RDX: 000000000156a396 RSI: 0000000020002a40 RDI: 0000000000000005 RBP: 00007f19459ff120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 000000000000000b R14: 00007f194679bf80 R15: 00007fff96b3eda8 ------------[ cut here ]------------ kernel BUG at fs/buffer.c:2717! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 15534 Comm: syz-executor.4 Not tainted 6.1.25-syzkaller-00044-g060ebb378d1c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 RIP: 0010:submit_bh_wbc+0x4e2/0x4f0 fs/buffer.c:2717 Code: 54 32 e7 ff e9 b0 fe ff ff e8 6a df a0 ff 0f 0b e8 63 df a0 ff 0f 0b e8 5c df a0 ff 0f 0b e8 55 df a0 ff 0f 0b e8 4e df a0 ff <0f> 0b e8 47 df a0 ff 0f 0b 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 RSP: 0018:ffffc90008d1f570 EFLAGS: 00010287 RAX: ffffffff81d40092 RBX: 0000000000000800 RCX: 0000000000040000 RDX: ffffc9000d615000 RSI: 0000000000010381 RDI: 0000000000010382 RBP: ffffc90008d1f5c0 R08: ffffffff81d3fd10 R09: ffffed102bee94a9 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000814 R13: 1ffff1102bee94a8 R14: ffff88815f74a540 R15: 0000000000000000 FS: 00007f19459ff6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020003000 CR3: 00000001340c1000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: submit_bh+0x1d/0x30 fs/buffer.c:2755 __ext4_read_bh fs/ext4/super.c:175 [inline] ext4_read_bh+0x1b2/0x250 fs/ext4/super.c:199 ext4_read_bh_lock+0x99/0xb0 fs/ext4/super.c:214 __ext4_block_zero_page_range fs/ext4/inode.c:3786 [inline] ext4_block_zero_page_range+0x5d2/0x9f0 fs/ext4/inode.c:3853 ext4_block_truncate_page fs/ext4/inode.c:3877 [inline] ext4_truncate+0x89b/0xfb0 fs/ext4/inode.c:4254 ext4_truncate_failed_write fs/ext4/truncate.h:22 [inline] ext4_write_end+0x6e8/0x910 fs/ext4/inode.c:1359 ext4_da_write_end+0x88/0x970 fs/ext4/inode.c:3071 generic_perform_write+0x3e6/0x5c0 mm/filemap.c:3777 ext4_buffered_write_iter+0x360/0x640 fs/ext4/file.c:285 ext4_file_write_iter+0x194/0x1cf0 call_write_iter include/linux/fs.h:2215 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x902/0xeb0 fs/read_write.c:584 ksys_write+0x199/0x2c0 fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __x64_sys_write+0x7b/0x90 fs/read_write.c:646 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f194667cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f19459ff0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f194679bf80 RCX: 00007f194667cae9 RDX: 000000000156a396 RSI: 0000000020002a40 RDI: 0000000000000005 RBP: 00007f19459ff120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 000000000000000b R14: 00007f194679bf80 R15: 00007fff96b3eda8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:submit_bh_wbc+0x4e2/0x4f0 fs/buffer.c:2717 Code: 54 32 e7 ff e9 b0 fe ff ff e8 6a df a0 ff 0f 0b e8 63 df a0 ff 0f 0b e8 5c df a0 ff 0f 0b e8 55 df a0 ff 0f 0b e8 4e df a0 ff <0f> 0b e8 47 df a0 ff 0f 0b 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 RSP: 0018:ffffc90008d1f570 EFLAGS: 00010287 RAX: ffffffff81d40092 RBX: 0000000000000800 RCX: 0000000000040000 RDX: ffffc9000d615000 RSI: 0000000000010381 RDI: 0000000000010382 RBP: ffffc90008d1f5c0 R08: ffffffff81d3fd10 R09: ffffed102bee94a9 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000814 R13: 1ffff1102bee94a8 R14: ffff88815f74a540 R15: 0000000000000000 FS: 00007f19459ff6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200000c0 CR3: 00000001340c1000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400