------------[ cut here ]------------
WARNING: CPU: 1 PID: 4948 at fs/udf/truncate.c:208 udf_truncate_extents+0x9bc/0xb14 fs/udf/truncate.c:208
Modules linked in:
CPU: 1 PID: 4948 Comm: syz.0.15 Not tainted 5.15.185-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : udf_truncate_extents+0x9bc/0xb14 fs/udf/truncate.c:208
lr : udf_truncate_extents+0x9bc/0xb14 fs/udf/truncate.c:208
sp : ffff80001f536de0
x29: ffff80001f536f60 x28: 0000000007e55e62 x27: 00000000000000ff
x26: ffff0000e2b901a8 x25: ffff0000e2b90040 x24: 1fffe0001c572008
x23: 0000000000000010 x22: 00000000000000ff x21: ffff80001f536e80
x20: ffff80001f536e60 x19: ffff0000e2b90158 x18: 0000000000000000
x17: 0000000000000000 x16: ffff800009748e34 x15: 0000000000000001
x14: 0000000000ff0100 x13: ffffffffffffffff x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000000000000000 x9 : ffff80000976213c
x8 : ffff0000cd13d1c0 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
x2 : ffff80001f536e88 x1 : 0000000007e55e62 x0 : 0000000000000000
Call trace:
 udf_truncate_extents+0x9bc/0xb14 fs/udf/truncate.c:208
 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:501
 inode_getblk fs/udf/inode.c:708 [inline]
 udf_get_block+0xc70/0x33f8 fs/udf/inode.c:358
 __block_write_begin_int+0x3e4/0x1588 fs/buffer.c:2012
 __block_write_begin fs/buffer.c:2062 [inline]
 block_write_begin+0x60/0xdc fs/buffer.c:2122
 udf_write_begin+0x50/0x98 fs/udf/inode.c:212
 generic_perform_write+0x204/0x480 mm/filemap.c:3785
 __generic_file_write_iter+0x23c/0x454 mm/filemap.c:3912
 udf_file_write_iter+0x218/0x470 fs/udf/file.c:163
 do_iter_readv_writev+0x3a0/0x4f8 fs/read_write.c:-1
 do_iter_write+0x1c4/0x670 fs/read_write.c:855
 vfs_writev fs/read_write.c:928 [inline]
 do_pwritev+0x1c8/0x2fc fs/read_write.c:1025
 __do_sys_pwritev2 fs/read_write.c:1084 [inline]
 __se_sys_pwritev2 fs/read_write.c:1075 [inline]
 __arm64_sys_pwritev2+0xd4/0x108 fs/read_write.c:1075
 __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: 130
hardirqs last  enabled at (129): [<ffff8000089d2634>] lookup_bh_lru fs/buffer.c:1294 [inline]
hardirqs last  enabled at (129): [<ffff8000089d2634>] __find_get_block+0x1c8/0xcd8 fs/buffer.c:1306
hardirqs last disabled at (130): [<ffff8000111a5098>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (78): [<ffff80000819d1e8>] softirq_handle_end kernel/softirq.c:419 [inline]
softirqs last  enabled at (78): [<ffff80000819d1e8>] handle_softirqs+0xa4c/0xbf0 kernel/softirq.c:604
softirqs last disabled at (39): [<ffff80000819d7ec>] __do_softirq kernel/softirq.c:610 [inline]
softirqs last disabled at (39): [<ffff80000819d7ec>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (39): [<ffff80000819d7ec>] invoke_softirq kernel/softirq.c:457 [inline]
softirqs last disabled at (39): [<ffff80000819d7ec>] __irq_exit_rcu+0x240/0x440 kernel/softirq.c:659
---[ end trace 0117d582a678fdfd ]---