Warning: Permanently added '10.128.10.16' (ED25519) to the list of known hosts.
executing program
syzkaller login: [ 59.014981][ T4162] FAULT_INJECTION: forcing a failure.
[ 59.014981][ T4162] name failslab, interval 1, probability 0, space 0, times 1
[ 59.027983][ T4162] CPU: 0 PID: 4162 Comm: syz-executor292 Not tainted 5.15.173-syzkaller #0
[ 59.036572][ T4162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 59.046640][ T4162] Call Trace:
[ 59.049914][ T4162]
[ 59.052834][ T4162] dump_stack_lvl+0x1e3/0x2d0
[ 59.057551][ T4162] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 59.063281][ T4162] ? panic+0x860/0x860
[ 59.067345][ T4162] should_fail+0x38a/0x4c0
[ 59.071777][ T4162] should_failslab+0x5/0x20
[ 59.076289][ T4162] slab_pre_alloc_hook+0x53/0xc0
[ 59.081234][ T4162] kmem_cache_alloc_trace+0x49/0x290
[ 59.086509][ T4162] ? ovl_encode_real_fh+0xdb/0x400
[ 59.091641][ T4162] ovl_encode_real_fh+0xdb/0x400
[ 59.096573][ T4162] ? ovl_set_attr+0x430/0x430
[ 59.101246][ T4162] ovl_encode_fh+0x746/0x990
[ 59.105837][ T4162] ? ovl_do_rename+0x240/0x240
[ 59.110589][ T4162] exportfs_encode_fh+0x13a/0x430
[ 59.115606][ T4162] ovl_encode_real_fh+0x125/0x400
[ 59.120625][ T4162] ? ovl_set_attr+0x430/0x430
[ 59.125458][ T4162] ovl_lookup_index+0x6a/0x660
[ 59.130224][ T4162] ovl_lookup+0x1636/0x1f10
[ 59.134743][ T4162] ? ovl_path_next+0x270/0x270
[ 59.139499][ T4162] ? d_alloc_parallel+0x125d/0x1390
[ 59.144703][ T4162] ? d_hash_and_lookup+0x1b0/0x1b0
[ 59.149803][ T4162] ? __init_waitqueue_head+0xaa/0x140
[ 59.155169][ T4162] __lookup_slow+0x275/0x3d0
[ 59.159753][ T4162] ? lookup_one_len+0x2d0/0x2d0
[ 59.164609][ T4162] ? down_read+0x1b3/0x2e0
[ 59.169016][ T4162] lookup_slow+0x53/0x70
[ 59.173252][ T4162] walk_component+0x48c/0x610
[ 59.178033][ T4162] ? nd_alloc_stack+0xf0/0xf0
[ 59.182701][ T4162] ? handle_lookup_down+0x130/0x130
[ 59.187894][ T4162] path_lookupat+0x16f/0x450
[ 59.192569][ T4162] filename_lookup+0x230/0x5c0
[ 59.197335][ T4162] ? hashlen_string+0x110/0x110
[ 59.202280][ T4162] ? getname_flags+0x1ec/0x4e0
[ 59.207037][ T4162] user_path_at_empty+0x40/0x180
[ 59.212066][ T4162] path_setxattr+0xae/0x2a0
[ 59.216564][ T4162] ? simple_xattr_list_add+0xf0/0xf0
[ 59.221841][ T4162] ? syscall_enter_from_user_mode+0x2e/0x240
[ 59.227816][ T4162] __x64_sys_lsetxattr+0xb4/0xd0
[ 59.232745][ T4162] do_syscall_64+0x3b/0xb0
[ 59.237155][ T4162] ? clear_bhb_loop+0x15/0x70
[ 59.241839][ T4162] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 59.247726][ T4162] RIP: 0033:0x7f5c47d5f449
[ 59.252152][ T4162] Code: 48 83 c4 28 c3 e8 47 1a 00 00 0f 1f 80 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 b8 ff ff ff f7 d8 64 89 01 48
[ 59.271846][ T4162] RSP: 002b:00007fff941e1768 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd
[ 59.280354][ T4162] RAX: ffffffffffffffda RBX: 00007fff941e1770 RCX: 00007f5c47d5f449
[ 59.288318][ T4162] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000140
[ 59.296279][ T4162] RBP: 0000000000000002 R08: 0000000000000000 R09: 00007f5c47003731
[ 59.304267][ T4162] R10: 000000000000001c R11: 0000000000000246 R12: 0000000000000000
[ 59.312241][ T4162] R13: 00007fff941e19d8 R14: 0000000000000001 R15: 0000000000000001
[ 59.320235][ T4162]
[ 59.326672][ T4162] ------------[ cut here ]------------
[ 59.332280][ T4162] WARNING: CPU: 1 PID: 4162 at fs/overlayfs/copy_up.c:371 ovl_encode_real_fh+0x2d6/0x400
[ 59.342198][ T4162] Modules linked in:
[ 59.346105][ T4162] CPU: 1 PID: 4162 Comm: syz-executor292 Not tainted 5.15.173-syzkaller #0
[ 59.354725][ T4162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 59.364826][ T4162] RIP: 0010:ovl_encode_real_fh+0x2d6/0x400
[ 59.370678][ T4162] Code: 00 4c 89 f8 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 8c 6b a0 fe 0f 0b eb 10 e8 83 6b a0 fe 0f 0b eb 07 e8 7a 6b a0 fe <0f> 0b 4c 89 ff e8 90 a4 e9 fe 49 c7 c7 fb ff ff ff eb 95 89 d1 80
[ 59.390328][ T4162] RSP: 0018:ffffc90002dcf560 EFLAGS: 00010293
[ 59.396394][ T4162] RAX: ffffffff82e00826 RBX: 1ffff920005b9eb4 RCX: ffff88807c758000
[ 59.404509][ T4162] RDX: 0000000000000000 RSI: 00000000000000ff RDI: 00000000000000ff
[ 59.412531][ T4162] RBP: ffffc90002dcf610 R08: ffffffff82e006c8 R09: fffffbfff1c14b16
[ 59.420555][ T4162] R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000000000ff
[ 59.428558][ T4162] R13: 0000000000000080 R14: 1ffff920005b9eb0 R15: ffff88814c443600
[ 59.436534][ T4162] FS: 0000555564d27480(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
[ 59.445508][ T4162] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 59.452128][ T4162] CR2: 00005647a74b6608 CR3: 0000000076c86000 CR4: 00000000003506e0
[ 59.460132][ T4162] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 59.468159][ T4162] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 59.476124][ T4162] Call Trace:
[ 59.479425][ T4162]
[ 59.482362][ T4162] ? __warn+0x15b/0x300
[ 59.486515][ T4162] ? ovl_encode_real_fh+0x2d6/0x400
[ 59.491747][ T4162] ? report_bug+0x1b7/0x2e0
[ 59.496272][ T4162] ? handle_bug+0x3d/0x70
[ 59.501065][ T4162] ? exc_invalid_op+0x16/0x40
[ 59.505756][ T4162] ? asm_exc_invalid_op+0x16/0x20
[ 59.510842][ T4162] ? ovl_encode_real_fh+0x178/0x400
[ 59.516054][ T4162] ? ovl_encode_real_fh+0x2d6/0x400
[ 59.521297][ T4162] ? ovl_encode_real_fh+0x2d6/0x400
[ 59.526523][ T4162] ? ovl_set_attr+0x430/0x430
[ 59.531288][ T4162] ovl_lookup_index+0x6a/0x660
[ 59.536076][ T4162] ovl_lookup+0x1636/0x1f10
[ 59.540752][ T4162] ? ovl_path_next+0x270/0x270
[ 59.545530][ T4162] ? d_alloc_parallel+0x125d/0x1390
[ 59.550789][ T4162] ? d_hash_and_lookup+0x1b0/0x1b0
[ 59.555957][ T4162] ? __init_waitqueue_head+0xaa/0x140
[ 59.561372][ T4162] __lookup_slow+0x275/0x3d0
[ 59.565980][ T4162] ? lookup_one_len+0x2d0/0x2d0
[ 59.570893][ T4162] ? down_read+0x1b3/0x2e0
[ 59.575433][ T4162] lookup_slow+0x53/0x70
[ 59.579713][ T4162] walk_component+0x48c/0x610
[ 59.584407][ T4162] ? nd_alloc_stack+0xf0/0xf0
[ 59.589115][ T4162] ? handle_lookup_down+0x130/0x130
[ 59.594334][ T4162] path_lookupat+0x16f/0x450
[ 59.598975][ T4162] filename_lookup+0x230/0x5c0
[ 59.603782][ T4162] ? hashlen_string+0x110/0x110
[ 59.608845][ T4162] ? getname_flags+0x1ec/0x4e0
[ 59.613646][ T4162] user_path_at_empty+0x40/0x180
[ 59.618655][ T4162] path_setxattr+0xae/0x2a0
[ 59.623217][ T4162] ? simple_xattr_list_add+0xf0/0xf0
[ 59.628554][ T4162] ? syscall_enter_from_user_mode+0x2e/0x240
[ 59.634583][ T4162] __x64_sys_lsetxattr+0xb4/0xd0
[ 59.639571][ T4162] do_syscall_64+0x3b/0xb0
[ 59.644006][ T4162] ? clear_bhb_loop+0x15/0x70
[ 59.648737][ T4162] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 59.654673][ T4162] RIP: 0033:0x7f5c47d5f449
[ 59.659135][ T4162] Code: 48 83 c4 28 c3 e8 47 1a 00 00 0f 1f 80 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 b8 ff ff ff f7 d8 64 89 01 48
[ 59.678783][ T4162] RSP: 002b:00007fff941e1768 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd
[ 59.687258][ T4162] RAX: ffffffffffffffda RBX: 00007fff941e1770 RCX: 00007f5c47d5f449
[ 59.695248][ T4162] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000140
[ 59.703255][ T4162] RBP: 0000000000000002 R08: 0000000000000000 R09: 00007f5c47003731
[ 59.711260][ T4162] R10: 000000000000001c R11: 0000000000000246 R12: 0000000000000000
[ 59.719293][ T4162] R13: 00007fff941e19d8 R14: 0000000000000001 R15: 0000000000000001
[ 59.727334][ T4162]
[ 59.730362][ T4162] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 59.737647][ T4162] CPU: 1 PID: 4162 Comm: syz-executor292 Not tainted 5.15.173-syzkaller #0
[ 59.746224][ T4162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 59.756277][ T4162] Call Trace:
[ 59.759546][ T4162]
[ 59.762462][ T4162] dump_stack_lvl+0x1e3/0x2d0
[ 59.767137][ T4162] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 59.772760][ T4162] ? panic+0x860/0x860
[ 59.776834][ T4162] ? ovl_encode_real_fh+0x2b0/0x400
[ 59.782021][ T4162] ? ovl_encode_real_fh+0x2b0/0x400
[ 59.787212][ T4162] panic+0x318/0x860
[ 59.791114][ T4162] ? __warn+0x16a/0x300
[ 59.795261][ T4162] ? fb_is_primary_device+0xd0/0xd0
[ 59.800454][ T4162] ? ovl_encode_real_fh+0x2d6/0x400
[ 59.805655][ T4162] __warn+0x2b2/0x300
[ 59.809641][ T4162] ? ovl_encode_real_fh+0x2d6/0x400
[ 59.814831][ T4162] report_bug+0x1b7/0x2e0
[ 59.819152][ T4162] handle_bug+0x3d/0x70
[ 59.823331][ T4162] exc_invalid_op+0x16/0x40
[ 59.827821][ T4162] asm_exc_invalid_op+0x16/0x20
[ 59.832667][ T4162] RIP: 0010:ovl_encode_real_fh+0x2d6/0x400
[ 59.838463][ T4162] Code: 00 4c 89 f8 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 8c 6b a0 fe 0f 0b eb 10 e8 83 6b a0 fe 0f 0b eb 07 e8 7a 6b a0 fe <0f> 0b 4c 89 ff e8 90 a4 e9 fe 49 c7 c7 fb ff ff ff eb 95 89 d1 80
[ 59.858056][ T4162] RSP: 0018:ffffc90002dcf560 EFLAGS: 00010293
[ 59.864124][ T4162] RAX: ffffffff82e00826 RBX: 1ffff920005b9eb4 RCX: ffff88807c758000
[ 59.872086][ T4162] RDX: 0000000000000000 RSI: 00000000000000ff RDI: 00000000000000ff
[ 59.880159][ T4162] RBP: ffffc90002dcf610 R08: ffffffff82e006c8 R09: fffffbfff1c14b16
[ 59.888126][ T4162] R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000000000ff
[ 59.896083][ T4162] R13: 0000000000000080 R14: 1ffff920005b9eb0 R15: ffff88814c443600
[ 59.904048][ T4162] ? ovl_encode_real_fh+0x178/0x400
[ 59.909240][ T4162] ? ovl_encode_real_fh+0x2d6/0x400
[ 59.914457][ T4162] ? ovl_set_attr+0x430/0x430
[ 59.919128][ T4162] ovl_lookup_index+0x6a/0x660
[ 59.923886][ T4162] ovl_lookup+0x1636/0x1f10
[ 59.928399][ T4162] ? ovl_path_next+0x270/0x270
[ 59.933149][ T4162] ? d_alloc_parallel+0x125d/0x1390
[ 59.938347][ T4162] ? d_hash_and_lookup+0x1b0/0x1b0
[ 59.943447][ T4162] ? __init_waitqueue_head+0xaa/0x140
[ 59.948815][ T4162] __lookup_slow+0x275/0x3d0
[ 59.953400][ T4162] ? lookup_one_len+0x2d0/0x2d0
[ 59.958249][ T4162] ? down_read+0x1b3/0x2e0
[ 59.962663][ T4162] lookup_slow+0x53/0x70
[ 59.966896][ T4162] walk_component+0x48c/0x610
[ 59.971569][ T4162] ? nd_alloc_stack+0xf0/0xf0
[ 59.976233][ T4162] ? handle_lookup_down+0x130/0x130
[ 59.981426][ T4162] path_lookupat+0x16f/0x450
[ 59.986015][ T4162] filename_lookup+0x230/0x5c0
[ 59.990771][ T4162] ? hashlen_string+0x110/0x110
[ 59.995716][ T4162] ? getname_flags+0x1ec/0x4e0
[ 60.000475][ T4162] user_path_at_empty+0x40/0x180
[ 60.005404][ T4162] path_setxattr+0xae/0x2a0
[ 60.009902][ T4162] ? simple_xattr_list_add+0xf0/0xf0
[ 60.015185][ T4162] ? syscall_enter_from_user_mode+0x2e/0x240
[ 60.021154][ T4162] __x64_sys_lsetxattr+0xb4/0xd0
[ 60.026083][ T4162] do_syscall_64+0x3b/0xb0
[ 60.030501][ T4162] ? clear_bhb_loop+0x15/0x70
[ 60.035168][ T4162] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 60.041057][ T4162] RIP: 0033:0x7f5c47d5f449
[ 60.045484][ T4162] Code: 48 83 c4 28 c3 e8 47 1a 00 00 0f 1f 80 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 b8 ff ff ff f7 d8 64 89 01 48
[ 60.065078][ T4162] RSP: 002b:00007fff941e1768 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd
[ 60.073503][ T4162] RAX: ffffffffffffffda RBX: 00007fff941e1770 RCX: 00007f5c47d5f449
[ 60.081461][ T4162] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000140
[ 60.089418][ T4162] RBP: 0000000000000002 R08: 0000000000000000 R09: 00007f5c47003731
[ 60.097384][ T4162] R10: 000000000000001c R11: 0000000000000246 R12: 0000000000000000
[ 60.105438][ T4162] R13: 00007fff941e19d8 R14: 0000000000000001 R15: 0000000000000001
[ 60.113425][ T4162]
[ 60.116716][ T4162] Kernel Offset: disabled
[ 60.121129][ T4162] Rebooting in 86400 seconds..