DUID 00:04:d5:34:fd:2d:90:3b:7d:1f:5f:ef:10:3f:c1:8d:8b:e5 forked to background, child pid 3215 [ 28.285802][ T3216] 8021q: adding VLAN 0 to HW filter on device bond0 [ 28.299263][ T3216] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.128' (ED25519) to the list of known hosts. executing program syzkaller login: [ 50.972274][ T3541] loop0: detected capacity change from 0 to 2048 [ 50.982245][ T3541] UDF-fs: error (device loop0): udf_process_sequence: Primary Volume Descriptor not found! [ 50.994539][ T3541] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 51.010765][ T3541] general protection fault, probably for non-canonical address 0xdffffc0000000004: 0000 [#1] PREEMPT SMP KASAN [ 51.022579][ T3541] KASAN: null-ptr-deref in range [0x0000000000000020-0x0000000000000027] [ 51.030999][ T3541] CPU: 1 PID: 3541 Comm: syz-executor292 Not tainted 6.1.65-syzkaller #0 [ 51.039404][ T3541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 51.049450][ T3541] RIP: 0010:crc_itu_t+0xfb/0x2a0 [ 51.054414][ T3541] Code: e9 75 01 00 00 48 be 00 00 00 00 00 fc ff df b8 02 00 00 00 48 29 e8 48 89 44 24 08 48 8b 14 24 49 89 d7 4c 89 f8 48 c1 e8 03 <0f> b6 04 30 84 c0 0f 85 b1 00 00 00 42 0f b6 44 22 ff 41 0f b7 ce [ 51.074018][ T3541] RSP: 0018:ffffc90003abf7b0 EFLAGS: 00010203 [ 51.080077][ T3541] RAX: 0000000000000004 RBX: 0000000000000082 RCX: ffff88802646bb80 [ 51.088124][ T3541] RDX: 0000000000000026 RSI: dffffc0000000000 RDI: 0000000000000001 [ 51.096171][ T3541] RBP: 0000000000000082 R08: ffffffff843cb5e6 R09: ffff88807166d1e9 [ 51.104310][ T3541] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001 [ 51.112273][ T3541] R13: ffffc90003abf960 R14: 000000000000738e R15: 0000000000000026 [ 51.120771][ T3541] FS: 0000555557422380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 51.129709][ T3541] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.136301][ T3541] CR2: 000055cf29f5cd50 CR3: 000000001a70e000 CR4: 00000000003506e0 [ 51.144290][ T3541] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.152255][ T3541] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.160245][ T3541] Call Trace: [ 51.163524][ T3541] [ 51.166454][ T3541] ? __die_body+0x5e/0xa0 [ 51.170783][ T3541] ? die_addr+0x95/0xc0 [ 51.174934][ T3541] ? exc_general_protection+0x3ae/0x590 [ 51.180493][ T3541] ? asm_exc_general_protection+0x22/0x30 [ 51.186216][ T3541] ? crc_itu_t+0xc6/0x2a0 [ 51.190546][ T3541] ? crc_itu_t+0xfb/0x2a0 [ 51.194879][ T3541] udf_write_fi+0x6aa/0xba0 [ 51.199388][ T3541] udf_rename+0x8b3/0x14d0 [ 51.203873][ T3541] ? udf_mknod+0x90/0x90 [ 51.208116][ T3541] ? read_lock_is_recursive+0x10/0x10 [ 51.213483][ T3541] ? rwsem_write_trylock+0x166/0x210 [ 51.218850][ T3541] ? clear_nonspinnable+0x60/0x60 [ 51.223874][ T3541] ? generic_permission+0x21c/0x4f0 [ 51.229067][ T3541] ? down_write_nested+0x45/0x60 [ 51.234000][ T3541] ? lock_two_inodes+0x138/0x180 [ 51.239018][ T3541] ? udf_mknod+0x90/0x90 [ 51.243264][ T3541] vfs_rename+0xbfc/0xf90 [ 51.247590][ T3541] ? __ia32_sys_link+0x90/0x90 [ 51.252349][ T3541] ? security_path_rename+0x17f/0x210 [ 51.257725][ T3541] do_renameat2+0xcbd/0x1300 [ 51.262314][ T3541] ? fsnotify_move+0x4f0/0x4f0 [ 51.267072][ T3541] ? __virt_addr_valid+0x22b/0x2e0 [ 51.272181][ T3541] ? __phys_addr_symbol+0x2b/0x70 [ 51.277201][ T3541] ? strncpy_from_user+0x1f9/0x360 [ 51.282304][ T3541] ? getname_flags+0x1f9/0x4f0 [ 51.287056][ T3541] ? lockdep_hardirqs_on+0x94/0x130 [ 51.292252][ T3541] __x64_sys_rename+0x82/0x90 [ 51.296923][ T3541] do_syscall_64+0x3d/0xb0 [ 51.301361][ T3541] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 51.307259][ T3541] RIP: 0033:0x7f91b17008f9 [ 51.311667][ T3541] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 51.331262][ T3541] RSP: 002b:00007fff63fcec58 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 [ 51.339668][ T3541] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f91b17008f9 [ 51.347649][ T3541] RDX: 00007f91b17008f9 RSI: 0000000020000240 RDI: 0000000020000200 [ 51.355609][ T3541] RBP: 00007f91b1774610 R08: 0000000000000000 R09: 0000000000000000 [ 51.363656][ T3541] R10: 0000000000000c17 R11: 0000000000000246 R12: 0000000000000001 [ 51.371619][ T3541] R13: 00007fff63fcee28 R14: 0000000000000001 R15: 0000000000000001 [ 51.379585][ T3541] [ 51.382591][ T3541] Modules linked in: [ 51.386685][ T3541] ---[ end trace 0000000000000000 ]--- [ 51.392185][ T3541] RIP: 0010:crc_itu_t+0xfb/0x2a0 [ 51.397196][ T3541] Code: e9 75 01 00 00 48 be 00 00 00 00 00 fc ff df b8 02 00 00 00 48 29 e8 48 89 44 24 08 48 8b 14 24 49 89 d7 4c 89 f8 48 c1 e8 03 <0f> b6 04 30 84 c0 0f 85 b1 00 00 00 42 0f b6 44 22 ff 41 0f b7 ce [ 51.416935][ T3541] RSP: 0018:ffffc90003abf7b0 EFLAGS: 00010203 [ 51.423003][ T3541] RAX: 0000000000000004 RBX: 0000000000000082 RCX: ffff88802646bb80 [ 51.431370][ T3541] RDX: 0000000000000026 RSI: dffffc0000000000 RDI: 0000000000000001 [ 51.439394][ T3541] RBP: 0000000000000082 R08: ffffffff843cb5e6 R09: ffff88807166d1e9 [ 51.447383][ T3541] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001 [ 51.455338][ T3541] R13: ffffc90003abf960 R14: 000000000000738e R15: 0000000000000026 [ 51.463416][ T3541] FS: 0000555557422380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 51.472385][ T3541] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.478995][ T3541] CR2: 00007efc79f95ed8 CR3: 000000001a70e000 CR4: 00000000003506f0 [ 51.487022][ T3541] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.495110][ T3541] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.503169][ T3541] Kernel panic - not syncing: Fatal exception [ 51.509542][ T3541] Kernel Offset: disabled [ 51.513862][ T3541] Rebooting in 86400 seconds..