Hello, syzbot found the following issue on: HEAD commit: a901a3568fd2 Merge tag 'iomap-6.5-merge-1' of git://git.ke.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=179c302ca80000 kernel config: https://syzkaller.appspot.com/x/.config?x=f5e1158c5b2f83bb dashboard link: https://syzkaller.appspot.com/bug?extid=70b97abe3e253d1c3f8e compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1511d490a80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=130e5cfb280000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/07a995e5618a/disk-a901a356.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/ad2efb29f1e0/vmlinux-a901a356.xz kernel image: https://storage.googleapis.com/syzbot-assets/74fa7ac85d25/bzImage-a901a356.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/77e05f49bdce/mount_0.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+70b97abe3e253d1c3f8e@xxxxxxxxxxxxxxxxxxxxxxxxx start_code 7f8413e4b000 end_code 7f8413ee5b31 start_data 7f8413f13e50 end_data 7f8413f193b0 start_brk 5555561bf000 brk 5555561e1000 start_stack 7fffb37e2480 arg_start 7fffb37e2efb arg_end 7fffb37e2f14 env_start 7fffb37e2f14 env_end 7fffb37e2fdf binfmt ffffffff8cba2c20 flags 7fd ioctx_table 0000000000000000 owner ffff88802a200000 exe_file ffff88802a0d0a00 notifier_subscriptions 0000000000000000 numa_next_scan 4294941906 numa_scan_offset 0 numa_scan_seq 0 tlb_flush_pending 0 def_flags: 0x0() ------------[ cut here ]------------ kernel BUG at mm/mmap.c:340! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 6821 Comm: syz-executor191 Not tainted 6.4.0-syzkaller-10173-ga901a3568fd2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 RIP: 0010:validate_mm+0x3a0/0x470 mm/mmap.c:340 Code: 24 48 e8 93 39 fb ff e9 fc fd ff ff e8 09 e1 be ff 44 89 fa 89 ee 48 c7 c7 a0 d3 78 8a e8 88 89 a2 ff 48 89 df e8 a0 17 fb ff <0f> 0b e8 e9 e0 be ff 48 8b 7c 24 18 e8 8f 17 fb ff c6 05 34 fa cd RSP: 0018:ffffc9000c297aa0 EFLAGS: 00010282 RAX: 000000000000032f RBX: ffff888078fa0000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8169097c RDI: 0000000000000005 RBP: 0000000000000013 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000001 R12: 00007fffb37f9000 R13: 0000000000000000 R14: 00007fffb37fafff R15: 0000000000000012 FS: 00007f8413e41700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f840b9ff718 CR3: 000000001bb00000 CR4: 0000000000350ee0 Call Trace: <TASK> do_vmi_align_munmap+0x1199/0x1680 mm/mmap.c:2561 do_vmi_munmap+0x266/0x430 mm/mmap.c:2619 __vm_munmap+0x137/0x380 mm/mmap.c:2899 __do_sys_munmap mm/mmap.c:2916 [inline] __se_sys_munmap mm/mmap.c:2913 [inline] __x64_sys_munmap+0x62/0x80 mm/mmap.c:2913 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f8413e94f97 Code: 00 00 00 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb 85 66 2e 0f 1f 84 00 00 00 00 00 90 b8 0b 00 00 00 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:00007f8413e41168 EFLAGS: 00000246 ORIG_RAX: 000000000000000b RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8413e94f97 RDX: 0000000000010000 RSI: 0000000000010000 RDI: 00007f840ba00000 RBP: 00007f840ba00000 R08: 0000000000000000 R09: 000000000000028b R10: 0000000000010000 R11: 0000000000000246 R12: 00007f8413e416b8 R13: 00007f8413e41180 R14: 00007f8413e411c0 R15: 00007f8413f196e8 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:validate_mm+0x3a0/0x470 mm/mmap.c:340 Code: 24 48 e8 93 39 fb ff e9 fc fd ff ff e8 09 e1 be ff 44 89 fa 89 ee 48 c7 c7 a0 d3 78 8a e8 88 89 a2 ff 48 89 df e8 a0 17 fb ff <0f> 0b e8 e9 e0 be ff 48 8b 7c 24 18 e8 8f 17 fb ff c6 05 34 fa cd RSP: 0018:ffffc9000c297aa0 EFLAGS: 00010282 RAX: 000000000000032f RBX: ffff888078fa0000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8169097c RDI: 0000000000000005 RBP: 0000000000000013 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000001 R12: 00007fffb37f9000 R13: 0000000000000000 R14: 00007fffb37fafff R15: 0000000000000012 FS: 00007f8413e41700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fffb37e2238 CR3: 000000001bb00000 CR4: 0000000000350ee0 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the bug is already fixed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to change bug's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the bug is a duplicate of another bug, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup
