Warning: Permanently added '10.128.0.103' (ED25519) to the list of known hosts. executing program the reproducer may not work as expected: 802154 injection setup failed: netlink_query_family_id failed [ 444.645722][ T27] INFO: task syz.3.26:7294 blocked for more than 143 seconds. [ 444.653199][ T27] Not tainted 6.1.130-syzkaller #0 [ 444.691266][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 444.735081][ T27] task:syz.3.26 state:D stack:13336 pid:7294 ppid:6874 flags:0x00004004 [ 444.744608][ T27] Call Trace: [ 444.748172][ T27] [ 444.751533][ T27] __schedule+0x5c3/0x1110 [ 444.756127][ T27] schedule+0x50/0xb0 [ 444.760103][ T27] schedule_preempt_disabled+0x2e/0x40 [ 444.766058][ T27] down_read+0x2df/0x430 [ 444.770366][ T27] user_get_super+0x7f/0xe0 [ 444.774968][ T27] __se_sys_quotactl+0x1fd/0x320 [ 444.780320][ T27] ? fpregs_restore_userregs+0x11/0xd0 [ 444.786072][ T27] do_syscall_64+0x3b/0x80 [ 444.826060][ T27] ? clear_bhb_loop+0x45/0xa0 [ 444.830775][ T27] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 444.914564][ T27] RIP: 0033:0x7f4ed0585d29 [ 444.952198][ T27] RSP: 002b:00007f4ed13dd038 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3 [ 445.023394][ T27] RAX: ffffffffffffffda RBX: 00007f4ed0775fa0 RCX: 00007f4ed0585d29 [ 445.091659][ T27] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: ffffffff80000801 [ 445.157763][ T27] RBP: 00007f4ed0601b08 R08: 0000000000000000 R09: 0000000000000000 [ 445.225131][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 445.293359][ T27] R13: 0000000000000000 R14: 00007f4ed0775fa0 R15: 00007ffe257340d8 [ 445.359802][ T27] [ 445.362869][ T27] [ 445.362869][ T27] Showing all locks held in the system: [ 445.449373][ T27] 2 locks held by kworker/u4:1/11: [ 445.454512][ T27] #0: ffff88813bd2be98 (&rq->__lock){....}-{2:2}, at: process_one_work+0x205/0x4b0 [ 445.570322][ T27] #1: ffff88813bd1b688 (&per_cpu_ptr(group->pcpu, cpu)->seq){....}-{0:0}, at: psi_task_switch+0x21c/0x270 [ 445.666781][ T27] 1 lock held by rcu_tasks_kthre/12: [ 445.672257][ T27] #0: ffffffff83573208 (rcu_tasks.tasks_gp_mutex){....}-{3:3}, at: rcu_tasks_kthread+0x98/0x450 [ 445.801598][ T27] 1 lock held by khungtaskd/27: [ 445.843822][ T27] #0: ffffffff835730e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x2c/0x100 [ 445.928132][ T27] 2 locks held by getty/1146: [ 445.932836][ T27] #0: ffff8881001e2898 (&tty->ldisc_sem){....}-{0:0}, at: tty_ldisc_ref_wait+0x1c/0x40 [ 446.048417][ T27] #1: ffffc90000bfb2f0 (&ldata->atomic_read_lock){....}-{3:3}, at: n_tty_read+0x1a2/0x6e0 [ 446.131154][ T27] 4 locks held by syz.3.16/3064: [ 446.173886][ T27] 5 locks held by syz.4.17/3487: [ 446.215772][ T27] 4 locks held by syz.5.18/3910: [ 446.220725][ T27] 4 locks held by syz.6.19/4332: [ 446.225650][ T27] 6 locks held by syz.7.20/4755: [ 446.338161][ T27] 4 locks held by syz.8.21/5179: [ 446.343188][ T27] 4 locks held by syz.9.22/5601: [ 446.421545][ T27] 4 locks held by syz.0.23/6025: [ 446.462087][ T27] 4 locks held by syz.1.24/6448: [ 446.503853][ T27] 4 locks held by syz.2.25/6870: [ 446.551143][ T27] 1 lock held by syz.3.26/7294: [ 446.590206][ T27] #0: ffff888103b930e0 (&type->s_umount_key#44){....}-{3:3}, at: user_get_super+0x7f/0xe0 [ 446.672355][ T27] 1 lock held by syz.4.27/7716: [ 446.712591][ T27] #0: ffff888105bd70e0 (&type->s_umount_key#44){....}-{3:3}, at: user_get_super+0x7f/0xe0 [ 446.796019][ T27] 1 lock held by syz.5.28/8138: [ 446.800892][ T27] #0: ffff8881133430e0 (&type->s_umount_key#44){....}-{3:3}, at: user_get_super+0x7f/0xe0 [ 446.918359][ T27] 1 lock held by syz.6.29/8560: [ 446.923222][ T27] #0: ffff88810f4b90e0 (&type->s_umount_key#44){....}-{3:3}, at: user_get_super+0x7f/0xe0 [ 447.039772][ T27] 1 lock held by syz.7.30/8982: [ 447.044731][ T27] #0: ffff8881456750e0 (&type->s_umount_key#44){....}-{3:3}, at: user_get_super+0x7f/0xe0 [ 447.165182][ T27] 1 lock held by syz-executor314/9139: [ 447.209976][ T27] #0: ffff88811ac290e0 (&type->s_umount_key#44){....}-{3:3}, at: user_get_super+0x7f/0xe0 [ 447.294181][ T27] 1 lock held by syz.8.31/9414: [ 447.334192][ T27] #0: ffff888118f140e0 (&type->s_umount_key#44){....}-{3:3}, at: user_get_super+0x7f/0xe0 [ 447.417322][ T27] [ 447.419680][ T27] ============================================= [ 447.419680][ T27] [ 447.506538][ T27] NMI backtrace for cpu 0 [ 447.510966][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 6.1.130-syzkaller #0 [ 447.519125][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 447.529177][ T27] Call Trace: [ 447.532539][ T27] [ 447.535478][ T27] dump_stack_lvl+0x7f/0xc2 [ 447.540095][ T27] nmi_cpu_backtrace+0x13e/0x160 [ 447.545038][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 447.551098][ T27] nmi_trigger_cpumask_backtrace+0xa5/0x160 [ 447.556999][ T27] watchdog+0x54d/0x570 [ 447.561148][ T27] ? watchdog+0xc9/0x570 [ 447.565445][ T27] ? hungtask_pm_notify+0x20/0x20 [ 447.570547][ T27] kthread+0xd1/0xe0 [ 447.574506][ T27] ? kthread_blkcg+0x30/0x30 [ 447.579157][ T27] ret_from_fork+0x1f/0x30 [ 447.583636][ T27] [ 447.586675][ T27] Sending NMI from CPU 0 to CPUs 1: [ 447.591872][ C1] NMI backtrace for cpu 1 [ 447.591876][ C1] CPU: 1 PID: 6025 Comm: syz.0.23 Not tainted 6.1.130-syzkaller #0 [ 447.591880][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 447.591882][ C1] RIP: 0010:cleanup_bitmap_list+0x9d/0x130 [ 447.591891][ C1] Code: c7 04 f8 00 00 00 00 49 8b 8d 60 06 00 00 49 8b 75 18 41 ff c6 48 8b 41 08 8b 00 ff c8 48 8d 3c f5 00 00 00 00 31 d2 48 f7 f7 c0 41 39 c6 73 9f 48 8b 45 08 4d 63 fe 4a 8b 1c f8 48 85 db 74 [ 447.591893][ C1] RSP: 0018:ffffc90003f079e0 EFLAGS: 00000246 [ 447.591897][ C1] RAX: 00000000000075ff RBX: 0000000000000000 RCX: ffff888119e4e000 [ 447.591899][ C1] RDX: 0000000000007fff RSI: 0000000000001000 RDI: 0000000000008000 [ 447.591901][ C1] RBP: ffffc90003f48308 R08: 0000000000010606 R09: 0000000000010607 [ 447.591903][ C1] R10: 0000000000000000 R11: 00000000000ec000 R12: ffff88811aed7400 [ 447.591905][ C1] R13: ffff88811ac29000 R14: 0000000000004b12 R15: 0000000000004b11 [ 447.591907][ C1] FS: 00007fee4104d6c0(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000 [ 447.591910][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 447.591912][ C1] CR2: 00007f7004c31866 CR3: 0000000119fb4000 CR4: 00000000003506e0 [ 447.591918][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 447.591920][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 447.591922][ C1] Call Trace: [ 447.591924][ C1] [ 447.591926][ C1] ? nmi_cpu_backtrace+0x108/0x160 [ 447.591932][ C1] ? nmi_cpu_backtrace_handler+0x8/0x10 [ 447.591936][ C1] ? nmi_handle+0x96/0x1b0 [ 447.591941][ C1] ? nmi_handle+0x25/0x1b0 [ 447.591944][ C1] ? cleanup_bitmap_list+0x9d/0x130 [ 447.591948][ C1] ? default_do_nmi+0x62/0x150 [ 447.591953][ C1] ? exc_nmi+0xa8/0x100 [ 447.591956][ C1] ? end_repeat_nmi+0x16/0x31 [ 447.591961][ C1] ? cleanup_bitmap_list+0x9d/0x130 [ 447.591965][ C1] ? cleanup_bitmap_list+0x9d/0x130 [ 447.591968][ C1] ? cleanup_bitmap_list+0x9d/0x130 [ 447.591971][ C1] [ 447.591972][ C1] [ 447.591974][ C1] flush_commit_list+0x4d5/0x6a0 [ 447.591978][ C1] do_journal_end+0xe76/0x1070 [ 447.591983][ C1] ? __mutex_unlock_slowpath+0x35/0x190 [ 447.591989][ C1] do_journal_begin_r+0x388/0x490 [ 447.591993][ C1] ? get_cached_acl+0x34/0xe0 [ 447.591998][ C1] journal_begin+0x6f/0x110 [ 447.592002][ C1] reiserfs_mkdir+0x172/0x320 [ 447.592010][ C1] reiserfs_xattr_init+0xbd/0x1f0 [ 447.592016][ C1] reiserfs_fill_super+0xb58/0xc10 [ 447.592021][ C1] mount_bdev+0x15d/0x1b0 [ 447.592026][ C1] ? reiserfs_kill_sb+0x80/0x80 [ 447.592028][ C1] legacy_get_tree+0x25/0x50 [ 447.592033][ C1] vfs_get_tree+0x1c/0x80 [ 447.592036][ C1] do_new_mount+0x15a/0x370 [ 447.592042][ C1] ? path_mount+0x8a/0x560 [ 447.592045][ C1] __se_sys_mount+0x14b/0x1b0 [ 447.592048][ C1] do_syscall_64+0x3b/0x80 [ 447.592051][ C1] ? clear_bhb_loop+0x45/0xa0 [ 447.592055][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 447.592058][ C1] RIP: 0033:0x7fee401874ca [ 447.592061][ C1] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 447.592064][ C1] RSP: 002b:00007fee4104ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 447.592067][ C1] RAX: ffffffffffffffda RBX: 00007fee4104cef0 RCX: 00007fee401874ca [ 447.592069][ C1] RDX: 0000000020001100 RSI: 00000000200001c0 RDI: 00007fee4104ceb0 [ 447.592071][ C1] RBP: 0000000020001100 R08: 00007fee4104cef0 R09: 0000000000000002 [ 447.592072][ C1] R10: 0000000000000002 R11: 0000000000000246 R12: 00000000200001c0 [ 447.592074][ C1] R13: 00007fee4104ceb0 R14: 000000000000110a R15: 0000000020000c80 [ 447.592077][ C1] [ 447.600512][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 447.608253][ T27] Kernel Offset: disabled [ 447.974175][ T27] Rebooting in 86400 seconds..