RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 RBP: 00007f8638d7e1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 000080001d00c0d0 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffd376a5b8f R14: 00007f8638d7e300 R15: 0000000000022000 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 15719 at fs/btrfs/extent-tree.c:2938 btrfs_run_delayed_refs.part.0+0x2b7/0x310 fs/btrfs/extent-tree.c:2938 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 15719 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 panic+0x26a/0x50e kernel/panic.c:186 __warn.cold+0x20/0x5a kernel/panic.c:541 report_bug+0x262/0x2b0 lib/bug.c:183 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038 RIP: 0010:btrfs_run_delayed_refs.part.0+0x2b7/0x310 fs/btrfs/extent-tree.c:2938 Code: 89 e6 bf fb ff ff ff e8 37 f1 7e fe 41 83 fc fb 0f 84 e7 8a 16 05 e8 b8 ef 7e fe 44 89 e6 48 c7 c7 40 23 a4 88 e8 8e 27 0f 05 <0f> 0b e8 a2 ef 7e fe 44 89 e1 ba 7a 0b 00 00 48 89 ef 48 c7 c6 80 RSP: 0018:ffff88809cbd7260 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff814dff01 RDI: ffffed101397ae3e RBP: ffff888042844690 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 00000000fffffff4 R13: ffff8880428446e0 R14: ffff88809550f6c0 R15: 0000000000000018 btrfs_run_delayed_refs+0xad/0xf0 fs/btrfs/extent-tree.c:2925 btrfs_commit_transaction+0x173/0x2480 fs/btrfs/transaction.c:1972 btrfs_alloc_data_chunk_ondemand+0x47e/0xce0 fs/btrfs/extent-tree.c:4205 btrfs_check_data_free_space+0xc8/0x150 fs/btrfs/extent-tree.c:4245 btrfs_delalloc_reserve_space+0x2a/0xb0 fs/btrfs/extent-tree.c:6033 btrfs_direct_IO+0x39f/0xc40 fs/btrfs/inode.c:8706 generic_file_direct_write+0x208/0x4a0 mm/filemap.c:3073 __btrfs_direct_write fs/btrfs/file.c:1837 [inline] btrfs_file_write_iter+0x925/0x1750 fs/btrfs/file.c:1980 call_write_iter include/linux/fs.h:1821 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x51b/0x770 fs/read_write.c:487 __kernel_write+0x109/0x370 fs/read_write.c:506 write_pipe_buf+0x153/0x1f0 fs/splice.c:798 splice_from_pipe_feed fs/splice.c:503 [inline] __splice_from_pipe+0x389/0x800 fs/splice.c:627 splice_from_pipe fs/splice.c:662 [inline] default_file_splice_write+0xd8/0x180 fs/splice.c:810 do_splice_from fs/splice.c:852 [inline] direct_splice_actor+0x115/0x160 fs/splice.c:1025 splice_direct_to_actor+0x33f/0x8d0 fs/splice.c:980 do_splice_direct+0x1a7/0x270 fs/splice.c:1068 do_sendfile+0x550/0xc30 fs/read_write.c:1447 __do_sys_sendfile64 fs/read_write.c:1508 [inline] __se_sys_sendfile64+0x147/0x160 fs/read_write.c:1494 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f863a80c0f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8638d7e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f863a92bf80 RCX: 00007f863a80c0f9 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 RBP: 00007f8638d7e1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 000080001d00c0d0 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffd376a5b8f R14: 00007f8638d7e300 R15: 0000000000022000 Kernel Offset: disabled Rebooting in 86400 seconds..