EXT4-fs (loop5): mounted filesystem without journal. Quota mode: none. ------------[ cut here ]------------ kernel BUG at fs/ext4/inline.c:236! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 25493 Comm: syz.5.4964 Not tainted 6.1.139-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 RIP: 0010:ext4_write_inline_data+0x358/0x360 fs/ext4/inline.c:236 Code: 07 fe c1 38 c1 0f 8c 32 ff ff ff 48 89 df 49 89 d7 e8 9c 49 b0 ff 4c 89 fa e9 1f ff ff ff e8 4f d6 5e ff 0f 0b e8 48 d6 5e ff <0f> 0b 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 RSP: 0018:ffffc90003ba7708 EFLAGS: 00010287 RAX: ffffffff822200c8 RBX: 000000000000003c RCX: 0000000000080000 RDX: ffffc900161b5000 RSI: 000000000000025b RDI: 000000000000025c RBP: dffffc0000000000 R08: dffffc0000000000 R09: ffffed100b3c4071 R10: ffffed100b3c4071 R11: 1ffff1100b3c4070 R12: 0000002100000000 R13: ffffc90003ba77e0 R14: 00000020fffffffc R15: ffff888027e3c8e8 FS: 00007f469154c6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4bcc5aff98 CR3: 000000005d180000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 000000000000000e DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: ext4_write_inline_data_end+0x2f5/0xd40 fs/ext4/inline.c:777 generic_perform_write+0x372/0x560 mm/filemap.c:3857 ext4_buffered_write_iter+0x11a/0x3e0 fs/ext4/file.c:285 ext4_file_write_iter+0x1d6/0x16e0 fs/ext4/file.c:-1 do_iter_readv_writev fs/read_write.c:-1 [inline] do_iter_write+0x62d/0xaf0 fs/read_write.c:861 vfs_writev fs/read_write.c:934 [inline] do_pwritev+0x201/0x340 fs/read_write.c:1031 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: 0033:0x7f469078e969 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:00007f469154c038 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 RAX: ffffffffffffffda RBX: 00007f46909b5fa0 RCX: 00007f469078e969 RDX: 0000000000000001 RSI: 00002000000001c0 RDI: 0000000000000004 RBP: 00007f4690810ab1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000e7b R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f46909b5fa0 R15: 00007fffed363128 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ext4_write_inline_data+0x358/0x360 fs/ext4/inline.c:236 Code: 07 fe c1 38 c1 0f 8c 32 ff ff ff 48 89 df 49 89 d7 e8 9c 49 b0 ff 4c 89 fa e9 1f ff ff ff e8 4f d6 5e ff 0f 0b e8 48 d6 5e ff <0f> 0b 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 RSP: 0018:ffffc90003ba7708 EFLAGS: 00010287 RAX: ffffffff822200c8 RBX: 000000000000003c RCX: 0000000000080000 RDX: ffffc900161b5000 RSI: 000000000000025b RDI: 000000000000025c RBP: dffffc0000000000 R08: dffffc0000000000 R09: ffffed100b3c4071 R10: ffffed100b3c4071 R11: 1ffff1100b3c4070 R12: 0000002100000000 R13: ffffc90003ba77e0 R14: 00000020fffffffc R15: ffff888027e3c8e8 FS: 00007f469154c6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4bcc5aff98 CR3: 000000005d180000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 000000000000000e DR6: 00000000ffff0ff0 DR7: 0000000000000400