[  OK  ] Reached target Graphical Interface.
         Starting Update UTMP about System Runlevel Changes...
[  OK  ] Started Update UTMP about System Runlevel Changes.
         Starting Load/Save RF Kill Switch Status...
[  OK  ] Started Load/Save RF Kill Switch Status.

Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.0.180' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   47.491354] attempt to access beyond end of device
[   47.496469] loop0: rw=2049, want=2361, limit=2048
[   47.501447] Buffer I/O error on dev loop0, logical block 2360, lost async page write
[   47.507718] ------------[ cut here ]------------
[   47.515535] WARNING: CPU: 0 PID: 8099 at fs/udf/truncate.c:226 udf_truncate_extents.cold+0x11/0x18
[   47.524632] Kernel panic - not syncing: panic_on_warn set ...
[   47.524632] 
[   47.531973] CPU: 0 PID: 8099 Comm: syz-executor695 Not tainted 4.19.211-syzkaller #0
[   47.539832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
[   47.549158] Call Trace:
[   47.551728]  dump_stack+0x1fc/0x2ef
[   47.555338]  panic+0x26a/0x50e
[   47.558512]  ? __warn_printk+0xf3/0xf3
[   47.562384]  ? udf_truncate_extents.cold+0x11/0x18
[   47.567292]  ? __probe_kernel_read+0x130/0x1b0
[   47.571850]  ? __warn.cold+0x5/0x5a
[   47.575457]  ? __warn+0xe4/0x200
[   47.578803]  ? udf_truncate_extents.cold+0x11/0x18
[   47.583710]  __warn.cold+0x20/0x5a
[   47.587230]  ? io_schedule_timeout+0x140/0x140
[   47.591793]  ? udf_truncate_extents.cold+0x11/0x18
[   47.596701]  report_bug+0x262/0x2b0
[   47.600313]  do_error_trap+0x1d7/0x310
[   47.604179]  ? math_error+0x310/0x310
[   47.607961]  ? __irq_work_queue_local+0x101/0x160
[   47.612788]  ? irq_work_queue+0x29/0x80
[   47.616742]  ? error_entry+0x72/0xd0
[   47.620436]  ? trace_hardirqs_off_caller+0x6e/0x210
[   47.625433]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   47.630258]  invalid_op+0x14/0x20
[   47.633694] RIP: 0010:udf_truncate_extents.cold+0x11/0x18
[   47.639210] Code: 89 df 48 c7 c6 40 a9 9a 88 e8 ac f9 ff ff 41 bc ea ff ff ff e9 96 57 78 fa e8 b0 a9 69 f9 48 c7 c7 60 b4 9a 88 e8 0f db fa ff <0f> 0b e9 81 78 78 fa e8 98 a9 69 f9 48 c7 c6 40 ba 9a 88 48 c7 c7
[   47.658090] RSP: 0018:ffff8880b132f948 EFLAGS: 00010286
[   47.663433] RAX: 0000000000000024 RBX: ffff88808dfa7120 RCX: 0000000000000000
[   47.670687] RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed1016265f1b
[   47.677935] RBP: ffff8880b132fa30 R08: 0000000000000024 R09: 0000000000000000
[   47.685182] R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880b132f9f0
[   47.692431] R13: 0000000000000200 R14: 00000000000000ff R15: ffff8880b0ca0cc0
[   47.699705]  ? vprintk_func+0x81/0x180
[   47.703574]  ? udf_truncate_extents.cold+0x11/0x18
[   47.708487]  ? lock_downgrade+0x720/0x720
[   47.712617]  ? udf_discard_prealloc+0x690/0x690
[   47.717264]  ? udf_write_failed.isra.0+0x173/0x1d0
[   47.722173]  ? udf_write_failed.isra.0+0xd4/0x1d0
[   47.727001]  udf_write_failed.isra.0+0x17b/0x1d0
[   47.731738]  udf_write_begin+0x89/0xa0
[   47.735621]  generic_perform_write+0x1f8/0x4d0
[   47.740187]  ? filemap_page_mkwrite+0x2f0/0x2f0
[   47.745270]  ? current_time+0x1c0/0x1c0
[   47.749229]  __generic_file_write_iter+0x24b/0x610
[   47.754159]  udf_file_write_iter+0x2d4/0x4e0
[   47.758554]  __vfs_write+0x51b/0x770
[   47.762255]  ? kernel_read+0x110/0x110
[   47.766141]  ? check_preemption_disabled+0x41/0x280
[   47.771156]  ? rcu_read_lock_sched_held+0x16c/0x1d0
[   47.776158]  vfs_write+0x1f3/0x540
[   47.779684]  ksys_write+0x12b/0x2a0
[   47.783301]  ? __ia32_sys_read+0xb0/0xb0
[   47.787351]  ? trace_hardirqs_off_caller+0x6e/0x210
[   47.792346]  ? do_syscall_64+0x21/0x620
[   47.796298]  do_syscall_64+0xf9/0x620
[   47.800080]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   47.805255] RIP: 0033:0x7f167ad9cf69
[   47.808947] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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
[   47.827922] RSP: 002b:00007f167ad482f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   47.835625] RAX: ffffffffffffffda RBX: 00007f167ae234c0 RCX: 00007f167ad9cf69
[   47.842887] RDX: 000000000208e24b RSI: 0000000020000040 RDI: 0000000000000003
[   47.850148] RBP: 00007f167adf00a4 R08: 0000000000000000 R09: 0000000000000000
[   47.857401] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f167adef0b8
[   47.864652] R13: 0030656c69662f2e R14: 632e79726f6d656d R15: 00007f167ae234c8
[   47.872250] Kernel Offset: disabled
[   47.875910] Rebooting in 86400 seconds..