no interfaces have a carrier forked to background, child pid 3171 [ 21.438980][ T3172] 8021q: adding VLAN 0 to HW filter on device bond0 [ 21.448787][ T3172] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.118' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 35.337082][ T3587] loop0: detected capacity change from 0 to 1707 [ 35.347926][ T3587] ------------[ cut here ]------------ [ 35.353570][ T3587] Trying to write to read-only block-device loop0 (partno 0) [ 35.361900][ T3587] WARNING: CPU: 1 PID: 3587 at block/blk-core.c:584 submit_bio_checks+0x1700/0x1bf0 [ 35.371391][ T3587] Modules linked in: [ 35.375277][ T3587] CPU: 1 PID: 3587 Comm: syz-executor301 Not tainted 5.17.0-rc4-syzkaller-00229-g4f12b742eb2b #0 [ 35.385820][ T3587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.395951][ T3587] RIP: 0010:submit_bio_checks+0x1700/0x1bf0 [ 35.401890][ T3587] Code: 00 00 45 0f b6 a4 24 50 05 00 00 48 8d 74 24 60 48 89 ef e8 e2 46 fe ff 48 c7 c7 00 32 04 8a 48 89 c6 44 89 e2 e8 d0 1e 40 05 <0f> 0b e9 a0 f3 ff ff e8 a4 2f af fd e8 7f 29 84 05 31 ff 89 c3 89 [ 35.421576][ T3587] RSP: 0018:ffffc90001a8eec0 EFLAGS: 00010286 [ 35.427695][ T3587] RAX: 0000000000000000 RBX: ffff888146c2ada0 RCX: 0000000000000000 [ 35.435673][ T3587] RDX: ffff88801d493a00 RSI: ffffffff81600d78 RDI: fffff52000351dca [ 35.443755][ T3587] RBP: ffff88801921c280 R08: 0000000000000000 R09: 0000000000000000 [ 35.451940][ T3587] R10: ffffffff815fb40e R11: 0000000000000000 R12: 0000000000000000 [ 35.459981][ T3587] R13: ffff88801921c290 R14: ffff888011083980 R15: ffff888146c2b034 [ 35.467981][ T3587] FS: 000055555691f300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 35.476899][ T3587] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.483525][ T3587] CR2: 00007fd4bd5fa990 CR3: 000000007296c000 CR4: 0000000000350ee0 [ 35.491531][ T3587] Call Trace: [ 35.494798][ T3587] [ 35.497777][ T3587] ? should_fail_request+0x80/0x80 [ 35.502896][ T3587] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 35.508955][ T3587] __submit_bio+0xaf/0x360 [ 35.513378][ T3587] ? submit_bio_checks+0x1bf0/0x1bf0 [ 35.518792][ T3587] submit_bio_noacct+0x6c9/0x8a0 [ 35.523742][ T3587] ? __submit_bio+0x360/0x360 [ 35.528474][ T3587] submit_bio+0x1ea/0x430 [ 35.532800][ T3587] ? submit_bio_noacct+0x8a0/0x8a0 [ 35.537957][ T3587] ? mem_cgroup_css_from_page+0xa2/0x1f0 [ 35.543593][ T3587] submit_bh_wbc+0x5e8/0x7e0 [ 35.548428][ T3587] __block_write_full_page+0x8bb/0x13a0 [ 35.553983][ T3587] ? __blkdev_direct_IO_simple+0x860/0x860 [ 35.559874][ T3587] block_write_full_page+0x14d/0x190 [ 35.565199][ T3587] ? __blkdev_direct_IO_simple+0x860/0x860 [ 35.571109][ T3587] __writepage+0x60/0x180 [ 35.575451][ T3587] write_cache_pages+0x6f4/0x10c0 [ 35.580552][ T3587] ? folio_mark_dirty+0x1c0/0x1c0 [ 35.585581][ T3587] ? percpu_ref_put_many.constprop.0+0x260/0x260 [ 35.591961][ T3587] ? lockdep_unregister_key+0x161/0x460 [ 35.597575][ T3587] ? find_held_lock+0x2d/0x110 [ 35.602333][ T3587] ? blkdev_readahead+0x20/0x20 [ 35.607162][ T3587] generic_writepages+0xe2/0x150 [ 35.612150][ T3587] ? write_cache_pages+0x10c0/0x10c0 [ 35.617488][ T3587] ? lock_downgrade+0x6e0/0x6e0 [ 35.622346][ T3587] do_writepages+0x1ab/0x690 [ 35.626924][ T3587] ? writeback_set_ratelimit+0x150/0x150 [ 35.632625][ T3587] ? wbc_attach_and_unlock_inode+0x463/0x8d0 [ 35.638702][ T3587] ? lock_downgrade+0x6e0/0x6e0 [ 35.643575][ T3587] ? lock_release+0x720/0x720 [ 35.648314][ T3587] ? do_raw_spin_unlock+0x171/0x230 [ 35.653526][ T3587] ? _raw_spin_unlock+0x24/0x40 [ 35.658431][ T3587] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 35.664678][ T3587] ? wbc_attach_and_unlock_inode+0x4b9/0x8d0 [ 35.670683][ T3587] filemap_fdatawrite_wbc+0x143/0x1b0 [ 35.676064][ T3587] filemap_write_and_wait_range+0xe1/0x1a0 [ 35.681923][ T3587] ? xas_reload+0x440/0x440 [ 35.686455][ T3587] sync_blockdev+0x67/0x90 [ 35.690919][ T3587] loop_set_status+0x3eb/0x930 [ 35.695691][ T3587] loop_set_status_old+0x148/0x1b0 [ 35.700866][ T3587] ? loop_set_status_compat+0x100/0x100 [ 35.706427][ T3587] ? kasan_set_track+0x21/0x30 [ 35.711223][ T3587] ? kasan_set_free_info+0x20/0x30 [ 35.716357][ T3587] ? ____kasan_slab_free+0x126/0x160 [ 35.721681][ T3587] ? slab_free_freelist_hook+0x8b/0x1c0 [ 35.727231][ T3587] ? kfree+0xd0/0x390 [ 35.731234][ T3587] ? tomoyo_path_number_perm+0x441/0x590 [ 35.736873][ T3587] ? security_file_ioctl+0x50/0xb0 [ 35.742029][ T3587] ? __x64_sys_ioctl+0xb3/0x200 [ 35.747064][ T3587] ? do_syscall_64+0x35/0xb0 [ 35.751723][ T3587] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 35.757573][ T3587] ? __sanitizer_cov_trace_switch+0x63/0xf0 [ 35.763453][ T3587] lo_ioctl+0x3e6/0x17b0 [ 35.767730][ T3587] ? find_held_lock+0x2d/0x110 [ 35.772514][ T3587] ? loop_set_status_old+0x1b0/0x1b0 [ 35.777887][ T3587] ? tomoyo_path_number_perm+0x204/0x590 [ 35.783534][ T3587] ? lock_downgrade+0x6e0/0x6e0 [ 35.788420][ T3587] ? slab_free_freelist_hook+0x8b/0x1c0 [ 35.793971][ T3587] ? kfree+0xd0/0x390 [ 35.797995][ T3587] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 35.804245][ T3587] ? tomoyo_path_number_perm+0x24e/0x590 [ 35.809914][ T3587] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 35.815720][ T3587] ? __sanitizer_cov_trace_switch+0x63/0xf0 [ 35.821676][ T3587] ? __sanitizer_cov_trace_const_cmp2+0x22/0x80 [ 35.827974][ T3587] ? do_vfs_ioctl+0x132/0x15d0 [ 35.832741][ T3587] ? __sanitizer_cov_trace_switch+0x63/0xf0 [ 35.838695][ T3587] ? blkdev_common_ioctl+0x124/0x1790 [ 35.844188][ T3587] ? blk_ioctl_discard+0x330/0x330 [ 35.849352][ T3587] ? __context_tracking_exit+0xb8/0xe0 [ 35.854817][ T3587] ? loop_set_status_old+0x1b0/0x1b0 [ 35.860174][ T3587] blkdev_ioctl+0x37a/0x800 [ 35.864701][ T3587] ? blkdev_common_ioctl+0x1790/0x1790 [ 35.870213][ T3587] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 35.876462][ T3587] ? blkdev_common_ioctl+0x1790/0x1790 [ 35.881982][ T3587] __x64_sys_ioctl+0x193/0x200 [ 35.886751][ T3587] do_syscall_64+0x35/0xb0 [ 35.891199][ T3587] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 35.897112][ T3587] RIP: 0033:0x7f8e10e29769 [ 35.901621][ T3587] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 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 [ 35.921299][ T3587] RSP: 002b:00007ffc0b818c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 35.929766][ T3587] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8e10e29769 [ 35.937774][ T3587] RDX: 0000000020000280 RSI: 0000000000004c02 RDI: 0000000000000003 [ 35.945732][ T3587] RBP: 00007f8e10de9310 R08: 0000000000000000 R09: 0000000000000000 [ 35.953762][ T3587] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f8e10de93a0 [ 35.961793][ T3587] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 35.969856][ T3587] [ 35.972889][ T3587] Kernel panic - not syncing: panic_on_warn set ... [ 35.979472][ T3587] CPU: 1 PID: 3587 Comm: syz-executor301 Not tainted 5.17.0-rc4-syzkaller-00229-g4f12b742eb2b #0 [ 35.989955][ T3587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.999993][ T3587] Call Trace: [ 36.003258][ T3587] [ 36.006165][ T3587] dump_stack_lvl+0xcd/0x134 [ 36.010770][ T3587] panic+0x2b0/0x6dd [ 36.014655][ T3587] ? __warn_printk+0xf3/0xf3 [ 36.019231][ T3587] ? __warn.cold+0x1d1/0x2cf [ 36.023804][ T3587] ? submit_bio_checks+0x1700/0x1bf0 [ 36.029091][ T3587] __warn.cold+0x1ec/0x2cf [ 36.033493][ T3587] ? wake_up_klogd.part.0+0x8e/0xd0 [ 36.038671][ T3587] ? submit_bio_checks+0x1700/0x1bf0 [ 36.043937][ T3587] report_bug+0x1bd/0x210 [ 36.048249][ T3587] handle_bug+0x3c/0x60 [ 36.052382][ T3587] exc_invalid_op+0x14/0x40 [ 36.056862][ T3587] asm_exc_invalid_op+0x12/0x20 [ 36.061692][ T3587] RIP: 0010:submit_bio_checks+0x1700/0x1bf0 [ 36.067569][ T3587] Code: 00 00 45 0f b6 a4 24 50 05 00 00 48 8d 74 24 60 48 89 ef e8 e2 46 fe ff 48 c7 c7 00 32 04 8a 48 89 c6 44 89 e2 e8 d0 1e 40 05 <0f> 0b e9 a0 f3 ff ff e8 a4 2f af fd e8 7f 29 84 05 31 ff 89 c3 89 [ 36.087162][ T3587] RSP: 0018:ffffc90001a8eec0 EFLAGS: 00010286 [ 36.093243][ T3587] RAX: 0000000000000000 RBX: ffff888146c2ada0 RCX: 0000000000000000 [ 36.101202][ T3587] RDX: ffff88801d493a00 RSI: ffffffff81600d78 RDI: fffff52000351dca [ 36.109158][ T3587] RBP: ffff88801921c280 R08: 0000000000000000 R09: 0000000000000000 [ 36.117129][ T3587] R10: ffffffff815fb40e R11: 0000000000000000 R12: 0000000000000000 [ 36.125085][ T3587] R13: ffff88801921c290 R14: ffff888011083980 R15: ffff888146c2b034 [ 36.133139][ T3587] ? wake_up_klogd.part.0+0x8e/0xd0 [ 36.138349][ T3587] ? vprintk+0x88/0x90 [ 36.142409][ T3587] ? should_fail_request+0x80/0x80 [ 36.147521][ T3587] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 36.153487][ T3587] __submit_bio+0xaf/0x360 [ 36.157906][ T3587] ? submit_bio_checks+0x1bf0/0x1bf0 [ 36.163174][ T3587] submit_bio_noacct+0x6c9/0x8a0 [ 36.168099][ T3587] ? __submit_bio+0x360/0x360 [ 36.172760][ T3587] submit_bio+0x1ea/0x430 [ 36.177065][ T3587] ? submit_bio_noacct+0x8a0/0x8a0 [ 36.182179][ T3587] ? mem_cgroup_css_from_page+0xa2/0x1f0 [ 36.187801][ T3587] submit_bh_wbc+0x5e8/0x7e0 [ 36.192375][ T3587] __block_write_full_page+0x8bb/0x13a0 [ 36.197901][ T3587] ? __blkdev_direct_IO_simple+0x860/0x860 [ 36.203692][ T3587] block_write_full_page+0x14d/0x190 [ 36.208961][ T3587] ? __blkdev_direct_IO_simple+0x860/0x860 [ 36.214748][ T3587] __writepage+0x60/0x180 [ 36.219058][ T3587] write_cache_pages+0x6f4/0x10c0 [ 36.224064][ T3587] ? folio_mark_dirty+0x1c0/0x1c0 [ 36.229070][ T3587] ? percpu_ref_put_many.constprop.0+0x260/0x260 [ 36.235379][ T3587] ? lockdep_unregister_key+0x161/0x460 [ 36.240917][ T3587] ? find_held_lock+0x2d/0x110 [ 36.245666][ T3587] ? blkdev_readahead+0x20/0x20 [ 36.250493][ T3587] generic_writepages+0xe2/0x150 [ 36.255412][ T3587] ? write_cache_pages+0x10c0/0x10c0 [ 36.260673][ T3587] ? lock_downgrade+0x6e0/0x6e0 [ 36.265509][ T3587] do_writepages+0x1ab/0x690 [ 36.270081][ T3587] ? writeback_set_ratelimit+0x150/0x150 [ 36.275700][ T3587] ? wbc_attach_and_unlock_inode+0x463/0x8d0 [ 36.281659][ T3587] ? lock_downgrade+0x6e0/0x6e0 [ 36.286487][ T3587] ? lock_release+0x720/0x720 [ 36.291148][ T3587] ? do_raw_spin_unlock+0x171/0x230 [ 36.296329][ T3587] ? _raw_spin_unlock+0x24/0x40 [ 36.301158][ T3587] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 36.307378][ T3587] ? wbc_attach_and_unlock_inode+0x4b9/0x8d0 [ 36.313349][ T3587] filemap_fdatawrite_wbc+0x143/0x1b0 [ 36.318708][ T3587] filemap_write_and_wait_range+0xe1/0x1a0 [ 36.324493][ T3587] ? xas_reload+0x440/0x440 [ 36.328980][ T3587] sync_blockdev+0x67/0x90 [ 36.333375][ T3587] loop_set_status+0x3eb/0x930 [ 36.338119][ T3587] loop_set_status_old+0x148/0x1b0 [ 36.343210][ T3587] ? loop_set_status_compat+0x100/0x100 [ 36.348739][ T3587] ? kasan_set_track+0x21/0x30 [ 36.353481][ T3587] ? kasan_set_free_info+0x20/0x30 [ 36.358571][ T3587] ? ____kasan_slab_free+0x126/0x160 [ 36.363838][ T3587] ? slab_free_freelist_hook+0x8b/0x1c0 [ 36.369359][ T3587] ? kfree+0xd0/0x390 [ 36.373323][ T3587] ? tomoyo_path_number_perm+0x441/0x590 [ 36.378934][ T3587] ? security_file_ioctl+0x50/0xb0 [ 36.384023][ T3587] ? __x64_sys_ioctl+0xb3/0x200 [ 36.388852][ T3587] ? do_syscall_64+0x35/0xb0 [ 36.393437][ T3587] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 36.399225][ T3587] ? __sanitizer_cov_trace_switch+0x63/0xf0 [ 36.405105][ T3587] lo_ioctl+0x3e6/0x17b0 [ 36.409345][ T3587] ? find_held_lock+0x2d/0x110 [ 36.414103][ T3587] ? loop_set_status_old+0x1b0/0x1b0 [ 36.419368][ T3587] ? tomoyo_path_number_perm+0x204/0x590 [ 36.424978][ T3587] ? lock_downgrade+0x6e0/0x6e0 [ 36.429807][ T3587] ? slab_free_freelist_hook+0x8b/0x1c0 [ 36.435359][ T3587] ? kfree+0xd0/0x390 [ 36.439328][ T3587] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 36.445553][ T3587] ? tomoyo_path_number_perm+0x24e/0x590 [ 36.451164][ T3587] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 36.456948][ T3587] ? __sanitizer_cov_trace_switch+0x63/0xf0 [ 36.462827][ T3587] ? __sanitizer_cov_trace_const_cmp2+0x22/0x80 [ 36.469056][ T3587] ? do_vfs_ioctl+0x132/0x15d0 [ 36.473828][ T3587] ? __sanitizer_cov_trace_switch+0x63/0xf0 [ 36.479722][ T3587] ? blkdev_common_ioctl+0x124/0x1790 [ 36.485086][ T3587] ? blk_ioctl_discard+0x330/0x330 [ 36.490193][ T3587] ? __context_tracking_exit+0xb8/0xe0 [ 36.495643][ T3587] ? loop_set_status_old+0x1b0/0x1b0 [ 36.500910][ T3587] blkdev_ioctl+0x37a/0x800 [ 36.505479][ T3587] ? blkdev_common_ioctl+0x1790/0x1790 [ 36.510920][ T3587] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 36.517166][ T3587] ? blkdev_common_ioctl+0x1790/0x1790 [ 36.522610][ T3587] __x64_sys_ioctl+0x193/0x200 [ 36.527362][ T3587] do_syscall_64+0x35/0xb0 [ 36.531763][ T3587] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 36.537636][ T3587] RIP: 0033:0x7f8e10e29769 [ 36.542051][ T3587] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 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 [ 36.561645][ T3587] RSP: 002b:00007ffc0b818c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 36.570049][ T3587] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8e10e29769 [ 36.578028][ T3587] RDX: 0000000020000280 RSI: 0000000000004c02 RDI: 0000000000000003 [ 36.585976][ T3587] RBP: 00007f8e10de9310 R08: 0000000000000000 R09: 0000000000000000 [ 36.593946][ T3587] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f8e10de93a0 [ 36.601900][ T3587] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 36.609859][ T3587] [ 36.613696][ T3587] Kernel Offset: disabled [ 36.618061][ T3587] Rebooting in 86400 seconds..