Hello, syzbot found the following issue on: HEAD commit: 1874a42a7d74 Merge tag 'firewire-fixes-6.4-rc4' of git://g.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=11001fcd280000 kernel config: https://syzkaller.appspot.com/x/.config?x=162cf2103e4a7453 dashboard link: https://syzkaller.appspot.com/bug?extid=0c073c3b52d621befda9 compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/367f7f99ae3f/disk-1874a42a.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/9366557db826/vmlinux-1874a42a.xz kernel image: https://storage.googleapis.com/syzbot-assets/36e357c7b00e/bzImage-1874a42a.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+0c073c3b52d621befda9@xxxxxxxxxxxxxxxxxxxxxxxxx tlb_batch_pages_flush mm/mmu_gather.c:97 [inline] tlb_flush_mmu_free mm/mmu_gather.c:292 [inline] tlb_flush_mmu+0x100/0x210 mm/mmu_gather.c:299 tlb_finish_mmu+0xd4/0x1f0 mm/mmu_gather.c:391 exit_mmap+0x3da/0xaf0 mm/mmap.c:3123 __mmput+0x115/0x3c0 kernel/fork.c:1351 exit_mm+0x227/0x310 kernel/exit.c:564 do_exit+0x612/0x2290 kernel/exit.c:858 do_group_exit+0x206/0x2c0 kernel/exit.c:1021 get_signal+0x1701/0x17e0 kernel/signal.c:2874 arch_do_signal_or_restart+0x91/0x670 arch/x86/kernel/signal.c:306 exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:168 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline] syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:297 do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86 ------------[ cut here ]------------ kernel BUG at mm/truncate.c:423! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 10158 Comm: syz-executor.3 Not tainted 6.4.0-rc4-syzkaller-00099-g1874a42a7d74 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 RIP: 0010:truncate_inode_pages_range+0xf82/0x11b0 mm/truncate.c:423 Code: 00 00 48 c7 c7 70 1b fd 8c 48 89 da e8 d7 a0 ab 02 e9 40 f7 ff ff e8 6d 38 ca ff 4c 89 e7 48 c7 c6 c0 08 f3 8a e8 7e ec 09 00 <0f> 0b e8 27 f9 ed 08 e8 52 38 ca ff 4c 89 ff 48 c7 c6 00 08 f3 8a RSP: 0018:ffffc90015d97600 EFLAGS: 00010246 RAX: 2457790b5b1cdd00 RBX: 0000000000000005 RCX: ffffc90015d97403 RDX: 0000000000000001 RSI: ffffffff8aea9fa0 RDI: ffffffff8b384540 RBP: ffffc90015d97880 R08: dffffc0000000000 R09: fffffbfff1cab94e R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea0000a6dfc0 R13: ffffc90015d976f0 R14: ffffc90015d97788 R15: 0000000000000006 FS: 00007f5529bfe700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1849dc9000 CR3: 000000001e9ca000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> kill_bdev block/bdev.c:76 [inline] set_blocksize+0x318/0x390 block/bdev.c:152 sb_set_blocksize+0x48/0x100 block/bdev.c:161 udf_load_vrs+0xe8/0x1100 fs/udf/super.c:1947 udf_fill_super+0x95d/0x23a0 fs/udf/super.c:2151 mount_bdev+0x2d0/0x3f0 fs/super.c:1380 legacy_get_tree+0xef/0x190 fs/fs_context.c:610 vfs_get_tree+0x8c/0x270 fs/super.c:1510 do_new_mount+0x28f/0xae0 fs/namespace.c:3039 do_mount fs/namespace.c:3382 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3568 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: 0033:0x7f552b08d69a Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 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:00007f5529bfdf88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000c10 RCX: 00007f552b08d69a RDX: 0000000020000180 RSI: 0000000020000000 RDI: 00007f5529bfdfe0 RBP: 00007f5529bfe020 R08: 00007f5529bfe020 R09: 00000000020180c8 R10: 00000000020180c8 R11: 0000000000000202 R12: 0000000020000180 R13: 0000000020000000 R14: 00007f5529bfdfe0 R15: 0000000020002440 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:truncate_inode_pages_range+0xf82/0x11b0 mm/truncate.c:423 Code: 00 00 48 c7 c7 70 1b fd 8c 48 89 da e8 d7 a0 ab 02 e9 40 f7 ff ff e8 6d 38 ca ff 4c 89 e7 48 c7 c6 c0 08 f3 8a e8 7e ec 09 00 <0f> 0b e8 27 f9 ed 08 e8 52 38 ca ff 4c 89 ff 48 c7 c6 00 08 f3 8a RSP: 0018:ffffc90015d97600 EFLAGS: 00010246 RAX: 2457790b5b1cdd00 RBX: 0000000000000005 RCX: ffffc90015d97403 RDX: 0000000000000001 RSI: ffffffff8aea9fa0 RDI: ffffffff8b384540 RBP: ffffc90015d97880 R08: dffffc0000000000 R09: fffffbfff1cab94e R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea0000a6dfc0 R13: ffffc90015d976f0 R14: ffffc90015d97788 R15: 0000000000000006 FS: 00007f5529bfe700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f05f87ad988 CR3: 000000001e9ca000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 --- 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 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
