forked to background, child pid 3170 no interfa[ 17.750973][ T3171] 8021q: adding VLAN 0 to HW filter on device bond0 ces have a carrier [ 17.761552][ T3171] 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 executing program syzkaller login: [ 35.291795][ T11] ------------[ cut here ]------------ [ 35.297267][ T11] WARNING: CPU: 1 PID: 11 at fs/fuse/file.c:1842 fuse_writepages_fill+0x15ae/0x1a20 [ 35.306817][ T11] Modules linked in: [ 35.310810][ T11] CPU: 0 PID: 11 Comm: kworker/u4:1 Tainted: G W 5.17.0-syzkaller-10753-gbddac7c1e02b #0 [ 35.321942][ T11] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.332128][ T11] Workqueue: writeback wb_workfn (flush-0:36) [ 35.338188][ T11] RIP: 0010:fuse_writepages_fill+0x15ae/0x1a20 [ 35.344350][ T11] Code: ff 4c 89 ef e8 13 41 06 ff e9 54 ec ff ff e8 09 41 06 ff e9 7b ec ff ff e8 ff 92 ba fe 4c 89 f7 e8 c7 14 a3 06 e8 f2 92 ba fe <0f> 0b 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 18 48 c1 ea 03 80 [ 35.363998][ T11] RSP: 0018:ffffc900001073b0 EFLAGS: 00010293 [ 35.370087][ T11] RAX: 0000000000000000 RBX: ffffc90000107618 RCX: 0000000000000000 [ 35.378045][ T11] RDX: ffff888010e73a00 RSI: ffffffff82be74de RDI: 0000000000000001 [ 35.386019][ T11] RBP: 0000000000000000 R08: 0000000000000000 R09: ffff8880711905e3 [ 35.393987][ T11] R10: ffffed100e2320bc R11: 0000000000000000 R12: ffffc90000107628 [ 35.401978][ T11] R13: ffff8880711904c8 R14: ffff8880711905e0 R15: ffff888071190000 [ 35.409967][ T11] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 35.418903][ T11] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.425484][ T11] CR2: 00007f733fa03838 CR3: 000000007f43d000 CR4: 0000000000350ef0 [ 35.433473][ T11] Call Trace: [ 35.436740][ T11] [ 35.439709][ T11] ? folio_clear_dirty_for_io+0x10b/0x880 [ 35.445603][ T11] write_cache_pages+0x79f/0x1a50 [ 35.450632][ T11] ? fuse_writepages+0x410/0x410 [ 35.455562][ T11] ? folio_account_redirty+0x6e0/0x6e0 [ 35.461021][ T11] ? lock_release+0x522/0x720 [ 35.465691][ T11] ? fs_reclaim_acquire+0xb2/0x160 [ 35.470815][ T11] ? hlock_conflict+0x111/0x200 [ 35.475655][ T11] ? pick_next_entity+0x500/0x5d0 [ 35.480765][ T11] ? update_sd_lb_stats.constprop.0+0x2df0/0x2df0 [ 35.487298][ T11] ? rcu_read_lock_sched_held+0xd/0x70 [ 35.492806][ T11] ? trace_kmalloc+0x32/0xf0 [ 35.497400][ T11] fuse_writepages+0x29b/0x410 [ 35.502183][ T11] ? fuse_writepages_send+0x400/0x400 [ 35.507550][ T11] ? fprop_fraction_percpu+0x22a/0x370 [ 35.513037][ T11] ? fuse_writepages_send+0x400/0x400 [ 35.518419][ T11] do_writepages+0x1ab/0x690 [ 35.523003][ T11] ? writeback_set_ratelimit+0x150/0x150 [ 35.528659][ T11] ? lock_acquire+0x442/0x510 [ 35.533333][ T11] ? rcu_read_lock_sched_held+0xd/0x70 [ 35.538808][ T11] ? lock_release+0x522/0x720 [ 35.543500][ T11] ? __percpu_counter_sum+0x139/0x1d0 [ 35.548912][ T11] ? rcu_read_lock_sched_held+0xd/0x70 [ 35.554373][ T11] ? lock_release+0x522/0x720 [ 35.559071][ T11] ? rcu_read_lock_sched_held+0xd/0x70 [ 35.564558][ T11] ? wbc_attach_and_unlock_inode+0x8a/0x8d0 [ 35.570550][ T11] ? lock_downgrade+0x6e0/0x6e0 [ 35.575396][ T11] ? rcu_read_lock_sched_held+0xd/0x70 [ 35.580876][ T11] ? lock_release+0x522/0x720 [ 35.585547][ T11] ? writeback_sb_inodes+0x3a6/0xf00 executing program [ 35.590854][ T11] ? lock_downgrade+0x6e0/0x6e0 [ 35.595705][ T11] ? do_raw_spin_lock+0x120/0x2a0 [ 35.600754][ T11] __writeback_single_inode+0x126/0x10d0 [ 35.605014][ T50] ------------[ cut here ]------------ [ 35.606384][ T11] ? wbc_attach_and_unlock_inode+0x8a/0x8d0 [ 35.613319][ T50] WARNING: CPU: 1 PID: 50 at fs/fuse/file.c:1842 fuse_writepages_fill+0x15ae/0x1a20 [ 35.617823][ T11] writeback_sb_inodes+0x53d/0xf00 [ 35.617849][ T11] ? sync_inode_metadata+0xd0/0xd0 [ 35.627519][ T50] Modules linked in: [ 35.632580][ T11] __writeback_inodes_wb+0xc6/0x280 [ 35.637658][ T50] [ 35.641460][ T11] wb_writeback+0x7f8/0xc30 [ 35.646776][ T50] CPU: 1 PID: 50 Comm: kworker/u4:2 Tainted: G W 5.17.0-syzkaller-10753-gbddac7c1e02b #0 [ 35.651073][ T11] ? __writeback_inodes_wb+0x280/0x280 [ 35.653676][ T50] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.664575][ T11] ? rcu_read_lock_sched_held+0xd/0x70 [ 35.670186][ T50] Workqueue: writeback wb_workfn [ 35.680104][ T11] ? __local_bh_enable_ip+0xa0/0x120 [ 35.695825][ T50] (flush-0:37) [ 35.695824][ T11] wb_workfn+0x9cb/0x1230 [ 35.695853][ T11] ? trace_hardirqs_on+0x5b/0x1c0 [ 35.699394][ T50] RIP: 0010:fuse_writepages_fill+0x15ae/0x1a20 [ 35.708783][ T11] ? inode_wait_for_writeback+0x30/0x30 [ 35.714909][ T50] Code: ff 4c 89 ef e8 13 41 06 ff e9 54 ec ff ff e8 09 41 06 ff e9 7b ec ff ff e8 ff 92 ba fe 4c 89 f7 e8 c7 14 a3 06 e8 f2 92 ba fe <0f> 0b 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 18 48 c1 ea 03 80 [ 35.720539][ T11] ? rcu_read_lock_sched_held+0xd/0x70 [ 35.745615][ T50] RSP: 0018:ffffc9000138f3b0 EFLAGS: 00010293 [ 35.745962][ T11] ? lock_acquire+0x442/0x510 [ 35.751918][ T50] RAX: 0000000000000000 RBX: ffffc9000138f618 RCX: 0000000000000000 [ 35.756506][ T11] ? lock_release+0x720/0x720 [ 35.764467][ T50] RDX: ffff888016d91d00 RSI: ffffffff82be74de RDI: 0000000000000001 [ 35.769178][ T11] ? read_word_at_a_time+0xe/0x20 [ 35.777121][ T50] RBP: 0000000000000000 R08: 0000000000000000 R09: ffff8880711605e3 [ 35.782182][ T11] ? strscpy+0xa1/0x2a0 [ 35.790249][ T50] R10: ffffed100e22c0bc R11: 0000000000000000 R12: ffffc9000138f628 [ 35.794427][ T11] process_one_work+0x996/0x1610 [ 35.802391][ T50] R13: ffff8880711604c8 R14: ffff8880711605e0 R15: ffff888071160000 [ 35.807711][ T11] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 35.815725][ T50] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 35.821110][ T11] ? rwlock_bug.part.0+0x90/0x90 [ 35.829753][ T50] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.834919][ T11] worker_thread+0x665/0x1080 [ 35.841207][ T50] CR2: 000000002000c380 CR3: 000000001b31b000 CR4: 0000000000350ef0 [ 35.841221][ T50] Call Trace: [ 35.841227][ T50] [ 35.841233][ T50] ? folio_clear_dirty_for_io+0x10b/0x880 [ 35.846195][ T11] ? process_one_work+0x1610/0x1610 [ 35.853863][ T50] write_cache_pages+0x79f/0x1a50 [ 35.857346][ T11] kthread+0x2e9/0x3a0 [ 35.871262][ T50] ? fuse_writepages+0x410/0x410 [ 35.876657][ T11] ? kthread_complete_and_exit+0x40/0x40 [ 35.890909][ T50] ? folio_account_redirty+0x6e0/0x6e0 [ 35.891128][ T11] ret_from_fork+0x1f/0x30 [ 35.900864][ T50] ? lock_release+0x522/0x720 [ 35.901075][ T11] [ 35.905578][ T50] ? fs_reclaim_acquire+0xb2/0x160 [ 35.908800][ T11] Kernel panic - not syncing: panic_on_warn set ... [ 35.908810][ T11] CPU: 1 PID: 11 Comm: kworker/u4:1 Tainted: G W 5.17.0-syzkaller-10753-gbddac7c1e02b #0 [ 35.908828][ T11] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.908839][ T11] Workqueue: writeback wb_workfn (flush-0:36) [ 35.908862][ T11] Call Trace: [ 35.908866][ T11] [ 35.908871][ T11] dump_stack_lvl+0xcd/0x134 [ 35.908892][ T11] panic+0x2d7/0x636 [ 35.908907][ T11] ? panic_print_sys_info.part.0+0x10b/0x10b [ 35.908926][ T11] ? __warn.cold+0x1d1/0x2c5 [ 35.908941][ T11] ? fuse_writepages_fill+0x15ae/0x1a20 [ 35.908959][ T11] __warn.cold+0x1e2/0x2c5 [ 35.908974][ T11] ? fuse_writepages_fill+0x15ae/0x1a20 [ 35.908991][ T11] report_bug+0x1bd/0x210 [ 35.909009][ T11] handle_bug+0x3c/0x60 [ 35.909027][ T11] exc_invalid_op+0x14/0x40 [ 35.909044][ T11] asm_exc_invalid_op+0x12/0x20 [ 35.909061][ T11] RIP: 0010:fuse_writepages_fill+0x15ae/0x1a20 [ 35.909080][ T11] Code: ff 4c 89 ef e8 13 41 06 ff e9 54 ec ff ff e8 09 41 06 ff e9 7b ec ff ff e8 ff 92 ba fe 4c 89 f7 e8 c7 14 a3 06 e8 f2 92 ba fe <0f> 0b 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 18 48 c1 ea 03 80 [ 35.909094][ T11] RSP: 0018:ffffc900001073b0 EFLAGS: 00010293 [ 35.909106][ T11] RAX: 0000000000000000 RBX: ffffc90000107618 RCX: 0000000000000000 [ 35.909116][ T11] RDX: ffff888010e73a00 RSI: ffffffff82be74de RDI: 0000000000000001 [ 35.909126][ T11] RBP: 0000000000000000 R08: 0000000000000000 R09: ffff8880711905e3 [ 35.909135][ T11] R10: ffffed100e2320bc R11: 0000000000000000 R12: ffffc90000107628 [ 35.909145][ T11] R13: ffff8880711904c8 R14: ffff8880711905e0 R15: ffff888071190000 [ 35.909158][ T11] ? fuse_writepages_fill+0x15ae/0x1a20 [ 35.909177][ T11] ? folio_clear_dirty_for_io+0x10b/0x880 [ 35.909196][ T11] write_cache_pages+0x79f/0x1a50 [ 35.909213][ T11] ? fuse_writepages+0x410/0x410 [ 35.909230][ T11] ? folio_account_redirty+0x6e0/0x6e0 [ 35.909246][ T11] ? lock_release+0x522/0x720 [ 35.909263][ T11] ? fs_reclaim_acquire+0xb2/0x160 [ 35.909278][ T11] ? hlock_conflict+0x111/0x200 [ 35.909294][ T11] ? pick_next_entity+0x500/0x5d0 [ 35.909310][ T11] ? update_sd_lb_stats.constprop.0+0x2df0/0x2df0 [ 35.909330][ T11] ? rcu_read_lock_sched_held+0xd/0x70 [ 35.909347][ T11] ? trace_kmalloc+0x32/0xf0 [ 35.909366][ T11] fuse_writepages+0x29b/0x410 [ 35.909382][ T11] ? fuse_writepages_send+0x400/0x400 [ 35.909399][ T11] ? fprop_fraction_percpu+0x22a/0x370 [ 35.909419][ T11] ? fuse_writepages_send+0x400/0x400 [ 35.909434][ T11] do_writepages+0x1ab/0x690 [ 35.909451][ T11] ? writeback_set_ratelimit+0x150/0x150 [ 35.909468][ T11] ? lock_acquire+0x442/0x510 [ 35.909484][ T11] ? rcu_read_lock_sched_held+0xd/0x70 [ 35.909501][ T11] ? lock_release+0x522/0x720 [ 35.909517][ T11] ? __percpu_counter_sum+0x139/0x1d0 [ 35.909532][ T11] ? rcu_read_lock_sched_held+0xd/0x70 [ 35.909549][ T11] ? lock_release+0x522/0x720 [ 35.909564][ T11] ? rcu_read_lock_sched_held+0xd/0x70 [ 35.909581][ T11] ? wbc_attach_and_unlock_inode+0x8a/0x8d0 [ 35.909598][ T11] ? lock_downgrade+0x6e0/0x6e0 [ 35.909614][ T11] ? rcu_read_lock_sched_held+0xd/0x70 [ 35.909630][ T11] ? lock_release+0x522/0x720 [ 35.909646][ T11] ? writeback_sb_inodes+0x3a6/0xf00 [ 35.909667][ T11] ? lock_downgrade+0x6e0/0x6e0 [ 35.909683][ T11] ? do_raw_spin_lock+0x120/0x2a0 [ 35.909702][ T11] __writeback_single_inode+0x126/0x10d0 [ 35.909719][ T11] ? wbc_attach_and_unlock_inode+0x8a/0x8d0 [ 35.909737][ T11] writeback_sb_inodes+0x53d/0xf00 [ 35.909757][ T11] ? sync_inode_metadata+0xd0/0xd0 [ 35.909782][ T11] __writeback_inodes_wb+0xc6/0x280 [ 35.909801][ T11] wb_writeback+0x7f8/0xc30 [ 35.909818][ T11] ? __writeback_inodes_wb+0x280/0x280 [ 35.909837][ T11] ? rcu_read_lock_sched_held+0xd/0x70 [ 35.909854][ T11] ? __local_bh_enable_ip+0xa0/0x120 [ 35.909874][ T11] wb_workfn+0x9cb/0x1230 [ 35.909891][ T11] ? trace_hardirqs_on+0x5b/0x1c0 [ 35.909907][ T11] ? inode_wait_for_writeback+0x30/0x30 [ 35.909924][ T11] ? rcu_read_lock_sched_held+0xd/0x70 [ 35.909941][ T11] ? lock_acquire+0x442/0x510 [ 35.909957][ T11] ? lock_release+0x720/0x720 [ 35.909975][ T11] ? read_word_at_a_time+0xe/0x20 [ 35.909991][ T11] ? strscpy+0xa1/0x2a0 [ 35.910007][ T11] process_one_work+0x996/0x1610 [ 35.910025][ T11] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 35.910041][ T11] ? rwlock_bug.part.0+0x90/0x90 [ 35.910060][ T11] worker_thread+0x665/0x1080 [ 35.910078][ T11] ? process_one_work+0x1610/0x1610 [ 35.910093][ T11] kthread+0x2e9/0x3a0 [ 35.910110][ T11] ? kthread_complete_and_exit+0x40/0x40 [ 35.910130][ T11] ret_from_fork+0x1f/0x30 [ 35.910150][ T11] [ 35.914564][ T11] Kernel Offset: disabled [ 36.376204][ T11] Rebooting in 86400 seconds..