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: 0 PID: 4445 at fs/btrfs/tree-log.c:3212 btrfs_sync_log+0x1420/0x1f48 fs/btrfs/tree-log.c:3212
Modules linked in:
CPU: 0 PID: 4445 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : btrfs_sync_log+0x1420/0x1f48 fs/btrfs/tree-log.c:3212
lr : btrfs_sync_log+0x1420/0x1f48 fs/btrfs/tree-log.c:3212
sp : ffff80001f6073e0
x29: ffff80001f6077e0 x28: 00000000fffffff4 x27: 1fffe0001a8acc2c
x26: ffff0000c5ec0000 x25: ffff0000d4566160 x24: ffff0000d45661b8
x23: ffff80001f6074a0 x22: ffff0000c885e000 x21: ffff0000cfa8c4e0
x20: 0000000000000009 x19: ffff0000c91dc000 x18: 0000000000000001
x17: 0000000000000000 x16: ffff8000111bc798 x15: 00000000ffffffff
x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000000000000000 x9 : 849d007e6f5b3800
x8 : 849d007e6f5b3800 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001f606cd8 x4 : ffff80001424f400 x3 : ffff80000850433c
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026
Call trace:
 btrfs_sync_log+0x1420/0x1f48 fs/btrfs/tree-log.c:3212
 btrfs_sync_file+0x990/0xe7c fs/btrfs/file.c:2371
 vfs_fsync_range+0x168/0x188 fs/sync.c:188
 generic_write_sync include/linux/fs.h:2989 [inline]
 btrfs_file_write_iter+0x99c/0xbe8 fs/btrfs/file.c:2099
 call_write_iter include/linux/fs.h:2172 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0x7c8/0xa2c fs/read_write.c:594
 ksys_write+0x120/0x210 fs/read_write.c:647
 __do_sys_write fs/read_write.c:659 [inline]
 __se_sys_write fs/read_write.c:656 [inline]
 __arm64_sys_write+0x7c/0x90 fs/read_write.c:656
 __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: 82968
hardirqs last  enabled at (82967): [<ffff8000082f8f64>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257
hardirqs last disabled at (82968): [<ffff8000111b7ff8>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (82938): [<ffff80000819e9e8>] softirq_handle_end kernel/softirq.c:419 [inline]
softirqs last  enabled at (82938): [<ffff80000819e9e8>] handle_softirqs+0xa4c/0xbf0 kernel/softirq.c:604
softirqs last disabled at (82747): [<ffff80000819efec>] __do_softirq kernel/softirq.c:610 [inline]
softirqs last disabled at (82747): [<ffff80000819efec>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (82747): [<ffff80000819efec>] invoke_softirq kernel/softirq.c:457 [inline]
softirqs last disabled at (82747): [<ffff80000819efec>] __irq_exit_rcu+0x240/0x440 kernel/softirq.c:659
---[ end trace b7df5b49646b4a42 ]---
BTRFS: error (device loop0) in btrfs_sync_log:3212: errno=-12 Out of memory
BTRFS info (device loop0): forced readonly