loop0: detected capacity change from 0 to 2048 EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. loop0: detected capacity change from 2048 to 64 ------------[ cut here ]------------ kernel BUG at fs/ext4/inline.c:357! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5342 Comm: syz.0.0 Not tainted 6.16.0-rc7-syzkaller-00034-g25fae0b93d1d #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:ext4_update_inline_data+0x4e8/0x4f0 fs/ext4/inline.c:357 Code: ff ff ff 48 8b 4c 24 18 80 e1 07 fe c1 38 c1 0f 8c 32 ff ff ff 48 8b 7c 24 18 e8 43 39 b1 ff e9 23 ff ff ff e8 09 b8 4d ff 90 <0f> 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000d3bf3c0 EFLAGS: 00010287 RAX: ffffffff827278f7 RBX: ffff888052c115b8 RCX: 0000000000100000 RDX: ffffc9000e14a000 RSI: 0000000000000964 RDI: 0000000000000965 RBP: ffffc9000d3bf510 R08: ffff8880003c4880 R09: 0000000000000002 R10: 00000000ffffffc3 R11: 0000000000000002 R12: 00000000ffffffc3 R13: 0000000000000e7c R14: ffffc9000d3bf420 R15: ffffc9000d3bf448 FS: 00007fd68db196c0(0000) GS:ffff88808d218000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbfe73af000 CR3: 00000000436d2000 CR4: 0000000000352ef0 Call Trace: ext4_prepare_inline_data+0x141/0x1d0 fs/ext4/inline.c:415 ext4_generic_write_inline_data+0x207/0xc90 fs/ext4/inline.c:692 ext4_da_write_begin+0x525/0xd20 fs/ext4/inode.c:3064 generic_perform_write+0x2c7/0x910 mm/filemap.c:4112 ext4_buffered_write_iter+0xce/0x3a0 fs/ext4/file.c:299 ext4_file_write_iter+0x298/0x1bc0 fs/ext4/file.c:-1 do_iter_readv_writev+0x56b/0x7f0 fs/read_write.c:-1 vfs_writev+0x31a/0x960 fs/read_write.c:1057 do_pwritev fs/read_write.c:1153 [inline] __do_sys_pwritev2 fs/read_write.c:1211 [inline] __se_sys_pwritev2+0x179/0x290 fs/read_write.c:1202 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd68cd8e9a9 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:00007fd68db19038 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 RAX: ffffffffffffffda RBX: 00007fd68cfb5fa0 RCX: 00007fd68cd8e9a9 RDX: 0000000000000001 RSI: 00002000000001c0 RDI: 0000000000000009 RBP: 00007fd68ce10d69 R08: 0000000000000000 R09: 0000000000000002 R10: 0000000000000e7b R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fd68cfb5fa0 R15: 00007ffd9f0d6f58 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ext4_update_inline_data+0x4e8/0x4f0 fs/ext4/inline.c:357 Code: ff ff ff 48 8b 4c 24 18 80 e1 07 fe c1 38 c1 0f 8c 32 ff ff ff 48 8b 7c 24 18 e8 43 39 b1 ff e9 23 ff ff ff e8 09 b8 4d ff 90 <0f> 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000d3bf3c0 EFLAGS: 00010287 RAX: ffffffff827278f7 RBX: ffff888052c115b8 RCX: 0000000000100000 RDX: ffffc9000e14a000 RSI: 0000000000000964 RDI: 0000000000000965 RBP: ffffc9000d3bf510 R08: ffff8880003c4880 R09: 0000000000000002 R10: 00000000ffffffc3 R11: 0000000000000002 R12: 00000000ffffffc3 R13: 0000000000000e7c R14: ffffc9000d3bf420 R15: ffffc9000d3bf448 FS: 00007fd68db196c0(0000) GS:ffff88808d218000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd6891f4fc8 CR3: 00000000436d2000 CR4: 0000000000352ef0