WARNING in rcu_check_gp_start_stall
------------[ cut here ]------------
WARNING: CPU: 1 PID: 12 at kernel/rcu/tree_stall.h:990 rcu_check_gp_start_stall.part.0+0x1c4/0x4b0 kernel/rcu/tree_stall.h:990
Modules linked in:
CPU: 1 PID: 12 Comm: kworker/u4:1 Not tainted 6.7.0-rc4-next-20231208-syzkaller-06165-gbc63de6e6ba0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:rcu_check_gp_start_stall.part.0+0x1c4/0x4b0 kernel/rcu/tree_stall.h:990
Code: 88 5d 01 00 00 be 04 00 00 00 48 c7 c7 80 cb a0 92 e8 20 2b 6e 00 b8 01 00 00 00 87 05 c5 32 2f 11 85 c0 0f 85 39 01 00 00 90 <0f> 0b 90 48 81 fd c0 67 1b 8d 48 c7 c3 18 98 39 8f 74 5a 48 b8 00
RSP: 0018:ffffc900001f0df0 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000002904 RCX: ffffffff817198b0
RDX: fffffbfff2541970 RSI: 0000000000000004 RDI: ffffffff92a0cb80
RBP: ffffffff8d1b67c0 R08: 0000000000000001 R09: fffffbfff2541970
R10: 0000000000000003 R11: 0000000000000005 R12: 1ffffffff19c1e40
R13: 0000000000000246 R14: ffffffff8d1b67c0 R15: ffff8880b993d612
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4aac4c35c0 CR3: 000000000cf78000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rcu_check_gp_start_stall kernel/rcu/tree_stall.h:953 [inline]
rcu_core+0x4f2/0x16b0 kernel/rcu/tree.c:2428
__do_softirq+0x216/0x8d5 kernel/softirq.c:553
invoke_softirq kernel/softirq.c:427 [inline]
__irq_exit_rcu kernel/softirq.c:632 [inline]
irq_exit_rcu+0xb5/0x120 kernel/softirq.c:644
sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1076
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:csd_lock_wait kernel/smp.c:311 [inline]
RIP: 0010:smp_call_function_many_cond+0x4e4/0x1570 kernel/smp.c:855
Code: 0b 00 85 ed 74 4d 48 b8 00 00 00 00 00 fc ff df 4d 89 f4 4c 89 f5 49 c1 ec 03 83 e5 07 49 01 c4 83 c5 03 e8 7e c7 0b 00 f3 90 <41> 0f b6 04 24 40 38 c5 7c 08 84 c0 0f 85 44 0e 00 00 8b 43 08 31
RSP: 0018:ffffc90000117920 EFLAGS: 00000293
RAX: 0000000000000000 RBX: ffff8880b9844240 RCX: ffffffff817c54e8
RDX: ffff888015695940 RSI: ffffffff817c54c2 RDI: 0000000000000005
RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000006 R12: ffffed1017308849
R13: 0000000000000001 R14: ffff8880b9844248 R15: ffff8880b993d8c0
on_each_cpu_cond_mask+0x40/0x90 kernel/smp.c:1023
on_each_cpu include/linux/smp.h:71 [inline]
text_poke_sync arch/x86/kernel/alternative.c:2007 [inline]
text_poke_bp_batch+0x22b/0x750 arch/x86/kernel/alternative.c:2217
text_poke_flush arch/x86/kernel/alternative.c:2408 [inline]
text_poke_flush arch/x86/kernel/alternative.c:2405 [inline]
text_poke_finish+0x30/0x40 arch/x86/kernel/alternative.c:2415
arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
jump_label_update+0x1d7/0x400 kernel/jump_label.c:829
static_key_enable_cpuslocked+0x1b7/0x270 kernel/jump_label.c:205
static_key_enable+0x1a/0x20 kernel/jump_label.c:218
toggle_allocation_gate mm/kfence/core.c:826 [inline]
toggle_allocation_gate+0xf4/0x250 mm/kfence/core.c:818
process_one_work+0x8a4/0x15f0 kernel/workqueue.c:2633
process_scheduled_works kernel/workqueue.c:2706 [inline]
worker_thread+0x8b6/0x1290 kernel/workqueue.c:2787
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
----------------
Code disassembly (best guess):
0: 0b 00 or (%rax),%eax
2: 85 ed test %ebp,%ebp
4: 74 4d je 0x53
6: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
d: fc ff df
10: 4d 89 f4 mov %r14,%r12
13: 4c 89 f5 mov %r14,%rbp
16: 49 c1 ec 03 shr $0x3,%r12
1a: 83 e5 07 and $0x7,%ebp
1d: 49 01 c4 add %rax,%r12
20: 83 c5 03 add $0x3,%ebp
23: e8 7e c7 0b 00 call 0xbc7a6
28: f3 90 pause
* 2a: 41 0f b6 04 24 movzbl (%r12),%eax <-- trapping instruction
2f: 40 38 c5 cmp %al,%bpl
32: 7c 08 jl 0x3c
34: 84 c0 test %al,%al
36: 0f 85 44 0e 00 00 jne 0xe80
3c: 8b 43 08 mov 0x8(%rbx),%eax
3f: 31 .byte 0x31
Warning: Permanently added '10.128.1.32' (ED25519) to the list of known hosts.
2023/12/10 05:01:09 fuzzer started
2023/12/10 05:01:09 connecting to host at 10.128.0.169:39343
2023/12/10 05:01:09 checking machine...
2023/12/10 05:01:09 checking revisions...
2023/12/10 05:01:09 testing simple program...
[ 71.176125][ T5068] cgroup: Unknown subsys name 'net'
[ 71.322897][ T5068] cgroup: Unknown subsys name 'rlimit'
[ 71.636934][ T5072] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 71.645269][ T5072] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 71.653116][ T5072] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 71.662124][ T5072] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 71.670617][ T5072] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[ 71.678096][ T5072] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 71.864244][ T5070] chnl_net:caif_netlink_parms(): no params data found
[ 71.947086][ T5070] bridge0: port 1(bridge_slave_0) entered blocking state
[ 71.954898][ T5070] bridge0: port 1(bridge_slave_0) entered disabled state
[ 71.962693][ T5070] bridge_slave_0: entered allmulticast mode
[ 71.969752][ T5070] bridge_slave_0: entered promiscuous mode
[ 71.980432][ T5070] bridge0: port 2(bridge_slave_1) entered blocking state
[ 71.987739][ T5070] bridge0: port 2(bridge_slave_1) entered disabled state
[ 71.995275][ T5070] bridge_slave_1: entered allmulticast mode
[ 72.002732][ T5070] bridge_slave_1: entered promiscuous mode
[ 72.039380][ T5070] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 72.053713][ T5070] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 72.090991][ T5070] team0: Port device team_slave_0 added
[ 72.099670][ T5070] team0: Port device team_slave_1 added
[ 72.131191][ T5070] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 72.138181][ T5070] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
[ 72.164206][ T5070] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 72.177432][ T5070] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 72.184537][ T5070] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
[ 72.211125][ T5070] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 72.258137][ T5070] hsr_slave_0: entered promiscuous mode
[ 72.265283][ T5070] hsr_slave_1: entered promiscuous mode
[ 72.430569][ T5070] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 72.444831][ T5070] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 72.455351][ T5070] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 72.465978][ T5070] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 72.497845][ T5070] bridge0: port 2(bridge_slave_1) entered blocking state
[ 72.505148][ T5070] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 72.513184][ T5070] bridge0: port 1(bridge_slave_0) entered blocking state
[ 72.520431][ T5070] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 72.596339][ T5070] 8021q: adding VLAN 0 to HW filter on device bond0
[ 72.622146][ T8] bridge0: port 1(bridge_slave_0) entered disabled state
[ 72.632094][ T8] bridge0: port 2(bridge_slave_1) entered disabled state
[ 184.520391][ C1] ------------[ cut here ]------------
[ 184.526811][ C1] WARNING: CPU: 1 PID: 12 at kernel/rcu/tree_stall.h:990 rcu_check_gp_start_stall.part.0+0x1c4/0x4b0
[ 184.537825][ C1] Modules linked in:
[ 184.541745][ C1] CPU: 1 PID: 12 Comm: kworker/u4:1 Not tainted 6.7.0-rc4-next-20231208-syzkaller-06165-gbc63de6e6ba0 #0
[ 184.553050][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
[ 184.563209][ C1] Workqueue: events_unbound toggle_allocation_gate
[ 184.569772][ C1] RIP: 0010:rcu_check_gp_start_stall.part.0+0x1c4/0x4b0
[ 184.576779][ C1] Code: 88 5d 01 00 00 be 04 00 00 00 48 c7 c7 80 cb a0 92 e8 20 2b 6e 00 b8 01 00 00 00 87 05 c5 32 2f 11 85 c0 0f 85 39 01 00 00 90 <0f> 0b 90 48 81 fd c0 67 1b 8d 48 c7 c3 18 98 39 8f 74 5a 48 b8 00
[ 184.596536][ C1] RSP: 0018:ffffc900001f0df0 EFLAGS: 00010046
[ 184.602716][ C1] RAX: 0000000000000000 RBX: 0000000000002904 RCX: ffffffff817198b0
[ 184.610793][ C1] RDX: fffffbfff2541970 RSI: 0000000000000004 RDI: ffffffff92a0cb80
[ 184.618810][ C1] RBP: ffffffff8d1b67c0 R08: 0000000000000001 R09: fffffbfff2541970
[ 184.626804][ C1] R10: 0000000000000003 R11: 0000000000000005 R12: 1ffffffff19c1e40
[ 184.634795][ C1] R13: 0000000000000246 R14: ffffffff8d1b67c0 R15: ffff8880b993d612
[ 184.643078][ C1] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
[ 184.652401][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 184.659107][ C1] CR2: 00007f4aac4c35c0 CR3: 000000000cf78000 CR4: 00000000003506f0
[ 184.667192][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 184.675353][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 184.683515][ C1] Call Trace:
[ 184.686814][ C1]
[ 184.689673][ C1] ? show_regs+0x8e/0xa0
[ 184.693957][ C1] ? __warn+0xe5/0x390
[ 184.698059][ C1] ? rcu_check_gp_start_stall.part.0+0x1c4/0x4b0
[ 184.704434][ C1] ? report_bug+0x3bc/0x580
[ 184.708983][ C1] ? handle_bug+0x3d/0x70
[ 184.713336][ C1] ? exc_invalid_op+0x17/0x40
[ 184.718046][ C1] ? asm_exc_invalid_op+0x1a/0x20
[ 184.723113][ C1] ? rcu_check_gp_start_stall.part.0+0x1b0/0x4b0
[ 184.729478][ C1] ? rcu_check_gp_start_stall.part.0+0x1c4/0x4b0
[ 184.735853][ C1] rcu_core+0x4f2/0x16b0
[ 184.740127][ C1] ? kvm_sched_clock_read+0x11/0x20
[ 184.745440][ C1] ? sched_clock+0x38/0x60
[ 184.749886][ C1] ? sched_clock_cpu+0x6d/0x4c0
[ 184.754803][ C1] ? rcutree_report_cpu_dead+0x4c0/0x4c0
[ 184.760506][ C1] ? mark_held_locks+0x9f/0xe0
[ 184.765329][ C1] __do_softirq+0x216/0x8d5
[ 184.769886][ C1] ? __lock_text_end+0x3/0x3
[ 184.774522][ C1] irq_exit_rcu+0xb5/0x120
[ 184.779422][ C1] sysvec_apic_timer_interrupt+0x95/0xb0
[ 184.785131][ C1]
[ 184.788086][ C1]
[ 184.791045][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 184.797089][ C1] RIP: 0010:smp_call_function_many_cond+0x4e4/0x1570
[ 184.803896][ C1] Code: 0b 00 85 ed 74 4d 48 b8 00 00 00 00 00 fc ff df 4d 89 f4 4c 89 f5 49 c1 ec 03 83 e5 07 49 01 c4 83 c5 03 e8 7e c7 0b 00 f3 90 <41> 0f b6 04 24 40 38 c5 7c 08 84 c0 0f 85 44 0e 00 00 8b 43 08 31
[ 184.823618][ C1] RSP: 0018:ffffc90000117920 EFLAGS: 00000293
[ 184.829710][ C1] RAX: 0000000000000000 RBX: ffff8880b9844240 RCX: ffffffff817c54e8
[ 184.837699][ C1] RDX: ffff888015695940 RSI: ffffffff817c54c2 RDI: 0000000000000005
[ 184.845689][ C1] RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000
[ 184.853676][ C1] R10: 0000000000000001 R11: 0000000000000006 R12: ffffed1017308849
[ 184.861662][ C1] R13: 0000000000000001 R14: ffff8880b9844248 R15: ffff8880b993d8c0
[ 184.869748][ C1] ? smp_call_function_many_cond+0x508/0x1570
[ 184.875843][ C1] ? smp_call_function_many_cond+0x4e2/0x1570
[ 184.882037][ C1] ? __text_poke+0xca0/0xca0
[ 184.886663][ C1] ? kmem_cache_alloc_bulk+0x1b5/0x940
[ 184.892569][ C1] ? generic_smp_call_function_single_interrupt+0x20/0x20
[ 184.899739][ C1] ? optimize_nops+0x1a0/0x1a0
[ 184.904531][ C1] ? __text_poke+0xca0/0xca0
[ 184.909182][ C1] on_each_cpu_cond_mask+0x40/0x90
[ 184.914323][ C1] text_poke_bp_batch+0x22b/0x750
[ 184.919374][ C1] ? arch_jump_label_transform_apply+0x17/0x30
[ 184.925564][ C1] ? alternatives_enable_smp+0x400/0x400
[ 184.931221][ C1] ? __jump_label_patch+0x1db/0x400
[ 184.936451][ C1] ? text_poke_queue+0xef/0x180
[ 184.941326][ C1] ? arch_jump_label_transform_queue+0xc0/0x110
[ 184.947611][ C1] text_poke_finish+0x30/0x40
[ 184.952310][ C1] arch_jump_label_transform_apply+0x1c/0x30
[ 184.958327][ C1] jump_label_update+0x1d7/0x400
[ 184.963301][ C1] static_key_enable_cpuslocked+0x1b7/0x270
[ 184.969229][ C1] static_key_enable+0x1a/0x20
[ 184.974026][ C1] toggle_allocation_gate+0xf4/0x250
[ 184.979340][ C1] ? wake_up_kfence_timer+0x30/0x30
[ 184.984587][ C1] process_one_work+0x8a4/0x15f0
[ 184.989600][ C1] ? lock_sync+0x190/0x190
[ 184.994036][ C1] ? workqueue_congested+0x300/0x300
[ 184.999364][ C1] ? assign_work+0x1a0/0x250
[ 185.004075][ C1] worker_thread+0x8b6/0x1290
[ 185.008800][ C1] ? process_one_work+0x15f0/0x15f0
[ 185.014123][ C1] kthread+0x2c1/0x3a0
[ 185.018225][ C1] ? _raw_spin_unlock_irq+0x23/0x50
[ 185.023533][ C1] ? kthread_complete_and_exit+0x40/0x40
[ 185.029201][ C1] ret_from_fork+0x45/0x80
[ 185.033644][ C1] ? kthread_complete_and_exit+0x40/0x40
[ 185.039308][ C1] ret_from_fork_asm+0x11/0x20
[ 185.044117][ C1]
[ 185.047150][ C1] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 185.054435][ C1] CPU: 1 PID: 12 Comm: kworker/u4:1 Not tainted 6.7.0-rc4-next-20231208-syzkaller-06165-gbc63de6e6ba0 #0
[ 185.065649][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
[ 185.075743][ C1] Workqueue: events_unbound toggle_allocation_gate
[ 185.082423][ C1] Call Trace:
[ 185.085813][ C1]
[ 185.088683][ C1] dump_stack_lvl+0xd9/0x1b0
[ 185.093375][ C1] panic+0x6dc/0x790
[ 185.097338][ C1] ? panic_smp_self_stop+0xa0/0xa0
[ 185.102493][ C1] ? show_trace_log_lvl+0x363/0x4f0
[ 185.107751][ C1] ? check_panic_on_warn+0x1f/0xb0
[ 185.112906][ C1] ? rcu_check_gp_start_stall.part.0+0x1c4/0x4b0
[ 185.119278][ C1] check_panic_on_warn+0xab/0xb0
[ 185.124254][ C1] __warn+0xf1/0x390
[ 185.128351][ C1] ? rcu_check_gp_start_stall.part.0+0x1c4/0x4b0
[ 185.134717][ C1] report_bug+0x3bc/0x580
[ 185.139253][ C1] handle_bug+0x3d/0x70
[ 185.143465][ C1] exc_invalid_op+0x17/0x40
[ 185.147994][ C1] asm_exc_invalid_op+0x1a/0x20
[ 185.152999][ C1] RIP: 0010:rcu_check_gp_start_stall.part.0+0x1c4/0x4b0
[ 185.159985][ C1] Code: 88 5d 01 00 00 be 04 00 00 00 48 c7 c7 80 cb a0 92 e8 20 2b 6e 00 b8 01 00 00 00 87 05 c5 32 2f 11 85 c0 0f 85 39 01 00 00 90 <0f> 0b 90 48 81 fd c0 67 1b 8d 48 c7 c3 18 98 39 8f 74 5a 48 b8 00
[ 185.179613][ C1] RSP: 0018:ffffc900001f0df0 EFLAGS: 00010046
[ 185.185701][ C1] RAX: 0000000000000000 RBX: 0000000000002904 RCX: ffffffff817198b0
[ 185.193688][ C1] RDX: fffffbfff2541970 RSI: 0000000000000004 RDI: ffffffff92a0cb80
[ 185.201673][ C1] RBP: ffffffff8d1b67c0 R08: 0000000000000001 R09: fffffbfff2541970
[ 185.209669][ C1] R10: 0000000000000003 R11: 0000000000000005 R12: 1ffffffff19c1e40
[ 185.217738][ C1] R13: 0000000000000246 R14: ffffffff8d1b67c0 R15: ffff8880b993d612
[ 185.225769][ C1] ? rcu_check_gp_start_stall.part.0+0x1b0/0x4b0
[ 185.232495][ C1] rcu_core+0x4f2/0x16b0
[ 185.236757][ C1] ? kvm_sched_clock_read+0x11/0x20
[ 185.241988][ C1] ? sched_clock+0x38/0x60
[ 185.246433][ C1] ? sched_clock_cpu+0x6d/0x4c0
[ 185.251312][ C1] ? rcutree_report_cpu_dead+0x4c0/0x4c0
[ 185.257015][ C1] ? mark_held_locks+0x9f/0xe0
[ 185.261860][ C1] __do_softirq+0x216/0x8d5
[ 185.266423][ C1] ? __lock_text_end+0x3/0x3
[ 185.271317][ C1] irq_exit_rcu+0xb5/0x120
[ 185.275779][ C1] sysvec_apic_timer_interrupt+0x95/0xb0
[ 185.281565][ C1]
[ 185.284607][ C1]
[ 185.287558][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 185.293618][ C1] RIP: 0010:smp_call_function_many_cond+0x4e4/0x1570
[ 185.300688][ C1] Code: 0b 00 85 ed 74 4d 48 b8 00 00 00 00 00 fc ff df 4d 89 f4 4c 89 f5 49 c1 ec 03 83 e5 07 49 01 c4 83 c5 03 e8 7e c7 0b 00 f3 90 <41> 0f b6 04 24 40 38 c5 7c 08 84 c0 0f 85 44 0e 00 00 8b 43 08 31
[ 185.320324][ C1] RSP: 0018:ffffc90000117920 EFLAGS: 00000293
[ 185.326505][ C1] RAX: 0000000000000000 RBX: ffff8880b9844240 RCX: ffffffff817c54e8
[ 185.334581][ C1] RDX: ffff888015695940 RSI: ffffffff817c54c2 RDI: 0000000000000005
[ 185.342567][ C1] RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000
[ 185.350549][ C1] R10: 0000000000000001 R11: 0000000000000006 R12: ffffed1017308849
[ 185.358967][ C1] R13: 0000000000000001 R14: ffff8880b9844248 R15: ffff8880b993d8c0
[ 185.366989][ C1] ? smp_call_function_many_cond+0x508/0x1570
[ 185.373085][ C1] ? smp_call_function_many_cond+0x4e2/0x1570
[ 185.379198][ C1] ? __text_poke+0xca0/0xca0
[ 185.383812][ C1] ? kmem_cache_alloc_bulk+0x1b5/0x940
[ 185.389330][ C1] ? generic_smp_call_function_single_interrupt+0x20/0x20
[ 185.396514][ C1] ? optimize_nops+0x1a0/0x1a0
[ 185.401337][ C1] ? __text_poke+0xca0/0xca0
[ 185.405994][ C1] on_each_cpu_cond_mask+0x40/0x90
[ 185.411594][ C1] text_poke_bp_batch+0x22b/0x750
[ 185.416684][ C1] ? arch_jump_label_transform_apply+0x17/0x30
[ 185.422885][ C1] ? alternatives_enable_smp+0x400/0x400
[ 185.428543][ C1] ? __jump_label_patch+0x1db/0x400
[ 185.433773][ C1] ? text_poke_queue+0xef/0x180
[ 185.438651][ C1] ? arch_jump_label_transform_queue+0xc0/0x110
[ 185.444974][ C1] text_poke_finish+0x30/0x40
[ 185.449675][ C1] arch_jump_label_transform_apply+0x1c/0x30
[ 185.455692][ C1] jump_label_update+0x1d7/0x400
[ 185.460672][ C1] static_key_enable_cpuslocked+0x1b7/0x270
[ 185.466606][ C1] static_key_enable+0x1a/0x20
[ 185.471415][ C1] toggle_allocation_gate+0xf4/0x250
[ 185.476734][ C1] ? wake_up_kfence_timer+0x30/0x30
[ 185.481987][ C1] process_one_work+0x8a4/0x15f0
[ 185.486973][ C1] ? lock_sync+0x190/0x190
[ 185.491406][ C1] ? workqueue_congested+0x300/0x300
[ 185.496731][ C1] ? assign_work+0x1a0/0x250
[ 185.501355][ C1] worker_thread+0x8b6/0x1290
[ 185.506185][ C1] ? process_one_work+0x15f0/0x15f0
[ 185.511414][ C1] kthread+0x2c1/0x3a0
[ 185.515513][ C1] ? _raw_spin_unlock_irq+0x23/0x50
[ 185.520736][ C1] ? kthread_complete_and_exit+0x40/0x40
[ 185.526399][ C1] ret_from_fork+0x45/0x80
[ 185.530847][ C1] ? kthread_complete_and_exit+0x40/0x40
[ 185.536684][ C1] ret_from_fork_asm+0x11/0x20
[ 185.541493][ C1]
[ 186.663484][ C1] Shutting down cpus with NMI
[ 186.668499][ C1] Kernel Offset: disabled
[ 186.673182][ C1] Rebooting in 86400 seconds..
syzkaller build log:
go env (err=)
GO111MODULE="auto"
GOARCH="amd64"
GOBIN=""
GOCACHE="/syzkaller/.cache/go-build"
GOENV="/syzkaller/.config/go/env"
GOEXE=""
GOEXPERIMENT=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOINSECURE=""
GOMODCACHE="/syzkaller/jobs-2/linux/gopath/pkg/mod"
GONOPROXY=""
GONOSUMDB=""
GOOS="linux"
GOPATH="/syzkaller/jobs-2/linux/gopath"
GOPRIVATE=""
GOPROXY="https://proxy.golang.org,direct"
GOROOT="/usr/local/go"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/usr/local/go/pkg/tool/linux_amd64"
GOVCS=""
GOVERSION="go1.20.1"
GCCGO="gccgo"
GOAMD64="v1"
AR="ar"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD="/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/go.mod"
GOWORK=""
CGO_CFLAGS="-O2 -g"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-O2 -g"
CGO_FFLAGS="-O2 -g"
CGO_LDFLAGS="-O2 -g"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build1167489157=/tmp/go-build -gno-record-gcc-switches"
git status (err=)
HEAD detached at be607b78d
nothing to commit, working tree clean
tput: No value for $TERM and no -T specified
tput: No value for $TERM and no -T specified
Makefile:32: run command via tools/syz-env for best compatibility, see:
Makefile:33: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env
go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sys/syz-sysgen
make .descriptions
tput: No value for $TERM and no -T specified
tput: No value for $TERM and no -T specified
bin/syz-sysgen
touch .descriptions
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=be607b78d7dea8ef5a0267ae7396fded7dc016d5 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20230204-105222'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-fuzzer github.com/google/syzkaller/syz-fuzzer
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=be607b78d7dea8ef5a0267ae7396fded7dc016d5 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20230204-105222'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=be607b78d7dea8ef5a0267ae7396fded7dc016d5 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20230204-105222'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-stress github.com/google/syzkaller/tools/syz-stress
mkdir -p ./bin/linux_amd64
gcc -o ./bin/linux_amd64/syz-executor executor/executor.cc \
-m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \
-DHOSTGOOS_linux=1 -DGIT_REVISION=\"be607b78d7dea8ef5a0267ae7396fded7dc016d5\"