forked to background, child pid 3172 no interfaces have a carrier [ 23.302791][ T3173] 8021q: adding VLAN 0 to HW filter on device bond0 [ 23.312307][ T3173] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.10.38' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 39.330524][ T3587] loop0: detected capacity change from 0 to 1051 [ 39.341866][ T3587] EXT4-fs (loop0): ext4_check_descriptors: Checksum for group 0 failed (60935!=0) [ 39.353795][ T3587] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback. [ 39.364071][ T3587] ------------[ cut here ]------------ [ 39.369804][ T3587] kernel BUG at fs/ext4/extents_status.c:899! [ 39.375886][ T3587] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 39.382004][ T3587] CPU: 1 PID: 3587 Comm: syz-executor288 Not tainted 5.17.0-rc2-syzkaller-00039-g9f7fb8de5d9b #0 [ 39.392483][ T3587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.402523][ T3587] RIP: 0010:ext4_es_cache_extent+0x4e8/0x550 [ 39.408526][ T3587] Code: 00 48 c7 c7 e0 6c c1 89 c6 05 71 25 6f 0b 01 e8 b0 b6 f6 06 e9 5a ff ff ff e8 94 9d 68 ff 0f 0b e9 d7 fc ff ff e8 88 9d 68 ff <0f> 0b e8 81 9d 68 ff 0f 0b e9 13 fe ff ff e8 25 df af ff e9 c2 fb [ 39.428579][ T3587] RSP: 0018:ffffc90001abee80 EFLAGS: 00010293 [ 39.434657][ T3587] RAX: 0000000000000000 RBX: 00000000000013de RCX: 0000000000000000 [ 39.442965][ T3587] RDX: ffff88807deb0000 RSI: ffffffff820fd0f8 RDI: 0000000000000003 [ 39.451134][ T3587] RBP: ffff888074e6f048 R08: 00000000ffffffff R09: 0000000000000000 [ 39.459092][ T3587] R10: ffffffff820fce3c R11: 0000000000000000 R12: 0000000000000001 [ 39.467045][ T3587] R13: 00000000ffffffff R14: 1ffff92000357dd1 R15: 00008f1cffffffff [ 39.475557][ T3587] FS: 0000555556ad6300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 39.484931][ T3587] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.491611][ T3587] CR2: 00007f117149e4b0 CR3: 000000007cc1f000 CR4: 0000000000350ee0 [ 39.499764][ T3587] Call Trace: [ 39.503043][ T3587] [ 39.506041][ T3587] ? ext4_es_insert_extent+0xc80/0xc80 [ 39.511489][ T3587] ext4_cache_extents+0x13e/0x2d0 [ 39.516517][ T3587] ext4_find_extent+0x8f6/0xd10 [ 39.521353][ T3587] ext4_ext_map_blocks+0x1e2/0x5f30 [ 39.526552][ T3587] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 39.532518][ T3587] ? is_bpf_text_address+0x77/0x170 [ 39.537709][ T3587] ? ext4_ext_release+0x10/0x10 [ 39.542544][ T3587] ? lock_release+0x720/0x720 [ 39.547208][ T3587] ? down_read+0x198/0x440 [ 39.551622][ T3587] ? rwsem_down_read_slowpath+0xa70/0xa70 [ 39.557318][ T3587] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 39.563549][ T3587] ? ext4_es_lookup_extent+0xc4/0xcf0 [ 39.568930][ T3587] ext4_map_blocks+0x9ca/0x18a0 [ 39.573794][ T3587] ? __kasan_slab_alloc+0x90/0xc0 [ 39.578883][ T3587] ? kmem_cache_alloc+0x202/0x3a0 [ 39.583907][ T3587] ? ext4_issue_zeroout+0x1f0/0x1f0 [ 39.589085][ T3587] ? walk_component+0x40f/0x6a0 [ 39.593917][ T3587] ? link_path_walk.part.0+0x7ef/0xf70 [ 39.599351][ T3587] ? path_openat+0x266/0x2940 [ 39.604012][ T3587] ? __lock_acquire+0x1655/0x5470 [ 39.609020][ T3587] ext4_getblk+0x553/0x6b0 [ 39.613420][ T3587] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 39.619120][ T3587] ? mark_lock+0xef/0x17b0 [ 39.623522][ T3587] ext4_bread_batch+0x7c/0x550 [ 39.628383][ T3587] __ext4_find_entry+0x482/0x1050 [ 39.633482][ T3587] ? ext4_dx_find_entry+0x580/0x580 [ 39.638656][ T3587] ? ext4_fname_prepare_lookup+0x259/0x330 [ 39.644443][ T3587] ? ext4_fname_setup_filename+0x240/0x240 [ 39.650233][ T3587] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 39.656640][ T3587] ? d_alloc_parallel+0x9af/0x1af0 [ 39.661734][ T3587] ? __lock_acquire+0x1655/0x5470 [ 39.666835][ T3587] ext4_lookup+0x4fc/0x730 [ 39.671233][ T3587] ? ext4_resetent+0x2d0/0x2d0 [ 39.675978][ T3587] ? lockdep_init_map_type+0x2c3/0x7b0 [ 39.681438][ T3587] __lookup_slow+0x24c/0x480 [ 39.686014][ T3587] ? page_put_link+0x220/0x220 [ 39.690755][ T3587] ? mptcp_disconnect+0x2b0/0x4c0 [ 39.695765][ T3587] ? mptcp_disconnect+0x2b0/0x4c0 [ 39.700775][ T3587] walk_component+0x40f/0x6a0 [ 39.705442][ T3587] ? handle_dots.part.0+0x15e0/0x15e0 [ 39.710792][ T3587] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 39.717042][ T3587] ? generic_permission+0x1d8/0x770 [ 39.722514][ T3587] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 39.728747][ T3587] ? security_inode_permission+0xc5/0xf0 [ 39.734374][ T3587] ? inode_permission.part.0+0xb5/0x670 [ 39.739927][ T3587] link_path_walk.part.0+0x7ef/0xf70 [ 39.745483][ T3587] ? walk_component+0x6a0/0x6a0 [ 39.750318][ T3587] ? percpu_counter_add_batch+0xbd/0x180 [ 39.755943][ T3587] path_openat+0x266/0x2940 [ 39.760435][ T3587] ? path_lookupat+0x860/0x860 [ 39.765351][ T3587] ? lock_downgrade+0x6e0/0x6e0 [ 39.770216][ T3587] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 39.776308][ T3587] do_filp_open+0x1aa/0x400 [ 39.780812][ T3587] ? may_open_dev+0xf0/0xf0 [ 39.785298][ T3587] ? alloc_fd+0x2f0/0x670 [ 39.789611][ T3587] ? rwlock_bug.part.0+0x90/0x90 [ 39.794639][ T3587] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 39.800887][ T3587] ? _find_next_bit+0x1e3/0x260 [ 39.805736][ T3587] ? _raw_spin_unlock+0x24/0x40 [ 39.810574][ T3587] ? alloc_fd+0x2f0/0x670 [ 39.814923][ T3587] do_sys_openat2+0x16d/0x4d0 [ 39.819587][ T3587] ? build_open_flags+0x6f0/0x6f0 [ 39.824616][ T3587] ? __context_tracking_exit+0xb8/0xe0 [ 39.830060][ T3587] ? lock_downgrade+0x6e0/0x6e0 [ 39.834894][ T3587] __x64_sys_openat+0x13f/0x1f0 [ 39.839728][ T3587] ? __ia32_sys_open+0x1c0/0x1c0 [ 39.844647][ T3587] ? syscall_enter_from_user_mode+0x21/0x70 [ 39.850611][ T3587] do_syscall_64+0x35/0xb0 [ 39.855011][ T3587] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 39.860886][ T3587] RIP: 0033:0x7f8e44f22f19 [ 39.865815][ T3587] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 [ 39.885450][ T3587] RSP: 002b:00007fff98aa3238 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 39.893858][ T3587] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8e44f22f19 [ 39.901829][ T3587] RDX: 000000000000c880 RSI: 0000000020000100 RDI: 0000000000000005 [ 39.909795][ T3587] RBP: 00007f8e44ee27b0 R08: 0000000800000015 R09: 0000000000000000 [ 39.917753][ T3587] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8e44ee2840 [ 39.925739][ T3587] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 39.933793][ T3587] [ 39.936797][ T3587] Modules linked in: [ 39.940984][ T3587] ---[ end trace 0000000000000000 ]--- [ 39.946459][ T3587] RIP: 0010:ext4_es_cache_extent+0x4e8/0x550 [ 39.952451][ T3587] Code: 00 48 c7 c7 e0 6c c1 89 c6 05 71 25 6f 0b 01 e8 b0 b6 f6 06 e9 5a ff ff ff e8 94 9d 68 ff 0f 0b e9 d7 fc ff ff e8 88 9d 68 ff <0f> 0b e8 81 9d 68 ff 0f 0b e9 13 fe ff ff e8 25 df af ff e9 c2 fb [ 39.972501][ T3587] RSP: 0018:ffffc90001abee80 EFLAGS: 00010293 [ 39.978600][ T3587] RAX: 0000000000000000 RBX: 00000000000013de RCX: 0000000000000000 [ 39.986575][ T3587] RDX: ffff88807deb0000 RSI: ffffffff820fd0f8 RDI: 0000000000000003 [ 39.994791][ T3587] RBP: ffff888074e6f048 R08: 00000000ffffffff R09: 0000000000000000 [ 40.002781][ T3587] R10: ffffffff820fce3c R11: 0000000000000000 R12: 0000000000000001 [ 40.010788][ T3587] R13: 00000000ffffffff R14: 1ffff92000357dd1 R15: 00008f1cffffffff [ 40.018971][ T3587] FS: 0000555556ad6300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 40.028185][ T3587] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.034837][ T3587] CR2: 00007f117149e4b0 CR3: 000000007cc1f000 CR4: 0000000000350ee0 [ 40.042820][ T3587] Kernel panic - not syncing: Fatal exception [ 40.049284][ T3587] Kernel Offset: disabled [ 40.053592][ T3587] Rebooting in 86400 seconds..