last executing test programs:
kernel console output (not intermixed with test programs):
Warning: Permanently added '10.128.0.117' (ED25519) to the list of known hosts.
[ 91.871311][ T5809] cgroup: Unknown subsys name 'net'
[ 92.085712][ T5809] cgroup: Unknown subsys name 'cpuset'
[ 92.147633][ T5809] cgroup: Unknown subsys name 'rlimit'
[ 92.150581][ T5155] BUG: sleeping function ca[ 92.150581][ T5155] BUG: sleeping function called from invalid context at fs/jbd2/commit.c:1071
[ 92.150595][ T5155] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 5155, name: jbd2/sda1-8
[ 92.150604][ T5155] preempt_count: 0, expected: 0
[ 92.150608][ T5155] RCU nest depth: 2, expected: 1
[ 92.150619][ T5155] 3 locks held by jbd2/sda1-8/5155:
[ 92.150625][ T5155] #0: ffffffff8dfc80c0 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1e0/0x400
[ 92.150668][ T5155] #1: ffff888036ea4920 (&journal->j_list_lock){+.+.}-{3:3}, at: jbd2_journal_commit_transaction+0x3ad1/0x5b20
[ 92.150697][ T5155] #2: ffffffff8dfc80c0 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1e0/0x400
[ 92.150738][ T5155] CPU: 0 UID: 0 PID: 5155 Comm: jbd2/sda1-8 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 92.150750][ T5155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 92.150762][ T5155] Call Trace:
[ 92.150766][ T5155]
[ 92.150772][ T5155] dump_stack_lvl+0xe8/0x150
[ 92.150790][ T5155] __might_resched+0x329/0x480
[ 92.150801][ T5155] ? jbd_lock_bh_journal_head+0x18/0x110
[ 92.150819][ T5155] jbd2_journal_commit_transaction+0x3f59/0x5b20
[ 92.150855][ T5155] ? __pfx_jbd2_journal_commit_transaction+0x10/0x10
[ 92.150875][ T5155] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 92.150885][ T5155] ? do_raw_spin_lock+0x12b/0x2f0
[ 92.150905][ T5155] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 92.150916][ T5155] ? lockdep_hardirqs_on+0x7a/0x110
[ 92.150928][ T5155] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 92.150940][ T5155] ? __timer_delete_sync+0x53e/0x610
[ 92.150954][ T5155] kjournald2+0x3e0/0x760
[ 92.150965][ T5155] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 92.150987][ T5155] ? __pfx_kjournald2+0x10/0x10
[ 92.150997][ T5155] ? __pfx_autoremove_wake_function+0x10/0x10
[ 92.151010][ T5155] ? __kthread_parkme+0x7a/0x1f0
[ 92.151025][ T5155] kthread+0x388/0x470
[ 92.151037][ T5155] ? __pfx_kjournald2+0x10/0x10
[ 92.151046][ T5155] ? __pfx_kthread+0x10/0x10
[ 92.151058][ T5155] ret_from_fork+0x514/0xb70
[ 92.151070][ T5155] ? __pfx_ret_from_fork+0x10/0x10
[ 92.151080][ T5155] ? __switch_to+0xc79/0x1410
[ 92.151103][ T5155] ? __pfx_kthread+0x10/0x10
[ 92.151115][ T5155] ret_from_fork_asm+0x1a/0x30
[ 92.151140][ T5155]
[ 92.165969][ T5155] ------------[ cut here ]------------
[ 92.165983][ T5155] Voluntary context switch within RCU read-side critical section!
[ 92.165998][ T5155] WARNING: kernel/rcu/tree_plugin.h:332 at rcu_note_context_switch+0xcac/0xf40, CPU#0: jbd2/sda1-8/5155
[ 92.166035][ T5155] Modules linked in:
[ 92.166064][ T5155] CPU: 0 UID: 0 PID: 5155 Comm: jbd2/sda1-8 Tainted: G W syzkaller #0 PREEMPT_{RT,(full)}
[ 92.166088][ T5155] Tainted: [W]=WARN
[ 92.166094][ T5155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 92.166105][ T5155] RIP: 0010:rcu_note_context_switch+0xcac/0xf40
[ 92.166125][ T5155] Code: 00 41 c6 45 00 00 48 8b 3d a1 20 e1 0d 48 81 c4 b8 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d e9 bb 5f ff ff 48 8d 3d a4 e2 e4 0d <67> 48 0f b9 3a e9 1b f4 ff ff 90 0f 0b 90 45 84 e4 0f 84 ea f3 ff
[ 92.166140][ T5155] RSP: 0018:ffffc90010177930 EFLAGS: 00010002
[ 92.166155][ T5155] RAX: 0000000000000000 RBX: ffff888036ec5c40 RCX: 0000000080000002
[ 92.166167][ T5155] RDX: 0000000000000000 RSI: ffffffff8ba74040 RDI: ffffffff8f8f3dd0
[ 92.166178][ T5155] RBP: dffffc0000000000 R08: ffffffff8f8bcef7 R09: 1ffffffff1f179de
[ 92.166191][ T5155] R10: dffffc0000000000 R11: fffffbfff1f179df R12: 0000000000000000
[ 92.166203][ T5155] R13: dffffc0000000000 R14: ffff8880b883c800 R15: ffff888036ec6104
[ 92.166216][ T5155] FS: 0000000000000000(0000) GS:ffff8881260fb000(0000) knlGS:0000000000000000
[ 92.166230][ T5155] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 92.166242][ T5155] CR2: 000055557df50340 CR3: 0000000011b24000 CR4: 00000000003526f0
[ 92.166258][ T5155] Call Trace:
[ 92.166265][ T5155]
[ 92.166279][ T5155] ? __lock_acquire+0x6b5/0x2cf0
[ 92.166308][ T5155] ? rcu_is_watching+0x15/0xb0
[ 92.166341][ T5155] __schedule+0x291/0x54c0
[ 92.166365][ T5155] ? __lock_acquire+0x6b5/0x2cf0
[ 92.166389][ T5155] ? do_raw_spin_lock+0x12b/0x2f0
[ 92.166421][ T5155] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 92.166447][ T5155] ? __pfx___schedule+0x10/0x10
[ 92.166477][ T5155] ? schedule+0x90/0x360
[ 92.166498][ T5155] schedule+0x164/0x360
[ 92.166520][ T5155] kjournald2+0x410/0x760
[ 92.166538][ T5155] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 92.166579][ T5155] ? __pfx_kjournald2+0x10/0x10
[ 92.166596][ T5155] ? __pfx_autoremove_wake_function+0x10/0x10
[ 92.166617][ T5155] ? __kthread_parkme+0x7a/0x1f0
[ 92.166645][ T5155] kthread+0x388/0x470
[ 92.166668][ T5155] ? __pfx_kjournald2+0x10/0x10
[ 92.166683][ T5155] ? __pfx_kthread+0x10/0x10
[ 92.166706][ T5155] ret_from_fork+0x514/0xb70
[ 92.166728][ T5155] ? __pfx_ret_from_fork+0x10/0x10
[ 92.166746][ T5155] ? __switch_to+0xc79/0x1410
[ 92.166774][ T5155] ? __pfx_kthread+0x10/0x10
[ 92.166797][ T5155] ret_from_fork_asm+0x1a/0x30
[ 92.166835][ T5155]
[ 92.166844][ T5155] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 92.166859][ T5155] CPU: 0 UID: 0 PID: 5155 Comm: jbd2/sda1-8 Tainted: G W syzkaller #0 PREEMPT_{RT,(full)}
[ 92.166883][ T5155] Tainted: [W]=WARN
[ 92.166889][ T5155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 92.166898][ T5155] Call Trace:
[ 92.166905][ T5155]
[ 92.166912][ T5155] vpanic+0x56c/0xa60
[ 92.166931][ T5155] ? __pfx__printk+0x10/0x10
[ 92.166952][ T5155] ? __pfx_vpanic+0x10/0x10
[ 92.166967][ T5155] ? is_bpf_text_address+0x292/0x2b0
[ 92.166988][ T5155] ? is_bpf_text_address+0x26/0x2b0
[ 92.167019][ T5155] panic+0xc5/0xd0
[ 92.167037][ T5155] ? __pfx_panic+0x10/0x10
[ 92.167143][ T5155] ? ret_from_fork_asm+0x1a/0x30
[ 92.167168][ T5155] __warn+0x315/0x4c0
[ 92.167185][ T5155] ? rcu_note_context_switch+0xcac/0xf40
[ 92.167206][ T5155] ? rcu_note_context_switch+0xcac/0xf40
[ 92.167227][ T5155] __report_bug+0x29a/0x540
[ 92.167255][ T5155] ? rcu_note_context_switch+0xcac/0xf40
[ 92.167274][ T5155] ? __pfx___report_bug+0x10/0x10
[ 92.167300][ T5155] ? lockdep_hardirqs_on+0x7a/0x110
[ 92.167322][ T5155] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 92.167343][ T5155] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 92.167371][ T5155] ? rt_spin_lock+0x1e0/0x400
[ 92.167400][ T5155] report_bug_entry+0x19a/0x290
[ 92.167422][ T5155] ? rcu_note_context_switch+0xcac/0xf40
[ 92.167440][ T5155] ? rcu_note_context_switch+0xcb1/0xf40
[ 92.167458][ T5155] handle_bug+0xce/0x200
[ 92.167483][ T5155] exc_invalid_op+0x1a/0x50
[ 92.167506][ T5155] asm_exc_invalid_op+0x1a/0x20
[ 92.167525][ T5155] RIP: 0010:rcu_note_context_switch+0xcac/0xf40
[ 92.167545][ T5155] Code: 00 41 c6 45 00 00 48 8b 3d a1 20 e1 0d 48 81 c4 b8 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d e9 bb 5f ff ff 48 8d 3d a4 e2 e4 0d <67> 48 0f b9 3a e9 1b f4 ff ff 90 0f 0b 90 45 84 e4 0f 84 ea f3 ff
[ 92.167559][ T5155] RSP: 0018:ffffc90010177930 EFLAGS: 00010002
[ 92.167574][ T5155] RAX: 0000000000000000 RBX: ffff888036ec5c40 RCX: 0000000080000002
[ 92.167587][ T5155] RDX: 0000000000000000 RSI: ffffffff8ba74040 RDI: ffffffff8f8f3dd0
[ 92.167599][ T5155] RBP: dffffc0000000000 R08: ffffffff8f8bcef7 R09: 1ffffffff1f179de
[ 92.167611][ T5155] R10: dffffc0000000000 R11: fffffbfff1f179df R12: 0000000000000000
[ 92.167623][ T5155] R13: dffffc0000000000 R14: ffff8880b883c800 R15: ffff888036ec6104
[ 92.167661][ T5155] ? __lock_acquire+0x6b5/0x2cf0
[ 92.167689][ T5155] ? rcu_is_watching+0x15/0xb0
[ 92.167717][ T5155] __schedule+0x291/0x54c0
[ 92.167740][ T5155] ? __lock_acquire+0x6b5/0x2cf0
[ 92.167765][ T5155] ? do_raw_spin_lock+0x12b/0x2f0
[ 92.167797][ T5155] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 92.167822][ T5155] ? __pfx___schedule+0x10/0x10
[ 92.167852][ T5155] ? schedule+0x90/0x360
[ 92.167876][ T5155] schedule+0x164/0x360
[ 92.167898][ T5155] kjournald2+0x410/0x760
[ 92.167914][ T5155] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 92.167954][ T5155] ? __pfx_kjournald2+0x10/0x10
[ 92.167972][ T5155] ? __pfx_autoremove_wake_function+0x10/0x10
[ 92.167995][ T5155] ? __kthread_parkme+0x7a/0x1f0
[ 92.168024][ T5155] kthread+0x388/0x470
[ 92.168044][ T5155] ? __pfx_kjournald2+0x10/0x10
[ 92.168065][ T5155] ? __pfx_kthread+0x10/0x10
[ 92.168087][ T5155] ret_from_fork+0x514/0xb70
[ 92.168109][ T5155] ? __pfx_ret_from_fork+0x10/0x10
[ 92.168127][ T5155] ? __switch_to+0xc79/0x1410
[ 92.168153][ T5155] ? __pfx_kthread+0x10/0x10
[ 92.168176][ T5155] ret_from_fork_asm+0x1a/0x30
[ 92.168214][ T5155]
[ 92.168735][ T5155] Kernel Offset: disabled