last executing test programs:
kernel console output (not intermixed with test programs):
Warning: Permanently added '10.128.0.217' (ED25519) to the list of known hosts.
Stopping sshd: stopped /usr/sbin/sshd (pid 5576)
OK
Stopping crond: stopped /usr/sbin/crond (pid 5562)
OK
Stopping dhcpcd...
stopped /sbin/dhcpcd (pid 5483)
Stopping network: OK
Stopping iptables: modprobe: can't change directory to 'syzkaller': No such file or directory
iptables v1.8.11 (legacy): can't initialize iptables table `filter': Table does not exist (do you need to insmod?)
Perhaps iptables or your kernel needs to be upgraded.
FAIL
Stopping system message bus: done
[ 81.322055][ T5809] cgroup: Unknown subsys name 'net'
Stopping klogd: [ 81.577293][ T5809] cgroup: Unknown subsys name 'cpuset'
OK
[ 81.658158][ T5809] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
Stopping acpid: OK
Stopping syslogd: stopped /sbin/syslogd (pid 5171)
OK
[ 83.298912][ T5809] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:323
[ 83.298927][ T5809] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 5809, name: syz-executor
[ 83.298938][ T5809] preempt_count: 0, expected: 0
[ 83.298945][ T5809] RCU nest depth: 1, expected: 0
[ 83.298958][ T5809] 3 locks held by syz-executor/5809:
[ 83.298965][ T5809] #0: ffff888025b9e458 (&ima_iint_mutex_key[depth]){+.+.}-{4:4}, at: process_measurement+0x7fd/0x1c90
[ 83.299037][ T5809] #1: ffff8880406185f0 (mapping.invalidate_lock#2){++++}-{4:4}, at: page_cache_ra_order+0x2a5/0x490
[ 83.299084][ T5809] #2: ffffffff8dfc80c0 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1e0/0x400
[ 83.299144][ T5809] CPU: 0 UID: 0 PID: 5809 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 83.299160][ T5809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 83.299174][ T5809] Call Trace:
[ 83.299182][ T5809]
[ 83.299189][ T5809] dump_stack_lvl+0xe8/0x150
[ 83.299206][ T5809] __might_resched+0x329/0x480
[ 83.299223][ T5809] ? __folio_batch_add_and_move+0x639/0xa90
[ 83.299241][ T5809] prepare_alloc_pages+0x1f0/0x6b0
[ 83.299270][ T5809] __alloc_frozen_pages_noprof+0x12f/0x380
[ 83.299296][ T5809] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[ 83.299322][ T5809] ? __pfx_policy_nodemask+0x10/0x10
[ 83.299344][ T5809] ? lockdep_hardirqs_on+0x7a/0x110
[ 83.299368][ T5809] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 83.299386][ T5809] alloc_pages_mpol+0xd1/0x380
[ 83.299421][ T5809] alloc_pages_noprof+0xd2/0x2f0
[ 83.299444][ T5809] folio_alloc_noprof+0x22/0xc0
[ 83.299465][ T5809] filemap_alloc_folio_noprof+0x111/0x4d0
[ 83.299488][ T5809] ? xa_load+0x60/0x210
[ 83.299508][ T5809] ? __pfx_filemap_alloc_folio_noprof+0x10/0x10
[ 83.299529][ T5809] ? xa_load+0x1db/0x210
[ 83.299553][ T5809] page_cache_ra_unbounded+0x2f7/0x980
[ 83.299584][ T5809] page_cache_ra_order+0x2b5/0x490
[ 83.299610][ T5809] filemap_get_pages+0x832/0x1e70
[ 83.299628][ T5809] ? seqcount_lockdep_reader_access+0xa9/0x100
[ 83.299658][ T5809] ? __pfx_filemap_get_pages+0x10/0x10
[ 83.299675][ T5809] ? atime_needs_update+0x575/0x6d0
[ 83.299705][ T5809] filemap_read+0x44a/0x1240
[ 83.299731][ T5809] ? __pfx_filemap_read+0x10/0x10
[ 83.299760][ T5809] ? generic_file_read_iter+0x8f/0x520
[ 83.299775][ T5809] ? ext4_file_read_iter+0x187/0x670
[ 83.299795][ T5809] ? iov_iter_kvec+0xb8/0x180
[ 83.299817][ T5809] __kernel_read+0x50d/0x9c0
[ 83.299840][ T5809] ? __pfx___kernel_read+0x10/0x10
[ 83.299874][ T5809] integrity_kernel_read+0x89/0xd0
[ 83.299889][ T5809] ? __pfx_integrity_kernel_read+0x10/0x10
[ 83.299904][ T5809] ? kernel_fpu_end+0x79/0xa0
[ 83.299928][ T5809] ima_calc_file_hash+0x452/0x870
[ 83.299945][ T5809] ? is_bpf_text_address+0x26/0x2b0
[ 83.299966][ T5809] ? __pfx_ima_calc_file_hash+0x10/0x10
[ 83.299983][ T5809] ? is_bpf_text_address+0x26/0x2b0
[ 83.300025][ T5809] ? ext4_file_getattr+0x1e2/0x310
[ 83.300045][ T5809] ima_collect_measurement+0x523/0x9d0
[ 83.300071][ T5809] ? __pfx_ima_collect_measurement+0x10/0x10
[ 83.300089][ T5809] ? ext4_xattr_ibody_get+0xe9/0x4c0
[ 83.300134][ T5809] ? __pfx_ima_get_hash_algo+0x10/0x10
[ 83.300156][ T5809] process_measurement+0x12d9/0x1c90
[ 83.300184][ T5809] ? __pfx_process_measurement+0x10/0x10
[ 83.300223][ T5809] ? __pfx_ext4_file_open+0x10/0x10
[ 83.300254][ T5809] ima_file_check+0xe1/0x130
[ 83.300271][ T5809] ? do_dentry_open+0xd5a/0x13e0
[ 83.300290][ T5809] ? __pfx_ima_file_check+0x10/0x10
[ 83.300312][ T5809] security_file_post_open+0xb3/0x260
[ 83.300334][ T5809] path_openat+0x2e88/0x38a0
[ 83.300377][ T5809] ? __pfx_path_openat+0x10/0x10
[ 83.300402][ T5809] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 83.300422][ T5809] ? lockdep_hardirqs_on+0x7a/0x110
[ 83.300440][ T5809] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 83.300460][ T5809] ? stack_depot_save_flags+0x3f3/0x810
[ 83.300485][ T5809] do_file_open+0x23e/0x4a0
[ 83.300508][ T5809] ? __pfx_do_file_open+0x10/0x10
[ 83.300542][ T5809] ? __might_fault+0xaf/0x130
[ 83.300562][ T5809] ? build_open_flags+0x44a/0x5b0
[ 83.300582][ T5809] file_open_name+0x162/0x1c0
[ 83.300599][ T5809] ? __pfx_file_open_name+0x10/0x10
[ 83.300619][ T5809] ? do_getname+0x151/0x250
[ 83.300634][ T5809] __se_sys_swapon+0x856/0x2010
[ 83.300665][ T5809] ? __pfx___se_sys_swapon+0x10/0x10
[ 83.300690][ T5809] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 83.300704][ T5809] do_syscall_64+0x15f/0xf80
[ 83.300723][ T5809] ? trace_irq_disable+0x3b/0x140
[ 83.300739][ T5809] ? clear_bhb_loop+0x40/0x90
[ 83.300755][ T5809] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 83.300769][ T5809] RIP: 0033:0x7f4a4d9cc7d7
[ 83.300784][ T5809] Code: 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a7 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 83.300795][ T5809] RSP: 002b:00007ffc336ba3b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a7
[ 83.300808][ T5809] RAX: ffff[ 83.300808][ T5809] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f4a4d9cc7d7
[ 83.300818][ T5809] RDX: 0000000000000000 RSI: 0000000000008000 RDI: 00007f4a4da62e5b
[ 83.300826][ T5809] RBP: 00007f4a4da62e5b R08: 0000000000000000 R09: 0000000000000000
[ 83.300834][ T5809] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f4a4dc163e0
[ 83.300843][ T5809] R13: 00007f4a4da7dd26 R14: 0000000000200000 R15: 00007f4a4dc163a0
[ 83.300863][ T5809]
[ 83.316863][ T5809]
[ 83.316888][ T5809] =============================
[ 83.316900][ T5809] [ BUG: Invalid wait context ]
[ 83.316927][ T5809] syzkaller #0 Tainted: G W
[ 83.316954][ T5809] -----------------------------
[ 83.316965][ T5809] syz-executor/5809 is trying to lock:
[ 83.316991][ T5809] ffff8880406185f0 (mapping.invalidate_lock#2){++++}-{4:4}, at: page_cache_ra_order+0x2a5/0x490
[ 83.317155][ T5809] other info that might help us debug this:
[ 83.317173][ T5809] context-{5:5}
[ 83.317191][ T5809] 2 locks held by syz-executor/5809:
[ 83.317219][ T5809] #0: ffff888025b9e458 (&ima_iint_mutex_key[depth]){+.+.}-{4:4}, at: process_measurement+0x7fd/0x1c90
[ 83.317343][ T5809] #1: ffffffff8dfc80c0 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1e0/0x400
[ 83.317460][ T5809] stack backtrace:
[ 83.317489][ T5809] CPU: 0 UID: 0 PID: 5809 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT_{RT,(full)}
[ 83.317523][ T5809] Tainted: [W]=WARN
[ 83.317529][ T5809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 83.317555][ T5809] Call Trace:
[ 83.317562][ T5809]
[ 83.317588][ T5809] dump_stack_lvl+0xe8/0x150
[ 83.317660][ T5809] __lock_acquire+0xec1/0x2cf0
[ 83.317744][ T5809] ? blk_finish_plug+0x5d/0x80
[ 83.317815][ T5809] ? page_cache_ra_order+0x2a5/0x490
[ 83.317888][ T5809] lock_acquire+0x106/0x350
[ 83.317943][ T5809] ? page_cache_ra_order+0x2a5/0x490
[ 83.318024][ T5809] ? __might_resched+0x37/0x480
[ 83.318073][ T5809] down_read+0x97/0x200
[ 83.318149][ T5809] ? page_cache_ra_order+0x2a5/0x490
[ 83.318216][ T5809] ? __pfx_down_read+0x10/0x10
[ 83.318296][ T5809] page_cache_ra_order+0x2a5/0x490
[ 83.318371][ T5809] filemap_get_pages+0x832/0x1e70
[ 83.318426][ T5809] ? seqcount_lockdep_reader_access+0xa9/0x100
[ 83.318506][ T5809] ? __pfx_filemap_get_pages+0x10/0x10
[ 83.318555][ T5809] ? atime_needs_update+0x575/0x6d0
[ 83.318642][ T5809] filemap_read+0x44a/0x1240
[ 83.318707][ T5809] ? __pfx_filemap_read+0x10/0x10
[ 83.318773][ T5809] ? generic_file_read_iter+0x8f/0x520
[ 83.318819][ T5809] ? ext4_file_read_iter+0x187/0x670
[ 83.318890][ T5809] ? iov_iter_kvec+0xb8/0x180
[ 83.318996][ T5809] __kernel_read+0x50d/0x9c0
[ 83.319104][ T5809] ? __pfx___kernel_read+0x10/0x10
[ 83.319211][ T5809] integrity_kernel_read+0x89/0xd0
[ 83.319267][ T5809] ? __pfx_integrity_kernel_read+0x10/0x10
[ 83.319329][ T5809] ? kernel_fpu_end+0x79/0xa0
[ 83.319406][ T5809] ima_calc_file_hash+0x452/0x870
[ 83.319468][ T5809] ? is_bpf_text_address+0x26/0x2b0
[ 83.319553][ T5809] ? __pfx_ima_calc_file_hash+0x10/0x10
[ 83.319613][ T5809] ? is_bpf_text_address+0x26/0x2b0
[ 83.319723][ T5809] ? ext4_file_getattr+0x1e2/0x310
[ 83.319784][ T5809] ima_collect_measurement+0x523/0x9d0
[ 83.319858][ T5809] ? __pfx_ima_collect_measurement+0x10/0x10
[ 83.319923][ T5809] ? ext4_xattr_ibody_get+0xe9/0x4c0
[ 83.320008][ T5809] ? __pfx_ima_get_hash_algo+0x10/0x10
[ 83.320072][ T5809] process_measurement+0x12d9/0x1c90
[ 83.320153][ T5809] ? __pfx_process_measurement+0x10/0x10
[ 83.320234][ T5809] ? __pfx_ext4_file_open+0x10/0x10
[ 83.320317][ T5809] ima_file_check+0xe1/0x130
[ 83.320367][ T5809] ? do_dentry_open+0xd5a/0x13e0
[ 83.320415][ T5809] ? __pfx_ima_file_check+0x10/0x10
[ 83.320495][ T5809] security_file_post_open+0xb3/0x260
[ 83.320572][ T5809] path_openat+0x2e88/0x38a0
[ 83.320671][ T5809] ? __pfx_path_openat+0x10/0x10
[ 83.320745][ T5809] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 83.320816][ T5809] ? lockdep_hardirqs_on+0x7a/0x110
[ 83.320879][ T5809] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 83.320945][ T5809] ? stack_depot_save_flags+0x3f3/0x810
[ 83.321024][ T5809] do_file_open+0x23e/0x4a0
[ 83.321112][ T5809] ? __pfx_do_file_open+0x10/0x10
[ 83.321202][ T5809] ? __might_fault+0xaf/0x130
[ 83.321267][ T5809] ? build_open_flags+0x44a/0x5b0
[ 83.321326][ T5809] file_open_name+0x162/0x1c0
[ 83.321377][ T5809] ? __pfx_file_open_name+0x10/0x10
[ 83.321438][ T5809] ? do_getname+0x151/0x250
[ 83.321485][ T5809] __se_sys_swapon+0x856/0x2010
[ 83.321573][ T5809] ? __pfx___se_sys_swapon+0x10/0x10
[ 83.321635][ T5809] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 83.321687][ T5809] do_syscall_64+0x15f/0xf80
[ 83.321739][ T5809] ? trace_irq_disable+0x3b/0x140
[ 83.321804][ T5809] ? clear_bhb_loop+0x40/0x90
[ 83.321873][ T5809] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 83.321925][ T5809] RIP: 0033:0x7f4a4d9cc7d7
[ 83.321978][ T5809] Code: 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a7 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 83.322004][ T5809] RSP: 002b:00007ffc336ba3b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a7
[ 83.322051][ T5809] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f4a4d9cc7d7
[ 83.322087][ T5809] RDX: 0000000000000000 RSI: 0000000000008000 RDI: 00007f4a4da62e5b
[ 83.322123][ T5809] RBP: 00007f4a4da62e5b R08: 0000000000000000 R09: 0000000000000000
[ 83.322157][ T5809] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f4a4dc163e0
[ 83.322185][ T5809] R13: 00007f4a4da7dd26 R14: 0000000000200000 R15: 00007f4a4dc163a0
[ 83.322238][ T5809]
[ 83.827818][ T5809] ------------[ cut here ]------------
[ 83.827829][ T5809] Voluntary context switch within RCU read-side critical section!
[ 83.827838][ T5809] WARNING: kernel/rcu/tree_plugin.h:332 at rcu_note_context_switch+0xcac/0xf40, CPU#0: syz-executor/5809
[ 83.827872][ T5809] Modules linked in:
[ 83.827888][ T5809] CPU: 0 UID: 0 PID: 5809 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT_{RT,(full)}
[ 83.827910][ T5809] Tainted: [W]=WARN
[ 83.827915][ T5809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 83.827925][ T5809] RIP: 0010:rcu_note_context_switch+0xcac/0xf40
[ 83.827945][ T5809] Code: 00 41 c6 45 00 00 48 8b 3d 81 5e e2 0d 48 81 c4 b8 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d e9 9b 60 ff ff 48 8d 3d f4 26 e6 0d <67> 48 0f b9 3a e9 1b f4 ff ff 90 0f 0b 90 45 84 e4 0f 84 ea f3 ff
[ 83.827958][ T5809] RSP: 0018:ffffc900043b6fb0 EFLAGS: 00010002
[ 83.827972][ T5809] RAX: 0000000000000000 RBX: ffff88803906bd80 RCX: 0000000080000002
[ 83.827983][ T5809] RDX: 0000000000000000 RSI: ffffffff8ba83740 RDI: ffffffff8f907b60
[ 83.827994][ T5809] RBP: dffffc0000000000 R08: ffffffff8f8d05f7 R09: 1ffffffff1f1a0be
[ 83.828005][ T5809] R10: dffffc0000000000 R11: fffffbfff1f1a0bf R12: 0000000000000000
[ 83.828016][ T5809] R13: ffff88803906bd80 R14: ffff8880b883c980 R15: ffff88803906c244
[ 83.828028][ T5809] FS: 0000555571f48540(0000) GS:ffff8881260c2000(0000) knlGS:0000000000000000
[ 83.828043][ T5809] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 83.828054][ T5809] CR2: 00007f64ae81e7b8 CR3: 000000001a1e4000 CR4: 00000000003526f0
[ 83.828068][ T5809] Call Trace:
[ 83.828074][ T5809]
[ 83.828080][ T5809] ? do_raw_spin_lock+0x12b/0x2f0
[ 83.828098][ T5809] ? rcu_is_watching+0x15/0xb0
[ 83.828145][ T5809] ? rcu_is_watching+0x15/0xb0
[ 83.828189][ T5809] ? rcu_is_watching+0x15/0xb0
[ 83.828216][ T5809] __schedule+0x297/0x54f0
[ 83.828241][ T5809] ? rcu_is_watching+0x15/0xb0
[ 83.828267][ T5809] ? do_raw_spin_lock+0x12b/0x2f0
[ 83.828296][ T5809] ? rcu_is_watching+0x15/0xb0
[ 83.828324][ T5809] ? rcu_is_watching+0x15/0xb0
[ 83.828355][ T5809] ? __pfx___schedule+0x10/0x10
[ 83.828377][ T5809] ? schedule+0x90/0x360
[ 83.828398][ T5809] ? rcu_is_watching+0x15/0xb0
[ 83.828424][ T5809] ? rcu_is_watching+0x15/0xb0
[ 83.828449][ T5809] ? lock_release+0x4b/0x3c0
[ 83.828475][ T5809] schedule+0x164/0x360
[ 83.828497][ T5809] schedule_timeout+0x158/0x2c0
[ 83.828522][ T5809] ? __pfx_schedule_timeout+0x10/0x10
[ 83.828544][ T5809] ? __pfx_process_timeout+0x10/0x10
[ 83.828565][ T5809] ? do_raw_spin_lock+0x12b/0x2f0
[ 83.828587][ T5809] io_schedule_timeout+0x88/0xe0
[ 83.828613][ T5809] wait_for_common_io+0x2d7/0x610
[ 83.828641][ T5809] ? wait_for_common_io+0x26d/0x610
[ 83.828666][ T5809] ? __pfx_wait_for_common_io+0x10/0x10
[ 83.828696][ T5809] submit_bio_wait+0x16d/0x250
[ 83.828714][ T5809] ? __pfx_submit_bio_wait+0x10/0x10
[ 83.828735][ T5809] ? bio_init+0x160/0x2e0
[ 83.828761][ T5809] blkdev_issue_flush+0xe0/0x150
[ 83.828780][ T5809] ? __pfx_blkdev_issue_flush+0x10/0x10
[ 83.828800][ T5809] ? __pfx_bio_wait_end_io+0x10/0x10
[ 83.828820][ T5809] ? rt_read_unlock+0x16d/0x220
[ 83.828841][ T5809] ? jbd2_trans_will_send_data_barrier+0x299/0x3a0
[ 83.828866][ T5809] ? ext4_sync_file+0x54c/0xd60
[ 83.828884][ T5809] ext4_sync_file+0x8b6/0xd60
[ 83.828903][ T5809] ? __pfx_ext4_sync_file+0x10/0x10
[ 83.828927][ T5809] ? __pfx_path_openat+0x10/0x10
[ 83.828962][ T5809] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 83.828987][ T5809] ? lockdep_hardirqs_on+0x7a/0x110
[ 83.829012][ T5809] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 83.829038][ T5809] ? stack_depot_save_flags+0x3f3/0x810
[ 83.829066][ T5809] ? vfs_fsync+0xb1/0x140
[ 83.829093][ T5809] iomap_swapfile_activate+0x1e4/0xbe0
[ 83.829119][ T5809] ? __pfx_iomap_swapfile_activate+0x10/0x10
[ 83.829145][ T5809] ? __pfx_filemap_get_entry+0x10/0x10
[ 83.829182][ T5809] ? read_swap_header+0x1b/0x720
[ 83.829211][ T5809] setup_swap_extents+0x176/0x640
[ 83.829242][ T5809] __se_sys_swapon+0xdc9/0x2010
[ 83.829273][ T5809] ? __pfx___se_sys_swapon+0x10/0x10
[ 83.829308][ T5809] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 83.829327][ T5809] do_syscall_64+0x15f/0xf80
[ 83.829352][ T5809] ? trace_irq_disable+0x3b/0x140
[ 83.829372][ T5809] ? clear_bhb_loop+0x40/0x90
[ 83.829392][ T5809] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 83.829409][ T5809] RIP: 0033:0x7f4a4d9cc7d7
[ 83.829424][ T5809] Code: 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a7 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 83.829438][ T5809] RSP: 002b:00007ffc336ba3b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a7
[ 83.829455][ T5809] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f4a4d9cc7d7
[ 83.829467][ T5809] RDX: 0000000000000000 RSI: 0000000000008000 RDI: 00007f4a4da62e5b
[ 83.829478][ T5809] RBP: 00007f4a4da62e5b R08: 0000000000000000 R09: 0000000000000000
[ 83.829489][ T5809] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f4a4dc163e0
[ 83.829500][ T5809] R13: 00007f4a4da7dd26 R14: 0000000000200000 R15: 00007f4a4dc163a0
[ 83.829519][ T5809]
[ 83.829529][ T5809] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 83.829543][ T5809] CPU: 0 UID: 0 PID: 5809 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT_{RT,(full)}
[ 83.829567][ T5809] Tainted: [W]=WARN
[ 83.829573][ T5809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 83.829583][ T5809] Call Trace:
[ 83.829589][ T5809]
[ 83.829596][ T5809] vpanic+0x56c/0xa60
[ 83.829616][ T5809] ? __pfx__printk+0x10/0x10
[ 83.829639][ T5809] ? __pfx_vpanic+0x10/0x10
[ 83.829658][ T5809] ? is_bpf_text_address+0x292/0x2b0
[ 83.829681][ T5809] ? is_bpf_text_address+0x26/0x2b0
[ 83.829708][ T5809] panic+0xc5/0xd0
[ 83.829726][ T5809] ? __pfx_panic+0x10/0x10
[ 83.829752][ T5809] __warn+0x315/0x4c0
[ 83.829770][ T5809] ? rcu_note_context_switch+0xcac/0xf40
[ 83.829791][ T5809] ? rcu_note_context_switch+0xcac/0xf40
[ 83.829812][ T5809] __report_bug+0x29a/0x540
[ 83.829838][ T5809] ? rcu_note_context_switch+0xcac/0xf40
[ 83.829858][ T5809] ? __pfx___report_bug+0x10/0x10
[ 83.829885][ T5809] ? rcu_is_watching+0x15/0xb0
[ 83.829913][ T5809] report_bug_entry+0x19a/0x290
[ 83.829937][ T5809] ? rcu_note_context_switch+0xcac/0xf40
[ 83.829957][ T5809] ? rcu_note_context_switch+0xcb1/0xf40
[ 83.829976][ T5809] handle_bug+0xce/0x200
[ 83.829992][ T5809] exc_invalid_op+0x1a/0x50
[ 83.830008][ T5809] asm_exc_invalid_op+0x1a/0x20
[ 83.830024][ T5809] RIP: 0010:rcu_note_context_switch+0xcac/0xf40
[ 83.830048][ T5809] Code: 00 41 c6 45 00 00 48 8b 3d 81 5e e2 0d 48 81 c4 b8 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d e9 9b 60 ff ff 48 8d 3d f4 26 e6 0d <67> 48 0f b9 3a e9 1b f4 ff ff 90 0f 0b 90 45 84 e4 0f 84 ea f3 ff
[ 83.830062][ T5809] RSP: 0018:ffffc900043b6fb0 EFLAGS: 00010002
[ 83.830076][ T5809] RAX: 0000000000000000 RBX: ffff88803906bd80 RCX: 0000000080000002
[ 83.830088][ T5809] RDX: 0000000000000000 RSI: ffffffff8ba83740 RDI: ffffffff8f907b60
[ 83.830101][ T5809] RBP: dffffc0000000000 R08: ffffffff8f8d05f7 R09: 1ffffffff1f1a0be
[ 83.830114][ T5809] R10: dffffc0000000000 R11: fffffbfff1f1a0bf R12: 0000000000000000
[ 83.830126][ T5809] R13: ffff88803906bd80 R14: ffff8880b883c980 R15: ffff88803906c244
[ 83.830146][ T5809] ? do_raw_spin_lock+0x12b/0x2f0
[ 83.830164][ T5809] ? rcu_is_watching+0x15/0xb0
[ 83.830191][ T5809] ? rcu_is_watching+0x15/0xb0
[ 83.830218][ T5809] ? rcu_is_watching+0x15/0xb0
[ 83.830245][ T5809] __schedule+0x297/0x54f0
[ 83.830269][ T5809] ? rcu_is_watching+0x15/0xb0
[ 83.830301][ T5809] ? do_raw_spin_lock+0x12b/0x2f0
[ 83.830321][ T5809] ? rcu_is_watching+0x15/0xb0
[ 83.830349][ T5809] ? rcu_is_watching+0x15/0xb0
[ 83.830377][ T5809] ? __pfx___schedule+0x10/0x10
[ 83.830398][ T5809] ? schedule+0x90/0x360
[ 83.830419][ T5809] ? rcu_is_watching+0x15/0xb0
[ 83.830445][ T5809] ? rcu_is_watching+0x15/0xb0
[ 83.830471][ T5809] ? lock_release+0x4b/0x3c0
[ 83.830495][ T5809] schedule+0x164/0x360
[ 83.830518][ T5809] schedule_timeout+0x158/0x2c0
[ 83.830542][ T5809] ? __pfx_schedule_timeout+0x10/0x10
[ 83.830564][ T5809] ? __pfx_process_timeout+0x10/0x10
[ 83.830585][ T5809] ? do_raw_spin_lock+0x12b/0x2f0
[ 83.830607][ T5809] io_schedule_timeout+0x88/0xe0
[ 83.830632][ T5809] wait_for_common_io+0x2d7/0x610
[ 83.830660][ T5809] ? wait_for_common_io+0x26d/0x610
[ 83.830686][ T5809] ? __pfx_wait_for_common_io+0x10/0x10
[ 83.830716][ T5809] submit_bio_wait+0x16d/0x250
[ 83.830732][ T5809] ? __pfx_submit_bio_wait+0x10/0x10
[ 83.830753][ T5809] ? bio_init+0x160/0x2e0
[ 83.830779][ T5809] blkdev_issue_flush+0xe0/0x150
[ 83.830797][ T5809] ? __pfx_blkdev_issue_flush+0x10/0x10
[ 83.830818][ T5809] ? __pfx_bio_wait_end_io+0x10/0x10
[ 83.830838][ T5809] ? rt_read_unlock+0x16d/0x220
[ 83.830860][ T5809] ? jbd2_trans_will_send_data_barrier+0x299/0x3a0
[ 83.830883][ T5809] ? ext4_sync_file+0x54c/0xd60
[ 83.830900][ T5809] ext4_sync_file+0x8b6/0xd60
[ 83.830920][ T5809] ? __pfx_ext4_sync_file+0x10/0x10
[ 83.830944][ T5809] ? __pfx_path_openat+0x10/0x10
[ 83.830973][ T5809] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 83.830998][ T5809] ? lockdep_hardirqs_on+0x7a/0x110
[ 83.831022][ T5809] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 83.831049][ T5809] ? stack_depot_save_flags+0x3f3/0x810
[ 83.831075][ T5809] ? vfs_fsync+0xb1/0x140
[ 83.831101][ T5809] iomap_swapfile_activate+0x1e4/0xbe0
[ 83.831122][ T5809] ? __pfx_iomap_swapfile_activate+0x10/0x10
[ 83.831148][ T5809] ? __pfx_filemap_get_entry+0x10/0x10
[ 83.831183][ T5809] ? read_swap_header+0x1b/0x720
[ 83.831212][ T5809] setup_swap_extents+0x176/0x640
[ 83.831242][ T5809] __se_sys_swapon+0xdc9/0x2010
[ 83.831274][ T5809] ? __pfx___se_sys_swapon+0x10/0x10
[ 83.831308][ T5809] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 83.831326][ T5809] do_syscall_64+0x15f/0xf80
[ 83.831351][ T5809] ? trace_irq_disable+0x3b/0x140
[ 83.831370][ T5809] ? clear_bhb_loop+0x40/0x90
[ 83.831390][ T5809] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 83.831407][ T5809] RIP: 0033:0x7f4a4d9cc7d7
[ 83.831421][ T5809] Code: 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a7 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 83.831435][ T5809] RSP: 002b:00007ffc336ba3b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a7
[ 83.831451][ T5809] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f4a4d9cc7d7
[ 83.831464][ T5809] RDX: 0000000000000000 RSI: 0000000000008000 RDI: 00007f4a4da62e5b
[ 83.831475][ T5809] RBP: 00007f4a4da62e5b R08: 0000000000000000 R09: 0000000000000000
[ 83.831486][ T5809] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f4a4dc163e0
[ 83.831497][ T5809] R13: 00007f4a4da7dd26 R14: 0000000000200000 R15: 00007f4a4dc163a0
[ 83.831516][ T5809]
[ 83.832113][ T5809] Kernel Offset: disabled