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WARNING: CPU: 1 PID: 17588 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: 17588 Comm: syz-executor.4 Not tainted 6.9.0-rc4-syzkaller-00329-g48cf398f15fc #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:rcu_check_gp_start_stall.part.0+0x1c4/0x4b0 kernel/rcu/tree_stall.h:990
Code: 88 61 01 00 00 be 04 00 00 00 48 c7 c7 00 7f 6b 94 e8 b0 74 73 00 b8 01 00 00 00 87 05 c5 00 f6 12 85 c0 0f 85 3d 01 00 00 90 <0f> 0b 90 48 81 fd c0 bd 7b 8d 48 c7 c3 58 64 9f 8f 74 5a 48 b8 00
RSP: 0018:ffffc90000a08df0 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000002904 RCX: ffffffff81757e30
RDX: fffffbfff28d6fe0 RSI: 0000000000000004 RDI: ffffffff946b7f00
RBP: ffffffff8d7bbdc0 R08: 0000000000000001 R09: fffffbfff28d6fe0
R10: 0000000000000003 R11: 0000000000000000 R12: 1ffffffff1a81e40
R13: 0000000000000246 R14: ffffffff8d7bbdc0 R15: ffff8880b953f952
FS: 00007f6a97b766c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff34352d48 CR3: 000000004b32e000 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:2466
__do_softirq+0x218/0x922 kernel/softirq.c:554
invoke_softirq kernel/softirq.c:428 [inline]
__irq_exit_rcu kernel/softirq.c:633 [inline]
irq_exit_rcu+0xb9/0x120 kernel/softirq.c:645
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1043
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:syscall_enter_from_user_mode_work include/linux/entry-common.h:165 [inline]
RIP: 0010:syscall_enter_from_user_mode include/linux/entry-common.h:198 [inline]
RIP: 0010:do_syscall_64+0x9a/0x260 arch/x86/entry/common.c:79
Code: 00 48 8b 7d 08 e8 16 51 00 00 0f 1f 44 00 00 0f 1f 44 00 00 90 e8 f6 14 ba f6 90 90 e8 6f 16 ba f6 fb 65 48 8b 05 d6 10 29 75 <48> 8b 50 08 f6 c2 3f 0f 85 3e 01 00 00 90 90 41 81 fc cd 01 00 00
RSP: 0018:ffffc9000315ff28 EFLAGS: 00000202
RAX: ffff8880294b5a00 RBX: ffffc9000315ff58 RCX: 1ffffffff1f3ddc1
RDX: 0000000000000000 RSI: ffffffff8b0cae00 RDI: ffffffff8b6f5720
RBP: ffffc9000315ff48 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff8f9f3097 R11: 0000000000000000 R12: 0000000000000027
R13: 0000000000000027 R14: 0000000000000000 R15: 0000000000000000
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6a96e7b627
Code: 0b e9 68 fe ff ff 48 83 c4 18 48 8d 3d 32 f2 c5 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 c3 68 fd ff 0f 1f 00 b8 27 00 00 00 0f 05 0f 1f 84 00 00 00 00 00 b8 66 00 00 00 0f 05 c3 0f 1f 84 00 00
RSP: 002b:00007f6a97b75b08 EFLAGS: 00000202 ORIG_RAX: 0000000000000027
RAX: ffffffffffffffda RBX: 00007f6a97b75c70 RCX: 00007f6a96e7b627
RDX: 00007f6a97b75b40 RSI: 00007f6a97b75c70 RDI: 0000000000000021
RBP: 0000000000000000 R08: 00000000088000cc R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 000000000000000b R14: 00007f6a96fabf80 R15: 00007ffea3057908
----------------
Code disassembly (best guess):
0: 00 48 8b add %cl,-0x75(%rax)
3: 7d 08 jge 0xd
5: e8 16 51 00 00 call 0x5120
a: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
f: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
14: 90 nop
15: e8 f6 14 ba f6 call 0xf6ba1510
1a: 90 nop
1b: 90 nop
1c: e8 6f 16 ba f6 call 0xf6ba1690
21: fb sti
22: 65 48 8b 05 d6 10 29 mov %gs:0x752910d6(%rip),%rax # 0x75291100
29: 75
* 2a: 48 8b 50 08 mov 0x8(%rax),%rdx <-- trapping instruction
2e: f6 c2 3f test $0x3f,%dl
31: 0f 85 3e 01 00 00 jne 0x175
37: 90 nop
38: 90 nop
39: 41 81 fc cd 01 00 00 cmp $0x1cd,%r12d