DUID 00:04:fd:d1:b1:d5:68:a0:3a:5f:50:0a:64:49:ea:42:3f:75 forked to background, child pid 3172 [ 28.393328][ T3173] 8021q: adding VLAN 0 to HW filter on device bond0 [ 28.404428][ T3173] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.126' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 54.353654][ T3498] loop0: detected capacity change from 0 to 4096 [ 54.363959][ T3498] ntfs3: loop0: Different NTFS' sector size (2048) and media sector size (512) [ 54.379202][ T3498] ntfs3: loop0: Mark volume as dirty due to NTFS errors [ 54.401814][ T25] audit: type=1804 audit(1685429805.802:2): pid=3498 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=open_writers comm="syz-executor414" name="/root/file0/bus" dev="loop0" ino=24 res=1 errno=0 [ 54.428185][ T3498] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 54.435154][ T25] audit: type=1804 audit(1685429805.832:3): pid=3498 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=ToMToU comm="syz-executor414" name="/root/file0/bus" dev="loop0" ino=24 res=1 errno=0 [ 54.436011][ T3498] #PF: supervisor instruction fetch in kernel mode [ 54.463319][ T3498] #PF: error_code(0x0010) - not-present page [ 54.469284][ T3498] PGD 7a7df067 P4D 7a7df067 PUD 1d2ba067 PMD 0 [ 54.475561][ T3498] Oops: 0010 [#1] PREEMPT SMP KASAN [ 54.480747][ T3498] CPU: 1 PID: 3498 Comm: syz-executor414 Not tainted 5.15.113-syzkaller #0 [ 54.489319][ T3498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 54.499362][ T3498] RIP: 0010:0x0 [ 54.502818][ T3498] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 54.510608][ T3498] RSP: 0018:ffffc90002dafcc8 EFLAGS: 00010282 [ 54.516667][ T3498] RAX: 1ffffffff1575a3f RBX: ffffea0001fed2c0 RCX: ffffffff8abad1f8 [ 54.524628][ T3498] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0001fed2c0 [ 54.532596][ T3498] RBP: dffffc0000000000 R08: ffffffff81aa6de9 R09: fffff940003fda59 [ 54.540732][ T3498] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 54.548694][ T3498] R13: ffffea0001fed2c0 R14: 0000000000000000 R15: ffffffffffffffff [ 54.556659][ T3498] FS: 0000555556357300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 54.565670][ T3498] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.572238][ T3498] CR2: ffffffffffffffd6 CR3: 0000000021f8f000 CR4: 00000000003506e0 [ 54.580309][ T3498] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.588267][ T3498] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.596223][ T3498] Call Trace: [ 54.599490][ T3498] [ 54.602407][ T3498] ntfs_sparse_cluster+0x76e/0xbb0 [ 54.607525][ T3498] ? ntfs_set_size+0x180/0x1f0 [ 54.612277][ T3498] ntfs_fallocate+0x7da/0xee0 [ 54.616952][ T3498] ? ntfs_file_release+0x200/0x200 [ 54.622053][ T3498] ? common_file_perm+0x17d/0x1d0 [ 54.627069][ T3498] vfs_fallocate+0x54a/0x6b0 [ 54.631652][ T3498] __x64_sys_fallocate+0xb9/0x100 [ 54.636669][ T3498] do_syscall_64+0x3d/0xb0 [ 54.641073][ T3498] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 54.646953][ T3498] RIP: 0033:0x7feecddb38c9 [ 54.651358][ T3498] 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 [ 54.670948][ T3498] RSP: 002b:00007ffc3677a6a8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 54.679435][ T3498] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007feecddb38c9 [ 54.687392][ T3498] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007 [ 54.695350][ T3498] RBP: 00007feecdd73160 R08: 0000000000000000 R09: 0000000000000000 [ 54.703307][ T3498] R10: 0000000000008000 R11: 0000000000000246 R12: 00007feecdd731f0 [ 54.711264][ T3498] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 54.719225][ T3498] [ 54.722228][ T3498] Modules linked in: [ 54.726104][ T3498] CR2: 0000000000000000 [ 54.730243][ T3498] ---[ end trace 73737dd78014a38b ]--- [ 54.735679][ T3498] RIP: 0010:0x0 [ 54.739131][ T3498] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 54.746823][ T3498] RSP: 0018:ffffc90002dafcc8 EFLAGS: 00010282 [ 54.752873][ T3498] RAX: 1ffffffff1575a3f RBX: ffffea0001fed2c0 RCX: ffffffff8abad1f8 [ 54.760832][ T3498] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0001fed2c0 [ 54.768790][ T3498] RBP: dffffc0000000000 R08: ffffffff81aa6de9 R09: fffff940003fda59 [ 54.776747][ T3498] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 54.784704][ T3498] R13: ffffea0001fed2c0 R14: 0000000000000000 R15: ffffffffffffffff [ 54.792668][ T3498] FS: 0000555556357300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 54.801669][ T3498] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.808239][ T3498] CR2: ffffffffffffffd6 CR3: 0000000021f8f000 CR4: 00000000003506e0 [ 54.816200][ T3498] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.824156][ T3498] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.832115][ T3498] Kernel panic - not syncing: Fatal exception [ 54.838492][ T3498] Kernel Offset: disabled [ 54.842810][ T3498] Rebooting in 86400 seconds..