Warning: Permanently added '10.128.0.23' (ED25519) to the list of known hosts.
[ 67.792247][ T309] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 67.803796][ T309] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 67.814851][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
executing program
[ 67.835350][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 67.843602][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 67.852251][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 68.070172][ T4182] loop0: detected capacity change from 0 to 32768
[ 68.138802][ T4182] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 68.148474][ T4182] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 68.167713][ T4182] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 68.179202][ T7] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 68.187060][ T7] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 68.221058][ T7] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 33ms
[ 68.230239][ T7] gfs2: fsid=syz:syz.0: jid=0: Done
[ 68.236885][ T4182] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 68.336366][ T4182] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 68.424429][ T4182] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error
[ 68.424429][ T4182] inode = 11 2339
[ 68.424429][ T4182] function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 465
[ 68.444951][ T4182] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 68.462875][ T4182] gfs2: fsid=syz:syz.0: warning: assertion "!qd->qd_change" failed at function = gfs2_quota_cleanup, file = fs/gfs2/quota.c, line = 1485
[ 68.478047][ T4182] CPU: 0 PID: 4182 Comm: syz-executor128 Not tainted syzkaller #0
[ 68.486328][ T4182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 68.496527][ T4182] Call Trace:
[ 68.499825][ T4182]
[ 68.502892][ T4182] dump_stack_lvl+0x188/0x250
[ 68.507642][ T4182] ? show_regs_print_info+0x20/0x20
[ 68.512968][ T4182] ? load_image+0x400/0x400
[ 68.518128][ T4182] ? do_raw_spin_unlock+0x11d/0x230
[ 68.523426][ T4182] gfs2_assert_warn_i+0x18f/0x2c0
[ 68.528772][ T4182] gfs2_quota_cleanup+0x4b4/0x6a0
[ 68.534104][ T4182] gfs2_make_fs_ro+0x440/0x620
[ 68.539014][ T4182] ? __might_sleep+0xf0/0xf0
[ 68.543726][ T4182] ? gfs2_dinode_out+0xb00/0xb00
[ 68.550001][ T4182] ? _raw_spin_unlock+0x24/0x40
[ 68.554910][ T4182] ? gfs2_glock_nq+0xcb0/0x1550
[ 68.560060][ T4182] gfs2_withdraw+0x610/0x1490
[ 68.564879][ T4182] ? gfs2_lm+0x240/0x240
[ 68.569151][ T4182] ? __schedule+0x11f7/0x43c0
[ 68.573948][ T4182] ? gfs2_freeze_lock+0x52/0xc0
[ 68.579136][ T4182] ? gfs2_consist_inode_i+0xc0/0xe0
[ 68.584576][ T4182] gfs2_inode_refresh+0xb64/0xff0
[ 68.589833][ T4182] ? do_promote+0x71a/0xab0
[ 68.594375][ T4182] ? gfs2_inode_metasync+0xf0/0xf0
[ 68.599608][ T4182] ? __lock_acquire+0x7d10/0x7d10
[ 68.604777][ T4182] inode_go_lock+0x127/0x470
[ 68.609560][ T4182] do_promote+0x741/0xab0
[ 68.614087][ T4182] finish_xmote+0x4df/0xb00
[ 68.619035][ T4182] do_xmote+0x7b6/0x1120
[ 68.623343][ T4182] gfs2_glock_nq+0xc7a/0x1550
[ 68.628408][ T4182] do_sync+0x4ab/0xc40
[ 68.632628][ T4182] ? slot_put+0x1e0/0x1e0
[ 68.637647][ T4182] ? do_sync+0x4a3/0xc40
[ 68.642045][ T4182] ? do_raw_spin_unlock+0x11d/0x230
[ 68.647380][ T4182] gfs2_quota_sync+0x32c/0x700
[ 68.652208][ T4182] gfs2_sync_fs+0x48/0xb0
[ 68.656566][ T4182] sync_filesystem+0xe6/0x220
[ 68.661421][ T4182] generic_shutdown_super+0x6b/0x300
[ 68.666921][ T4182] kill_block_super+0x7c/0xe0
[ 68.672058][ T4182] deactivate_locked_super+0x93/0xf0
[ 68.677596][ T4182] cleanup_mnt+0x42d/0x4e0
[ 68.682046][ T4182] ? lockdep_hardirqs_on+0x94/0x140
[ 68.687968][ T4182] task_work_run+0x125/0x1a0
[ 68.692700][ T4182] do_exit+0x626/0x20c0
[ 68.697148][ T4182] ? put_task_struct+0x80/0x80
[ 68.702312][ T4182] ? lock_chain_count+0x20/0x20
[ 68.707213][ T4182] do_group_exit+0x12e/0x300
[ 68.712022][ T4182] __x64_sys_exit_group+0x3b/0x40
[ 68.717451][ T4182] do_syscall_64+0x4c/0xa0
[ 68.721894][ T4182] ? clear_bhb_loop+0x30/0x80
[ 68.726692][ T4182] ? clear_bhb_loop+0x30/0x80
[ 68.731668][ T4182] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 68.737600][ T4182] RIP: 0033:0x7fd5bb81d7a5
[ 68.742128][ T4182] Code: Unable to access opcode bytes at RIP 0x7fd5bb81d77b.
[ 68.749919][ T4182] RSP: 002b:00007ffe40d3dc88 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7
[ 68.758891][ T4182] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd5bb81d7a5
[ 68.767079][ T4182] RDX: 00000000000000e7 RSI: ffffffffffffffd0 RDI: 0000000000000001
[ 68.775358][ T4182] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 68.783645][ T4182] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000001
[ 68.791963][ T4182] R13: 00007fd5bb8d0130 R14: 00007fd5bb8d37a8 R15: 00007fd5bb8d37c0
[ 68.800564][ T4182]
[ 68.805290][ T4182] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount.
[ 68.814618][ T4182] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0
[ 68.823911][ T4182] gfs2: fsid=syz:syz.0: File system withdrawn
[ 68.830928][ T4182] CPU: 0 PID: 4182 Comm: syz-executor128 Not tainted syzkaller #0
[ 68.838960][ T4182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 68.850136][ T4182] Call Trace:
[ 68.853905][ T4182]
[ 68.857523][ T4182] dump_stack_lvl+0x188/0x250
[ 68.862295][ T4182] ? kobject_uevent_env+0x371/0x890
[ 68.867717][ T4182] ? show_regs_print_info+0x20/0x20
[ 68.873355][ T4182] ? load_image+0x400/0x400
[ 68.878321][ T4182] ? kobject_uevent_env+0x371/0x890
[ 68.885139][ T4182] ? lockref_put_or_lock+0x6e/0xb0
[ 68.891035][ T4182] gfs2_withdraw+0x1149/0x1490
[ 68.896365][ T4182] ? gfs2_lm+0x240/0x240
[ 68.901034][ T4182] ? __schedule+0x11f7/0x43c0
[ 68.906142][ T4182] ? gfs2_consist_inode_i+0xc0/0xe0
[ 68.911937][ T4182] gfs2_inode_refresh+0xb64/0xff0
[ 68.917227][ T4182] ? do_promote+0x71a/0xab0
[ 68.922166][ T4182] ? gfs2_inode_metasync+0xf0/0xf0
[ 68.927854][ T4182] ? __lock_acquire+0x7d10/0x7d10
[ 68.933414][ T4182] inode_go_lock+0x127/0x470
[ 68.938380][ T4182] do_promote+0x741/0xab0
[ 68.942742][ T4182] finish_xmote+0x4df/0xb00
[ 68.947572][ T4182] do_xmote+0x7b6/0x1120
[ 68.951968][ T4182] gfs2_glock_nq+0xc7a/0x1550
[ 68.956776][ T4182] do_sync+0x4ab/0xc40
[ 68.961037][ T4182] ? slot_put+0x1e0/0x1e0
[ 68.965532][ T4182] ? do_sync+0x4a3/0xc40
[ 68.969810][ T4182] ? do_raw_spin_unlock+0x11d/0x230
[ 68.975311][ T4182] gfs2_quota_sync+0x32c/0x700
[ 68.980211][ T4182] gfs2_sync_fs+0x48/0xb0
[ 68.984750][ T4182] sync_filesystem+0xe6/0x220
[ 68.989834][ T4182] generic_shutdown_super+0x6b/0x300
[ 68.995480][ T4182] kill_block_super+0x7c/0xe0
[ 69.000366][ T4182] deactivate_locked_super+0x93/0xf0
[ 69.006024][ T4182] cleanup_mnt+0x42d/0x4e0
[ 69.010499][ T4182] ? lockdep_hardirqs_on+0x94/0x140
[ 69.015912][ T4182] task_work_run+0x125/0x1a0
[ 69.020636][ T4182] do_exit+0x626/0x20c0
[ 69.024911][ T4182] ? put_task_struct+0x80/0x80
[ 69.029726][ T4182] ? lock_chain_count+0x20/0x20
[ 69.034731][ T4182] do_group_exit+0x12e/0x300
[ 69.039677][ T4182] __x64_sys_exit_group+0x3b/0x40
[ 69.044713][ T4182] do_syscall_64+0x4c/0xa0
[ 69.049507][ T4182] ? clear_bhb_loop+0x30/0x80
[ 69.054309][ T4182] ? clear_bhb_loop+0x30/0x80
[ 69.059293][ T4182] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 69.065329][ T4182] RIP: 0033:0x7fd5bb81d7a5
[ 69.069842][ T4182] Code: Unable to access opcode bytes at RIP 0x7fd5bb81d77b.
[ 69.077454][ T4182] RSP: 002b:00007ffe40d3dc88 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7
[ 69.086112][ T4182] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd5bb81d7a5
[ 69.094994][ T4182] RDX: 00000000000000e7 RSI: ffffffffffffffd0 RDI: 0000000000000001
[ 69.103624][ T4182] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 69.111972][ T4182] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000001
[ 69.120057][ T4182] R13: 00007fd5bb8d0130 R14: 00007fd5bb8d37a8 R15: 00007fd5bb8d37c0
[ 69.128149][ T4182]
[ 69.133824][ T4182] ==================================================================
[ 69.142718][ T4182] BUG: KASAN: use-after-free in qd_unlock+0x30/0x2d0
[ 69.149614][ T4182] Read of size 8 at addr ffff88807059e090 by task syz-executor128/4182
[ 69.158528][ T4182]
[ 69.161478][ T4182] CPU: 0 PID: 4182 Comm: syz-executor128 Not tainted syzkaller #0
[ 69.169461][ T4182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 69.180815][ T4182] Call Trace:
[ 69.184298][ T4182]
[ 69.187324][ T4182] dump_stack_lvl+0x188/0x250
[ 69.192286][ T4182] ? show_regs_print_info+0x20/0x20
[ 69.197961][ T4182] ? load_image+0x400/0x400
[ 69.202835][ T4182] ? _raw_spin_lock_irqsave+0xbc/0x100
[ 69.208330][ T4182] print_address_description+0x60/0x2d0
[ 69.213946][ T4182] ? qd_unlock+0x30/0x2d0
[ 69.218378][ T4182] kasan_report+0xdf/0x130
[ 69.222943][ T4182] ? qd_unlock+0x30/0x2d0
[ 69.227305][ T4182] kasan_check_range+0x235/0x290
[ 69.232372][ T4182] qd_unlock+0x30/0x2d0
[ 69.236961][ T4182] gfs2_quota_sync+0x5cf/0x700
[ 69.242022][ T4182] gfs2_sync_fs+0x48/0xb0
[ 69.246385][ T4182] sync_filesystem+0xe6/0x220
[ 69.251087][ T4182] generic_shutdown_super+0x6b/0x300
[ 69.256814][ T4182] kill_block_super+0x7c/0xe0
[ 69.261861][ T4182] deactivate_locked_super+0x93/0xf0
[ 69.267177][ T4182] cleanup_mnt+0x42d/0x4e0
[ 69.271874][ T4182] ? lockdep_hardirqs_on+0x94/0x140
[ 69.277320][ T4182] task_work_run+0x125/0x1a0
[ 69.282077][ T4182] do_exit+0x626/0x20c0
[ 69.286679][ T4182] ? put_task_struct+0x80/0x80
[ 69.291785][ T4182] ? lock_chain_count+0x20/0x20
[ 69.297281][ T4182] do_group_exit+0x12e/0x300
[ 69.302551][ T4182] __x64_sys_exit_group+0x3b/0x40
[ 69.308125][ T4182] do_syscall_64+0x4c/0xa0
[ 69.312891][ T4182] ? clear_bhb_loop+0x30/0x80
[ 69.317762][ T4182] ? clear_bhb_loop+0x30/0x80
[ 69.322608][ T4182] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 69.328889][ T4182] RIP: 0033:0x7fd5bb81d7a5
[ 69.333450][ T4182] Code: Unable to access opcode bytes at RIP 0x7fd5bb81d77b.
[ 69.341277][ T4182] RSP: 002b:00007ffe40d3dc88 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7
[ 69.350123][ T4182] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd5bb81d7a5
[ 69.358482][ T4182] RDX: 00000000000000e7 RSI: ffffffffffffffd0 RDI: 0000000000000001
[ 69.366728][ T4182] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 69.376172][ T4182] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000001
[ 69.384473][ T4182] R13: 00007fd5bb8d0130 R14: 00007fd5bb8d37a8 R15: 00007fd5bb8d37c0
[ 69.393085][ T4182]
[ 69.396217][ T4182]
[ 69.398638][ T4182] Allocated by task 4182:
[ 69.403541][ T4182] __kasan_slab_alloc+0x9c/0xd0
[ 69.408960][ T4182] slab_post_alloc_hook+0x4c/0x380
[ 69.415105][ T4182] kmem_cache_alloc+0x100/0x290
[ 69.420206][ T4182] qd_alloc+0x50/0x260
[ 69.424799][ T4182] gfs2_quota_init+0x74e/0xea0
[ 69.429690][ T4182] gfs2_make_fs_rw+0x414/0x580
[ 69.434683][ T4182] gfs2_fill_super+0x1837/0x1f00
[ 69.440013][ T4182] get_tree_bdev+0x3f1/0x610
[ 69.444737][ T4182] gfs2_get_tree+0x4d/0x1e0
[ 69.449341][ T4182] vfs_get_tree+0x88/0x270
[ 69.454141][ T4182] do_new_mount+0x24a/0xa40
[ 69.458766][ T4182] __se_sys_mount+0x2e3/0x3d0
[ 69.463461][ T4182] do_syscall_64+0x4c/0xa0
[ 69.468074][ T4182] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 69.474412][ T4182]
[ 69.476983][ T4182] Freed by task 3549:
[ 69.481139][ T4182] kasan_set_track+0x4b/0x70
[ 69.485864][ T4182] kasan_set_free_info+0x1f/0x40
[ 69.490827][ T4182] ____kasan_slab_free+0xd5/0x110
[ 69.496166][ T4182] slab_free_freelist_hook+0xea/0x170
[ 69.501664][ T4182] kmem_cache_free+0x8f/0x210
[ 69.506721][ T4182] rcu_core+0x9d2/0x1670
[ 69.511099][ T4182] handle_softirqs+0x339/0x830
[ 69.515967][ T4182] __irq_exit_rcu+0x13b/0x230
[ 69.520789][ T4182] irq_exit_rcu+0x5/0x20
[ 69.525139][ T4182] sysvec_apic_timer_interrupt+0x52/0xc0
[ 69.531221][ T4182] asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 69.537221][ T4182]
[ 69.539561][ T4182] Last potentially related work creation:
[ 69.546253][ T4182] kasan_save_stack+0x35/0x60
[ 69.551367][ T4182] kasan_record_aux_stack+0xb8/0x100
[ 69.557349][ T4182] call_rcu+0x189/0x950
[ 69.562204][ T4182] gfs2_quota_cleanup+0x43c/0x6a0
[ 69.568745][ T4182] gfs2_make_fs_ro+0x440/0x620
[ 69.574046][ T4182] gfs2_withdraw+0x610/0x1490
[ 69.578843][ T4182] gfs2_inode_refresh+0xb64/0xff0
[ 69.584144][ T4182] inode_go_lock+0x127/0x470
[ 69.589174][ T4182] do_promote+0x741/0xab0
[ 69.593706][ T4182] finish_xmote+0x4df/0xb00
[ 69.598497][ T4182] do_xmote+0x7b6/0x1120
[ 69.602817][ T4182] gfs2_glock_nq+0xc7a/0x1550
[ 69.607814][ T4182] do_sync+0x4ab/0xc40
[ 69.611911][ T4182] gfs2_quota_sync+0x32c/0x700
[ 69.617204][ T4182] gfs2_sync_fs+0x48/0xb0
[ 69.621930][ T4182] sync_filesystem+0xe6/0x220
[ 69.626713][ T4182] generic_shutdown_super+0x6b/0x300
[ 69.632259][ T4182] kill_block_super+0x7c/0xe0
[ 69.637166][ T4182] deactivate_locked_super+0x93/0xf0
[ 69.642528][ T4182] cleanup_mnt+0x42d/0x4e0
[ 69.647058][ T4182] task_work_run+0x125/0x1a0
[ 69.651835][ T4182] do_exit+0x626/0x20c0
[ 69.656102][ T4182] do_group_exit+0x12e/0x300
[ 69.660804][ T4182] __x64_sys_exit_group+0x3b/0x40
[ 69.667021][ T4182] do_syscall_64+0x4c/0xa0
[ 69.672834][ T4182] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 69.680027][ T4182]
[ 69.682376][ T4182] The buggy address belongs to the object at ffff88807059e000
[ 69.682376][ T4182] which belongs to the cache gfs2_quotad of size 272
[ 69.697897][ T4182] The buggy address is located 144 bytes inside of
[ 69.697897][ T4182] 272-byte region [ffff88807059e000, ffff88807059e110)
[ 69.712134][ T4182] The buggy address belongs to the page:
[ 69.718167][ T4182] page:ffffea0001c16780 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7059e
[ 69.728549][ T4182] flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff)
[ 69.736415][ T4182] raw: 00fff00000000200 0000000000000000 dead000000000122 ffff88801e7bf500
[ 69.745793][ T4182] raw: 0000000000000000 00000000800c000c 00000001ffffffff 0000000000000000
[ 69.754956][ T4182] page dumped because: kasan: bad access detected
[ 69.761603][ T4182] page_owner tracks the page as allocated
[ 69.767505][ T4182] page last allocated via order 0, migratetype Reclaimable, gfp_mask 0x12c50(GFP_NOFS|__GFP_NOWARN|__GFP_NORETRY|__GFP_RECLAIMABLE), pid 4182, ts 68326906601, free_ts 25901400923
[ 69.785594][ T4182] get_page_from_freelist+0x1bbd/0x1ca0
[ 69.791352][ T4182] __alloc_pages+0x1ee/0x480
[ 69.796125][ T4182] new_slab+0xc0/0x4b0
[ 69.800662][ T4182] ___slab_alloc+0x80a/0xdd0
[ 69.805281][ T4182] kmem_cache_alloc+0x195/0x290
[ 69.810444][ T4182] qd_alloc+0x50/0x260
[ 69.814544][ T4182] gfs2_quota_init+0x74e/0xea0
[ 69.819602][ T4182] gfs2_make_fs_rw+0x414/0x580
[ 69.824478][ T4182] gfs2_fill_super+0x1837/0x1f00
[ 69.829456][ T4182] get_tree_bdev+0x3f1/0x610
[ 69.834172][ T4182] gfs2_get_tree+0x4d/0x1e0
[ 69.838700][ T4182] vfs_get_tree+0x88/0x270
[ 69.843168][ T4182] do_new_mount+0x24a/0xa40
[ 69.847869][ T4182] __se_sys_mount+0x2e3/0x3d0
[ 69.852763][ T4182] do_syscall_64+0x4c/0xa0
[ 69.857777][ T4182] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 69.863950][ T4182] page last free stack trace:
[ 69.868724][ T4182] free_unref_page_prepare+0x637/0x6c0
[ 69.874518][ T4182] free_unref_page+0x8f/0x2a0
[ 69.879498][ T4182] free_contig_range+0x96/0xf0
[ 69.885119][ T4182] destroy_args+0xf0/0xa00
[ 69.889793][ T4182] debug_vm_pgtable+0x321/0x380
[ 69.894859][ T4182] do_one_initcall+0x272/0x730
[ 69.899636][ T4182] do_initcall_level+0x137/0x1f0
[ 69.904589][ T4182] do_initcalls+0x4b/0x90
[ 69.909032][ T4182] kernel_init_freeable+0x3e9/0x570
[ 69.914593][ T4182] kernel_init+0x19/0x1b0
[ 69.919263][ T4182] ret_from_fork+0x1f/0x30
[ 69.923710][ T4182]
[ 69.926064][ T4182] Memory state around the buggy address:
[ 69.932453][ T4182] ffff88807059df80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 69.940937][ T4182] ffff88807059e000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 69.949513][ T4182] >ffff88807059e080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 69.957849][ T4182] ^
[ 69.962536][ T4182] ffff88807059e100: fb fb fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 69.970783][ T4182] ffff88807059e180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 69.979069][ T4182] ==================================================================
[ 69.987681][ T4182] Disabling lock debugging due to kernel taint
[ 69.994973][ T4182] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 70.002438][ T4182] CPU: 0 PID: 4182 Comm: syz-executor128 Tainted: G B syzkaller #0
[ 70.012127][ T4182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 70.022842][ T4182] Call Trace:
[ 70.026254][ T4182]
[ 70.029478][ T4182] dump_stack_lvl+0x188/0x250
[ 70.036170][ T4182] ? show_regs_print_info+0x20/0x20
[ 70.042693][ T4182] ? load_image+0x400/0x400
[ 70.047548][ T4182] panic+0x2e5/0x810
[ 70.051818][ T4182] ? bpf_jit_dump+0xd0/0xd0
[ 70.056555][ T4182] ? _raw_spin_unlock_irqrestore+0x10d/0x120
[ 70.063748][ T4182] ? _raw_spin_unlock+0x40/0x40
[ 70.068825][ T4182] ? qd_unlock+0x30/0x2d0
[ 70.073837][ T4182] check_panic_on_warn+0x80/0xa0
[ 70.079287][ T4182] ? qd_unlock+0x30/0x2d0
[ 70.083664][ T4182] end_report+0x6d/0xf0
[ 70.088563][ T4182] kasan_report+0x102/0x130
[ 70.093548][ T4182] ? qd_unlock+0x30/0x2d0
[ 70.098434][ T4182] kasan_check_range+0x235/0x290
[ 70.103879][ T4182] qd_unlock+0x30/0x2d0
[ 70.108350][ T4182] gfs2_quota_sync+0x5cf/0x700
[ 70.113681][ T4182] gfs2_sync_fs+0x48/0xb0
[ 70.118324][ T4182] sync_filesystem+0xe6/0x220
[ 70.123485][ T4182] generic_shutdown_super+0x6b/0x300
[ 70.129108][ T4182] kill_block_super+0x7c/0xe0
[ 70.134102][ T4182] deactivate_locked_super+0x93/0xf0
[ 70.139492][ T4182] cleanup_mnt+0x42d/0x4e0
[ 70.143931][ T4182] ? lockdep_hardirqs_on+0x94/0x140
[ 70.149637][ T4182] task_work_run+0x125/0x1a0
[ 70.154329][ T4182] do_exit+0x626/0x20c0
[ 70.158991][ T4182] ? put_task_struct+0x80/0x80
[ 70.163867][ T4182] ? lock_chain_count+0x20/0x20
[ 70.169011][ T4182] do_group_exit+0x12e/0x300
[ 70.173628][ T4182] __x64_sys_exit_group+0x3b/0x40
[ 70.178701][ T4182] do_syscall_64+0x4c/0xa0
[ 70.183295][ T4182] ? clear_bhb_loop+0x30/0x80
[ 70.188535][ T4182] ? clear_bhb_loop+0x30/0x80
[ 70.193677][ T4182] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 70.201189][ T4182] RIP: 0033:0x7fd5bb81d7a5
[ 70.206181][ T4182] Code: Unable to access opcode bytes at RIP 0x7fd5bb81d77b.
[ 70.215308][ T4182] RSP: 002b:00007ffe40d3dc88 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7
[ 70.223746][ T4182] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd5bb81d7a5
[ 70.232170][ T4182] RDX: 00000000000000e7 RSI: ffffffffffffffd0 RDI: 0000000000000001
[ 70.240509][ T4182] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 70.248996][ T4182] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000001
[ 70.258001][ T4182] R13: 00007fd5bb8d0130 R14: 00007fd5bb8d37a8 R15: 00007fd5bb8d37c0
[ 70.266611][ T4182]
[ 70.270179][ T4182] Kernel Offset: disabled
[ 70.275052][ T4182] Rebooting in 86400 seconds..