Warning: Permanently added '10.128.0.78' (ED25519) to the list of known hosts. executing program [ 44.582225][ T4019] loop0: detected capacity change from 0 to 32768 [ 44.694507][ T4019] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor380 (4019) [ 44.757192][ T4019] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 44.759672][ T4019] BTRFS info (device loop0): using free space tree [ 44.761574][ T4019] BTRFS info (device loop0): has skinny extents [ 44.783396][ T4019] BTRFS info (device loop0): enabling ssd optimizations [ 44.805638][ T4019] FAULT_INJECTION: forcing a failure. [ 44.805638][ T4019] name failslab, interval 1, probability 0, space 0, times 1 [ 44.809229][ T4019] CPU: 1 PID: 4019 Comm: syz-executor380 Not tainted 5.15.180-syzkaller #0 [ 44.811565][ T4019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 44.814315][ T4019] Call trace: [ 44.815154][ T4019] dump_backtrace+0x0/0x43c [ 44.816373][ T4019] show_stack+0x2c/0x3c [ 44.817517][ T4019] __dump_stack+0x30/0x40 [ 44.818633][ T4019] dump_stack_lvl+0xf8/0x160 [ 44.819860][ T4019] dump_stack+0x1c/0x5c [ 44.820977][ T4019] should_fail+0x3c0/0x51c [ 44.822167][ T4019] __should_failslab+0xbc/0x10c [ 44.823473][ T4019] should_failslab+0x10/0x28 [ 44.824713][ T4019] slab_pre_alloc_hook+0x64/0xec [ 44.826084][ T4019] kmem_cache_alloc+0x94/0x3e4 [ 44.827364][ T4019] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 44.828896][ T4019] btrfs_inc_extent_ref+0x100/0x198 [ 44.830334][ T4019] btrfs_insert_replace_extent+0x660/0x970 [ 44.831868][ T4019] btrfs_replace_file_extents+0xa68/0x1290 [ 44.833438][ T4019] btrfs_clone+0xb30/0x1b24 [ 44.834649][ T4019] btrfs_clone_files+0x278/0x320 [ 44.836019][ T4019] btrfs_remap_file_range+0x488/0xb9c [ 44.837530][ T4019] vfs_copy_file_range+0xaa0/0x10ec [ 44.838911][ T4019] __arm64_sys_copy_file_range+0x534/0x8c8 [ 44.840547][ T4019] invoke_syscall+0x98/0x2b8 [ 44.841811][ T4019] el0_svc_common+0x138/0x258 [ 44.843076][ T4019] do_el0_svc+0x58/0x14c [ 44.844258][ T4019] el0_svc+0x78/0x1e0 [ 44.845288][ T4019] el0t_64_sync_handler+0xcc/0xe4 [ 44.846733][ T4019] el0t_64_sync+0x1a0/0x1a4 [ 44.851171][ T4019] ------------[ cut here ]------------ [ 44.852909][ T4019] WARNING: CPU: 1 PID: 4019 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 44.855708][ T4019] Modules linked in: [ 44.856756][ T4019] CPU: 1 PID: 4019 Comm: syz-executor380 Not tainted 5.15.180-syzkaller #0 [ 44.859118][ T4019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 44.861790][ T4019] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 44.863864][ T4019] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 44.865644][ T4019] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 44.867347][ T4019] sp : ffff80001f227420 [ 44.868521][ T4019] x29: ffff80001f227540 x28: 000000000001afff x27: 000000000000e000 [ 44.870758][ T4019] x26: dfff800000000000 x25: ffff0000cb9e6000 x24: ffff0000dd7909d0 [ 44.873077][ T4019] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000dc3fc478 [ 44.875396][ T4019] x20: ffff0000dc3fc420 x19: 1fffe0001b87f88f x18: 0000000000000001 [ 44.877615][ T4019] x17: 0000000000000000 x16: ffff80001119ef40 x15: 00000000ffffffff [ 44.879753][ T4019] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 44.881902][ T4019] x11: 0000000000000000 x10: 0000000000000000 x9 : e863510626b74500 [ 44.884133][ T4019] x8 : e863510626b74500 x7 : 0000000000000001 x6 : 0000000000000001 [ 44.886362][ T4019] x5 : ffff80001f226d18 x4 : ffff80001422f280 x3 : ffff800008503f9c [ 44.888615][ T4019] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 44.890762][ T4019] Call trace: [ 44.891672][ T4019] btrfs_replace_file_extents+0xcc4/0x1290 [ 44.893273][ T4019] btrfs_clone+0xb30/0x1b24 [ 44.894465][ T4019] btrfs_clone_files+0x278/0x320 [ 44.895754][ T4019] btrfs_remap_file_range+0x488/0xb9c [ 44.897185][ T4019] vfs_copy_file_range+0xaa0/0x10ec [ 44.898689][ T4019] __arm64_sys_copy_file_range+0x534/0x8c8 [ 44.900328][ T4019] invoke_syscall+0x98/0x2b8 [ 44.901543][ T4019] el0_svc_common+0x138/0x258 [ 44.902889][ T4019] do_el0_svc+0x58/0x14c [ 44.904028][ T4019] el0_svc+0x78/0x1e0 [ 44.905152][ T4019] el0t_64_sync_handler+0xcc/0xe4 [ 44.906479][ T4019] el0t_64_sync+0x1a0/0x1a4 [ 44.907730][ T4019] irq event stamp: 89764 [ 44.908976][ T4019] hardirqs last enabled at (89763): [] __up_console_sem+0xb4/0x100 [ 44.911657][ T4019] hardirqs last disabled at (89764): [] el1_dbg+0x24/0x80 [ 44.914101][ T4019] softirqs last enabled at (89738): [] handle_softirqs+0xa4c/0xbf0 [ 44.916704][ T4019] softirqs last disabled at (89619): [] __irq_exit_rcu+0x240/0x440 [ 44.919431][ T4019] ---[ end trace 77c72cf98ac6cdbd ]--- [ 44.921182][ T4019] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 44.924122][ T4019] BTRFS info (device loop0): forced readonly