834): [] handle_softirqs+0xa4c/0xbf0 kernel/softirq.c:586 softirqs last disabled at (83799): [] __do_softirq kernel/softirq.c:592 [inline] softirqs last disabled at (83799): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (83799): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (83799): [] __irq_exit_rcu+0x240/0x440 kernel/softirq.c:641 ---[ end trace d24e4722c7124c3b ]--- BTRFS: error (device loop0) in _btrfs_ioctl_set_received_subvol:4535: errno=-12 Out of memory BTRFS info (device loop0): forced readonly