------------[ cut here ]------------ WARNING: CPU: 1 PID: 15252 at fs/ext4/file.c:611 ext4_file_write_iter+0xe2a/0x19b0 Modules linked in: CPU: 1 PID: 15252 Comm: syz-executor.5 Not tainted 6.4.0-next-20230706 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:ext4_file_write_iter+0xe2a/0x19b0 Code: 02 84 c0 74 08 3c 03 0f 8e 81 0b 00 00 41 8b 5f 20 31 ff 83 e3 08 89 de e8 b3 bc 9c ff 85 db 0f 85 ef fc ff ff e8 86 c0 9c ff <0f> 0b e9 e3 fc ff ff e8 7a c0 9c ff 48 8b 54 24 70 48 b8 00 00 00 RSP: 0018:ffff88804724fc28 EFLAGS: 00010212 RAX: 0000000000002c8a RBX: 0000000000000000 RCX: ffffc90008c11000 RDX: 0000000000040000 RSI: ffffffff81af7e4a RDI: 0000000000000005 RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: fffffffffffffff5 R13: 0000000000000140 R14: ffff88804724fdb0 R15: ffff88804724fe00 FS: 00007f494c4d3700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f12e000 CR3: 00000000431e4000 CR4: 0000000000350ee0 Call Trace: vfs_write+0x97d/0xda0 ksys_write+0x122/0x250 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x6e/0xd8 RIP: 0033:0x7f494ef7eb19 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f494c4d3188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f494f092020 RCX: 00007f494ef7eb19 RDX: 0000000000140000 RSI: 0000000020000200 RDI: 0000000000000008 RBP: 00007f494efd8f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe02b0992f R14: 00007f494c4d3300 R15: 0000000000022000 irq event stamp: 1847 hardirqs last enabled at (1857): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (1868): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (1532): [] irq_exit_rcu+0x93/0xc0 softirqs last disabled at (1519): [] irq_exit_rcu+0x93/0xc0 ---[ end trace 0000000000000000 ]---