Hello, syzbot found the following issue on: HEAD commit: 6f2f486d Merge tag 'spi-fix-v5.9-rc8' of git://git.kernel... git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=13a89478500000 kernel config: https://syzkaller.appspot.com/x/.config?x=de7f697da23057c7 dashboard link: https://syzkaller.appspot.com/bug?extid=4faa160fa96bfba639f8 compiler: clang version 10.0.0 (https://github.com/llvm/llvm-project/ c2443155a0fb245c8f17f2c1c72b6ea391e86e81) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=113a0a8b900000 Bisection is inconclusive: the issue happens on the oldest tested release. bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=119be2ab900000 final oops: https://syzkaller.appspot.com/x/report.txt?x=139be2ab900000 console output: https://syzkaller.appspot.com/x/log.txt?x=159be2ab900000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+4faa160fa96bfba639f8@xxxxxxxxxxxxxxxxxxxxxxxxx ------------[ cut here ]------------ kernel BUG at fs/ext4/inline.c:751! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 23920 Comm: syz-executor.3 Not tainted 5.9.0-rc8-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:ext4_write_inline_data_end+0x847/0x880 fs/ext4/ext4.h:3341 Code: 38 c1 0f 8c 06 fc ff ff 4c 89 e7 e8 d3 ac b2 ff e9 f9 fb ff ff 48 ff cd 48 89 eb e9 69 fe ff ff e8 4e a5 49 06 e8 e9 c7 72 ff <0f> 0b e8 e2 c7 72 ff 0f 0b e8 db c7 72 ff 0f 0b e8 d4 c7 72 ff 0f RSP: 0018:ffffc90005077940 EFLAGS: 00010293 RAX: ffffffff82023607 RBX: 0000000c00000000 RCX: ffff8880a6718140 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff82022f07 R09: ffffed100ead147b R10: ffffed100ead147b R11: 0000000000000000 R12: 0000000000000000 R13: ffff88807568a5b8 R14: 0000000000000001 R15: dffffc0000000000 FS: 00007faa624ff700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6db9e8bdb8 CR3: 000000009d643000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_write_end+0x225/0xef0 fs/ext4/inode.c:1274 generic_perform_write+0x344/0x4e0 mm/filemap.c:3516 ext4_buffered_write_iter+0x44d/0x5d0 fs/ext4/file.c:269 ext4_file_write_iter+0x891/0x19b0 include/linux/fs.h:784 do_iter_readv_writev+0x4f9/0x6c0 include/linux/fs.h:1876 do_iter_write+0x164/0x610 fs/read_write.c:1026 vfs_writev fs/read_write.c:1099 [inline] do_pwritev+0x234/0x430 fs/read_write.c:1196 do_syscall_64+0x31/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45de59 Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007faa624fec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000128 RAX: ffffffffffffffda RBX: 0000000000026400 RCX: 000000000045de59 RDX: 0000000000000001 RSI: 00000000200014c0 RDI: 0000000000000006 RBP: 000000000118c018 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bfd4 R13: 00007ffc849922ef R14: 00007faa624ff9c0 R15: 000000000118bfd4 Modules linked in: ---[ end trace 636f601b36ee58e9 ]--- RIP: 0010:ext4_write_inline_data_end+0x847/0x880 fs/ext4/ext4.h:3341 Code: 38 c1 0f 8c 06 fc ff ff 4c 89 e7 e8 d3 ac b2 ff e9 f9 fb ff ff 48 ff cd 48 89 eb e9 69 fe ff ff e8 4e a5 49 06 e8 e9 c7 72 ff <0f> 0b e8 e2 c7 72 ff 0f 0b e8 db c7 72 ff 0f 0b e8 d4 c7 72 ff 0f RSP: 0018:ffffc90005077940 EFLAGS: 00010293 RAX: ffffffff82023607 RBX: 0000000c00000000 RCX: ffff8880a6718140 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff82022f07 R09: ffffed100ead147b R10: ffffed100ead147b R11: 0000000000000000 R12: 0000000000000000 R13: ffff88807568a5b8 R14: 0000000000000001 R15: dffffc0000000000 FS: 00007faa624ff700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000118c000 CR3: 000000009d643000 CR4: 00000000001506e0 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. For information about bisection process see: https://goo.gl/tpsmEJ#bisection syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches
