Warning: Permanently added '10.128.0.167' (ED25519) to the list of known hosts. Setting up swapspace version 1, size = 127995904 bytes syzkaller login: [ 35.120626][ T3966] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS executing program [ 35.343982][ T3970] loop0: detected capacity change from 0 to 32768 [ 35.415301][ T3970] ======================================================= [ 35.415301][ T3970] WARNING: The mand mount option has been deprecated and [ 35.415301][ T3970] and is ignored by this kernel. Remove the mand [ 35.415301][ T3970] option from the mount to silence this warning. [ 35.415301][ T3970] ======================================================= [ 35.455052][ T3970] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor278 (3970) [ 35.498312][ T3970] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 35.500365][ T3970] BTRFS info (device loop0): use zlib compression, level 3 [ 35.501869][ T3970] BTRFS info (device loop0): disabling tree log [ 35.503247][ T3970] BTRFS info (device loop0): turning on sync discard [ 35.504993][ T3970] BTRFS info (device loop0): enabling ssd optimizations [ 35.506979][ T3970] BTRFS info (device loop0): using spread ssd allocation scheme [ 35.508620][ T3970] BTRFS info (device loop0): using free space tree [ 35.510038][ T3970] BTRFS info (device loop0): has skinny extents [ 35.537421][ T3970] FAULT_INJECTION: forcing a failure. [ 35.537421][ T3970] name failslab, interval 1, probability 0, space 0, times 1 [ 35.540066][ T3970] CPU: 0 PID: 3970 Comm: syz-executor278 Not tainted 5.15.147-syzkaller #0 [ 35.541950][ T3970] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 35.544106][ T3970] Call trace: [ 35.544841][ T3970] dump_backtrace+0x0/0x530 [ 35.545822][ T3970] show_stack+0x2c/0x3c [ 35.546717][ T3970] dump_stack_lvl+0x108/0x170 [ 35.547789][ T3970] dump_stack+0x1c/0x58 [ 35.548664][ T3970] should_fail+0x3b8/0x514 [ 35.549682][ T3970] __should_failslab+0xbc/0x110 [ 35.550759][ T3970] should_failslab+0x10/0x28 [ 35.551728][ T3970] slab_pre_alloc_hook+0x64/0xe8 [ 35.552686][ T3970] kmem_cache_alloc+0x98/0x45c [ 35.553729][ T3970] btrfs_alloc_path+0x48/0x54 [ 35.554854][ T3970] __btrfs_run_delayed_refs+0xf3c/0x3d50 [ 35.556030][ T3970] btrfs_run_delayed_refs+0x11c/0x47c [ 35.557116][ T3970] btrfs_commit_transaction+0x1b8/0x30f0 [ 35.558322][ T3970] btrfs_ioctl_set_fslabel+0x2e8/0x39c [ 35.559525][ T3970] btrfs_ioctl+0x50c/0xa5c [ 35.560492][ T3970] __arm64_sys_ioctl+0x14c/0x1c8 [ 35.561569][ T3970] invoke_syscall+0x98/0x2b8 [ 35.562556][ T3970] el0_svc_common+0x138/0x258 [ 35.563557][ T3970] do_el0_svc+0x58/0x14c [ 35.564529][ T3970] el0_svc+0x7c/0x1f0 [ 35.565400][ T3970] el0t_64_sync_handler+0x84/0xe4 [ 35.566413][ T3970] el0t_64_sync+0x1a0/0x1a4 [ 35.569859][ T3970] BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 35.572791][ T3970] ------------[ cut here ]------------ [ 35.574293][ T3970] WARNING: CPU: 0 PID: 3970 at fs/btrfs/extent-tree.c:2157 btrfs_run_delayed_refs+0x408/0x47c [ 35.576500][ T3970] Modules linked in: [ 35.577387][ T3970] CPU: 0 PID: 3970 Comm: syz-executor278 Not tainted 5.15.147-syzkaller #0 [ 35.579200][ T3970] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 35.581473][ T3970] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 35.583214][ T3970] pc : btrfs_run_delayed_refs+0x408/0x47c [ 35.584505][ T3970] lr : btrfs_run_delayed_refs+0x408/0x47c [ 35.585816][ T3970] sp : ffff80001cc577b0 [ 35.586730][ T3970] x29: ffff80001cc577c0 x28: dfff800000000000 x27: ffff0000da221024 [ 35.588446][ T3970] x26: 00000000fffffff4 x25: ffff0000dc1ab108 x24: 1fffe0001b835621 [ 35.590259][ T3970] x23: ffff0000dc1ab108 x22: 0000000000000000 x21: 0000000000000006 [ 35.591990][ T3970] x20: ffff0000da221000 x19: ffff0000dc1ab0b0 x18: 0000000000000001 [ 35.593701][ T3970] x17: 0000000000000000 x16: ffff800008334208 x15: 00000000ffffffff [ 35.595388][ T3970] x14: ffff0000c8d651c0 x13: 0000000000000001 x12: 0000000000000001 [ 35.597223][ T3970] x11: 0000000000000000 x10: 0000000000000000 x9 : 0f33d413c60b7a00 [ 35.599053][ T3970] x8 : 0f33d413c60b7a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 35.600780][ T3970] x5 : ffff80001cc56f18 x4 : ffff8000149ff8e0 x3 : ffff800008334354 [ 35.602522][ T3970] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 35.604291][ T3970] Call trace: [ 35.604985][ T3970] btrfs_run_delayed_refs+0x408/0x47c [ 35.606143][ T3970] btrfs_commit_transaction+0x1b8/0x30f0 [ 35.607349][ T3970] btrfs_ioctl_set_fslabel+0x2e8/0x39c [ 35.608535][ T3970] btrfs_ioctl+0x50c/0xa5c [ 35.609502][ T3970] __arm64_sys_ioctl+0x14c/0x1c8 [ 35.610569][ T3970] invoke_syscall+0x98/0x2b8 [ 35.611608][ T3970] el0_svc_common+0x138/0x258 [ 35.612749][ T3970] do_el0_svc+0x58/0x14c [ 35.613602][ T3970] el0_svc+0x7c/0x1f0 [ 35.614473][ T3970] el0t_64_sync_handler+0x84/0xe4 [ 35.615638][ T3970] el0t_64_sync+0x1a0/0x1a4 [ 35.616633][ T3970] irq event stamp: 84428 [ 35.617493][ T3970] hardirqs last enabled at (84427): [] __up_console_sem+0xb4/0x100 [ 35.619584][ T3970] hardirqs last disabled at (84428): [] el1_dbg+0x24/0x80 [ 35.621506][ T3970] softirqs last enabled at (84418): [] __do_softirq+0xb5c/0xdb0 [ 35.623591][ T3970] softirqs last disabled at (84413): [] __irq_exit_rcu+0x264/0x4d4 [ 35.625733][ T3970] ---[ end trace eb97c48aa561b0f7 ]--- [ 35.627170][ T3970] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2157: errno=-12 Out of memory [ 35.629215][ T3970] BTRFS info (device loop0): forced readonly