------------[ cut here ]------------ WARNING: CPU: 1 PID: 8562 at fs/iomap/apply.c:51 iomap_apply+0x715/0x930 fs/iomap/apply.c:50 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 8562 Comm: syz-executor.3 Not tainted 5.6.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x128/0x182 lib/dump_stack.c:118 panic+0x22a/0x4e3 kernel/panic.c:221 __warn.cold.10+0x25/0x26 kernel/panic.c:582 report_bug+0x1ad/0x270 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:174 [inline] do_error_trap+0x123/0x210 arch/x86/kernel/traps.c:267 do_invalid_op+0x31/0x40 arch/x86/kernel/traps.c:286 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027 RIP: 0010:iomap_apply+0x715/0x930 fs/iomap/apply.c:51 Code: 0d a8 62 41 7e 0f 85 0e fe ff ff e8 46 9d 3f ff e9 04 fe ff ff 0f 0b e9 d6 f9 ff ff 0f 0b 48 c7 c3 fb ff ff ff e9 27 fb ff ff <0f> 0b 48 c7 c3 fb ff ff ff e9 19 fb ff ff 0f 0b e9 72 fc ff ff e8 RSP: 0018:ffffc900045c7968 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000000000000c RDX: dffffc0000000000 RSI: 1ffff11010e4ec7b RDI: ffffc900045c79d8 RBP: ffffc900045c79c0 R08: 7fffffffffffffff R09: ffffed1015d2707c R10: ffffed1015d2707b R11: ffff8880ae9383db R12: 0000000000000000 R13: ffff888087276308 R14: ffffffff877ad260 R15: 7fffffffffffffff iomap_fiemap+0x104/0x1f0 fs/iomap/fiemap.c:88 _ext4_fiemap+0x2ed/0x3a0 fs/ext4/extents.c:4862 ovl_fiemap+0x11c/0x1d0 fs/overlayfs/inode.c:467 ioctl_fiemap fs/ioctl.c:226 [inline] do_vfs_ioctl+0x88f/0xf90 fs/ioctl.c:715 ksys_ioctl+0x63/0x110 fs/ioctl.c:761 __do_sys_ioctl fs/ioctl.c:772 [inline] __se_sys_ioctl fs/ioctl.c:770 [inline] __x64_sys_ioctl+0x6a/0xb0 fs/ioctl.c:770 do_syscall_64+0xc6/0x5e0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45c879 Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f6ad47e0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f6ad47e16d4 RCX: 000000000045c879 RDX: 00000000200003c0 RSI: 00000000c020660b RDI: 0000000000000004 RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000002f3 R14: 00000000004c54fc R15: 000000000076bf0c Kernel Offset: disabled Rebooting in 86400 seconds..