last executing test programs:
kernel console output (not intermixed with test programs):
[ 57.657578][ T40] audit: type=1400 audit(1776765268.500:59): avc: denied { write } for pid=5890 comm="sh" path="pipe:[4024]" dev="pipefs" ino=4024 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1
[ 57.668231][ T40] audit: type=1400 audit(1776765268.500:60): avc: denied { rlimitinh } for pid=5890 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 57.676934][ T40] audit: type=1400 audit(1776765268.500:61): avc: denied { siginh } for pid=5890 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
Warning: Permanently added '[localhost]:2913' (ED25519) to the list of known hosts.
[ 60.431940][ T40] audit: type=1400 audit(1776765271.290:62): avc: denied { name_bind } for pid=5932 comm="sshd-session" src=30000 scontext=system_u:system_r:sshd_t tcontext=system_u:object_r:unreserved_port_t tclass=tcp_socket permissive=1
[ 60.489004][ T40] audit: type=1400 audit(1776765271.340:63): avc: denied { execute } for pid=5933 comm="sh" name="syz-executor" dev="sda1" ino=2020 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:etc_runtime_t tclass=file permissive=1
[ 60.498689][ T40] audit: type=1400 audit(1776765271.340:64): avc: denied { execute_no_trans } for pid=5933 comm="sh" path="/syz-executor" dev="sda1" ino=2020 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:etc_runtime_t tclass=file permissive=1
[ 63.283117][ T40] audit: type=1400 audit(1776765274.140:65): avc: denied { mounton } for pid=5933 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2022 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1
[ 63.295172][ T40] audit: type=1400 audit(1776765274.150:66): avc: denied { mount } for pid=5933 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1
[ 63.302708][ T5933] cgroup: Unknown subsys name 'net'
[ 63.308988][ T40] audit: type=1400 audit(1776765274.160:67): avc: denied { unmount } for pid=5933 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1
[ 63.475151][ T5933] cgroup: Unknown subsys name 'cpuset'
[ 63.483242][ T5933] cgroup: Unknown subsys name 'rlimit'
[ 63.487668][ T5939]
[ 63.488772][ T5939] ================================================
[ 63.491270][ T5939] WARNING: lock held when returning to user space!
[ 63.493713][ T5939] syzkaller #0 Not tainted
[ 63.495575][ T5939] ------------------------------------------------
[ 63.498200][ T5939] sshd-session/5939 is leaving the kernel with locks still held!
[ 63.501699][ T5939] 1 lock held by sshd-session/5939:
[ 63.504149][ T5939] #0: ffffffff8e7e5460 (rcu_read_lock){....}-{1:3}, at: __pte_offset_map+0x2f/0x310
[ 63.508951][ T5939] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:323
[ 63.512477][ T5939] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 5939, name: sshd-session
[ 63.516232][ T5939] preempt_count: 0, expected: 0
[ 63.518249][ T5939] RCU nest depth: 1, expected: 0
[ 63.520407][ T5939] INFO: lockdep is turned off.
[ 63.522545][ T5939] CPU: 3 UID: 0 PID: 5939 Comm: sshd-session Not tainted syzkaller #0 PREEMPT(full)
[ 63.522567][ T5939] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 63.522666][ T5939] Call Trace:
[ 63.522827][ T5939]
[ 63.522833][ T5939] dump_stack_lvl+0x100/0x190
[ 63.522862][ T5939] __might_resched.cold+0x1ec/0x232
[ 63.522884][ T5939] ? __pfx___might_resched+0x10/0x10
[ 63.522907][ T5939] ? lock_release+0x245/0x310
[ 63.522928][ T5939] prepare_alloc_pages+0x44a/0x5f0
[ 63.522950][ T5939] __alloc_frozen_pages_noprof+0x19a/0x2bc0
[ 63.522974][ T5939] ? __pfx__prb_read_valid+0x10/0x10
[ 63.522995][ T5939] ? __asan_memcpy+0x3c/0x60
[ 63.523016][ T5939] ? record_print_text+0x310/0x3c0
[ 63.523037][ T5939] ? choose_idle_cpu+0x18d/0x270
[ 63.523055][ T5939] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[ 63.523078][ T5939] ? ttwu_queue_wakelist+0x2fd/0x450
[ 63.523101][ T5939] ? rcu_is_watching+0x12/0xc0
[ 63.523124][ T5939] ? ttwu_queue_wakelist+0x2fd/0x450
[ 63.523146][ T5939] ? trace_ipi_send_cpu.constprop.0+0x75/0x230
[ 63.523166][ T5939] ? __smp_call_single_queue+0x162/0x440
[ 63.523186][ T5939] ? do_raw_spin_lock+0x128/0x260
[ 63.523208][ T5939] ? __pfx_select_task_rq_fair+0x10/0x10
[ 63.523227][ T5939] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 63.523248][ T5939] ? try_to_wake_up+0x5ec/0x1900
[ 63.523262][ T5939] ? rcu_is_watching+0x12/0xc0
[ 63.523283][ T5939] ? try_to_wake_up+0x5ec/0x1900
[ 63.523296][ T5939] ? lock_release+0x245/0x310
[ 63.523314][ T5939] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 63.523333][ T5939] ? policy_nodemask+0xed/0x4f0
[ 63.523350][ T5939] alloc_pages_mpol+0x1fb/0x540
[ 63.523366][ T5939] ? __pfx_alloc_pages_mpol+0x10/0x10
[ 63.523384][ T5939] folio_alloc_mpol_noprof+0x36/0x260
[ 63.523409][ T5939] vma_alloc_folio_noprof+0xed/0x1d0
[ 63.523427][ T5939] ? __pfx_vma_alloc_folio_noprof+0x10/0x10
[ 63.523446][ T5939] ? do_raw_spin_lock+0x128/0x260
[ 63.523469][ T5939] ? __pfx_filemap_map_pages+0x10/0x10
[ 63.523491][ T5939] do_fault+0x1e6/0x1750
[ 63.523510][ T5939] __handle_mm_fault+0x187d/0x2a00
[ 63.523533][ T5939] ? __pfx___handle_mm_fault+0x10/0x10
[ 63.523559][ T5939] ? __pfx_vma_start_read+0x10/0x10
[ 63.523579][ T5939] ? rcu_is_watching+0x12/0xc0
[ 63.523610][ T5939] handle_mm_fault+0x36d/0xa20
[ 63.523632][ T5939] do_user_addr_fault+0x5a3/0x12f0
[ 63.523658][ T5939] exc_page_fault+0x6f/0xd0
[ 63.523680][ T5939] asm_exc_page_fault+0x26/0x30
[ 63.523697][ T5939] RIP: 0033:0x7fbb0d6688ec
[ 63.523714][ T5939] Code: 1f 80 00 00 00 00 48 8b 31 8b 51 08 4c 01 fe 48 83 fa 26 74 0a 48 83 fa 08 0f 85 ef 3c ff ff 48 8b 51 10 48 83 c1 18 4c 01 fa <48> 89 16 48 39 d9 72 d4 4d 8b 9a 08 02 00 00 4d 85 db 0f 84 ec 0b
[ 63.523729][ T5939] RSP: 002b:00007ffd2bde5450 EFLAGS: 00010202
[ 63.523829][ T5939] RAX: 00007fbb0ce14308 RBX: 00007fbb0cec90c0 RCX: 00007fbb0ce82f98
[ 63.523841][ T5939] RDX: 00007fbb0d1d4e92 RSI: 00007fbb0d2fd000 RDI: 00007fbb0cec9fc0
[ 63.523853][ T5939] RBP: 00007ffd2bde5570 R08: 00007fbb0cec9180 R09: 00007fbb0cec9fc0
[ 63.523864][ T5939] R10: 00007fbb0d652050 R11: 0000000000000000 R12: 00007ffd2bde5500
[ 63.523876][ T5939] R13: 00007ffd2bde5500 R14: 00007fbb0d652050 R15: 00007fbb0ce00000
[ 63.523892][ T5939]
[ 63.672055][ T5939] ------------[ cut here ]------------
[ 63.674707][ T5939] Voluntary context switch within RCU read-side critical section!
[ 63.674721][ T5939] WARNING: kernel/rcu/tree_plugin.h:332 at rcu_note_context_switch+0x859/0x19c0, CPU#3: sshd-session/5939
[ 63.682514][ T5939] Modules linked in:
[ 63.684170][ T5939] CPU: 3 UID: 0 PID: 5939 Comm: sshd-session Tainted: G W syzkaller #0 PREEMPT(full)
[ 63.688202][ T5939] Tainted: [W]=WARN
[ 63.689912][ T5939] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 63.695204][ T5939] RIP: 0010:rcu_note_context_switch+0x859/0x19c0
[ 63.697870][ T5939] Code: c1 ea 03 80 3c 02 00 0f 85 9b 0b 00 00 48 8b 53 28 b9 01 00 00 00 4c 89 ef e8 a3 cf fe ff e9 1d f9 ff ff 48 8d 3d 97 87 f0 0e <67> 48 0f b9 3a e9 99 f8 ff ff 48 b8 00 00 00 00 00 fc ff df 48 8d
[ 63.705219][ T5939] RSP: 0018:ffffc9000334f5b0 EFLAGS: 00010002
[ 63.707710][ T5939] RAX: 0000000000000001 RBX: ffff88806a73c280 RCX: ffffffff81eea731
[ 63.710778][ T5939] RDX: 0000000000000000 RSI: ffffffff8c1c1e80 RDI: ffffffff90dfa2f0
[ 63.714434][ T5939] RBP: ffff888024a7a500 R08: 0000000000000000 R09: fffffbfff21b81ca
[ 63.717697][ T5939] R10: ffffffff90dc0e57 R11: 0000000000000000 R12: 0000000000000000
[ 63.720922][ T5939] R13: ffff888024a7a9c4 R14: ffff88806a73b240 R15: ffffffff90dc41e4
[ 63.723692][ T5939] FS: 00007fbb0d451300(0000) GS:ffff8880d65e1000(0000) knlGS:0000000000000000
[ 63.727462][ T5939] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 63.730311][ T5939] CR2: 000055f36ce00204 CR3: 0000000035d8a000 CR4: 0000000000352ef0
[ 63.733882][ T5939] Call Trace:
[ 63.735332][ T5939]
[ 63.736593][ T5939] ? __schedule+0x32d5/0x6820
[ 63.738539][ T5939] ? rcu_is_watching+0x12/0xc0
[ 63.740555][ T5939] ? schedule+0xdd/0x390
[ 63.742192][ T5939] __schedule+0x276/0x6820
[ 63.743864][ T5939] ? delete_node+0x20a/0x8f0
[ 63.746297][ T5939] ? __might_resched+0x67/0x330
[ 63.748814][ T5939] ? __pfx___might_resched+0x10/0x10
[ 63.751203][ T5939] ? rcu_is_watching+0x12/0xc0
[ 63.753206][ T5939] ? __pfx___schedule+0x10/0x10
[ 63.755165][ T5939] ? rcu_is_watching+0x12/0xc0
[ 63.757116][ T5939] ? schedule+0x2bf/0x390
[ 63.758910][ T5939] ? lock_release+0x245/0x310
[ 63.760928][ T5939] schedule+0xdd/0x390
[ 63.762624][ T5939] schedule_hrtimeout_range_clock+0x2d0/0x310
[ 63.765178][ T5939] ? __pfx_schedule_hrtimeout_range_clock+0x10/0x10
[ 63.767889][ T5939] ? __pollwait+0x271/0x470
[ 63.769864][ T5939] ? _raw_spin_unlock_irqrestore+0x3b/0x80
[ 63.772851][ T5939] ? __pollwait+0x276/0x470
[ 63.775145][ T5939] poll_schedule_timeout.constprop.0+0xbe/0x1b0
[ 63.777445][ T5939] do_sys_poll+0x9a9/0xe90
[ 63.779153][ T5939] ? __pfx_do_sys_poll+0x10/0x10
[ 63.781222][ T5939] ? page_table_check_set+0x477/0x920
[ 63.783009][ T5939] ? rcu_is_watching+0x12/0xc0
[ 63.784894][ T5939] ? page_table_check_set+0x477/0x920
[ 63.787101][ T5939] ? free_swap_cache+0x93/0x490
[ 63.788789][ T5939] ? __pfx_pollwake+0x10/0x10
[ 63.790618][ T5939] ? __pfx_pollwake+0x10/0x10
[ 63.793015][ T5939] ? rcu_is_watching+0x12/0xc0
[ 63.795100][ T5939] ? count_memcg_events_mm.constprop.0+0xfa/0x2a0
[ 63.797965][ T5939] ? rcu_is_watching+0x12/0xc0
[ 63.799802][ T5939] ? count_memcg_events_mm.constprop.0+0xfa/0x2a0
[ 63.802133][ T5939] ? lock_release+0x245/0x310
[ 63.804164][ T5939] ? count_memcg_events_mm.constprop.0+0x109/0x2a0
[ 63.806816][ T5939] __x64_sys_poll+0x109/0x420
[ 63.808796][ T5939] ? __pfx___x64_sys_poll+0x10/0x10
[ 63.810891][ T5939] ? rcu_is_watching+0x12/0xc0
[ 63.812734][ T5939] do_syscall_64+0x10b/0xf80
[ 63.815245][ T5939] ? clear_bhb_loop+0x40/0x90
[ 63.817485][ T5939] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 63.819966][ T5939] RIP: 0033:0x7fbb0cca7407
[ 63.821557][ T5939] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
[ 63.829589][ T5939] RSP: 002b:00007ffd2bde51e0 EFLAGS: 00000202 ORIG_RAX: 0000000000000007
[ 63.832551][ T5939] RAX: ffffffffffffffda RBX: 00007fbb0d451300 RCX: 00007fbb0cca7407
[ 63.835769][ T5939] RDX: ffffffffffffffff RSI: 0000000000000002 RDI: 00007ffd2bde5250
[ 63.839044][ T5939] RBP: 000055f36ce00200 R08: 0000000000000000 R09: 0000000000000000
[ 63.841760][ T5939] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd2bde5250
[ 63.845757][ T5939] R13: 00007ffd2bde52c0 R14: 000055f392348500 R15: 0000000000000000
[ 63.849164][ T5939]
[ 63.850564][ T5939] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 63.853311][ T5939] CPU: 3 UID: 0 PID: 5939 Comm: sshd-session Tainted: G W syzkaller #0 PREEMPT(full)
[ 63.856799][ T5939] Tainted: [W]=WARN
[ 63.858404][ T5939] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 63.863050][ T5939] Call Trace:
[ 63.864163][ T5939]
[ 63.865143][ T5939] dump_stack_lvl+0x100/0x190
[ 63.866665][ T5939] vpanic+0x552/0x970
[ 63.868014][ T5939] ? __pfx_vpanic+0x10/0x10
[ 63.869550][ T5939] ? lock_release+0x245/0x310
[ 63.871135][ T5939] panic+0xd1/0xe0
[ 63.872344][ T5939] ? __pfx_panic+0x10/0x10
[ 63.873831][ T5939] ? check_panic_on_warn+0x1f/0x90
[ 63.875538][ T5939] check_panic_on_warn.cold+0x19/0x34
[ 63.877361][ T5939] ? rcu_note_context_switch+0x859/0x19c0
[ 63.879287][ T5939] __warn.cold+0x191/0x328
[ 63.880965][ T5939] __report_bug+0x296/0x3d0
[ 63.882563][ T5939] ? rcu_note_context_switch+0x859/0x19c0
[ 63.884861][ T5939] ? __pfx___report_bug+0x10/0x10
[ 63.886635][ T5939] ? is_bpf_text_address+0x8a/0x1a0
[ 63.888501][ T5939] ? trace_rcu_utilization+0x31/0x240
[ 63.890357][ T5939] ? __update_page_owner_handle+0x3c2/0x550
[ 63.892418][ T5939] ? rcu_is_watching+0x12/0xc0
[ 63.894234][ T5939] ? __update_page_owner_handle+0x3c2/0x550
[ 63.896407][ T5939] ? lock_release+0x245/0x310
[ 63.898063][ T5939] report_bug_entry+0xe1/0x290
[ 63.899819][ T5939] ? rcu_note_context_switch+0x859/0x19c0
[ 63.902188][ T5939] handle_bug+0x1cd/0x2a0
[ 63.903925][ T5939] exc_invalid_op+0x17/0x50
[ 63.905793][ T5939] asm_exc_invalid_op+0x1a/0x20
[ 63.907645][ T5939] RIP: 0010:rcu_note_context_switch+0x859/0x19c0
[ 63.909959][ T5939] Code: c1 ea 03 80 3c 02 00 0f 85 9b 0b 00 00 48 8b 53 28 b9 01 00 00 00 4c 89 ef e8 a3 cf fe ff e9 1d f9 ff ff 48 8d 3d 97 87 f0 0e <67> 48 0f b9 3a e9 99 f8 ff ff 48 b8 00 00 00 00 00 fc ff df 48 8d
[ 63.917032][ T5939] RSP: 0018:ffffc9000334f5b0 EFLAGS: 00010002
[ 63.918974][ T5939] RAX: 0000000000000001 RBX: ffff88806a73c280 RCX: ffffffff81eea731
[ 63.921564][ T5939] RDX: 0000000000000000 RSI: ffffffff8c1c1e80 RDI: ffffffff90dfa2f0
[ 63.924129][ T5939] RBP: ffff888024a7a500 R08: 0000000000000000 R09: fffffbfff21b81ca
[ 63.927436][ T5939] R10: ffffffff90dc0e57 R11: 0000000000000000 R12: 0000000000000000
[ 63.930647][ T5939] R13: ffff888024a7a9c4 R14: ffff88806a73b240 R15: ffffffff90dc41e4
[ 63.933635][ T5939] ? trace_rcu_utilization+0x31/0x240
[ 63.935421][ T5939] ? __schedule+0x32d5/0x6820
[ 63.937298][ T5939] ? rcu_is_watching+0x12/0xc0
[ 63.939212][ T5939] ? schedule+0xdd/0x390
[ 63.940997][ T5939] __schedule+0x276/0x6820
[ 63.942994][ T5939] ? delete_node+0x20a/0x8f0
[ 63.945076][ T5939] ? __might_resched+0x67/0x330
[ 63.947182][ T5939] ? __pfx___might_resched+0x10/0x10
[ 63.949324][ T5939] ? rcu_is_watching+0x12/0xc0
[ 63.950968][ T5939] ? __pfx___schedule+0x10/0x10
[ 63.952623][ T5939] ? rcu_is_watching+0x12/0xc0
[ 63.954330][ T5939] ? schedule+0x2bf/0x390
[ 63.956036][ T5939] ? lock_release+0x245/0x310
[ 63.957836][ T5939] schedule+0xdd/0x390
[ 63.959370][ T5939] schedule_hrtimeout_range_clock+0x2d0/0x310
[ 63.961353][ T5939] ? __pfx_schedule_hrtimeout_range_clock+0x10/0x10
[ 63.963384][ T5939] ? __pollwait+0x271/0x470
[ 63.964988][ T5939] ? _raw_spin_unlock_irqrestore+0x3b/0x80
[ 63.966836][ T5939] ? __pollwait+0x276/0x470
[ 63.968383][ T5939] poll_schedule_timeout.constprop.0+0xbe/0x1b0
[ 63.970707][ T5939] do_sys_poll+0x9a9/0xe90
[ 63.972482][ T5939] ? __pfx_do_sys_poll+0x10/0x10
[ 63.974387][ T5939] ? page_table_check_set+0x477/0x920
[ 63.976100][ T5939] ? rcu_is_watching+0x12/0xc0
[ 63.977599][ T5939] ? page_table_check_set+0x477/0x920
[ 63.979255][ T5939] ? free_swap_cache+0x93/0x490
[ 63.980868][ T5939] ? __pfx_pollwake+0x10/0x10
[ 63.982320][ T5939] ? __pfx_pollwake+0x10/0x10
[ 63.983884][ T5939] ? rcu_is_watching+0x12/0xc0
[ 63.985601][ T5939] ? count_memcg_events_mm.constprop.0+0xfa/0x2a0
[ 63.988462][ T5939] ? rcu_is_watching+0x12/0xc0
[ 63.990638][ T5939] ? count_memcg_events_mm.constprop.0+0xfa/0x2a0
[ 63.993754][ T5939] ? lock_release+0x245/0x310
[ 63.995959][ T5939] ? count_memcg_events_mm.constprop.0+0x109/0x2a0
[ 63.998692][ T5939] __x64_sys_poll+0x109/0x420
[ 64.000761][ T5939] ? __pfx___x64_sys_poll+0x10/0x10
[ 64.002694][ T5939] ? rcu_is_watching+0x12/0xc0
[ 64.004695][ T5939] do_syscall_64+0x10b/0xf80
[ 64.006728][ T5939] ? clear_bhb_loop+0x40/0x90
[ 64.008874][ T5939] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 64.011579][ T5939] RIP: 0033:0x7fbb0cca7407
[ 64.013202][ T5939] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
[ 64.020957][ T5939] RSP: 002b:00007ffd2bde51e0 EFLAGS: 00000202 ORIG_RAX: 0000000000000007
[ 64.024231][ T5939] RAX: ffffffffffffffda RBX: 00007fbb0d451300 RCX: 00007fbb0cca7407
[ 64.028395][ T5939] RDX: ffffffffffffffff RSI: 0000000000000002 RDI: 00007ffd2bde5250
[ 64.031614][ T5939] RBP: 000055f36ce00200 R08: 0000000000000000 R09: 0000000000000000
[ 64.034568][ T5939] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd2bde5250
[ 64.037656][ T5939] R13: 00007ffd2bde52c0 R14: 000055f392348500 R15: 0000000000000000
[ 64.040953][ T5939]
[ 64.043032][ T5939] Kernel Offset: disabled
[ 64.044553][ T5939] Rebooting in 86400 seconds..