loop3: detected capacity change from 0 to 4 erofs: (device loop3): mounted with root inode @ nid 36. ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4615 at fs/iomap/iter.c:35 iomap_iter_done fs/iomap/iter.c:35 [inline] WARNING: CPU: 0 PID: 4615 at fs/iomap/iter.c:35 iomap_iter+0xd74/0x1100 fs/iomap/iter.c:78 Modules linked in: CPU: 0 PID: 4615 Comm: syz-executor.3 Not tainted 6.0.0-rc6-syzkaller-00286-ga63f2e7cb110 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 RIP: 0010:iomap_iter_done fs/iomap/iter.c:35 [inline] RIP: 0010:iomap_iter+0xd74/0x1100 fs/iomap/iter.c:78 Code: e9 55 fd ff ff e8 9c ad d3 ff e9 fb f8 ff ff e8 92 ad d3 ff e9 34 f8 ff ff e8 48 0f 88 ff 0f 0b e9 f1 f9 ff ff e8 3c 0f 88 ff <0f> 0b e9 86 f7 ff ff e8 30 0f 88 ff 0f 0b e9 5e f7 ff ff e8 24 0f RSP: 0018:ffffc90003eafa88 EFLAGS: 00010216 RAX: 00000000000009b2 RBX: ffffc90003eafb98 RCX: ffffc900035d9000 RDX: 0000000000040000 RSI: ffffffff81f328b4 RDI: 0000000000000006 RBP: 000000001256edfd R08: 0000000000000006 R09: 000000001256edfd R10: 000000001b450000 R11: 000000000008c07c R12: 000000001256a8e2 R13: 000000001b450000 R14: ffffc90003eafbc0 R15: ffffc90003eafc08 FS: 00007f001235e700(0000) GS:ffff88802c800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f607b972b60 CR3: 000000000f323000 CR4: 0000000000150ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: iomap_fiemap+0x1e8/0x360 fs/iomap/fiemap.c:80 erofs_fiemap+0x6d/0xa0 fs/erofs/data.c:341 ioctl_fiemap fs/ioctl.c:219 [inline] do_vfs_ioctl+0x466/0x15c0 fs/ioctl.c:810 __do_sys_ioctl fs/ioctl.c:868 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x108/0x200 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f001128a669 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f001235e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f00113abf80 RCX: 00007f001128a669 RDX: 0000000020000180 RSI: 00000000c020660b RDI: 0000000000000005 RBP: 00007f00112e5560 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffb869587f R14: 00007f001235e300 R15: 0000000000022000