EXT4-fs (loop0): 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: 440 Comm: syz.0.15 Not tainted 6.1.134-syzkaller-1169260-g646380b087a5 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 RIP: 0010:ext4_write_inline_data+0x3ab/0x3b0 fs/ext4/inline.c:236 Code: 07 fe c1 38 c1 0f 8c 2c ff ff ff 48 89 df 49 89 d7 e8 c9 aa cd ff 4c 89 fa e9 19 ff ff ff e8 dc 58 89 ff 0f 0b e8 d5 58 89 ff <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 b8 a4 70 30 e0 55 RSP: 0018:ffffc900007cf740 EFLAGS: 00010293 RAX: ffffffff81e68dfb RBX: 0000010000000006 RCX: ffff88811ac1d100 RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000010000000006 RBP: ffffc900007cf790 R08: dffffc0000000000 R09: ffffed102379ec4b R10: ffffed102379ec4b R11: 1ffff1102379ec4a R12: ffff8881005c5ce8 R13: ffffc900007cf820 R14: 0000010000000005 R15: 000000000000003c FS: 00007f200d4476c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2ee5ffff CR3: 0000000124844000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_write_inline_data_end+0x343/0xa90 fs/ext4/inline.c:777 ext4_da_write_end+0x1ce/0x8c0 fs/ext4/inode.c:3092 generic_perform_write+0x3a2/0x6d0 mm/filemap.c:3892 ext4_buffered_write_iter+0x36f/0x660 fs/ext4/file.c:285 ext4_file_write_iter+0x18f/0x13d0 fs/ext4/file.c:-1 call_write_iter include/linux/fs.h:2274 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x5db/0xca0 fs/read_write.c:584 ksys_pwrite64 fs/read_write.c:699 [inline] __do_sys_pwrite64 fs/read_write.c:709 [inline] __se_sys_pwrite64 fs/read_write.c:706 [inline] __x64_sys_pwrite64+0x191/0x220 fs/read_write.c:706 x64_sys_call+0x36/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:19 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: 0033:0x7f200c57def9 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:00007f200d447038 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007f200c735f80 RCX: 00007f200c57def9 RDX: 0000000000000001 RSI: 0000000020000300 RDI: 0000000000000004 RBP: 00007f200c5f09f6 R08: 0000000000000000 R09: 0000000000000000 R10: 0000010000000005 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f200c735f80 R15: 00007ffd9fa028f8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ext4_write_inline_data+0x3ab/0x3b0 fs/ext4/inline.c:236 Code: 07 fe c1 38 c1 0f 8c 2c ff ff ff 48 89 df 49 89 d7 e8 c9 aa cd ff 4c 89 fa e9 19 ff ff ff e8 dc 58 89 ff 0f 0b e8 d5 58 89 ff <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 b8 a4 70 30 e0 55 RSP: 0018:ffffc900007cf740 EFLAGS: 00010293 RAX: ffffffff81e68dfb RBX: 0000010000000006 RCX: ffff88811ac1d100 RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000010000000006 RBP: ffffc900007cf790 R08: dffffc0000000000 R09: ffffed102379ec4b R10: ffffed102379ec4b R11: 1ffff1102379ec4a R12: ffff8881005c5ce8 R13: ffffc900007cf820 R14: 0000010000000005 R15: 000000000000003c FS: 00007f200d4476c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2ee5ffff CR3: 0000000124844000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400