DUID 00:04:a1:84:1b:e0:48:24:35:f8:15:f9:55:b5:79:ea:e6:3e
forked to background, child pid 4682
[   29.842020][ T4683] 8021q: adding VLAN 0 to HW filter on device bond0
[   29.854678][ T4683] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK

syzkaller
Warning: Permanently added '10.128.0.14' (ED25519) to the list of known hosts.
syzkaller login: [   52.825977][ T5011] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[   52.835853][ T5011] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[   52.843683][ T5011] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[   52.851915][ T5011] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[   52.859140][ T5011] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[   52.866723][ T5011] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
executing program
[   52.914587][ T5010] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5010 'syz-executor748'
[   52.925506][ T5010] loop0: detected capacity change from 0 to 64
[   52.949954][ T5019] syz-executor748[5019]: segfault at 0 ip 0000000000000000 sp 0000000020000008 error 14 likely on CPU 0 (core 0, socket 0)
[   52.951001][ T5020] syz-executor748[5020]: segfault at 0 ip 0000000000000000 sp 0000000020000008 error 14
[   52.964094][ T5016] syz-executor748[5016]: segfault at 0 ip 0000000000000000 sp 0000000020000008 error 14
[   52.977533][ T5017] syz-executor748[5017]: segfault at 0 ip 0000000000000000 sp 0000000020000008 error 14
[   52.980984][ T5019] Code: Unable to access opcode bytes at 0xffffffffffffffd6.
[   52.987450][ T5018] syz-executor748[5018]: segfault at 0 ip 0000000000000000 sp 0000000020000008 error 14
[   52.997369][ T5033] syz-executor748[5033]: segfault at 0 ip 0000000000000000 sp 0000000020000008 error 14
[   53.004740][ T5021] syz-executor748[5021]: segfault at 0 ip 0000000000000000 sp 0000000020000008 error 14
[   53.014242][ T5034] syz-executor748[5034]: segfault at 0 ip 0000000000000000 sp 0000000020000008 error 14
[   53.024344][ T5022] syz-executor748[5022]: segfault at 0 ip 0000000000000000 sp 0000000020000008 error 14
[   53.033825][ T5032] syz-executor748[5032]: segfault at 0 ip 0000000000000000 sp 0000000020000008 error 14
[   53.049753][ T5016]  likely on CPU 1 (core 0, socket 0)
[   53.053792][ T5017]  likely on CPU 1 (core 0, socket 0)
[   53.063380][ T5018]  likely on CPU 1 (core 0, socket 0)
[   53.070922][ T5020]  likely on CPU 1 (core 0, socket 0)
[   53.082229][ T5021]  likely on CPU 1 (core 0, socket 0)
[   53.089774][ T5021] Code: Unable to access opcode bytes at 0xffffffffffffffd6.
[   53.097488][ T5022]  likely on CPU 1 (core 0, socket 0)
[   53.115411][ T5023] ------------[ cut here ]------------
[   53.121052][ T5023] WARNING: CPU: 1 PID: 5023 at fs/buffer.c:1193 mark_buffer_dirty+0x2dd/0x500
[   53.129940][ T5023] Modules linked in:
[   53.129983][ T5017] 
[   53.133868][ T5023] CPU: 1 PID: 5023 Comm: syz-executor748 Not tainted 6.5.0-rc7-syzkaller-00185-g28f20a19294d #0
[   53.136738][ T5017] Code: Unable to access opcode bytes at 0xffffffffffffffd6.
[   53.146608][ T5023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[   53.146622][ T5023] RIP: 0010:mark_buffer_dirty+0x2dd/0x500
[   53.154386][ T5033]  likely on CPU 0 (core 0, socket 0)
[   53.164060][ T5023] Code: df e8 a7 12 e0 ff 48 8b 3b be 04 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 62 5d fc ff e8 cd 31 87 ff e9 71 ff ff ff e8 c3 31 87 ff <0f> 0b e9 6d fd ff ff e8 b7 31 87 ff 0f 0b e9 96 fd ff ff e8 ab 31
[   53.164078][ T5023] RSP: 0018:ffffc90003a4ece8 EFLAGS: 00010293
[   53.164097][ T5023] RAX: ffffffff820486bd RBX: ffff888016be9201 RCX: ffff88807c090000
[   53.170005][ T5020] Code: Unable to access opcode bytes at 0xffffffffffffffd6.
[   53.175177][ T5023] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   53.211021][ T5032]  likely on CPU 0 (core 0, socket 0)
[   53.216223][ T5023] RBP: 0000000000000000 R08: ffffffff82048424 R09: 1ffff1100ec4c35c
[   53.225225][ T5034]  likely on CPU 0 (core 0, socket 0)
[   53.229512][ T5023] R10: dffffc0000000000 R11: ffffed100ec4c35d R12: ffff888076261ae0
[   53.251026][ T5033] 
[   53.251027][ T5023] R13: ffff888076261570 R14: ffff888076261ae0 R15: dffffc0000000000
[   53.253342][ T5033] Code: Unable to access opcode bytes at 0xffffffffffffffd6.
[   53.261373][ T5023] FS:  00005555571453c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
[   53.277649][ T5023] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.280959][ T5034] 
[   53.284271][ T5023] CR2: 0000000000000000 CR3: 00000000734ee000 CR4: 00000000003506e0
[   53.286535][ T5034] Code: Unable to access opcode bytes at 0xffffffffffffffd6.
[   53.294519][ T5023] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   53.294533][ T5023] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   53.294545][ T5023] Call Trace:
[   53.294552][ T5023]  <TASK>
[   53.294560][ T5023]  ? __warn+0x162/0x4a0
[   53.294584][ T5023]  ? mark_buffer_dirty+0x2dd/0x500
[   53.303202][ T5032] 
[   53.309904][ T5023]  ? report_bug+0x2b3/0x500
[   53.317944][ T5016] 
[   53.321183][ T5023]  ? mark_buffer_dirty+0x2dd/0x500
[   53.321210][ T5023]  ? handle_bug+0x3d/0x70
[   53.334895][ T5016] Code: Unable to access opcode bytes at 0xffffffffffffffd6.
[   53.335714][ T5023]  ? exc_invalid_op+0x1a/0x50
[   53.341157][ T5018] 
[   53.342549][ T5023]  ? asm_exc_invalid_op+0x1a/0x20
[   53.347581][ T5018] Code: Unable to access opcode bytes at 0xffffffffffffffd6.
[   53.351925][ T5023]  ? mark_buffer_dirty+0x44/0x500
[   53.351946][ T5023]  ? mark_buffer_dirty+0x2dd/0x500
[   53.373655][ T5032] Code: Unable to access opcode bytes at 0xffffffffffffffd6.
[   53.378685][ T5023]  ? mark_buffer_dirty+0x2dd/0x500
[   53.401522][ T5023]  ? mark_buffer_dirty+0x2dd/0x500
[   53.406647][ T5023]  bfs_get_block+0x856/0xad0
[   53.411383][ T5023]  __block_write_begin_int+0x555/0x1a60
[   53.416967][ T5023]  ? bfs_bmap+0x30/0x30
[   53.421160][ T5023]  ? folio_zero_new_buffers+0x540/0x540
[   53.426723][ T5023]  ? pagecache_get_page+0xeb/0x220
[   53.431921][ T5023]  ? bfs_bmap+0x30/0x30
[   53.433217][ T5022] Code: Unable to access opcode bytes at 0xffffffffffffffd6.
[   53.436076][ T5023]  block_write_begin+0x9c/0x1f0
[   53.448679][ T5023]  ? bfs_write_begin+0x1e/0xd0
[   53.453515][ T5023]  bfs_write_begin+0x35/0xd0
[   53.458126][ T5023]  generic_perform_write+0x31b/0x630
[   53.463505][ T5023]  ? generic_file_direct_write+0x3f0/0x3f0
[   53.469331][ T5023]  ? generic_write_checks_count+0x490/0x490
[   53.475292][ T5023]  ? lockdep_hardirqs_on_prepare+0x43c/0x7a0
[   53.481327][ T5023]  ? __generic_file_write_iter+0x101/0x230
[   53.487183][ T5023]  generic_file_write_iter+0xaf/0x310
[   53.492624][ T5023]  __kernel_write_iter+0x32a/0x7c0
[   53.497753][ T5023]  ? _raw_spin_unlock+0x40/0x40
[   53.502678][ T5023]  ? vfs_read+0xb00/0xb00
[   53.507031][ T5023]  ? iov_iter_kvec+0x4e/0x1e0
[   53.511754][ T5023]  __kernel_write+0x120/0x170
[   53.516438][ T5023]  ? irqentry_exit_to_user_mode+0x9/0x40
[   53.522101][ T5023]  ? exc_page_fault+0x4e7/0x7c0
[   53.526959][ T5023]  ? __kernel_write_iter+0x7c0/0x7c0
[   53.532305][ T5023]  __dump_emit+0x236/0x360
[   53.536731][ T5023]  ? __dump_skip+0x250/0x250
[   53.541352][ T5023]  ? dump_emit+0x99/0xd0
[   53.545601][ T5023]  elf_core_dump+0x336a/0x4490
[   53.550361][ T5023]  ? load_elf_binary+0x2760/0x2760
[   53.555524][ T5023]  ? up_write+0x1a9/0x580
[   53.559878][ T5023]  ? rcu_read_lock_any_held+0xb7/0x160
[   53.565365][ T5023]  ? 0xffffffffff600000
[   53.569522][ T5023]  ? getname_kernel+0x140/0x2e0
[   53.574416][ T5023]  do_coredump+0x1b73/0x2ab0
[   53.579032][ T5023]  ? nfs_ssc_unregister+0x30/0x30
[   53.584130][ T5023]  ? _raw_spin_unlock_irq+0x23/0x50
[   53.589344][ T5023]  ? lockdep_hardirqs_on+0x98/0x140
[   53.594585][ T5023]  get_signal+0x145e/0x17e0
[   53.599112][ T5023]  ? ptrace_notify+0x380/0x380
[   53.603921][ T5023]  ? force_sig_fault+0x12b/0x1d0
[   53.608884][ T5023]  arch_do_signal_or_restart+0x91/0x670
[   53.614484][ T5023]  ? get_sigframe_size+0x10/0x10
[   53.619439][ T5023]  ? exit_to_user_mode_loop+0x39/0x100
[   53.624931][ T5023]  exit_to_user_mode_loop+0x6a/0x100
[   53.630218][ T5023]  exit_to_user_mode_prepare+0xb1/0x140
[   53.635801][ T5023]  irqentry_exit_to_user_mode+0x9/0x40
[   53.641289][ T5023]  exc_page_fault+0x4e7/0x7c0
[   53.645956][ T5023]  asm_exc_page_fault+0x26/0x30
[   53.650788][ T5023] RIP: 0033:0x0
[   53.654281][ T5023] Code: Unable to access opcode bytes at 0xffffffffffffffd6.
[   53.661677][ T5023] RSP: 002b:0000000020000008 EFLAGS: 00010217
[   53.667729][ T5023] RAX: 0000000000000000 RBX: 000000000000001a RCX: 00007f9d1491ba39
[   53.675723][ T5023] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000000
[   53.683716][ T5023] RBP: 00007ffe5806fcd8 R08: 0000000000000000 R09: 0000000000000000
[   53.691712][ T5023] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe5806fd10
[   53.699680][ T5023] R13: 00007f9d1499d590 R14: 0000000000000000 R15: 00007ffe5806fcf0
[   53.707694][ T5023]  </TASK>
[   53.710719][ T5023] Kernel panic - not syncing: kernel: panic_on_warn set ...
[   53.717979][ T5023] CPU: 1 PID: 5023 Comm: syz-executor748 Not tainted 6.5.0-rc7-syzkaller-00185-g28f20a19294d #0
[   53.728374][ T5023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[   53.738410][ T5023] Call Trace:
[   53.741673][ T5023]  <TASK>
[   53.744587][ T5023]  dump_stack_lvl+0x1e7/0x2d0
[   53.749249][ T5023]  ? nf_tcp_handle_invalid+0x650/0x650
[   53.754689][ T5023]  ? panic+0x770/0x770
[   53.758745][ T5023]  ? vscnprintf+0x5d/0x80
[   53.763063][ T5023]  panic+0x30f/0x770
[   53.766966][ T5023]  ? __warn+0x171/0x4a0
[   53.771116][ T5023]  ? __memcpy_flushcache+0x2b0/0x2b0
[   53.776402][ T5023]  __warn+0x314/0x4a0
[   53.780370][ T5023]  ? mark_buffer_dirty+0x2dd/0x500
[   53.785472][ T5023]  report_bug+0x2b3/0x500
[   53.789791][ T5023]  ? mark_buffer_dirty+0x2dd/0x500
[   53.794891][ T5023]  handle_bug+0x3d/0x70
[   53.799034][ T5023]  exc_invalid_op+0x1a/0x50
[   53.803528][ T5023]  asm_exc_invalid_op+0x1a/0x20
[   53.808364][ T5023] RIP: 0010:mark_buffer_dirty+0x2dd/0x500
[   53.814074][ T5023] Code: df e8 a7 12 e0 ff 48 8b 3b be 04 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 62 5d fc ff e8 cd 31 87 ff e9 71 ff ff ff e8 c3 31 87 ff <0f> 0b e9 6d fd ff ff e8 b7 31 87 ff 0f 0b e9 96 fd ff ff e8 ab 31
[   53.833665][ T5023] RSP: 0018:ffffc90003a4ece8 EFLAGS: 00010293
[   53.839723][ T5023] RAX: ffffffff820486bd RBX: ffff888016be9201 RCX: ffff88807c090000
[   53.847683][ T5023] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   53.855643][ T5023] RBP: 0000000000000000 R08: ffffffff82048424 R09: 1ffff1100ec4c35c
[   53.863601][ T5023] R10: dffffc0000000000 R11: ffffed100ec4c35d R12: ffff888076261ae0
[   53.871561][ T5023] R13: ffff888076261570 R14: ffff888076261ae0 R15: dffffc0000000000
[   53.879523][ T5023]  ? mark_buffer_dirty+0x44/0x500
[   53.884537][ T5023]  ? mark_buffer_dirty+0x2dd/0x500
[   53.889642][ T5023]  ? mark_buffer_dirty+0x2dd/0x500
[   53.894741][ T5023]  bfs_get_block+0x856/0xad0
[   53.899332][ T5023]  __block_write_begin_int+0x555/0x1a60
[   53.904883][ T5023]  ? bfs_bmap+0x30/0x30
[   53.909028][ T5023]  ? folio_zero_new_buffers+0x540/0x540
[   53.914566][ T5023]  ? pagecache_get_page+0xeb/0x220
[   53.919666][ T5023]  ? bfs_bmap+0x30/0x30
[   53.923812][ T5023]  block_write_begin+0x9c/0x1f0
[   53.928648][ T5023]  ? bfs_write_begin+0x1e/0xd0
[   53.933404][ T5023]  bfs_write_begin+0x35/0xd0
[   53.937989][ T5023]  generic_perform_write+0x31b/0x630
[   53.943277][ T5023]  ? generic_file_direct_write+0x3f0/0x3f0
[   53.949073][ T5023]  ? generic_write_checks_count+0x490/0x490
[   53.954953][ T5023]  ? lockdep_hardirqs_on_prepare+0x43c/0x7a0
[   53.960932][ T5023]  ? __generic_file_write_iter+0x101/0x230
[   53.966738][ T5023]  generic_file_write_iter+0xaf/0x310
[   53.972105][ T5023]  __kernel_write_iter+0x32a/0x7c0
[   53.977208][ T5023]  ? _raw_spin_unlock+0x40/0x40
[   53.982054][ T5023]  ? vfs_read+0xb00/0xb00
[   53.986386][ T5023]  ? iov_iter_kvec+0x4e/0x1e0
[   53.991071][ T5023]  __kernel_write+0x120/0x170
[   53.995736][ T5023]  ? irqentry_exit_to_user_mode+0x9/0x40
[   54.001358][ T5023]  ? exc_page_fault+0x4e7/0x7c0
[   54.006198][ T5023]  ? __kernel_write_iter+0x7c0/0x7c0
[   54.011487][ T5023]  __dump_emit+0x236/0x360
[   54.015899][ T5023]  ? __dump_skip+0x250/0x250
[   54.020480][ T5023]  ? dump_emit+0x99/0xd0
[   54.024713][ T5023]  elf_core_dump+0x336a/0x4490
[   54.029483][ T5023]  ? load_elf_binary+0x2760/0x2760
[   54.034588][ T5023]  ? up_write+0x1a9/0x580
[   54.038934][ T5023]  ? rcu_read_lock_any_held+0xb7/0x160
[   54.044386][ T5023]  ? 0xffffffffff600000
[   54.048527][ T5023]  ? getname_kernel+0x140/0x2e0
[   54.053375][ T5023]  do_coredump+0x1b73/0x2ab0
[   54.057978][ T5023]  ? nfs_ssc_unregister+0x30/0x30
[   54.063048][ T5023]  ? _raw_spin_unlock_irq+0x23/0x50
[   54.068324][ T5023]  ? lockdep_hardirqs_on+0x98/0x140
[   54.073515][ T5023]  get_signal+0x145e/0x17e0
[   54.078022][ T5023]  ? ptrace_notify+0x380/0x380
[   54.082773][ T5023]  ? force_sig_fault+0x12b/0x1d0
[   54.087702][ T5023]  arch_do_signal_or_restart+0x91/0x670
[   54.093244][ T5023]  ? get_sigframe_size+0x10/0x10
[   54.098182][ T5023]  ? exit_to_user_mode_loop+0x39/0x100
[   54.103629][ T5023]  exit_to_user_mode_loop+0x6a/0x100
[   54.108902][ T5023]  exit_to_user_mode_prepare+0xb1/0x140
[   54.114446][ T5023]  irqentry_exit_to_user_mode+0x9/0x40
[   54.119896][ T5023]  exc_page_fault+0x4e7/0x7c0
[   54.124570][ T5023]  asm_exc_page_fault+0x26/0x30
[   54.129408][ T5023] RIP: 0033:0x0
[   54.132855][ T5023] Code: Unable to access opcode bytes at 0xffffffffffffffd6.
[   54.140202][ T5023] RSP: 002b:0000000020000008 EFLAGS: 00010217
[   54.146258][ T5023] RAX: 0000000000000000 RBX: 000000000000001a RCX: 00007f9d1491ba39
[   54.154220][ T5023] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000000
[   54.162180][ T5023] RBP: 00007ffe5806fcd8 R08: 0000000000000000 R09: 0000000000000000
[   54.170139][ T5023] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe5806fd10
[   54.178101][ T5023] R13: 00007f9d1499d590 R14: 0000000000000000 R15: 00007ffe5806fcf0
[   54.186072][ T5023]  </TASK>
[   54.189261][ T5023] Kernel Offset: disabled
[   54.193655][ T5023] Rebooting in 86400 seconds..