[ 18.940099][ T5530] 8021q: adding VLAN 0 to HW filter on device bond0 [ 18.945596][ T5530] eql: remember to turn off Van-Jacobson compression on your slave devices [ 19.007183][ T40] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 19.010954][ T5440] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.55' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 40.844812][ T5953] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5953 'syz-executor130' [ 40.862597][ T5953] loop0: detected capacity change from 0 to 2048 [ 40.880946][ T5953] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: none. [ 40.892605][ T5953] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1098: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 45.946420][ T9] ------------[ cut here ]------------ [ 45.947985][ T9] kernel BUG at fs/ext4/inode.c:2781! [ 45.949458][ T9] Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP [ 45.951531][ T9] Modules linked in: [ 45.952523][ T9] CPU: 0 PID: 9 Comm: kworker/u4:0 Not tainted 6.3.0-rc1-syzkaller-gfe15c26ee26e #0 [ 45.954967][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 45.957649][ T9] Workqueue: writeback wb_workfn (flush-7:0) [ 45.959262][ T9] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 45.961298][ T9] pc : ext4_do_writepages+0x36cc/0x36d0 [ 45.962810][ T9] lr : ext4_do_writepages+0x36cc/0x36d0 [ 45.964376][ T9] sp : ffff80001a3a6c40 [ 45.965467][ T9] x29: ffff80001a3a6fa0 x28: dfff800000000000 x27: ffff80001a3a7510 [ 45.967540][ T9] x26: dfff800000000000 x25: ffff0000caa2a000 x24: ffff0000caa2a000 [ 45.969690][ T9] x23: ffff700003474dc8 x22: ffff80001a3a6e40 x21: ffff0000dda7cb10 [ 45.971857][ T9] x20: 0000008410000000 x19: 0000000000000001 x18: ffff80001a3a7a94 executing program [ 45.974000][ T9] x17: ffff800015cdd000 x16: ffff800008313a3c x15: 0000000000000000 [ 45.976101][ T9] x14: 1ffff00002b9c0b2 x13: dfff800000000000 x12: 0000000000000005 [ 45.978208][ T9] x11: ff80800008e7e0a8 x10: 0000000000000000 x9 : ffff800008e7e0a8 [ 45.980327][ T9] x8 : ffff0000c0988000 x7 : 0000000000000000 x6 : 0000000000000080 [ 45.982399][ T9] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001 [ 45.984498][ T9] x2 : 0000000000000000 x1 : 0000008000000000 x0 : 0000000000000000 [ 45.986565][ T9] Call trace: [ 45.987377][ T9] ext4_do_writepages+0x36cc/0x36d0 [ 45.988776][ T9] ext4_writepages+0x170/0x204 [ 45.990044][ T9] do_writepages+0x2e8/0x570 [ 45.991258][ T9] __writeback_single_inode+0x228/0x1ec8 [ 45.992711][ T9] writeback_sb_inodes+0x82c/0x13dc [ 45.994094][ T9] __writeback_inodes_wb+0xec/0x234 [ 45.995450][ T9] wb_writeback+0x50c/0x1580 [ 45.996644][ T9] wb_workfn+0xe18/0x11b8 [ 45.997691][ T9] process_one_work+0x868/0x16f4 [ 45.998971][ T9] worker_thread+0x8e0/0xfe8 [ 46.000179][ T9] kthread+0x24c/0x2d4 [ 46.001208][ T9] ret_from_fork+0x10/0x20 [ 46.002397][ T9] Code: d4210000 97da4c05 d4210000 97da4c03 (d4210000) [ 46.004197][ T9] ---[ end trace 0000000000000000 ]--- executing program executing program [ 46.373071][ T9] Kernel panic - not syncing: Oops - BUG: Fatal exception [ 46.374784][ T9] SMP: stopping secondary CPUs [ 46.376001][ T9] Kernel Offset: disabled [ 46.377089][ T9] CPU features: 0x000000,20700402,32017203 [ 46.378511][ T9] Memory Limit: none [ 46.722969][ T9] Rebooting in 86400 seconds..