DUID 00:04:4b:a6:d8:97:08:21:27:2e:fd:cf:3e:39:f6:c0:7f:1f forked to background, child pid 3212 [ 36.235041][ T3213] 8021q: adding VLAN 0 to HW filter on device bond0 [ 36.247715][ T3213] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.10.62' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 61.830228][ T3544] loop0: detected capacity change from 0 to 4096 [ 61.859249][ T3544] ntfs3: loop0: Different NTFS' sector size (2048) and media sector size (512) [ 61.874517][ T3544] ntfs3: loop0: Mark volume as dirty due to NTFS errors [ 61.949525][ T3544] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 61.957369][ T3544] #PF: supervisor instruction fetch in kernel mode [ 61.963881][ T3544] #PF: error_code(0x0010) - not-present page [ 61.969865][ T3544] PGD 24fe3067 P4D 24fe3067 PUD 1f413067 PMD 0 [ 61.976121][ T3544] Oops: 0010 [#1] PREEMPT SMP KASAN [ 61.981315][ T3544] CPU: 1 PID: 3544 Comm: syz-executor156 Not tainted 6.1.31-syzkaller #0 [ 61.989811][ T3544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 61.999870][ T3544] RIP: 0010:0x0 [ 62.003333][ T3544] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 62.010721][ T3544] RSP: 0018:ffffc90003a8fcc8 EFLAGS: 00010282 [ 62.016791][ T3544] RAX: 0000000000000000 RBX: ffffea0001c92f00 RCX: dffffc0000000000 [ 62.024764][ T3544] RDX: 0000000000000000 RSI: ffffea0001c92f00 RDI: ffff888073e87318 [ 62.032728][ T3544] RBP: 0000000000000000 R08: ffffffff81b95b86 R09: fffff940003925e1 [ 62.040699][ T3544] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000001000 [ 62.048670][ T3544] R13: 0000000000000000 R14: 0000000000001000 R15: ffffffffffffffff [ 62.056641][ T3544] FS: 0000555555f00300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 62.065566][ T3544] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.072147][ T3544] CR2: ffffffffffffffd6 CR3: 00000000183e3000 CR4: 00000000003506e0 [ 62.080116][ T3544] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.088081][ T3544] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.096046][ T3544] Call Trace: [ 62.099334][ T3544] <TASK> [ 62.102271][ T3544] ? __die_body+0x5e/0xa0 [ 62.106624][ T3544] ? page_fault_oops+0x7fe/0xaa0 [ 62.111567][ T3544] ? kernelmode_fixup_or_oops+0x2a0/0x2a0 [ 62.117325][ T3544] ? folio_mark_accessed+0x315/0x18f0 [ 62.122702][ T3544] ? folio_activate_fn+0x2910/0x2910 [ 62.127993][ T3544] ? rcu_is_watching+0x11/0xb0 [ 62.132753][ T3544] ? is_errata93+0xc0/0x240 [ 62.137255][ T3544] ? exc_page_fault+0x1e9/0x790 [ 62.142137][ T3544] ? page_cache_prev_miss+0x500/0x500 [ 62.147512][ T3544] ? asm_exc_page_fault+0x22/0x30 [ 62.152537][ T3544] ? folio_mark_dirty+0xb6/0x360 [ 62.157480][ T3544] ntfs_sparse_cluster+0x718/0xa20 [ 62.162601][ T3544] ? ntfs_set_size+0x180/0x1f0 [ 62.167374][ T3544] ntfs_fallocate+0xa70/0x1020 [ 62.172230][ T3544] ? ntfs_file_release+0x200/0x200 [ 62.177343][ T3544] ? common_file_perm+0x17d/0x1d0 [ 62.182364][ T3544] vfs_fallocate+0x547/0x6b0 [ 62.186962][ T3544] __x64_sys_fallocate+0xb9/0x100 [ 62.191991][ T3544] do_syscall_64+0x3d/0xb0 [ 62.196411][ T3544] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 62.202302][ T3544] RIP: 0033:0x7f14a49cb819 [ 62.206716][ T3544] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 00 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 62.226324][ T3544] RSP: 002b:00007fffd1fe33c8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 62.234740][ T3544] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f14a49cb819 [ 62.242706][ T3544] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 62.250866][ T3544] RBP: 00007f14a498b0b0 R08: 0000000000000000 R09: 0000000000000000 [ 62.258832][ T3544] R10: 00000000001000f0 R11: 0000000000000246 R12: 00007f14a498b140 [ 62.266800][ T3544] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 62.274777][ T3544] </TASK> [ 62.277878][ T3544] Modules linked in: [ 62.281760][ T3544] CR2: 0000000000000000 [ 62.285906][ T3544] ---[ end trace 0000000000000000 ]--- [ 62.291352][ T3544] RIP: 0010:0x0 [ 62.294811][ T3544] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 62.302168][ T3544] RSP: 0018:ffffc90003a8fcc8 EFLAGS: 00010282 [ 62.308232][ T3544] RAX: 0000000000000000 RBX: ffffea0001c92f00 RCX: dffffc0000000000 [ 62.316201][ T3544] RDX: 0000000000000000 RSI: ffffea0001c92f00 RDI: ffff888073e87318 [ 62.324168][ T3544] RBP: 0000000000000000 R08: ffffffff81b95b86 R09: fffff940003925e1 [ 62.332134][ T3544] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000001000 [ 62.340099][ T3544] R13: 0000000000000000 R14: 0000000000001000 R15: ffffffffffffffff [ 62.348066][ T3544] FS: 0000555555f00300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 62.356990][ T3544] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.363569][ T3544] CR2: ffffffffffffffd6 CR3: 00000000183e3000 CR4: 00000000003506e0 [ 62.371538][ T3544] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.379510][ T3544] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.387477][ T3544] Kernel panic - not syncing: Fatal exception [ 62.393799][ T3544] Kernel Offset: disabled [ 62.398130][ T3544] Rebooting in 86400 seconds..