DUID 00:04:9a:9b:60:6a:39:26:c8:65:2f:c5:16:4d:58:03:30:c2 forked to background, child pid 3171 [ 28.180938][ T3172] 8021q: adding VLAN 0 to HW filter on device bond0 [ 28.197941][ T3172] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.88' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 51.827745][ T3496] loop0: detected capacity change from 0 to 512 [ 51.837654][ T3496] EXT4-fs (loop0): Ignoring removed mblk_io_submit option [ 51.845610][ T3496] EXT4-fs (loop0): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 51.865599][ T3496] EXT4-fs error (device loop0): ext4_xattr_inode_iget:400: inode #12: comm syz-executor804: casefold flag without casefold feature [ 51.880413][ T3496] ------------[ cut here ]------------ [ 51.885868][ T3496] WARNING: CPU: 1 PID: 3496 at kernel/locking/lockdep.c:896 look_up_lock_class+0xa0/0x120 [ 51.895800][ T3496] Modules linked in: [ 51.899684][ T3496] CPU: 1 PID: 3496 Comm: syz-executor804 Not tainted 5.15.113-syzkaller #0 [ 51.908256][ T3496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 51.918391][ T3496] RIP: 0010:look_up_lock_class+0xa0/0x120 [ 51.924110][ T3496] Code: 00 48 85 db 74 4c 4c 39 7b 40 74 05 48 8b 1b eb eb 48 8b 83 b0 00 00 00 49 3b 46 18 74 36 48 c7 c0 00 90 a8 8f 49 39 06 74 2a <0f> 0b eb 26 e8 d7 42 e8 f9 48 c7 c7 60 1c 8b 8a 89 de e8 a2 d5 fe [ 51.943714][ T3496] RSP: 0018:ffffc90002c5f010 EFLAGS: 00010087 [ 51.949783][ T3496] RAX: ffffffff8fa89000 RBX: ffffffff8f8fd4c0 RCX: ffff88807e169dc0 [ 51.957747][ T3496] RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff8880719583f0 [ 51.965717][ T3496] RBP: ffffc90002c5f110 R08: dffffc0000000000 R09: ffff8880719583f8 [ 51.973682][ T3496] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001 [ 51.981642][ T3496] R13: 1ffff9200058be10 R14: ffff8880719583f0 R15: ffffffff8caa10d9 [ 51.989698][ T3496] FS: 0000555555b25300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 51.998618][ T3496] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.005192][ T3496] CR2: 00007fa2ccd79440 CR3: 000000007cd05000 CR4: 00000000003506e0 [ 52.013171][ T3496] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.021150][ T3496] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.029108][ T3496] Call Trace: [ 52.032376][ T3496] [ 52.035296][ T3496] register_lock_class+0x100/0x9a0 [ 52.040402][ T3496] ? is_dynamic_key+0x1f0/0x1f0 [ 52.045251][ T3496] lockdep_init_map_type+0x376/0x8d0 [ 52.050533][ T3496] ? lockdep_softirqs_off+0x420/0x420 [ 52.055893][ T3496] ? vfs_get_tree+0x88/0x270 [ 52.060473][ T3496] ? do_new_mount+0x28b/0xad0 [ 52.065139][ T3496] ? __se_sys_mount+0x2d5/0x3c0 [ 52.069981][ T3496] ? do_syscall_64+0x3d/0xb0 [ 52.074570][ T3496] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 52.080640][ T3496] ext4_xattr_inode_iget+0x2fa/0x5e0 [ 52.085935][ T3496] ext4_xattr_inode_get+0x17d/0x9a0 [ 52.091128][ T3496] ? __xattr_check_inode+0x3f0/0x3f0 [ 52.096434][ T3496] ? __kmalloc_node+0x199/0x390 [ 52.101282][ T3496] ? ext4_expand_extra_isize_ea+0xd11/0x1bb0 [ 52.107264][ T3496] ext4_expand_extra_isize_ea+0xe70/0x1bb0 [ 52.113071][ T3496] ? ext4_xattr_set+0x3d0/0x3d0 [ 52.117911][ T3496] ? down_write_trylock+0x173/0x2d0 [ 52.123097][ T3496] ? __ext4_mark_inode_dirty+0x4a0/0x860 [ 52.128722][ T3496] ? dquot_initialize_needed+0x128/0x320 [ 52.134349][ T3496] __ext4_expand_extra_isize+0x2f7/0x3d0 [ 52.139979][ T3496] __ext4_mark_inode_dirty+0x539/0x860 [ 52.145431][ T3496] ? ext4_blocks_for_truncate+0x270/0x270 [ 52.151143][ T3496] ? rcu_read_lock_any_held+0xb3/0x160 [ 52.156604][ T3496] ? ext4_journal_check_start+0x17b/0x240 [ 52.162403][ T3496] ? ext4_inode_is_fast_symlink+0x262/0x390 [ 52.168287][ T3496] ext4_evict_inode+0xadc/0x1100 [ 52.173215][ T3496] ? _raw_spin_unlock+0x24/0x40 [ 52.178146][ T3496] ? ext4_inode_is_fast_symlink+0x390/0x390 [ 52.184027][ T3496] ? do_raw_spin_unlock+0x137/0x8b0 [ 52.189214][ T3496] ? ext4_inode_is_fast_symlink+0x390/0x390 [ 52.195097][ T3496] evict+0x2a4/0x620 [ 52.198985][ T3496] ext4_orphan_cleanup+0xa0d/0x1290 [ 52.204176][ T3496] ? ext4_orphan_del+0xc50/0xc50 [ 52.209180][ T3496] ? __init_swait_queue_head+0xaa/0x140 [ 52.214729][ T3496] ? errseq_check_and_advance+0x60/0x110 [ 52.220354][ T3496] ext4_fill_super+0x973b/0x9f60 [ 52.225300][ T3496] ? ext4_mount+0x40/0x40 [ 52.229622][ T3496] ? vscnprintf+0x80/0x80 [ 52.233957][ T3496] ? set_blocksize+0x1ec/0x370 [ 52.238800][ T3496] mount_bdev+0x26d/0x3a0 [ 52.243120][ T3496] ? ext4_mount+0x40/0x40 [ 52.247439][ T3496] legacy_get_tree+0xeb/0x180 [ 52.252108][ T3496] ? ext4_errno_to_code+0x140/0x140 [ 52.257297][ T3496] vfs_get_tree+0x88/0x270 [ 52.261707][ T3496] do_new_mount+0x28b/0xad0 [ 52.266202][ T3496] ? do_move_mount_old+0x160/0x160 [ 52.271313][ T3496] ? user_path_at_empty+0x12b/0x180 [ 52.276518][ T3496] __se_sys_mount+0x2d5/0x3c0 [ 52.281184][ T3496] ? __x64_sys_mount+0xc0/0xc0 [ 52.285936][ T3496] ? syscall_enter_from_user_mode+0x2e/0x230 [ 52.291908][ T3496] ? lockdep_hardirqs_on+0x94/0x130 [ 52.297095][ T3496] ? __x64_sys_mount+0x1c/0xc0 [ 52.301850][ T3496] do_syscall_64+0x3d/0xb0 [ 52.306254][ T3496] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 52.312135][ T3496] RIP: 0033:0x7fddb6d9ef1a [ 52.316551][ T3496] Code: 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 52.336143][ T3496] RSP: 002b:00007ffe1215ac38 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 52.344554][ T3496] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fddb6d9ef1a [ 52.352688][ T3496] RDX: 0000000020000180 RSI: 00000000200000c0 RDI: 00007ffe1215ac50 [ 52.360646][ T3496] RBP: 00007ffe1215ac50 R08: 00007ffe1215ac90 R09: 0000000000000435 [ 52.368621][ T3496] R10: 0000000000800700 R11: 0000000000000206 R12: 0000000000000004 [ 52.376666][ T3496] R13: 0000555555b252c0 R14: 0000000000800700 R15: 00007ffe1215ac90 [ 52.384661][ T3496] [ 52.387668][ T3496] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 52.394934][ T3496] CPU: 1 PID: 3496 Comm: syz-executor804 Not tainted 5.15.113-syzkaller #0 [ 52.403524][ T3496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 52.413566][ T3496] Call Trace: [ 52.416834][ T3496] [ 52.419752][ T3496] dump_stack_lvl+0x1e3/0x2cb [ 52.424422][ T3496] ? io_uring_drop_tctx_refs+0x19d/0x19d [ 52.430043][ T3496] ? panic+0x84d/0x84d [ 52.434103][ T3496] ? look_up_lock_class+0xa0/0x120 [ 52.439202][ T3496] ? look_up_lock_class+0xa0/0x120 [ 52.444304][ T3496] panic+0x318/0x84d [ 52.448188][ T3496] ? __warn+0x16a/0x300 [ 52.452338][ T3496] ? fb_is_primary_device+0xcc/0xcc [ 52.457528][ T3496] ? look_up_lock_class+0xa0/0x120 [ 52.462624][ T3496] __warn+0x2b2/0x300 [ 52.466605][ T3496] ? look_up_lock_class+0xa0/0x120 [ 52.471705][ T3496] report_bug+0x1b7/0x2e0 [ 52.476024][ T3496] handle_bug+0x3d/0x70 [ 52.480165][ T3496] exc_invalid_op+0x16/0x40 [ 52.484663][ T3496] asm_exc_invalid_op+0x16/0x20 [ 52.489507][ T3496] RIP: 0010:look_up_lock_class+0xa0/0x120 [ 52.495214][ T3496] Code: 00 48 85 db 74 4c 4c 39 7b 40 74 05 48 8b 1b eb eb 48 8b 83 b0 00 00 00 49 3b 46 18 74 36 48 c7 c0 00 90 a8 8f 49 39 06 74 2a <0f> 0b eb 26 e8 d7 42 e8 f9 48 c7 c7 60 1c 8b 8a 89 de e8 a2 d5 fe [ 52.514807][ T3496] RSP: 0018:ffffc90002c5f010 EFLAGS: 00010087 [ 52.520862][ T3496] RAX: ffffffff8fa89000 RBX: ffffffff8f8fd4c0 RCX: ffff88807e169dc0 [ 52.528821][ T3496] RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff8880719583f0 [ 52.536803][ T3496] RBP: ffffc90002c5f110 R08: dffffc0000000000 R09: ffff8880719583f8 [ 52.544765][ T3496] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001 [ 52.552723][ T3496] R13: 1ffff9200058be10 R14: ffff8880719583f0 R15: ffffffff8caa10d9 [ 52.560705][ T3496] register_lock_class+0x100/0x9a0 [ 52.565814][ T3496] ? is_dynamic_key+0x1f0/0x1f0 [ 52.570656][ T3496] lockdep_init_map_type+0x376/0x8d0 [ 52.575929][ T3496] ? lockdep_softirqs_off+0x420/0x420 [ 52.581296][ T3496] ? vfs_get_tree+0x88/0x270 [ 52.585875][ T3496] ? do_new_mount+0x28b/0xad0 [ 52.590539][ T3496] ? __se_sys_mount+0x2d5/0x3c0 [ 52.595374][ T3496] ? do_syscall_64+0x3d/0xb0 [ 52.599952][ T3496] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 52.606012][ T3496] ext4_xattr_inode_iget+0x2fa/0x5e0 [ 52.611296][ T3496] ext4_xattr_inode_get+0x17d/0x9a0 [ 52.616509][ T3496] ? __xattr_check_inode+0x3f0/0x3f0 [ 52.621802][ T3496] ? __kmalloc_node+0x199/0x390 [ 52.626649][ T3496] ? ext4_expand_extra_isize_ea+0xd11/0x1bb0 [ 52.632624][ T3496] ext4_expand_extra_isize_ea+0xe70/0x1bb0 [ 52.638433][ T3496] ? ext4_xattr_set+0x3d0/0x3d0 [ 52.643292][ T3496] ? down_write_trylock+0x173/0x2d0 [ 52.648479][ T3496] ? __ext4_mark_inode_dirty+0x4a0/0x860 [ 52.654104][ T3496] ? dquot_initialize_needed+0x128/0x320 [ 52.659732][ T3496] __ext4_expand_extra_isize+0x2f7/0x3d0 [ 52.665368][ T3496] __ext4_mark_inode_dirty+0x539/0x860 [ 52.670830][ T3496] ? ext4_blocks_for_truncate+0x270/0x270 [ 52.676544][ T3496] ? rcu_read_lock_any_held+0xb3/0x160 [ 52.682004][ T3496] ? ext4_journal_check_start+0x17b/0x240 [ 52.687808][ T3496] ? ext4_inode_is_fast_symlink+0x262/0x390 [ 52.693703][ T3496] ext4_evict_inode+0xadc/0x1100 [ 52.698637][ T3496] ? _raw_spin_unlock+0x24/0x40 [ 52.703477][ T3496] ? ext4_inode_is_fast_symlink+0x390/0x390 [ 52.709359][ T3496] ? do_raw_spin_unlock+0x137/0x8b0 [ 52.714545][ T3496] ? ext4_inode_is_fast_symlink+0x390/0x390 [ 52.720426][ T3496] evict+0x2a4/0x620 [ 52.724350][ T3496] ext4_orphan_cleanup+0xa0d/0x1290 [ 52.729549][ T3496] ? ext4_orphan_del+0xc50/0xc50 [ 52.734483][ T3496] ? __init_swait_queue_head+0xaa/0x140 [ 52.740023][ T3496] ? errseq_check_and_advance+0x60/0x110 [ 52.745654][ T3496] ext4_fill_super+0x973b/0x9f60 [ 52.750625][ T3496] ? ext4_mount+0x40/0x40 [ 52.754953][ T3496] ? vscnprintf+0x80/0x80 [ 52.759270][ T3496] ? set_blocksize+0x1ec/0x370 [ 52.764026][ T3496] mount_bdev+0x26d/0x3a0 [ 52.768355][ T3496] ? ext4_mount+0x40/0x40 [ 52.772674][ T3496] legacy_get_tree+0xeb/0x180 [ 52.777339][ T3496] ? ext4_errno_to_code+0x140/0x140 [ 52.782527][ T3496] vfs_get_tree+0x88/0x270 [ 52.786936][ T3496] do_new_mount+0x28b/0xad0 [ 52.791429][ T3496] ? do_move_mount_old+0x160/0x160 [ 52.796532][ T3496] ? user_path_at_empty+0x12b/0x180 [ 52.801724][ T3496] __se_sys_mount+0x2d5/0x3c0 [ 52.806404][ T3496] ? __x64_sys_mount+0xc0/0xc0 [ 52.811155][ T3496] ? syscall_enter_from_user_mode+0x2e/0x230 [ 52.817126][ T3496] ? lockdep_hardirqs_on+0x94/0x130 [ 52.822418][ T3496] ? __x64_sys_mount+0x1c/0xc0 [ 52.827179][ T3496] do_syscall_64+0x3d/0xb0 [ 52.831599][ T3496] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 52.837493][ T3496] RIP: 0033:0x7fddb6d9ef1a [ 52.841897][ T3496] Code: 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 52.861575][ T3496] RSP: 002b:00007ffe1215ac38 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 52.869977][ T3496] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fddb6d9ef1a [ 52.877937][ T3496] RDX: 0000000020000180 RSI: 00000000200000c0 RDI: 00007ffe1215ac50 [ 52.885897][ T3496] RBP: 00007ffe1215ac50 R08: 00007ffe1215ac90 R09: 0000000000000435 [ 52.893857][ T3496] R10: 0000000000800700 R11: 0000000000000206 R12: 0000000000000004 [ 52.901812][ T3496] R13: 0000555555b252c0 R14: 0000000000800700 R15: 00007ffe1215ac90 [ 52.909784][ T3496] [ 52.913041][ T3496] Kernel Offset: disabled [ 52.917369][ T3496] Rebooting in 86400 seconds..