last executing test programs: kernel console output (not intermixed with test programs): Warning: Permanently added '[localhost]:10801' (ED25519) to the list of known hosts. [ 47.876240][ T5648] cgroup: Unknown subsys name 'net' [ 48.045620][ T5648] cgroup: Unknown subsys name 'cpuset' [ 48.049586][ T5648] cgroup: Unknown subsys name 'rlimit' [ 48.201113][ T5685] ------------[ cut here ]------------ [ 48.203070][ T5685] debug_locks && !(rcu_read_lock_held() || lock_is_held(&(&cgroup_mutex)->dep_map)) [ 48.203079][ T5685] WARNING: ./include/linux/memcontrol.h:380 at __page_cache_release.part.0+0x1149/0x1440, CPU#1: dhcpcd-run-hook/5685 [ 48.209919][ T5685] Modules linked in: [ 48.211311][ T5685] CPU: 1 UID: 0 PID: 5685 Comm: dhcpcd-run-hook Not tainted syzkaller #0 PREEMPT(full) [ 48.214263][ T5685] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 48.217421][ T5685] RIP: 0010:__page_cache_release.part.0+0x1149/0x1440 [ 48.219687][ T5685] Code: 00 0f 85 b2 02 00 00 89 c6 31 ff 89 44 24 08 49 8b 2c 24 e8 29 a8 c0 ff 8b 44 24 08 85 c0 0f 85 34 fa ff ff e8 68 ad c0 ff 90 <0f> 0b 90 e9 26 fa ff ff e8 5a ad c0 ff 48 c7 c6 c0 a0 bd 8b 48 89 [ 48.226032][ T5685] RSP: 0018:ffffc900045af6f8 EFLAGS: 00010093 [ 48.227980][ T5685] RAX: 0000000000000000 RBX: ffffea00014fe100 RCX: ffffffff82472de7 [ 48.230516][ T5685] RDX: ffff888027be4a00 RSI: ffffffff82472df8 RDI: ffff888027be4a00 [ 48.232914][ T5685] RBP: ffff8880404a0048 R08: 0000000000000005 R09: 0000000000000000 [ 48.235379][ T5685] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc900045af7a8 [ 48.237871][ T5685] R13: ffffc900045af7c8 R14: ffff88801b8ffe00 R15: 00000000000000ff [ 48.240371][ T5685] FS: 0000000000000000(0000) GS:ffff888097280000(0000) knlGS:0000000000000000 [ 48.243196][ T5685] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.245321][ T5685] CR2: 00007f1d72d36368 CR3: 0000000052fd2000 CR4: 0000000000352ef0 [ 48.247816][ T5685] Call Trace: [ 48.248915][ T5685] [ 48.249891][ T5685] ? _raw_spin_unlock_irqrestore+0x52/0x80 [ 48.251721][ T5685] folios_put_refs+0x780/0xa90 [ 48.253249][ T5685] ? __pfx_folios_put_refs+0x10/0x10 [ 48.254860][ T5685] ? mark_held_locks+0x40/0x70 [ 48.256375][ T5685] ? smp_call_function_many_cond+0x13e3/0x1700 [ 48.258287][ T5685] ? lockdep_hardirqs_on+0x78/0x100 [ 48.260043][ T5685] ? __pfx_flush_tlb_func+0x10/0x10 [ 48.261727][ T5685] ? smp_call_function_many_cond+0x5de/0x1700 [ 48.263631][ T5685] free_pages_and_swap_cache+0x22d/0x3b0 [ 48.265394][ T5685] ? __pfx_free_pages_and_swap_cache+0x10/0x10 [ 48.267325][ T5685] ? __pfx___might_resched+0x10/0x10 [ 48.268975][ T5685] __tlb_batch_free_encoded_pages+0xe9/0x280 [ 48.270860][ T5685] tlb_finish_mmu+0x1b0/0x810 [ 48.272331][ T5685] exit_mmap+0x454/0xa10 [ 48.273668][ T5685] ? __pfx_exit_mmap+0x10/0x10 [ 48.275155][ T5685] ? trace_contention_end+0x122/0x170 [ 48.276797][ T5685] ? uprobe_clear_state+0x5f/0x260 [ 48.278382][ T5685] ? uprobe_clear_state+0x5f/0x260 [ 48.280007][ T5685] ? __lock_acquire+0x4a5/0x2630 [ 48.281573][ T5685] ? arch_uprobe_clear_state+0x107/0x150 [ 48.283326][ T5685] __mmput+0x12a/0x410 [ 48.284719][ T5685] mmput+0x67/0x80 [ 48.285967][ T5685] do_exit+0x833/0x2a60 [ 48.287304][ T5685] ? do_raw_spin_lock+0x128/0x260 [ 48.288928][ T5685] ? __pfx_do_exit+0x10/0x10 [ 48.290443][ T5685] ? do_group_exit+0x1bd/0x2a0 [ 48.292055][ T5685] ? rcu_is_watching+0x12/0xc0 [ 48.293609][ T5685] do_group_exit+0xd5/0x2a0 [ 48.295071][ T5685] __x64_sys_exit_group+0x3e/0x50 [ 48.296692][ T5685] x64_sys_call+0x102c/0x1530 [ 48.298226][ T5685] do_syscall_64+0x10b/0xf80 [ 48.299739][ T5685] ? clear_bhb_loop+0x40/0x90 [ 48.301260][ T5685] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.303131][ T5685] RIP: 0033:0x7f1d72b666c5 [ 48.304549][ T5685] Code: Unable to access opcode bytes at 0x7f1d72b6669b. [ 48.306750][ T5685] RSP: 002b:00007ffd91878108 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7 [ 48.309376][ T5685] RAX: ffffffffffffffda RBX: 00007ffd91878404 RCX: 00007f1d72b666c5 [ 48.311805][ T5685] RDX: 00000000000000e7 RSI: ffffffffffffff88 RDI: 0000000000000000 [ 48.314322][ T5685] RBP: 0000000000000003 R08: 00007ffd91878200 R09: 0000000000000002 [ 48.316783][ T5685] R10: 00007f1d72c0cfe0 R11: 0000000000000202 R12: 0000000000000000 [ 48.319263][ T5685] R13: 00007ffd91878440 R14: 00007f1d72d76000 R15: 000056441d2c7d98 [ 48.322077][ T5685] [ 48.323114][ T5685] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 48.325700][ T5685] CPU: 1 UID: 0 PID: 5685 Comm: dhcpcd-run-hook Not tainted syzkaller #0 PREEMPT(full) [ 48.329374][ T5685] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 48.332539][ T5685] Call Trace: [ 48.333612][ T5685] [ 48.334519][ T5685] dump_stack_lvl+0x100/0x190 [ 48.335987][ T5685] vpanic+0x552/0x970 [ 48.337246][ T5685] ? __pfx_vpanic+0x10/0x10 [ 48.338702][ T5685] panic+0xd1/0xe0 [ 48.339929][ T5685] ? __pfx_panic+0x10/0x10 [ 48.341367][ T5685] ? check_panic_on_warn+0x1f/0x90 [ 48.343044][ T5685] check_panic_on_warn.cold+0x19/0x34 [ 48.344887][ T5685] ? __page_cache_release.part.0+0x1149/0x1440 [ 48.346874][ T5685] __warn.cold+0x191/0x328 [ 48.348311][ T5685] __report_bug+0x296/0x3d0 [ 48.350053][ T5685] ? __page_cache_release.part.0+0x1149/0x1440 [ 48.352349][ T5685] ? __pfx___report_bug+0x10/0x10 [ 48.354344][ T5685] ? reacquire_held_locks+0xce/0x1e0 [ 48.356366][ T5685] ? folio_lruvec_lock_irqsave+0x1a0/0x5d0 [ 48.358440][ T5685] ? __mod_memcg_lruvec_state+0x18c/0x5b0 [ 48.360687][ T5685] ? rcu_read_unlock+0x17/0x60 [ 48.362305][ T5685] ? __page_cache_release.part.0+0x1149/0x1440 [ 48.364343][ T5685] report_bug+0xb2/0x220 [ 48.365716][ T5685] ? __page_cache_release.part.0+0x1149/0x1440 [ 48.367664][ T5685] handle_bug+0x16a/0x2a0 [ 48.369064][ T5685] exc_invalid_op+0x17/0x50 [ 48.370546][ T5685] asm_exc_invalid_op+0x1a/0x20 [ 48.372071][ T5685] RIP: 0010:__page_cache_release.part.0+0x1149/0x1440 [ 48.374309][ T5685] Code: 00 0f 85 b2 02 00 00 89 c6 31 ff 89 44 24 08 49 8b 2c 24 e8 29 a8 c0 ff 8b 44 24 08 85 c0 0f 85 34 fa ff ff e8 68 ad c0 ff 90 <0f> 0b 90 e9 26 fa ff ff e8 5a ad c0 ff 48 c7 c6 c0 a0 bd 8b 48 89 [ 48.380554][ T5685] RSP: 0018:ffffc900045af6f8 EFLAGS: 00010093 [ 48.382486][ T5685] RAX: 0000000000000000 RBX: ffffea00014fe100 RCX: ffffffff82472de7 [ 48.384989][ T5685] RDX: ffff888027be4a00 RSI: ffffffff82472df8 RDI: ffff888027be4a00 [ 48.387472][ T5685] RBP: ffff8880404a0048 R08: 0000000000000005 R09: 0000000000000000 [ 48.390013][ T5685] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc900045af7a8 [ 48.392412][ T5685] R13: ffffc900045af7c8 R14: ffff88801b8ffe00 R15: 00000000000000ff [ 48.394934][ T5685] ? __page_cache_release.part.0+0x1137/0x1440 [ 48.396896][ T5685] ? __page_cache_release.part.0+0x1148/0x1440 [ 48.398839][ T5685] ? __page_cache_release.part.0+0x1148/0x1440 [ 48.400810][ T5685] ? _raw_spin_unlock_irqrestore+0x52/0x80 [ 48.402691][ T5685] folios_put_refs+0x780/0xa90 [ 48.404243][ T5685] ? __pfx_folios_put_refs+0x10/0x10 [ 48.405933][ T5685] ? mark_held_locks+0x40/0x70 [ 48.407455][ T5685] ? smp_call_function_many_cond+0x13e3/0x1700 [ 48.409584][ T5685] ? lockdep_hardirqs_on+0x78/0x100 [ 48.411688][ T5685] ? __pfx_flush_tlb_func+0x10/0x10 [ 48.413765][ T5685] ? smp_call_function_many_cond+0x5de/0x1700 [ 48.416220][ T5685] free_pages_and_swap_cache+0x22d/0x3b0 [ 48.418418][ T5685] ? __pfx_free_pages_and_swap_cache+0x10/0x10 [ 48.420927][ T5685] ? __pfx___might_resched+0x10/0x10 [ 48.423084][ T5685] __tlb_batch_free_encoded_pages+0xe9/0x280 [ 48.425442][ T5685] tlb_finish_mmu+0x1b0/0x810 [ 48.427368][ T5685] exit_mmap+0x454/0xa10 [ 48.429002][ T5685] ? __pfx_exit_mmap+0x10/0x10 [ 48.430696][ T5685] ? trace_contention_end+0x122/0x170 [ 48.432574][ T5685] ? uprobe_clear_state+0x5f/0x260 [ 48.434302][ T5685] ? uprobe_clear_state+0x5f/0x260 [ 48.435895][ T5685] ? __lock_acquire+0x4a5/0x2630 [ 48.437488][ T5685] ? arch_uprobe_clear_state+0x107/0x150 [ 48.439273][ T5685] __mmput+0x12a/0x410 [ 48.440596][ T5685] mmput+0x67/0x80 [ 48.441814][ T5685] do_exit+0x833/0x2a60 [ 48.443164][ T5685] ? do_raw_spin_lock+0x128/0x260 [ 48.444786][ T5685] ? __pfx_do_exit+0x10/0x10 [ 48.446290][ T5685] ? do_group_exit+0x1bd/0x2a0 [ 48.447816][ T5685] ? rcu_is_watching+0x12/0xc0 [ 48.449374][ T5685] do_group_exit+0xd5/0x2a0 [ 48.450846][ T5685] __x64_sys_exit_group+0x3e/0x50 [ 48.452439][ T5685] x64_sys_call+0x102c/0x1530 [ 48.453961][ T5685] do_syscall_64+0x10b/0xf80 [ 48.455428][ T5685] ? clear_bhb_loop+0x40/0x90 [ 48.456979][ T5685] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.458836][ T5685] RIP: 0033:0x7f1d72b666c5 [ 48.460264][ T5685] Code: Unable to access opcode bytes at 0x7f1d72b6669b. [ 48.462467][ T5685] RSP: 002b:00007ffd91878108 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7 [ 48.465078][ T5685] RAX: ffffffffffffffda RBX: 00007ffd91878404 RCX: 00007f1d72b666c5 [ 48.467547][ T5685] RDX: 00000000000000e7 RSI: ffffffffffffff88 RDI: 0000000000000000 [ 48.470075][ T5685] RBP: 0000000000000003 R08: 00007ffd91878200 R09: 0000000000000002 [ 48.472544][ T5685] R10: 00007f1d72c0cfe0 R11: 0000000000000202 R12: 0000000000000000 [ 48.475046][ T5685] R13: 00007ffd91878440 R14: 00007f1d72d76000 R15: 000056441d2c7d98 [ 48.477552][ T5685] [ 48.479357][ T5685] Kernel Offset: disabled [ 48.480753][ T5685] Rebooting in 86400 seconds..