------------[ cut here ]------------
WARNING: CPU: 1 PID: 17494 at fs/udf/truncate.c:226 mark_inode_dirty include/linux/fs.h:2183 [inline]
WARNING: CPU: 1 PID: 17494 at fs/udf/truncate.c:226 udf_truncate_extents+0x69a/0x7fd fs/udf/truncate.c:283
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 17494 Comm: syz-executor.5 Not tainted 5.6.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x140/0x1a6 lib/dump_stack.c:118
 panic+0x2e1/0x5aa kernel/panic.c:221
 __warn.cold.10+0x25/0x2f kernel/panic.c:582
 report_bug+0x1ad/0x270 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 do_error_trap+0x12d/0x230 arch/x86/kernel/traps.c:267
 do_invalid_op+0x31/0x40 arch/x86/kernel/traps.c:286
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027
RIP: 0010:udf_truncate_extents+0x69a/0x7fd fs/udf/truncate.c:226
Code: 03 38 d0 7c 09 84 d2 74 05 e8 32 15 2a ff 8b 44 24 10 be 07 00 00 00 48 89 df 89 83 e4 fe ff ff e8 3b e7 3d ff e9 1f fe ff ff <0f> 0b e9 83 fe ff ff 0f 0b 48 c7 c7 60 81 d2 89 e8 4c 1f 1f 01 48
RSP: 0018:ffffc900015a7748 EFLAGS: 00010206
RAX: 00000000ffffffff RBX: ffff888073921180 RCX: 00000000001b8000
RDX: 0000000000000400 RSI: dffffc0000000000 RDI: 0000000000000400
RBP: ffffc900015a78c0 R08: 00000000ffffffff R09: ffff8880a646e800
R10: 0000000000000400 R11: ffff88807392114b R12: ffffc900015a7840
R13: ffff888095f6c000 R14: ffff888073921080 R15: ffffc900015a77c0
 udf_write_failed+0xb1/0xf0 fs/udf/inode.c:176
 udf_write_begin+0x48/0x50 fs/udf/inode.c:212
 generic_perform_write+0x253/0x410 mm/filemap.c:3287
 __generic_file_write_iter+0x1ff/0x520 mm/filemap.c:3416
 udf_file_write_iter+0x235/0x450 fs/udf/file.c:169
 call_write_iter include/linux/fs.h:1901 [inline]
 do_iter_readv_writev+0x4e5/0x7c0 fs/read_write.c:693
 do_iter_write+0x123/0x530 fs/read_write.c:998
 vfs_writev+0x16d/0x2d0 fs/read_write.c:1071
 do_pwritev+0x14c/0x1f0 fs/read_write.c:1168
 do_syscall_64+0xc6/0x670 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45de59
Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007eff02964c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000128
RAX: ffffffffffffffda RBX: 0000000000026400 RCX: 000000000045de59
RDX: 0000000000000001 RSI: 00000000200014c0 RDI: 0000000000000003
RBP: 000000000118bf70 R08: 0000000000000020 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffd647330df R14: 00007eff029659c0 R15: 000000000118bf2c
Kernel Offset: disabled
Rebooting in 86400 seconds..