[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.109' (ECDSA) to the list of known hosts. syzkaller login: [ 37.086670] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 37.087945] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 37.103568] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 37.116545] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 37.117464] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 37.129588] audit: type=1804 audit(1675171721.883:2): pid=8004 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor276" name="/root/file0/bus" dev="loop1" ino=1357 res=1 [ 37.141781] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 37.225170] audit: type=1804 audit(1675171721.914:3): pid=8012 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor276" name="/root/file0/bus" dev="loop4" ino=1357 res=1 [ 37.260951] ------------[ cut here ]------------ [ 37.265883] WARNING: CPU: 0 PID: 8004 at fs/udf/inode.c:1977 __udf_add_aext+0x4cf/0x670 [ 37.274023] Kernel panic - not syncing: panic_on_warn set ... [ 37.274023] [ 37.281395] CPU: 0 PID: 8004 Comm: syz-executor276 Not tainted 4.14.304-syzkaller #0 [ 37.289311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 37.298659] Call Trace: [ 37.301337] dump_stack+0x1b2/0x281 [ 37.304959] panic+0x1f9/0x42d [ 37.308154] ? add_taint.cold+0x16/0x16 [ 37.312124] ? __udf_add_aext+0x4cf/0x670 [ 37.316278] ? __udf_add_aext+0x4cf/0x670 [ 37.320420] __warn.cold+0x20/0x44 [ 37.323954] ? ist_end_non_atomic+0x10/0x10 [ 37.328266] ? __udf_add_aext+0x4cf/0x670 [ 37.332493] report_bug+0x208/0x250 [ 37.336126] do_error_trap+0x195/0x2d0 [ 37.340012] ? math_error+0x2d0/0x2d0 [ 37.343810] ? lock_downgrade+0x740/0x740 [ 37.347959] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.352803] invalid_op+0x1b/0x40 [ 37.356255] RIP: 0010:__udf_add_aext+0x4cf/0x670 [ 37.361001] RSP: 0018:ffff888091aaf048 EFLAGS: 00010297 [ 37.361299] ------------[ cut here ]------------ [ 37.366352] RAX: ffff8880b3308680 RBX: ffff888091aaf378 RCX: 1ffff11011c7920c [ 37.371100] WARNING: CPU: 1 PID: 8014 at fs/udf/inode.c:1977 __udf_add_aext+0x4cf/0x670 [ 37.378338] RDX: 0000000000000000 RSI: ffff888091aaf380 RDI: ffff88808e3c9060 [ 37.386449] Modules linked in: [ 37.393698] RBP: ffff88808e3c9160 R08: 0000000000000001 R09: 0000000000000003 [ 37.396872] R10: 0000000000000000 R11: ffff8880b3308680 R12: 0000000000000001 [ 37.404116] CPU: 1 PID: 8014 Comm: syz-executor276 Not tainted 4.14.304-syzkaller #0 [ 37.411359] R13: 0000000000000000 R14: 0000000000000010 R15: 00000000000000b0 [ 37.411382] ? __udf_add_aext+0x4cf/0x670 [ 37.419217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 37.419223] task: ffff88809ce8a200 task.stack: ffff8880b3848000 [ 37.426499] udf_add_aext+0x1f2/0x280 [ 37.430618] RIP: 0010:__udf_add_aext+0x4cf/0x670 [ 37.430623] RSP: 0018:ffff8880b384f048 EFLAGS: 00010297 [ 37.439957] ? udf_setup_indirect_aext+0x730/0x730 [ 37.445989] RAX: ffff88809ce8a200 RBX: ffff8880b384f378 RCX: 1ffff11011c7a41c [ 37.449773] inode_getblk+0x1911/0x37a0 [ 37.454496] RDX: 0000000000000000 RSI: ffff8880b384f380 RDI: ffff88808e3d20e0 [ 37.459845] ? udf_delete_aext+0xa00/0xa00 [ 37.464758] RBP: ffff88808e3d21e0 R08: 0000000000000001 R09: 0000000000000001 [ 37.472008] ? __lock_acquire+0x5fc/0x3f20 [ 37.475950] R10: 0000000000000000 R11: ffff88809ce8a200 R12: 0000000000000001 [ 37.475955] R13: 0000000000000000 R14: 0000000000000010 R15: 00000000000000b0 [ 37.483213] ? __lock_acquire+0x5fc/0x3f20 [ 37.487419] FS: 00007fe541337700(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 [ 37.494681] ? pagevec_lookup_range+0x32/0x70 [ 37.498905] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.506173] ? lock_downgrade+0x740/0x740 [ 37.513691] CR2: 000055fd5c6550e8 CR3: 00000000aa28d000 CR4: 00000000003406e0 [ 37.517913] udf_get_block+0x202/0x570 [ 37.526112] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 37.530615] ? udf_block_map+0x250/0x250 [ 37.536564] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 37.540787] __block_write_begin_int+0x35c/0x11d0 [ 37.549793] Call Trace: [ 37.553677] ? udf_block_map+0x250/0x250 [ 37.560944] udf_add_aext+0x1f2/0x280 [ 37.564983] ? __breadahead_gfp+0x150/0x150 [ 37.572225] ? udf_setup_indirect_aext+0x730/0x730 [ 37.577045] ? wait_for_stable_page+0xe3/0x260 [ 37.579616] inode_getblk+0x1911/0x37a0 [ 37.583645] ? udf_block_map+0x250/0x250 [ 37.587427] ? udf_delete_aext+0xa00/0xa00 [ 37.591718] block_write_begin+0x58/0x270 [ 37.596630] ? __lock_acquire+0x5fc/0x3f20 [ 37.601321] udf_write_begin+0x39/0xa0 [ 37.605443] ? __lock_acquire+0x5fc/0x3f20 [ 37.609477] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 37.613696] ? pagevec_lookup_range+0x32/0x70 [ 37.619285] generic_perform_write+0x1d5/0x430 [ 37.623500] ? lock_downgrade+0x740/0x740 [ 37.627364] ? __mnt_drop_write_file+0x5f/0x90 [ 37.631578] udf_get_block+0x202/0x570 [ 37.636567] ? filemap_page_mkwrite+0x2d0/0x2d0 [ 37.641049] ? udf_block_map+0x250/0x250 [ 37.645607] ? current_time+0xb0/0xb0 [ 37.645619] __generic_file_write_iter+0x227/0x590 [ 37.649759] __block_write_begin_int+0x35c/0x11d0 [ 37.654314] udf_file_write_iter+0x284/0x470 [ 37.658177] ? udf_block_map+0x250/0x250 [ 37.663085] ? current_time+0x16/0xb0 [ 37.667129] ? __breadahead_gfp+0x150/0x150 [ 37.670901] ? iov_iter_init+0xa6/0x1c0 [ 37.675828] ? wait_for_stable_page+0xe3/0x260 [ 37.680731] __vfs_write+0x44c/0x630 [ 37.685117] ? udf_block_map+0x250/0x250 [ 37.689156] ? kernel_read+0x110/0x110 [ 37.692929] block_write_begin+0x58/0x270 [ 37.697233] ? __fsnotify_update_child_dentry_flags.part.0+0x2e0/0x2e0 [ 37.701182] udf_write_begin+0x39/0xa0 [ 37.705738] ? mark_held_locks+0xa6/0xf0 [ 37.709424] ? timespec_trunc+0xb7/0x120 [ 37.713642] __kernel_write+0xf5/0x330 [ 37.717498] generic_perform_write+0x1d5/0x430 [ 37.722242] write_pipe_buf+0x143/0x1c0 [ 37.728888] ? filemap_page_mkwrite+0x2d0/0x2d0 [ 37.732750] ? default_file_splice_read+0x910/0x910 [ 37.736789] ? current_time+0xb0/0xb0 [ 37.740824] ? page_cache_pipe_buf_confirm+0x18f/0x260 [ 37.744686] __generic_file_write_iter+0x227/0x590 [ 37.749240] __splice_from_pipe+0x326/0x7a0 [ 37.753190] udf_file_write_iter+0x284/0x470 [ 37.757919] ? default_file_splice_read+0x910/0x910 [ 37.762911] ? iov_iter_init+0xa6/0x1c0 [ 37.766687] default_file_splice_write+0xc5/0x150 [ 37.771938] __vfs_write+0x44c/0x630 [ 37.777052] ? generic_splice_sendpage+0x110/0x110 [ 37.781347] ? kernel_read+0x110/0x110 [ 37.785838] ? rw_verify_area+0xe1/0x2a0 [ 37.790833] ? __fsnotify_update_child_dentry_flags.part.0+0x2e0/0x2e0 [ 37.794775] ? generic_splice_sendpage+0x110/0x110 [ 37.799607] ? mark_held_locks+0xa6/0xf0 [ 37.803292] direct_splice_actor+0x115/0x160 [ 37.803303] splice_direct_to_actor+0x27c/0x730 [ 37.808213] __kernel_write+0xf5/0x330 [ 37.812206] ? generic_pipe_buf_nosteal+0x10/0x10 [ 37.816256] write_pipe_buf+0x143/0x1c0 [ 37.823007] ? do_splice_to+0x140/0x140 [ 37.827914] ? default_file_splice_read+0x910/0x910 [ 37.831964] ? rw_verify_area+0xe1/0x2a0 [ 37.836351] ? page_cache_pipe_buf_confirm+0x18f/0x260 [ 37.841009] do_splice_direct+0x164/0x210 [ 37.844870] __splice_from_pipe+0x326/0x7a0 [ 37.849859] ? splice_direct_to_actor+0x730/0x730 [ 37.853809] ? default_file_splice_read+0x910/0x910 [ 37.857764] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 37.862756] default_file_splice_write+0xc5/0x150 [ 37.866809] do_sendfile+0x47f/0xb30 [ 37.872064] ? generic_splice_sendpage+0x110/0x110 [ 37.876198] ? do_compat_writev+0x180/0x180 [ 37.880584] ? rw_verify_area+0xe1/0x2a0 [ 37.885411] ? SyS_futex+0x1da/0x290 [ 37.892589] ? generic_splice_sendpage+0x110/0x110 [ 37.897585] SyS_sendfile64+0xff/0x110 [ 37.902412] direct_splice_actor+0x115/0x160 [ 37.906097] ? SyS_sendfile+0x130/0x130 [ 37.911003] splice_direct_to_actor+0x27c/0x730 [ 37.915313] ? fput_many+0xe/0x140 [ 37.919351] ? generic_pipe_buf_nosteal+0x10/0x10 [ 37.923058] ? do_syscall_64+0x4c/0x640 [ 37.927969] ? do_splice_to+0x140/0x140 [ 37.931831] ? SyS_sendfile+0x130/0x130 [ 37.936240] ? rw_verify_area+0xe1/0x2a0 [ 37.940242] do_syscall_64+0x1d5/0x640 [ 37.944887] do_splice_direct+0x164/0x210 [ 37.948578] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 37.953398] ? splice_direct_to_actor+0x730/0x730 [ 37.957342] RIP: 0033:0x7fe54138b099 [ 37.961298] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 37.965241] RSP: 002b:00007fe5413372f8 EFLAGS: 00000246 [ 37.969293] do_sendfile+0x47f/0xb30 [ 37.973160] ORIG_RAX: 0000000000000028 [ 37.977298] ? do_compat_writev+0x180/0x180 [ 37.982455] RAX: ffffffffffffffda RBX: 00007fe54140f6e0 RCX: 00007fe54138b099 [ 37.987282] ? SyS_futex+0x1da/0x290 [ 37.990983] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 [ 37.990989] RBP: 00007fe5413dccb0 R08: 0000000000000000 R09: 0000000000000000 [ 37.996061] SyS_sendfile64+0xff/0x110 [ 38.001485] R10: 0000000001000fc4 R11: 0000000000000246 R12: 00007fe5413dc0c0 [ 38.005177] ? SyS_sendfile+0x130/0x130 [ 38.009209] R13: 0000000020000cc0 R14: 0030656c69662f2e R15: 00007fe54140f6e8 [ 38.013508] ? fput_many+0xe/0x140 [ 38.064912] ? do_syscall_64+0x4c/0x640 [ 38.068871] ? SyS_sendfile+0x130/0x130 [ 38.072846] do_syscall_64+0x1d5/0x640 [ 38.076736] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 38.081934] RIP: 0033:0x7fe54138b099 [ 38.085633] RSP: 002b:00007fe5413372f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 38.093328] RAX: ffffffffffffffda RBX: 00007fe54140f6e0 RCX: 00007fe54138b099 [ 38.100700] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 [ 38.107961] RBP: 00007fe5413dccb0 R08: 0000000000000000 R09: 0000000000000000 [ 38.115215] R10: 0000000001000fc4 R11: 0000000000000246 R12: 00007fe5413dc0c0 [ 38.122467] R13: 0000000020000cc0 R14: 0030656c69662f2e R15: 00007fe54140f6e8 [ 38.129732] Code: 74 30 e8 35 0b 20 ff 49 81 c7 d8 00 00 00 e8 29 0b 20 ff 48 8b 54 24 18 4c 29 fa 48 39 54 24 20 0f 84 0a fd ff ff e8 11 0b 20 ff <0f> 0b e9 fe fc ff ff e8 05 0b 20 ff 49 81 c7 b0 00 00 00 eb ce [ 38.149115] ---[ end trace d8d0ab34d3969765 ]--- [ 38.154067] Kernel Offset: disabled [ 38.157730] Rebooting in 86400 seconds..