__mmput+0x122/0x470 kernel/fork.c:1101
 mmput+0x58/0x60 kernel/fork.c:1122
 exit_mm kernel/exit.c:501 [inline]
 do_exit+0xae2/0x2a60 kernel/exit.c:812
 do_group_exit+0x125/0x310 kernel/exit.c:922
 get_signal+0x47f/0x2160 kernel/signal.c:2808
 arch_do_signal_or_restart+0x2a9/0x1c40 arch/x86/kernel/signal.c:865
 handle_signal_work kernel/entry/common.c:148 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:172 [inline]
 exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:209
 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
 syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:302
------------[ cut here ]------------
kernel BUG at include/linux/page-flags.h:333!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 387 Comm: syz-executor.3 Not tainted 5.14.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:ClearPageError include/linux/page-flags.h:333 [inline]
RIP: 0010:do_read_cache_page+0x116c/0x13c0 mm/filemap.c:3420
Code: 6c 24 ff e9 61 fd ff ff e8 e1 fd da ff 48 83 eb 01 e9 dd fd ff ff e8 d3 fd da ff 48 c7 c6 a0 ce 94 89 48 89 ef e8 64 c3 0d 00 <0f> 0b e8 bd fd da ff 48 83 eb 01 e9 8d fe ff ff e8 af fd da ff 48
RSP: 0018:ffffc90002def988 EFLAGS: 00010246
RAX: 0000000000040000 RBX: 0000000000000001 RCX: ffffc9000df65000
RDX: 0000000000040000 RSI: ffffffff819aab3c RDI: 0000000000000003
RBP: ffffea0001018340 R08: 0000000000000024 R09: 00000000ffffffff
R10: ffffffff88ea697e R11: 00000000ffffffff R12: ffffea0001018348
R13: 0000000000000001 R14: ffff888036e87308 R15: 000000000000000d
FS:  00007ff2ee0dc700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2c539000 CR3: 00000000814f5000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 read_mapping_page include/linux/pagemap.h:515 [inline]
 __copy_insn kernel/events/uprobes.c:800 [inline]
 copy_insn kernel/events/uprobes.c:826 [inline]
 prepare_uprobe kernel/events/uprobes.c:851 [inline]
 install_breakpoint.isra.0+0x27c/0x7c0 kernel/events/uprobes.c:902
 register_for_each_vma+0x896/0xc10 kernel/events/uprobes.c:1070
 uprobe_apply+0xfc/0x150 kernel/events/uprobes.c:1230
 uprobe_perf_open kernel/trace/trace_uprobe.c:1316 [inline]
 trace_uprobe_register+0x5c9/0x880 kernel/trace/trace_uprobe.c:1468
 perf_trace_event_open kernel/trace/trace_event_perf.c:186 [inline]
 perf_trace_event_init kernel/trace/trace_event_perf.c:208 [inline]
 perf_trace_event_init+0x17a/0xa20 kernel/trace/trace_event_perf.c:195
 perf_uprobe_init+0x16f/0x210 kernel/trace/trace_event_perf.c:336
 perf_uprobe_event_init+0xff/0x1c0 kernel/events/core.c:9875
 perf_try_init_event+0x12a/0x560 kernel/events/core.c:11192
 perf_init_event kernel/events/core.c:11256 [inline]
 perf_event_alloc.part.0+0xf16/0x3b10 kernel/events/core.c:11547
 perf_event_alloc kernel/events/core.c:11970 [inline]
 __do_sys_perf_event_open+0x4ae/0x3130 kernel/events/core.c:12068
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665e9
Code: Unable to access opcode bytes at RIP 0x4665bf.
RSP: 002b:00007ff2ee0dc188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000300
RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 000000000056bf80
R13: 00007fff77f36adf R14: 00007ff2ee0dc300 R15: 0000000000022000
Modules linked in:
---[ end trace c2697e16751a95e1 ]---
RIP: 0010:ClearPageError include/linux/page-flags.h:333 [inline]
RIP: 0010:do_read_cache_page+0x116c/0x13c0 mm/filemap.c:3420
Code: 6c 24 ff e9 61 fd ff ff e8 e1 fd da ff 48 83 eb 01 e9 dd fd ff ff e8 d3 fd da ff 48 c7 c6 a0 ce 94 89 48 89 ef e8 64 c3 0d 00 <0f> 0b e8 bd fd da ff 48 83 eb 01 e9 8d fe ff ff e8 af fd da ff 48
RSP: 0018:ffffc90002def988 EFLAGS: 00010246
RAX: 0000000000040000 RBX: 0000000000000001 RCX: ffffc9000df65000
RDX: 0000000000040000 RSI: ffffffff819aab3c RDI: 0000000000000003
RBP: ffffea0001018340 R08: 0000000000000024 R09: 00000000ffffffff
R10: ffffffff88ea697e R11: 00000000ffffffff R12: ffffea0001018348
R13: 0000000000000001 R14: ffff888036e87308 R15: 000000000000000d
FS:  00007ff2ee0dc700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1fc3cb7718 CR3: 00000000814f5000 CR4: 0000000000350ee0
----------------
Code disassembly (best guess):
   0:	6c                   	insb   (%dx),%es:(%rdi)
   1:	24 ff                	and    $0xff,%al
   3:	e9 61 fd ff ff       	jmpq   0xfffffd69
   8:	e8 e1 fd da ff       	callq  0xffdafdee
   d:	48 83 eb 01          	sub    $0x1,%rbx
  11:	e9 dd fd ff ff       	jmpq   0xfffffdf3
  16:	e8 d3 fd da ff       	callq  0xffdafdee
  1b:	48 c7 c6 a0 ce 94 89 	mov    $0xffffffff8994cea0,%rsi
  22:	48 89 ef             	mov    %rbp,%rdi
  25:	e8 64 c3 0d 00       	callq  0xdc38e
  2a:	0f 0b                	ud2     <-- trapping instruction
  2c:	e8 bd fd da ff       	callq  0xffdafdee
  31:	48 83 eb 01          	sub    $0x1,%rbx
  35:	e9 8d fe ff ff       	jmpq   0xfffffec7
  3a:	e8 af fd da ff       	callq  0xffdafdee
  3f:	48                   	rex.W