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VFS: brelse: Trying to free free buffer
WARNING: CPU: 1 PID: 0 at fs/buffer.c:1148 __brelse fs/buffer.c:1148 [inline]
WARNING: CPU: 1 PID: 0 at fs/buffer.c:1148 brelse include/linux/buffer_head.h:325 [inline]
WARNING: CPU: 1 PID: 0 at fs/buffer.c:1148 __invalidate_bh_lrus fs/buffer.c:1394 [inline]
WARNING: CPU: 1 PID: 0 at fs/buffer.c:1148 invalidate_bh_lru+0xf8/0x1a0 fs/buffer.c:1407
Modules linked in:
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.15.127-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:__brelse fs/buffer.c:1148 [inline]
RIP: 0010:brelse include/linux/buffer_head.h:325 [inline]
RIP: 0010:__invalidate_bh_lrus fs/buffer.c:1394 [inline]
RIP: 0010:invalidate_bh_lru+0xf8/0x1a0 fs/buffer.c:1407
Code: 00 e8 1c 7a e4 ff f0 ff 0b eb 21 e8 82 d8 9a ff 41 80 3c 2e 00 75 26 eb 2c e8 74 d8 9a ff 48 c7 c7 e0 44 97 8a e8 48 a1 66 ff <0f> 0b 48 bd 00 00 00 00 00 fc ff df 41 80 3c 2e 00 74 08 4c 89 ff
RSP: 0018:ffffc90000dd0f60 EFLAGS: 00010046
RAX: efc64e0143492d00 RBX: ffff888024391b40 RCX: ffff88813fe68000
RDX: 0000000080010002 RSI: 0000000080010002 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff816658fc R09: ffffed1017364f24
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880b9b35978
R13: 0000000000000038 R14: 1ffff11017366b36 R15: ffff8880b9b359b0
FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30123000 CR3: 0000000083c16000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
flush_smp_call_function_queue+0x2b5/0x760 kernel/smp.c:628
__sysvec_call_function_single+0x9a/0x250 arch/x86/kernel/smp.c:248
sysvec_call_function_single+0x89/0xb0 arch/x86/kernel/smp.c:243
asm_sysvec_call_function_single+0x16/0x20 arch/x86/include/asm/idtentry.h:646
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:22 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline]
RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:132 [inline]
RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:110 [inline]
RIP: 0010:acpi_idle_do_entry+0x10f/0x340 drivers/acpi/processor_idle.c:570
Code: 27 5a f7 48 83 e3 08 0f 85 0a 01 00 00 4c 8d 74 24 20 e8 d4 99 60 f7 0f 1f 44 00 00 e8 5a 23 5a f7 0f 00 2d 53 87 bc 00 fb f4 <4c> 89 f3 48 c1 eb 03 42 80 3c 3b 00 74 08 4c 89 f7 e8 ab c3 a3 f7
RSP: 0018:ffffc90000d67b00 EFLAGS: 000002d3
RAX: ffffffff8a25f086 RBX: 0000000000000000 RCX: ffff88813fe68000
RDX: 0000000000000000 RSI: ffffffff8a8b0c60 RDI: ffffffff8ad87900
RBP: ffffc90000d67b90 R08: ffffffff81868a80 R09: ffffed1027fcd001
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920001acf60
R13: ffff888140db7004 R14: ffffc90000d67b20 R15: dffffc0000000000
acpi_idle_enter+0x352/0x4f0 drivers/acpi/processor_idle.c:705
cpuidle_enter_state+0x521/0xef0 drivers/cpuidle/cpuidle.c:237
cpuidle_enter+0x59/0x90 drivers/cpuidle/cpuidle.c:351
call_cpuidle kernel/sched/idle.c:158 [inline]
cpuidle_idle_call kernel/sched/idle.c:239 [inline]
do_idle+0x3e4/0x670 kernel/sched/idle.c:306
cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:403
start_secondary+0x371/0x500 arch/x86/kernel/smpboot.c:281
secondary_startup_64_no_verify+0xb1/0xbb
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 5a pop %rdx
1: f7 48 83 e3 08 0f 85 testl $0x850f08e3,-0x7d(%rax)
8: 0a 01 or (%rcx),%al
a: 00 00 add %al,(%rax)
c: 4c 8d 74 24 20 lea 0x20(%rsp),%r14
11: e8 d4 99 60 f7 call 0xf76099ea
16: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
1b: e8 5a 23 5a f7 call 0xf75a237a
20: 0f 00 2d 53 87 bc 00 verw 0xbc8753(%rip) # 0xbc877a
27: fb sti
28: f4 hlt
* 29: 4c 89 f3 mov %r14,%rbx <-- trapping instruction
2c: 48 c1 eb 03 shr $0x3,%rbx
30: 42 80 3c 3b 00 cmpb $0x0,(%rbx,%r15,1)
35: 74 08 je 0x3f
37: 4c 89 f7 mov %r14,%rdi
3a: e8 ab c3 a3 f7 call 0xf7a3c3ea