free_unref_page_prepare mm/page_alloc.c:3332 [inline] free_unref_page+0x19/0x690 mm/page_alloc.c:3411 release_pages+0x7e2/0x20b0 mm/swap.c:948 tlb_batch_pages_flush mm/mmu_gather.c:49 [inline] tlb_flush_mmu_free mm/mmu_gather.c:242 [inline] tlb_flush_mmu mm/mmu_gather.c:249 [inline] tlb_finish_mmu+0x165/0x8c0 mm/mmu_gather.c:340 unmap_region+0x27f/0x350 mm/mmap.c:2680 __do_munmap+0x627/0x11c0 mm/mmap.c:2911 do_munmap mm/mmap.c:2922 [inline] munmap_vma_range mm/mmap.c:604 [inline] mmap_region+0x85a/0x1760 mm/mmap.c:1753 do_mmap+0x86e/0x1180 mm/mmap.c:1584 vm_mmap_pgoff+0x1b7/0x290 mm/util.c:519 ksys_mmap_pgoff+0x4a8/0x620 mm/mmap.c:1635 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 ------------[ cut here ]------------ kernel BUG at include/linux/page-flags.h:333! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 3698 Comm: syz-executor.2 Not tainted 5.14.0-rc5-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 c1 2d db ff 48 83 eb 01 e9 dd fd ff ff e8 b3 2d db ff 48 c7 c6 00 9d 94 89 48 89 ef e8 84 c3 0d 00 <0f> 0b e8 9d 2d db ff 48 83 eb 01 e9 8d fe ff ff e8 8f 2d db ff 48 RSP: 0018:ffffc900020ff988 EFLAGS: 00010246 RAX: 0000000000040000 RBX: 0000000000000001 RCX: ffffc900106c8000 RDX: 0000000000040000 RSI: ffffffff8199af8c RDI: 0000000000000003 RBP: ffffea0002ac8340 R08: 0000000000000029 R09: 00000000ffffffff R10: ffffffff88ea76d5 R11: 00000000ffffffff R12: ffffea0002ac8348 R13: 0000000000000001 R14: ffff88803cf54560 R15: 000000000000000d FS: 00007f9a982a8700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5427fe0000 CR3: 000000006ce4f000 CR4: 00000000001506f0 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:00007f9a982a8188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000180 RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 000000000056bf80 R13: 00007ffc5251247f R14: 00007f9a982a8300 R15: 0000000000022000 Modules linked in: ---[ end trace bf74ea414736e246 ]--- 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 c1 2d db ff 48 83 eb 01 e9 dd fd ff ff e8 b3 2d db ff 48 c7 c6 00 9d 94 89 48 89 ef e8 84 c3 0d 00 <0f> 0b e8 9d 2d db ff 48 83 eb 01 e9 8d fe ff ff e8 8f 2d db ff 48 RSP: 0018:ffffc900020ff988 EFLAGS: 00010246 RAX: 0000000000040000 RBX: 0000000000000001 RCX: ffffc900106c8000 RDX: 0000000000040000 RSI: ffffffff8199af8c RDI: 0000000000000003 RBP: ffffea0002ac8340 R08: 0000000000000029 R09: 00000000ffffffff R10: ffffffff88ea76d5 R11: 00000000ffffffff R12: ffffea0002ac8348 R13: 0000000000000001 R14: ffff88803cf54560 R15: 000000000000000d FS: 00007f9a982a8700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055a9c9e8fb40 CR3: 000000006ce4f000 CR4: 00000000001506e0 ---------------- 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 c1 2d db ff callq 0xffdb2dce d: 48 83 eb 01 sub $0x1,%rbx 11: e9 dd fd ff ff jmpq 0xfffffdf3 16: e8 b3 2d db ff callq 0xffdb2dce 1b: 48 c7 c6 00 9d 94 89 mov $0xffffffff89949d00,%rsi 22: 48 89 ef mov %rbp,%rdi 25: e8 84 c3 0d 00 callq 0xdc3ae 2a: 0f 0b ud2 <-- trapping instruction 2c: e8 9d 2d db ff callq 0xffdb2dce 31: 48 83 eb 01 sub $0x1,%rbx 35: e9 8d fe ff ff jmpq 0xfffffec7 3a: e8 8f 2d db ff callq 0xffdb2dce 3f: 48 rex.W