DUID 00:04:17:4d:40:87:6e:bf:2d:0e:65:92:c1:2a:fb:91:5f:79 forked to background, child pid 3172 [ 21.536610][ T3173] 8021q: adding VLAN 0 to HW filter on device bond0 [ 21.548778][ T3173] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.82' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 44.066400][ T3497] loop0: detected capacity change from 0 to 4096 [ 44.075750][ T3497] ntfs3: loop0: Different NTFS' sector size (2048) and media sector size (512) [ 44.089685][ T3497] ntfs3: loop0: Mark volume as dirty due to NTFS errors [ 44.144190][ T3497] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 44.151998][ T3497] #PF: supervisor instruction fetch in kernel mode [ 44.161345][ T3497] #PF: error_code(0x0010) - not-present page [ 44.167293][ T3497] PGD 1f32b067 P4D 1f32b067 PUD 1ed40067 PMD 0 [ 44.173515][ T3497] Oops: 0010 [#1] PREEMPT SMP KASAN [ 44.178685][ T3497] CPU: 0 PID: 3497 Comm: syz-executor945 Not tainted 5.15.113-syzkaller #0 [ 44.187241][ T3497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 44.197272][ T3497] RIP: 0010:0x0 [ 44.200714][ T3497] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 44.208400][ T3497] RSP: 0018:ffffc9000269fcc8 EFLAGS: 00010282 [ 44.214446][ T3497] RAX: 1ffffffff1575a3f RBX: ffffea0001c1b880 RCX: ffffffff8abad1f8 [ 44.222391][ T3497] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0001c1b880 [ 44.230335][ T3497] RBP: dffffc0000000000 R08: ffffffff81aa6de9 R09: fffff94000383711 [ 44.238280][ T3497] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 44.246249][ T3497] R13: ffffea0001c1b880 R14: 0000000000000000 R15: ffffffffffffffff [ 44.254205][ T3497] FS: 0000555557462300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 44.263120][ T3497] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.269685][ T3497] CR2: ffffffffffffffd6 CR3: 000000001f753000 CR4: 00000000003506f0 [ 44.277638][ T3497] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.285587][ T3497] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.293535][ T3497] Call Trace: [ 44.296791][ T3497] [ 44.299696][ T3497] ntfs_sparse_cluster+0x76e/0xbb0 [ 44.304803][ T3497] ? ntfs_set_size+0x180/0x1f0 [ 44.309612][ T3497] ntfs_fallocate+0x7da/0xee0 [ 44.314267][ T3497] ? ntfs_file_release+0x200/0x200 [ 44.319355][ T3497] ? common_file_perm+0x17d/0x1d0 [ 44.324355][ T3497] vfs_fallocate+0x54a/0x6b0 [ 44.328924][ T3497] __x64_sys_fallocate+0xb9/0x100 [ 44.333921][ T3497] do_syscall_64+0x3d/0xb0 [ 44.338315][ T3497] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 44.344180][ T3497] RIP: 0033:0x7f902a27c819 [ 44.348573][ T3497] 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 [ 44.368155][ T3497] RSP: 002b:00007ffc4c749708 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 44.376547][ T3497] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f902a27c819 [ 44.384498][ T3497] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 44.392444][ T3497] RBP: 00007f902a23c0b0 R08: 0000000000000000 R09: 0000000000000000 [ 44.400392][ T3497] R10: 00000000001000f0 R11: 0000000000000246 R12: 00007f902a23c140 [ 44.408337][ T3497] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 44.416287][ T3497] [ 44.419282][ T3497] Modules linked in: [ 44.423149][ T3497] CR2: 0000000000000000 [ 44.427278][ T3497] ---[ end trace bd0f587fe564d553 ]--- [ 44.432794][ T3497] RIP: 0010:0x0 [ 44.436231][ T3497] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 44.443914][ T3497] RSP: 0018:ffffc9000269fcc8 EFLAGS: 00010282 [ 44.449962][ T3497] RAX: 1ffffffff1575a3f RBX: ffffea0001c1b880 RCX: ffffffff8abad1f8 [ 44.457920][ T3497] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0001c1b880 [ 44.465874][ T3497] RBP: dffffc0000000000 R08: ffffffff81aa6de9 R09: fffff94000383711 [ 44.473823][ T3497] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 44.481770][ T3497] R13: ffffea0001c1b880 R14: 0000000000000000 R15: ffffffffffffffff [ 44.489714][ T3497] FS: 0000555557462300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 44.498616][ T3497] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.505175][ T3497] CR2: ffffffffffffffd6 CR3: 000000001f753000 CR4: 00000000003506f0 [ 44.513125][ T3497] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.521071][ T3497] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.529018][ T3497] Kernel panic - not syncing: Fatal exception [ 44.535211][ T3497] Kernel Offset: disabled [ 44.539518][ T3497] Rebooting in 86400 seconds..