syzbot

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WARNING: CPU: 0 PID: 8176 at kernel/trace/trace.c:8493 tracing_buffers_mmap_close kernel/trace/trace.c:8493 [inline]
WARNING: CPU: 0 PID: 8176 at kernel/trace/trace.c:8493 tracing_buffers_mmap_close+0xdd/0x130 kernel/trace/trace.c:8488
Modules linked in:
CPU: 0 UID: 0 PID: 8176 Comm: syz.3.451 Tainted: G     U              6.15.0-rc6-syzkaller-00047-ge9565e23cd89 #0 PREEMPT(full) 
Tainted: [U]=USER
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:tracing_buffers_mmap_close kernel/trace/trace.c:8493 [inline]
RIP: 0010:tracing_buffers_mmap_close+0xdd/0x130 kernel/trace/trace.c:8488
Code: 75 46 48 8b 7b 08 e8 52 7e ff ff 31 ff 89 c3 89 c6 e8 a7 4d fb ff 85 db 75 0a 48 83 c4 08 5b e9 59 52 fb ff e8 54 52 fb ff 90 <0f> 0b 90 48 83 c4 08 5b e9 46 52 fb ff e8 71 d4 5f 00 eb 87 e8 9a
RSP: 0018:ffffc9000c2c7990 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 00000000ffffffed RCX: ffffffff81bf5db9
RDX: ffff88802eab8000 RSI: ffffffff81bf5dcc RDI: 0000000000000005
RBP: ffffffff81bf5cf0 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000ffffffed R11: 0000000000000000 R12: ffff888029314b88
R13: dffffc0000000000 R14: ffffc9000c2c7a28 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881249ea000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f748ba71d80 CR3: 00000000321b8000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 vma_close mm/internal.h:190 [inline]
 remove_vma+0x85/0x160 mm/vma.c:426
 exit_mmap+0x511/0xb90 mm/mmap.c:1309
 __mmput+0x12a/0x410 kernel/fork.c:1379
 mmput+0x62/0x70 kernel/fork.c:1401
 exit_mm kernel/exit.c:589 [inline]
 do_exit+0x9d1/0x2c30 kernel/exit.c:940
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1102
 get_signal+0x2673/0x26d0 kernel/signal.c:3034
 arch_do_signal_or_restart+0x8f/0x7a0 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x150/0x2a0 kernel/entry/common.c:218
 do_syscall_64+0xda/0x230 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f475018e969
Code: Unable to access opcode bytes at 0x7f475018e93f.
RSP: 002b:00007f475105e038 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: fffffffffffffffc RBX: 00007f47503b5fa0 RCX: 00007f475018e969
RDX: 0000000000000017 RSI: ffffffffffff0005 RDI: 0000000000000000
RBP: 00007f4750210ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f47503b5fa0 R15: 00007ffe62ec0ee8
 </TASK>