invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 4509 Comm: syz.2.41 Not tainted 6.1.141-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:asm_sysvec_reschedule_ipi+0x15/0x20 arch/x86/include/asm/idtentry.h:696 Code: 48 89 c4 48 89 e7 e8 9a 5a ef ff e9 95 04 00 00 90 90 90 90 90 0f 01 ca fc 6a ff e8 95 03 00 00 48 89 c4 48 89 e7 e8 9a 7a ef e9 75 04 00 00 90 90 90 90 90 0f 01 ca fc 6a ff e8 75 03 00 00 RSP: 0018:ffffc90004eee648 EFLAGS: 00010086 RAX: d9b4a2366af8a400 RBX: 0000000000000000 RCX: d9b4a2366af8a400 RDX: dffffc0000000000 RSI: ffffffff8a6bffe0 RDI: ffffffff8abf1360 RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff211706b R10: fffffbfff211706b R11: 1ffffffff211706a R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007fa1128976c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000020000001f000 CR3: 0000000077a1a000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: RIP: 0010:readahead_folio+0x2f4/0x5f0 include/linux/pagemap.h:1324 Code: ff 89 ee e8 4e c1 d1 ff 84 db 74 19 e8 e5 be d1 ff 4c 89 f7 e8 ad 2f 00 00 eb 0f e8 d6 be d1 ff 45 31 f6 eb 05 e8 cc be d1 ff <4c> 89 f0 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 89 d9 80 e1 RSP: 0018:ffffc90004eee6f8 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffffc90004eeeb04 RCX: 0000000000080000 RDX: ffffc9000f165000 RSI: 0000000000004a0c RDI: 0000000000004a0d RBP: dffffc0000000000 R08: dffffc0000000000 R09: fffff94000290ba9 R10: fffff94000290ba9 R11: 1ffffd4000290ba8 R12: ffffc90004eeeaf8 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001 read_pages+0x17b/0x840 mm/readahead.c:167 page_cache_ra_unbounded+0x690/0x770 mm/readahead.c:270 page_cache_sync_readahead include/linux/pagemap.h:1248 [inline] filemap_get_pages mm/filemap.c:2665 [inline] filemap_read+0x5ff/0x2f80 mm/filemap.c:2759 generic_file_read_iter+0x115/0x670 mm/filemap.c:2914 __kernel_read+0x2dc/0x6b0 fs/read_write.c:428 integrity_kernel_read+0x86/0xd0 security/integrity/iint.c:228 ima_calc_file_hash_tfm security/integrity/ima/ima_crypto.c:485 [inline] ima_calc_file_shash security/integrity/ima/ima_crypto.c:516 [inline] ima_calc_file_hash+0x96b/0x17c0 security/integrity/ima/ima_crypto.c:573 ima_collect_measurement+0x4b3/0xac0 security/integrity/ima/ima_api.c:293 process_measurement+0xfae/0x1a10 security/integrity/ima/ima_main.c:351 ima_file_check+0xc2/0x100 security/integrity/ima/ima_main.c:534 do_open fs/namei.c:3628 [inline] path_openat+0x2679/0x2e70 fs/namei.c:3783 do_filp_open+0x1c1/0x3c0 fs/namei.c:3810 do_sys_openat2+0x142/0x490 fs/open.c:1318 do_sys_open fs/open.c:1334 [inline] __do_sys_openat fs/open.c:1350 [inline] __se_sys_openat fs/open.c:1345 [inline] __x64_sys_openat+0x135/0x160 fs/open.c:1345 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fa11198e929 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fa112897038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fa111bb6080 RCX: 00007fa11198e929 RDX: 0000000000143042 RSI: 00002000000000c0 RDI: ffffffffffffff9c RBP: 00007fa111a10b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fa111bb6080 R15: 00007ffc729ef398 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:asm_sysvec_reschedule_ipi+0x15/0x20 arch/x86/include/asm/idtentry.h:696 Code: 48 89 c4 48 89 e7 e8 9a 5a ef ff e9 95 04 00 00 90 90 90 90 90 0f 01 ca fc 6a ff e8 95 03 00 00 48 89 c4 48 89 e7 e8 9a 7a ef e9 75 04 00 00 90 90 90 90 90 0f 01 ca fc 6a ff e8 75 03 00 00 RSP: 0018:ffffc90004eee648 EFLAGS: 00010086 RAX: d9b4a2366af8a400 RBX: 0000000000000000 RCX: d9b4a2366af8a400 RDX: dffffc0000000000 RSI: ffffffff8a6bffe0 RDI: ffffffff8abf1360 RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff211706b R10: fffffbfff211706b R11: 1ffffffff211706a R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007fa1128976c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000020000001f000 CR3: 0000000077a1a000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: ff 89 ee e8 4e c1 decl -0x3eb11712(%rcx) 6: d1 ff sar %edi 8: 84 db test %bl,%bl a: 74 19 je 0x25 c: e8 e5 be d1 ff call 0xffd1bef6 11: 4c 89 f7 mov %r14,%rdi 14: e8 ad 2f 00 00 call 0x2fc6 19: eb 0f jmp 0x2a 1b: e8 d6 be d1 ff call 0xffd1bef6 20: 45 31 f6 xor %r14d,%r14d 23: eb 05 jmp 0x2a 25: e8 cc be d1 ff call 0xffd1bef6 * 2a: 4c 89 f0 mov %r14,%rax <-- trapping instruction 2d: 48 83 c4 10 add $0x10,%rsp 31: 5b pop %rbx 32: 41 5c pop %r12 34: 41 5d pop %r13 36: 41 5e pop %r14 38: 41 5f pop %r15 3a: 5d pop %rbp 3b: c3 ret 3c: 89 d9 mov %ebx,%ecx 3e: 80 .byte 0x80 3f: e1 .byte 0xe1