invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 8454 Comm: syz-executor.5 Not tainted 6.4.0-rc2-syzkaller-gf1fcbaa18b28 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 RIP: 0010:asm_sysvec_apic_timer_interrupt+0x19/0x20 arch/x86/include/asm/idtentry.h:645 Code: 48 89 c4 48 89 e7 e8 d6 cc ee ff e9 b1 04 00 00 90 f3 0f 1e fa 0f 01 ca fc 6a ff e8 b1 03 00 00 48 89 c4 48 89 e7 e8 46 cb ee e9 91 04 00 00 90 f3 0f 1e fa 0f 01 ca fc 6a ff e8 91 03 00 00 RSP: 0018:ffffc9000b167188 EFLAGS: 00010082 RAX: c56f464901d6b800 RBX: 0000000000000000 RCX: ffffffff816b81fa RDX: dffffc0000000000 RSI: ffffffff8aea8d20 RDI: ffffffff8b384340 RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff2065072 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007ff7a0275700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe58ad15829 CR3: 000000006d0aa000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: RIP: 0010:__readahead_folio include/linux/pagemap.h:1242 [inline] RIP: 0010:readahead_folio+0x79/0x620 include/linux/pagemap.h:1283 Code: 0f b6 04 2b 84 c0 0f 85 04 03 00 00 45 8b 34 24 44 89 f7 44 89 ee e8 76 26 cc ff 45 39 ee 0f 82 a8 03 00 00 44 89 f5 44 29 ed <48> ba 00 00 00 00 00 fc ff df 0f b6 04 13 84 c0 0f 85 ee 02 00 00 RSP: 0018:ffffc9000b167238 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 1ffff9200162cecc RCX: 1ffff9200162cecc RDX: ffff88801e840000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff81bf57aa R09: fffff9400032eea9 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc9000b167660 R13: 0000000000000000 R14: 0000000000000000 R15: ffffc9000b167640 read_pages+0x18b/0x830 mm/readahead.c:167 page_cache_ra_unbounded+0x697/0x7c0 mm/readahead.c:270 page_cache_sync_readahead include/linux/pagemap.h:1211 [inline] filemap_get_pages+0x49c/0x20c0 mm/filemap.c:2595 filemap_read+0x45a/0x1170 mm/filemap.c:2690 call_read_iter include/linux/fs.h:1862 [inline] generic_file_splice_read+0x240/0x640 fs/splice.c:419 do_splice_to fs/splice.c:902 [inline] splice_direct_to_actor+0x40c/0xbd0 fs/splice.c:973 do_splice_direct+0x283/0x3d0 fs/splice.c:1082 do_sendfile+0x620/0xff0 fs/read_write.c:1254 __do_sys_sendfile64 fs/read_write.c:1322 [inline] __se_sys_sendfile64+0x17c/0x1e0 fs/read_write.c:1308 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7ff79f48c0c9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ff7a0275168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007ff79f5abf80 RCX: 00007ff79f48c0c9 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 RBP: 00007ff79f4e7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 00008400fffffffa R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffce9202ddf R14: 00007ff7a0275300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:asm_sysvec_apic_timer_interrupt+0x19/0x20 arch/x86/include/asm/idtentry.h:645 Code: 48 89 c4 48 89 e7 e8 d6 cc ee ff e9 b1 04 00 00 90 f3 0f 1e fa 0f 01 ca fc 6a ff e8 b1 03 00 00 48 89 c4 48 89 e7 e8 46 cb ee e9 91 04 00 00 90 f3 0f 1e fa 0f 01 ca fc 6a ff e8 91 03 00 00 RSP: 0018:ffffc9000b167188 EFLAGS: 00010082 RAX: c56f464901d6b800 RBX: 0000000000000000 RCX: ffffffff816b81fa RDX: dffffc0000000000 RSI: ffffffff8aea8d20 RDI: ffffffff8b384340 RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff2065072 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007ff7a0275700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe58ad15829 CR3: 000000006d0aa000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 0f b6 04 2b movzbl (%rbx,%rbp,1),%eax 4: 84 c0 test %al,%al 6: 0f 85 04 03 00 00 jne 0x310 c: 45 8b 34 24 mov (%r12),%r14d 10: 44 89 f7 mov %r14d,%edi 13: 44 89 ee mov %r13d,%esi 16: e8 76 26 cc ff callq 0xffcc2691 1b: 45 39 ee cmp %r13d,%r14d 1e: 0f 82 a8 03 00 00 jb 0x3cc 24: 44 89 f5 mov %r14d,%ebp 27: 44 29 ed sub %r13d,%ebp * 2a: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx <-- trapping instruction 31: fc ff df 34: 0f b6 04 13 movzbl (%rbx,%rdx,1),%eax 38: 84 c0 test %al,%al 3a: 0f 85 ee 02 00 00 jne 0x32e