Warning: Permanently added '10.128.10.33' (ED25519) to the list of known hosts. 2025/03/25 13:04:50 ignoring optional flag "sandboxArg"="0" 2025/03/25 13:04:50 parsed 1 programs [ 58.352625][ T3324] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 60.222263][ T3376] veth0_vlan: entered promiscuous mode 2025/03/25 13:04:53 executed programs: 0 [ 60.514262][ T3376] syz-executor (3376) used greatest stack depth: 10760 bytes left [ 60.595419][ T43] veth0_vlan: left promiscuous mode [ 63.647692][ T3641] veth0_vlan: entered promiscuous mode [ 63.810151][ T3633] veth0_vlan: entered promiscuous mode [ 63.891092][ T3637] veth0_vlan: entered promiscuous mode [ 63.919950][ T3636] veth0_vlan: entered promiscuous mode [ 63.979108][ T3643] veth0_vlan: entered promiscuous mode 2025/03/25 13:04:58 executed programs: 94 [ 65.564061][ T11] [ 65.566387][ T11] ====================================================== [ 65.573372][ T11] WARNING: possible circular locking dependency detected [ 65.580356][ T11] 6.14.0-rc7-syzkaller #0 Not tainted [ 65.585691][ T11] ------------------------------------------------------ [ 65.592760][ T11] kworker/0:1/11 is trying to acquire lock: [ 65.598714][ T11] ffff88812353ec10 (&htab->lockdep_key#87){....}-{2:2}, at: htab_lock_bucket+0x92/0x140 [ 65.608412][ T11] [ 65.608412][ T11] but task is already holding lock: [ 65.615741][ T11] ffff88812353e410 (&htab->lockdep_key#86){....}-{2:2}, at: htab_lock_bucket+0x92/0x140 [ 65.625592][ T11] [ 65.625592][ T11] which lock already depends on the new lock. [ 65.625592][ T11] [ 65.635957][ T11] [ 65.635957][ T11] the existing dependency chain (in reverse order) is: [ 65.645047][ T11] [ 65.645047][ T11] -> #1 (&htab->lockdep_key#86){....}-{2:2}: [ 65.653173][ T11] _raw_spin_lock+0x2e/0x40 [ 65.658181][ T11] htab_lock_bucket+0x92/0x140 [ 65.663528][ T11] htab_lru_map_delete_elem+0x9b/0x240 [ 65.669471][ T11] ___bpf_prog_run+0x5f6/0x2280 [ 65.674894][ T11] __bpf_prog_run32+0xbb/0xe0 [ 65.680054][ T11] bpf_trace_run2+0x106/0x200 [ 65.685225][ T11] __traceiter_contention_begin+0x2b/0x50 [ 65.691513][ T11] __pv_queued_spin_lock_slowpath+0x3f5/0x470 [ 65.698151][ T11] do_raw_spin_lock+0x9e/0xb0 [ 65.703322][ T11] htab_lock_bucket+0x92/0x140 [ 65.708663][ T11] htab_lru_map_delete_elem+0x9b/0x240 [ 65.714607][ T11] ___bpf_prog_run+0x5f6/0x2280 [ 65.719943][ T11] __bpf_prog_run32+0xbb/0xe0 [ 65.725112][ T11] bpf_trace_run2+0x106/0x200 [ 65.730621][ T11] __traceiter_contention_begin+0x2b/0x50 [ 65.736834][ T11] __mutex_lock+0x8b6/0xa40 [ 65.741843][ T11] tracepoint_probe_unregister+0x25/0x3a0 [ 65.748133][ T11] bpf_raw_tp_link_release+0x14/0x20 [ 65.753901][ T11] bpf_link_free+0x4c/0xe0 [ 65.758803][ T11] bpf_link_release+0x13/0x20 [ 65.763961][ T11] __fput+0x102/0x280 [ 65.768434][ T11] task_work_run+0x82/0xb0 [ 65.773336][ T11] syscall_exit_to_user_mode+0x120/0x2a0 [ 65.779453][ T11] do_syscall_64+0xad/0x1b0 [ 65.784441][ T11] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 65.790817][ T11] [ 65.790817][ T11] -> #0 (&htab->lockdep_key#87){....}-{2:2}: [ 65.798955][ T11] __lock_acquire+0x1236/0x2570 [ 65.804472][ T11] lock_acquire+0xeb/0x270 [ 65.809458][ T11] _raw_spin_lock+0x2e/0x40 [ 65.814445][ T11] htab_lock_bucket+0x92/0x140 [ 65.819699][ T11] htab_lru_map_delete_elem+0x9b/0x240 [ 65.825641][ T11] ___bpf_prog_run+0x5f6/0x2280 [ 65.830991][ T11] __bpf_prog_run32+0xbb/0xe0 [ 65.836168][ T11] bpf_trace_run2+0x106/0x200 [ 65.841334][ T11] __traceiter_contention_begin+0x2b/0x50 [ 65.847627][ T11] __pv_queued_spin_lock_slowpath+0x3f5/0x470 [ 65.854186][ T11] do_raw_spin_lock+0x9e/0xb0 [ 65.859347][ T11] htab_lock_bucket+0x92/0x140 [ 65.864598][ T11] htab_lru_map_delete_elem+0x9b/0x240 [ 65.870549][ T11] ___bpf_prog_run+0x5f6/0x2280 [ 65.875903][ T11] __bpf_prog_run32+0xbb/0xe0 [ 65.881162][ T11] bpf_trace_run2+0x106/0x200 [ 65.886328][ T11] __traceiter_contention_begin+0x2b/0x50 [ 65.892546][ T11] __mutex_lock+0x8b6/0xa40 [ 65.897536][ T11] _vm_unmap_aliases+0x54/0x340 [ 65.902872][ T11] vm_reset_perms+0xd2/0x120 [ 65.908056][ T11] vfree+0xe2/0xf0 [ 65.912277][ T11] process_scheduled_works+0x2d6/0x610 [ 65.918220][ T11] worker_thread+0x23e/0x2e0 [ 65.923292][ T11] kthread+0x1f6/0x210 [ 65.927986][ T11] ret_from_fork+0x32/0x40 [ 65.932895][ T11] ret_from_fork_asm+0x1a/0x30 [ 65.938159][ T11] [ 65.938159][ T11] other info that might help us debug this: [ 65.938159][ T11] [ 65.948364][ T11] Possible unsafe locking scenario: [ 65.948364][ T11] [ 65.956042][ T11] CPU0 CPU1 [ 65.961460][ T11] ---- ---- [ 65.966880][ T11] lock(&htab->lockdep_key#86); [ 65.971794][ T11] lock(&htab->lockdep_key#87); [ 65.979211][ T11] lock(&htab->lockdep_key#86); [ 65.986628][ T11] lock(&htab->lockdep_key#87); [ 65.991528][ T11] [ 65.991528][ T11] *** DEADLOCK *** [ 65.991528][ T11] [ 65.999637][ T11] 6 locks held by kworker/0:1/11: [ 66.004707][ T11] #0: ffff888100078748 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x271/0x610 [ 66.015603][ T11] #1: ffffc90000063e48 ((work_completion)(&aux->work)){+.+.}-{0:0}, at: process_scheduled_works+0x291/0x610 [ 66.027196][ T11] #2: ffffffff835c4098 (vmap_purge_lock){+.+.}-{4:4}, at: _vm_unmap_aliases+0x54/0x340 [ 66.036884][ T11] #3: ffffffff8358b418 (rcu_read_lock){....}-{1:3}, at: bpf_trace_run2+0x8d/0x200 [ 66.046129][ T11] #4: ffff88812353e410 (&htab->lockdep_key#86){....}-{2:2}, at: htab_lock_bucket+0x92/0x140 [ 66.056258][ T11] #5: ffffffff8358b418 (rcu_read_lock){....}-{1:3}, at: bpf_trace_run2+0x8d/0x200 [ 66.065517][ T11] [ 66.065517][ T11] stack backtrace: [ 66.071407][ T11] CPU: 0 UID: 0 PID: 11 Comm: kworker/0:1 Not tainted 6.14.0-rc7-syzkaller #0 [ 66.071411][ T11] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 66.071413][ T11] Workqueue: events bpf_prog_free_deferred [ 66.071423][ T11] Call Trace: [ 66.071426][ T11] [ 66.071428][ T11] dump_stack_lvl+0xa3/0x100 [ 66.071433][ T11] print_circular_bug+0x28d/0x2a0 [ 66.071437][ T11] check_noncircular+0x119/0x140 [ 66.071440][ T11] __lock_acquire+0x1236/0x2570 [ 66.071443][ T11] ? __lock_acquire+0x4e1/0x2570 [ 66.071446][ T11] ? htab_lock_bucket+0x92/0x140 [ 66.071449][ T11] lock_acquire+0xeb/0x270 [ 66.071451][ T11] ? htab_lock_bucket+0x92/0x140 [ 66.071454][ T11] ? __lock_acquire+0x4e1/0x2570 [ 66.071456][ T11] _raw_spin_lock+0x2e/0x40 [ 66.071461][ T11] ? htab_lock_bucket+0x92/0x140 [ 66.071462][ T11] htab_lock_bucket+0x92/0x140 [ 66.071465][ T11] htab_lru_map_delete_elem+0x9b/0x240 [ 66.071471][ T11] ? bpf_trace_run2+0x8d/0x200 [ 66.071474][ T11] ___bpf_prog_run+0x5f6/0x2280 [ 66.071478][ T11] ? bpf_trace_run2+0x8d/0x200 [ 66.071480][ T11] __bpf_prog_run32+0xbb/0xe0 [ 66.071484][ T11] ? bpf_trace_run2+0x8d/0x200 [ 66.071486][ T11] bpf_trace_run2+0x106/0x200 [ 66.071488][ T11] ? htab_lock_bucket+0x92/0x140 [ 66.071491][ T11] ? htab_lock_bucket+0x92/0x140 [ 66.071493][ T11] __traceiter_contention_begin+0x2b/0x50 [ 66.071497][ T11] __pv_queued_spin_lock_slowpath+0x3f5/0x470 [ 66.071502][ T11] do_raw_spin_lock+0x9e/0xb0 [ 66.071505][ T11] htab_lock_bucket+0x92/0x140 [ 66.071507][ T11] htab_lru_map_delete_elem+0x9b/0x240 [ 66.071511][ T11] ? bpf_trace_run2+0x8d/0x200 [ 66.071514][ T11] ___bpf_prog_run+0x5f6/0x2280 [ 66.071516][ T11] ? bpf_trace_run2+0x8d/0x200 [ 66.071518][ T11] __bpf_prog_run32+0xbb/0xe0 [ 66.071522][ T11] ? bpf_trace_run2+0x8d/0x200 [ 66.071524][ T11] bpf_trace_run2+0x106/0x200 [ 66.071527][ T11] ? _vm_unmap_aliases+0x54/0x340 [ 66.071531][ T11] __traceiter_contention_begin+0x2b/0x50 [ 66.071534][ T11] __mutex_lock+0x8b6/0xa40 [ 66.071538][ T11] _vm_unmap_aliases+0x54/0x340 [ 66.071542][ T11] vm_reset_perms+0xd2/0x120 [ 66.071545][ T11] ? process_scheduled_works+0x291/0x610 [ 66.071548][ T11] vfree+0xe2/0xf0 [ 66.071551][ T11] process_scheduled_works+0x2d6/0x610 [ 66.071554][ T11] worker_thread+0x23e/0x2e0 [ 66.071557][ T11] ? __pfx_worker_thread+0x10/0x10 [ 66.071559][ T11] kthread+0x1f6/0x210 [ 66.071563][ T11] ? lockdep_hardirqs_on+0x99/0x100 [ 66.071566][ T11] ? __pfx_kthread+0x10/0x10 [ 66.071569][ T11] ret_from_fork+0x32/0x40 [ 66.071573][ T11] ? __pfx_kthread+0x10/0x10 [ 66.071575][ T11] ret_from_fork_asm+0x1a/0x30 [ 66.071580][ T11] 2025/03/25 13:05:03 executed programs: 1311 2025/03/25 13:05:08 executed programs: 2800